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Biomedical subjects

R F Jeffery

Publications and source records attributed to R F Jeffery.

11 recordsLinked to original sources
PubMed1983

Microscopic penile revascularization.

A total of 8 patients with vasculogenic erectile impotence underwent revascularization by bilateral anastomosis of the inferior epigastric arteries to the dorsal penile arteries. All patients were followed for a minimum of 1 year postoperatively. Of the 8 patients 6 had successful long-term results. The techniques of patient selection, pudendal angiography and surgical revascularization are presented.

Adult↗
PubMedDate not supplied

Automated percutaneous lumbar discectomy: a prospective multi-institutional study.

PURPOSE: A prospective study in 10 independent hospitals from 1992 to 1994 evaluated automated percutaneous lumbar discectomy (APLD) with a newly designed percutaneous instrument. MATERIALS AND METHODS: One thousand five hundred eighty-two APLD procedures were performed in 1,525 patients with disc herniation or back pain. Mean follow-up after APLD was 18.3 months. Follow-up of at least 1 year was available in 1,474 patients. One thousand two hundred eighty-nine patients had sciatic pain and 185 had back pain only. Eight hundred twenty-two patients had symptoms for less than 2 years, 652 for more than 2 years. One thousand two hundred sixty-two patients were older than 60 years, 212 were younger than 60 years. Nine hundred fifty patients had disc protrusion, and 357 had sequestration. Forty-eight patients had disc or longitudinal ligament calcification. Twenty-two had previous surgical discectomy. All discectomies were done with use of a straight needle with the patient in the lateral decubitus position. RESULTS: Success rate (measured by Hijikata's criteria) was 83% at 1 year. Success was significantly greater for protrusion versus sequestration (86% vs 72%, P < .001); for back pain alone versus leg and back pain (89% vs 80%, P < .005); for duration of symptoms less than 2 years versus more than 2 years (85% vs 79%, P < .005); and for age younger than 60 years versus older than 60 years (84% vs 76%, P < .01). Among postsurgical patients, success rate was 77% (17 of 22 patients). The only complication was discitis (0.06%, nine patients). Technical success at L5-S1 was 99% (795 of 800). CONCLUSION: APLD with Teng's instrument has excellent results. Indications may include back pain alone. A straight needle can be used at L5-S1 in most patients, with proper positioning.

Diskectomy, Percutaneous↗