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Clinical Densitometry

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https://www.readbyqxmd.com/read/29445872/bowman-layer-transplantation-5-year-results
#1
Korine van Dijk, Jack S Parker, Lamis Baydoun, Abbas Ilyas, Isabel Dapena, Esther A Groeneveld-van Beek, Gerrit R J Melles
PURPOSE: The purpose of this study was to evaluate the 5-year clinical results of isolated Bowman layer (BL) transplantation in the treatment of advanced keratoconus. METHODS: In this prospective, single-center, interventional case series at a tertiary referral center, 20 eyes of 17 patients with advanced keratoconus underwent BL transplantation, i.e. an isolated Bowman layer graft was positioned into a manually dissected mid-stromal pocket. Scheimpflug-based corneal tomography measurements, best corrected spectacle and contact lens visual acuities (BSCVA and BCLVA), endothelial cell density, and complications were evaluated up to 5 years after surgery...
February 14, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29445272/ct-densitometry-in-emphysema-a-systematic-review-of-its-clinical-utility
#2
Diana Crossley, Mary Renton, Muhammad Khan, Emma V Low, Alice M Turner
Background: The aim of the study was to assess the relationship between computed tomography (CT) densitometry and routine clinical markers in patients with chronic obstructive pulmonary disease (COPD) and alpha-1 anti-trypsin deficiency (AATD). Methods: Multiple databases were searched using a combination of pertinent terms and those articles relating quantitatively measured CT densitometry to clinical outcomes. Studies that used visual scoring only were excluded, as were those measured in expiration only...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29429284/-clinical-observation-on-corneal-transparency-after-small-incision-lenticule-extraction-surgery
#3
L Zhang, Y Wang, T Cui, W Zhao, W B Cheng
Objective: To evaluate the changes of corneal transparency over the 1-year period after small incision lenticule extraction (SMILE) according to corneal Scheimpflug densitometry. Methods: Prospective cohort study. Fifty-five patients (100 eyes) with myopia (19 male and 36 female, aged 18 to 39 years with average of 24) who underwent SMILE and regular follow-up for at least 1 year at Tianjin Eye Hospital were enrolled. Examinations took place before SMILE and postoperatively at 1 day, 1 week, and 1, 3, 6, and 12 months...
January 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29396318/treatment-of-enucleated-odontogenic-jaw-cysts-a-systematic-review
#4
REVIEW
Mayte Buchbender, Friedrich W Neukam, Rainer Lutz, Christian M Schmitt
OBJECTIVES: In this systematic review, we aimed to assess the impact of filling or not filling enucleated odontogenic jaw cysts on bony defect consolidation. In terms of filling, we aimed to assess which is the best filling material based on current evidence. STUDY DESIGN: An electronic search was performed using PubMed, Embase, and MEDLINE databases with the logical operators: "odontogenic cysts" AND "jaw cysts" AND "treatment AND therapy." RESULTS: Thirteen studies with primary enucleation (6 with filling and 7 without filling) were included...
December 29, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29384807/an-early-finding-of-keratoconus-increase-in-corneal-densitometry
#5
Mustafa Koc, Kemal Tekin, Merve Inanc Tekin, Mehmet Murat Uzel, Pinar Kosekahya, Kemal Ozulken, Pelin Yilmazbas
PURPOSE: To investigate the corneal densitometry in subclinical keratoconus with normal elevation and pachymetric parameters. METHODS: Patients with clinical keratoconus in one eye and subclinical keratoconus in the fellow eye were identified. The study group was selected from patients with subclinical keratoconus who showed normal results from topographic and Belin-Ambrósio Enhanced Ectasia Display III (BAD) analysis (Kmean <47.2 diopters, inferior-superior asymmetry <1...
