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Efects of plasma corticosteroid concentration on the osmotic threshold for vasopressin releasing in Chagas' disease
Kimachi, Tatsuto; Veiga, Joel P. R.; Lima-Filho, Euclydes C..
Affiliation
  • Kimachi, Tatsuto; University of São Paulo. Faculty of Medicine of Ribeirão Preto. Department of Internai Medicine. Ribeirão Preto. BR
  • Veiga, Joel P. R.; University of São Paulo. Faculty of Medicine of Ribeirão Preto. Department of Internai Medicine. Ribeirão Preto. BR
  • Lima-Filho, Euclydes C.; University of São Paulo. Faculty of Medicine of Ribeirão Preto. Department of Internai Medicine. Ribeirão Preto. BR
Rev. Soc. Bras. Med. Trop ; 16(3): 139-143, jul.-set. 1983. graf, tab
Article in English | LILACS | ID: lil-676351
Responsible library: BR1.1
ABSTRACT
The osmotic threshold for vasopressin release was studied in normal patients (n = 7) and in patients with the chronic form of Chagas'disease (n = 11). Positive correlation between osmotic threshold and plasma cortisol concentration was obtained for the Controls (y1 = 273,30 + 0,75x i; r = 0,78;P < 0,05), suggesting a modulating effect of cortisol on vasopressin release. The lack of correlation between the two parameters for the chronic chagasic patients was interpreted, on the basis of the general denervation associated with Chagas ' disease, to be the result of neuronal destruction in hypothalamic and/or extrahypothalamic centers related to the secretory control of vasopressin.
RESUMO
O limiar osmótico para liberação da vaso- pressina foi estudado em pacientes normais (n = 7) e em pacientes com a forma crônica da moléstia de Chagas (n = 11). Verificou-se a existência de uma correlação positiva entre o limiar osmótico e a concentração plasmática do cortisol endógeno para os controles (y1 = 273,30 + 0,75 x i; r = 0,78, p < 0,05), sugerindo um efeito modulador do cortisol na liberação da vasopressina. A falta de correlação entre os dois parâmetros, para os pacientes chagásicos crônicos, interpretou-se, baseando-se na desnervação geral associada com a doença de Chagas, como sendo o resultado da destruição neuronal em centros hipotalâmicos ejou extra-hipotalâmicos relacionados com o controle secretário da vosopressina.


Full text: Available Collection: International databases Health context: SDG3 - Health and Well-Being / Neglected Diseases Health problem: Target 3.3: End transmission of communicable diseases / Chagas Disease / Neglected Diseases Database: LILACS Language: English Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 1983 Document type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR

Full text: Available Collection: International databases Health context: SDG3 - Health and Well-Being / Neglected Diseases Health problem: Target 3.3: End transmission of communicable diseases / Chagas Disease / Neglected Diseases Database: LILACS Language: English Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 1983 Document type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR
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