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https://www.readbyqxmd.com/read/28212873/temperament-and-character-personality-dimensions-in-nitrate-tilt-induced-vasovagal-syncope-patients
#1
Vincenzo Russo, Ahmed AlTurki, Anna Rago, Riccardo Proietti, Guillaume Chaussé, Alessio Maria Monteleone, Pasquale Scognamiglio, Palmiero Monteleone, Gerardo Nigro
INTRODUCTION: Vasovagal syncope (VVS) is a clinical syndrome characterized by transient loss of consciousness and postural tone that is due to a temporary and spontaneously self-terminating global cerebral hypoperfusion. It is known that personality modulates the individual's sensitivity to stressors, and emotional arousal and psychologic uncertainty are conditions contributing to vasodepressor syncope. Therefore it is postulated that personality characteristics of VVS patients could have a role in the pathophysiology of VVS...
February 14, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28210037/a-study-on-asymmetry-in-infants-with-congenital-muscular-torticollis-according-to-head-rotation
#2
KyeongSoo Lee, EunJung Chung, Byoung-Hee Lee
[Purpose] The purpose of this study was to research asymmetry in infants with congenital muscular torticollis (CMT) according to head rotation. [Subjects and Methods] 70 infants with CMT were divided into grade I, grade II, and grade III according to the asymmetry of cervical rotation. Patients received ultrasound and massage therapy for 30 minutes, in conjunction with passive stretching exercises, 3 times a week. Repeated measurement results from interventions were presented from baseline, 3 months, and 6 months...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28209740/quantitative-mri-volumetry-diffusivity-cerebrovascular-flow-and-cranial-hydrodynamics-during-head-down-tilt-and-hypercapnia-the-spacecot-study
#3
Larry Allen Kramer, Khader M Hasan, Ashot E Sargsyan, Karina Marshall-Goebel, Jörn Rittweger, Dorit Donoviel, Saki Higashi, Benson Mwangi, Darius A Gerlach, Eric M Bershad
PURPOSE: In order to improve the pathophysiologic understanding of visual changes observed in astronauts, we aimed to use quantitative MRI to measure anatomic and physiologic responses during a ground-based spaceflight analogue (head down tilt, HDT) combined with increased ambient carbon dioxide (CO2). METHODS: Six healthy, male subjects participated in the double-blinded, randomized cross-over design study with two conditions: 26.5 h of -12° HDT with ambient air and with 0...
February 16, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28200011/increased-aldosterone-release-during-head-up-tilt-in-early-primary-hypertension
#4
Annemarie Reinold, Andreas Schneider, Tatjana Kalizki, Ulrike Raff, Markus P Schneider, Roland E Schmieder, Bernhard M W Schmidt
No abstract text is available yet for this article.
February 15, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28197113/what-is-seen-is-who-you-are-are-cues-in-selfie-pictures-related-to-personality-characteristics
#5
Bojan Musil, Andrej Preglej, Tadevž Ropert, Lucia Klasinc, Nenad Č Babič
Developments and innovation in the areas of mobile information technology, digital media and social networks foster new reflections on computer-mediated communication research, especially in the field of self-presentation. In this context, the selfie as a self-portrait photo is interesting, because as a meaningful gesture, it actively and directly relates the content of the photo to the author of the picture. From the perspective of the selfie as an image and the impression it forms, in the first part of the research we explored the distinctive characteristics of selfie pictures; moreover, from the perspective of the potential reflection of a selfie image on the personality of its author, in the second part we related the characteristics of selfie pictures to various personality constructs (e...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28191589/assessment-of-musculoskeletal-impairment-in-head-and-neck-cancer-patients
#6
Michael K Ghiam, Kyle Mannion, Mary S Dietrich, Kristen L Stevens, Jill Gilbert, Barbara A Murphy
PURPOSE: This study aims to describe the types of musculoskeletal impairment in head and neck cancer survivors and to evaluate objective and subjective measures of musculoskeletal impairment and identify areas of need in future studies. METHODS: This is a cross-sectional pilot study of 29 head and neck cancer patients who were treated with resection and reconstruction. Subjective measures of musculoskeletal impairment (Neck Disability Index, Shoulder Pain and Disability Index, Vanderbilt Head and Neck Symptom Survey, General Symptom Survey) were collected and compared to objective measures (Cervical Range of Motion Device, Inter-incisal Distance)...
