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Biomedical subjects

C Mosdal

Publications and source records attributed to C Mosdal.

26 records · Page 2Linked to original sources

Cervical osteochondrosis and disc herniation. Eighteen years' use of interbody fusion by Cloward's technique in 755 cases.

Seven hundred and forty patients (mean age 51 years) underwent anterior cervical interbody fusion by the method of Cloward in an 18-year period because of cervical osteochondrosis/disc herniation. Fifty-nine needed re-spondylodesis (same or different level or levels in the period. Ninety-six percent presented with radicular symptoms or signs, or both, while seven percent presented with "long tract" symptoms and signs. Myelography was done in all cases except three. Kiel-surgibone was used in 83% of 560 one-level, 177 two-level, and 3 three-level fusions. Eighty-one percent reported total or partial relief of preoperative (predominantly redicular) symptoms and signs postoperatively, but ultimately (observation time 1-13 years) only 71% benefited with regard to neck pain, radicular brachialgia, and neuropathy, and only 42% of those with symptoms and signs of spinal cord compression benefited. Operative complication rate was 4%, and Kiel-surgibone graft problems occurred in 2% of 958 interbody fusions. Beneficial results could be related to short period of symptoms, free intraspinal disc fragments, and a cautious attitude to multi-level fusions. Cloward's interbody fusion is found to be reliable, but delineated attitude to the different types of alternative operations (disc resection, facetectomy or laminectomy) is emphasized.

Adult↗

Intradural spinal metastases.

A medullary cone metastasis from an adenocarcinoma of esophagus, and a solitary lumbar spinal nerve root metastasis from a breast carcinoma, gave rise to two cases of cauda equina syndrome. Muscle strength in the lower limbs improved postoperatively, while the disturbances of bladder, bowel, and pelvic floor function remained unchanged in the 1st case. The second patient benefited from operation, and regained useful life despite vertebral osseous involvement. It is suggested that tumour cells reached the spinal cord and the subarachnoid space by haematogeneous spread and by way of perineural lymphatics respectively.

Adenocarcinoma↗

Bladder neuropathy in lumbar disc disease.

Disturbances of bladder, function often occur in cases of sciatica due to intervertebral disc lesions, although other clinical signs of sacral root compression are absent. In 32 patients, operated upon because of lumbar disc diseases without cauda equina syndrome, micturition symptoms were registered, and bladder function was investigated. Intravesical pressure/volume relations (water cystometry) and simultaneous intravesical pressure/urinary flow relations (urodynamic examination) were recorded preoperatively together with anal sphincter surface EMG. In almost half of the patients cystometry revealed bladder hyposensibility (late first sensation), and a quarter voided mainly by straining (detrusor paresis). These findings were unrelated to the neurosurgical pathology. Pronounced micturition symptoms or abnormal preoperative urodynamic examinations indicated evaluation two months after lumbar disc operation. Two-thirds tended towards recovery, one third remained unchanged.

Adult↗

Hypokalemic myopathy during treatment with diuretics.

Two male patients with severe reversible muscle weakness and excessive potassium deficiency associated with alkalosis during treatment with diuretics are presented. The case reports are further illustrated by the morphologic changes as seen in light and electron microscopic examination of muscle biopsies. Hypokalemia and muscle dysfunction are discussed in relation to other investigations of altered potassium metabolism and myopathy during treatment with certain diuretics.

Chlorthalidone↗