Listar IBBA - Instituto Boliviano de Biología de la Altura por título
Mostrando ítems 764-783 de 965
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Poder tampón de la sangre humana en la altura y en tierras bajas
(Instituto Boliviano de Biología de Altura, 1979)El estudio de la respuesta ventilatoria al CO2 por inhalación de fracciones variables de este gas explora simultáneamente los estímulos CO2 e H + hecho que dificulta la interpretación en términos de sensibilidad aislada ... -
Point de rupture d'apnée volontaire au cours des hypoxies chronique et aiguë
(Journal de Physiologie, 1968) -
Poliglobulia patológica de altura, diversidad clínica y exámenes complementarios
(Universidad Mayor de San Andrés, 1990)Abstract. Clinical and laboratory findings of 42 patients with High Altitude Polycythemia were analyzed consecutively. All patients had hemoglobin (Hb) and hematocrit (Ht) levels above 19 g/dl and 60%, respectively. Patients ... -
Poliglobulia y ejercicio muscular
(Gaceta del Tórax, 1981) -
Polimorfismo de los enzimas séricos y eritrocitarios en seis tribus amerindias
(Instituto Boliviano de Biología de Altura, 1979)Resumen. Se presentan datos sobre los tipos de enzimas séricos y eritrocitarios en seis tribus Amerindias en América Central y América del Sur, de las cuales los Sirionos, los Chipayas y los Jicaques tienen una marcada ... -
La polycythémie pathologique d'altitude : essai thérapeutique avec le bismésilate d'almitrine
(La Revue de Médicine Interne, 1986)Résumé. La polyglobulie d'altitude est une maladie trés fréqunte sur le platean interandin (4000 m). mème chez les malades indemmes de toute cardiorespiratoire. En dehors de toute hypoventilation alvéolaire elle entraine ... -
Population genetics of Trypanosoma cruzi and Trypanosoma rangeli : taxonomical and epidemiological purpose
(Biol Res, 1993)A genetic analysis of a set of Trypanosoma cruzi and Trypanosoma rangeli stocks was performed by two combined approaches, namely mutilocus enzyme electrophoresis (MLEE) and labeling by DNA probes. A considerable genetic ... -
Population structure of Andean Triatoma infestans : allozyme frequencies and their epidemiological relevance
(Medical and Veterinary Entomology, 1998)Abstract. Triatoma infestans (Hemiptera: Reduviidae) from 22 Andean localities in Bolivia (n = 968) and Peru (n=37) were analysed by multi-locus enzyme electrophoresis. Among 12 gene-enzyme systems analysed, GPD, 6GPD and ... -
Postnatal changes in the pulmonary circulation at 3700-4000 m
(High Altitude Medicine & Hygiene, 2002-04-18)Objective: The hypoxia of high altitude can impair postnatal changes in the pulmonary circulation. We documented pulmonary artery pressures (PPA) and persistence of fetal circulatory patterns among infants born at 3700–4000m ... -
Potential role for elevated maternal enzymatic antioxidant status in Andean protection against altitude-associated SGA
(The Journal of Maternal-Fetal and Neonatal Medicine, 2012)Oxidative stress has been implicated in the uteroplacental ischemia characteristic of preeclampsia and small-for-gestational-age (SGA) birth, both of which are more common at high (>2500 m) vs low altitude. Since Andeans ... -
Pouvoir tampon du sang humain à haute et basse altitude
(Journal de Physiologie, 1970) -
Predicting sickness during a 2-week soccer camp at 3600 m (ISA 3600)
(Br J Sports Med, 2013-08-23)Abstract. Objectives. To examine the time course of changes in wellness and health status markers before and after episodes of sickness in young soccer players during a high-altitude training camp (La Paz, 3600 ... -
Preeclampsia and risk of maternal pulmonary hypertension at high altitude in Bolivia
(Journal of Developmental Origins of Health and Disease, 2023)Abstract. Women with a history of preeclampsia (PE) have a greater risk of pulmonary arterial hypertension (PAH). In turn, pregnancy at high altitude is a risk factor for PE. However, whether women who develop PE during ... -
Preference for sons and sex ratio in two non-western societies
(American Journal of Human Biology, 2006)ABSTRACT Moroccan Berbers and the Bolivian Aymara are two unrelated peasant groups living in adverse environments with a still rather traditional agriculture. Precarious life conditions may be responsible for the importance ... -
La presión arterial pulmonar en el niño normal de la altura (La Paz 3.600 m.)
(Instituto Boliviano de Biología de Altura, 1979)La presión arterial pulmonar (PAP) fue estudiada en 22 niños clinicamente normales, procedentes de lugares elevados (La Paz 3.600 m.), comprendidos entre 1 a 10 años de edad, con un promedio de 5 a 6 años; la PAP sistólica ... -
Pressure-flow-volume relationships in the pulmonary circulation of normal highlanders : effects of unilateral pulmonary artery occlusion, exercise, and hypoxia
(Progress in Respiration Research, 1975)Summary. Pulmonary blood volume in NHL is comparable to that in sea level residents. In resting NHL, pulmonary hypertension is best explained by, structural changes in pulmonary vessels. In NHL, exercise elicits a ... -
Prevalence of Trypanosoma cruzi infection in blood banks of seven department of Bolivia
(Mem. Inst. Oswaldo Cruz, 1990)Trypanosoma cruzi infection was studied in 1,298 sera samples of blood banks from 7 capital departments of Bolivia, using the immunofluorescence test (IFI) and Enzyme Linked Immuno sorbent Assay (ELISA). The percentages ...