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Biomedical subjects

J P Marvel

Publications and source records attributed to J P Marvel.

10 recordsLinked to original sources
PubMed1979

Results of surgical intervention in the symptomatic multiply-operated back patient. Analysis of sixty-seven cases followed for three to seven years.

Sixty-seven of seventy-three patients who had had multiple operations on the back with an initial diagnosis of lumbar-disc disease were reevaluated as to relief of pain two and four years after the most recent operation. More than 80 per cent of the patients had gained enough relief to deem the procedure worth while. A diagnosis of fibrosis, preoperatively or intraoperatively, portended a poor result, while the opposite was true with diagnoses of mechanical compression (disc fragment or stenosis) and instability (pseudarthrosis after fusion or spondylolisthesis). The presence of a pain-free interval lasting one year from the date of the previous operation correlated highly with the presence of a surgically remediable lesion.

Adult↗
PubMed1976

Concomitant dislocation and intraarticular foreign body: a rare complication of the Charnley total hip arthroplasty.

In the Charnley total hip arthroplasty, periarticular foreign bodies represent potential foci for intraarticular migration at the time of hip dislocation. This complication, although very rare, should be verified radiographically to prevent unsucessful attempts at closed reduction. Although intraarticular radiopaque foreign bodies should be identified on plain radiographs of the hip, intraarticular radiolucent foreign bodies require positive-contrast arthrography for identification. Two illustrative cases are presented.

Aged↗
PubMed1975

The acute cervical disk.

Acute cervical disk herniations represent one facet of the broad spectrum of cervical disk degeneration. It is productive of symptoms through mechanical compression and biochemical inflammation of the nerve roots and spinal cord. The majority of patients will respond to a conscientiously applied course of conservative treatment. In those individuals who fail to respond to conservative treatment in terms of pain relief or in whom a significant neurologic deficit occurs surgical decompression of the neural elements should be undertaken.

Acute Disease↗