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https://www.readbyqxmd.com/read/30120624/abnormal-venous-postural-control-multiple-sclerosis-specific-change-related-to-gray-matter-pathology-or-age-related-neurodegenerative-phenomena
#1
Dejan Jakimovski, Matthew Topolski, Kana Kimura, Karen Marr, Sirin Gandhi, Deepa P Ramasamy, Niels Bergsland, Jesper Hagemeier, Bianca Weinstock-Guttman, Robert Zivadinov
BACKGROUND: Autonomic nervous system dysfunction has been previously observed in multiple sclerosis (MS) patients. OBJECTIVE: To assess associations between magnetic resonance imaging-detected neuroinflammatory and neurodegenerative pathology and postural venous flow changes indicative of autonomic nervous system function. METHODS: We used a standardized 3T magnetic resonance imaging protocol to scan 138 patients with MS and 49 healthy controls...
August 17, 2018: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/30120494/feasibility-of-mapping-breast-cancer-with-supine-breast-mri-in-patients-scheduled-for-oncoplastic-surgery
#2
S Joukainen, A Masarwah, M Könönen, M Husso, A Sutela, V Kärjä, R Vanninen, M Sudah
OBJECTIVES: To prospectively determine the feasibility of preoperative supine breast MRI in breast cancer patients scheduled for oncoplastic breast-conserving surgery. METHODS: In addition to a diagnostic prone breast MRI, a supplementary supine MRI was performed with the patient in the surgical position including skin markers. Tumours' locations were ink-marked on the skin according to findings obtained from supine MRI. Changes in tumours' largest diameter and locations between prone and supine MRI were measured and compared to histology...
August 17, 2018: European Radiology
https://www.readbyqxmd.com/read/30117200/three-dimensional-femoral-head-coverage-in-the-standing-position-represents-that-measured-in-vivo-during-gait
#3
Keisuke Uemura, Penny R Atkins, Steve A Maas, Christopher L Peters, Andrew E Anderson
INTRODUCTION: Individuals with over- or under-covered hips may develop hip osteoarthritis. Femoral head coverage is typically evaluated using radiographs, and/or computed tomography (CT) or magnetic resonance images obtained supine. Yet, these static assessments of coverage may not provide accurate information regarding the dynamic, three-dimensional (3-D) relationship between the femoral head and acetabulum. The objectives of this study were to: 1) quantify total and regional 3-D femoral head coverage in a standing position and during gait, and 2) quantify the relationship between 3-D femoral head coverage in standing to that measured during gait...
August 16, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/30117033/comparison-of-ability-of-pulse-pressure-variation-to-predict-fluid-responsiveness-in-prone-and-supine-position-an-observational-study
#4
Achmet Ali, Taner Abdullah, Pulat Akin Sabanci, Lerzan Dogan, Mukadder Orhan-Sungur, Ibrahim Ozkan Akinci
We aimed to compare the ability of pulse pressure variation (PPV) to predict fluid responsiveness in prone and supine positions and investigate effect of body mass index (BMI), intraabdominal pressure (IAP) and static respiratory compliance (CS) on PPV. A total of 88 patients undergoing neurosurgery were included. After standardized anesthesia induction, patients' PPV, stroke volume index (SVI), CS and IAP values were recorded in supine (T1) and prone (T2) positions and after fluid loading (T3). Also, PPV change percentage (PPVΔ% ) between T2 and T1 times was calculated...
August 16, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/30115780/eighty-nine-year-old-woman-with-abdominal-pain-and-vomiting
#5
Joerg Schramm, Andreas Rickenbacher, Dagmar Iris Keller
An 89-year-old female patient presented to the ED with mild abdominal pain and a history of vomiting for 3 days. Because of dementia, further history was unclear. Vital signs were normal. Clinical examination revealed mild abdominal pain without defence or signs of peritonism. Bowel sounds were normal. Lab results showed a white cell count of 16x109 /L, otherwise normal. There was no episode of vomiting during the ED consultation. A supine AXR was performed (figure 1).emermed;35/9/576/F1F1F1Figure 1Supine AXR...
September 2018: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/30115031/effect-of-the-menstrual-cycle-on-circulation-during-combined-spinal-epidural-anaesthesia
#6
Hua Lin, Wen-Zhi Li
BACKGROUND: From adolescence to menopause, hormone levels during the menstrual cycle affect various body systems, from the cardiovascular system to the water and electrolyte balance. This study investigated the effect of different phases of the menstrual cycle on circulatory function relative to changes in body position and combined spinal-epidural anaesthesia (CSEA). METHODS: Forty-six women were selected who underwent scheduled gynaecological surgery, were classified as American Society of Anesthesiology (ASA) I-II, and met the test criteria...
August 17, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/30115011/the-effect-of-patient-positions-on-perfusion-index
#7
Hakan Tapar, Serkan Karaman, Serkan Dogru, Tugba Karaman, Aynur Sahin, Gulsen Genc Tapar, Fatih Altiparmak, Mustafa Suren
BACKGROUND: The optimal position for surgery is one in which the patient is provided the best possible surgical intervention and put at minimum risk. Different surgical positions may cause changes in tissue perfusion. This study investigates the relationship between surgical patient positions and perfusion index. METHODS: A sample of 61 healthy individuals with no peripheral circulatory disorders, chronic diseases, or anemia was included in this study. Participants held six different positions: supine, prone, 45-degree sitting-supine, 45-degree supine with legs lifted, Trendelenburg (45-degrees head down), and reverse Trendelenburg (45-degrees head up)...
