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Posición prona: efecto sobre el intercambio gaseoso y en la capacidad funcional para el ejercicio en pacientes con hipertensión pulmonar / Prone position: effect on gas exchange and functional capacity for exercise in patients with pulmonary hypertension
Bastidas-L, Andrea Carolina; Colina-Chourio, José A; Guevara, Jesnel M; Núñez, Alexis.
  • Bastidas-L, Andrea Carolina; Hospital IVSS Dr. Adolfo Pons. Maracaibo. VE
  • Colina-Chourio, José A; Hospital IVSS Dr. Adolfo Pons. Maracaibo. VE
  • Guevara, Jesnel M; Hospital IVSS Dr. Adolfo Pons. Maracaibo. VE
  • Núñez, Alexis; Hospital IVSS Dr. Adolfo Pons. Maracaibo. VE
Invest. clín ; 56(1): 25-32, mar. 2015. ilus, graf
Article in Spanish | LILACS | ID: biblio-841064
RESUMEN
El objetivo del estudio fue evaluar el intercambio gaseoso y el comportamiento funcional cardiorrespiratorio en pacientes con hipertensión pulmonar (HTP) antes, durante y después del cambio de posición a decúbito prono. Treinta pacientes con HTP y alteraciones en el intercambio gaseoso fueron incluidos en el estudio. Las variables de intercambio gaseoso se evaluaron en decúbito supino para obtener los valores basales y en decúbito prono a los 30, 120 y 240 min. Así mismo, se sometieron al test marcha 6 minutos (6MWT) previo y posterior a 30 días de sueño nocturno en prono. Después de cuatro horas, todos los pacientes presentaron un incremento de la PaO2 y en la saturación arterial de oxígeno (SaO2), con disminución en los cortocircuitos intrapulmonares, mejorando el intercambio gaseoso y por consiguiente de la demanda fisiológica impuesta por el ejercicio en pacientes con HTP.
ABSTRACT
The objective of this investigation was to evaluate gas exchange and cardiopulmonary functional behavior in patients with pulmonary hypertension (PH) before, during and after the change to a prone position. Thirty patients with PH and alterations in gas exchange were included in the study. Gas exchange measurements were performed in four stages at the baseline supine position and after 30, 120 and 240 minutes in prone position. Also, the patients were evaluated by the six minutes walking test (6MWT) after 30 days in prone position during night’s sleep. After four hours in prone position, all patients showed an increase of PaO2 and arterial saturation of oxygen (SaO2), with a decrease of intrapulmonary shunts, improving the gas exchange and therefore the physiological demand imposed by exercise in patients with PH.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Pulmonary Gas Exchange / Prone Position / Exercise Tolerance / Hypertension, Pulmonary Type of study: Observational study Limits: Female / Humans / Male Language: Spanish Journal: Invest. clín Journal subject: Biologia / Medicine / Relatos de Casos Year: 2015 Type: Article Affiliation country: Venezuela Institution/Affiliation country: Hospital IVSS Dr. Adolfo Pons/VE

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Full text: Available Index: LILACS (Americas) Main subject: Pulmonary Gas Exchange / Prone Position / Exercise Tolerance / Hypertension, Pulmonary Type of study: Observational study Limits: Female / Humans / Male Language: Spanish Journal: Invest. clín Journal subject: Biologia / Medicine / Relatos de Casos Year: 2015 Type: Article Affiliation country: Venezuela Institution/Affiliation country: Hospital IVSS Dr. Adolfo Pons/VE