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https://www.readbyqxmd.com/read/28735950/associations-between-clinical-diagnostic-criteria-and-pretreatment-patient-reported-outcomes-measures-in-a-prospective-observational-cohort-of-patients-with-neurogenic-thoracic-outlet-syndrome
#1
Joshua Balderman, Katherine Holzem, Beverly J Field, Michael M Bottros, Ahmmad A Abuirqeba, Chandu Vemuri, Robert W Thompson
OBJECTIVE: Neurogenic thoracic outlet syndrome (NTOS) is caused by dynamic compression of the brachial plexus at the level of the supraclavicular scalene triangle or the subcoracoid (pectoralis minor) space, or both. The purpose of this study was to characterize relationships between 14 clinical diagnostic criteria (CDC) and seven pretreatment patient-reported outcomes measures (PROMs) in a prospective cohort of patients with NTOS. METHODS: There were 183 new patient referrals between July 1 and December 31, 2015, with 150 (82%) meeting an established set of predefined CDC for NTOS...
August 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28716694/-isolated-long-thoracic-nerve-palsy-more-than-meets-the-eye
#2
Andrés A Maldonado, Scott L Zuckerman, B Matthew Howe, Michelle L Mauermann, Robert J Spinner
INTRODUCTION: Two main hypotheses have been proposed for the pathophysiology of long thoracic nerve (LTN) palsy: nerve compression and nerve inflammation. We hypothesized that critical reinterpretation of electrodiagnostic (EDX) studies and MRIs of patients with a diagnosis of non-traumatic isolated LTN palsy could provide insight into the pathophysiology and, potentially, the treatment. MATERIAL AND METHODS: A retrospective review was performed of all patients with a diagnosis of non-traumatic isolated LTN palsy and an EDX and brachial plexus or shoulder MRI studies performed at our institution...
June 27, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28678290/second-order-directed-positioning-of-nanoparticles-induced-by-the-main-terminal-meniscus-shape-in-irregular-template-cavities
#3
Mohamed Asbahi, Zhaogang Dong, FuKe Wang, Mohammad S M Saifullah, Joel K W Yang, Karen S L Chong
Directed self-assembly of nanoparticles using topographical templates has demonstrated great capabilities of ordering particles at their maximum packing fraction resulting from template confinement effects and free energy minimization. However, to self-assemble nanostructures at a lower packing fraction with a precise control over particle's positioning is challenging due to the high entropy of such a system. Here, by fabricating templates of irregular cavities together with appropriate choice of solvent, we demonstrate the positioning of 8 nm Au nanoparticles within individual cavities at a low filling factor...
July 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28677632/ultrasonographic-diagnosis-of-thoracic-outlet-syndrome-secondary-to-brachial-plexus-piercing-variation
#4
Vanessa Leonhard, Gregory Caldwell, Mei Goh, Sean Reeder, Heather F Smith
Structural variations of the thoracic outlet create a unique risk for neurogenic thoracic outlet syndrome (nTOS) that is difficult to diagnose clinically. Common anatomical variations in brachial plexus (BP) branching were recently discovered in which portions of the proximal plexus pierce the anterior scalene. This results in possible impingement of BP nerves within the muscle belly and, therefore, predisposition for nTOS. We hypothesized that some cases of disputed nTOS result from these BP branching variants...
July 4, 2017: Diagnostics
https://www.readbyqxmd.com/read/28671972/diaphragm-a-mnemonic-to-describe-the-work-of-breathing-in-patients-with-respiratory-failure
#5
Aiman Tulaimat, William E Trick
BACKGROUND: The assessment of the work of breathing in the definitions of respiratory failure is vague and variable. OBJECTIVE: Identify a parsimonious set of signs to describe the work of breathing in hypoxemic, acutely ill patients. METHODS: We examined consecutive medical ICU patients receiving oxygen with a mask, non-invasive ventilation, or T-piece. A physician inspected each patient for 10 seconds, rated the level of respiratory distress, and then examined the patient for vital signs and 17 other physical signs...
