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2.
Salus militiae ; 31(2): 45-49, jul.-dic. 2006. ilus
Article in Spanish | LILACS | ID: lil-513593

ABSTRACT

La invasión de tejidos humanos, animales vivos, muertos por larvas de distintos géneros de moscas se denomina miasis. Distintas especies de moscas pueden estar involucradas, una Sarcophaga haemorrhoidalis. La miasis bucal fue descrita por primera vez en 1909 (Laurence); son pocos los casos documentados en la literatura biomédica. Se presenta una paciente con demencia senil, leucoplaquia en paladar duro, de la cual se toma biopsia: diagnóstico histopatológico y parasitológico: infestación por S. haemorrhoidalis. Descripción: paciente femenino 81 años de edad, antecedentes de helmintiasis no especificada diagnóstico de demencia senil, antecedente de salida de helmintos por cavidad bucal. Se toma muestra lesión en paladar duro. Histopatología reveló presencia de larva recubierta por banda eosinofílica refringente aspecto quitinoso con pared muscular, inmersa en fondo de detritus celulares y fragmentos de músculo esquelético. Desde el punto de vista parasitológico, de acuerdo a características morfológicas, la presencia de espinas quitinosas y fibras musculares correspondientes a larvas de moscas. En virtud de localización, y características antes descritas se sustenta etiología de Sarcophaga haemorrhoidalis. Los casos de miasis bucal se reportan con mayor frecuencia en pacientes epilécticos con labios lacerados posterior a ataques convulsivos, en niños con alteraciones en labios, con hábitos de succión de dedos, pacientes con enfermedad periodontal avanzada, antecedentes de extracción dental, neoplasias mucosa bucal y enfermedades con predisposición a mantener la boca abierta. Sólo existen 3 casos de miasis palatina reportados. Con la resugencia de enfermedades tropicales, la miasis bucal debe considerarse en el diagnóstico diferencial de lesiones en cavidad bucal.


Subject(s)
Aged, 80 and over , Leukoplakia, Oral/ethnology , Leukoplakia, Oral/pathology , Myiasis/diagnosis , Myiasis/parasitology , Myiasis/pathology , Palate, Hard/injuries , Biopsy/methods , Helminths/parasitology
3.
Infect Dis Obstet Gynecol ; 2006: 23125, 2006.
Article in English | MEDLINE | ID: mdl-17093349

ABSTRACT

INTRODUCTION: Intestinal parasitic infections, especially due to helminths, increase anemia in pregnant women. The results of this are low pregnancy weight gain and IUGR, followed by LBW, with its associated greater risks of infection and higher perinatal mortality rates. For these reasons, in the setting of no large previous studies in Venezuela about this problem, a national multicentric study was conducted. METHODS: Pregnant women from nine states were studied, a prenatal evaluation with a coproparasitological study. Univariated and multivariated analyses were made to determine risk factors for intestinal parasitosis and related anemia. RESULTS: During 19 months, 1038 pregnant women were included and evaluated. Intestinal parasitosis was evidenced in 73.9%: A lumbricoides 57.0%, T trichiura 36.0%, G lamblia 14.1%, E hystolitica 12.0%, N americanus 8.1%, E vermicularis 6.3%, S stercoralis 3.3%. Relative risk for anemia in those women with intestinal parasitosis was 2.56 (P < .01). DISCUSSION: Intestinal parasitoses could be associated with conditions for development of anemia at pregnancy. These features reflect the need of routine coproparasitological study among pregnant women in rural and endemic zones for intestinal parasites. Further therapeutic and prophylactic protocols are needed. Additional research on pregnant intestinal parasitic infection impact on newborn health is also considered.


Subject(s)
Intestinal Diseases, Parasitic , Pregnancy Complications, Parasitic , Adult , Anemia/epidemiology , Anemia/etiology , Animals , Eukaryota/classification , Eukaryota/isolation & purification , Feces/parasitology , Female , Gestational Age , Humans , Intestinal Diseases, Parasitic/complications , Intestinal Diseases, Parasitic/epidemiology , Intestinal Diseases, Parasitic/parasitology , Nematoda/classification , Nematoda/isolation & purification , Nematode Infections/epidemiology , Nematode Infections/parasitology , Pregnancy , Pregnancy Complications, Parasitic/epidemiology , Pregnancy Complications, Parasitic/parasitology , Prevalence , Protozoan Infections/epidemiology , Protozoan Infections/parasitology , Risk Factors , Venezuela/epidemiology
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