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char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = b;code = 98
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = b;code = 98
char = l;code = 108
char = o;code = 111
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = e;code = 101
char = d;code = 100
char = ,;code = 44
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char = d;code = 100
char = o;code = 111
char = p;code = 112
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = -;code = 45
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = b;code = 98
char = r;code = 114
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = g;code = 103
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = p;code = 112
char = e;code = 101
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = t;code = 116
char = a;code = 97
char = r;code = 114
char = g;code = 103
char = e;code = 101
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = -;code = 45
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = b;code = 98
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = c;code = 99
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = a;code = 97
char = .;code = 46
char = ;code = 32
char = N;code = 78
char = e;code = 101
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = i;code = 105
char = m;code = 109
char = a;code = 97
char = g;code = 103
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = w;code = 119
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = -;code = 45
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = p;code = 112
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = f;code = 102
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = 6;code = 54
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = a;code = 97
char = b;code = 98
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = .;code = 46
char = ;code = 32
char = H;code = 72
char = y;code = 121
char = p;code = 112
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = f;code = 102
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = i;code = 105
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = x;code = 120
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = s;code = 115
char = y;code = 121
char = c;code = 99
char = h;code = 104
char = o;code = 111
char = m;code = 109
char = o;code = 111
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = a;code = 97
char = s;code = 115
char = k;code = 107
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = h;code = 104
char = a;code = 97
char = p;code = 112
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = .;code = 46
char = ;code = 32
char = S;code = 83
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = b;code = 98
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = c;code = 99
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = a;code = 97
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = p;code = 112
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = t;code = 116
char = e;code = 101
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char = e;code = 101
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = a;code = 97
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char = c;code = 99
char = o;code = 111
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char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = b;code = 98
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = b;code = 98
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = c;code = 99
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = o;code = 111
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = g;code = 103
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = a;code = 97
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = .;code = 46
char = ;code = 32
char = D;code = 68
char = i;code = 105
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = y;code = 121
char = r;code = 114
char = i;code = 105
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = -;code = 45
char = c;code = 99
char = l;code = 108
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = c;code = 99
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = n;code = 110
char = e;code = 101
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = a;code = 97
char = g;code = 103
char = o;code = 111
char = n;code = 110
char = i;code = 105
char = s;code = 115
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = h;code = 104
char = i;code = 105
char = b;code = 98
char = i;code = 105
char = t;code = 116
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = -;code = 45
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = p;code = 112
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = v;code = 118
char = o;code = 111
char = l;code = 108
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = s;code = 115
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = a;code = 97
char = s;code = 115
char = m;code = 109
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = c;code = 99
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char = r;code = 114
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
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char = .;code = 46
char = ;code = 32
char = O;code = 79
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = s;code = 115
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = b;code = 98
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = c;code = 99
char = h;code = 104
char = e;code = 101
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char = i;code = 105
char = a;code = 97
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char = i;code = 105
char = n;code = 110
char = c;code = 99
char = l;code = 108
char = u;code = 117
char = d;code = 100
char = e;code = 101
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char = t;code = 116
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = b;code = 98
char = o;code = 111
char = g;code = 103
char = e;code = 101
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char = e;code = 101
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = s;code = 115
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = l;code = 108
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = b;code = 98
char = o;code = 111
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
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char = h;code = 104
char = a;code = 97
char = v;code = 118
char = e;code = 101
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char = p;code = 112
char = o;code = 111
char = t;code = 116
char = e;code = 101
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char = t;code = 116
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = i;code = 105
char = n;code = 110
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char = a;code = 97
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = v;code = 118
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ';code = 39
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = o;code = 111
char = x;code = 120
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = e;code = 101
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = i;code = 105
char = r;code = 114
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = m;code = 109
char = i;code = 105
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = i;code = 105
char = s;code = 115
char = k;code = 107
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = e;code = 101
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = r;code = 114
char = r;code = 114
char = h;code = 104
char = a;code = 97
char = g;code = 103
char = e;code = 101
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result sql = OBJECTIVE : The authors reviewed the pathogenesis of cocaine-related cerebral ischemia, appraised current knowledge of its sequelae, and assessed the role of putative therapeutic agents, particularly dihydropyridine-class calcium channel antagonists.
