Upright posture increases oxyhemoglobin saturation in Peruvian highlanders
نویسندگان
چکیده
منابع مشابه
Mitochondrial DNA analysis of ancient Peruvian highlanders.
Ancient DNA recovered from 57 individuals excavated by Hiram Bingham at the rural communities of Paucarcancha, Patallacta, and Huata near the famed Inca royal estate and ritual site of Machu Picchu was analyzed by polymerase chain reaction, and the results were compared with ancient and modern DNA from various Central Andean areas to test their hypothesized indigenous highland origins. The cont...
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Previous hemodynamic studies of patients with septal defects, or patent ductus arteriosus, have been made with the patient recumbent in the horizontal posture. Our studies indicate unexpected changes in pulmonary blood flow with the upright posture, and often further increments in flow during walking that are different from those reported for exercise in recumbency. It is suggested that such de...
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The pattern of preterm fetal growth faltering, normally seen in man, differs from that observed in animals. This type of fetal growth cannot be considered as an adaptation to facilitate birth but is more likely to be due to rapid evolution and imperfect adaptation to the upright posture. The pattern of posture and physical activity during pregnancy may therefore be an important determinant of f...
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In 2 experiments, participants stood upright with their eyes open or closed and fating forward or to the side; the 2nd experiment also included a manipulation of optical structure. At issue were the effects of different conditions of visual exproprioperception on motions of the body's center of pressure. Also at issue was the utility of 2 characterizations of postural control under the vision m...
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In 8 adult patients undergoing cardiopulmonary bypass, the perfusion flow was altered from 2.4 to 1.8 and 1.2 L/min/m during hypothermia (26.5 ± 2.3°C). Following rewarming of the patients to 37°C, the perfusion flow was also altered from 2.4 to 1.8 and 1.2 L/min/m • The resulting mixed venous oxyhemoglobin saturation (Sv0 2 ) was measured in vivo by in-line oximetry at the actual body temperat...
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ژورنال
عنوان ژورنال: Respiratory Physiology & Neurobiology
سال: 2019
ISSN: 1569-9048
DOI: 10.1016/j.resp.2019.04.015