January 30, 2018: Cornea
https://www.readbyqxmd.com/read/29350509/measuring-overuse-with-electronic-health-records-data
#6
Thomas Isaac, Meredith B Rosenthal, Carrie H Colla, Nancy E Morden, Alexander J Mainor, Zhonghe Li, Kevin H Nguyen, Elizabeth A Kinsella, Thomas D Sequist
OBJECTIVES: To measure overuse of low-value care using electronic health record (EHR) data and manual chart review and to evaluate whether certain low-value services are better captured using EHR data. STUDY DESIGN: We implemented algorithms to extract performance on 13 Choosing Wisely-identified healthcare services using EHR data at a large physician practice group between 2011 and 2013. METHODS: We calculated rates of overuse using automated EHR extracts...
January 2018: American Journal of Managed Care
https://www.readbyqxmd.com/read/29330781/a-review-of-the-methods-and-associated-mathematical-models-used-in-the-measurement-of-fat-free-mass
#7
REVIEW
Jaydeep Sinha, Stephen B Duffull, Hesham S Al-Sallami
Fat-free mass (FFM) represents the lean component of the body devoid of fat. It has been shown to be a useful predictor of drug dose requirements, particularly in obesity where the excess fat mass does not contribute to drug clearance. However, measuring FFM involves complex and/or expensive experimental methodologies that preclude their use in routine clinical practice. Thus, models to predict FFM from readily measurable variables, such as body weight and height, have been developed and are used in both population pharmacokinetic modelling and clinical practice...
January 12, 2018: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/29330062/fundus-densitometry-findings-suggest-optic-disc-hemorrhages-in-primary-open-angle-glaucoma-have-an-arterial-origin
#8
Jonathan C Chou, Clara C Cousins, John B Miller, Brian J Song, Lucy Q Shen, Michael A Kass, Janey L Wiggs, Louis R Pasquale
PURPOSE: To analyze optic disc hemorrhages (DH) associated with primary open-angle glaucoma by quantifying their geometric profile and comparing their densitometry with hemorrhages from retinal vein occlusions (RVO) and retinal macroaneurysms (MA), which have venous and arterial sources of bleeding, respectively. DESIGN: Retrospective cross-sectional study METHODS: Setting: Massachusetts Eye & Ear POPULATION: Fundus images of DH (n=40), MA (n=14), and RVO (n=25) were identified...
January 9, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29329765/usefulness-of-the-trabecular-bone-score-for-assessing-the-risk-of-osteoporotic-fracture
#9
L Redondo, E Puigoriol, J R Rodríguez, P Peris, E Kanterewicz
INTRODUCTION AND OBJECTIVES: The trabecular bone score (TBS) is an imaging technique that assesses the condition of the trabecular microarchitecture. Preliminary results suggest that TBS, along with the bone mineral density assessment, could improve the calculation of the osteoporotic fracture risk. The aim of this study was to analyse TBS values and their relationship with the clinical characteristics, bone mineral density and history of fractures of a cohort of posmenopausal women. MATERIAL AND METHODS: We analysed 2,257 posmenopausal women from the FRODOS cohort, which was created to determine the risk factors for osteoporotic fracture through a clinical survey and bone densitometry with vertebral morphometry...
January 9, 2018: Revista Clínica Española
https://www.readbyqxmd.com/read/29322017/clinical-profile-and-long-term-follow-up-of-32-patients-with-postoperative-permanent-hypoparathyroidism
#10
Leyre Lorente-Poch, Juan J Sancho, Leticia Carballo, Antonio Sitges-Serra
Background: Parathyroid failure is the most common complication after total thyroidectomy but permanent impairment of the parathyroid function is unusual. Limited data is available assessing long-term follow-up, quality of life and complications occurring in patients with permanent hypoparathyroidism (PH). We aimed to assess the incidence of complications derived from PH status, their influence on the quality of life perceived by PH patients and its relation to standard medical treatment with calcium salts and active vitamin D analogues...