METHOD : The authors performed an OVID-based literature review of all indexed journals between 1966 and 2000.
RESULTS : Cocaine abuse significantly increases the risk of ischemic stroke. The principal mechanism of cocaine-induced cerebral ischemia is vasospasm of large cranial arteries or within the cortical microvasculature. Increased levels of extracellular monoamines, particularly dopamine, mediate vasospasm. Neuroanatomical and labeling studies also have shown that dopamine-innervated neurons may regulate cerebral blood flow. Indeed, dopamine-rich brain regions appear to be relatively specific targets for cocaine-induced cerebral ischemia. Neuroimaging studies show that cocaine-induced hypoperfusion can persist even after 6 months of abstinence. Hypoperfusion can result in deficits on complex and simple psychomotor tasks but perhaps not on memory or attention. Severe cerebral ischemia can directly precipitate neuronal death and degradation, a condition exacerbated by liberation of the excitatory amino acid glutamate. Dihydropyridine-class calcium channel antagonists inhibit cocaine-mediated dopamine release on neurons involved in vasospasm and the control of cortical circulation. Other causes of cerebral ischemia include thrombogenesis and vasculitis. Although antithrombotic agents have potential in alleviating cocaine's neurotoxic effects, their use may be limited by the risk of spontaneous hemorrhage.
CONCLUSIONS : Cocaine abuse can result in stroke, neuroischemia, and cognitive deficits that can persist even after prolonged abstinence. Dihydropyridine-class calcium channel antagonists, such as isradipine, show promise as therapeutic agents for preventing cocaine-induced cerebral ischemia.
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result sql = Treatment advances for cocaine-induced ischemic stroke: focus on dihydropyridine-class calcium channel antagonists.
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char = s;code = 115
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char = ;code = 32
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char = e;code = 101
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char = i;code = 105
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char = s;code = 115
char = t;code = 116
char = r;code = 114
char = o;code = 111
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char = e;code = 101
char = .;code = 46
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char = T;code = 84
char = h;code = 104
char = e;code = 101
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char = p;code = 112
char = r;code = 114
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char = n;code = 110
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char = p;code = 112
char = a;code = 97
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char = c;code = 99
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = s;code = 115
char = m;code = 109
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
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char = c;code = 99
char = a;code = 97
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char = e;code = 101
char = d;code = 100
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char = e;code = 101
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char = e;code = 101
char = b;code = 98
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = c;code = 99
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char = e;code = 101
char = m;code = 109
char = i;code = 105
char = a;code = 97
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char = i;code = 105
char = s;code = 115
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = s;code = 115
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = a;code = 97
char = s;code = 115
char = m;code = 109
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char = o;code = 111
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char = ;code = 32
char = l;code = 108
char = a;code = 97
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char = g;code = 103
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char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = w;code = 119
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char = t;code = 116
char = h;code = 104
char = i;code = 105
char = n;code = 110
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char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = c;code = 99
char = o;code = 111
char = r;code = 114
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char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
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char = m;code = 109
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char = c;code = 99
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char = o;code = 111
char = v;code = 118
char = a;code = 97
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char = c;code = 99
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = a;code = 97
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char = e;code = 101
char = d;code = 100
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char = l;code = 108
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = s;code = 115
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = e;code = 101
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char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = r;code = 114
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char = m;code = 109
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = a;code = 97
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char = i;code = 105
char = n;code = 110
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char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = l;code = 108
char = y;code = 121
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char = d;code = 100
char = o;code = 111
char = p;code = 112
char = a;code = 97
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char = i;code = 105
char = n;code = 110
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char = ;code = 32
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = e;code = 101
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char = v;code = 118
char = a;code = 97
char = s;code = 115
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = a;code = 97
char = s;code = 115
char = m;code = 109
char = .;code = 46
char = ;code = 32
char = N;code = 78
char = e;code = 101
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = a;code = 97
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = a;code = 97
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char = ;code = 32
char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = l;code = 108
char = a;code = 97
