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Compression sleeve

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https://www.readbyqxmd.com/read/29766347/towards-alternative-approaches-for-coupling-of-a-soft-robotic-sleeve-to-the-heart
#1
Markus A Horvath, Claudia E Varela, Eimear B Dolan, William Whyte, David S Monahan, Christopher J Payne, Isaac A Wamala, Nikolay V Vasilyev, Frank A Pigula, David J Mooney, Conor J Walsh, Garry P Duffy, Ellen T Roche
Efficient coupling of soft robotic cardiac assist devices to the external surface of the heart is crucial to augment cardiac function and represents a hurdle to translation of this technology. In this work, we compare various fixation strategies for local and global coupling of a direct cardiac compression sleeve to the heart. For basal fixation, we find that a sutured Velcro band adheres the strongest to the epicardium. Next, we demonstrate that a mesh-based sleeve coupled to the myocardium improves function in an acute porcine heart failure model...
May 15, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29729010/lung-morphometry-using-hyperpolarized-129-xe-multi-b-diffusion-mri-with-compressed-sensing-in-healthy-subjects-and-patients-with-copd
#2
Huiting Zhang, Junshuai Xie, Sa Xiao, Xiuchao Zhao, Ming Zhang, Lei Shi, Ke Wang, Guangyao Wu, Xianping Sun, Chaohui Ye, Xin Zhou
PURPOSE: To demonstrate the feasibility of compressed sensing (CS) to accelerate the acquisition of hyperpolarized (HP) 129 Xe multi-b diffusion MRI for quantitative assessments of lung microstructural morphometry. METHODS: Six healthy subjects and six chronic obstructive pulmonary disease (COPD) subjects underwent HP 129 Xe multi-b diffusion MRI (b = 0, 10, 20, 30, and 40 s/cm2 ). First, a fully sampled (FS) acquisition of HP 129 Xe multi-b diffusion MRI was conducted in one healthy subject...
May 4, 2018: Medical Physics
https://www.readbyqxmd.com/read/29693236/benefits-of-bariatric-surgery-on-spinal-epidural-lipomatosis-case-report-and-literature-review
#3
REVIEW
J Valcarenghi, O Bath, H Boghal, M Ruelle, J Lambert
Spinal epidural lipomatosis is an abnormal accumulation of unencapsulated epidural fat causing compression of the neural elements. It can be divided into idiopathic and secondary. Secondary is often associated with chronic steroid use and endocrinopathies. Idiopathic has been associated with obesity. We report a 48-year-old man with obesity and a history of chronic back pain who developed idiopathic spinal epidural lipomatosis diagnosed by magnetic resonance imaging, which subsequently resolved completely after sleeve gastroplasty over a 6-month follow-up period...
April 24, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29675229/lipid-bilayer-environments-control-exchange-kinetics-of-deep-cavitand-hosts-and-enhance-disfavored-guest-conformations
#4
Lizeth Perez, Bethany G Caulkins, Magi Mettry, Leonard J Mueller, Richard J Hooley
The effects on the molecular recognition properties of water-soluble deep cavitand hosts upon embedding them in phosphocholine lipid bilayer environments have been studied by 2D NMR experiments. By employing suitable guests containing 19 F or 13 C nuclei that can be encapsulated inside the host, 2D EXSY NMR experiments can be used to analyze and compare the in/out guest exchange rates in aqueous solution, isotropically tumbling micelles, or magnetically ordered bicelles. These analyses show that embedding the deep cavitands in lipid bilayers slows the guest exchange rate, due to the lipids acting as a "compression sleeve" around the host, restricting guest egress...
February 21, 2018: Chemical Science
https://www.readbyqxmd.com/read/29606499/biotechnologies-toward-mitigating-curing-and-ultimately-preventing-edema-through-compression-therapy
#5
REVIEW
Daniel J Hageman, Shuying Wu, Sharon Kilbreath, Stanley G Rockson, Chun Wang, Melissa L Knothe Tate
For a century-old problem, edema and its treatment have gone remarkably unnoticed by the biomedical community. Given the prevalence of lymphedema and its debilitating repercussions, there is an acute need for both efficacy-based measures and clinical standards to guide compression garment design and therapeutic application. This review outlines the current state of the art in compression treatment and suggests an integrated biomedical engineering approach going forward. Characterizing the pressure gradient profiles of commercial compression sleeves is necessary to better understand the role of compression treatment in the mitigation of swelling...
