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1.
Indian J Physiol Pharmacol ; 2009 Jul-Sept; 53(3): 219-226
Article in English | IMSEAR | ID: sea-145928

ABSTRACT

The aim of the present study was to evaluate the impact of hypothyroidism on the autonomic regulation of the cardiovascular system by analyzing sympathetic and parasympathetic influences on the heart and the effect of thyroxine replacement. Thirty newly diagnosed female hypothyroid patients with mean age 32.73±9.98 years were recruited from the Thyroid Clinic, GTB Hospital, Delhi. Various Autonomic function tests to assess Basal heart rate variability, parasympathetic activity (E:I Ratio, 30:15 Ratio, Valsalva Ratio) and sympathetic activity (Postural Challenge test, Sustained handgrip test) were done before and after attainment of euthyroidism. There was significant increase in parasympathetic activity on achieving euthyroid state. The sympathetic activity too significantly improved after L-thyroxine supplementation. Lipid profile parameters significantly decreased after achieving euthyroid state. Our findings are consistent with previous reports that thyroxine therapy appears to restore the efferent vagal activity and alters the relative contribution of systems that maintain resting blood pressure and heart rate.

2.
Bol. chil. parasitol ; 49(1/2): 20-3, ene.-jun. 1994. ilus, tab
Article in English | LILACS | ID: lil-173130

ABSTRACT

Se describe una nueva especie de un nematode de la familia camallanidae railliet et Henry, 1915 del ovario del pez de agua dulce barbus (Puntius) ticto (Günther). La descripción se basa en dos ejemplares machos y dos ejemplares hembras, de un gran número de huéspedes examinados. Los ejemplares no concuerdan con descripciones de especies conocidas del género camallanus, en consecuencia, una nueva especie camallanus praveeni ha sido nominada para ubicar los presentes ejemplares. La nueva especie podría ser distinguida por las medidas del cuerpo, la naturaleza de los tridentes, posición del anillo nervioso y del poro excretorio, posición y largo de las espículas, número y posición de las papilas caudales posición de la vulva y forma de extremo de la cola


Subject(s)
Animals , Male , Female , Camallanina/isolation & purification , Fishes/parasitology , Camallanina/anatomy & histology , Camallanina/classification , Camallanina/growth & development , Fresh Water , India , Ovary/parasitology , Host-Parasite Interactions
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