char = b;code = 98
char = e;code = 101
char = l;code = 108
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = o;code = 111
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char = h;code = 104
char = a;code = 97
char = v;code = 118
char = e;code = 101
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char = s;code = 115
char = h;code = 104
char = o;code = 111
char = w;code = 119
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
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char = d;code = 100
char = o;code = 111
char = p;code = 112
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
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char = i;code = 105
char = n;code = 110
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
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char = n;code = 110
char = e;code = 101
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = g;code = 103
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = b;code = 98
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = b;code = 98
char = l;code = 108
char = o;code = 111
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = e;code = 101
char = d;code = 100
char = ,;code = 44
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char = d;code = 100
char = o;code = 111
char = p;code = 112
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = -;code = 45
char = r;code = 114
char = i;code = 105
char = c;code = 99
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char = b;code = 98
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char = n;code = 110
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char = r;code = 114
char = e;code = 101
char = g;code = 103
char = i;code = 105
char = o;code = 111
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char = s;code = 115
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char = p;code = 112
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char = a;code = 97
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char = t;code = 116
char = o;code = 111
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char = b;code = 98
char = e;code = 101
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char = e;code = 101
char = l;code = 108
char = a;code = 97
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char = i;code = 105
char = v;code = 118
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char = l;code = 108
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char = s;code = 115
char = p;code = 112
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char = c;code = 99
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char = f;code = 102
char = i;code = 105
char = c;code = 99
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char = g;code = 103
char = e;code = 101
char = t;code = 116
char = s;code = 115
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char = o;code = 111
char = r;code = 114
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char = c;code = 99
char = o;code = 111
char = c;code = 99
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char = n;code = 110
char = e;code = 101
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char = u;code = 117
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char = d;code = 100
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char = b;code = 98
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char = i;code = 105
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char = e;code = 101
char = m;code = 109
char = i;code = 105
char = a;code = 97
char = .;code = 46
char = ;code = 32
char = N;code = 78
char = e;code = 101
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = i;code = 105
char = m;code = 109
char = a;code = 97
char = g;code = 103
char = i;code = 105
char = n;code = 110
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char = d;code = 100
char = i;code = 105
char = e;code = 101
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char = s;code = 115
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char = o;code = 111
char = w;code = 119
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char = t;code = 116
char = h;code = 104
char = a;code = 97
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char = c;code = 99
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char = c;code = 99
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = e;code = 101
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char = i;code = 105
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char = u;code = 117
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char = e;code = 101
char = d;code = 100
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char = y;code = 121
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char = o;code = 111
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char = e;code = 101
char = r;code = 114
char = f;code = 102
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = o;code = 111
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char = c;code = 99
char = a;code = 97
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char = p;code = 112
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char = r;code = 114
char = s;code = 115
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char = s;code = 115
char = t;code = 116
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char = e;code = 101
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char = a;code = 97
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char = t;code = 116
char = e;code = 101
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char = ;code = 32
char = 6;code = 54
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char = m;code = 109
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char = t;code = 116
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char = s;code = 115
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = a;code = 97
char = b;code = 98
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = .;code = 46
char = ;code = 32
char = H;code = 72
char = y;code = 121
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char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = f;code = 102
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = o;code = 111
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char = ;code = 32
char = c;code = 99
char = a;code = 97
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char = s;code = 115
char = u;code = 117
char = l;code = 108
char = t;code = 116
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char = i;code = 105
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char = e;code = 101
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char = i;code = 105
char = c;code = 99
