The Differential Impact of Body Mass Index and the Feature of Metabolic Syndrome on Oncological Outcomes Following Different Surgical Procedures in Japanese Men with Prostate Cancer.

This study aimed to examine the differential impact of body mass index and the feature of metabolic syndrome (MetS; obesity, hypertension, diabetes mellitus, and dyslipidemia) on biochemical recurrence (BCR) following radical prostatectomy (RP) treatment for prostate cancer using different surgical procedures.

This study included 283 Japanese patients with clinically localized prostate cancer who were treated with RP between 2008 and 2012. The prognostic significance of overweight and the feature of MetS were analyzed according to surgical procedures.

BCR occurred in 68/283 (24.0%) men. Overweight and the feature of MetS were predictors of BCR in patients who had undergone open RP (ORP), but not in those treated with laparoscopic surgery. Multivariate analyses incorporating preoperative and postoperative risk factors revealed that overweight and the feature of MetS were independent BCR risk factors when treated with ORP.

In Japanese men, overweight and the feature of MetS were associated with worse outcomes following RP, particularly ORP, compared with those following laparoscopic surgery. These results suggest that laparoscopic surgery can overcome the surgical challenges associated with abdominal obesity.

Annals of surgical oncology. 2016 Jan 28 [Epub ahead of print]

Masaki Shiota, Ario Takeuchi, Masaaki Sugimoto, Eiji Kashiwagi, Takashi Dejima, Keijiro Kiyoshima, Junichi Inokuchi, Katsunori Tatsugami, Akira Yokomizo, Masatoshi Eto

Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan. ., Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.

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