2017: PloS One
https://www.readbyqxmd.com/read/28626314/effect-of-sleep-posture-on-neck-muscle-activity
#6
Won-Hwee Lee, Min-Seok Ko
[Purpose] This study investigated the effect of sleep posture on neck muscle activity. [Subjects and Methods] The study recruited 20 healthy subjects, who were positioned in three supine sleeping positions: both hands at sides, both hands on the chest, and dominant hand on the forehead. The activities of the scalene and upper trapezius muscles bilaterally were measured by surface electromyography. [Results] The upper trapezius and scalene muscle activity on the right side was significantly greater in the supine with dominant hand on the forehead position than in the other positions...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28626302/the-immediate-effect-of-diaphragm-taping-with-breathing-exercise-on-muscle-tone-and-stiffness-of-respiratory-muscles-and-spo2-in-stroke-patient
#7
Joong-San Wang, Kyun-Hee Cho, Shin-Jun Park
[Purpose] This study aimed to examine the immediate effects of diaphragm taping with breathing exercise on the tone and stiffness in the respiratory muscles of patient with stroke. [Subjects and Methods] A total of 28 subjects, 14 in the diaphragm taping with breathing exercise group and 14 in the breathing exercise group, were administered respective intervention methods. Subsequently, the muscle tone and stiffness in upper trapezius, scalene, external oblique abdominal and ractus abdominis muscle of both the respiratory muscles were measured...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28594857/noninvasive-assessment-of-respiratory-muscle-strength-and-activity-in-myotonic-dystrophy
#8
Morgana de Araújo Evangelista, Fernando Augusto Lavezzo Dias, Mário Emílio Teixeira Dourado Júnior, George Carlos do Nascimento, Antonio Sarmento, Lucien Peroni Gualdi, Andrea Aliverti, Vanessa Resqueti, Guilherme Augusto de Freitas Fregonezi
OBJECTIVE: To evaluate sensitivity/specificity of the maximum relaxation rate (MRR) of inspiratory muscles, amplitude of electromyographic activity of the sternocleidomastoid (SCM), scalene (SCA), parasternal (2ndIS) and rectus abdominis (RA) muscles; lung function and respiratory muscle strength in subjects with Myotonic dystrophy type 1 (DM1) compared with healthy subjects. DESIGN AND METHODS: Quasi-experimental observational study with control group. MRR of inspiratory muscles, lung function and amplitude of the electromyographic activity of SCM, SCA, 2ndIS and RA muscles during maximum inspiratory pressure (PImax), maximum expiratory pressure (PEmax) and sniff nasal inspiratory pressure (SNIP) tests were assessed in eighteen DM1 subjects and eleven healthy...
2017: PloS One
https://www.readbyqxmd.com/read/28460809/ultrasound-guided-interscalene-nerve-block-vs-procedural-sedation-by-propofol-and-fentanyl-for-anterior-shoulder-dislocations
#9
Esmaeil Raeyat Doost, Mohammad Mehdi Heiran, Mitra Movahedi, Amirhossein Mirafzal
BACKGROUND: Few studies were performed to compare ultrasound guided brachial plexus block with procedural sedation for reduction of shoulder dislocations in the Emergency Department (ED). This study was done to provide further evidence regarding this comparison. METHODS: This was a randomized clinical trial performed on patients presenting with anterior shoulder dislocations to the emergency department of an academic level 2 trauma center. Exclusion criteria were any contraindications to the drugs used, any patient which may not be potentially assigned into both groups because of an underlying medical condition, presence of neurovascular compromise related to the dislocation, presence of concomitant fractures, and patient refusal to participate in the study...
April 14, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28448001/repeated-measurement-of-respiratory-muscle-activity-and-ventilation-in-mouse-models-of-neuromuscular-disease
#10
Victoria N Jensen, Shannon H Romer, Sarah M Turner, Steven A Crone
Accessory respiratory muscles help to maintain ventilation when diaphragm function is impaired. The following protocol describes a method for repeated measurements over weeks or months of accessory respiratory muscle activity while simultaneously measuring ventilation in a non-anesthetized, freely behaving mouse. The technique includes the surgical implantation of a radio transmitter and the insertion of electrode leads into the scalene and trapezius muscles to measure the electromyogram activity of these inspiratory muscles...
