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1.
J Assoc Physicians India ; 44(7): 483-5, 1996 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-9282611

RESUMO

A cardinal feature of malaria, splenomegaly, is usually absent in adult patients who have already suffered from falciparum malaria or who are natives of an endemic falciparum zone. This is an attribute of the past episode of clinical or sub-clinical malaria which usually results in regression of the splenic size to below-normal. An ultrasonographic evaluation of spleens was done in 90 healthy adult males, who had suffered from vivax (n = 28) or falciparum (n = 25) malaria in the past, except the controls (n = 22) and natives from an endemic falciparum area (n = 15) who never suffered from malaria. Their ultrasonographic details of spleens, including the size, were compared. Besides other conspicuous differences in the ultrasonographic picture, spleen size was found significantly decreased (p < 0.01) in the group who had been affected by P. falciparum malaria; the smallest measured 7.8 cms. In P. vivax group the decrease was not significant (p < 0.1), but was highly significant in inhabitants of endemic falciparum region (p < 0.001). The present study establishes the 'Small Spleen' and looks at echotexture pattern variations thereof for the first time.


Assuntos
Malária Falciparum/complicações , Baço/diagnóstico por imagem , Esplenomegalia/diagnóstico por imagem , Adulto , Humanos , Malária Falciparum/fisiopatologia , Malária Vivax/complicações , Malária Vivax/fisiopatologia , Masculino , Baço/parasitologia , Baço/fisiopatologia , Esplenomegalia/parasitologia , Esplenomegalia/fisiopatologia , Ultrassonografia
2.
Indian J Malariol ; 32(1): 1-5, 1995 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-8549834

RESUMO

50 patients (45 males + 5 females) suffering from acute uncomplicated attack of Plasmodium falciparum (Pf) malaria were treated with 1500 mg of halofantrine divided in three doses of 500 mg each given at an interval of 6 h. Results showed there were no primary treatment failures. Average Parasite Clearance Time (av. PCT) was 51.12 h and average Fever Clearance Time (av. FCT) was 31.25 h. Adverse Drug Reactions (ADR) were mild and self limiting. We conclude that halofantrine is a quite safe and effective new antimalarial agent in the treatment of Pf malaria cases.


Assuntos
Antimaláricos/uso terapêutico , Malária Falciparum/tratamento farmacológico , Fenantrenos/uso terapêutico , Doença Aguda , Adolescente , Adulto , Antimaláricos/efeitos adversos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Fenantrenos/efeitos adversos
3.
J Int Med Res ; 19(6): 479-83, 1991.
Artigo em Inglês | MEDLINE | ID: mdl-1773908

RESUMO

Antihistaminic activity of 3 or 6 mg dimethindene maleate was compared with that of placebo and 12 mg chlorpheniramine maleate in 60 healthy volunteers in a randomized, crossover study. Activity of each drug was assessed by measuring 2 micrograms histamine-induced weal and flare areas. Compared with placebo, both doses of dimethindene and chlorpheniramine significantly (P less than 0.001) reduced weal area. Both doses of dimethindene (P less than 0.001) and chlorpheniramine (P less than 0.05) also significantly reduced flare area. Dimethindene (6 mg) brought about the maximum reduction in weal area (28.8%) and flare area (39.1%). Dimethindene (6 mg) also reduced weal area significantly (P less than 0.01) compared with chlorpheniramine and reduced flare area significantly (P less than 0.05) compared with 3 mg dimethindene. Using a 100 mm visual analogue scale for assessment of weal and flare intensities, 6 mg dimethindene again produced the maximum response. The study confirmed that the antihistamine activity of dimethindene was better than that of chlorpheniramine.


Assuntos
Clorfeniramina/farmacologia , Dimetideno/farmacologia , Histamina/imunologia , Hipersensibilidade Imediata/imunologia , Adulto , Humanos , Masculino
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