Fulminant pseudomembranous colitis leading to total colonic stricture.
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Biomedical subjects
Publications and source records attributed to A Qazi.
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The cases of 9 patients with aneurysms involving the aortic arch, repaired under profound hypothermia (average, 15.5 degrees C) and circulatory arrest, are presented. Five patients underwent elective operation and 4, emergency operation. Arch resection and graft replacement were done in 7 patients. Two patients with infected pseudoaneurysms of the aortic arch received patch grafts. There were 2 deaths (22%) from coagulopathy and decerebration. Seven patients are alive and well 18 to 45 months following repair. The combination of profound hypothermia and circulatory arrest appears to be a promising solution to a difficult problem.
Forty-two reoperations for myocardial revascularization were done in 40 patients. Seventeen of them (1%) are from our series of 1,700 patients. Average number of grafts per patient was 2.27. Complications occurred in 20 patients. There was no operative or hospital (30-day) mortality. Patients classified as improved or asymptomatic constitute 82.5% of the series. Reoperations within one year were done predominantly for technical cause of failure, whereas reoperations done after more than one year were usually for disease progression. The operative technique is described as are maneuvers to help make a reoperation less hazardous. Reoperations have been accomplished relatively safely with results similar to those of initial operation.
Patch grafts frequently are used following endarterectomy for short-segment arterial disease. On occasion they are used to increase flow through stenotic areas where endarterectomy might be counterproductive. The following article delineates a fairly efficient way of preparing patch grafts in a reproducible manner. The technique involved in preparing, inserting, and suturing the patch graft is described.