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Ex-vivo comparison of the haemostatic properties of standard transurethral resection and transurethral vaporization resection of the prostate.
BJU International 2003 August
OBJECTIVE: To compare the haemostatic properties of standard transurethral resection of the prostate (TURP) and transurethral vaporization resection of the prostate (TUVRP), as perioperative bleeding is still regarded as the major complication of prostate resection.
MATERIALS AND METHODS: Isolated blood-perfused porcine kidneys were used to determine the haemostatic efficacy of TURP and TUVRP (using two different electrodes). Bleeding was quantified precisely in relation to tissue ablation for the two techniques, and specimens were evaluated histologically.
RESULTS: Both TUVRP groups had significantly less bleeding (P = 0.005) than the TURP group for a standardized ablation volume of perfused kidney tissue (18.9, 19.5 and 24.1 mL/min, respectively). The different TUVRP electrodes had no significant haemostatic differences. The histology showed significantly (P = 0.03) larger coagulation zones for the TUVRP groups than for standard TURP.
CONCLUSIONS: TUVRP ex-vivo was associated with significantly better haemostasis than TURP. The haemostatic properties of different active electrodes for TUVRP seem to be equivalent.
MATERIALS AND METHODS: Isolated blood-perfused porcine kidneys were used to determine the haemostatic efficacy of TURP and TUVRP (using two different electrodes). Bleeding was quantified precisely in relation to tissue ablation for the two techniques, and specimens were evaluated histologically.
RESULTS: Both TUVRP groups had significantly less bleeding (P = 0.005) than the TURP group for a standardized ablation volume of perfused kidney tissue (18.9, 19.5 and 24.1 mL/min, respectively). The different TUVRP electrodes had no significant haemostatic differences. The histology showed significantly (P = 0.03) larger coagulation zones for the TUVRP groups than for standard TURP.
CONCLUSIONS: TUVRP ex-vivo was associated with significantly better haemostasis than TURP. The haemostatic properties of different active electrodes for TUVRP seem to be equivalent.
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