August 17, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/30114702/reproducibility-and-clinical-correlates-of-supine-diaphragmatic-motion-measured-by-m-mode-ultrasonography-in-healthy-volunteers
#8
Simone Scarlata, Damiana Mancini, Alice Laudisio, Augusto Benigni, Raffaele Antonelli Incalzi
BACKGROUND: Assessing diaphragm mobility is important to detect malfunctions or impending exhaustion and to evaluate the effects of many chest and abdominal conditions on respiratory mechanics. Amongst several imaging methods, ultrasonography represents the only noninvasive, nonionizing imaging technique widely available for the direct assessment of diaphragm excursion. OBJECTIVES: the aim of this study is to prospectively assess the supine diaphragmatic motion amplitude, intra- and inter-observer agreement, and anthropometric correlates of diaphragm motion variability, measured through M-mode ultrasonography, in a sample of healthy volunteers...
August 16, 2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/30114541/unilateral-supraorbital-approach-to-clip-bilateral-posterior-communicating-artery-aneurysms-2-dimensional-operative-video
#9
Jun Wang, Feng Xu
This video demonstrates bilateral posterior communicating artery (PCoA) aneurysms that were treated through a unilateral supraorbital approach. A 53-year-old woman presented with a Hunt-Hess grade I subarachnoid hemorrhage (SAH). Computed tomography scan showed SAH in the left sylvian fissure and basal cistern. Angiography demonstrated bilateral aneurysms of the PCoA. Considering posteromedial projection of the contralateral aneurysm, unilateral approach from the side of the ruptured aneurysm was chosen to clip bilateral aneurysms...
August 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/30112205/effect-of-gravity-and-task-specific-training-of-elbow-extensors-on-upper-extremity-function-after-stroke
#10
Mohamed E Khallaf
Background: In individuals with hemiparetic stroke, reaching with the paretic arm can be impaired by abnormal muscle coactivation. Prior trails for improving upper extremity functions after stroke have underestimated the role of gravitational force in motor planning and execution. Objective: The aims this trial were to study the effect of gravity as a facilitator for elbow extension and to estimate the immediate and retention effects of task specific training of elbow extensors on upper extremity function after stroke...
2018: Neurology Research International
https://www.readbyqxmd.com/read/30111467/-effect-of-prone-positioning-on-respiratory-function-in-very-preterm-infants-undergoing-mechanical-ventilation
#11
Qing-Hua Zhong, Jiang Duan, Cai-Ying Zhang, Yan-Li Feng, Zhi-Ye Qi, Xiang-Ying He, Kun Liang
OBJECTIVE: To explore the effect of prone positioning on respiratory function in very preterm infants undergoing mechanical ventilation. METHODS: A total of 83 very preterm infants treated with mechanical ventilation were enrolled in the study and were randomly assigned to supine group and prone group. Four infants withdrew from the study and 79 infants completed treatment and observation (37 in the supine group and 42 in the prone group). Infants in both groups were mechanically ventilated in a volume assist-control mode...
August 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/30111311/open-reduction-and-internal-fixation-with-bone-grafts-for-comminuted-mason-type-ii-radial-head-fractures
#12
Guanyi Liu, Erman Chen, Dingli Xu, Weihu Ma, Leijie Zhou, Jianming Chen, Zhijun Pan
BACKGROUND: The use of bone graft for the radial head fractures has been previously described and occasionally used by other authors.This is the first paper, to my knowledge, dealing with the relevant issue about the importance that the use of an autologous bone graft can have on the radial head fractures. METHODS: From July 2010 to July 2014, 20 consecutive patients who underwent open reduction and internal fixation for a closed Mason type II radial head fracture were retrospectively reviewed...
August 16, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/30110509/brief-periods-of-inactivity-reduce-leg-microvascular-but-not-macrovascular-function-in-healthy-young-men
#13
Jennifer R Vranish, Benjamin E Young, Brandi Y Stephens, Jasdeep Kaur, Jaume Padilla, Paul J Fadel
NEW FINDINGS: What is the central question of this study? We aimed to examine leg vascular responses to brief periods of inactivity. What is the main finding and its importance? We demonstrate that a mere 10 min of sitting is sufficient to impair leg microvascular function (reactive hyperaemia). However, conduit artery vasodilatation (flow-mediated dilatation) was unaffected, indicating maintained macrovascular function. Interestingly, immobile supine rest also resulted in a reduction in microvascular function alone that was prevented when calf muscle contractions were performed...
