Biomedical subjects

J Estebanez Zarranz

Publications and source records attributed to J Estebanez Zarranz.

6 recordsLinked to original sources

PubMed2000

[Stenosis following a direct uretero-ileal anastomosis technique in substitutive enterocystoplasty].

OBJECTIVES: Stenosis of the uretero-ileal anastomosis and reflux are the commonest causes of secondary deterioration of renal function following enterocystoplasty. Various direct anastomosis and antireflux techniques have been proposed in order to reduce the risk of stenosis and reflux. In this retrospective study, the authors evaluated the risk of stenosis and reflux after right uretero-ileal anastomosis on an invaginated ileal loop. MATERIAL AND METHODS: The authors evaluated the uretero-ileal anastomosis stenosis and reflux rate and problems of the invaginated ileo-ileal valve in 157 patients after bladder replacement enterocystoplasty. RESULTS: The anastomosis stenosis rate was 3.8% (6/157 patients) and all 6 patients were reoperated. Stenotic complications on the valve were observed in 1.2% of cases (2/157 patients). The total stenosis morbidity was 5% (8/157 patients). CONCLUSION: Direct end-to-end uretero-ileal anastomosis is the simplest technique associated with the lowest risk of stenosis. The low stenosis rate associated with invaginated valves is due to a modification of the valvular system (limitation of the mesenteric exclusion manoeuvre, external anchorage of the invagination and fixation by two lines of resorbable staples).

Constriction, Pathologic↗

PubMed2000

[Treatment of psoas abscess: percutaneous drainage or open surgery].

OBJECTIVE: Psoas abscess is currently an uncommon disease and is often difficult to diagnose because of its minor initial symptoms. We compare treatment by percutaneous drainage and surgery. MATERIAL AND METHODS: Five patients, all immunodepressed, which appears to be an important factor in the aetiology and pathogenesis of psoas abscess. Computed tomography appears to be the best diagnostic method. RESULTS: Three subjects underwent open surgery and developed serious complications in contrast with two patients treated by CT-guided percutaneous drainage, preceded by antibiotics. CONCLUSION: First-line percutaneous drainage appears to be the best approach at the present time, reserving open surgery for very large abscesses.

Adult↗

PubMed1998

[Permanent endoprostatic prostheses in patient with obstruction caused by benign hyperplasia of the prostate].

Presentation of the results obtained using the intraprostatic prosthesis UroLume in 78 patients wit BPH obstruction, 69 of which presented high surgical risk (ASA IV). Mean age was 79.8 years (r: 62-93). All patients carried urethral catheters, except 4 (5.1%) who had a provisional metal coil that required replacement. Prosthesis were implanted successfully in 72 cases (93.3%). The most significant exclusion criterion was an excessive length of prostate urethra. Mean follow-up was 15.3 months (r: 3-38). Mean maximum flow at 1 year after implant was 12.7 mL/sec; mean symptoms score (I-PSS score) was 6.2 points and in most prosthesis, epithelization had taken place. Three patients required implant of another prosthesis, either during the same surgical procedure (1 case) or later due to retention or dysuria (2 cases). Due to acute urine retention (AUR) during the immediate postoperative, resection of the middle lobe was performed in one case while a second case required late resection of intraluminal hyperplastic tissue. Three patients (4.1%) had haematuria that forced hospital admission some months after the implant, and three cases (4.1%) required removal of the prosthesis; at patient's request (1 case), due to calcification (1 case) and for stress incontinence (1 case). After a follow-up of over three years, it can be concluded that the UroLume prosthesis is an effective alternative to TUR in patients at high surgical risk.

Aged↗

PubMed1997

[Paratesticular lipoma].

In spite of being the most frequent benign tumour of the spermatic cord, absolute frequency of this neoplasia is very low. We discuss here a case report of an spermatic cord lipoma with several years evolution. Although ultrasound is useful for clinical diagnosis, exploratory scrototomy and surgical exeresis of the mass is the only reliable diagnosis and viable treatment.

Aged↗

PubMed1994

[Endopyelotomy. A definitive alternative to pyeloplasty?].

Endopyelotomy is a minimally invasive surgical alternative to the classic open surgery in the treatment of stenosis of the pyelo-ureteral attachment with similar success rates. This paper presents the results from 38 endopyelotomies performed between February 1989 and December 1993 in equal number of patients, 36 of them using percutaneous approach, 29 through the medium calix and 7 through the lower calix. Acucise's catheter was used in both cases. With the total of 38 endopyelotomies performed the complications and results obtained are presented as well as the results assessed by clinical, radiological and renographic criteria. The overall rate of success for endopyelotomy was 77.8%. When only improvement of urographic signs was evaluated, the success rate was lower (66.7%). In 4 clinically asymptomatic patients who showed no radiological improvement, a good response to diuretic therapy was seen in the renogram which was shown to be a basic test in the diagnosis, evaluation of results and follow-up of these patients. It is concluded that currently, endopyelotomy represents a choice technique in the treatment of stenosis of the pyelo-ureteral attachment with a low rate of intraoperative complications (3.4%). Also, it must be established that failure of this minimally invasive technique does not condition any added surgical difficulties to perform pyeloplasty.

Adolescent↗

PubMed1992

[Prostatic melanosis].

Melanin presence in the prostate can be accurately localized in epithelial cells (nevus) or in the stroma (prostatic melanosis). This article describes a new case and compiles all recorded cases as well as the theories concerning their origin.

Aged↗