Biomedical subjects
Publications and source records attributed to A Amerio.
The authors review their two-year experience of hernioplasty using a modified version of Shouldice's technique which includes the employment of a polyglyconate monofilament. Although the series of patients is chronologically limited, the findings appear to confirm that this is a valid alternative to other techniques proposed to date for treating inguinal hernia.
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The mortality rate of 67 sequential cases of acute renal failure (ARF) accompanied by jaundice was compared with the mortality rate of 168 patients without jaundice. The mortality rate in the group of jaundiced patients was 57%, significantly greater (p less than 0.05) than the 42% mortality in patients without jaundice. The mortality rate correlated with serum bilirubin levels; patients with serum bilirubin greater than 20 mg% had a mortality rate of 85%, whereas patients with levels lower than 10 mg% had a mortality rate of only 33%. Average blood pressures were significantly lower (p less than 0.01) in patients with jaundice than in those without. The data indicate that: (1) ARF accompanied by jaundice carries a worse prognosis; (2) reduced blood pressure which accompanies this condition may be an aggravating factor, and (3) serum bilirubin levels may be used as a prognostic index.
The principal aim of this study is to set up a new microsurgical technique that can be reproducible easily for the execution of orthotopic homograft of stomach in rat. The vascularization of homograft is given, for arterial district by a termino-terminal anastomosis between celiac artery of donor and right renal artery of receiving, and, for venous district, by a termino-lateral anastomosis between portal vein of donor and vena cava of receiving. The middle survival of rats that were had a graft, in this first stage of research, has been of 3 days, therefore it hasn't't been possible to look into the function of graft.
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In examining some procedures of general evaluation of the operative risk the Authors direct their attention to the performance of cell-mediate reactivity skin tests and consider a set of 42 patients (of whom 11 as controls, and 31 "high risk"). The results obtained are interesting and evidence the high reliability of these tests in evaluation of infective morbidity and mortality in neoplastic and non-neoplastic patients: in fact a negative response means high morbidity and mortality while a positive response corresponds to normal surgical healing. In tumoral patients, moreover a relationship between skin tests and clinical stage of the disease is observed: negativity of the test means a terminal stage and hence absolute inoperability: positivity corresponds to an advanced stage and hence relative operability (exploratory laparatomy and thoracotomy). The Authors conclude by stressing that the tests have a practical utility and prognostic value higher than those of other methods.
The AA. intend to study the healing process of digestive sutures in dog that have been made with mechanical instruments that have metal agraphes. The used instruments are the American models of United Surgical Corporation in New York that have: --LDS pliers; --GIA pliers; --TA mod 90, 55, 30, pliers. They had made 15 operations of digestive surgery: gastric resections sec. Billroth II, anastomoses of ileum, colic anastomoses. In total they have made 45 sutures. After an established period the same animals were operated on again for controlling the results of made operations and the macro and microscopic evolution of sutures. The study of healing has shown a quick and exact repairing process for first intent, different from sutures that are made manually with threads that, notoriously, develop slowly for second intent.
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The reasons why intensive care units have become essential are examined. The purpose of such units is to modify the organization of hospital assistance according to the concept of progressive treatment in line with the gravity of the disease concerned. Monitoring techniques as a function of the patient's gravity are outlined and the use of electronic processing as a valuable contribution to the surgeon in providing him with a complete and speedy physiological profile of the seriously ill patient is recommended. Finally, the cost of intensive care units is examined and to keep it down careful attention must be paid to the type of pathology admitted to such units. In spite of this by no means negligible factor, institution of such units is still recommended as quickly as possible, their organization being moulded to the situation in question.
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