Objective To further improve the understanding of paroxysmal nocturnal hemoglobinuria(PNH),we retrospectively analyzed and summarized the clinical characteristics,treatment status,and survival status of patients with PNH in Zhejiang Province.Methods This study included 289 patients with PNH who visited 20 hospitals in Zhejiang Province.Their clinical characteristics,comorbidity,laboratory test results,and medications were analyzed and summarized.Results Among the 289 patients with PNH,148 males and 141 females,with a median onset age of 45(16-87)years and a peak onset age of 20-49 years(57.8％).The median lactic dehydrogenase(LDH)level was 1 142(604-1 925)U/L.Classified by type,70.9％(166/234)were classical,24.4％(57/234)were PNH/bone marrow failure(BMF),and 4.7％(11/234)were subclinical.The main clinical manifestations included fatigue or weakness(80.8％,235/289),dizziness(73.4％,212/289),darkened urine color(66.2％,179/272),and jaundice(46.2％,126/270).Common comorbidities were hemoglobinuria(58.7％),renal dysfunction(17.6％),and thrombosis(15.0％).Moreover,82.3％of the patients received glucocorticoid therapy,70.9％required blood transfusion,30.7％used immunosuppressive agents,13.8％received anticoagulant therapy,and 6.3％received allogeneic hematopoietic stem cell transplantation.The 10-year overall survival(OS)rate was 84.4％(95％CI 78.0％-91.3％).Conclusion Patients with PNH are more common in young and middle-aged people,with a similar incidence rate between men and women.Common clinical manifestations include fatigue,hemoglobinuria,jaundice,renal dysfunction,and recurrent thrombosis.The 10-year OS of this group is similar to reports from other centers in China.
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