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https://www.readbyqxmd.com/read/29031330/histological-changes-in-the-proximal-suspensory-ligament-after-neurectomy-of-the-deep-branch-of-the-lateral-palmar-nerve-of-horses-with-induced-proximal-suspensory-desmitis
#1
Gabriela Lopez-Navarro, Francisco J Trigo-Tavera, Alejandro Rodriguez-Monterde, Gabriel Gutierrez-Ospina, Miguel Arechavaleta-Velasco, John Schumacher, James Schumacher
Proximal suspensory desmitis (PSD) is a common cause of lameness in the pelvic limb, but could also affect the thoracic limb of competing and non-competing horses. Most horses diagnosed with PSD in a thoracic limb respond to rest followed by controlled exercise, but in a small percentage of affected horses, lameness persists. In one study, four horses chronically lame because of PSD in a thoracic limb became sound after neurectomy of the deep branch of the lateral palmar nerve (DBLPaN), which innervates the proximal aspect of the suspensory ligament (SL; Guasco et al...
September 2017: Veterinary Journal
https://www.readbyqxmd.com/read/29018938/heart-failure-with-preserved-ejection-fraction-current-management-and-future-strategies-expert-opinion-on-the-behalf-of-the-nucleus-of-the-heart-failure-working-group-of-the-german-society-of-cardiology-dkg
#2
REVIEW
Carsten Tschöpe, Christoph Birner, Michael Böhm, Oliver Bruder, Stefan Frantz, Andreas Luchner, Lars Maier, Stefan Störk, Behrouz Kherad, Ulrich Laufs
About 50% of all patients suffering from heart failure (HF) exhibit a reduced ejection fraction (EF ≤ 40%), termed HFrEF. The others may be classified into HF with midrange EF (HFmrEF 40-50%) or preserved ejection fraction (HFpEF, EF ≥ 50%). Presentation and pathophysiology of HFpEF is heterogeneous and its management remains a challenge since evidence of therapeutic benefits on outcome is scarce. Up to now, there are no therapies improving survival in patients with HFpEF. Thus, the treatment targets symptom relief, quality of life and reduction of cardiac decompensations by controlling fluid retention and managing risk factors and comorbidities...
October 10, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28935680/cardiac-events-during-competitive-recreational-and-daily-activities-in-children-and-adolescents-with-long-qt-syndrome
#3
Kristina D Chambers, Virginie Beausejour Ladouceur, Mark E Alexander, Robyn J Hylind, Laura Bevilacqua, Douglas Y Mah, Vassilios Bezzerides, John K Triedman, Edward P Walsh, Dominic J Abrams
BACKGROUND: The 2005 Bethesda Conference Guidelines advise patients with long QT syndrome against competitive sports. We assessed cardiac event rates during competitive and recreational sports, and daily activities among treated long QT syndrome patients. METHODS AND RESULTS: Long QT syndrome patients aged ≥4 years treated with anti-adrenergic therapy were included. Demographics included mechanism of presentation, corrected QT interval pretreatment, symptom history, medication compliance, and administration of QT-prolonging medications...
September 21, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28903327/pericardial-effusion-is-correlated-with-clinical-outcome-after-pulmonary-artery-denervation-for-pulmonary-arterial-hypertension
#4
Shao-Liang Chen, Hang Zhang, Du-Jiang Xie, Juan Zhang, Ling Zhou, Meng-Xuan Chen, Gregg W Stone
OBJECTIVES: Pericardial effusion (PE) is correlated with outcomes in patients with pulmonary arterial hypertension (PAH). Pulmonary artery denervation (PADN) was used for treatment of PAH. The present study aimed to analyze the prognostic value of PE for outcomes after PADN in patients with WHO Group I, Group II and Group IV PAH. RESULTS: PE, frequently seen in patients with connective tissue disease, was featured by fast heart rate, decreased exercise capacity, more syncope, worsening pulmonary arterial hemodynamic and right atrium size...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28813700/regenerative-medicine-approaches-for-age-related-muscle-loss-and-sarcopenia-a-mini-review
#5
Juan Diego Naranjo, Jenna L Dziki, Stephen F Badylak
Sarcopenia is a complex and multifactorial disease that includes a decrease in the number, structure and physiology of muscle fibers, and age-related muscle mass loss, and is associated with loss of strength, increased frailty, and increased risk for fractures and falls. Treatment options are suboptimal and consist of exercise and nutrition as the cornerstone of therapy. Current treatment principles involve identification and modification of risk factors to prevent the disease, but these efforts are of limited value to the elderly individuals currently affected by sarcopenia...
