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Linda Trinh, Kelly P Arbour-Nicitopoulos, Catherine M Sabiston, Scott R Berry, Andrew Loblaw, Shabbir M H Alibhai, Jennifer M Jones, Guy E Faulkner
BACKGROUND: Given the high levels of sedentary time and treatment-related side effects in prostate cancer survivors (PCS), interventions targeting sedentary behavior (SED) may be more sustainable compared to physical activity (PA). PURPOSE: To examine the feasibility of a web-based intervention (RiseTx) for reducing SED and increasing moderate-to-vigorous physical activity (MVPA) among PCS undergoing ADT. Secondary outcomes include changes in SED, MVPA, light intensity PA, and quality of life...
June 7, 2018: International Journal of Behavioral Nutrition and Physical Activity
Theresa E Matson, Anne D Renz, Michelle L Takemoto, Jennifer B McClure, Dori E Rosenberg
BACKGROUND: Older adults spend more time sitting than any other age group, contributing to poor health outcomes. Effective behavioral interventions are needed to encourage less sitting among older adults, specifically those with obesity, but these programs must be acceptable to the target population. We explored participant acceptance of a theory-based and technology-enhanced sitting reduction intervention designed for older adults (I-STAND). METHODS: The 12-week I-STAND intervention consisted of 6 health coaching contacts, a study workbook, a Jawbone UP band to remind participants to take breaks from sitting, and feedback on sitting behaviors (generated from wearing an activPAL device for 7 days at the beginning and mid-point of the study)...
June 7, 2018: BMC Public Health
João Cunha Salvador, Duarte Rosa, Miguel Rito, Alexandra Borges
We describe a case of a 70-year-old man presenting with a mandibular metastasis as the first sign of a mucinous adenocarcinoma of the rectum. After 6 months of a protracted toothache, the patient presented with a palpable mandibular mass and trismus, precluding adequate clinical evaluation. A CT scan was performed, and imaging findings suggested an aggressive primary jawbone tumour, most likely an osteosarcoma. However, biopsy and further patient's management proved to be a metastasis. Metastasis to the oral cavity account for only 1%-3% of all malignant oral tumours, and the mandible is the most frequent site...
June 4, 2018: BMJ Case Reports
Bradley Kendall, Bryanne Bellovary, Neha P Gothe
The purpose of this study was to assess the accuracy of energy expenditure (EE) estimation and step tracking abilities of six activity monitors (AMs) in relation to indirect calorimetry and hand counted steps and assess the accuracy of the AMs between high and low fit individuals in order to assess the impact of exercise intensity. Fifty participants wore the Basis watch, Fitbit Flex, Polar FT7, Jawbone, Omron pedometer, and Actigraph during a maximal graded treadmill test. Correlations, intra-class correlations, and t-tests determined accuracy and agreement between AMs and criterions...
June 4, 2018: Journal of Sports Sciences
X Dereka, E Calciolari, N Donos, N Mardas
Osteoporosis is one of the most common skeletal disorders affecting a significant percentage of people worldwide. Research data suggested that systemic diseases such as osteoporosis could act as risk factors for osseointegration, jeopardizing the healing process and thus the predictability of dental implant success on compromised patients. It is well accepted that preclinical studies in animal models reproducing the osteoporotic condition are one of the most important stages in the research of new biomaterials and therapeutic modalities...
May 30, 2018: Journal of Periodontal Research
Elena Martin-Fernandez, Ignacio Gonzalez-Gonzalez, Hector deLlanos-Lanchares, Mario Andres Mauvezin-Quevedo, Aritza Brizuela-Velasco, Angel Alvarez-Arenal
Purpose: The purpose of this study was to evaluate and compare the effect of three mandibular full-arch superstructures on the peri-implant bone stress distribution during mandibular flexure caused by mid-opening (27 mm) and protrusion mandibular movements. Materials and Methods: Three-dimensional finite element models were created simulating six osseointegrated implants in the jawbone. One model simulated a 1-piece framework and the other simulated 2-piece and 3-piece frameworks...
2018: BioMed Research International
Jesse D Cook, Michael L Prairie, David T Plante
STUDY OBJECTIVES: To evaluate the ability of a multisensory fitness tracker, the Jawbone UP3 (JB3), to quantify and classify sleep in patients with suspected central disorders of hypersomnolence. METHODS: This study included 43 patients who completed polysomnography (PSG) and a Multiple Sleep Latency Test (MSLT) with concurrent wrist-worn JB3 and Actiwatch 2 (AW2) recordings for comparison. Mean differences in nocturnal sleep architecture variables were compared using Bland-Altman analysis...
April 30, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
Cristian Rațiu, Aranka Ilea, Florin A Gal, Flavia Ruxanda, Bianca A Boşca, Viorel Miclăuș
OBJECTIVE: The article aims to highlight the challenge of establishing the presumptive aetiological diagnosis when unilocular or multilocular radiolucencies are identified in an elderly patient's jawbones. MATERIALS AND METHODS: A mandibular cyst-like lesion was identified in a 73-year-old patient. The therapeutic decision was cyst enucleation and grafting of the bone defect. RESULTS: The initial presumptive diagnosis was invalidated by the histopathological examination that revealed the features characteristic for the aneurysmal bone cyst...
