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R J Opsomer

Publications and source records attributed to R J Opsomer.

At least 19 recordsLinked to original sources
PubMed1996

Sympathetic skin responses from the limbs and the genitalia: normative study and contribution to the evaluation of neurourological disorders.

The autonomic innervation of the limbs and the genitalia was studied by means of electrical stimulation of the median nerve at the wrist and the dorsal nerve of the penis/clitoris and recording of sympathetic skin responses from the hand, the foot, and the perineum. In males, the response was also recorded from the penile shaft following median nerve stimulation. Normative data were obtained from 40 healthy volunteers (20 men and 20 women). The clinical contribution of these tests was investigated in a series of 42 patients referred to our laboratory for urinary and/or sexual disorders. Sympathetic skin responses are helpful in the evaluation of sexual impotence and of disorders affecting the pelvic floor as well as of well-known neuropathies.

Adolescent↗
PubMed1996

[Treatment of hypospadias: 15-year experience].

Numerous hypospadias correction techniques were described in the literature. The technique varies according to the position of the meatus and the importance of the chordee. These new techniques and the care taken in the manipulation of the tissues tend to decrease complications like stenoses and fistulas, frequent in the long urethroplasty. The correction of hypospadias should conform to aesthetic and plastic surgery. More than 300 corrections were carried out in our service. Surgical technique varied in the long run. Currently, we choose as often as possible a correction in one time: release of the chordae and urethroplasty. Straightening of the penis is obtained on one hand by release of the cutaneous chordae and wide dissection of the hypoplastic urethral plate and one or more dorsal plications according to Nesbit are carried out if it proves necessary. In the distal, glandular and coronal forms, the correction is of type M.A.G.P.I. (meatal advancement, glanduloplasty). The complication rate is extremely low. The aesthetic and functional result is very satisfactory. In the proximal forms, Duckett technique is used only in the obligatory cases given the large number of complications. It is generally replaced by Onlay technique. The urethral plate is left in continuity and serves as support to the pedicled and vascularized flap. In the intermediate situations with a middle shaft hypospadias, Mathieu technique is again of application. The aesthetic and functional result of this type of surgery requires good knowledge and careful application of the technique adapted to each case.

Adolescent↗
PubMed1996

[Complications of intravesical mitomycin chemotherapy, apropos of 2 clinical case reports].

Administration of intravesical chemotherapy by mitomycin C (MMC) is an adjuvant treatment of the recurrent superficial bladder cancer. Since use of MMC in 1967, many different toxicities were reported. Those are local toxicities. Systemic toxicity is rare. At the hand of 2 cases reports and recent literature, we discuss the possible complications of intravesical therapy with MMC.

Administration, Intravesical↗
PubMed1995

[Percutaneous treatment of tumors of the upper urinary tract].

In our Institution, 23 patients were selected for percutaneous resection of tumors of the upper urinary tract. Two patients underwent a second procedure: the first for ipsilateral recur and the second for an heterolateral tumor. Among these 23 patients, 11 presented a benign tumor, 9 were treated for a transitional carcinoma of whom 2 invasive state. Both underwent a nephro-ureterectomy. For the 7 superficial transitional carcinomas, the mean follow-up period is 30.4 months. The ipsilateral local recurrencee is 14.3% (1/7), and concern a poorly differentiated tumor (G III). The advantage of the endoscopic techniques to explore and treat the upper urinary tract tumors is double. With these techniques, we can diagnose and treat adequately benign tumors which don't justify radical surgery. In the case of transitional tumors, the percutaneous way is an acceptable method of management when it appears better to avoid a radical treatment (solitary kidney, bilateral synchronous tumors, impairment of total renal function, general injuries). However, it must be performed only in selected cases, and patients should be carefully selected.

Aged↗
PubMed1995

Female urinary incontinence: imaging by or for the urologist.

The author reviews the imaging techniques useful in the evaluation of female urinary incontinence: voiding cystourethrography and videoradiourodynamics. Voiding cystourethrography allows to disclose two forms of bladder base suspension defects: anterior and posterior suspension defects. It will be performed before surgery. Videoradiourodynamics will be limited to patients with recurrent urinary incontinence following unsuccessful surgery.

Female↗
PubMed1995

[Laparoscopic treatment of recurrence and embolization failure of varicocele].

Varicocele is a benign pathology, for which the less invasive treatment is percutaneous embolisation. Literature reports results from 70 to 85% (1,2). Laparoscopic treatment seems to be a good alternative for patients suffering from a recurrence, or patients who can not be embolised. We report our experience concerning the first 13 patients treated with laparoscopic technic. In all 13 cases it was possible to practice the technic, and patients were cured.

Adolescent↗
PubMed1995

[Mucous prolapse of the urethra].

Urethral prolapse represent a rare cause of urological consultation. Frequent in older women, it also happens in under 10-year-old little girls with a racial predominance. For most cases, medical treatment and follow-up are sufficient, but failure of these or possible complications may necessitate a surgical correction. Circumferential excision and muco-mucous suture are effective treatments with very few complications. About four case-reports, we are reviewing here the literature and discussing etiopathogenic mechanisms and therapeutic options for this disease.

Aged↗
PubMed1994

Undetectable prostate-specific antigen in aging men.

Undetectable prostate-specific antigen was found in three aging men despite the absence of any prostatic surgery or exogenous hormonal deprivation. Clinical and elementary hormonal workup revealed the presence of secondary hypogonadism. This finding confirms the hormonal dependency of this prostatic marker and may, in some cases, explain the discrepancy between prostatic volume and the value of serum prostate-specific antigen.

Aged↗
PubMed1994

Long-term results and late recurrence after endoureteropyelotomy: a critical analysis of prognostic factors.

Of 102 consecutive endoureteropyelotomy cases followed for 1 to 10 years (mean 5) late recurrence was observed in 13% and long-term success was achieved in 73%. Of 67 cases with an available preoperative angiogram a strong association was noted between the existence of a vessel crossing the ureteropelvic junction and high grade hydronephrosis, and final failure and/or recurrence: long-term success rate was 39% when both factors were present and it was 95% when neither factor was present. Therefore, we recommend that the presence of a vessel should be determined preoperatively since it significantly influences the outcome.

Confidence Intervals↗
PubMed1994

[Electrophysiological study of the distal motor branch of the internal pudendal nerve].

The authors describe their experience with the Swash technique. It consists of the measurement of the latency over the distal segment of the motor branch of the pudendal nerve following a transrectal stimulation of the pudendal nerve during a rectal examination. The response is picked up from the anal sphincter by the use of a surface electrode and from the bulbocavernosus muscle with a needle electrode.

Adult↗
PubMed1994

[Varicocele: treatment via percutaneous approach].

The varicocele is benign pathology which sometimes involves disorders of testicular growth. Those can cause a hypofertility. We saw in a retrospective way the 243 patients having been treated by percutaneous embolisation from May 1985 to August 1993. At 150 patients being 1 year at least of postoperative retreat, 70% of cases present a cure, 15% of patients repeated and were taken again surgically. At 8% of patients, the embolisation was not technically possible for reasons of vascular anomalies or spasm of the vein during the procedure. The morbidity of this technique is low, this involves therefore a right choice of the treatment of the varicocele which does not prevent any surgical treatment in the event of repetition or in the event of technical failure.

Adolescent↗