[Analysis and summary of clinical characteristics of 289 patients with paroxysmal nocturnal hemoglobinuria in Zhejiang Province]

Zhonghua Xue Ye Xue Za Zhi. 2024 Jun 14;45(6):549-555. doi: 10.3760/cma.j.cn121090-20240127-00041.
[Article in Chinese]

Abstract

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.

目的: 对浙江省阵发性睡眠性血红蛋白尿症(PNH)患者的临床特征、治疗现状及其生存情况进行多中心回顾性分析,以提高对该疾病的认识和规范化诊治水平。 方法: 纳入了2005年9月至2023年5月就诊于浙江省20家医院的289例PNH患者,随访并收集数据,对其临床特点、诊治现状及生存情况进行分析。 结果: 289例PNH患者中男148例,女141例,中位发病年龄为45(16~87)岁,发病高峰年龄为20~49岁(57.8%)。中位血清乳酸脱氢酶(LDH)水平为1 142(604~1 925)U/L 。其中经典型PNH占70.9%,合并骨髓衰竭性疾病(PNH/BMF)型占24.4%,亚临床型PNH占4.7%。病程中主要临床表现包括疲劳或无力(80.8%,235/289)、头晕(73.4%,212/289)、尿色加深(66.2%,179/272)和黄疸(46.2%,126/270)。常见的合并症为血红蛋白尿(58.7%)、肾功能损害(17.6%)、血栓(15.0%)。有82.3%患者接受糖皮质激素治疗,70.9%需要输血,30.7%使用免疫抑制剂,13.8%接受抗凝治疗,6.3%接受了异基因造血干细胞移植。10年总生存(OS)率为84.4%(95%CI 78.0%~91.3%)。 结论: PNH患者好发于中青年,男女比例相当,临床常见表现为疲劳、头晕、血红蛋白尿、黄疸、肾功能损害、反复血栓等。本组患者的10年OS率和国内其他中心报道相当。.

Keywords: Lactic dehydrogenase; PNH clone; Paroxysmal nocturnal hemoglobinuria; Thrombus.

MeSH terms

  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • China / epidemiology
  • Female
  • Hemoglobinuria, Paroxysmal* / diagnosis
  • Hemoglobinuria, Paroxysmal* / epidemiology
  • Hemoglobinuria, Paroxysmal* / therapy
  • Humans
  • Male
  • Middle Aged
  • Retrospective Studies
  • Young Adult