2017: Gerontology
https://www.readbyqxmd.com/read/28807894/advances-in-the-diagnosis-and-management-of-neck-pain
#6
REVIEW
Steven P Cohen, W Michael Hooten
Neck pain imposes a considerable personal and socioeconomic burden-it is one of the top five chronic pain conditions in terms of prevalence and years lost to disability-yet it receives a fraction of the research funding given to low back pain. Although most acute episodes resolve spontaneously, more than a third of affected people still have low grade symptoms or recurrences more than one year later, with genetics and psychosocial factors being risk factors for persistence. Nearly half of people with chronic neck pain have mixed neuropathic-nociceptive symptoms or predominantly neuropathic symptoms...
August 14, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28740219/role-of-p66shc-in-skeletal-muscle-function
#7
Veronica Granatiero, Gaia Gherardi, Matteo Vianello, Elsa Salerno, Erika Zecchini, Luana Toniolo, Giorgia Pallafacchina, Marta Murgia, Bert Blaauw, Rosario Rizzuto, Cristina Mammucari
p66shc is a growth factor adaptor protein that contributes to mitochondrial ROS production. p66shc is involved in insulin signaling and its deletion exerts a protective effect against diet-induced obesity. In light of the role of skeletal muscle activity in the control of systemic metabolism and obesity, we investigated which is the contribution of p66shc in regulating muscle structure and function. Here, we show that p66shc(-/-) muscles are undistinguishable from controls in terms of size, resistance to denervation-induced atrophy, and force...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729214/milk-fat-globule-membrane-supplementation-with-voluntary-running-exercise-attenuates-age-related-motor-dysfunction-by-suppressing-neuromuscular-junction-abnormalities-in-mice
#8
Michiko Yano, Yoshihiko Minegishi, Satoshi Sugita, Noriyasu Ota
Age-related loss of skeletal muscle mass and function attenuates physical performance, and maintaining fine muscle innervation is known to play an important role in its prevention. We had previously shown that consumption of milk fat globule membrane (MFGM) with habitual exercise improves the muscle mass and motor function in humans and mice. Improvement of neuromuscular junction (NMJ) was suggested as one of the mechanisms underlying these effects. In this study, we evaluated the effect of MFGM intake combined with voluntary running (MFGM-VR) on morphological changes of NMJ and motor function in aging mice...
July 18, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28685702/a-focus-on-pharmacological-management-of-catecholaminergic-polymorphic-ventricular-tachycardia
#9
Claudio Barbanti, Alice Maltret, Daniel Sidi
Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a channelopathy characterized by adrenergic mediated ventricular arrhythmia. Untreated CPVT is a malignant syndrome with more than 50% of arrhythmic event and up to 25% of fatal or near-fatal cardiac event at 8 years follow-up. Prevention of sudden cardiac death starts with exclusion of competitive sports. Beta blockers (BB) are the cornerstone pharmacological therapy for prevention of cardiac event in CPVT patients. Dose of BB should be the highest tolerable, preferably nadolol...
July 7, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28672319/effect-of-radiofrequency-denervation-on-pain-intensity-among-patients-with-chronic-low-back-pain-the-mint-randomized-clinical-trials
#10
RANDOMIZED CONTROLLED TRIAL
Johan N S Juch, Esther T Maas, Raymond W J G Ostelo, J George Groeneweg, Jan-Willem Kallewaard, Bart W Koes, Arianne P Verhagen, Johanna M van Dongen, Frank J P M Huygen, Maurits W van Tulder
Importance: Radiofrequency denervation is a commonly used treatment for chronic low back pain, but high-quality evidence for its effectiveness is lacking. Objective: To evaluate the effectiveness of radiofrequency denervation added to a standardized exercise program for patients with chronic low back pain. Design, Setting, and Participants: Three pragmatic multicenter, nonblinded randomized clinical trials on the effectiveness of minimal interventional treatments for participants with chronic low back pain (Mint study) were conducted in 16 multidisciplinary pain clinics in the Netherlands...
