Listar por autor "Spielvogel, Hilde"

Mostrando ítems 1-20 de 73

    • A prospective study of early pregnancy loss in humans 

      Vitzthum, Virginia J; Spielvogel, Hilde; Thornburg, Jonathan; Brady West, MA (Fertility and Sterility, 2006-08)
      Objective: To test two hypotheses: In spontaneous conceptions, early pregnancy loss (EPL) is associated with [1] inadequate luteal (ovarian) P, and/or [2] elevated follicular (adrenal) P. Design: A population-based ...

    • Absence of work efficiency differences during cycle ergometry exercise in Bolivian Aymara 

      Brutsaert, Tom D; Haas, Jere D; Spielvogel, Hilde (High Altitude Medicine & Biology, 2004)
      ABSTRACT. This study tested the hypothesis that Andean natives are adapted to high altitude (HA) via high work ef ficiency during exercise in hypoxia. A total of 186 young males and females were tested in Bo livia, ...

    • Adaptación al ejercicio muscular en la altura 

      Paz Zamora, Mario; Spielvogel, Hilde; Cáceres, Esperanza (Master, 1988)
      El ser humano no pasa la vida en condiciones estables, sino se debe adaptar necesariamente a condiciones diferentes, como cambio de temperatura (calor, frío), sequedad, humedad, incremento de la presión barométrica ...

    • Antropometría de las poblaciones andinas 

      Spielvogel, Hilde (Master, 1988)
      Las poblaciones autóctonas fueron desde el principio del presente siglo objeto de numerosos estudios antropológicos, puesto que el Continente Americano representa realmente el "nuevo mundo", porque fue poblado en una época ...

    • Body fluid homeostasis and cardiovascular adjustments during submaximal exercise : inlfuence of chewing coca leaves 

      Spielvogel, Hilde; Rodríguez, Armando; Sempore, Brigitte; Cáceres, Esperanza; Cottet-Emard, Jean-Marie; Guillon, Laurent; Favier, Roland (Eur J Appl Physiol, 1997)
      Abstract. The present study was undertaken to determine the haematological and cardiovascular status, at rest and during prolonged (1 h) submaximal exercise (approximately 70% of peak oxygen uptake in a group (n = 12) of ...

    • Capacidad aeróbica de adolescentes europeos y amerindios nativos de altura 

      Spielvogel, Hilde; Paredes F, Luis; Cáceres, Esperanza; Greksa, Lawrence P (Instituto Boliviano de Biología de Altura, 1987)
      Resumen. 47 nativos de altura fueron sometidos a una prueba de esfuerzo máximo en un tapiz rodante a 3600 m. Los sujetos fueron agrupados en 4 subgrupos en base a fondo étnico (Europeo-Aymara) y a edad (adolescentes menores ...

    • Capacidad aeróbica máxima de nadadores a grandes alturas 

      Haas, Jere D; Greksa, Lawrence P; Leatherman, Thomas L; Moreno-Blak, Geraldine; Paredes Fernández, Luis; Paz Zamora, Mario; Spielvogel, Hilde (Instituto Boliviano de Biología de Altura, 1983)
      Resumen. Fueron estudiados 25 varones y 19 mujeres de edades entre los 8,8 y 19,5 años. Los sujetos eran nadadores sanos, bien alimentados y entrenados residentes de la ciudad de La Paz (promedio de altura 3600 m.) El ...

    • Capacidad máxima de trabajo de niños en la altura 

      Haas, Jere D; Greksa, Lawrence P; Leatherman, Thomas L; Moreno-Blak, Geraldine; Paredes Fernández, Luis; Paz Zamora, Mario; Spielvogel, Hilde (Instituto Boliviano de Biología de Altura, 1983)
      Resumen. Pruebas de esfuerzo máximo fueron realizadas en 67 niños de ascendencia Europea y de edades entre los 8,8 y 13,1 años en La Paz, (promedio de altura 3.600 m.). 34 de los niños habían nacido en la altura, los 33 ...

    • Cardio-respiratory studies in chronic mountain sckeness (Monge's syndrome) 

      Cudkowicz, Leon; Ergueta, Jorge; Spielvogel, Hilde (INTERPRINT PUBLICATIONS, 1975)
      SUMMARY. Comparisons with 14 normal, younger, male native residents of La Paz showed that 20 patients with Monge's syndrome have significantly higher mean body surface areas, hemoglobin, resting tidal volumes [VT (BTPS)], ...

    • Cardio-respiratory studies in chronic mountain sickness (Monge's syndrome) 

      Ergueta, J; Spielvogel, Hilde; Cudkowicz, L (Revista del IBBA, 1972)
      Abstract. Comparisons with 14 normal, younger, male native residents of La Paz showed that 20 patients with Monge’s syndrome have significantly higher mean body surface areas, hemoglobin, resting tidal volumes [VT (BTPS)], ...

