讨论妊娠并发自发肝破裂临床罕见。自1844年Abercombie 首次报告后至1995年发生约200例[1,2],是严重威胁母儿生命的妊娠并发症,其中85%~93.3%的患者患有重度妊娠高血压综合征(妊高征)和/或慢性高血压[2,3]。
大量尸检及活检资料揭示该症的病理改变为肝右叶广泛或局部梗死,肝门周围广泛灶样肝实质坏死及出血[1,5],淤胆[1],肝细胞浑浊肿胀[4]或脂肪变性[1]。推测这些改变应是在妊高征肝损害基础上进一步发展的结果。
B超及CT有助于早期诊断。凡患有上腹或右上腹不适伴恶心呕吐的孕产妇均应早作上腹B超检查,以免延误诊断。临产后频繁宫缩、迸气用力、腹内压变化等内在因素可诱发肝破裂,故产前肝被膜下血肿诊断明确者应立即剖宫产结束分娩。产后确诊的肝被膜下血肿如妊高征已被控制,血肿无增大及感染,无肝破裂征象,可严密监护下保守治疗。但绝大多数病例仍应及时手术。
参考文献
[1]Azix S,Merrell RC,Collins JA.Spontaneous hepatic haemorrhage during pregnancy.Am J Surg,1983,146:680-682.
[2]Schwartz ML,Lien JM.Spontaneous liver hematoma in pregnancy not clearly associated with preeclampsia:A case presentation and literature review.Am J Obstet Gynecol,1997,176:1328-1333.
[3]Bis KA,Waxman B.Rupture of the liver associated with pregnancy:A review of the literature and report of two cases.Obstet Gynecol Surv,1976,31:763-773.
[4]中华医学会北京分会.先逃子痫并发肝破裂.中华妇产科杂志,1988,23:310-311.
[5]Hibbard LT,Spotaneous rupture of the liver in pregnancy:A report of eight cases.Am J Obstet Gynecol.1976,126:334-338.
(收稿:1998-04-20修回:1998-09-10)
