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Biomedical subjects

R F Green

Publications and source records attributed to R F Green.

29 records · Page 2Linked to original sources
PubMed1976

Traumatic common peroneal nerve palsy: a retrospective study.

A retrospective analysis of 26 consecutive cases of traumatic common peroneal nerve palsy seen during a four-year period in the Department of Rehabilitation Medicine at New York Medical College was carried out. Fifteen were complete lesions, nine were incomplete lesions, and there were two cases of neurapraxia. Among the factors studied were etiology, age, sex, associated injuries, electrodiagnostic findings, and prognosis for recovery. The ultimate functional status of the patients was evaluated up to three years following injury. Of the patients, 19.2% recovered fully, and 26.9% showed partial recovery. The maximum time of recovery was achieved in 15.5 months in complete lesions and 9.5 months in incomplete lesions. The relationship of peronneal nerve injury to fractures of the femur is emphasized. The indications for medical, surgical and rehabilitative management are discussed.

Adolescent↗
PubMed1975

Mandibular anesthesia and tooth extraction in the bottlenosed dolphin.

Anatomical dissections were done to show the innervation of the teeth and mandible of the bottlenosed dolphin (Turslops truncatus). Using structural landmarks, a method has been devised for anesthetizing the lower jaw. With this procedure teeth can be extracted and age determined by counting dentine layers in sections of etched teeth. Animals of the most desirable ages can thus be selected and the ages of animals already in captivity can be determined.

Age Determination by Teeth↗
PubMedDate not supplied

Innervation of the trapezius muscle by the intra-operative measurement of motor action potentials.

Although the surgical anatomy of the spinal accessory nerve and the cervical plexus has been extensively described, the exact motor innervation of the trapezius has been controversial. Attempts to resolve this question have involved anatomic or electrophysiologic studies in human embryos and animals. Extrapolation of the results to adult humans may not be correct. Accurate identification of muscle innervation is obtainable by intra-operative measurement of motor action potentials produced by direct stimulation of the accessory nerve and the cervical plexus. The study involved 14 patients undergoing supraomohyoid or modified neck dissections. Under direct vision, stimulating electrodes were placed on the identified nerves and motor action potentials, and latencies were recorded by surface electrodes placed over the three portions of the trapezius. In 13 patients, when the accessory nerve was stimulated, motor action potentials were obtained in 13 of 13 in the first portion, 11 of 13 in the second portion, and 10 of 13 in the third portion of the trapezius. In the last patient, the accessory nerve ended in the sternocleidomastoid muscle, and innervation of the trapezius was via C3 as demonstrated by motor action potentials. Responses when the roots of the cervical plexus were stimulated varied. Three patterns were seen: In the first group (seven patients), motor action potentials were distinct from those recorded when the accessory nerve was stimulated. Additionally, latencies were different from those of the accessory nerve. The second group (four patients) had motor action potentials that were similar to those obtained from stimulation of the accessory nerve, although their corresponding latencies were different.(ABSTRACT TRUNCATED AT 250 WORDS)

Accessory Nerve↗