    • Changes in blood gas transport of altitude native soccer players near sea-level and sea-level native soccer players at altitude (ISA3600) 

      Wachsmuth, Nadine; Kley, Marlen; Spielvogel, Hilde; Aughey, Robert J; Gore, Christopher J; Bourdon, Pitre C; Hammond, Kristal; Sargent, Charli; Roach, Gregory D; Soria Sánchez, Rudy; Jiménez Claros, Jesús C; Schmidt, Walter F; Garvican-Lewis, Laura A (Br J Sports Med, 2013-09-03)
      Abstract. Objectives The optimal strategy for soccer teams playing at altitude is not known, that is, ‘fly-in, fly-out’ versus short-term acclimatisation. Here, we document changes in blood gas and vascular volumes of ...

    • Chronic mountain sickness, optimal hemoglobin and heart disease 

      Vargas, Enrique; Spielvogel, Hilde (High Altitude Medicine & Biology, 2006-06)
      Abstract. For the male inhabitants of La Paz, Bolivia (3200–4100 m), and other high altitude regions in America and Asia, chronic mountain sickness (CMS) is a major health problem. Since CMS was first described by Carlos ...

    • Coca chewing for exercise : hormonal and metabolic responses of nonhabitual chewers 

      Favier, Roland; Cáceres, Esperanza; Guillon, Laurent; Sempore, Brigitte; Sauvain, Michel; Koubi, Harry; Spielvogel, Hilde (Journal of Applied Physiology, 1996)
      Abstract. To determine the effects of acute coca use on the hormonal and metabolic responses to exercise, 12 healthy nonhabitual coca users were submitted twice to steady-state exercise (∼75% maximal O2 uptake). On one ...

    • Comunicación del primer hallazgo de la hemoglobina mutada en Bolivia "Hb J Bolivia" 

      Galarza, Mario; Vargas, Enrique; Spielvogel, Hilde; Peñaloza, Rosario; Contreras, Gladys de; Rodríguez, Armando; Gutiérrez, Nancy (Universidad Mayor de San Andrés, 1990)
      Resumen. Se comunica la primera Hb mutada encontrada en Bolivia “J Bolivia”, siendo esta Hb de migración rápida, estable al isopropanol de mutación en cadena alfa e hiperafín. Esta variante se halló en un joven de 22 ...

    • Deuda de oxÍgeno en el ejercicio submáximo y supramáximo en niños en la altura y a nivel del mar 

      Fellmann, Nicole; Bedu, Mario; Falgairette, Guy; Van Praagh, Emmanuel; Coudert, Jean; Spielvogel, Hilde (J. Appl. Physiol., 1990)
      Resumen. Fue estudiado el efecto de la altura (HA) sobre la deuda de oxígeno (O₂) y la concentración de lactato (L) en sangre en niños de 10 a 13 años quienes tenían la misma capacidad física. Se compararon 51 niños ...

    • Developmental, genetic, and environmental components of aerobic capacity at high altitude 

      Frisancho, A Roberto; Frisancho, Hedy G; Milotich, Mark; Brutsaert, Tom; Albalak, Rachel; Spielvogel, Hilde; Villena, Mercedes; Vargas, Enrique; Soria, Rudy (American Journal of Physical Anthropology, 1995)
      Abstract. The aerobic capacity of 268 subjects (158 males and 110 females) was evaluated in La Paz, Bolivia situated at 3,750 m. The sample included 1) 39 high altitude rural natives (all male); 2) 67 high altitude urban ...

    • Differential effects of ventilatory stimulation by sex hormones and almitrine on hypoxic erythrocytosis 

      Favier, R; Spielvogel, Hilde; Cáceres, E; Rodríguez, A; Sempore, B; Pequignot, J; Pequignot, JM (Pflugers Arch-Eur J Physiol, 1997)
      Abstract. In the absence of pulmonary disease, hypoventilation is considered to be the primary cause of Chronic Mountain Sickness, and there is some reason to believe that chronic administration of respiratory analeptics ...

    • Distribution of cardiac output at rest in high altitude natives and adapted sea level natives 

      Greene, E Richard; Araoz, Mauricio; Spielvogel, Hilde; Roach, Robert C ([s.n.], 1999)

    • Does Hypoxia impair ovarian function in Bolivian women indigenous to high altitude? 

      Vitzthum, Virginia J; Ellison, PT; Sukalich, S; Cáceres, E; Spielvogel, Hilde (HIGH ALTITUDE MEDICINE & BIOLOGY, 2000)
      Abstract. Fertility appears to be reduced in at least some high altitude populations relative to their counterparts at lower elevations. Inferring from the difficulties with reproduction of newcomers to high altitude and ...

    • Dopaminergic metabolism in carotid bodies and high altitude acclimatization in female rats 

      Joseph, Vincent; Soliz, Jorge; Soria, Rudy; Pequignot, Jacqueline; Favier, Roland; Spielvogel, Hilde; Pequignot, Jean Marc (Am J Physiol Relulatory, 2002-04)
      We tested the hypothesis that ovarian steroids stimulate breathing through a dopaminergic mechanism in the carotid bodies (CB). In ovariectomized female rats raised at sea level, domperidone, a peripheral D2 receptor ...