July 4, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28592193/permanent-chronotropic-impairment-after-closure-of-atrial-or-ventricular-septal-defect
#11
REVIEW
Johan Heiberg, Camilla Nyboe, Vibeke E Hjortdal
OBJECTIVES: Atrial and ventricular septal defects are commonly closed surgically with low rates of post-operative morbidity, and the long-term outcome has widely been described as benign. Nevertheless, there is an increasing understanding of late morbidity, and the possibility of postoperative chronotropic impairment is continuously questioned. Furthermore, potentially abnormal chronotropic responses may be associated with the recently demonstrated overrepresentation of late arrhythmias...
October 2017: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/28375548/exercise-based-cardiac-rehabilitation-in-heart-transplant-recipients
#12
REVIEW
Lindsey Anderson, Tricia T Nguyen, Christian H Dall, Laura Burgess, Charlene Bridges, Rod S Taylor
BACKGROUND: Heart transplantation is considered to be the gold standard treatment for selected patients with end-stage heart disease when medical therapy has been unable to halt progression of the underlying pathology. Evidence suggests that aerobic exercise training may be effective in reversing the pathophysiological consequences associated with cardiac denervation and prevent immunosuppression-induced adverse effects in heart transplant recipients. OBJECTIVES: To determine the effectiveness and safety of exercise-based rehabilitation on the mortality, hospital admissions, adverse events, exercise capacity, health-related quality of life, return to work and costs for people after heart transplantation...
April 4, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28177127/emerging-roles-of-er-stress-and-unfolded-protein-response-pathways-in-skeletal-muscle-health-and-disease
#13
REVIEW
Kyle R Bohnert, Joseph D McMillan, Ashok Kumar
Skeletal muscle is the most abundant tissue in the human body and can adapt its mass as a consequence of physical activity, metabolism, growth factors, and disease conditions. Skeletal muscle contains an extensive network of endoplasmic reticulum (ER), called sarcoplasmic reticulum, which plays an important role in the regulation of proteostasis and calcium homeostasis. In many cell types, environmental and genetic factors that disrupt ER function cause an accumulation of misfolded and unfolded proteins in the ER lumen that ultimately leads to ER stress...
January 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28109285/korean-mistletoe-viscum-album-coloratum-extract-regulates-gene-expression-related-to-muscle-atrophy-and-muscle-hypertrophy
#14
Juseong Jeong, Choon-Ho Park, Inbo Kim, Young-Ho Kim, Jae-Min Yoon, Kwang-Soo Kim, Jong-Bae Kim
BACKGROUND: Korean mistletoe (Viscum album coloratum) is a semi-parasitic plant that grows on various trees and has a diverse range of effects on biological functions, being implicated in having anti-tumor, immunostimulatory, anti-diabetic, and anti-obesity properties. Recently, we also reported that Korean mistletoe extract (KME) improves endurance exercise in mice, suggesting its beneficial roles in enhancing the capacity of skeletal muscle. METHODS: We examined the expression pattern of several genes concerned with muscle physiology in C2C12 myotubes cells to identify whether KME inhibits muscle atrophy or promotes muscle hypertrophy...
January 21, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28087606/reinnervation-post-heart-transplantation
#15
Avishay Grupper, Henry Gewirtz, Sudhir Kushwaha
Heart transplantation results in complete denervation of the donor heart with loss of afferent and efferent nerve connections. The majority of patients remain completely denervated during the first 6-12 months following transplantation. Evidence of reinnervation is usually found during the second year after transplantation and involve the myocardial muscle, sinoatrial node, and coronary vessels, but remains incomplete and regionally limited many years post-transplant. Restoration of cardiac innervation can improve exercise capacity as well as blood flow regulation in the coronary arteries, and hence improve quality of life...
