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https://www.readbyqxmd.com/read/28641325/superior-canal-dehiscence-syndrome-associated-with-scuba-diving
#1
Naoharu Kitajima, Akemi Sugita-Kitajima, Seiji Kitajima
A 28-year-old female diver presented with dizziness and difficulty clearing her left ear whilst scuba diving. Her pure-tone audiometry and tympanometry were normal. Testing of Eustachian tube function revealed tubal stenosis. Video-oculography revealed a predominantly torsional nystagmus while the patient was in the lordotic position. Fistula signs were positive. High-resolution computed tomography (HRCT) of the temporal bone revealed a diagnosis of bilateral superior semicircular canal dehiscence (SCDS). Cervical vestibular-evoked myogenic potential (cVEMP) testing showed that the amplitude of the cVEMP measured from her left ear was larger than that from the right...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28637148/pure-tone-hearing-profiles-in-children-with-otitis-media-with-effusion
#2
Ting Cai, Bradley McPherson, Caiwei Li, Feng Yang
INTRODUCTION: Otitis media with effusion (OME) is a common middle ear disease in children. The associated conductive hearing loss is a major concern for hearing health professionals. The aim of the present study was to describe the configuration of pure tone audiograms of children with OME and to design a statistical stratification algorithm to facilitate hearing loss profiling in children with OME. METHODS: School age children with OME were recruited. Bone and air conduction thresholds were obtained using standard procedures...
February 25, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28636731/correlation-among-external-auditory-canal-anomaly-temporal-bone-malformation-and-hearing-levels-in-patients-with-microtia
#3
Kun Chen, Liu Liu, Runjie Shi, Peihua Wang, Dong Chen, Hua Xiao
We conducted a retrospective study to evaluate the relationship between external auditory canal (EAC) anomaly, temporal bone abnormality, and hearing levels using objective scoring systems in Chinese patients with microtia. The study population consisted of 106 ears of 94 Chinese patients (67 male and 27 female) aged 5 to 45 years (mean: 12.6) with microtia. The EAC abnormalities were classified into 4 types according to Schuknecht's criteria: type A, type B, type C, and type D. Developmental anomalies of the temporal bone were evaluated by Jahrsdoerfer computed tomography (CT) scoring system using high-resolution CT scans of the temporal bone...
June 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28636124/the-ips-scale-a-new-soft-tissue-assessment-scale-for-percutaneous-and-transcutaneous-implants-for-bone-conduction-devices
#4
Ivo J Kruyt, Rik C Nelissen, Martin L Johansson, Emmanuel A M Mylanus, Myrthe K S Hol
Percutaneous titanium implants for bone conduction devices (BCDs) have offered, since 1977, a solution for patients with hearing loss not treatable by conventional hearing aids, such as patients with chronic ear infections or microtia and/or ear canal atresia. Percutaneous implants imply a continuous breach in the mechanical defensive barrier of the skin. To compensate for this breach, immunological mechanisms in the subcutaneous tissue surrounding the implant become more active. This article is protected by copyright...
June 21, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28634891/a-scoping-review-of-the-public-health-impact-of-vitamin-d-fortified-dairy-products-for-fracture-prevention
#5
REVIEW
Mickael Hiligsmann, Audrey Neuprez, Fanny Buckinx, Médéa Locquet, Jean-Yves Reginster
PURPOSE: Dairy products are rich in nutrients that positively influence bone health and hence fracture risk, and have therefore been recommended and used for fracture prevention. To help decision makers to efficiently allocate scare resources, it is further important to assess the public health and economic impact of any health intervention. In recent years, several studies have been conducted to estimate the public health and/or economic impact of dairy products but no overview is currently available...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28634534/etiological-factors-of-short-stature-in-children-and-adolescents-experience-at-a-tertiary-care-hospital-in-egypt
#6
Almontaser Hussein, Hekma Farghaly, Eman Askar, Kotb Metwalley, Khaled Saad, Asmaa Zahran, Hisham A Othman
BACKGROUND: Accurate anthropometric measurements and critical analysis of growth data allow the clinician to promptly recognize children with short stature. The aim of this study was to determine the frequency of etiological factors causing short stature among children referred to the pediatric endocrinology clinic of Assiut University Children's Hospital, the main tertiary care center in Upper Egypt. METHODS: We conducted this descriptive observational study from May 2012 to December 2015, to analyze 637 children (boys 354, girls 283) with short stature...
