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https://www.readbyqxmd.com/read/30517574/influence-of-support-surfaces-on-the-distribution-of-body-interface-pressure-in-surgical-positioning
#1
Karoline Faria de Oliveira, Patrícia da Silva Pires, Ana Lúcia De-Mattia, Elizabeth Barichello, Cristina Maria Galvão, Cleudmar Amaral de Araújo, Maria Helena Barbosa
OBJECTIVE: to evaluate the interface pressure (IP) of support surfaces (SSs) on bony prominences. METHOD: a quasi-experimental study with repeated measures on each SS. Twenty healthy adult volunteers participated in the study. The participants were placed in the supine position on a standard operating table for evaluation of IP on the bony prominences of the occipital, subscapular, sacral, and calcaneal regions using sensors. Seven evaluations were performed for each bony prominence: one on a standard operating table, and the others on tables containing SSs made of viscoelastic polymer, soft foam, or sealed foam...
November 29, 2018: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/30514594/determination-of-optimal-screw-number-based-on-correction-angle-for-main-thoracic-curve-in-adolescent-idiopathic-scoliosis
#2
Masashi Uehara, Jun Takahashi, Shota Ikegami, Hiroki Oba, Shugo Kuraishi, Toshimasa Futatsugi, Takashi Takizawa, Ryo Munakata, Michihiko Koseki, Hiroyuki Kato
BACKGROUND: Reducing the number of screw insertions while maintaining good clinical outcomes can improve the efficiency and cost-effectiveness of scoliosis surgery. However, the optimal minimum number of pedicle screws remains unclear. This study searched for factors to estimate the fewest number of pedicle screws required between end vertebrae in relation to preoperative main thoracic curve flexibility. METHODS: Sixty-nine subjects (4 male and 65 female, mean age: 14...
December 1, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30514330/soft-tissue-restrictors-of-femoral-elevation-in-direct-anterior-approach-an-anatomic-study
#3
Gongyin Zhao, Ruixia Zhu, Shijie Jiang, Chao Xu, Nanwei Xu, Yuji Wang
BACKGROUND: With the patient in a constant supine position, elevation of the femur in THA (DAA) provides a more intuitive and conducive location of the acetabulum for the correct placement of the acetabular prosthesis, but elevation of the femur for broaching becomes more challenging. The purpose of this study is to analyze the restriction of the ischiofemoral ligament and short external rotation muscles, and its effect on the elevation of the proximal femur in the DAA. METHODS: The study subjects comprised 5 freshly frozen cadavers with 10 normal hips...
December 4, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/30510926/value-of-immediate-heart-rate-alteration-from-supine-to-upright-in-differential-diagnosis-between-vasovagal-syncope-and-postural-tachycardia-syndrome-in-children
#4
Chunyan Tao, Selena Chen, Hongxia Li, Yuanyuan Wang, Yuli Wang, Ping Liu, Ying Liao, Chunyu Zhang, Chaoshu Tang, Hongfang Jin, Junbao Du
Objectives: To explore the predictive value of immediate heart rate alteration from supine to upright in the differential diagnosis between vasovagal syncope (VVS) and postural tachycardia syndrome (POTS) in children. Materials and Methods: A total of 76 pediatric outpatients or inpatients who visited the Peking University First Hospital from July 2016 to November 2017 were recruited in the study. Among them, 52 patients were diagnosed with VVS and 24 patients were diagnosed with POTS. The differential diagnostic value of acceleration index (AI) and 30/15 ratio was evaluated by the receiver operating characteristic (ROC) curve...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/30510516/high-intensity-exercise-mitigates-cardiovascular-deconditioning-during-long-duration-bed-rest
#5
Martina A Maggioni, Paolo Castiglioni, Giampiero Merati, Katharina Brauns, Hanns-Christian Gunga, Stefan Mendt, Oliver S Opatz, Lea C Rundfeldt, Mathias Steinach, Anika Werner, Alexander C Stahn
Head-down-tilt bed rest (HDT) mimics the changes in hemodynamics and autonomic cardiovascular control induced by weightlessness. However, the time course and reciprocal interplay of these adaptations, and the effective exercise protocol as a countermeasure need further clarification. The overarching aim of this work (as part of a European Space Agency sponsored long-term bed rest study) was therefore to evaluate the time course of cardiovascular hemodynamics and autonomic control during prolonged HDT and to assess whether high-intensity, short-duration exercise could mitigate these effects...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/30509014/direction-changing-and-direction-fixed-positional-nystagmus-in-patients-with-vestibular-neuritis-and-meniere-disease
#6
Chang-Hee Kim, Jung Eun Shin, Myung Hoon Yoo, Hong Ju Park
Objectives: Direction-changing positional nystagmus (PN) was considered to indicate the presence of benign paroxysmal positional vertigo involving lateral semicircular canal in most cases. We investigated the incidence of PN on the supine head-roll test and compared the characteristics of nystagmus in patients with vestibular neuritis (VN) and Meniere disease (MD). Methods: A retrospective review of patients, who were diagnosed with unilateral VN or unilateral definite MD between September 2005 and November 2011, was conducted...
