Results 11 to 20 of about 176,026 (261)
Background and purpose: In (ultra-)hypofractionation, the contribution of intrafraction motion to treatment accuracy becomes increasingly important. Our purpose was to evaluate intrafraction motion and resulting geometric uncertainties for breast tumor ...
Maureen L Groot Koerkamp +5 more
doaj +1 more source
Kappa angles in different positions in patients with myopia during LASIK [PDF]
AIM: To investigate the difference in kappa angle between sitting and supine positions during laser-assisted in situ keratomileusis (LASIK). METHODS: A retrospective study was performed on 395 eyes from 215 patients with myopia that received LASIK. Low,
Hui Qi +4 more
doaj +1 more source
The supine position for elbow surgery [PDF]
It is not possible to turn patients who have spinal injuries, unstable pelvic injuries requiring an external fixator and polytrauma patients prior to spinal clearance. We describe a simple technique to overcome these problems while maintaining the access required for emergent and elective elbow surgery.
Wijeratna, MD +2 more
openaire +2 more sources
IOP Variations in the Sitting and Supine Positions [PDF]
The aim of this study was to assess the influence of the position (upright vs. supine) in the intraocular pressure (IOP) measured with a non-contact portable tonometer.Fifty university students with a mean age of 22.3±4.2 years (mean±SD) were recruited to participate in this study. IOP was measured with the non-contact tonometer Keeler, Pulsair EasyEye.
Jorge, Jorge +6 more
openaire +3 more sources
A left lateral body position increases pulmonary vein stress in healthy humans
Pulmonary vein (PV) stretch is proarrhythmic for atrial fibrillation (AF). AF patients often report that a left lateral (LL) body position can trigger arrhythmia symptoms.
Lisa A. Gottlieb +9 more
doaj +1 more source
Postural Effect on Obstructive Sleep Apnea: Sitting Versus Supine [PDF]
Postural effects on breathing are evident in most patients with obstructive sleep apnea. However, the impact varies depending on an individual’s habitual sleeping position. Here, an age 40 obese male with typical sleep apnea symptoms is presented. He had
Ki-Hwan Ji
doaj +1 more source
Effects of Supine and Prone Positions on Nasal Patency in Healthy Individuals
Objectives: Supine position reduces nasal patency compared with that in the sitting position; however, data on the effects of prone position on nasal patency is lacking.
Geng-He Chang MD +7 more
doaj +1 more source
Background. This systematic review and meta-analysis of randomized controlled trials (RCTs) was performed to compare the safety and efficacy of supine vs. nonsupine positions during intubation. Methods.
Chriselyn F. Palma +7 more
doaj +1 more source
Supine Hypotension Syndrome pada Kehamilan
Supine hypotension syndrome (SHS) can occur starting from the second trimester of pregnancy and is defined as a reduction of systolic blood pressure of ≥30% in the supine position compared to lateral position.
Dewi Yulianti Bisri +2 more
doaj +1 more source
Objective:This study was designed to evaluate the effect of supine and prone position priority on oxygen saturation and heart rate in preterm newborns receiving respiratory support.Methods:This was a randomized controlled study. Preterm newborns who were
Sultan BEŞİKTAŞ, Emine EFE
doaj +1 more source

