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Biomedical subjects

M K Gelbard

Publications and source records attributed to M K Gelbard.

9 recordsLinked to original sources

Expanding contractures of the tunica albuginea due to Peyronie's disease with temporalis fascia free grafts.

We describe a procedure to expand contractures of the tunica albuginea by multiple full thickness relaxing incisions followed by inlay of tailored temporalis fascia free grafts. This technique is performed without resection of the tunica albuginea, although in the case of calcified plaques the calcifications themselves are removed, preserving the overlying tunica. Between September 1988 and February 1990, 12 patients have undergone this procedure, all of whom have greater than 3 months of followup and have experienced spontaneous erections within the first week postoperatively. Of the patients 11 resumed intercourse within 8 weeks of surgery and 1 required 12 weeks. No patient had sensory loss postoperatively and there has been no donor site morbidity. Correction of curvature was accomplished in all patients and there have been no recurrences within a maximal followup of 22 months. Within the limitations of such a small study we believe that there is evidence supporting this approach in potent patients with severe acquired penile curvature.

Fascia

The natural history of Peyronie's disease.

The natural history of Peyronie's disease was evaluated in 97 men by means of a questionnaire. Disease duration ranged from 3 months to 8 years. Questions addressed pain, bending, ability for intercourse, over-all effect of the disease, psychological effects, treatments received and degree of disease progression. Approximately 40% of the patients found pain, bending, ability for intercourse and over-all effects to be unchanged during the course of the disease. Bending and ability for relations worsened in 40% of the patients during the same interval, while only 6% had worsening of pain. Of the patients 77% reported psychological effects due to Peyronie's disease, which improved in 28%, did not change in 36% and worsened in 36%. Over-all, 13% of the patients believed the disease to be one of gradual resolution, 47% believed there had been little or no change and 40% believed that the disease pattern was one of gradual progression. We found no statistically significant association between disease duration and spontaneous improvement in penile bending. A similar lack of statistical significance was found when improvement in a variety of categories was compared in patients who received no therapy versus those who received a variety of conventional medical therapies.

Attitude to Health

Dystrophic penile calcification in Peyronie's disease.

Plain film radiography was performed in 66 consecutive patients with Peyronie's disease. Dystrophic calcification was noted in 22 patients (33 per cent). Patients with dystrophic calcification were younger (p less than 0.025) and had a more severe deformity (p less than 0.05) than those without calcification.

Adult

Humoral immune responses in Peyronie's disease patients receiving clostridial collagenase therapy.

Human IgG and IgE antibody responses to clostridial collagenase (Nucleolysin) were monitored in 150 untreated healthy blood donors and 44 patients receiving intrapenile injections of collagenase for treatment of Peyronie's disease. Pre, 1 and/or 2 month post treatment sera were analyzed in radioimmunoassays for human IgG and IgE antibodies using solid phase purified Cl. histolyticum collagenase to extract antibodies from serum and 125I-Protein A or rabbit anti-human IgE to detect bound IgG and IgE, respectively. IgG and IgE antibody levels greater than 2.5 Units and 0.2 per cent Bmax, respectively, were considered positive if the binding was greater than 80 per cent inhibitable with soluble collagenase. IgG anti-collagenase was detected in 34 per cent of the 150 healthy controls and 58 per cent (24/41) of untreated Peyronie's disease patients. Intralesional injection of 3,000 to 12,650 Units of collagenase induced an increase of two- to 10-fold in the IgG levels at one to two months in 88 per cent of patients. Of the 186 individuals tested, only one (0.5 per cent) had detectable collagenase-specific IgE antibody in his serum as defined by positive threshold and antigen inhibition criteria.

Adult

The use of collagenase in the treatment of Peyronie's disease.

Purified clostridial collagenase was administered intralesionally in 31 men with Peyronie's disease. Within 4 weeks of treatment 20 patients showed an objective improvement. Pain was eliminated in 13 of 14 patients with this complaint at presentation within the same 4-week period. The ability to have intercourse was restored in 3 of 4 patients with this problem. Except for a small corporeal rupture at the site of injection in 1 patient, no significant untoward effects were noted. During the mean 9.8-month followup 1 recurrence of bending was noted.

Adult