May 2017: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28633866/tea-consumption-may-decrease-the-risk-of-osteoporosis-an-updated-meta-analysis-of-observational-studies
#7
REVIEW
Ming Guo, Hua Qu, Lin Xu, Da-Zhuo Shi
Several epidemiological investigations have evaluated the correlation between tea consumption and risk of osteoporosis, but the results are inconsistent. Therefore, we conducted an updated meta-analysis of observational studies to assess this association. We searched for all relevant studies including cohort, cross-sectional, and case-control studies published from database inception to July 15, 2016, using MEDLINE EMBASE, and Cochrane Library. Polled odds ratios (ORs) were calculated using the random-effect model...
June 2017: Nutrition Research
https://www.readbyqxmd.com/read/28633786/metastatic-pulmonary-adenocarcinoma-of-the-talus-a-case-report
#8
Kaifeng Gan, Yandong Shen
Tumors rarely metastasize to the foot bones; however, a misdiagnosis can lead to a poor outcome. These metastatic tumors can cause foot pain and other symptoms in patients who are asymptomatic for the primary tumor. To accurately diagnose acrometastases, the attending physician must have a high index of suspicion and conduct a thorough examination and appropriate diagnostic testing. We present a rare case of metastatic pulmonary adenocarcinoma of the talus, which was initially misdiagnosed as a benign bone cyst...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28632727/post-translational-regulation-contributes-to-the-loss-of-lkb1-expression-through-sirt1-deacetylase-in-osteosarcomas
#9
Nadège Presneau, Laure Alice Duhamel, Hongtao Ye, Roberto Tirabosco, Adrienne M Flanagan, Malihe Eskandarpour
BACKGROUND: The most prevalent form of bone cancer is osteosarcoma (OS), which is associated with poor prognosis in case of metastases formation. Mice harbouring liver kinase B1 (LKB1(+/-)) develop osteoblastoma-like tumours. Therefore, we asked whether loss of LKB1 gene has a role in the pathogenesis of human OS. METHODS: Osteosarcomas (n=259) were screened for LKB1 and sirtuin 1 (SIRT1) protein expression using immunohistochemistry and western blot. Those cases were also screened for LKB1 genetic alterations by next-generation sequencing, Sanger sequencing, restriction fragment length polymorphism and fluorescence in situ hybridisation approaches...
June 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28632554/the-correlation-between-cage-subsidence-bone-mineral-density-and-clinical-results-in-posterior-lumbar-interbody-fusion
#10
Kyu Won Oh, Jae Hyup Lee, Ji-Ho Lee, Do-Yoon Lee, Hee Jong Shim
STUDY DESIGN: A retrospective review of prospectively collected radiographic and clinical data. OBJECTIVE: This study aims to investigate the relationship between cage subsidence and bone mineral density (BMD), and to reveal the clinical implications of cage subsidence. SUMMARY OF BACKGROUND DATA: Posterior lumbar interbody fusion (PLIF) has become one of the standard treatment modality for lumbar degenerative disease. However, cage subsidence might result in recurrent foraminal stenosis and deteriorate the clinical results...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28632257/modeling-of-crestal-bone-after-submerged-vs-transmucosal-implant-placement-a-systematic-review-with-meta-analysis
#11
Stefan Paul, Matthias Petsch, Ulrike Held
PURPOSE: To determine differences in marginal bone changes when using submerged or transmucosal dental implants through a systematic review of the literature. MATERIALS AND METHODS: PubMed, Embase, and the Cochrane Library were electronically searched for trials comparing marginal bone loss between submerged and transmucosal dental implants with a minimum follow-up of 12 months published between January 1980 and January 2016. Manual searches of the bibliographies of the included studies were also carried out...
