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目的:总结真性红细胞增多症(PV)患者的临床特点、实验室检查结果,分析PV患者血栓栓塞并发症的危险因素,为筛选高危人群、防治并发症提供依据.方法:选取确诊的107例PV患者的临床资料进行回顾性分析总结.结果:①JAK2/V617F突变阳性的PV患者,年龄、血小板计数明显高于阴性者(P＜0.05).②107例患者中,PT延长41例(38.32％),APTT延长70例(65.42％),TT延长40例(37.38％),PTA降低74例(69.16％),INR升高38例(35.51％),FIB降低27例(25.23％).③共88例患者检测了乳酸脱氢酶(LDH),均值为355.66 U/L,明显大于正常高限(240 U/L),共89例患者检测了空腹血糖,均值为4.44 mmol/L,其中30例(33.71％)空腹血糖低于正常低限(3.8 mmol/L),12例可诊断为低血糖症(空腹血糖450×109/L、无脾肿大的患者,更易并发血栓性疾病.“,”Objective: To summarize clinical features and laboratory test results of patients with polycythemia vera (PV),and analyze risk factors of thromboembolic complications in PV patients, in order to provide basis for screening high-risk groups and prevention of complications. Method: Clinical data of 107 patients diagnosed with PV were retrospectively analyzed. Result:①According to whether the existence of JAK2/V617F mutation,PV patients could be divided into two groups, the age, platelet count of positive group was obviously higher than those of negative group (P＜0.05);②Of all the 107 patients,PT prolonged in 41 cases (38.32％),APTT prolonged in 70 cases (65.42％),TT prolonged in 40 cases (37.38％), the PTA decreased in 74 cases (69.16％), INR increased in 38 cases (35.51 ％),FIB decreased in 27 cases (25.23％);③A total of 88 cases received the test of LDH,averaged 355.66 U/L,it was significantly higher than the normal range (240 U/L). Eighty-nine cases tested the fasting glucose, averaged 4.44 mmol/L,and 30 cases belowed the normal lower limit (3.8 mmol/L,33.71％),12 cases diagnosed as hypoglycemia (fasting glucose 450 X 109/L,patients without splenomegaly are more likely to have thrombotic disease.