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Medical Forum / Diseases and Disorders / Prostate BPH / June 2004pvp = torch
Please correct me if I am wrong, but by looking at some of the information about PVP and other Laser methods I came to the conclusion that with all of these methods the physician is using the apparatus as a torch to burn away tissue. The PVP is a different wavelength and it may be more focused that the others and it may penetrate less deeply, but still in the end it is just another torch and the skill of the physician is the most important factor then in how they use one of these to fix the problem presented to them. You will get a better result from a better physician that uses a older laser technology than from a not so good physician using the most modern one. Similar for microwave technologies. Comments? Liz, Your decription of PVP is incorrect. At the 532 nm wavelength tissue is vaporized not burnt. Take a look at www.laserscope.com for a complete description. Patrick > Please correct me if I am wrong, but by looking at some > of the information about PVP and other Laser methods I [quoted text clipped - 12 lines] > > Comments? > Please correct me if I am wrong, but by looking at some > of the information about PVP and other Laser methods I [quoted text clipped - 12 lines] > > Comments? You sure are correct when you said the skill of the physician (surgeon) is a very important factor. I'm not certian about the better with older (different) lasers than a fair with the 532mn laser, which is just a Nd Yag laser with a KTP crystal splitter to half the wavelength. But that is very important, because the 532 nm wavelength is only adsorbed by hemoglobin, and not water. So the only "burning" is the cauterization of the blood vessels and not the tissue which is 90% or so water. The heat from the 532 nm wavelength is what causes the water to boil, but not burn. Jack > Please correct me if I am wrong, but by looking at some > of the information about PVP and other Laser methods I [quoted text clipped - 14 lines] > > Sorry but you are ill informed The older laser technologies have basically been abandoned by good Uros because of the bad effects of them PVP uses greenlight laser which is highly selective and only affects the red cells in the prostate and not the muscle cells at the sphincter hence less damage Gordon Muir at Kings College Hosp London has experience of most lasers in the past along with TURP ..........as he says if he or any member of his family needed prostate op then PVP would be the only choice to make .......he has abandoned TURP and the hospital ward is no longer bed blocked by elderly men with retention instead they are quickly and effectively treated with PVP and virtually no time spent in the hospital |
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