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char = t;code = 116
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char = m;code = 109
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char = m;code = 109
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char = e;code = 101
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char = s;code = 115
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char = k;code = 107
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char = t;code = 116
char = i;code = 105
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char = S;code = 83
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char = r;code = 114
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char = a;code = 97
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char = i;code = 105
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char = e;code = 101
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char = a;code = 97
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char = o;code = 111
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char = ;code = 32
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char = e;code = 101
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char = e;code = 101
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char = t;code = 116
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char = o;code = 111
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char = y;code = 121
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char = a;code = 97
char = m;code = 109
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char = a;code = 97
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char = u;code = 117
char = t;code = 116
char = a;code = 97
char = m;code = 109
char = a;code = 97
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char = e;code = 101
char = .;code = 46
char = ;code = 32
char = D;code = 68
char = i;code = 105
char = h;code = 104
char = y;code = 121
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char = o;code = 111
char = p;code = 112
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char = i;code = 105
char = d;code = 100
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char = u;code = 117
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char = a;code = 97
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char = e;code = 101
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char = a;code = 97
char = n;code = 110
char = t;code = 116
char = a;code = 97
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char = o;code = 111
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char = r;code = 114
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char = O;code = 79
char = N;code = 78
char = S;code = 83
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char = ;code = 32
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char = s;code = 115
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
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char = r;code = 114
char = o;code = 111
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char = e;code = 101
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char = r;code = 114
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char = a;code = 97
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char = d;code = 100
char = ;code = 32
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char = g;code = 103
char = n;code = 110
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
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char = e;code = 101
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = i;code = 105
char = t;code = 116
char = s;code = 115
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char = n;code = 110
char = e;code = 101
char = n;code = 110
char = c;code = 99
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char = o;code = 111
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char = e;code = 101
char = ;code = 32
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char = a;code = 97
char = p;code = 112
char = e;code = 101
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char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = o;code = 111
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char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = v;code = 118
char = e;code = 101
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char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = -;code = 45
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = b;code = 98
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = c;code = 99
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = a;code = 97
char = .;code = 46
result sql = OBJECTIVE : The authors reviewed the pathogenesis of cocaine-related cerebral ischemia, appraised current knowledge of its sequelae, and assessed the role of putative therapeutic agents, particularly dihydropyridine-class calcium channel antagonists.
METHOD : The authors performed an OVID-based literature review of all indexed journals between 1966 and 2000.
RESULTS : Cocaine abuse significantly increases the risk of ischemic stroke. The principal mechanism of cocaine-induced cerebral ischemia is vasospasm of large cranial arteries or within the cortical microvasculature. Increased levels of extracellular monoamines, particularly dopamine, mediate vasospasm. Neuroanatomical and labeling studies also have shown that dopamine-innervated neurons may regulate cerebral blood flow. Indeed, dopamine-rich brain regions appear to be relatively specific targets for cocaine-induced cerebral ischemia. Neuroimaging studies show that cocaine-induced hypoperfusion can persist even after 6 months of abstinence. Hypoperfusion can result in deficits on complex and simple psychomotor tasks but perhaps not on memory or attention. Severe cerebral ischemia can directly precipitate neuronal death and degradation, a condition exacerbated by liberation of the excitatory amino acid glutamate. Dihydropyridine-class calcium channel antagonists inhibit cocaine-mediated dopamine release on neurons involved in vasospasm and the control of cortical circulation. Other causes of cerebral ischemia include thrombogenesis and vasculitis. Although antithrombotic agents have potential in alleviating cocaine's neurotoxic effects, their use may be limited by the risk of spontaneous hemorrhage.
CONCLUSIONS : Cocaine abuse can result in stroke, neuroischemia, and cognitive deficits that can persist even after prolonged abstinence. Dihydropyridine-class calcium channel antagonists, such as isradipine, show promise as therapeutic agents for preventing cocaine-induced cerebral ischemia.
Publication: Am J Psychiatry 2001 Aug ;158(8)::1191-8.