March 29, 2018: Trends in Biotechnology
https://www.readbyqxmd.com/read/29503694/analysis-of-revision-surgery-of-microsurgical-lumbar-discectomy
#6
Taku Inada, Sei Nishida, Taigo Kawaoka, Toshiyuki Takahashi, Junya Hanakita
Study Design: A retrospective study. Purpose: Our objectives were to determine the association between the pathological changes of disc herniation and the interval between primary and revision surgeries and to investigate the frequency and site of the dural laceration in the primary and revision surgeries. Overview of Literature: Among 382 patients who underwent microsurgical lumbar discectomy, we investigated 29 who underwent revision surgery to analyze recurrent herniation pathologies and complications to determine the manner in which lumbar disc herniation can be more efficiently managed...
February 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/29447545/effects-of-wearing-lower-leg-compression-sleeves-on-locomotion-economy
#7
Eduard Kurz, Christoph Anders
The purpose of this investigation was to assess the effect of compression sleeves on muscle activation cost during locomotion. Twenty-two recreationally active men (age: 25 ± 3 years) ran on a treadmill at four different speeds (ordered sequence of 2.8, 3.3, 2.2, and 3.9 m/s). The tests were performed without (control situation, CON) and while wearing specially designed lower leg compression sleeves (SL). Myoelectric activity of five lower leg muscles (tibialis anterior, fibularis longus, lateral and medial head of gastrocnemius, and soleus) was captured using Surface EMG...
February 15, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29355803/full-endoscopic-interlaminar-approach-for-nerve-root-decompression-of-sacral-metastatic-tumor
#8
Sheng-Hua Tsai, Hsuan-Han Wu, Chun-Yuan Cheng, Chien-Min Chen
BACKGROUND: Endoscopic surgery has been successfully applied in treatment of degenerative spinal disease, but few studies have assessed its use in treating sacral metastasis. We report a successful full endoscopic interlaminar approach for sacral nerve root decompression of a sacral metastatic tumor. CASE DESCRIPTION: An 80-year-old man with a history of hepatocellular carcinoma presented with buttock pain with radiation to the right lower leg for 1 week. There was also decreased muscle power of the right lower extremity...
April 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29317060/fibromyalgia-and-unexplained-widespread-pain-the-idiopathic-cerebrospinal-pressure-dysregulation-hypothesis
#9
M Hulens, W Dankaerts, I Stalmans, A Somers, G Vansant, R Rasschaert, F Bruyninckx
Fibromyalgia (FM) is a debilitating, widespread pain disorder that is assumed to originate from inappropriate pain processing in the central nervous system. Psychological and behavioral factors are both believed to underlie the pathogenesis and complicate the treatment. This hypothesis, however, has not yet been sufficiently supported by scientific evidence and accumulating evidence supports a peripheral neurological origin of the symptoms. We postulate that FM and several unexplained widespread pain syndromes are caused by chronic postural idiopathic cerebrospinal hypertension...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29122527/implementation-of-enhanced-recovery-programs-for-bariatric-surgery-results-from-the-francophone-large-scale-database
#10
Anissa Deneuvy, Karem Slim, Maxime Sodji, Pierre Blanc, Denis Gallet, Marie-Cécile Blanchet
BACKGROUND: The feasibility, safety, and efficacy of programs for enhanced recovery after bariatric surgery (ERABS) are now well established. However, data concerning their large-scale implementation remain insufficient. OBJECTIVES: The objective of the present study was to review the multicenter implementation of ERABS SETTING: This retrospective analysis of a prospective database was conducted in 15 Groupe francophone de Rehabilitation Améliorée après ChirurgiE centers from data from March 2014 to January 2017...
