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Query: UMLS:C0403608 (ureter)
 9,655 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A preliminary study of the EDAP LT.02 extracorporeal lithotriptor is presented. The apparatus includes a double isocentric detection system (ultrasonographic and radiological), facilitating the in situ treatment of ureteric stones. Seventy patients with a total of 89 urinary stones were treated by primary extracorporeal lithotripsy (ECL) with no preliminary selection. 69 stones (77.5%) were located in the kidney and 20 stones (22.5%) were situated in the ureter. Anaesthesia was only required in 2 cases. The patients received an average of 1.2 lithotripsy sessions. Out of the 70 patients treated, there were 46 (66%) complete successes, 12 (17%) partial successes and 12 (17%) failures [corrected].
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PMID:[First clinical experience with extracorporeal lithotriptor EDAP LT.02]. 130 96

Between March 1988 and March 1990, 751 patients were treated with shock wave lithotripsy using EDAP LT-01. Six hundred and eight patients had renal stones while 143 patients had stones located in the ureter. Because of difficulties in locating ureteric stones with ultrasound 92% of them were pushed back to the kidney before treatment. The mean stone size was 10 mm, range 4-30 mm. Patients with stones bigger than 15 mm had a double J-stent placed before treatment. The mean number of treatments per patient was 1.7 (range 1-8). Sixty-six per cent of the patients with renal stones were completely stone-free after ESWL monotherapy. Another 5% became stone-free after auxiliary procedures in the ureter, because of retained fragments. Fragments equal to or less than 4 mm were retained in 14% of the patients with the renal stones. Of the patients with ureteric stones mobilised back to the kidney 95% were rendered stone-free after ESWL. Most patients experienced no or very little discomfort during the treatment and only 29% of them received analgesics. General of epidural anaesthesia was given to 1% of the patients. Because of the low demand for analgesia or anaesthesia, 99% of the patients with renal stones were treated on an outpatient basis. During the second year, 74% of the patients with ureteric stones were treated on an outpatient basis.
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PMID:Outpatient-based extracorporeal shock wave lithotripsy using EDAP LT-01. 178 16

Herein we present the results of 237 ureteral calculi that had been treated, without previous manipulation, with piezoelectric extracorporeal lithotripsy (PEL) using the EDAP LT01 lithotriptor. The lumbar ureter was divided into UP1 and UP2, the segments above or below the inferior border of the kidney, respectively. Forty-seven calculi were located in UP1 and 19 in UP2. The pelvic segment of the ureter was divided into UD1 and UD2, the segment above the sciatic notch and the remaining portion of the pelvic ureter, respectively. Fifty-seven calculi were located in UD1 and 114 in UD2. Treatment was performed in 246 sessions. Localization of the calculi was achieved without difficulty in 56.9%, with difficulty in 35.3% and this could not be achieved in 7.7%. Localization became more difficult as we moved further away from the kidney and urinary bladder. The overall success rate was 83.5%. No correlation was observed between stone size and success. Most of the calculi (62%) were 6 to 10 mm in size. The incidence of satisfactory resolution of calculi increased with the operator's experience. PEL is an effective alternative in the treatment of ureteral calculi in situ. In our setting, it is our first approach in the management of calculi, fundamentally in those cases without a markedly obstructive component.
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PMID:[Treatment of ureteral lithiasis in situ with an EDAP LT01 lithotriptor]. 180 11

With EDAP LT-01 PLUS, a new extracorporeal shock wave lithotriptor which generates shock waves by 320 ceramic elements activated by the piezoelectric effect and which was produced to be used for the treatments of both urolithiasis and gall bladder stones, we performed extracorporeal shock wave lithotripsy (ESWL) on 37 patients with urolithiasis between November 22, 1989 and July 31, 1990. Thirty seven target stones of 37 patients were located in the renal calyx (11 cases), renal pelvis (3 cases), UPJ (6 cases), renal calyx and pelvis (1 case), renal calyx and UPJ (1 case), renal calyx and upper ureter (1 case), upper ureter (9 cases), middle ureter (1 case), and lower ureter (4 cases). None of the patients needed anesthesia. The average number of treatments per case was 2.9 and the average total times of treatment per case was 196 minutes. The overall stone-free rate one month after the last ESWL treatment was 54.1% (20/37), and no patients had any major side-effects. Judging from our present clinical application, we concluded that EDAP LT-01 PLUS is a useful extracorporeal shock wave lithotriptor for urolithiasis.
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PMID:[Clinical application of EDAP LT-01 PLUS on extracorporeal shock wave lithotripsy for urolithiasis]. 189 17

