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1.
Bulletin of Alexandria Faculty of Medicine. 1994; 30 (2): 529-37
in English | IMEMR | ID: emr-32049

ABSTRACT

Hyperhistominemia has been reported to exist in the various stages of schistosomal infection. This study was undertaken to determine the effect of dimetindenum maleic [H1 receptor blocker] on the portal pressure in schistosomal portal hypertension. Forty patients with schistosomal hepatic fibrosis were divided into 2 equal groups. Group I patients received the drug systemically by intravenous route, while patients of group II received the same dose intra-arterially into the coeliac axis trunk during splenectomy. Systemic arterial blood pressure and portal pressure were measured immediately following laparotomy, then 5, 10, 15, 20 and 30 minutes after drug injection. Both groups demonstrated significant portal pressure drop, especially, group II patients, with no significant change in systemic blood pressure. In view of this study, H1-blockers may play a role in abolishing the histamine effect in schistosomal portal hypertension


Subject(s)
Hypertension, Portal/drug effects , Schistosomiasis
2.
GEN ; 46(3): 199-207, jul.-sept. 1992. tab
Article in Spanish | LILACS | ID: lil-121938

ABSTRACT

Se buscó una dosis adecuada de Propranolol que disminuyese la freuencia cardíaca en un 25% en 19 hipertensos portales (HP). 16 con HP prehepática y 3 con HP hepática, edad: 6.96 ñ 3.48 años, rango: 2 a 14 años. Se inició con 0.5 mg/kp/día aumentando 0.25 mg/kp/día cada tercer día. necesitándose un promedio de 26 ñ 13 días, rango: 6 a 54 días. La dosis osciló entre 1 y 5.25 mg/kp/día (media: 2.69 ñ 1.16). La dosis máxim diaria fue 175 mg, la mínima 23.4 mg (media: 58.27 ñ 36.6 mg/día). Varios parámetros fueron evaluados antes y después de lograda la dosis. Hubo disminución significativa de la Tensión Arterial Media (p < 0.01) y de la Presión Venosa Periférica (p < 0.05) en el 68.42% de los pacientes. Ocurrió aumento significativo (p < 0.001) de las catecolaminas en orina de 24 horas en el 94.7% de ellos. Los efectos colaterales fueron mínimos. El Propranolol podría ser considerado una confiable opción farmacológica en estos pacientes


Subject(s)
Child, Preschool , Child , Adolescent , Humans , Male , Female , Hypertension, Portal/drug effects , Hypertension, Portal/therapy , Propranolol/administration & dosage , Propranolol/therapeutic use
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