Objective To study the present status of compliance on anticoagulation reexamination after mechanical heart valve replacement and its influencing factors.Method Investigate 92 patients on present status of compliance on warfarin anticoagulation reexamination after mechanical heart valve replacement by telephone or mail return visit.Analyze the influencing factors by Logistic regression analysis.Result Among 92 patients,54 show good compliance on anticoagulation reexamination(58.70%)and 38 show poor compliance(41.30%).Logistic regression analysis shows that low education level,high reexaminatio...