April 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28327294/reference-values-for-the-scalene-interval-width-during-varying-degrees-of-glenohumeral-abduction-using-ultrasonography
#11
Ross Mattox, Patrick J Battaglia, Aaron B Welk, Yumi Maeda, Daniel W Haun, Norman W Kettner
OBJECTIVE: The aim of this study was to establish reference values for the width of the interval between the anterior and middle scalene muscles using ultrasonography during varying degrees of glenohumeral joint (GH) abduction. Reliability and body mass index (BMI) data were also assessed. METHODS: Interscalene triangles of asymptomatic participants were scanned bilaterally in the transverse plane. Images were obtained at 0°, 90°, and 150° of GH abduction with the participant seated...
November 2016: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28321484/rhabdomyolysis-resulting-in-concurrent-horner-s-syndrome-and-brachial-plexopathy-a-case-report
#12
Susan C Lee, Christian Geannette, Scott W Wolfe, Joseph H Feinberg, Darryl B Sneag
This case report describes a 29-year-old male who presented with immediate onset of Horner's syndrome and ipsilateral brachial plexopathy after sleeping with his arm dangling outside a car window for 8 h. Outside workup and imaging revealed rhabdomyolysis of the left neck musculature. Subsequent electrodiagnostic testing and high-resolution brachial plexus magnetic resonance imaging at the authors' institution attributed the Horner's syndrome and concurrent brachial plexopathy to rhabdomyolysis of the longus colli and scalene musculature, which had compressed-and consequently scar tethered-the cervical sympathetic trunk and brachial plexus...
March 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28265158/effects-of-manipulation-of-the-thorax-and-intensity-of-the-pressure-biofeedback-unit-on-the-superficial-cervical-flexors-muscle-during-craniocervical-flexion-exercise
#13
Jin Mo Yang, Hyun-Gyu Cha, Myoung-Kwon Kim
[Purpose] This study examined the effects of manipulation of the thorax and the intensity of the pressure biofeedback unit on the superficial cervical flexors muscle during craniocervical flexion exercise. [Subjects and Methods] Thirty three subjects participated in the experiment. Thirty three healthy people without any orthopedic history were also selected. The subjects could monitor the pressure applied to cervical vertebra 3 of the craniocervical junction by markings on the pressure biofeedback unit. Craniocervical flexion exercise was performed for 20 seconds per pressure, and two minutes of rest was allowed after exercise to reduce muscle fatigue...
February 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28255085/effects-of-inspiratory-muscle-training-on-respiratory-muscle-electromyography-and-dyspnea-during-exercise-in-healthy-men
#14
Andrew H Ramsook, Yannick Molgat-Seon, Michele R Schaeffer, Sabrina S Wilkie, Pat G Camp, W Darlene Reid, Lee M Romer, Jordan A Guenette
Inspiratory muscle training (IMT) has consistently been shown to reduce exertional dyspnea in health and disease; however, the physiological mechanisms remain poorly understood. A growing body of literature suggests that dyspnea intensity can be explained largely by an awareness of increased neural respiratory drive, as measured indirectly using diaphragmatic electromyography (EMGdi). Accordingly, we sought to determine whether improvements in dyspnea following IMT can be explained by decreases in inspiratory muscle electromyography (EMG) activity...
May 1, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28217661/winged-scapula-caused-by-rhomboid-paralysis-a-case-report
#15
Maria Grazia Benedetti, Alessandro Zati, Silvia Bonfiglioli Stagni, Isabella Fusaro, Roberta Monesi, Roberto Rotini
Scapular winging secondary to dorsal scapular nerve (DSN) damage is an underestimated condition. It is often caused by entrapment of the nerve due to a hypertrophic middle scalene muscle, or by stretching of the DSN during traumatic movements. The condition has also been attributed to myofascial pain syndrome of the rhomboids with entrapment of the DSN. The non-specific symptomatology reported by patients is often incorrectly diagnosed, and this can result in a high level of disability of the upper limb. A clinical case of misdiagnosed dorsal scapula entrapment is presented...
