Association of carboxyhemoglobin and methemoglobin levels with hemolysis during extracorporeal membrane oxygenation.

IF 1.4 4区 医学 Q4 ENGINEERING, BIOMEDICAL International Journal of Artificial Organs Pub Date : 2025-03-13 DOI:10.1177/03913988251326398
Tsubasa Yoshida, Satoshi Kimura, Takanobu Sakura, Tatsuhiko Shimizu, Tomoyuki Kanazawa, Kazuyoshi Shimizu, Tatsuo Iwasaki, Hiroshi Morimatsu
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引用次数: 0

Abstract

Introduction: Hemolysis, characterized by increased carboxyhemoglobin (COHb) and methemoglobin (MetHb) levels, is a complication of extracorporeal membrane oxygenation (ECMO).

Methods: This prospective single-center study aimed to investigate the correlation between COHb and MetHb levels and hemolysis during ECMO. This study included 32 patients requiring ECMO for circulatory or respiratory failure. Plasma-free hemoglobin (pfHb), COHb, and MetHb levels were measured simultaneously within 6 h of ECMO induction, daily during ECMO, within 6 h after decannulation, and 2 days after decannulation unless death occurred before. Patients were classified into hemolysis and non-hemolysis groups based on whether the maximum pfHb level during ECMO was ⩾50 mg/dL.

Results: No significant difference in maximum COHb levels during ECMO (COHbECMO) was observed between the hemolysis and non-hemolysis groups (2.15% [interquartile range (IQR) = 1.83, 2.60] vs 1.65% [IQR = 1.40, 2.10], p = 0.159). However, maximum MetHb levels during ECMO (MetHbECMO) were significantly higher in the hemolysis group (1.35% [IQR = 1.12, 1.78] vs 1.10% [IQR = 0.90, 1.37], p = 0.045). The Spearman's correlation coefficients for COHbECMO and MetHbECMO were 0.39 (95% confidence interval [CI] = 0.456-0.649) and 0.66 (95% CI = 0.404-0.820), respectively.

Conclusion: Elevated MetHb levels in patients undergoing ECMO may be associated with hemolysis.

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来源期刊
International Journal of Artificial Organs
International Journal of Artificial Organs 医学-工程:生物医学
CiteScore
3.40
自引率
5.90%
发文量
92
审稿时长
3 months
期刊介绍: The International Journal of Artificial Organs (IJAO) publishes peer-reviewed research and clinical, experimental and theoretical, contributions to the field of artificial, bioartificial and tissue-engineered organs. The mission of the IJAO is to foster the development and optimization of artificial, bioartificial and tissue-engineered organs, for implantation or use in procedures, to treat functional deficits of all human tissues and organs.
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