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https://www.readbyqxmd.com/read/28101634/is-the-arthroscopic-suture-bridge-technique-suitable-for-full-thickness-rotator-cuff-tears-of-any-size
#1
Sung Hyun Lee, Jeong Woo Kim, Tae Kyun Kim, Seok Hyun Kweon, Hong Je Kang, Se Jin Kim, Jin Sung Park
PURPOSE: The purpose of this study was to compare functional outcomes and tendon integrity between the suture bridge and modified tension band techniques for arthroscopic rotator cuff repair. METHODS: A consecutive series of 128 patients who underwent the modified tension band (MTB group; 69 patients) and suture bridge (SB group; 59 patients) techniques were enrolled. The pain visual analogue scale (VAS), Constant, and American Shoulder and Elbow Surgeons (ASES) scores were determined preoperatively and at the final follow-up...
January 18, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28096126/the-age-related-eye-disease-2-study-micronutrients-in-the-treatment-of-macular-degeneration
#2
REVIEW
Aruna Gorusupudi, Kelly Nelson, Paul S Bernstein
Age-related macular degeneration (AMD) is one of the leading causes of vision loss in the elderly. With an increasingly aged population worldwide, the need for the prevention of AMD is rising. Multiple studies investigating AMD with the use of animal models and cell culture have identified oxidative stress-related retinal damage as an important contributing factor. In general, diet is an excellent source of the antioxidants, vitamins, and minerals necessary for healthy living; moreover, the general public is often receptive to recommendations made by physicians and health care workers regarding diet and supplements as a means of empowering themselves to avoid common and worrisome ailments such as AMD, which has made epidemiologists and clinicians enthusiastic about dietary intervention studies...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28094305/association-of-the-intestinal-microbiome-with-the-development-of-neovascular-age-related-macular-degeneration
#3
Martin S Zinkernagel, Denise C Zysset-Burri, Irene Keller, Lieselotte E Berger, Alexander B Leichtle, Carlo R Largiadèr, Georg M Fiedler, Sebastian Wolf
Age-related macular degeneration (AMD) is the most frequent cause of blindness in the elderly. There is evidence that nutrition, inflammation and genetic risk factors play an important role in the development of AMD. Recent studies suggest that the composition of the intestinal microbiome is associated with metabolic diseases through modulation of inflammation and host metabolism. To investigate whether compositional and functional alterations of the intestinal microbiome are associated with AMD, we sequenced the gut metagenomes of patients with AMD and controls...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28092213/cellular-and-molecular-factors-influencing-tendon-repair
#4
Sushmitha Durgam, Matthew Stewart
Tendons are complex, hierarchically organized connective tissues that transmit tensile forces between muscles and tendons. Tendon injuries are among the most common orthopedic problems with long-term disability as a frequent consequence due to prolonged healing time. Further, the repair tissue is of inferior quality, predisposing patients to high rates of recurrence following initial injury. Co-ordinated cellular processes and biological factors under the influence of mechanical loading are involved in tendon healing and our understanding of these events lags behind other musculoskeletal tissues...
January 16, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28089257/the-natural-course-of-nonoperatively-treated-rotator-cuff-tears-an-8-8-year-follow-up-of-tear-anatomy-and-clinical-outcome-in-49-patients
#5
Stefan Moosmayer, Anne V Gärtner, Rana Tariq
BACKGROUND: The natural course of nonoperatively treated rotator cuff tears is not fully understood. We explored the long-term development of tear anatomy and assessed functional outcomes. METHODS: Eighty-nine small to medium-sized full-thickness tears of the rotator cuff, all primarily treated by physiotherapy, were identified retrospectively. Twenty-three tears needed surgical treatment later on, and 17 patients were unable to meet for follow-up. The remaining 49 still unrepaired tears were re-examined after 8...
January 12, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28064003/a-semi-automated-quantitative-ct-method-for-measuring-rotator-cuff-muscle-degeneration-in-shoulders-with-primary-osteoarthritis
#6
Alexandre Terrier, Julien Ston, Antoine Dewarrat, Fabio Becce, Alain Farron
BACKGROUND: Rotator cuff muscle degeneration is an important parameter to consider when planning shoulder arthroplasty. HYPOTHESIS: We hypothesized that rotator cuff muscle degeneration is correlated with scapulohumeral subluxation in patients planned for anatomical total shoulder arthroplasty (TSA). MATERIALS AND METHODS: We developed a semi-automated quantitative CT method to measure rotator cuff muscle degeneration, and retrospectively analyzed 107 preoperative shoulder CT scans of patients with primary osteoarthritis...
