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【早发型重度子痫前期的临床特点及围生结局】 早发型重度子痫前期

发布时间:2019-03-10 06:27:43 浏览数:

  [摘要] 目的 探讨早发型重度子痫前期的临床特点及期待治疗围生结局的影响。 方法 回顾性分析我院2002年10月~2010年10月收治的早发型重度子痫前期170例,根据发病孕周不同分成三组:A组(28周≤孕周<30周)25例,B组(30周≤孕周<32周)63例,C组(32周≤孕周<34周)82例,比较三组间期待治疗及围生儿结局。 结果 ①不同发病孕周妊娠并发症(肝肾功能损害、胎盘早剥、HELLP综合征、心衰肺水肿、视网膜病变)比较差异无统计学意义(P > 0.05);②不同发病孕周期待治疗时间比较差异有统计学意义(P < 0.05),A组>B组>C组,即随着发病孕周延长,期待治疗时间缩短。 结论 不同早发型重度子痫的发病孕周对妊娠并发症无明显影响,发病孕周越大,其期待治疗时间越短,孕32周之前发病的重度子痫前期围生儿死亡率及新生儿窒息率明显高于32周后发病者。
  [关键词] 早发型重度子痫前期;并发症;围生结局
  [中图分类号] R714.24+5 [文献标识码] A [文章编号] 1673-7210(2012)02(a)-0034-02
  
  Perinatal outcomes and clinical features in early onset severe preeclampsia
  LING Shaoyun CHENG Yanjun WU Xueqin
  Department of Obstetrics and Gynecology, Longgang Central Hospital of Shenzhen City, Guangdong Province, Shenzhen 518116, China
  [Abstract] Objective To explore the impact of expectant treatment on the perinatal infantile outcome and clinical features in early onset severe preeclampsia (ES2PE). Methods 170 cases with early onset severe preeclampsia admitted to the hospital from October 2002 to October 2010 were analyzed retrospectively, then they were divided into three groups according to onset gestational weeks: group A (28 weeks≤gestational weeks<30 weeks) 25 cases, group B (30 weeks≤gestational weeks<32 weeks) 63 cases, group C (32 weeks≤gestational weeks<34 weeks) 82 cases, the curative effects of expectant treatment and perinatal outcomes in the three groups were compared. Results ①There was no significant difference in incidence of maternal complications ( liver and kidney function damage, placental abruption, HELLP syndrome, heart failure with pulmonary edema, retinal lesions ) among the three groups ( P > 0.05 ); ②there was significant difference in expectant treatment time among the three groups (P < 0.05), group A > group B > group C, the expectant treatment were shorter with the onset of gestational week increased. Conclusion Different gestational age of early onset severe preeclampsia has no significant effect on complications of pregnancy, the greater the gestational age is, the shorter the expected treatment time become, the perinatal mortality and neonatal asphyxia rate of severe preeclampsia occurred before 32 weeks is higher than that occurred after 32 weeks.
  [Key words] Early onset severe preeclampsia; Complication; Perinatal outcome
  
  重度子痫前期是妊娠期特有的、严重的并发症,是导致孕产妇及围生儿死亡的重要原因之一。早发型重度子痫前期(early onset severe preeclampsia,ES2PE)因发病早、程度严重,有较高的围生儿死亡率。但迄今为止,早发型前期重度尚无统一界定,有学者将发病于32周前或34周前的重度子痫前期称为早发型重度子痫前期[1],在此后发病称为晚发型重度子痫前期[2]。本文通过对我院收治的170例孕周≤34周的重度子痫前期进行回顾性分析,探讨早发型重度子痫前期的临床特点及围生儿结局,以期提高围生儿生存率,减少围生期母婴不良结局。现报道如下:
  1 资料与方法
  1.1 一般资料
  2002年10月~2010年10月在我院住院的孕产妇共24 566例,围生儿总数24 517例,新生儿死亡113例,新生儿轻度窒息383例,重度窒息117例。孕产妇中确诊早期重度子痫前期204例(34例因子痫、胎盘早剥、胎死宫内等并发症或治疗后病情不稳定判为不宜期待治疗,入院后2~48 h内终止妊娠),其余170例根据其入院孕周不同分为三组,即A组(28周≤孕周<30周)25例,B组(30周≤孕周<32周)63例,C组(32周≤孕周<34周)82例,进行期待治疗,年龄分布在17~42岁,其中初产妇109例,经产妇61例,双胎11例(A组3例,B组4例,C组4例),其余的为单胎;各组间年龄、孕次及产次比较差异无统计学意义(P > 0.05),具有可比性。
  1.2 诊断标准
  重度子痫前期的诊断标准参照《妇产科学》(第6版)[3]诊断标准。
  1.3 治疗方法
  解痉首选静滴硫酸镁,首日用量25~30 g,一般降压可选用口服硝苯地平缓释片、拉贝洛尔等控制血压,维持血压在150~160/90~100 mm Hg(1 mm Hg=0.133 kPa),若血压控制不良给予静脉降压药,如酚妥拉明、硝酸甘油等,镇静采用安定及鲁米那,纠正低蛋白血症,必要时利尿治疗,并予地塞米松促胎肺成熟,严密监测病情和对症治疗各种并发症,防治心衰,一旦病情无法控制或加重,立即终止妊娠。
  1.4 终止妊娠指征及方式
  母亲因素:①早发型重度子痫前期患者经积极治疗48~72 h仍无明显好转者;②子痫;③持续性重度头痛或上腹痛;④HELLP综合征;⑤肌酐升高或肝肾功能异常进行性加重;⑥心衰、肺水肿;⑦血小板进行性减少;⑧胎盘早剥。胎儿因素:①B超监测小于孕龄儿(SGA)且停止生长;②脐动脉舒张末期血流无波形,胎儿脐血流出现舒张末期血流缺失或返流;③羊水指数≤3 cm;④胎心监护反复出现晚期减速或重度变异减速。分娩方式以剖宫产为宜,154例行剖宫产术,剖宫产率为90.06%。终止妊娠时由新生儿科医生在场帮助抢救复苏新生儿后转NICU。
  1.5观察指标
  孕产妇的肝肾功能指标、心衰、肺水肿、低蛋白血症、胎盘早剥、HELLP、孕周延长、新生儿窒息、围生儿死亡。
  1.6统计学方法
  采用SPSS 15.0软件包进行统计学处理,计量资料数据以均数±标准差(x±s)表示,比较采用t检验,计数资料采用百分率表示,组间对比采用χ2检验。以P

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