TRANSURETHRAL ULTRASOUND-GUIDED LASER-INDUCED PROSTATECTOMY (TULIP PROCEDURE) - A CANINE PROSTATE FEASIBILITY STUDY

被引:84
作者
ROTH, RA [1 ]
ARETZ, HT [1 ]
机构
[1] LAHEY CLIN MED CTR,DEPT ANAT PATHOL,BURLINGTON,MA 01805
关键词
HYPERPLASIA; PROSTATE; ULTRASONIC DIAGNOSIS; LASERS;
D O I
10.1016/S0022-5347(17)38024-2
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
We describe the TULIP procedure, a new system to relieve bladder outlet obstruction caused by benign prostatic hyperplasia. This device is composed of a real-time 7.5 MHz ultrasound transducer coupled to a Nd:YAG laser with a 1.064-mu-m wavelength that fires through an intact intraprostatic balloon. A series of feasibility studies in 21 canine prostate glands was performed with a follow-up time to 3 months. Results indicate that the Nd:YAG laser in the 20 to 40 W range at a pull rate of approximately 1 mm. per second is an effective means of removing substantial amounts of canine benign prostatic hyperplasia. Transurethral ultrasonography was a reliable means of identifying essential landmarks and of controlling the laser. Prostatectomy by laser coagulation necrosis resulted in no bleeding or postoperative obstruction. Intraoperative irrigation fluids were not required, eliminating systemic volume related problems.
引用
收藏
页码:1128 / 1135
页数:8
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