临床儿科杂志 ›› 2018, Vol. 36 ›› Issue (7): 517-.doi: 10.3969/j.issn.1000-3606.2018.07.010

• 综合报道 • 上一篇    下一篇

儿童 β 地中海贫血 11 例家系分析

余勤勤, 赵晓明, 盛光耀   

  1. 郑州大学第一附属医院儿科(河南郑州 450052)
  • 收稿日期:2018-07-15 出版日期:2018-07-15 发布日期:2018-07-15
  • 通讯作者: 盛光耀  E-mail:shenggy@163.com

Familial analysis of β-thalassemia in 11 children

YU Qinqin, ZHAO Xiaoming, SHENG Guangyao   

  1. Department of Pediatrics of the First Hospital Affiliated to Zhengzhou University, Zhengzhou 450052, Henan, China
  • Received:2018-07-15 Online:2018-07-15 Published:2018-07-15

摘要: 目的 探讨河南地区β地中海贫血患儿的临床特点。方法 回顾分析11例河南籍β地中海贫血患儿及家系 成员的临床资料。结果 11例患儿中,HbE病2例,轻型β地中海贫血合并遗传性椭圆形红细胞增多症1例,轻型β地中 海贫血复合缺铁性贫血1例,其余7例单纯为轻型β地中海贫血。11例患儿血红蛋白电泳均有异常,其中HbA2和/或HbF 增高9例,出现HbE条带2例。共检测到3种β基因突变类型,分别为IVS-II-654(C>T)突变7例,CD17(A>T)和CD26(G>A) 突变各2例。11例患儿家系中, 6例祖籍河南, 5例父母中一方来自地中海贫血高发区。结论 β地中海贫血是一种常见的 单基因遗传病,河南地区存在β基因突变。家系调查、红细胞参数、血红蛋白电泳等有助于诊断和发现新病例。

Abstract: Objective To explore the clinical characteristics of β-thalassemia in children in Henan. Method The clinical data of 11 children with β-thalassemia in Henan and their family members were retrospectively analyzed. Results In the 11 cases, there were 2 cases of HbE disease, 1 case of β-thalassemia minor combined with hereditary elliptocytosis, 1 case of β-thalassemia minor accompanied with iron deficiency anemia, and 7 cases of β-thalassemia minor. Hemoglobin electrophoresis was abnormal in all 11 children, including HbA2 and/or HbF elevation in 9 cases and HbE bands in 2 cases. A total of 3 types of beta gene mutations were detected, including 7 cases of IVS-II-654 (C>T) mutation, 2 cases of CD17 (A>T) and 2 cases of CD26 (G>A) mutations. In the 11 children, there were 6 children whose ancestral home was Henan and either of the parents of other 5 children was from the high incidence area of thalassemia. Conclusion The β- thalassemia is a common single-gene hereditary disease, and beta gene mutations exist in Henan. Pedigree investigation, hemoglobin electrophoresis and hematology parameters contribute to diagnose and discover new cases.