Impact of metabolic syndrome on oncologic outcomes at radical prostatectomy

The associations between metabolic syndrome (MetS) and prostate cancer (CaP) outcomes following radical prostatectomy (RP) are not clear. This study aims to understand the role of MetS in influencing oncological outcomes at RP.

Patients who underwent RP for CaP at our institution from 2000 to 2010 were identified; MetS prior to RP was ascertained with a modified version of the IDF-AHA/NHLBI using ICD-9 codes. Histopathological outcomes included surgical margins, pathological stage, and Gleason score (GS) upgrading. Long-term outcomes included biochemical recurrence (BCR), local recurrence, systemic progression, and CaP-specific mortality. Multivariable adjusted logistic regression and Cox proportional hazards regression assessed the association between MetS status and histopathological and long-term outcomes, respectively.

Of 8,504 RP patients, 1,054 (12.4%) had MetS at the time of RP. MetS patients were older, had higher biopsy GS, but lower pre-op prostatic specific antigen (PSA), higher pathological GS, and larger prostate volume. Adjusted logistic regression suggested an association between MetS and positive margins (odds ratio [OR] = 1.22, P = 0.025) and GS upgrading (OR = 1.28, P = 0.002). There was evidence of an increased risk of local recurrence (hazard ratio [HR] = 1.33, P = 0.037) and CaP-specific mortality (HR = 1.58, P < 0.001) for MetS patients. There was no evidence to suggest an association with BCR or systemic progression.

Men with MetS are at higher risk of GS upgrade and positive surgical margins at surgery, local recurrence, and CaP-specific mortality. Pathological stage, BCR, and systemic progression were not associated with MetS. Our data may be useful in patients' counseling, especially when active surveillance is an option.

Urologic oncology. 2018 Nov 13 [Epub ahead of print]

Alessandro Morlacco, Fabrizio Dal Moro, Laureano J Rangel, Rachel E Carlson, Phillip J Schulte, Karnes R Jeffrey

Department of Urology, Mayo Clinic, Rochester, MN; Dipartimento di Scienze Chirurgiche, Oncologiche e Gastroenterologiche, Clinica Urologica, Università degli Studi di Padova, Padova, Italy., Dipartimento di Scienze Chirurgiche, Oncologiche e Gastroenterologiche, Clinica Urologica, Università degli Studi di Padova, Padova, Italy., Department of Health Sciences Research, Mayo Clinic, Rochester, MN., Department of Urology, Mayo Clinic, Rochester, MN. Electronic address: .

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