January 4, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28045098/effects-of-elevated-%C3%AE-estradiol-levels-on-the-functional-morphology-of-the-testis-new-insights
#7
Myles Leavy, Matthias Trottmann, Bernhard Liedl, Sven Reese, Christian Stief, Benjamin Freitag, John Baugh, Giulio Spagnoli, Sabine Kölle
Elevated estradiol levels are correlated with male infertility. Causes of hyperestrogenism include diseases of the adrenal cortex, testis or medications affecting the hypothalamus-pituitary-gonadal axis. The aim of our study was to elucidate the effects of estradiol treatment on testicular cellular morphology and function, with reference to the treatment regimen received. Testes samples (n = 9) were obtained post-orchiectomy from male-to-female transsexuals within the age range of 26-52 years. Each patient had a minimum of 1-6 years estradiol treatment...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28043489/morphological-changes-in-experimental-tuberculosis-resulting-from-treatment-with-quercetin-and-polyvinylpyrrolidone
#8
Tatyana Butova, Svetlana Zaitseva, Dmytro Butov, Ganna Stepanenko
OBJECTIVE/BACKGROUND: Morphological study of a mice of tissue necrosis stages in experimental organ-preserving tuberculosis (TB) pharmacotherapy using quercetin and polyvinylpyrrolidone (QP). METHODS: A total of 32 laboratory mice of C57BL/6JLacSto strain were used in the experiment. The animals were divided into five groups (Group 1-5), with six to seven mice in each group: Group 1, Mycobacterium tuberculosis (MBT)-uninfected mice; Group 2, MBT-infected mice; Group 3, MBT infected and treated with anti-TB preparation (ATP); Group 4, MBT infected and QP treated; and Group 5, MBT infected and treated with ATP and QP...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28030812/aflatoxin-b1-invokes-apoptosis-via-death-receptor-pathway-in-hepatocytes
#9
Muhammad Jameel Mughal, Xi Peng, Yi Zhou, Jing Fang
The fungal metabolites produced by Aspergillus flavus and Aspergillus parasiticus cause detrimental health effects on humans and animals. Particularly aflatoxin B1 (AFB1) is the most studied and a well-known global carcinogen, producing hepatotoxic, genotoxic and immunotoxic effects in multiple species. AFB1 is shown to provoke liver dysfunctioning by causing hepatocytes apoptosis and disturbing cellular enzymatic activities. In liver, AFB1 causes apoptosis via extrinsic mechanism because of high expression of death receptor pathway...
December 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/28017249/slowly-progressive-d-bifunctional-protein-deficiency-with-survival-to-adulthood-diagnosed-by-whole-exome-sequencing
#10
Takashi Matsukawa, Kagari Mano Koshi, Jun Mitsui, Taro Bannai, Miho Kawabe, Hiroyuki Ishiura, Yasuo Terao, Jun Shimizu, Keiko Murayama, Jun Yoshimura, Koichiro Doi, Shinichi Morishita, Shoji Tsuji, Jun Goto
d-Bifunctional protein (DBP) deficiency is an autosomal recessive disorder of peroxisomal fatty acid oxidation caused by mutations in HSD17B4. It is typically fatal by the age of two years with symptom onset during the neonatal period, and survival until late childhood is rare. We herein report the case of a patient with DBP deficiency surviving until adulthood, who showed severe sensorineural deafness, disturbances in language acquisition, slowly progressive cerebellar ataxia, and peripheral neuropathy. This patient, in whom findings of prior investigations were nondiagnostic, had been followed up as having an early-onset spinocerebellar degeneration of unknown etiology...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28005753/motor-nerve-preservation-and-muscle-atrophy-after-pectoralis-major-musculocutaneous-flap-surgery-for-oromandibular-reconstruction
#11
Yu Takayama, Satoshi Yokoo, Takaya Makiguchi, Takahide Komori
