Metabolic acidemia due to saline absorption during transurethral and transcervical surgery: a report of 2 cases.

BMC Anesthesiol

Department of Anesthesiology, The Jikei University School of Medicine, Nishi-Shimbashi 3-25-8, Minato-ku, Tokyo, 105-8461, Japan.

Published: February 2024

Background: The development of endoscopic systems that include bipolar electrocautery has enabled the use of normal saline irrigation in transurethral or transcervical endoscopic surgery. However, excessive saline absorption can cause hyperchloremic metabolic acidosis.

Case Presentation: Patient 1: A 76-year-old man was scheduled for transurethral resection of the prostate with saline irrigation. Approximately 140 min after the surgery, abdominal distension and cervical edema were observed. Abdominal ultrasound examination indicated a subhepatic hypoechoic lesion, which suggested extravasation of saline. Arterial blood gas analysis revealed hyperchloremic metabolic acidosis. The patient was extubated 2 h after the operation with no subsequent airway problems, and the electrolyte imbalance was gradually corrected. Patient 2: A 43-year-old woman was scheduled for transcervical resection of a uterine fibroid with saline irrigation. When the drape was removed after the operation was finished, notable upper extremity edema was observed. Arterial blood gas analysis revealed hyperchloremic metabolic acidosis. The patient's acidemia, electrolyte imbalance, and neck edema gradually resolved, and the patient was extubated 16 h after the operation without subsequent airway problems.

Conclusions: Anesthesiologists should be aware of acidemia, cardiopulmonary complications, and airway obstruction caused by excessive saline absorption after saline irrigation in endoscopic surgery.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10858605PMC
http://dx.doi.org/10.1186/s12871-024-02437-5DOI Listing

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