Abstract
Purpose
A single-center study was conducted to investigate the impact of sarcopenia as a predictor for 90-day mortality (90 dM) and complications within 90 days after radical cystectomy for bladder cancer.
Methods
In total, 327 patients with preoperative available digital computed tomography (CT) scans of the abdomen and pelvis were identified. The lumbar skeletal muscle index was measured using preoperative abdominal CT to assess sarcopenia. Complications were recorded and graded according to Clavien–Dindo (CD). Predictors of 90 dM and complications within 90 days were analyzed by uni- and multivariable logistic regression.
Results
Of the 327 patients, 262 (80%) were male and 108 (33%) patients were classified as sarcopenic. Within 90 days, 28 (7.8%) patients died, of whom 15 patients were sarcopenic and 13 were not. In multivariable logistic regression analysis, sarcopenia (OR 2.59; 95% CI 1.13–5.95; p = 0.025), ASA 3–4 (OR 2.53; 95% CI 1.10–5.82; p = 0.029) and cM + (OR 7.43; 95% CI 2.34–23.64; p = 0.001) were independent predictors of 90-day mortality. Sarcopenic patients experienced significantly more complications, i.e., CD 4a–5 (p = 0.003), compared to non-sarcopenic patients. In multivariable logistic regression analysis, sarcopenia was independently associated with CD ≥ 3b complications corrected for age, BMI, ASA-Score and type of urinary diversion.
Conclusions
We reported that sarcopenia proved an independent predictor for 90 dM and complications in patients undergoing RC for bladder cancer.
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RM: Project development, data collection, data analysis, manuscript writing. HF: Project development, data collection, manuscript writing. FZ: Data analysis, manuscript writing, editing. MR: Data collection. LS: Data collection. CN: Data collection, protocol development. AP: Project development, manuscript writing. BWGR: Manuscript writing, data analysis, editing. MB: Supervision, manuscript writing. MG: Data collection, manuscript writing, editing.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
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Mayr, R., Fritsche, HM., Zeman, F. et al. Sarcopenia predicts 90-day mortality and postoperative complications after radical cystectomy for bladder cancer. World J Urol 36, 1201–1207 (2018). https://doi.org/10.1007/s00345-018-2259-x
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DOI: https://doi.org/10.1007/s00345-018-2259-x