Compression garments do not alter cerebrovascular responses to orthostatic stress after mild passive heating
Morrison SA, Ainslie PN, Lucas RA, Cheung SS, Cotter JD
Scandinavian journal of medicine & science in sports · 9 citas
Etiquetas de revisión
Financiación no declaradaDatos neutrales que nuestra revisión registró sobre cómo se hizo este estudio. Describen el método, nunca si nos gusta el resultado.
Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (clasificado por nuestro filtro de IA)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2012-09-12 · Scand J Med Sci Sports · vol. 24 · número 2 · págs. 291–300
- Editorial
- Wiley
- Citado
- 13 citas · más que el 69% de estudios similares · 0.5× el promedio de su campo
- Referencias
- 42 trabajos
- Acceso
- De pago
- Áreas de investigación
- Heart Rate Variability and Autonomic Control · Thermoregulation and physiological responses · High Altitude and Hypoxia
- Palabras clave
- Medicine, Transcranial Doppler, Supine position, Anesthesia, Blood pressure, Orthostatic vital signs, Middle cerebral artery, Compression (physics), Orthostatic intolerance, Cardiology, Internal medicine, Ischemia, Materials science
- MeSH
- middle cerebral artery, humans, syncope, hypotension, orthostatic, heat stress disorders, ultrasonography, blood flow velocity, exercise test, body temperature, protective clothing, oxygen consumption, blood pressure, cerebrovascular circulation, posture, physical fitness, adult, male, stockings, compression, hot temperature, young adult
5 autores
- Shawnda A. Morrison🇸🇮🇳🇿 · autor de correspondenciaJožef Stefan Institute; University of Otago
- Philip Neil Ainslie🇨🇦University of British Columbia; University of British Columbia, Okanagan Campus
- Rebekah A. I. Lucas🇳🇿University of Otago
- Stephen S. Cheung🇨🇦Brock University
- James David Cotter🇳🇿University of Otago
Resumen
El texto original del estudio, en el idioma en que se publicó.
Whole-body heating increases the likelihood of syncope, whereas utilizing lower-body compression garments may reduce syncope risk. We hypothesized that graded compression garments would reduce the typically observed large postural reductions in arterial blood pressure and middle cerebral artery velocity, in normothermia and especially once passively heat stressed. Fifteen men (age: 27 ± 4 years, aerobic fitness range: 30-75 mL/kg(/) min) completed a supine-to-stand orthostatic challenge for 3 min at normothermia and after passive heating (esophageal temperature, +0.5 °C from baseline) on two occasions (> 7 days): once wearing commercially available compression trousers and once wearing low-compression placebo trousers (randomized order). Blood flow velocity in the middle cerebral artery (transcranial Doppler), mean arterial blood pressure (mean BP: Finometer) and end-tidal carbon dioxide pressure were measured continuously. During normothermia, compression, garments did not alter the magnitude of the postural changes in mean BP or middle cerebral artery velocity. After passive heating, although the magnitudes of these changes were exaggerated, they were not significantly affected by compression garments. Compression garments did not attenuate the initial or sustained orthostatic hypotension associated with posture change, either during normothermia or following passive heat stress.
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