OBJECTIVE: The authors investigated the clinical and histopathologic significance of medial pectoral nerve preservation/reinnervation of pectoralis major musculocutaneous flap for oromandibular reconstruction. MATERIALS AND METHODS: The authors compared 13 patients treated with pectoralis major musculocutaneous flap reconstruction and 6 control patients treated by rectus abdominis musculocutaneous flap reconstruction without motor nerve restoration. Subjective awareness was scored to evaluate changes in the facial contour due to muscle atrophy, and objective evaluation was performed in few patients...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28004277/tauroursodeoxycholic-bile-acid-arrests-axonal-degeneration-by-inhibiting-the-unfolded-protein-response-in-x-linked-adrenoleukodystrophy
#12
Nathalie Launay, Montserrat Ruiz, Laia Grau, Francisco J Ortega, Ekaterina V Ilieva, Juan José Martínez, Elena Galea, Isidre Ferrer, Erwin Knecht, Aurora Pujol, Stéphane Fourcade
The activation of the highly conserved unfolded protein response (UPR) is prominent in the pathogenesis of the most prevalent neurodegenerative disorders, such as Alzheimer's disease (AD), Parkinson's disease (PD) and amyotrophic lateral sclerosis (ALS), which are classically characterized by an accumulation of aggregated or misfolded proteins. This activation is orchestrated by three endoplasmic reticulum (ER) stress sensors: PERK, ATF6 and IRE1. These sensors transduce signals that induce the expression of the UPR gene programme...
December 21, 2016: Acta Neuropathologica
https://www.readbyqxmd.com/read/27989913/quantitative-dixon-mri-sequences-to-relate-muscle-atrophy-and-fatty-degeneration-with-range-of-motion-and-muscle-force-in-brachial-plexus-injury
#13
Bouke J Duijnisveld, Jan Ferdinand Henseler, Monique Reijnierse, Marta Fiocco, Hermien E Kan, Rob G H H Nelissen
BACKGROUND: Assessment of muscle atrophy and fatty degeneration in brachial plexus injury (BPI) could yield valuable insight into pathophysiology and could be used to predict clinical outcome. The objective of this study was to quantify and relate fat percentage and cross-sectional area (CSA) of the biceps to range of motion and muscle force of traumatic brachial plexus injury (BPI) patients. METHODS: T1-weighted TSE sequence and three-point Dixon images of the affected and non-affected biceps brachii were acquired on a 3 Tesla magnetic resonance scanner to determine the fat percentage, total and contractile CSA of 20 adult BPI patients...
October 27, 2016: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/27986375/biological-evaluation-of-a-new-pulp-capping-material-developed-from-portland-cement
#14
Ahmed M Negm, Ehab E Hassanien, Ashraf M Abu-Seida, Mohamed M Nagy
This study evaluates the biological properties of a new pulp capping material developed from Portland cement. This study was conducted on 48 teeth in 4 dogs (12 teeth/dog). The dogs were classified into two equal groups (n=24 teeth) according to the evaluation period including: group A (3 weeks) and group B (3 months). Each group was further subdivided into three equal subgroups (n=8 teeth) according to the capping material including: subgroup 1: mineral trioxide aggregate (MTA), subgroup2: Portland cement+10% calcium hydroxide+20% bismuth oxide (Port Cal) and subgroup 3: Portland cement+bismuth oxide...
December 13, 2016: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/27984168/the-protective-mechanism-of-docosahexaenoic-acid-in-mouse-model-of-parkinson-the-role-of-hemeoxygenase
#15
Ayse Ozkan, Hande Parlak, Gamze Tanriover, Sayra Dilmac, Seher Nasircilar Ulker, Llknur Birsen, Aysel Agar
Parkinson's disease (PD) is characterized by degeneration of the dopaminergic neurons in substantia nigra (SN). Its major clinical symptoms are tremor, rigidity, bradykinesia and postural instability. Docosahexaenoic acid (DHA) is an essential fatty acid for neural functions that resides within the neural membrane. A decline in fatty acid concentration is observed in case of neurodegenerative diseases such as PD. The present study aimed to explore the role of the heme oxygenase (HO) enzyme in protective effects of DHA administration in an experimental model of PD by using the neurotoxin 1-Methly-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)...