December 2017: Gland Surgery
https://www.readbyqxmd.com/read/29306499/an-alternative-treatment-for-osteoporotic-su-type-iii-periprosthetic-supracondylar-femur-fractures-double-locking-plate-fixation
#11
Hakan Çiçek, Ümit Tuhanioğlu, Hasan Ulaş Oğur, Fırat Seyfettinoğlu, Murat Bozkurt
INTRODUCTION: Patients with Su Type III fractures based on total knee arthroplasty (TKA) constitute a patient group with problematic treatment and management. Although it has difficulties, open reduction and internal fixation is one of the treatment options. METHOD: A retrospective evaluation was made of 22 patients surgically treated in our clinic with double locking, low contact titanium plate and screw for a Su Type III periprosthetic fracture based on TKA. The patients were evaluated with bone mineral densitometry, postoperative Knee Society Score (KSS), WOMAC and radiological evaluations...
January 3, 2018: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29282548/the-qualyor-qualit%C3%A3-osseuse-lyon-orl%C3%A3-ans-study-a-new-cohort-for-non-invasive-evaluation-of-bone-quality-in-postmenopausal-osteoporosis-rationale-and-study-design
#12
Roland Chapurlat, Jean-Baptiste Pialat, Blandine Merle, Elisabeth Confavreux, Florence Duvert, Elisabeth Fontanges, Farida Khacef, Sylvie Loiseau Peres, Anne-Marie Schott, Eric Lespessailles
The diagnostic performance of densitometry is inadequate. New techniques of non-invasive evaluation of bone quality may improve fracture risk prediction. Testing the value of these techniques is the goal of the QUALYOR cohort. INTRODUCTION: The bone mineral density (BMD) of postmenopausal women who sustain osteoporotic fracture is generally above the World Health Organization definition for osteoporosis. Therefore, new approaches to improve the detection of women at high risk for fracture are warranted...
December 27, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29276732/normocalcemic-primary-hyperparathyroidism-associated-with-progressive-cortical-bone-loss-a-case-report
#13
Joseph R Tucci
The existence of normocalcemic primary hyperparathyroidism (NPHP) was acknowledged at the Third and Fourth International Proceedings on primary hyperparathyroidism PHPT but data relating to its clinical presentation, natural history, and skeletal status were limited and there was no information nor guidelines as to definitive therapy. Herein are reported biochemical, hormonal, and densitometry data in a postmenopausal woman seen initially for osteoporosis who was found to have increased serum PTH levels and normal serum total and ionized calcium levels without evidence of secondary hyperparathyroidism...
December 2017: Bone Reports
https://www.readbyqxmd.com/read/29246501/multiethnic-study-of-breast-arterial-calcium-gradation-and-cardiovascular-disease-cohort-recruitment-and-baseline-characteristics
#14
Carlos Iribarren, Gabriela Sanchez, Gail Husson, Tory Levine-Hall, Charles Quesenberry, Danny L Sam, Joetta Maier, Rakesh S Chaudhary, Minal Patel, Bahman Sadeghi, Hanna Javan, Hyo-Min Cho, Huanjun Ding, Sabee Molloi
PURPOSE: MultIethNic Study of BrEast ARterial Calcium Gradation and CardioVAscular Disease (MINERVA) was designed to answer the question of whether a novel continuous breast arterial calcification (BAC) mass score improves cardiovascular risk stratification among asymptomatic postmenopausal women. This article describes recruitment and baseline characteristics. METHODS: MINERVA is a multiethnic longitudinal cohort study. The phenotype data include BAC mass by densitometry applied to digital mammograms, sociodemographic factors, self-reported medical history, medications, parental history, reproductive history, smoking, alcohol consumption, physical activity, anthropometry, ankle-brachial index, blood pressure, laboratory panel, breast volumes, cognitive function, bioelectrical impedance, habitual diet, dietary supplements, sleep, psychosocial factors, and sun exposure...
December 5, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/29220063/preventive-care-screening-in-the-puerto-rican-geriatric-population-a-formative-evaluation-of-patient-knowledge
#15
Vanessa Sepúlveda-Rivera, Christian Donato-Santana, Gil Diaz-Vega
OBJECTIVE: This study was meant to be the first step in bridging a gap in the literature concerning Puerto Rican geriatric patients' levels of knowledge concerning 4 preventive care screening tests: mammography, bone densitometry, colonoscopy, and lipid panels. METHODS: Patients 65 years old and older were interviewed at the University of Puerto Rico (UPR), Medical Sciences Campus, primary care clinics. Fisher's exact test was used to assess knowledge status for each screening test...