June 20, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28631236/use-of-ctx-i-and-pinp-as-bone-turnover-markers-national-bone-health-alliance-recommendations-to-standardize-sample-handling-and-patient-preparation-to-reduce-pre-analytical-variability
#12
P Szulc, K Naylor, N R Hoyle, R Eastell, E T Leary
N-terminal propeptide of type I procollagen and C-terminal telopeptide of type I collagen are the reference standards for bone turnover markers for monitoring osteoporosis treatment. We provide recommendations for standardized sample handling and encompassing aspects of preanalytical variability to improve the reproductibility of their measurements, their reliability, and clinical interpretation. The International Osteoporosis Foundation and International Federation of Clinical Chemistry bone turnover marker standards working group have identified N-terminal propeptide of type I procollagen (PINP) and C-terminal telopeptide of type I collagen (CTX-I) in the blood to be the international reference standards for bone turnover markers for the prediction of fracture risk and monitoring of osteoporosis treatment...
June 19, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28631217/24-month-open-label-teriparatide-once-weekly-efficacy-research-trial-examining-bone-mineral-density-in-subjects-with-primary-osteoporosis-and-high-fracture-risk
#13
Toshitsugu Sugimoto, Masataka Shiraki, Masao Fukunaga, Hiroshi Hagino, Teruki Sone, Tetsuo Nakano, Hideaki Kishimoto, Masako Ito, Hideki Yoshikawa, Mitsukazu Kishida, Chika Irie, Toshitaka Nakamura
INTRODUCTION: To clarify the additional efficacy and safety benefits of 24 months' treatment with the once-weekly formulation of teriparatide, which is currently used for 72 weeks. METHODS: This was a multicenter, open-label, single-arm study conducted in Japan. Subjects who were 65 years or older with prevalent vertebral fractures received once-weekly subcutaneous injection of 56.5 μg teriparatide for 24 months. The main outcome measure was percentage change from baseline in lumbar (L2-L4) BMD measured by dual-energy X-ray absorptiometry...
June 19, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28631036/practical-recommendations-for-radium-223-treatment-of-metastatic-castration-resistant-prostate-cancer
#14
Yong Du, Ignasi Carrio, Giuseppe De Vincentis, Stefano Fanti, Harun Ilhan, Caroline Mommsen, Egbert Nitzsche, Francis Sundram, Wouter Vogel, Wim Oyen, Val Lewington
PURPOSE: Radium Ra 223 dichloride (radium-223, Xofigo®) is the first targeted alpha therapy for patients with castration-resistant prostate cancer and symptomatic bone metastases. Radium-223 provides a new treatment option for this setting, but also necessitates a new treatment management approach. We provide straightforward and practical recommendations for European nuclear medicine centres to optimize radium-223 service provision. METHODS: An independent research consultancy agency observed radium-223 procedures and conducted interviews with all key staff members involved in radium-223 treatment delivery in 11 nuclear medicine centres across six countries (Germany, Italy, the Netherlands, Spain, Switzerland and the UK) experienced in administering radium-223...
June 19, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28629871/a-review-of-patterns-of-practice-and-clinical-guidelines-in-the-palliative-radiation-treatment-of-uncomplicated-bone-metastases
#15
REVIEW
Vithusha Ganesh, Stephanie Chan, Srinivas Raman, Ronald Chow, Peter Hoskin, Henry Lam, Bo Angela Wan, Leah Drost, Carlo DeAngelis, Edward Chow
BACKGROUND AND PURPOSE: Single fraction radiation treatment (SFRT) is recommended for its equivalence to multiple-fraction (MF) RT in the palliation of uncomplicated bone metastases (BM). However, adoption of SFRT has been slow. MATERIALS AND METHODS: Literature searches for studies published following 2014 were conducted using online repositories of gray literature, Ovid MEDLINE, Embase and Embase Classic, and the Cochrane Central Register of Controlled Trials databases...
