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Träfflista för sökning "WFRF:(Hedberg P) srt2:(1995-1999)"

Sökning: WFRF:(Hedberg P) > (1995-1999)

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  • Bergqvist, D, et al. (författare)
  • Thromboprophylaxis with a low molecular weight heparin (tinzaparin) in emergency abdominal surgery. A double-blind multicenter trial
  • 1996
  • Ingår i: Vasa: European Journal of Vascular Medicine. - 0301-1526. ; 25:2, s. 156-160
  • Tidskriftsartikel (refereegranskat)abstract
    • In this prospective randomized double-blind study the thromboprophylactic effect of postoperative low molecular weight heparin (tinzaparin) was compared with placebo in 80 patients undergoing emergency abdominal surgery. The fibrinogen uptake test was used but because of withdrawal of the labelled fibrinogen from the market the calculated number of patients was not reached. However, this is one of the few studies in emergency abdominal surgery we thought it important to report. The frequency of deep vein thrombosis was reduced with prophylaxis from 22% (95% conf. intervall 11-38%) to 8% (2-21%), a risk reduction of 65%, which is however not significant. Together with data from the few previously published studies it can be concluded that patients undergoing emergency abdominal surgery seem to benefit from prophylaxis, which should be instituted either before operation or at latest 24 hours after. The exact prophylactic relation between pre- and post-operative start would, however, require a separate, randomized study.
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  • Carling, Tobias, et al. (författare)
  • Parathyroid MEN 1 gene mutations in relation to clinical characteristics of non-familial primary hyperparathyroidism
  • 1998
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 0021-972X .- 1945-7197. ; 83:8, s. 2960-2963
  • Tidskriftsartikel (refereegranskat)abstract
    • Biochemical signs and severity of symptoms of primary hyperparathyroidism (pHPT) differ among patients, and little is known of any coupling of clinical characteristics of nonfamilial pHPT to genetic abnormalities in the parathyroid tumors. Mutations in the recently identified MEN1 gene at chromosome 11q13 have been found in parathyroid tumors of nonfamilial pHPT. Using microsatellite analysis for loss of heterozygosity (LOH) at 11q13 and DNA sequencing of coding exons, the MEN1 gene was studied in 49 parathyroid lesions of patients with divergent symptoms, operative findings, histopathological diagnosis, and biochemical signs of nonfamilial pHPT. Allelic loss at 11q13 was detected in 13 tumors, and 6 of them demonstrated previously unrecognized somatic missense and frameshift deletion mutations of the MEN1 gene. Many of the detected mutations would most likely result in a nonfunctional menin protein, consistent with a tumor suppressor mechanism. Clinical and biochemical characteristics of HPT were apparently unrelated to the presence or absence of LOH and the MEN1 gene mutations. However, the demonstration of LOH at 11q13 and MEN1 gene mutations in small parathyroid adenomas of patients with slight hypercalcemia and normal serum PTH levels suggest that altered MEN1 gene function may also be important for the development of mild sporadic pHPT.
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