Herein we present the results of 237 ureteral calculi that had been treated, without previous manipulation, with piezoelectric extracorporeal lithotripsy (PEL) using the EDAP LT01 lithotriptor. The lumbar ureter was divided into UP1 and UP2, the segments above or below the inferior border of the kidney, respectively. Fourty-seven calculi were located in UP1 and 19 in UP2. The pelvic segment of the ureter was divided into UD1 and UD2, the segment above the sciatic notch and the remaining portion of the pelvic ureter, respectively. Fifty-seven calculi were located in UD1 and 114 in UD2. Treatment was performed in 246 sessions. Localization of the calculi was achieved without difficulty in 56.9%, with difficulty in 35.3% and this could not be achieved in 7.7%. Localization became more difficult as we moved further away from the kidney and urinary bladder. The overall success rate was 83.5%. No correlation was observed between stone size and success. Most of the calculi (62%) were 6 to 10 mm in size. The incidence of satisfactory resolution of calculi increased with the operator's experience. PEL is an effective alternative in the treatment of ureteral calculi in situ. In our setting, it is our first approach in the management of calculi, fundamentally in those cases without a markedly obstructive component.
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PMID:[In situ treatment of ureteral lithiasis with an EDAP LT01 lithotriptor]. 195 69

We performed extracorporeal shock wave lithotripsy (ESWL) to 5 solitary kidney patients with upper urinary tract stones (4 kidneys and 1 lower ureter) using the EDAP lithotripter LT-01 and achieved 4 complete and 1 well results. The size of stones ranged from 8 mm to staghorn and trials were 1 to 10 units. We could accomplish perfect crushing and abortion of stones in the 4 renal stone patients without any adjuvant systems as ureteral stent but nephrostomy was needed in the 1 lower ureteral stone patient developed anuria. The values of blood pressure, hematology, blood chemical constituents and urine excretion enzymes at a month after the last ESWL were not so changed compared with those of preoperation and also excretory urogram showed favorable findings. In this series decreased renal functions by ESWL were not observed. We confirmed ESWL was an effective and a safe method even in the cases of solitary kidney patients and monotherapy without any adjuvants was possible.
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PMID:[Clinical application of extracorporeal shock wave lithotripsy to 5 solitary kidney patients with upper urinary tract stones]. 195 26

Among 958 patients with renal stones who underwent extracorporeal shock wave lithotripsy (ESWL) monotherapy using an EDAP-LT01 piezoelectric lithotriptor steinstrasse developed in 55 (5.7%). Of these 55 cases stone fragments passed spontaneously in 35 (63.6%) and were treated successfully (no residual stone fragment in ureter) with repeat ESWL in 18 (32.8%). Only 2 patients (3.6%) required ureteroscopic management or open ureterolithotomy. Therefore, repeat ESWL is considered a good initial method to treat complicated steinstrasse.
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PMID:Treatment of steinstrasse with repeat extracorporeal shock wave lithotripsy: experience with piezoelectric lithotriptor. 199 95

Between April 1989 and December 1989, extracorporeal shock wave lithotripsy (ESWL) was performed on 78 outpatients using the EDAP LT-01 device without anesthesia. The locations of total 83 stones were renal pelvis and calyx (45), upper ureter (26) and lower ureter (12). Of the cases with renal stones, 28 (62%) were free of stones, and 8 (18%) had fragments 4 mm in size or less. The over-all successful rate obtained by combining these categories were 80% in renal stones, 81% in upper ureteral stones, and 92% in lower ureteral stones. As complications, gross hematuria, pain which required analgesics, fever of 38 degrees C or higher and vomiting were seen. However, no serious complications were observed.
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PMID:[Outpatient treatment with extracorporeal lithotriptor for renal and ureteral stones]. 201 70

A total of 1,241 calculi corresponding to 1,000 patients were treated with the piezoelectric EDAP-LTO1 lithotriptor. All but 1% of the calculi could be localized by ultrasonic imaging. Stone localization was easily achieved in 80% and with some difficulty in 19% of the cases. All patients had a minimum follow-up of 3 months. Stone fragmentation was accomplished in 91% of pyelic, 86% of upper, 55% of mid, 90% of lower caliceal, and 37% of staghorn calculi. Fragmentation was achieved in 4 of 5 calculi in the lumbar ureter and 5 of 11 calculi in the pelvic ureter that were treated in situ. The material and method for extracorporeal shock wave lithotripsy using ultrasonic imaging are described. The advantages and disadvantages of ultrasound versus radiologic stone localization are discussed.
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PMID:[Extracorporeal lithotripsy under echographic monitoring]. 207 63

A pulsed dye laser (Candela) was used in our lithiasis treatment center during the period 02/88-09/89 to remove 325 calculi in 278 patients, requiring 285 endoscopic instrumentations. The pulsed laser allowed to obtain fragmentation of 318 calculi, 238 of which were reduced to thin sand and 80 to coarser fragments. The latter were either cleared using a Dormia probe or further disintegrated by electrohydrolytic shock wave treatment or extracorporeal shock wave lithotripsy (ESWL). No complication imputable to laser stone fragmentation was noted. Failure of stone clearance was chiefly due to the nature and shape of the stone (black, smooth monohydrated calcium oxalate calculi). The thinness of the laser fiber has made it possible to use small caliber ureteroscopes, thereby increasing the reliability of ureteroscopy. Coupled with ESWL (EDAP LT01), this technique has caused the rate of open surgical removal of ureter confined calculi to fall from 11% to 1%.
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PMID:[Rigid ureteroscopy and the pulsed laser. Apropos of 325 treated calculi]. 221 6


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