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Men's Health
March 25, 2022
- By Charlie Schmidt, Editor, Harvard Medical School Annual Report on Prostate Diseases
An operation called a radical prostatectomy has long been a mainstay of prostate cancer treatment. Offered most often to men whose cancer has not yet begun to spread, it involves removing the entire prostate gland, and can be performed in different ways. With the traditional "open" method, surgeons remove the prostate through an 8-to-10-inch incision just below the belly button. Alternatively, surgeons can perform a robot-assisted radical prostatectomy. With this approach, miniaturized robotic instruments are passed through several much smaller incisions in the patient's abdomen. Surgeons control these instruments remotely while sitting at a console.
At least 85% of all radical prostatectomies in the United States today are performed robotically. But how do those high-tech surgeries compare with the traditional open method?
Most studies show no major differences between the procedures in terms of patient survival or their ability to control prostate cancer over the long term. Robotic prostatectomies ostensibly offer quality-of-life advantages for urinary function and sexual health. However, the supporting evidence comes mostly from doctors' reports, insurance claims-based data, or studies too small to generate definitive conclusions.
Now, results from a much larger comparative study provide needed clarity.
During the study, researchers from Harvard-affiliated hospitals and other academic medical centers in the United States followed 1,094 men who were treated with radical prostatectomy between 2003 and 2013. All the men had newly-diagnosed cancer that was confined to the prostate gland. Among them, 545 men had an open radical prostatectomy, while the remaining 549 men had a robot-assisted operation. Then at two-, six-, 12-, and 24-month intervals, the men responded to questions about their urinary and bowel functioning, ability to engage in sexual activity, energy levels, and emotional state.
What the study found
According to the results, both methods were equally effective at removing cancer from the body, and post-surgical complications between them occurred relatively infrequently. However, there were some short-term differences between the two approaches. For instance, the robotically-treated men had shorter lengths of hospital stay (1.6 days versus 2.1 days on average), and they also reported lower pain scores after surgery. Men who underwent robotically-assisted surgery also reported fewer complications such as blood clots (10 men versus three men), urinary tract infections (33 men versus 23 men), and bladder neck contracture, which is a treatable condition that occurs when scarring in the bladder outflow makes it hard to urinate. In all, 45 men experienced a bladder neck contracture after open surgery, compared to nine men treated with the robotic method.
"With regard to urinary and sexual health, there were no appreciable average long-term differences between the two approaches," said Dr. Peter Chang, a urologist at Harvard-affiliated Beth Israel Deaconess Medical Center in Boston, and the study's lead author, in an email. "This suggests that with high-volume providers in academic centers, quality-of-life outcomes between open and robotic prostatectomy are similar."
Dr. Marc Garnick, the Gorman Brothers Professor of Medicine at Harvard Medical School and Beth Israel Deaconess Medical Center, and editor of Harvard Health Publishing Annual Report on Prostate Diseases, agreed with Dr. Chang's conclusions. "This important study adds clarity to ongoing debates over the superiority of open versus robotic prostatectomy, and confirms little differences between the two methodologies, both in terms of patient satisfaction/outcomes and efficacy of cancer treatment," he said. "The skill and familiarity of the surgeon in performing either method of prostate removal by open or robotic approaches should guide the specific treatment choice."
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As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
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Comparing traditional and robotic-assisted surgery for prostate cancer - Harvard Health
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