December 5, 2018: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/30507725/does-the-clinical-phenotype-of-mucolipidosis-iii%C3%AE-differ-from-its-%C3%AE-%C3%AE-counterpart-supporting-facts-in-a-cohort-of-18-patients
#7
Sheela Nampoothiri, Nursel H Elcioglu, Suleyman S Koca, Dhanya Yesodharan, Chandrababu Kk, Vinod Krishnan, Meenakshi Bhat, Mohandas Nair K, Natasha Radhakrishnan, Mahesh Kappanayil, Jayesh J Sheth, Sandra Alves, Francisca Coutinho, Michael J Friez, Richard M Pauli, Sheila Unger, Andrea Superti-Furga, Jules G Leroy, Sara S Cathey
Mucolipidosis-IIIγ (ML-IIIγ) is a recessively inherited slowly progressive skeletal dysplasia caused by mutations in GNPTG. We report the genetic and clinical findings in the largest cohort with ML-IIIγ so far: 18 affected individuals from 12 families including 12 patients from India, five from Turkey, and one from the USA. With consanguinity confirmed in eight of 12 families, molecular characterization showed that all affected patients had homozygous pathogenic GNPTG genotypes, underscoring the rarity of the disorder...
January 2019: Clinical Dysmorphology
https://www.readbyqxmd.com/read/30507565/immediate-effects-of-isometric-trunk-stabilization-exercises-with-suspension-device-on-flexion-extension-ratio-and-strength-in-chronic-low-back-pain-patientss
#8
Sung-Hak Cho, Se-Yeon Park
BACKGROUND: Recent clinical research has supported the use of suspension devices in rehabilitation procedures both in practice and in theory. Although a longitudinal study has reported on the use of suspension devices among asymptomatic subjects, it is necessary to investigate the immediate effects of suspension exercises in patients with CLBP. OBJECTIVE: The present study aims to investigate changes in neuromuscular activation after the prescription of suspension exercises in patients with CLBP...
November 19, 2018: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/30505831/low-sensitivity-of-abbreviated-tilt-table-testing-for-diagnosing-postural-tachycardia-syndrome-in-adults-with-me-cfs
#9
C Linda M C van Campen, Peter C Rowe, Frans C Visser
Introduction: Orthostatic intolerance is common among individuals with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). In some ME/CFS case definitions, orthostatic intolerance is considered a core feature of the disorder. Some studies have employed tilt table tests lasting 2-5 min to diagnose one common form of orthostatic intolerance, postural tachycardia syndrome (POTS). We examined the diagnostic yield of abbreviated durations of tilt testing in adults meeting criteria for ME/CFS, and identified the proportion with POTS misdiagnosed using testing of <10 min...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/30505733/prone-percutaneous-nephrolithotomy-its-advantages-and-our-technique-for-puncture
#10
REVIEW
Diego M Carrion, José Ramón Cansino, Luis M Quintana, Juan Gómez Rivas, Juan Antonio Mainez Rodriguez, José Ramón Pérez-Carral, Luis Martínez-Piñeiro
Percutaneous nephrolithotomy (PCNL) is considered the treatment of choice for large urinary calculi and staghorn lithiasis. The approach for this surgery may be either supine or prone, and different access techniques are described in the literature with the use of ultrasound, fluoroscopy, or both combined. We believe that prone PCNL offers to the urologist key advantages, such as the possibility of puncturing anatomically abnormal urinary tracts, to perform multiple percutaneous tracts in the same kidney, experiencing the vacuum cleaner effect, ease of exploring the upper calyx through the inferior calyx, possibility to perform endoscopic combined intrarenal surgery (ECIRS) and bilateral simultaneous surgery, and to performed over local anesthesia...
