Arizona Urology Specialists’ Dr. Micheal Darson Receives Recognition as Rezūm® Center of Excellence for Expertise in BPH Treatment

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Dr. Micheal Darson received recognition as a Rezūm Center of Excellence for his expertise in treating BPH. The Rezūm System is a revolutionary, safe and effective minimally invasive treatment option for men suffering from BPH.

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“I have opted to offer Rezūm to patients because quite simply stated, in my opinion, Rezūm is the best minimally invasive technology available to patients."

Arizona Urology Specialists announced today that Dr. Micheal Darson received recognition as a Rezūm® Center of Excellence for his expertise in treating benign prostatic hyperplasia (BPH), or enlarged prostate. Dr. Darson surpassed the milestone of treating 100 patients with the Rezūm System, providing improved quality of life for men suffering from lower urinary tract symptoms caused by BPH.

The Rezūm System is a revolutionary, safe and effective minimally invasive treatment option for men suffering from BPH that does not require general anesthesia and provides an alternative to a lifetime of taking BPH medications. Dr. Darson, a board-certified urologist, offers Rezūm as an in-office BPH treatment option at Arizona Urology Specialists in Scottsdale, and is dedicated to bringing his patients new BPH therapies that preserve sexual function and offer a rapid return to normal activities.

BPH is one of the top 10 most common and costly conditions affecting 14 million American men aged 50 or older, with nearly one million new diagnoses each year. BPH causes significant quality of life issues including lack of sleep, anxiety, challenges with sexual function and limits to daily activities.

“Being named a Rezūm Center of Excellence means a great deal as it recognizes the fact that I have been able to help so many patients with this technology,” says Dr. Micheal Darson. “I have opted to offer Rezūm to patients because quite simply stated, in my opinion, Rezūm is the best minimally invasive technology available to patients. You can use this technology on every prostate and tailor the treatment to each individual patient. This is in stark contrast to other medical devices on the market that only are effective on certain types of prostate anatomy.”

Developed by NxThera, Rezūm is performed in a physician office or outpatient setting. Rezūm uses the natural thermal energy stored in water vapor, or steam, to treat the enlarged and obstructive prostate tissue that causes BPH symptoms such as frequency, urgency, irregular flow, weak stream, straining and getting up at night to urinate. The water vapor is delivered into the targeted prostate tissue and when the vapor contacts the tissue it condenses, releasing the stored thermal energy, causing the obstructive prostate tissue cells to die. In the weeks following a Rezūm procedure, the body’s natural healing response eliminates the treated tissue, shrinking the prostate. As the extra tissue is removed, the urethra opens back up, reducing BPH symptoms and improving the patient’s quality of life. Studies have shown that the Rezūm treatment provides durable symptom relief and allows men to retain sexual function unlike surgical BPH treatments, which typically have higher incidences of long-term sexual side effects. To date, more than 22,000 men have been effectively treated with the Rezūm System across the U.S. and Europe.

“The Rezūm treatment was painless, and because it was minimally invasive and only required one visit, I was able to get back to my daily activities within a couple of days,” patient James says. “By the fourth week, the urgency and frequency were gone. I no longer have to figure out where the closest bathroom is before volunteering or going anywhere, and no longer have to make a million stops to go to the bathroom on car trips.”

“Our goal is to transform the lives of BPH patients across the country with the Rezūm System,” said Bob Paulson, president and CEO of NxThera. “With Dr. Darson’s expertise and advanced training with Rezūm, patients suffering from BPH in the Scottsdale area now have a minimally invasive, lasting and cost-effective alternative for the treatment of BPH so they can get back to enjoying a better quality of life.”

Highlights of the Rezūm therapy include:

  • Performed in the physician office; patients can return home immediately.
  • Does not require general anesthesia.
  • Relieves symptoms safely and effectively.
  • Is an alternative to BPH medications, eliminating the need for long-term BPH medication use.
  • Provides noticeable symptom improvement within two weeks.
  • Preserves erectile and urinary functions.
  • Allows patients to return to regular activities within a few days.
  • Considered medically necessary by Medicare and reimbursed by many private insurance payers.

Patients interested in a consultation with Dr. Darson should call 480-661-2662 to schedule an appointment.

For more information about Arizona Urology Specialists visit For more information about the Rezūm System, visit http://www.Rezū or call 888-319-9691.

About Arizona Urology Specialists
Arizona Urology Specialists is the premier provider of diagnostic services, medical treatment, and innovative surgical procedures for urological problems in the Phoenix metro area. With eight convenient locations, we offer a unique commitment to personalized care for both men and women. Whenever possible, our physicians utilize non-invasive or minimally invasive approaches to treatment. We are dedicated to being leaders in advanced cancer diagnosis and care.

About NxThera and the Rezūm System
NxThera pioneered its Convective Water Vapor Energy (WAVE®) platform technology to treat a variety of endourological conditions, beginning with BPH. The company is conducting advanced development and clinical research to potentially expand application of its technology to include the targeted treatment of cancerous prostate, kidney and bladder tissue as well as OAB. NxThera’s FDA-cleared Rezūm System is indicated to treat symptoms of BPH using thermal energy that is convectively delivered to obstructive prostate tissue in targeted, precise treatments, with minimal discomfort. Three-year clinical data demonstrates sustained improvements in LUTS, urine flow, quality of life, and preservation of sexual function. Founded in 2008, NxThera is located in Maple Grove, Minn. For more information, visit

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