August 15, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/30110046/effects-of-coexistence-hypertension-and-type-ii-diabetes-on-heart-rate-variability-and-cardiorespiratory-fitness
#14
Daniela Bassi, Ramona Cabiddu, Renata G Mendes, Natália Tossini, Vivian M Arakelian, Flávia C R Caruso, José C Bonjorno Júnior, Ross Arena, Audrey Borghi-Silva
BACKGROUND: Type 2 diabetes Mellitus (T2DM) is associated with cardiac autonomic dysfunction, which is an independent predictor of mortality in chronic diseases. However, whether the coexistence of systemic arterial hypertension (HTN) with DMT2 alters cardiac autonomic modulation remains unknown. OBJECTIVE: To evaluate the influence of HTN on cardiac autonomic modulation and cardiorespiratory fitness in subjects with DMT2. METHODS: 60 patients of both genders were evaluated and allocated to two groups: DMT2 patients (n = 32; 51 ± 7...
July 2018: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/30109792/successful-treatment-of-extremely-severe-obstructive-sleep-apnea-with-a-dental-appliance
#15
Yaron Haviv, Lilach Kamer, Roee Sheinfeld, Galit Almoznino, Gideon Bachar
BACKGROUND: A dental appliance for obstructive sleep apnea (OSA) is recommended for patients who cannot adjust to continuous positive airway pressure (CPAP) treatments. OBJECTIVES: To describe patients with extremely severe OSA who were successfully treated with a dental appliance and to compare their characteristics with the relevant literature to identify clinical features associated with a good outcome. METHODS: The clinical, management, and outcome data of three patients with an apnea-hypopnea index (AHI) of > 80 who showed clinical improvement following treatment with a dental appliance were collected retrospectively from sleep laboratory reports in Israel over a period of 3 years...
July 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/30109015/assumed-lighting-direction-in-the-interpretation-of-cast-shadows
#16
Tomomi Koizumi, Hiroyuki Ito, Shoji Sunaga, Masaki Ogawa, Erika Tomimatsu
Assumed lighting direction in cast-shadow interpretation was investigated. Experiment 1 used an ambiguous object-shadow-matching task to measure bias in shadow-matching direction. The shadow-matching bias was largest when the lighting direction was on average 38.3° left from above (a median of 25.1°). Experiment 2 tested the effect of body posture (head orientation) on cast-shadow interpretation using stimuli aligned in a head-centrically vertical or horizontal orientation. The below-shadow (light-from-above) bias in the head-centric frame was robust across the sitting upright, reclining-on-the-left-side, reclining-on-the-right-side, and supine conditions...
July 2018: I-Perception
https://www.readbyqxmd.com/read/30106851/patient-positioning-during-in-office-otologic-procedures-impacts-physician-ergonomics
#17
Nandini Govil, William M DeMayo, Barry E Hirsch, Andrew A McCall
OBJECTIVE: The purpose of this study was to evaluate the impact of patient positioning on physician ergonomics during in-office otologic procedures. A previous simulation study suggested that placing patients supine during in-office otology procedures is ergonomically favorable. This study aims to substantiate these findings during the routine care of patients in an otolaryngology practice setting. STUDY DESIGN: Observational study. SETTING: Outpatient otology clinic within tertiary care facility...
August 13, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/30106673/a-high-definition-non-invasive-neuromuscular-electrical-stimulation-system-for-cortical-control-of-combinatorial-rotary-hand-movements-in-a-human-with-tetraplegia
#18
Nicholas Annetta, Jeffrey Friend, Andrew Schimmoeller, Vimal S Buck, David Friedenberg, Chad E Bouton, Marcia A Bockbrader, Patrick Ganzer, Sam Colachis, Mingming Zhang, W Jerry Mysiw, Ali R Rezai, Gaurav Sharma
OBJECTIVE: Paralysis resulting from spinal cord injury (SCI) can have a devastating effect on multiple arm and hand motor functions. Rotary hand movements, such as supination and pronation, are commonly impaired by upper extremity paralysis, and are essential for many activities of daily living. In this proof-of-concept study, we utilize a neural bypass system (NBS) to decode motor intention from motor cortex to control combinatorial rotary hand movements elicited through stimulation of the arm muscles, effectively bypassing the SCI of the study participant...
August 7, 2018: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/30106320/heart-sparing-breast-cancer-radiotherapy-using-continuous-positive-airway-pressure-cpap-and-conventional-supine-tangential-fields-an-alternative-method-for-patients-with-limited-accessibility-to-advanced-radiotherapy-techniques
#19
https://www.readbyqxmd.com/read/30105515/maternal-knowledge-and-unsafe-baby-sleep-position-a-cross-sectional-survey-in-southern-brazil
#20
Juraci A Cesar, Luana P Marmitt, Marina X Carpena, Franciele G Pereira, Jose D Macedo Neto, Nelson A Neumann, Jayshlyn D Acevedo
Objective to evaluate women's knowledge about the best baby sleeping position and to identify factors associated with a greater probability of putting infants to sleep in an unsafe position, in Rio Grande, Southern Brazil. Method This is a cross-sectional population-based study that included all women who bore children in 2013 in this municipality. A single, standardized questionnaire was given within 48 h after delivery in the only two local maternity hospitals. The outcome was that women reported the lateral and the ventral decubitus as the best sleeping positions for babies...
August 13, 2018: Maternal and Child Health Journal
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