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Korean Journal of Anesthesiology 2003;44(1):123-127.
DOI: https://doi.org/10.4097/kjae.2003.44.1.123   
False Low Pulse Oximetry Reading following a Peritumoral Injection of 1% Isosulfan Blue Dye in a Patient with Breast Cancer.
Hye Young Jo, Sang Gyi Lee, Ji Seon Son, Sung Hoo Jung
1Department of Anesthesiolgy, Chonbuk National University Medical School, Jeonju, Korea. LEESK@MOAK.CHONBUK.ac.kr
2Department of Surgery, Chonbuk National University Medical School, Jeonju, Korea.
Pulse oximetry is a noninvasive, continuous monitoring of arterial oxygenation and provides rapid detection of perioperative hypoxemia. However, many factors give a factitious reading of hemoglobin desaturation, some of these are vital dyes. Many authors report intravenous administration of vital dyes gave a transient factitious reading of hemoglobin desaturation, but few report peritumoral injection of vital dyes giving a spurious reading of hemoglobin desaturation. 1% Isosulfan blue dye has often been used for evaluation of the sentinel lymph node in breast cancer surgery. We report a case of spurious reading of a hemoglobin desaturation on a pulse oximetry following a peritumoral injection of 1% isosulfan blue dye in a patient with breast cancer.
Key Words: Hemoglobin desaturation; pulse oximetry; vital dyes


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