February 13, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28185320/orientation-of-the-lateral-semicircular-canal-in-xenarthra-and-its-links-with-head-posture-and-phylogeny
#7
Florence Coutier, Lionel Hautier, Raphaël Cornette, Eli Amson, Guillaume Billet
The orientation of the semicircular canals of the inner ear in the skull of vertebrates is one of the determinants of the capacity of this system to detect a given rotational movement of the head. Past functional studies on the spatial orientation of the semicircular canals essentially focused on the lateral semicircular canal (LSC), which is supposedly held close to horizontal during rest and/or alert behaviors. However, they generally investigated this feature in only a few and distantly related taxa. Based on 3D-models reconstructed from µCT-scans of skulls, we examined the diversity of orientations of the LSC within one of the four major clades of placental mammals, that is, the superorder Xenarthra, with a data set that includes almost all extant genera and two extinct taxa...
February 10, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28182163/which-is-preferable-for-orthostatic-hypotension-diagnosis-in-older-adults-active-standing-test-or-head-up-tilt-table-test
#8
Ali Ekrem Aydin, Pinar Soysal, Ahmet Turan Isik
BACKGROUND: Correct evaluation of orthostatic hypotension (OH) is crucial in geriatric practice, since OH is associated with mortality and morbidity. The study aimed to determine the most appropriate method for measuring blood pressure in transition from supine to upright position in order to diagnose OH in older adults. METHODS: Active standing test (AST) and head-up tilt table (HUT) test as well as comprehensive geriatric assessment (CGA), including mini-mental state examination or the cognitive state test, mini-nutritional assessment, basic and instrumental activities of daily living, and Tinetti performance-oriented mobility assessment indexes, were performed in 290 geriatric patients...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28177714/effects-of-high-protein-intake-on-bone-turnover-in-long-term-bed-rest-in-women
#9
Martina Heer, Natalie Baecker, Petra Frings-Meuthen, Sonja Graf, Sara R Zwart, Gianni Biolo, Scott M Smith
PURPOSE: Bed rest (BR) causes bone loss, even in otherwise healthy subjects. Several studies suggest that ambulatory subjects may benefit from high protein intake to stimulate protein synthesis and to maintain muscle mass. However, increasing protein intake above the recommended daily intake without adequate calcium- and potassium intake may increase bone resorption. We hypothesized that a regimen of high protein intake (HiPROT), applied in an isocaloric manner during BR with calcium and potassium intake meeting recommended values, would prevent any effect of BR on bone turnover...
January 19, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28165592/selection-of-a-surgical-approach-for-total-hip-arthroplasty-according-to-the-depth-to-the-surgical-site
#10
Takaaki Ohmori, Tamon Kabata, Toru Maeda, Yoshitomo Kajino, Tadashi Taga, Kazuhiro Hasegawa, Daisuke Inoue, Takashi Yamamoto, Tomoharu Takagi, Hiroyuki Tsuchiya
BACKGROUND: The surgical depths of approaches for total hip arthroplasty (THA) have not been reported previously. In this study, we investigate the relationships between the distances to the centre of the femoral head in different approaches and body mass index (BMI). METHODS: The study included patients with normal hip joints who presented to our hospital. We used the pelvic coordinate system relative to the anterior pelvic plane and the femur coordinate system relative to the posterior condylar plane...
