Comparative Effectiveness of Prostate Cancer Surgical Treatments: A Population Based Analysis of Postoperative Outcomes
Received 25 July 2009 published online 25 February 2010.
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Purpose
Enthusiasm for laparoscopic surgical approaches to prostate cancer treatment has grown despite limited evidence of improved outcomes compared with open radical prostatectomy. We compared laparoscopic prostatectomy with or without robotic assistance vs open radical prostatectomy in terms of postoperative outcomes and subsequent cancer directed therapy.
Materials and Methods
Using a population based cancer registry linked with Medicare claims we identified men 66 years old or older with localized prostate cancer who underwent radical prostatectomy from 2003 to 2005. Outcome measures were general medical/surgical complications and mortality within 90 days after surgery, genitourinary/bowel complications within 365 days, radiation therapy and/or androgen deprivation therapy within 365 days and length of hospital stay.
Results
Of the 5,923 men 18% underwent laparoscopic radical prostatectomy. Adjusting for patient and tumor characteristics, there were no differences in the rate of general medical/surgical complications (OR 0.93 95% CI 0.77–1.14) or genitourinary/bowel complications (OR 0.96 95% CI 0.76–1.22), or in postoperative radiation and/or androgen deprivation (OR 0.80 95% CI 0.60–1.08). Laparoscopic prostatectomy was associated with a 35% shorter hospital stay (p <0.0001) and a lower bladder neck/urethral obstruction rate (OR 0.74, 95% CI 0.58–0.94). In laparoscopic cases surgeon volume was inversely associated with hospital stay and the odds of any genitourinary/bowel complication.
Conclusions
Laparoscopic prostatectomy and open radical prostatectomy have similar rates of postoperative morbidity and additional treatment. Men considering prostate cancer surgery should understand the expected benefits and risks of each technique to facilitate decision making and set realistic expectations.
Urology Service, Department of Surgery, Sidney Kimmel Center for Prostate and Urologic Cancers, and Health Outcomes Research Group, Department of Epidemiology and Biostatistics (EBE, LMJ), Memorial Sloan-Kettering Cancer Center, New York, New York
Correspondence: Urology Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, New York 10065 (telephone: 646-735-8090; FAX: 646-735-0011)
Supported by National Institutes of Health 1RC1CA146516-01 (JAE, EBE, WTL, DSY), T32-CA82088 (PTS, WTL), National Cancer Institute P50-CA92629 SPORE (PTS) and CA118189-01A2 (EBE), Sidney Kimmel Center for Prostate and Urologic Cancers, David H. Koch provided through the Prostate Cancer Foundation and Memorial Sloan-Kettering Cancer Center.
ABSTRACT