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Updated: Mar 14, 2026

Laparoscopic Splenectomy with Pericardial Devascularization for Hypersplenism and Esophageal Variceal Hemorrhage Due to Portal Hypertension
Published on: November 15, 2024
Pseudohyperkalaemia: a rare complication of splenectomy
1Department of Surgery, Causeway Hospital , Coleraine, Antrim, Northern Ireland , UK.
Abstract:
Pseudohyperkalaemia is an uncommon and frequently unrecognised biochemical abnormality. It occurs as a consequence of aggregation and lysis of platelets in vitro. As a result, potassium is released, which causes an elevated serum concentration. We present the case of a 21-year-old man with a traumatic splenic injury necessitating laparotomy and splenectomy. Following surgery he developed hyperkalaemia. Further investigations diagnosed pseudohyperkalaemia, one of the causes of which is thrombocytosis secondary to splenectomy.
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