January 12, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28078066/use-it-or-lose-it-tonic-activity-of-slow-motoneurons-promotes-their-survival-and-preferentially-increases-slow-fiber-type-groupings-in-muscles-of-old-lifelong-recreational-sportsmen
#16
Simone Mosole, Ugo Carraro, Helmut Kern, Stefan Loefler, Sandra Zampieri
Histochemistry, immuno-histochemistry, gel electrophoresis of single muscle fibers and electromyography of aging muscles and nerves suggest that: i) denervation contributes to muscle atrophy, ii) impaired mobility accelerates the process, and iii) lifelong running protects against loss of motor units. Recent corroborating results on the muscle effects of Functional Electrical Stimulation (FES) of aged muscles will be also mentioned, but we will in particular discuss how and why a lifelong increased physical activity sustains reinnervation of muscle fibers...
September 15, 2016: European Journal of Translational Myology
https://www.readbyqxmd.com/read/28052304/is-tadpole-pupil-in-an-adolescent-girl-caused-by-denervation-hypersensitivity
#17
Jonas Kjeldbjerg Hansen, Hans Ulrik Møller
Tadpole pupil is a rarely encountered phenomenon caused by episodic, segmental iris dilator muscle spasm of short duration (2-15 minutes), occurring in clusters without a known precipitating factor. It has most commonly been described in women aged 28 to 48 years. A few hypotheses on pathogenesis have been discussed but none has been proved. Here, we present an adolescent girl with bilateral tadpole pupil that appeared during physical exercise. This is the first pediatric case of tadpole pupil, not caused by preceding surgery, to be published...
January 4, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28009987/pericardial-effusion-is-correlated-with-clinical-outcome-after-pulmonary-artery-denervation-for-pulmonary-arterial-hypertension
#18
Shao-Liang Chen, Hang Zhang, Du-Jiang Xie, Juan Zhang, Ling Zhou, Meng-Xuan Chen, Gregg W Stone
OBJECTIVES: Pericardial effusion (PE) is correlated with outcomes in patients with pulmonary arterial hypertension (PAH). Pulmonary artery denervation (PADN) was used for treatment of PAH. The present study aimed to analyze the prognostic value of PE for outcomes after PADN in patients with WHO Group I, Group II and Group IV PAH. RESULTS: PE, frequently seen in patients with connective tissue disease, was featured by fast heart rate, decreased exercise capacity, more syncope, worsening pulmonary arterial hemodynamic and right atrium size...
December 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27988231/effects-of-percutaneous-renal-sympathetic-denervation-on-cardiac-function-and-exercise-tolerance-in-patients-with-chronic-heart-failure
#19
Jun-Qing Gao, Yun Xie, Wei Yang, Jian-Pu Zheng, Zong-Jun Liu
INTRODUCTION: Sympathetic hyperactivity, a vital factor in the genesis and development of heart failure (HF), has been reported to be effectively reduced by percutaneous renal denervation (RDN), which may play an important role in HF treatment. OBJECTIVE: To determine the effects of percutaneous RDN on cardiac function in patients with chronic HF (CHF). METHODS: Fourteen patients (mean age 69.6 years; ejection fraction [EF] <45%) with CHF received bilateral RDN...
January 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/27984178/endogenous-modulation-of-trkb-signaling-by-treadmill-exercise-after-peripheral-nerve-injury
#20
Ariadna Arbat-Plana, Stefano Cobianchi, Mireia Herrando-Grabulosa, Xavier Navarro, Esther Udina
After peripheral nerve injury, transected fibers distal to the lesion are disconnected from the neuronal body. This results in target denervation but also massive stripping of the central synapses of axotomized motoneurons, disrupting spinal circuits. Even when axonal regeneration is successful, the non-specific target reinnervation and the limited rebuilding of spinal circuits impair functional recovery. Therefore, strategies aimed to preserve spinal circuits after nerve lesions may improve the functional outcome...
January 6, 2017: Neuroscience
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