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Biomedical subjects

J F Jennings

Publications and source records attributed to J F Jennings.

13 recordsLinked to original sources

Major neurovascular complications of endoscopic carpal tunnel release.

Endoscopic carpal tunnel release is becoming an increasingly popular method of surgically correcting median nerve compression. Several complications have been suggested as possibilities following the technique; however, to date, there have been only isolated reports of iatrogenic injury to major neurovascular structures in the hand. We report both a case of transection of the median nerve and a pseudoaneurysm of the superficial palmar arch following endoscopic carpal tunnel release.

Carpal Tunnel Syndrome↗

Reduction osteotomy for triphalangeal thumb: an 11-year review.

Since 1977 we have operated on 13 of 15 triphalangeal thumbs in nine children (five boys, four girls). Follow-up ranged from 22 to 134 months (mean, 65 months). Total active motion averaged 63 degrees at the interphalangeal joint and 79 degrees at the metacarpophalangeal joint. There was no evidence of instability or laxity of ligaments. Reduction osteotomy was insufficient to shorten grossly long thumbs of two patients, and it was necessary to shorten the metacarpal. Premature closure of the phalangeal physis occurred in two thumbs but did not result in inadequate length; one postoperative pin-tract infection resulted in nonunion that required reoperation. This long-term experience supports reduction osteotomy for triphalangeal thumbs because it addresses the deformities and preserves both motion and stability.

Child↗

Amputation stump salvage using a "banked" free-tissue transfer.

A free radical forearm flap was salvaged from a nonreplantable amputated extremity and banked on the ipsilateral chest wall. Later, the flap was simply rotated to provide coverage of the proximal humeral stump, eliminating the need for a second microvascular procedure.

Adult↗

Studies on the nonspecific depression of the immune response.

Calf serum has been shown to suppress the primary immune response to erythrocytes and some bacterial antigens in mice if administered prior to and not after immunization. The importance of the route of iniection of antigens and immunosuppressant is indicated. It is suggested that immunosuppression is achieved by phagocytosis and enyzmatic destruction of the injected antigen by peritoneal macrophages. A similar mechanism is probably involved in the type of immunosuppression induced by PHA.

Animals↗