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Fifty-six patients with limb-threatening ischaemia had pedal revascularization with either autologous vein (n = 39) or sequential composite graft with a 6-mm polytetrafluoroethylene prosthesis and autologous vein (n = 17); 75 per cent had gangrene and skin necrosis and 25 per cent had ischaemic rest pain alone. Twelve grafts occluded within the first week, and resulted in major amputation in eight patients after unsuccessful revision. Two patients required amputation for persistent ischaemia despite a patent bypass. One patient died from bowel perforation (2 per cent). In 47 (84 per cent) of the 56 patients limb and life were preserved. The primary patency rate after 1, 2 and 4 years was 65, 55 and 55 per cent respectively, the secondary patency rate was 71, 62 and 62 per cent, and cumulative limb salvage rates were 77, 71 and 66 per cent. Life-table survival rates during follow-up (median 25 (range 0-112) months) were 89, 78 and 52 per cent respectively after 1, 2 and 4 years. Thirteen of 21 patients who died during follow-up did not require major amputation. Pedal reconstruction with autologous vein provides limb salvage until death in nearly two-thirds of patients with critical limb ischaemia resulting from crural arterial occlusive disease.

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The occurrence of aortic dissections after deceleration trauma is commonplace but aortic injuries after blunt trauma are extremely rare complications. We report a case of an acute aortic rupture accompanied by a type B dissection after a skiing accident with blunt thoracic trauma and renal contusion. The leading symptom was the onset of hematuria 12 h later. The computed tomography (CT) angiography permitted the exact diagnosis and the patient was transferred for acute thoracic endovascular aortic repair. This regimen resulted in the patient achieving a stable condition and potentially harmful complications could be avoided.

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A 67-year old woman had noticed increasing growth of hair on the face and extremities for eight months. The testosterone level was raised at 2.6 micrograms/l and 24-hour urinary cortisol excretion was 160 micrograms. Ultrasound scanning showed a tumour measuring 14 x 10 x 10 cm in the left suprarenal, as well as several irregular space-occupying lesions in the liver, some of which were echo-rich. By computed tomography these structures were hypodense and did not concentrate any contrast medium. A provisional diagnosis of suprarenal carcinoma with hepatic metastases was accordingly made. After surgical removal of the suprarenal carcinoma the hormonal parameters unexpectedly returned to normal. Repetition of the computed tomography failed to elucidate the nature of the liver lesions. However, superselective hepatic angiography revealed the typical picture of haemangiomas of the liver. The existing computed tomograms were therefore reviewed. The diagnostic error was found to be due to incorrect timing of the interval between injection of contrast medium and performance of computed tomography.