October 2016: Joints
https://www.readbyqxmd.com/read/28187801/management-of-acute-neuromuscular-disorders
#16
REVIEW
E F M Wijdicks
Imminent neuromuscular respiratory failure is recognized by shortness of breath, restlessness, and tachycardia and is often followed by tachypnea, constantly interrupting speech, asynchronous breathing and sometimes paradoxical breathing and use of scalene and sternocleidomastoid muscles. Once a patient presents with such a constellation of signs, there are some difficult decisions to be made and include assessment of the severity of respiratory failure and in particular when to intubate. Failure of the patient to manage secretions as a result of oropharyngeal weakness rather than neuromuscular respiratory weakness may be another reason for acute intubation...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28138234/respiratory-muscle-activity-and-patient-ventilator-asynchrony-during-different-settings-of-noninvasive-ventilation-in-stable-hypercapnic-copd-does-high-inspiratory-pressure-lead-to-respiratory-muscle-unloading
#17
Marieke L Duiverman, Anouk S Huberts, Leo A van Eykern, Gerrie Bladder, Peter J Wijkstra
INTRODUCTION: High-intensity noninvasive ventilation (NIV) has been shown to improve outcomes in stable chronic obstructive pulmonary disease patients. However, there is insufficient knowledge about whether with this more controlled ventilatory mode optimal respiratory muscle unloading is provided without an increase in patient-ventilator asynchrony (PVA). PATIENTS AND METHODS: Ten chronic obstructive pulmonary disease patients on home mechanical ventilation were included...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28135679/an-unusual-case-of-neurogenic-thoracic-outlet-syndrome
#18
Yash Vaidya, Rajan Vaithianathan
INTRODUCTION: Neurogenic thoracic outlet syndrome (nTOS) is the most common manifestation of thoracic outlet syndrome (TOS), accounting for more than 95% of cases. It is usually caused by cervical ribs, anomalies in the scalene muscle anatomy or post-traumatic inflammatory changes causing compression of the brachial plexus. CASE PRESENTATION: We present an unusual case of nTOS caused by a cystic lymphangioma at the thoracic outlet, with only one case reported previously in the literature...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27989967/modified-interscalene-approach-for-resection-of-symptomatic-cervical-rib-anatomic-review-and-clinical-study
#19
Walid Abdel Ghany, Mohamed A Nada, Ahmed F Toubar, Ahmed E Desoky, Hesham Ibrahim, Marwa A Nassef, Mostafa G Mahran
BACKGROUND: Cervical ribs have been reported to be present in about 0.5% of the general population, 10% of patients with cervical rib who are symptomatic usually have neurogenic symptoms, but some have arterial symptoms. In 1861, Coote was the first to excise a cervical rib through a supraclavicular approach and relieved the symptoms of thoracic outlet syndrome. OBJECTIVE: In this study, we address the efficacy and safety of a modification to the supraclavicular approach for resection of symptomatic cervical ribs...
February 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27979572/a-fourteen-year-experience-with-vascular-anomalies-encountered-during-transaxillary-rib-resection-for-thoracic-outlet-syndrome
#20
Jeniann A Yi, Robert J Johnston, Mark R Nehler, Douglas R Gibula, Kristen Alix, Natalia O Glebova, Charles O Brantigan
BACKGROUND: Transaxillary approach to first rib resection and scalenectomy (TAFRRS) is a well-established technique for treatment of thoracic outlet syndrome (TOS). Although anatomic features encountered during TAFRRS are in general constant, vascular anomalies may be encountered but have not been described to date. Herein we describe vascular abnormalities encountered during TAFRRS. METHODS: We performed a retrospective review of a prospective practice database of 224 operations for TOS performed in 172 patients from March 2000 to March 2014...
December 12, 2016: Annals of Vascular Surgery
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