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Position Effect - Crossref

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Last Updated: 17 August 2022

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Effect of body position on respiratory system volumes in anesthetized red-tailed hawks (Buteo jamaicensis) as measured via computed tomography

u2014 To determine the effects of body position on lung and air-sac volumes in anesthetized and spontaneously breathing red-tailed hawks, the ultimate aim is to determine the effects of body position on lung and air-sac volumes. In anesthetized hawks in three body positions: dorsal, right lateral, and sternal recumbency, a three-body study scheme was used to quantify lung and air-sac volumes in anesthetized hawks. From helical computed tomographic images, volumetric analysis of CT data was calculated, including lung volume, lung density, and air-sac volume. SD lung density was lowest when hawks were in sternal remumbency, followed by right lateral and dorsal recumbency. The mean lung volume was the most important in sternal recumbency, followed by right lateral and dorsal recumbency. u2014: Conclusions and Clinical Relevance (u2014)In anesthetized red-tailed hawks, positioning in sternal recumbency resulted in the highest lung and air-sac volumes and lowest lung density, as compared to those in right lateral and dorsal recumbency.

Source link: https://doi.org/10.2460/ajvr.70.9.1155


Effect of body position on intraocular pressure in dogs without glaucoma

Abstract Objectivism u2014To determine the effects of body position on intraocular pressure in dogs without glaucoma. Following the change from one body position to the next, body positions were randomly assigned; each position followed the other positions an equal number of times; and IOP measurements were initiated immediately after moving from one body position to the next. Proparacaine hydrochloride was applied to the right eye immediately before IOP results were obtained. During the 5-minute examination, IOP decreased significantly in dogs that were dorsally recumbent or sitting, but not so much in dogs that were sternly recumbent. The mean IOP in dorsal recumbency was significantly higher than that in sternal recumbency at 0 and 3 minutes, although the former was still much higher than that in sitting position at 3 minutes; however, the difference was not significant. IOP in dogs is influenced by a u2014Body's geographic location, according to their conclusions and clinical relevance.

Source link: https://doi.org/10.2460/ajvr.69.4.527


Effects of body position and clinical signs on L7-S1 intervertebral foraminal area and lumbosacral angle in dogs with lumbosacral disease as measured via computed tomography

Abstract Objective :u2014 Objective : U2014 To quantify the effects of dog positioning on the L7-S1 intervertebral foraminal area and lumbosacral angle by means of computed tomography and see if changes in measurements between positions are related to clinical characteristics of LS disease dogs with clinical characteristics. l'04 At the time of CT testing, one individual who was unaware of CT findings reported medical status with respect to three signs of LS disease at the time of the examination. The change in the L7-S1 foraminal area or LS angle was not significant different between dogs with and without each clinical sign. With versus without ipsilateral hind limb lameness and LS pain, there was a significant correlation between percentage change in the L7-S1 foraminal area and the LS angle in dogs, with compared to dogs without ipsilateral hind limb lameness and LS pain. u2014Positional CT is a novel way to measure dynamic changes in dogs with LS disease's L7-S1 intervertebral foraminal morphology.

Source link: https://doi.org/10.2460/ajvr.69.11.1446


A maintenance activity scheduling with time-and-position dependent deteriorating effects

We deal with a single-machine scheduling issue with an optional maintenance service, where the actual processing time of a job is a function of its starting time and location.

Source link: https://doi.org/10.3934/mbe.2022547


The Effects of Implant Position, Design and Wear on the Range of Motion after Total Hip Arthroplasty

Impingement of a complete hip prosthesis may result in restricted mobility of movement, dislocation, and material failure. The artificial joint's movement may be limited by wear and design features. The effect of displacement of the center of rotation was investigated in a three-dimensional CAD simulation. Using ceramic cups, the inclination angle should be about 45°u00b0, the anteversion angle about 15u00b0, and the stem antetorsion is between 0u00b0 and 15u00b0. With rising cup position, the likelihood of flexion increases, but a sense of dislocation increases, as does rim fracture, and so does rim fracture, as well as the penetration and wear rate of polyethylene cups. In particular for the care of young and active patients, modern total hip prostheses should have sufficient joint mobility, precise positioning of components, and low wear bearing couples.

