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Miyoshi H, Nakamura R, Otsuki S, Noda Y, Saeki N, Tsutsumi YM. Electroencephalogram evaluation of accidental cerebral congestion during unexpected superior vena cava clamping: a case report. JA Clin Rep 2022; 8:40. [PMID: 35678927 PMCID: PMC9184690 DOI: 10.1186/s40981-022-00531-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/31/2022] [Accepted: 06/03/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Intraoperative superior vena cava (SVC) clamping causes hypotension and cerebral congestion. There is no established method for monitoring brain function during cerebral congestion. We encountered a case of cerebral congestion caused by unexpected SVC clamping.
Case presentation
A 64-year-old man underwent SVC clamping during lung tumor resection. The entropy and electroencephalogram monitoring values decreased with SVC clamping and increased in response to the release of congestion by phlebotomy and SVC declamping.
Conclusions
Because entropy sharply reflects brain viability during cerebral congestion, it was considered helpful in evaluation of the monitoring of cerebral congestion.
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