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The impact of obesity on laparoscopic radical prostatectomy
Christopher G Eden1, Christopher M Chang, Troy Gianduzzo
1Department of Urology, The North Hampshire Hospital, Basingstoke, UK. edenchristopher@hotmail.com
Objective:
To investigate the effect of obesity on the operative variables of patients undergoing laparoscopic radical prostatectomy (LRP).
Patients And Methods:
The database entries and case-notes of 532 consecutive patients undergoing LRP from March 2000 to August 2005 were examined retrospectively. Complete data were available on 505 (95%) patients, 108 (21%) of whom were obese (body mass index, BMI, > or = 30 kg/m2). All patients had clinical stage T < or = 3aN0M0 prostate cancer and had their procedure done or supervised by the same surgeon.
Results:
The patients' prostate-specific antigen level, Gleason score, clinical stage and prostate weight were similar. The mean values for patients deemed not obese and obese were: for operative duration (182 and 197 min, P = 0.01), blood loss (310 and 250 mL, P = 0.66), hospital stay (3.0 and 3.3 nights, P = 1.00), complications (3.5% and 4.6%, P = 0.77), positive margins (15.4% and 20.6%, P = 0.26) and biochemical recurrence (3.8% and 3.7%, P = 1.00) at a mean follow-up of 9.7 and 12.0 months, respectively.
Conclusion:
The operation was significantly longer for obese patients, by a mean of 15 min; all other variables were comparable in the two groups. The results from this study suggest that obese patients can expect a similar outcome to their non-obese counterparts after LRP, when operated on by an experienced surgeon.