December 2017: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/29203343/wide-variation-in-organisation-and-clinical-practice-of-paediatric-intestinal-failure-teams-an-international-survey
#16
Esther Neelis, Barbara de Koning, Myriam van Winckel, Merit Tabbers, Susan Hill, Jessie Hulst
BACKGROUND & AIMS: We aimed to assess the current organisation and clinical practice of teams treating children with intestinal failure (IF) across Europe and compare the results with the current guideline. METHODS: A two-part online survey was sent to all the major European specialist IF services. The first part concerned general information about the team and patients monitored. The second part concerned important care topics such as vascular access and monitoring of complications...
November 22, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29198430/correlation-between-mandibular-bone-density-and-skeletal-bone-density-in-a-catalonian-postmenopausal-population
#17
Albert Estrugo-Devesa, Juan Segura-Egea, Laia García-Vicente, Mayra Schemel-Suárez, Ándres Blanco-Carrrión, Enric Jané-Salas, José López-López
OBJECTIVES: The aim of this study was to determine if the mandible (MD) experiences reductions in bone mineral density (BMD) similar to the lumbar spine (LS) and femoral neck (FN) in a postmenopausal population. STUDY DESIGN: A total of 137 postmenopausal women underwent 3 types of densitometric examinations: LS, FN, and MD as measured in 3 regions (MD-R1, MD-R2, and MD-R3), as well as the entire mandible (MD-Net) using a dual photon bone X-ray densitometer. Densitometry of the LS and FN were performed according to the protocol of the International Society for Clinical Densitometry...
November 29, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29173816/the-prediction-of-body-composition-in-african-americans-from-spine-and-hip-dual-energy-absorptiometry
#18
Rajesh K Jain, Tamara Vokes
Body composition, the makeup of the body's fat and lean tissue, is associated with important health outcomes and provides useful clinical information. Although body composition can be measured with total body dual-energy X-ray absorptiometry (DXA), this is rarely performed. As an alternative to total body DXA measurement, methods for estimation of body composition have been developed. These methods use soft tissue measures from spine and hip DXA to predict body composition and include prediction equations previously published by Leslie and proprietary equations within General Electric densitometry software...
October 25, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/29152655/tgf%C3%A2-%C3%AE-1-expression-in-adults-with-non%C3%A2-traumatic-osteonecrosis-of-the-femoral-head
#19
Jun Tao, Bin Dong, Li-Xin Yang, Ke-Qing Xu, Shuai Ma, Jun Lu
Non-traumatic osteonecrosis of the femoral head (NONFH) is a common clinical osteoarthropathy. The present study aimed to investigate the association between transforming growth factor β1 (TGF‑β1) and NONFH. Femoral head specimens were collected from patients with NONFH. Patients with traumatic osteonecrosis served as the control. Hematoxylin and eosin (H&E) staining was used to visualize the bone tissue architecture. Immunohistochemistry and densitometry were performed to quantify TGF‑β1 expression in tissues...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29150162/distribution-of-clinical-risk-factors-for-fracture-in-a-brussels-cohort-of-postmenopausal-women-the-frisbee-study-and-comparison-with-other-major-cohort-studies
#20
S I Cappelle, I Ramon, C Dekelver, S Rozenberg, F Baleanu, R Karmali, M Rubinstein, M Tondeur, M Moreau, M Paesmans, P Bergmann, J-J Body
OBJECTIVES: The estimation of fracture risk using clinical risk factors (CRFs) is of primary concern in osteoporosis management, but only some risk factors have been thoroughly evaluated and incorporated in predictive models. We have launched a large prospective study, the 'Fracture Risk Brussels Epidemiological Enquiry' (FRISBEE), to develop a new predictive model for osteoporotic fractures. The aims of this report are to describe the methodology of the FRISBEE study and to compare the distribution of CRFs in our cohort with those reported in other large studies...
December 2017: Maturitas
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