Volume 11, Issue 1 (3-2022)                   WJPS 2022, 11(1): 111-116 | Back to browse issues page

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Department of Anaesthesiology, University Medical Center Schleswig-Holstein, Campus Luebeck, Luebeck, Germany , sebastian.brandt@uksh.de
Abstract:   (1135 Views)
Tumescent local anaesthesia with prilocain can lead to clinically significant methemoglobin levels. New generation multiple wavelength pulse oximeters (e. g. Masimo Radical 7®) can measure methemoglobin levels.
In this prospective observational study we compared the venous methemoglobin levels and the corresponding pulse oximetric values of the Radical 7® in patients undergoing tumescent local anaesthesia for liposuction procedures. The measurements were performed in Hanseklinik, Luebeck, Germany between 2008 and 2011.
In 133 patients, we measured a maximum methemoglobin level of 18 per cent. In a Bland-Altman analysis we found a mean bias of +2.2 % (-4.1 to 8.4 limits of agreement) for pulse oximetric values compared to hemoximetry.
Pulse oximetric measurement of methemoglobin is an early-warning tool for the detection of clinically significant methaemoglobinemia in patients with tumescent local anaesthesia.
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Type of Study: Original Article | Subject: Special
Received: 2021/11/24 | Accepted: 2021/10/26 | Published: 2022/03/4

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