October 27, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/27978932/-preventive-and-therapeutic-effects-of-compound-ginkgo-extract-in-rats-with-nonalcoholic-steatohepatitis-induced-by-high-fat-high-fructose-diet
#16
Q Yang, H Zhao, A Z Zhou, Z H Lou
Objective: To establish a rat model of nonalcoholic steatohepatitis (NASH), and to investigate the preventative and therapeutic effects of compound ginkgo extract against NASH. Methods: A total of 60 male Sprague-Dawley rats were fed with high-fat feed and 10% fructose water for 24 weeks to establish the rat model of NASH. The general behaviors of the rats were observed, and the body weight was recorded. Blood samples from the inferior vena cava and the liver were collected after the last administration to measure serum total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C), as well as liver function parameters...
November 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/27973415/oxidative-stress-in-hypoxic-ischemic-encephalopathy-molecular-mechanisms-and-therapeutic-strategies
#17
REVIEW
Mingyi Zhao, Ping Zhu, Masayuki Fujino, Jian Zhuang, Huiming Guo, IdrisAhmed Sheikh, Lingling Zhao, Xiao-Kang Li
Hypoxic-ischemic encephalopathy (HIE) is one of the leading causes of morbidity and mortality in neonates. Because of high concentrations of sensitive immature cells, metal-catalyzed free radicals, non-saturated fatty acids, and low concentrations of antioxidant enzymes, the brain requires high levels of oxygen supply and is, thus, extremely sensitive to hypoxia. Strong evidence indicates that oxidative stress plays an important role in pathogenesis and progression. Following hypoxia and ischemia, reactive oxygen species (ROS) production rapidly increases and overwhelms antioxidant defenses...
December 10, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27965943/bone-mineral-density-and-fatty-degeneration-of-thigh-muscles-measured-by-computed-tomography-in-hip-fracture-patients
#18
Myung Hoon Hahn, Ye-Yeon Won
BACKGROUND: Recently, as an independent fracture factor from Bone mineral density (BMD), muscle weakness due to the fatty degeneration of thigh muscles have been attracting attentions as causes of hip fracture. The purpose of this study is to investigate the correlation between the body composition and BMD and fatty degeneration of thigh muscles of the female patients over 65 years old with osteoporotic hip fracture. METHODS: This study was conducted with 178 female osteoporotic hip fracture patients...
November 2016: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/27964874/differences-in-fatty-degeneration-of-rotator-cuff-muscles-at-different-sites-as-quantified-by-t2-mapping
#19
Yuki Iijima, Keisuke Matsuki, Shota Hoshika, Yusuke Ueda, Kazutomo Onishi, Morihito Tokai, Norimasa Takahashi, Hiroyuki Sugaya, Kazuhiko Dougo, Atsuya Watanabe
BACKGROUND: Fatty degeneration of the cuff muscles is usually evaluated at the Y-view in oblique sagittal images. It was recently proposed that muscle shift after repair may influence the fatty degeneration values, and the evaluation of the muscles at a more medial site was recommended. However, the differences in muscle quality in accord with measurement sites have been unclear. Here we evaluated differences in fatty degeneration of the rotator cuff muscles measured quantitatively at different sites, using T2 mapping...
December 10, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27911336/decreased-aerobic-capacity-in%C3%A2-ano5-muscular-dystrophy
#20
Emil Ylikallio, Mari Auranen, Ibrahim Mahjneh, Antti Lamminen, Maria Kousi, Ann-Liz Träskelin, Tiina Muurinen, Mervi Löfberg, Tapani Salmi, Anders Paetau, Anna-Elina Lehesjoki, Päivi Piirilä, Sari Kiuru-Enari
BACKGROUND: Anoctaminopathies are muscle diseases caused by recessive mutations in the ANO5 gene. The effects of anoctaminopathy on oxidative capacity have not previously been studied in a controlled setting. OBJECTIVE: To characterize oxidative capacity in a clinically and genetically well-defined series of patients with anoctaminopathy. METHODS: We sequenced the ANO5 gene in 111 Finnish patients with suspected LGMD2. Patients with positive findings underwent close clinical examination, including electromyography, muscle MRI, and, in selected cases, muscle biopsy...
November 29, 2016: Journal of Neuromuscular Diseases
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