Source link: https://doi.org/10.1177/112070000101100203


Ultrasound evaluation of mid-urethral sling position: A potential predictor of outcomes and adverse effects

Participants/Materials, Setting, Methods: An endovaginal ultrasound was used to determine the urethral length, sling distance to the bladder neck, and urethra longitudinal smooth muscle. The Sling position relative to BN was not associated with surgical outcomes and complications; however, mean sling-LSM in patients with exposure was significantly higher than those who did not. Similarly, patients with worsened or de novo overactive bladder symptoms had a significant mean sling-LSM distance relative to patients with improved OAB symptoms. Mean sling-LSM distance was lower in patients with recurrent urinary tract infection, voiding dysfunction, and elevated stress urinary incontinence, but patients with dyspareunia following surgery had a higher mean sling-LSM distance, although patients with dyspareunia after surgery had greater mean sling-LSM distance, but these differences were not statistically significant. With increased exposure and low sling-LSM distance, increased satisfaction, probability of voiding error, and recurrent UTI, increased satisfaction were linked with increased satisfaction, higher satisfaction rate, risk of voiding failure, and recurrent UTIs.

Source link: https://doi.org/10.1159/000526506


Effects of animal position and number of repeated measurements on selected two-dimensional and M-mode echocardiographic variables in healthy dogs

M-mode measurements of the left ventricular end-diastolic and left ventricular end-systolic diameters, left ventricular free-wall thickness in diastole and systole, left ventricular shortening fraction, and two-dimensional measurements of the left atrial diameter-to-aortic diameter ratio were among the items tested. Both operators' repeatability and left ventricular freewall thickness in diastole, left ventricular freewall thickness in diastole, left ventricular freewall thickness in systole, and left ventricular freewall thickness in systole, left ventricular freewall thickness in systole, left ventricular freewall thickness in diastole, and left ventricular freewall thickness in systole, and left ventricular end-t axial length, and left aortic diametersysysysysy, left ventricular free-wall thickness in diay he left sy, and left sysysy, and left a e, and left asysysysysysysysysysysysysysysysysysysysysysysysysysysysysysysysysysysysysysy Conclusions and Clinical Relevance U2014 (u2014) a2010Within-day variability of conventional echocardiography with the dog in the standing position, it was at least as good as that obtained with the dog in lateral recumbency for the majority of measured variables. One measurement of each variable may be sufficient for trained observers looking at dogs that do not have an arrhythmia.

Source link: https://doi.org/10.2460/javma.2005.227.743


The impact of increasing the availability of lower energy foods for home delivery and socio-economic position: a randomised control trial examining effects on meal energy intake and later energy intake

However, it is also unknown how many factors may have resulted in consumers' drop-offs in energy intake due to lower energy intake choices, which may lead to consumers' retirements later this year, although it is unclear how much time a consumer's experience may differ based on socioeconomic status. In participants of a higher vs. lower energy meal choice, the impact of increasing availability of lower energy meal options on immediate meal consumption and subsequent energy intake in participants of higher vs. . Seventy-seven UK adults selected meals from a supermarket ready meal menu with standard and higher availability of lower energy options in a within-subjects project. In participants from lower and higher SEPs, the effects of more readily available lower energy food items were similar. An increasingly available variety of lower energy food items is likely to be an efficient and equitable way to reducing energy intake, which may be helpful in improving diet and population health.

Source link: https://doi.org/10.1017/s0007114522002197


Use of the 3D exoscope for the supracerebellar infratentorial approach in the concorde position: an effective and ergonomic alternative. Illustrative cases

This strategy, as the surgeon's seat position causes technological difficulties, forces the surgeon to sit in uncomfortable posture while doing the microsurgical dissection/tumor resection under microscope, and is also associated with an elevated risk of venous air embolism. Opinions (OBSERVATIONS) In this essay, the authors explore the use of the three-dimensional exoscope in the pineal region, posterior third ventricle, and the superior surface of the cerebellar vermis. Lesson The use of the 3D exoscope in the patient's position in the prone Concorde position is a more cost-effective and ergonomically advantageous alternative to the traditional sitting position for the treatment of lesions necessing a supracerebellar infratentorial therapy.

Source link: https://doi.org/10.3171/case21626


The Effect of Elbow and Forearm Position on the Resisted Wrist Extension Test and Incidence of Sensory Disturbance of the Superficial Radial Nerve in Patients with Lateral Epicondylitis

Background: The purpose of this study is to determine the effect of elbow and forearm positions on the resisted wrist stretching test in patients with lateral epicondylitis. We also investigated the incidence of related sensory disturbance of the superficial radial nerve and the effects of therapeutic lateral epicondylitis on sensory disturbance. Patients with lateral epicondylitis were divided into two groups based on the history of corticosteroid injection. Conclusions: The RWET's optimism rate was significantly higher in the EP position relative to the FP, ES, and the FS positions in leg limbs with lateral epicondylitis, which was also higher in leg limbs with lateral epicondylitis. Conclusions: The RWET's ability and specificity are enhanced when it is administered with the elbow in extension with the forearm pronated; 62% of lateral epicondylitis limbs were found to have a corresponding sensory disruption; and, a corticosteroid injection seems to reduce the incidence of sensory disturbances.

Source link: https://doi.org/10.1142/s2424835522500667

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions