Hypoxemia of the lower limbs during robot-assisted radical prostatectomy in Trendelenburg position

  • \(\bf Objectives\) The objective of this study is to assess frequency and risk factors for intraoperative hypoxemia of the lower limbs during robot-assisted radical prostatectomy (RARP). Trendelenburg position during RARP may contribute to hypoxemia and compartment syndrome (CS) of the lower limbs as a major but rare complication. \(\textbf {Patients and methods}\) This prospective study included patients undergoing RARP for prostate cancer. Preoperative calculation of the ankle-brachial-index (ABI) was performed. Peripheral oxygen saturation (SpO2) at the toes was routinely measured. Occurrence of SpO2 levels of <90% was defined as hypoxemic events and treated immediately. Blood pressure, intraabdominal pressure, SpO2 of the upper limb and surgery time were monitored in case of hypoxemia. A multivariable logistic regression model was performed with age, BMI, nicotine abuse, MAP, comorbidities as covariates and hypoxemia of the lower limbs as the outcome. \(\bf Results\) A total of 207 patients were included. Among these, 126 patients had ABI measurements with 10.6% having an abnormal ABI value. One, two or at least three events of lower limb hypoxemia occurred intraoperatively in 19.7%, 14.8% and 16.9%, respectively. In 20 events, surgical instruments were affecting vascular perfusion by compression. None of the covariates were statistically significant associated with lower limb hypoxemia. No patient developed a compartment syndrome. \(\bf Conclusion\) Decrease in oxygen saturation of the lower extremities was observed frequently during RARP, without revealing any risk factors for its occurrence. Routine oximetry leads to an early detection of hypoxemia of the lower extremities, giving the anaesthesiologist and surgeon the opportunity to make adequate adjustments (increasing blood pressure and ending iliac vessel compression).

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Author:Lorine HäuserORCiDGND, Mara Anna MünkerGND, Ulrich FreyORCiDGND, Marina KlaaßenGND, Joachim NoldusGND, Rein-Jüri PalisaarGND
Parent Title (English):BJUI Compass
Publisher:BJUI International, part of Wiley
Place of publication:London
Document Type:Article
Date of Publication (online):2024/03/20
Date of first Publication:2023/10/09
Publishing Institution:Ruhr-Universität Bochum, Universitätsbibliothek
Tag:Open Access Fonds
Trendelenburgposition; ankle-brachial index; compartment syndrome; hypoxemia; robot-assisted radical prostatectomy
First Page:313
Last Page:318
Article Processing Charge funded by the Deutsche Forschungsgemeinschaft (DFG) and the Open Access Publication Fund of Ruhr-Universität Bochum.
Institutes/Facilities:Marienhospital Herne, Klinik für Urologie, Abteilung für Neuro-Urologie
Marienhospital Herne, Klinik für Anästhesiologie, operative Intensivmedizin, Schmerz- und Palliativmedizin
Dewey Decimal Classification:Technik, Medizin, angewandte Wissenschaften / Medizin, Gesundheit
open_access (DINI-Set):open_access
Licence (English):License LogoCreative Commons - CC BY 4.0 - Attribution 4.0 International