title: Impact of obesity on functional and oncological outcomes in radical perineal prostatectomy.
abstract: BACKGROUND
  We evaluated the impact of obesity on perioperative morbidity, functional, and oncological outcomes after radical perineal prostatectomy (RPP).
  
  
  METHODS
  A total of 298 consecutive patients underwent RPP at our institution. Patients were categorized into 3 groups based on their body mass index (BMI): Normal weight <25 kg/m(2) (Group 1), overweight 25 to <30 kg/m(2) (Group 2), and obese ≥30 kg/m(2) (Group 3). We compared the groups with respect to perioperative data, postoperative oncologic, and functional outcomes. Evaluation of urinary continence and erectile function was performed using a patient-reported questionnaire and the International Index of Erectile Function-5 questionnaire, respectively, administered preoperatively and at 3, 6, and 12 months. Limitations included short follow-up time, retrospective design and lack of a morbidly obese group.
  
  
  RESULTS
  No significant differences were found among the 3 groups with regard to operative time, estimated blood loss, length of hospital stay, catheter removal time, positive surgical margin, and complication rates. At 12 months, 94.7%, 95% and 95% of normal, overweight and obese patients, respectively, were continent (free of pad use) (p = 0.81). At 12 months, 30.6%, 29.8% and 30.4% of patients had spontaneous erections and were able to penetrate and complete intercourse in Group 1, Group 2, and Group 3, respectively (p = 0.63).
  
  
  CONCLUSIONS
  In this cohort of patients, no clinically relevant risks were associated with increasing BMI.
authors.affiliation: Department of Urology, Istanbul Medipol University, Istanbul, Turkey.
authors.forename: Bulent
authors.initials: B
authors.lastname: Altay
authors.affiliation: Department of Urology, Istanbul Medipol University, Istanbul, Turkey.
authors.forename: Bulent
authors.initials: B
authors.lastname: Erkurt
authors.affiliation: Department of Urology, Istanbul Medipol University, Istanbul, Turkey.
authors.forename: Vahit
authors.initials: V
authors.lastname: Guzelburc
authors.affiliation: Department of Urology, Istanbul Medipol University, Istanbul, Turkey.
authors.forename: Murat Can
authors.initials: MC
authors.lastname: Kiremit
authors.affiliation: Department of Urology, Istanbul Medipol University, Istanbul, Turkey.
authors.forename: Mustafa Yucel
authors.initials: MY
authors.lastname: Boz
authors.affiliation: Department of Urology, Istanbul Medipol University, Istanbul, Turkey.
authors.forename: Selami
authors.initials: S
authors.lastname: Albayrak