January 2018: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28940870/assessment-of-cerebral-perfusion-with-contrast-enhanced-ultrasound-during-constriction-of-the-neck-mimicking-malposition-of-the-bd-odon-device%C3%A2-a-study-in-newborn-piglets
#11
C de Lange, O D Saugstad, R Solberg
OBJECTIVE: The BD Odon Device™ is a new instrument for operative vaginal birth with potential for preventing maternal, fetal and newborn morbidity/mortality during a complicated second stage of labour. The device is a plastic sleeve with an air chamber inflated around the baby's head which is gently pulled through the birth canal. The aim was to monitor changes in cerebral circulation during constriction of the neck to evaluate a risk of potential malposition of the device. DESIGN: Randomised prospective study...
September 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28870417/characterization-of-an-innovative-intramedullary-nail-for-diaphyseal-fractures-of-long-bones
#12
V Filardi
In this paper, an innovative design of nail for fractures occurring on long bones has been investigated. Its functioning is based essentially on sliding of conical surfaces, located in a spindle and in holding pins. Spindle and holding pins are connected together by a sleeve. The sliding transforms the rotational and translational motion of the spindle to a radial expansion of the holding pins, protruding inside the intramedullary canal. In order to evaluate mechanical behavior of the prosthesis different benchmarks and tests were numerically performed by an FE code...
November 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28831632/utilization-of-bioimpedance-spectroscopy-in-the-prevention-of-chronic-breast-cancer-related-lymphedema
#13
David I Kaufman, Chirag Shah, Frank A Vicini, Marisa Rizzi
BACKGROUND: This analysis was performed to assess the impact of early intervention following prospective surveillance using bioimpedance spectroscopy (BIS) to detect and manage breast cancer-related lymphedema (BCRL). METHODS: From 8/2010 to 12/2016, 206 consecutive patients were evaluated with BIS. The protocol included pre-operative assessment with L-Dex as well as post-operative assessments at regular intervals. Patients with L-Dex scores >10 from baseline were considered to have subclinical BCRL and were treated with over-the-counter (OTC) compression sleeve for 4 weeks...
December 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28797867/preventing-early-postoperative-arm-swelling-and-lymphedema-manifestation-by-compression-sleeves-after-axillary-lymph-node-interventions-in-breast-cancer-patients-a-randomized-controlled-trial
#14
Katarzyna Ochalek, Tomasz Gradalski, Hugo Partsch
CONTEXT: Breast cancer-related lymphedema (LE) remains one of the major long-term complications after surgery. Many reports showed the effectiveness of compression in breast cancer-related LE treatment, but randomized controlled trials evaluating compression garments for postoperative prevention are lacking. OBJECTIVES: The aim of the study was to evaluate the potential role of light arm compression sleeves for reducing the incidence of early postoperative swelling and of breast cancer-related arm LE...
September 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28574368/development-of-a-wearable-controller-for-gesture-recognition-based-applications-using-polyvinylidene-fluoride
#15
Kyle Van Volkinburg, Gregory Washington
This paper reports on a wearable gesture-based controller fabricated using the sensing capabilities of the flexible thin-film piezoelectric polymer polyvinylidene fluoride (PVDF) which is shown to repeatedly and accurately discern, in real time, between right and left hand gestures. The PVDF is affixed to a compression sleeve worn on the forearm to create a wearable device that is flexible, adaptable, and highly shape conforming. Forearm muscle movements, which drive hand motions, are detected by the PVDF which outputs its voltage signal to a developed microcontroller-based board and processed by an artificial neural network that was trained to recognize the generated voltage profile of right and left hand gestures...
