Biomedical subjects
Publications and source records attributed to A P Jayatunga.
Necrotizing fasciitis continues to carry a very high mortality and prolonged morbidity. Gallstones have previously not been reported as a cause of this condition. We report a patient who presented with gallbladder perforation leading to necrotizing fasciitis of the anterior abdominal wall. The only organism isolated was Escherichia Coli, cultured from necrotic issue.
Pyomyositis is a primary pyogenic infection of skeletal muscle, leading to the formation of intramuscular abscesses. Although common in tropical climates, it is infrequent in temperate zones. We report a patient who developed the condition without travelling to tropical areas.
Phantom limb pain may appear in up to 85% of patients after amputation. There is no effective treatment. Perioperative epidural infusion of morphine and bupivacaine, alone or in combination, is effective in preventing phantom limb pain in patients with pre-existing limb pain. Serious side-effects, however, make them difficult to manage on a general ward. Clonidine has been shown to be an effective postoperative analgesia when applied epidurally. To mitigate the potentially serious side-effects of all these drugs, we have studied their combined efficiency in preventing phantom limb pain in a prospective controlled study of 24 patients undergoing lower limb amputation. In the study group (n = 13), an epidural infusion containing bupivacaine 75 mg, clonidine 150 micrograms and diamorphine 5 mg in 60 ml normal saline was given at 1-4 ml/h 24-48 h preoperatively and maintained for at least 3 days postoperatively. The control group (n = 11) received on-demand opioid analgesia. Pain was assessed by visual analogue scale at 7 days, 6 months and 1 year. At 1 year follow-up, one patient in the study group and eight patients in the control group had phantom pain (P < 0.002) and two patients in the study group versus eight patients in the control group had phantom limb sensation (P < 0.05). There was no significant improvement in stump pain. We conclude that perioperative epidural infusion of diamorphine, clonidine and bupivacaine is safe and effective in reducing the incidence of phantom pain after amputation.
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A retrospective analysis in the form of an audit into the management of infantile hypertrophic pyloric stenosis in a district general hospital has revealed that the results are equivalent to that of published data from specialised units. It is stressed in this study that close co-operation has to be maintained between paediatricians and surgeons in the care of these infants. The diagnosis can be made on clinical grounds in the majority of cases. The operation has to be carried out by experienced surgeons and anaesthetists. The morbidity can be minimised under these circumstances and pyloromyotomy can be performed safely in a district general hospital.
Three cases of digital vasculitis attributable to naproxen ingestion are reported. The vasculitic changes were reversed by withdrawal of the drug. These three cases emphasize the need to consider drug sensitivity as a cause of unexplained digital vascular lesions.