Publication Date: 2001 Aug
Study Author(s): Johnson, B A;Devous, M D;Ruiz, P;Ait-Daoud, N;
Institution: Department of Psychiatry and Pharmacology, University of Texas Health Science Center at San Antonio, TX 78229, USA. [email protected]
Shortcut link to this study:
Publication Date: 2001 Aug
Study Author(s): Johnson, B A;Devous, M D;Ruiz, P;Ait-Daoud, N;
Institution: Department of Psychiatry and Pharmacology, University of Texas Health Science Center at San Antonio, TX 78229, USA. [email protected]
Shortcut link to this study:
OBJECTIVE : The authors reviewed the pathogenesis of cocaine-related cerebral ischemia, appraised current knowledge of its sequelae, and assessed the role of putative therapeutic agents, particularly dihydropyridine-class calcium channel antagonists.
METHOD : The authors performed an OVID-based literature review of all indexed journals between 1966 and 2000.
RESULTS : Cocaine abuse significantly increases the risk of ischemic stroke. The principal mechanism of cocaine-induced cerebral ischemia is vasospasm of large cranial arteries or within the cortical microvasculature. Increased levels of extracellular monoamines, particularly dopamine, mediate vasospasm. Neuroanatomical and labeling studies also have shown that dopamine-innervated neurons may regulate cerebral blood flow. Indeed, dopamine-rich brain regions appear to be relatively specific targets for cocaine-induced cerebral ischemia. Neuroimaging studies show that cocaine-induced hypoperfusion can persist even after 6 months of abstinence. Hypoperfusion can result in deficits on complex and simple psychomotor tasks but perhaps not on memory or attention. Severe cerebral ischemia can directly precipitate neuronal death and degradation, a condition exacerbated by liberation of the excitatory amino acid glutamate. Dihydropyridine-class calcium channel antagonists inhibit cocaine-mediated dopamine release on neurons involved in vasospasm and the control of cortical circulation. Other causes of cerebral ischemia include thrombogenesis and vasculitis. Although antithrombotic agents have potential in alleviating cocaine's neurotoxic effects, their use may be limited by the risk of spontaneous hemorrhage.
CONCLUSIONS : Cocaine abuse can result in stroke, neuroischemia, and cognitive deficits that can persist even after prolonged abstinence. Dihydropyridine-class calcium channel antagonists, such as isradipine, show promise as therapeutic agents for preventing cocaine-induced cerebral ischemia.
METHOD : The authors performed an OVID-based literature review of all indexed journals between 1966 and 2000.
RESULTS : Cocaine abuse significantly increases the risk of ischemic stroke. The principal mechanism of cocaine-induced cerebral ischemia is vasospasm of large cranial arteries or within the cortical microvasculature. Increased levels of extracellular monoamines, particularly dopamine, mediate vasospasm. Neuroanatomical and labeling studies also have shown that dopamine-innervated neurons may regulate cerebral blood flow. Indeed, dopamine-rich brain regions appear to be relatively specific targets for cocaine-induced cerebral ischemia. Neuroimaging studies show that cocaine-induced hypoperfusion can persist even after 6 months of abstinence. Hypoperfusion can result in deficits on complex and simple psychomotor tasks but perhaps not on memory or attention. Severe cerebral ischemia can directly precipitate neuronal death and degradation, a condition exacerbated by liberation of the excitatory amino acid glutamate. Dihydropyridine-class calcium channel antagonists inhibit cocaine-mediated dopamine release on neurons involved in vasospasm and the control of cortical circulation. Other causes of cerebral ischemia include thrombogenesis and vasculitis. Although antithrombotic agents have potential in alleviating cocaine's neurotoxic effects, their use may be limited by the risk of spontaneous hemorrhage.
CONCLUSIONS : Cocaine abuse can result in stroke, neuroischemia, and cognitive deficits that can persist even after prolonged abstinence. Dihydropyridine-class calcium channel antagonists, such as isradipine, show promise as therapeutic agents for preventing cocaine-induced cerebral ischemia.
PMID: 11481148
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