February 4, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165239/dynamic-structure-and-orientation-of-melittin-bound-to-acidic-lipid-bilayers-as-revealed-by-solid-state-nmr-and-molecular-dynamics-simulation
#11
Kazushi Norisada, Namsrai Javkhlantugs, Daisuke Mishima, Izuru Kawamura, Hazime Saitô, Kazuyoshi Ueda, Akira Naito
Melittin is a venom peptide that disrupts lipid bilayers at temperatures below the liquid-crystalline to gel phase transition temperature (Tc). Notably, the ability of melittin to disrupt acidic dimyristoylphosphatidylglycerol (DMPG) bilayers was weaker than its ability to disrupt neutral dimyristoylphosphatidylcholine bilayers. The structure and orientation of melittin bound to DMPG bilayers were revealed by analyzing the (13)C chemical shift anisotropy of [1-(13)C]-labeled melittin obtained from solid-state (13)C NMR spectra...
February 15, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28159014/plasma-pro-atrial-natriuretic-peptide-to-estimate-fluid-balance-during-open-and-robot-assisted-esophagectomy-a-prospective-observational-study
#12
Rune Broni Strandby, Rikard Ambrus, Niels H Secher, Jens Peter Goetze, Michael Patrick Achiam, Lars Bo Svendsen
BACKGROUND: It remains debated how much fluid should be administered during surgery. The atrial natriuretic peptide precursor proANP is released by atrial distension and deviations in plasma proANP are reported associated with perioperative fluid balance. We hypothesized that plasma proANP would decrease when the central blood volume is compromised during the abdominal part of robot-assisted hybrid (RE) esophagectomy and that a positive fluid balance would be required to maintain plasma proANP...
February 3, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28140353/basic-cardiovascular-variability-signals-mutual-directed-interactions-explored-in-the-information-domain
#13
Michal Javorka, Jana Krohova, Barbora Czippelova, Zuzana Turianikova, Zuzana Lazarova, Kamil Javorka, Luca Faes
The study of short-term cardiovascular interactions is classically performed through the bivariate analysis of the interactions between the beat-to-beat variability of heart period (RR interval from the ECG) and systolic blood pressure (SBP). Recent progress in the development of multivariate time series analysis methods is making it possible to explore how directed interactions between two signals change in the context of networks including other coupled signals. Exploiting these advances, the present study aims at assessing directional cardiovascular interactions among the basic variability signals of RR, SBP and diastolic blood pressure (DBP), using an approach which allows direct comparison between bivariate and multivariate coupling measures...
January 31, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28139516/effects-of-head-down-tilt-on-nerve-conduction-in-rhesus-monkeys
#14
Bo Sun, Xiao-Yun Zhang, Li-Zhi Liu, Zhao-Hui Chen, Zhong-Quan Dai, Xu-Sheng Huang
BACKGROUND: Few studies have focused on peripheral nerve conduction during exposure to microgravity. The -6° head-down tilt (HDT) comprises an experimental model used to simulate the space flight environment. This study investigated nerve conduction characteristics of rhesus monkeys before and after prolonged exposure to HDT. METHODS: Six rhesus monkeys (3-4 years old) were tilted backward 6° from the horizontal. Nerve conduction studies (NCSs) were performed on the median, ulnar, tibial, and fibular motor nerves...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28137249/multiplanar-evaluation-of-radiological-findings-associated-with-acetabular-dysplasia-and-investigation-of-its-prevalence-in-an-asian-population-a-ct-based-study
#15
Tomohiro Mimura, Kanji Mori, Masahiro Kitagawa, Mariko Ueki, Yuki Furuya, Taku Kawasaki, Shinji Imai
BACKGROUND: Acetabular dysplasia (AD) is a well-known cause of osteoarthritis (OA) of the hip, with its prevalence previously determined on plain radiography. The prevalence of preexisting AD was reported as 7.3% in a patient-based Asian population. Although computed tomography (CT) could evaluate AD in multiple planes, its prevalence using multiplanar CT images has not been reported. We investigated its prevalence with CT on coronal, axial, and sagittal planes and then determined if adding the axial and sagittal planes enhanced the investigation...
