PubMed · 3864273
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B Ellegård, O Steffensen, N Søborg. 1985. [Gingivectomy using electrosurgery and knives].. https://pubmed.ncbi.nlm.nih.gov/3864273/
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Distention media are essential in operative hysteroscopy to ensure good visualization within the uterine cavity. Carbon dioxide, dextran-70, glycine, sorbitol, mannitol, saline, and Ringer's lactate solution have all been used, but are associated with difficulties that prevent their use with instruments that achieve appropriate current densities. Three new distention media are now available that correct problems associated with the earlier products. (J Am Assoc Gynecol Laparosc 6(1):113-118, 1999)
OBJECTIVES: To evaluate the safety and efficacy of the new resection loops for transurethral resection of the prostate (TURP). These loops, which are both thicker and have a modified shape, allow simultaneous resection, increased tissue vaporization, and improved hemostasis. METHODS: Two open studies have been performed with the thick resection loop. In one series, 91 patients underwent TURP with the Vapor Cut (G. Vallancien, Paris), and in another series, 65 patients underwent Wedge (Microvasive, Natick, Mass., USA) resection (A. Perlmutter, New York). RESULTS: At 1 year follow-up, patients who underwent thick loop resection enjoyed the same clinical benefit of thin loop TURP without additional morbidity. Peak urinary flow rate improved to 18.4 and 16.3 cm3/s at 1 year with the Vapor Cut and Wedge, respectively. IPSS fell to 7.2 (Vapor Cut) and 6.2 (Wedge). Postoperative bleeding, meatal stenosis, and urethral stricture were noted, but no impotence or incontinence was observed. CONCLUSIONS: Thick loop resection offers the advantage of improved surgical vision during resection, thus allowing a more accurate and safer resection. This can be performed with only minor modifications of the standard TURP technique.
Despite subjective and objective success rates approaching 90%, significant morbidity is well documented using a wire loop for standard transurethral resection of the prostate (TURP). In an effort to minimize patient morbidity as well as limit future healthcare costs, several alternative instrumental techniques have been examined. Recent studies of transurethral electrovaporization of the prostate, a modification of existing transurethral technology, appear encouraging. The modifications which enable larger volumes of tissue to be vaporized with concurrent desiccation and coagulation are an increase in the surface area of the electrode and effective delivery of high electrical energy by electrical generators. The most extensively studied instrument is the VaporTrode. Promising early published reports of TURP-like efficacy without significant morbidity, as well as low cost, have fueled the popularity and wide application of this technique.