Results 11 to 20 of about 125,897 (279)
BMC Surgery, 2023 Background Postoperative orthostatic intolerance is an inability to maintain an upright position because of symptoms of cerebral hypoperfusion. It is a common problem in the early postoperative period and hinders early mobilization, however, there is ...
Negesse Zurbachew Gobezie +3 more
doaj +2 more sources
The Application of Head-Up Tilt Test to Diagnose Hemodynamic Type of Orthostatic Intolerance in Children Aged Between 3 and 5 Years [PDF]
Frontiers in Pediatrics, 2021 Objectives: The head-up tilt test (HUTT) is a useful tool to assess autonomic function and to reproduce neurally mediated reflex. In this study, we evaluated the use of HUTT in pediatric patients aged 3–5 years with orthostatic intolerance. Materials and
Runmei Zou +7 more
openalex +2 more sources
Detecting Orthostatic Intolerance in Long COVID in a Clinic Setting. [PDF]
Int J Environ Res Public Health, 2023 Introduction: A likely mechanism of Long COVID (LC) is dysautonomia, manifesting as orthostatic intolerance (OI). In our LC service, all patients underwent a National Aeronautics and Space Administration (NASA) Lean Test (NLT), which can detect OI ...
Isaac RO, Corrado J, Sivan M.
europepmc +2 more sources
International Journal of Cardiology. Hypertension, 2021 Background: Initial orthostatic hypotension is a clinically relevant syndrome in older adults which has been associated with symptoms of orthostatic intolerance. The aim of this systematic review was to determine the prevalence of orthostatic intolerance
Elena M. Christopoulos +6 more
doaj +3 more sources
Autoimmunity in Syndromes of Orthostatic Intolerance: An Updated Review. [PDF]
J Pers MedOrthostatic intolerance is a broad term that represents a spectrum of dysautonomic disorders, including postural orthostatic tachycardia syndrome (POTS) and orthostatic hypotension (OH), as manifestations of severe autonomic failure.
Pena C, Moustafa A, Mohamed AR, Grubb B.
europepmc +2 more sources
Orthostatic Intolerance in Older Persons: Etiology and Countermeasures [PDF]
Frontiers in Physiology, 2017 Orthostatic challenge produced by upright posture may lead to syncope if the cardiovascular system is unable to maintain adequate brain perfusion. This review outlines orthostatic intolerance related to the aging process, long-term bedrest confinement ...
Nandu Goswami +3 more
doaj +4 more sources
Physiological assessment of orthostatic intolerance in chronic fatigue syndrome. [PDF]
J Transl Med, 2022 Background Orthostatic intolerance-OI is common in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome-ME/CFS. We used a 10-min passive vertical lean test as orthostatic challenge-OC and measured changes in vitals and end tidal CO 2 (eTCO2).
Natelson BH +5 more
europepmc +2 more sources
Orthostatic intolerance during early mobilization following thoracoscopic lung resection: a prospective observational study [PDF]
BMC SurgeryBackground Early postoperative mobilization is important for enhanced recovery but can be hindered by orthostatic intolerance. However, study on postoperative orthostatic intolerance in thoracoscopic lung resection is limited.
Hongjie Yi +5 more
doaj +2 more sources
Correlation between orthostatic intolerance in children and levels of ACE2-Ang(1-7)-Mas axis and vitamin D [PDF]
Frontiers in PediatricsObjectiveTo explore the correlation between orthostatic intolerance in children and levels of the ACE2-Ang(1-7)-Mas axis and vitamin D.MethodsBlood samples were collected from 84 children with orthostatic intolerance and 307 healthy controls.
Yao Xiao +4 more
doaj +2 more sources
Post-exercise Body Cooling: Skin Blood Flow, Venous Pooling, and Orthostatic Intolerance
Frontiers in Sports and Active Living, 2021 Athletes and certain occupations (e.g., military, firefighters) must navigate unique heat challenges as they perform physical tasks during prolonged heat stress, at times while wearing protective clothing that hinders heat dissipation.
Afton D. Seeley +4 more
doaj +2 more sources