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Biomedical subjects

P W Laing

Publications and source records attributed to P W Laing.

15 recordsLinked to original sources

Spontaneous tibial compartment syndrome in Type 1 diabetes mellitus.

We present a case of a patient with Type 1 diabetes mellitus (DM) who spontaneously developed severe bilateral anterior tibial compartment syndromes which required extensive surgical treatment. While infarction of skeletal muscle in Type 1 DM remains rare and usually affects the larger compartments of the thigh, this diagnosis must be entertained in any patient presenting with acute leg pain. If a patient displays any features of acute compartment syndrome, prompt fasciotomy must be undertaken.

Adult↗

Medial calcaneal osteotomy for relapsed equinovarus deformity. Long-term study of the results of Frederick Dwyer.

In the 1950s Frederick Dwyer evolved the concept of treating resistant and relapsed clubfoot by osteotomy of the calcaneum. He published the results of his medial opening wedge procedure in 1963 with a mean follow-up of five years. We present the structured, radiographic and functional results at a mean elapsed time of 27 years of 36 feet (26 patients) all operated on by Dwyer. Their mean Laaveg and Ponseti (1980) grading was 83.7%. In 94% the heel was in neutral or valgus and 86% of the feet were plantigrade. A good range of movement was present in the ankle and subtalar joints in 83%.

Calcaneus↗

Neuropathic foot ulceration treated by total contact casts.

Ulceration of the insensitive foot continues to cause great morbidity in diabetic patients. We treated 46 patients with neuropathic ulceration by applying total contact casts. Most neuropathic ulcers healed within six weeks but ischaemic ulcers did not heal. One patient developed gangrene and required partial amputation of the foot.

Adult↗

A tendon tumour presenting as a trigger finger.

A case of trigger finger in a fourteen-year-old child, presenting as locking in extension is reported. At operation a tumour arising from the superficialis tendon was found and removed.

Adolescent↗

Type C botulism in intensively farmed turkeys.

Type C botulism in turkeys has been confirmed on several production sites by demonstrating the presence of toxin in sera from affected birds. Only male turkeys were affected, mortalities being up to 30 per cent. No source of toxin was found. Possible modes of intoxication are discussed.

Animal Husbandry↗

Lameness and leg weakness in rapidly growing turkeys associated with hip lesions.

A form of epidemic lameness affecting rapidly growing broadbreasted turkeys of different breeds was investigated in 16 flocks. The condition commenced when birds were between eight and 14 weeks old and was consistenly associated with the development of lesions in the hip. Affected birds first showed leg weakness and ataxia and later chronic postural changes involving the hip. The post mortem lesions were those of inflammation, oedema, ulceration, fibrosis and complensatory hypertrophy of localised areas associated with the hip articulation. The cause was not established but the anatomical features of affected birds, their nutritional status and their apparent freedom from recognised infectious diseased are discussed.

Animals↗