Transurethral needle ablation of the prostate
Template:Redirect Template:Interventions infobox Transurethral needle ablation (Also called TUNA or transurethral radiofrequency ablation) is a technique that uses low energy radio frequency energy delivered through two needles to ablate (destroy) excess prostate tissue. The energy from the probe heats and destroys the abnormal prostate tissue without damaging the urethra. It can be done with a local anesthetic on an outpatient basis. A catheter that deploys the needles toward the obstructing prostate tissue is inserted into the urethra directly through the penis under local anesthetic before the procedure begins. Transurethral needle ablation can be used to treat benign prostatic hypertrophy (BPH).
Some clinical studies have reported that TUNA is safe and effective, improving the urine flow with minimal side effects when compared with other procedures. However, other studies have reported that the procedure has a high failure rate, with the majority of patients requiring re-treatment.
The TUNA system was pioneered by Stuart Denzil Edwards of California, USA. The device was the product for a startup company called Vidamed. Vidamed was founded in 1992 by Stu D. Edwards along with Ron G. Lax, Hugh Sharky and Ingemar Henry Lundquist, in Menlo Park, California, prior to building an international global corporation headed up by Lyle F. Brotherton. The company was floated in an IPO on the US NASDAQ Stock Market in 1995 and then acquired by Medtronic in 2001.
Affects one in three adults
Affecting about 35 percent of all adults in the United States according to the CDC, metabolic syndrome contributes to weight gain, by causing a state of internal starvation called metabolic starvation. This in turn leads to increases hunger, sugar cravings and increased portions leading to overeating and weight gain.
Cause and effect misunderstood
Since we traditionally thought that the portion control (which in turn was attributed wrongly to poor will power)is the cause of weight gain, rather than the effect of this metabolic starvation, all our traditional ideas about cause and effect of obesity were not only wrong but lead to the “blame the victim” attitude when it comes to obesity.
Secret of weight gain revealed
Secret of weight gain, and metabolic syndrome revealed - it has been recently proven that metabolic syndrome, and the weight gain itself are caused by a process called insulin resistance. Check your metabolic syndrome risk using the free Metabolic syndrome meter. Watch this amazing Ted Med video that reveals the secret of weight loss - Stop blaming the victim for obesity
- Transurethral needle ablation entry in the public domain NCI Dictionary of Cancer Terms
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This article contains text derived from the public domain document at http://www.pueblo.gsa.gov/cic_text/health/prost-change/benign.htm.
- "Medtronic agrees to acquire Vidamed". incubelabs.com. In Cube Labs. 2001-12-06. Retrieved 2013-07-08.