August 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28496411/calf-compression-sleeves-change-biomechanics-but-not-performance-and-physiological-responses-in-trail-running
#16
Hugo A Kerhervé, Pierre Samozino, Fabrice Descombe, Matthieu Pinay, Guillaume Y Millet, Marion Pasqualini, Thomas Rupp
Introduction: The aim of this study was to determine whether calf compression sleeves (CS) affects physiological and biomechanical parameters, exercise performance, and perceived sensations of muscle fatigue, pain and soreness during prolonged (~2 h 30 min) outdoor trail running. Methods: Fourteen healthy trained males took part in a randomized, cross-over study consisting in two identical 24-km trail running sessions (each including one bout of running at constant rate on moderately flat terrain, and one period of all-out running on hilly terrain) wearing either degressive CS (23 ± 2 mmHg) or control sleeves (CON, <4 mmHg)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28452874/a-retrievable-rescue-stent-graft-and-radiofrequency-positioning-for-rapid-control-of-noncompressible-hemorrhage
#17
Youngjae Chun, Sung Kwon Cho, William C Clark, William R Wagner, Xinzhu Gu, Amit D Tevar, Ryan M McEnaney, Bryan W Tillman
BACKGROUND: Noncompressible hemorrhage of the torso remains a challenging surgical dilemma. Stent graft repair requires endovascular expertise, imaging, and inventory that are not available within the critical window of massive hemorrhage. We developed a retrievable stent graft for rapid hemorrhage. We further investigated a radiofrequency (RF) positioning approach as a possible alternative to the logistics of fluoroscopy. METHODS: A retrievable stent graft was constructed with a novel "petal and stem" design from nitinol and covered with a sleeve of electrospun polyurethane...
August 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28440519/-prevention-diagnosis-and-treatment-of-perioperative-complications-of-bariatric-and-metabolic-surgery
#18
Haifu Wu, Ming Zhong, Di Zhou, Chenye Shi, Heng Jiao, Wei Wu, Xinxia Chang, Jing Cang, Hua Bian
Surgical operation in treating obesity and type 2 diabetes is popularizing rapidly in China. Correct prevention and recognition of perioperation-related operative complications is the premise of ensuring surgical safety. Familiar complications of the operation include deep venous thrombosis, pulmonary artery embolism, anastomotic bleeding, anastomotic fistula and marginal ulcer. The prevention of deep venous thrombosis is better than treatment. The concrete measures contain physical prophylaxis (graduated compression stocking and intermittent pneumatic compression leg sleeves) and drug prophylaxis (unfractionated heparin and low molecular heparin), and the treatment is mainly thrombolysis or operative thrombectomy...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28323702/effect-of-an-outer-sleeve-on-an-inflatable-balloon-tamp-in-terms-of-height-restoration-under-simulated-physiological-load
#19
Walter C Peppelman, William Beutler, Michael Gordon, Suresh R Chintakunta, Damien O'Halloran, Brandon Bucklen
STUDY DESIGN: An in vitro biomechanical study. OBJECTIVE: The aim of this study was to determine the effect of an optional sleeve on height restoration and compare it with the fracture reduction achieved by a commercially available inflatable bone tamp under simulated physiological load (110 N). SUMMARY OF BACKGROUND DATA: Loss of reduction after bone tamp deflation before cement injection still remains a concern. The optional sleeve surrounds the bone tamp to help maintain height during the kyphoplasty procedure while filling the created cavity with bone cement on the contralateral side...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28281052/interest-of-an-auto-adjustable-nighttime-compression-sleeve-mobiderm%C3%A2-autofit-in-maintenance-phase-of-upper-limb-lymphedema-the-marilyn-pilot-rct
#20
RANDOMIZED CONTROLLED TRIAL
S Mestre, C Calais, G Gaillard, M Nou, M Pasqualini, C Ben Amor, I Quere
PURPOSE: Breast cancer-related lymphedema (BCRL) is a debilitating condition. The recommended treatment is based on decongestive lymphedema therapy (DLT) with two separate phases: a short-term intensive phase to reduce lymphedema volume and a long-term maintenance phase to stabilize it. Optimizing compression therapy and compliance during maintenance phase are key factors for long-term control of lymphedema. The primary objective of this pilot prospective open-label randomized study was to assess the benefit of a new auto-adjustable nighttime arm sleeve (MOBIDERM® Autofit) on lymphedema volume during the maintenance phase after the intensive phase...
August 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
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