Kidney and liver initial graft function under different procurement techniques.
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Biomedical subjects
Publications and source records attributed to M Frangi.
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The mortality, morbidity and long-term survival in stapled anterior resection for rectal carcinoma has been analysed in 74 patients. Twelve patients were Dukes' A, 26 B, 29 C, and 7 'D' (submitted to hepatic resection). Operative mortality rate was 3 per cent. Three patients (4 per cent) had clinical anastomotic leakage. Two patients (3 per cent) developed anastomotic stenosis. Local recurrence was present in three patients (4 per cent). The mean (+/- s.e.m.) overall survival rate at 5 years was 67 +/- 6 per cent. There was no significant difference in survival between Dukes' B and C (70 +/- 10 per cent versus 59 +/- 10 per cent, P = 0.209). Patients with absent local spread had a significantly better 5-year survival rate than those with positive local lymph nodes (80 +/- 7 per cent versus 54 +/- 9 per cent, P less than 0.01). The present results confirm the satisfactory use of the EEA stapler device for colorectal anastomoses in rectal cancer and in patients with resectable liver metastasis.
Thrombocytopenia in liver diseases has been considered secondary to portal hypertension or to a consumption mechanism associated with fibrinolytic disorders. Several conflicting clinical reports and evidence from experimental models justify the above mentioned mechanisms only in part. We propose that thrombocytopenia may be consequent to an inadequate synthesis of a factor stimulating thrombopoiesis produced by the liver.
Oxygen free radicals have been implicated in the pathogenesis of postischemic liver injury. High-dose superoxide dismutase (SOD), a radical scavenging enzyme, has been investigated in a rat model of liver ischemia reperfusion by biochemical monitoring. Blood vessels to the median and left lobe were clamped for 1 h and then reperfusion was allowed. The indices used were serial venous blood levels of AST, ALT, calcium, and ATP determination in liver tissue. In SOD-treated animals (7,5000 U i.v.) a significant attenuation of the rise in enzyme levels was observed as well as the absence of the decrease in calcium level in the early phase after reperfusion as compared with control rats, and furthermore ATP restoration was significantly increased.