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外科常见的血红蛋白尿有以下几种:①挤压损伤(包括肢体近侧断肢再植)造成组织广泛破坏的同时,红细胞及肌细胞也遭破坏而产生大量游离血红蛋白及肌红蛋白,并释放出大量乳酸和磷酸而出现代谢性酸中毒,尿液亦呈强酸性。挤压伤后游离血红蛋白和肌红蛋白被肾小球滤过时,在酸性尿的肾小管中易沉淀而凝结,造成肾小管堵塞,此为挤压伤中造成肾功能衰竭的主要原因。表现为挤压伤
Common surgical hemoglobinuria are the following: ① crush injury (including proximal limb amputation replantation) caused extensive destruction of tissue at the same time, red blood cells and muscle cells were destroyed and produce a large number of free hemoglobin and myoglobin, and release A large number of lactic acid and phosphoric acid metabolic acidosis, urine also showed a strong acidity. Crush injury after free hemoglobin and myoglobin by the glomerular filtration, the acid in the renal tubular easily precipitate and coagulation, resulting in tubule blockage, which is caused by crush injury, the main reason for renal failure. Showed as crush injury