January 31, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28118192/novel-treatment-planning-of-hemimandibular-hyperplasia-by-the-use-of-three-dimensional-computer-aided-design-and-computer-aided-manufacturing-technologies
#16
Muhanad M Hatamleh, Elizabeth Yeung, Jonas Osher, Chrisopher Huppa
RATIONALE AND AIM: Hemimandibular hyperplasia is characterized by an obvious overgrowth in the size of the mandible on one side, which can extend up to the midline causing facial asymmetry. Surgical resection of the overgrowth depends heavily on the skill and experience of the surgeon. This report describes a novel methodology of applying three-dimensional computer-aided-design and computer-aided-manufacturing principles in improving the outcome of surgery in 2 mandibular hyperplasia patients...
January 23, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28112023/cerebral-collateral-therapeutics-in-acute-ischemic-stroke-a-randomized-preclinical-trial-of-four-modulation-strategies
#17
Simone Beretta, Alessandro Versace, Davide Carone, Matteo Riva, Valentina Dell'Era, Elisa Cuccione, Ruiyao Cai, Laura Monza, Silvia Pirovano, Giada Padovano, Fabio Stiro, Luca Presotto, Giovanni Paternò, Emanuela Rossi, Carlo Giussani, Erik P Sganzerla, Carlo Ferrarese
Cerebral collaterals are dynamically recruited after arterial occlusion and highly affect tissue outcome in acute ischemic stroke. We investigated the efficacy and safety of four pathophysiologically distinct strategies for acute modulation of collateral flow (collateral therapeutics) in the rat stroke model of transient middle cerebral artery (MCA) occlusion. A composed randomization design was used to assign rats (n = 118) to receive phenylephrine (induced hypertension), polygeline (intravascular volume load), acetazolamide (cerebral arteriolar vasodilation), head down tilt (HDT) 15° (cerebral blood flow diversion), or no treatment, starting 30 min after MCA occlusion...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28106696/use-of-acellular-dermal-matrix-in-treatment-of-congenital-muscular-torticollis-in-patients-over-eight-years-of-age
#18
Hyung Min Hahn, Kyung Hoon Cook, Il Jae Lee, Dong Ha Park, Myong Chul Park
BACKGROUND: Treatment for neglected or recurred congenital muscular torticollis should be differentiated from primary patients due to the long-standing adjacent tissue contracture. The aim of this study was to evaluate the effect of acellular dermal matrix (ADM) on surgery of recurred and neglected patients of congenital muscular torticollis. METHODS: Forty-nine patients were included in the study. All patients underwent resection at the distal end of the sternocleidomastoid muscle...
January 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28103546/quantifying-net-synergy-redundancy-of-spontaneous-variability-regulation-via-predictability-and-transfer-entropy-decomposition-frameworks
#19
Alberto Porta, Vlasta Bari, Beatrice De Maria, Anielle C M Takahashi, Stefano Guzzetti, Riccardo Colombo, Aparecida M Catai, Ferdinando Raimondi, Luca Faes
OBJECTIVE: Indexes assessing the balance between redundancy and synergy were hypothesized to be helpful in characterizing cardiovascular control from spontaneous beat-to-beat variations of heart period (HP), systolic arterial pressure (SAP) and respiration (R). METHODS: Net redundancy/synergy indexes were derived according to predictability and transfer entropy decomposition strategies via a multivariate linear regression approach. Indexes were tested in two protocols inducing modifications of the cardiovascular regulation via baroreflex loading/unloading (i...
January 17, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28092926/effect-of-gravity-and-microgravity-on-intracranial-pressure
#20
Justin S Lawley, Lonnie G Petersen, Erin J Howden, Satyam Sarma, William K Cornwell, Rong Zhang, Louis A Whitworth, Michael A Williams, Benjamin D Levine
Astronauts have recently been discovered to have impaired vision, with a presentation that resembles syndromes of elevated intracranial pressure (ICP). This syndrome is considered the most mission critical medical problem identified in the past decade of manned spaceflight. We recruited five men and three women who had an Ommaya reservoir inserted for the delivery of prophylactic central nervous system chemotherapy, but were free of their malignant disease for at least 1 year. ICP was assessed by placing a fluid-filled 25 ga butterfly needle into the Ommaya reservoir...
January 16, 2017: Journal of Physiology
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