未确诊的术中高铁血红蛋白血症。
Undiagnosed intraoperative methaemoglobinaemia.
作者信息
Verma Swapnil, Sathpathy A K, Srinivas U, Reddy Sanath
机构信息
Department of Anaesthesia, Apollo Hospital Jubilee Hills, Hyderabad, Telangana, India.
出版信息
Indian J Anaesth. 2018 Jan;62(1):72-74. doi: 10.4103/ija.IJA_422_17.
Methaemoglobinaemia is a rare but potentially dangerous haemoglobinopathy that is often underdiagnosed. It is one of the causes for unexplained cyanosis with dark-coloured blood, especially in the absence of cardiac or pulmonary pathology. Not uncommonly so, it is an incidental perioperative finding in cases of dark-coloured blood not improving with oxygen in apparently acyanotic patients. The present case report is of a child with deaf-mutism posted for cochlear implant surgery who presented with 'chocolate-coloured blood' in the surgical field, despite blood gas analysis showing a normal partial pressure of oxygen.
高铁血红蛋白血症是一种罕见但可能危险的血红蛋白病，常常未得到充分诊断。它是导致不明原因的紫绀且血液颜色发深的原因之一，尤其是在没有心脏或肺部病变的情况下。很常见的情况是，在看似无紫绀的患者中，手术中发现血液颜色发深且吸氧后无改善，高铁血红蛋白血症是术中偶然发现的情况。本病例报告的是一名患有聋哑症、准备接受人工耳蜗植入手术的儿童，尽管血气分析显示氧分压正常，但手术视野中出现了“巧克力色血液”。
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