June 16, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28629234/healing-of-osteochondral-defects-via-endochondral-ossification-in-an-ovine-model
#16
Helen Lydon, Alan Getgood, Frances M D Henson
OBJECTIVE: The objective of this study was to describe the mechanism of healing of osteochondral defects of the distal femur in the sheep, a commonly used translational model. Information on the healing mechanism be useful to inform the design of tissue engineering devices for joint surface defect repair. DESIGN: A retrospective study was conducted examining 7-mm diameter osteochondral defects made in the distal medial femoral condyle of 40 adult female sheep, comprising control animals from 3 separate structures...
June 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28628088/an-individualised-risk-adapted-protocol-of-pre-and-post-transplant-zoledronic-acid-reduces-bone-loss-after-allogeneic-stem-cell-transplantation-results-of-a-phase-ii-prospective-trial
#17
A Grigg, B Butcher, B Khodr, A Bajel, M Hertzberg, S Patil, A B D'Souza, P Ganly, P Ebeling, E Wong
Bone loss occurs frequently following allogeneic haematopoietic stem cell transplantation (alloSCT). The Australasian Leukaemia and Lymphoma Group conducted a prospective phase II study of pretransplant zoledronic acid (ZA) and individualised post-transplant ZA to prevent bone loss in alloSCT recipients. Patients received ZA 4 mg before conditioning. Administration of post-transplant ZA from days 100 to 365 post alloSCT was determined by a risk-adapted algorithm based on serial bone density assessments and glucocorticoid exposure...
June 19, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28627829/mir-29a-and-messenger-rna-expression-of-bone-turnover-markers-in-canonical-wnt-pathway-in-patients-with-ankylosing-spondylitis
#18
Jinxian Huang, Guoxiang Song, Zhihua Yin, Zhongchao Fu, Zhizhong Ye
BACKGROUND: Recent studies showed that the canonical Wnt pathway and miR-29a play important roles in the pathogenesis of bone formation. We studied the levels of miR-29a and messenger RNA (mRNA) of bone turnover markers in the canonical Wnt pathway in ankylosing spondylitis (AS). METHODS: The levels of miR-29a and mRNA of bone turnover markers in canonical Wnt pathway from peripheral blood mononuclear cells were determined by real-time quantitative polymerase chain reaction in 38 patients with AS and 32 healthy controls...
May 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28627425/a-multicenter-retrospective-analysis-stressing-importance-of-long-term-follow-up-after-hematopoietic-cell-transplantation-for-%C3%AE-thalassemia
#19
S Chaudhury, M Ayas, C Rosen, M Ma, M Viqaruddin, S Parikh, S Kharbanda, K Y Chiang, A Haight, M Bhatia, Gmt Guilcher, A Thompson, S Shenoy
Allogeneic hematopoietic cell transplantation (HCT) is curative in patients with β-thalassemia major. However, the majority of reports on HCT outcomes lack long-term follow-up data with the exception of single center reports. An international multicenter retrospective data collection and analysis was conducted in 176 β-Thalassemia patients who were 1 year or beyond after first HCT to evaluate follow up methods and outcomes at 7 centers- Median age at HCT was 5.5 years (range, 0.6- 18.5) and median follow-up was 7 years (range, 1-20)...
June 13, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28626156/a-method-to-establish-a-mouse-model-of-bone-marrow-microenvironment-injury
#20
Wenzhe Cheng, Quanhu Ge, Longfei Wan, Xiaoyi Wang, Xueling Chen, Xiangwei Wu
A normal bone marrow microenvironment plays a very important role in the normal functioning of hematopoietic stem cells. Once disturbed, this microenvironment can become favorable for the occurrence of blood disorders, cancers, and other diseases. Therefore, further studies on the bone marrow microenvironment should be performed to reveal regulatory and stem cell fate determination mechanisms and promote the development of bone marrow transplantation, tissue repair and regenerative medicine, and other fields...
June 13, 2017: Experimental Animals
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