December 2018: Translational Andrology and Urology
https://www.readbyqxmd.com/read/30505477/x-ray-indices-of-chest-drain-malposition-after-insertion-for-drainage-of-pneumothorax-in-mechanically-ventilated-critically-ill-patients
#11
Masego Candy Mokotedi, Lukas Lambert, Lucie Simakova, Michal Lips, Michal Zakharchenko, Jan Rulisek, Martin Balik
Background: Chest drain (CD) migration in the pleural cavity may result in inadequate drainage of pneumothorax. The aim of this study was to assess several parameters that might help in diagnosing CD migration on chest X-ray (CXR). Methods: Patients with a CD inserted from the safe triangle with a subsequent supine CXR and CT scan performed less than 24 hours apart were assessed for CD foreshortening, angle of inclination of the CD, and CD tortuosity. CD foreshortening was expressed as a ratio between CD length measured in coronal plane only and CD length inside the pleural cavity measured on CT...
October 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/30504456/testing-of-a-novel-valsalva-assist-device-with-supine-and-modified-positions-in-healthy-volunteers
#12
Isabel FitzGerald, Paul Ewings, Iain Lang, Andy Appelboam
BACKGROUND: The Valsalva manoeuvre (VM) is used to treat supraventricular tachycardia (SVT) by inducing a vagal response (drop in HR). There is debate as to the best position in which to carry out the VM and how the strain should be delivered in practice. We aimed to compare vagal responses induced with supine and modified VMs using strains delivered with a standardised manometer or novel Valsalva Assist Device (VAD), a simple device to provide resistance to exhalation. METHODS: We conducted a repeated measures randomised trial of four VMs (two supine VM and two modified VMs), in healthy adult volunteers, with strains delivered using an adapted sphygmomanometer (manometer) or a VAD...
December 1, 2018: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/30502530/canrenone-on-cardiovascular-mortality-in-congestive-heart-failure-canrenone-effects-on-cardiovascular-mortality-in-patients-with-congestive-heart-failure-the-coffee-it-study
#13
Giuseppe Derosa, Pamela Maffioli, Laura Scelsi, Alessandro Bestetti, Massimo Vanasia, Arrigo F G Cicero, Luca Spinardi, Crescenzio Bentivenga, Daniela Degli Esposti, Massimiliano Caprio, Claudio Borghi, Bertram Pitt, Eugenio Cosentino
AIM: To evaluate canrenone effects compared to other therapies on cardiovascular mortality in patients with chronic heart failure (CHF) and preserved systolic function after 10 years of evaluation. METHODS: We enrolled 502 patients with CHF and preserved systolic function. Patients were followed with a mean follow-up of 10 years: 166 patients were in therapy with canrenone, while 336 patients were in conventional therapy. We re-evaluated these data after 10 years, together with the rate of death and survival...
November 28, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/30502044/high-density-long-lasting-and-multi-region-electrophysiological-recordings-using-polymer-electrode-arrays
#14
Jason E Chung, Hannah R Joo, Jiang Lan Fan, Daniel F Liu, Alex H Barnett, Supin Chen, Charlotte Geaghan-Breiner, Mattias P Karlsson, Magnus Karlsson, Kye Y Lee, Hexin Liang, Jeremy F Magland, Jeanine A Pebbles, Angela C Tooker, Leslie F Greengard, Vanessa M Tolosa, Loren M Frank
The brain is a massive neuronal network, organized into anatomically distributed sub-circuits, with functionally relevant activity occurring at timescales ranging from milliseconds to years. Current methods to monitor neural activity, however, lack the necessary conjunction of anatomical spatial coverage, temporal resolution, and long-term stability to measure this distributed activity. Here we introduce a large-scale, multi-site, extracellular recording platform that integrates polymer electrodes with a modular stacking headstage design supporting up to 1,024 recording channels in freely behaving rats...
