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1.
Semin Thromb Hemost ; 43(2): 191-199, 2017 Mar.
Article in English | MEDLINE | ID: mdl-27472428

ABSTRACT

Thrombotic vascular occlusion is the leading cause of ischemic stroke. High blood levels of α2-antiplasmin (a2AP), an ultrafast, covalent inhibitor of plasmin, have been linked in humans to increased risk of ischemic stroke and failure of tissue plasminogen activator (tPA) therapy. Consistent with these observations, a2AP neutralizes the therapeutic benefit of tPA therapy in experimental stroke. In addition, a2AP has deleterious, dose-related effects on ischemic brain injury in the absence of therapy. Experimental therapeutic inactivation of a2AP markedly reduces microvascular thrombosis, ischemic brain injury, brain swelling, brain hemorrhage, and death after thromboembolic stroke. These data provide new insights into the critical importance of a2AP in the pathogenesis of ischemic brain injury and suggest that transiently inactivating a2AP may have therapeutic value in ischemic stroke.


Subject(s)
Stroke/drug therapy , alpha-2-Antiplasmin/therapeutic use , Humans , Stroke/mortality , Stroke/pathology , alpha-2-Antiplasmin/administration & dosage
2.
Jpn Circ J ; 65(9): 834-6, 2001 Sep.
Article in English | MEDLINE | ID: mdl-11548885

ABSTRACT

Two adult cases of relatively large patent ductus arteriosus (PDA) were treated by coil embolization, but were complicated by hemolysis that was successfully managed by medical treatment. Case 1 was a 67-year-old woman and Case 2 was a 71-year-old woman with a PDA of minimal diameter of 5.3 mm and 5.5 mm, respectively. The approach was via the pulmonary artery and 2 coils were delivered simultaneously into the ductus, known as the 'kissing coil technique'. Although immediately after the procedure only a small residual shunt was revealed by aortogram, hemolysis occurred for several hours after the procedure in both cases. A hemolytic complication usually needs additional coil embolization or surgical treatment, but in these 2 cases it was successfully treated by haptoglobin infusion to prevent nephropathy and by antiplasmin infusion to promote thrombus formation. Hemolytic complications of coil embolization of PDA can managed by medication when the residual shunt is minimal and the degree of hemolysis is mild.


Subject(s)
Ductus Arteriosus, Patent/complications , Embolization, Therapeutic/adverse effects , Hemolysis , Aged , Ductus Arteriosus, Patent/therapy , Female , Haptoglobins/administration & dosage , Hemoglobinuria/etiology , Hemoglobinuria/prevention & control , Hemoglobinuria/therapy , Humans , alpha-2-Antiplasmin/administration & dosage
3.
Pediatriia ; (6): 42-6, 1989.
Article in Russian | MEDLINE | ID: mdl-2762053

ABSTRACT

The treatment of disseminated intravascular coagulation (DIC) in infants with sepsis should be instituted after multimodality therapy of pyo-inflammatory diseases taking into account the degree of hemostatic disorders. In stage I DIC (hypercoagulation one), it is necessary to reach an adequate level of the inhibitors of the thrombin and plasmin systems. In this case it is quite sufficient to use donor's cryoplasma without heparin administration. In stage II DIC (transitory one) and stage III (hypocoagulation one), it is required that the drugs possessing antithrombin and antiplasmin activity, substitution therapy with blood preparations and components as well as measures to control hemorrhagic diathesis may be used.


Subject(s)
Disseminated Intravascular Coagulation/therapy , Infections/complications , Antithrombins/administration & dosage , Blood Coagulation Tests , Blood Transfusion , Disseminated Intravascular Coagulation/diagnosis , Humans , Infant, Newborn , alpha-2-Antiplasmin/administration & dosage
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