November 17, 2018: Neuron
https://www.readbyqxmd.com/read/30502032/outcome-following-excision-of-the-radial-head-in-children-with-open-physes-for-impaired-elbow-motion
#15
Helmut Wegmann, Simon Heider, Michael Novak, Matthias Sperl, Tanja Kraus, Georg Singer, Holger Till
BACKGROUND: Only few reports have described the outcome of pediatric patients following radial head resection. Therefore, the aim of the present study was to assess clinical and radiologic outcome of patients with open physes following resection of the radial head. MATERIALS AND METHODS: Skeletally immature patients treated with resection of the radial head were included. Range of motion (ROM) of the elbow joint was compared with preoperative values. Grip strength, pronation and supination strength, and carrier angle were compared with the unaffected side...
November 27, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/30498930/what-is-the-predictor-of-the-intraoperative-body-temperature-in-abdominal-surgery
#16
Ryohei Miyazaki, Sumio Hoka
PURPOSE: Inadvertent hypothermia is a relatively common intraoperative complication. Few studies have investigated predictors of body temperature change or the effect of the blanket type used with a forced-air warming device during the intraoperative period. We investigated the predictive factors of intraoperative body temperature change in scheduled abdominal surgery. METHODS: We retrospectively reviewed the data from 2574 consecutive adult patients who underwent scheduled abdominal surgery in the supine position...
November 29, 2018: Journal of Anesthesia
https://www.readbyqxmd.com/read/30498520/how-does-a-short-period-of-exercise-effect-toe-pressures-and-toe-brachial-indices-a-cross-sectional-exploratory-study
#17
Peta Ellen Tehan, Sean George Sadler, Sean Michael Lanting, Vivienne Helaine Chuter
Background: Whilst post exercise ankle-brachial indices (ABI) are commonly used to help identify peripheral arterial disease (PAD), the role of post exercise toe pressures (TP) or toe-brachial indices (TBI) is unclear . The aim of this study was to determine, in a population without clinical signs of PAD, the effect that 30 s of weight-bearing heel raises has on TP and TBI values. Additionally, the ability of resting TP and TBI values to predict change in post-exercise values using the heel raise method was investigated...
2018: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/30497657/is-volar-locking-plate-superior-to-external-fixation-for-distal-radius-fractures-a-comprehensive-meta-analysis
#18
Jie Wang, Yandong Lu, Yujie Cui, Xuelei Wei, Jie Sun
OBJECTIVE: The aim of this meta-analysis of randomized controlled trials (RCT) and retrospective cohort studies (CS) regarding the use of volar locking plate (VLP) and external fixation (EF) in distal radius fractures was to determine whether there was any evidence that one treatment was superior to the other. METHODS: The meta-analysis followed the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. Electrical databases (PubMed, EMBASE and the Cochrane library) were retrieved to find RCTs and CSs met the eligibility criteria...
September 2018: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/30489293/computed-tomography-estimated-right-ventricular-function-and-exercise-capacity-in-patients-with-continuous-flow-left-ventricular-assist-devices
#19
Kiran K Mirza, Mette H Jung, Per E Sigvardsen, Klaus F Kofoed, Marie B Elming, Kasper Rossing, Finn Gustafsson
Using four-dimensional (4D) cardiac computed tomography (CCT) scans at rest and immediately after exercise, we examined the right heart chamber sizes and systolic function and its association with exercise capacity in left ventricular assist device (LVAD) recipients. Fifteen patients with HeartMate (HM) II or 3 underwent echocardiography and maximal cardiopulmonary exercise test. Subsequently, contrast-enhanced CCT scans were performed at rest and immediately after two minutes of supine 25 Watt ergometer bike exercise...
November 27, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/30486630/a-comparative-study-of-two-chemo-radiation-regimens-for-the-cancer-of-larynx
#20
Sharad Singh, S N Prasad, Mangesh Korde, Sunny Kumar, Aditya Elhence, Vaibhav Shakya
The region of head and neck is critical for respiration, nutrition, and speech. The management of laryngeal tumours can stimulate mutilations and cosmetic deformities and worsen the life. A “non-operative approach” is preferred for patients to whom radiation following surgery, possibly, will direct severe functional destruction predominantly in advanced stage patients having a bulk of carcinoma larynx. The case material for the study was selected from the cross-section of patients registered at the J. K...
November 29, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
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