June 2018: Gerodontology
Johann Lechner, Jürgen Aschoff, Tatjana Rudi
Background: Recent research on vitamin D indicates that our current understanding of the factors leading to chronic inflammation should be revised. One of the key mechanisms by which microbial immunosuppression occurs is the suppression of one of the most common endogenous cell nucleus receptors: the vitamin D receptor (VDR). Autoimmune diseases may be correlated with VDR deactivation (VDR-deac) which occurs when the receptor is no longer able to transcribe antimicrobial agents. Excess 1,25-dihydroxyvitamin D (1,25D) is not converted to 25-hydroxyvitamin D (25D); thus, high 1,25D levels may be accompanied by low 25D values...
2018: International Journal of General Medicine
Nicholas Wendel, Chelsea E Macpherson, Karoline Webber, Kathryn Hendron, DeAngelis Tamara, Colon-Semenza Cristina, Terry Ellis
Background: Wearable, consumer-grade activity trackers have become widely available as a means of monitoring physical activity in the form of step counts. However, step counts may not be accurate in persons with Parkinson disease (PD) due to atypical gait characteristics. Objective: This study aimed to investigate the accuracy of 4 consumer-grade activity trackers in individuals with PD while ambulating during continuous and discontinuous walking tasks. Design: This study used a cross-sectional design...
April 30, 2018: Physical Therapy
Karina Morais Faria, Ana Carolina Prado Ribeiro, Thais Bianca Brandão, Wagner Gomes Silva, Marcio Ajudarte Lopes, Juliana Pereira, Marcelo Corrêa Alves, Luiz Alcino Gueiros, Werner Harumiti Shintaku, Cesar Augusto Migliorati, Alan Roger Santos-Silva
BACKGROUND: The purpose of this study was to evaluate whether intravenous (IV) bisphosphonate (BP) therapy can change the radiographic patterns of multiple myeloma (MM) in the jawbones. METHODS: The authors evaluated panoramic radiographs obtained from 188 patients with MM for the presence of solitary osteolytic lesions, multiple osteolytic lesions, diffuse osteoporosis, diffuse sclerosis, lamina dura abnormalities, nonhealing alveolar sockets, and bone sequestration...
May 2018: Journal of the American Dental Association
Astrid M Hoving, Joep Kraeima, Rutger H Schepers, Hildebrand Dijkstra, Jan Hendrik Potze, Bart Dorgelo, Max J H Witjes
BACKGROUND: MRI is the optimal method for sensitive detection of tumour tissue and pre-operative staging in oral cancer. When jawbone resections are necessary, the current standard of care for oral tumour surgery in our hospital is 3D virtual planning from CT data. 3D printed jawbone cutting guides are designed from the CT data. The tumour margins are difficult to visualise on CT, whereas they are clearly visible on MRI scans. The aim of this study was to change the conventional CT-based workflow by developing a method for 3D MRI-based lower jaw models...
2018: PloS One
Jeng-Huey Chen, Chih-Huang Tseng, Wen-Chen Wang, Ching-Yi Chen, Fu-Hsiung Chuang, Yuk-Kwan Chen
This retrospective study aimed to evaluate the clinicopathological features of 232 cases of radicular cyst (January 2001-December 2016) submitted for histopathological examination to Department of Oral Pathology by endodontists in our institution. Demographic data including age, gender, affected site, involved tooth, and histopathological features, were reviewed. The study population comprised 133 females (57.3%) and 99 males (42.7%), with a mean age of 40.5 years and an age range of 13-78 years. Two-hundred and one cysts occurred in the maxilla (86...
April 2018: Kaohsiung Journal of Medical Sciences
Junqing Xie, Dong Wen, Lizhong Liang, Yuxi Jia, Li Gao, Jianbo Lei
BACKGROUND: Wearable devices have attracted much attention from the market in recent years for their fitness monitoring and other health-related metrics; however, the accuracy of fitness tracking results still plays a major role in health promotion. OBJECTIVE: The aim of this study was to evaluate the accuracy of a host of latest wearable devices in measuring fitness-related indicators under various seminatural activities. METHODS: A total of 44 healthy subjects were recruited, and each subject was asked to simultaneously wear 6 devices (Apple Watch 2, Samsung Gear S3, Jawbone Up3, Fitbit Surge, Huawei Talk Band B3, and Xiaomi Mi Band 2) and 2 smartphone apps (Dongdong and Ledongli) to measure five major health indicators (heart rate, number of steps, distance, energy consumption, and sleep duration) under various activity states (resting, walking, running, cycling, and sleeping), which were then compared with the gold standard (manual measurements of the heart rate, number of steps, distance, and sleep, and energy consumption through oxygen consumption) and calculated to determine their respective mean absolute percentage errors (MAPEs)...
April 12, 2018: JMIR MHealth and UHealth
Darcy Ummels, Emmylou Beekman, Kyra Theunissen, Susy Braun, Anna J Beurskens
BACKGROUND: Measuring physical activity with commercially available activity trackers is gaining popularity. People with a chronic disease can especially benefit from knowledge about their physical activity pattern in everyday life since sufficient physical activity can contribute to wellbeing and quality of life. However, no validity data are available for this population during activities of daily living. OBJECTIVE: The aim of this study was to investigate the validity of 9 commercially available activity trackers for measuring step count during activities of daily living in people with a chronic disease receiving physiotherapy...
April 2, 2018: JMIR MHealth and UHealth
Asma'a A Al-Ekrish, Sara A Alfadda, Dania Tamimi, Wafa Alfaleh, Romed Hörmann, Wolfgang Puelacher, Gerlig Widmann
PURPOSE: To investigate whether ultra-low-dose multidetector computed tomography (MDCT) combined with the reconstruction techniques filtered backprojection (FBP), adaptive statistical iterative reconstruction (ASIR), or model-based iterative reconstruction (MBIR) alters the subjective classification of revised Lekholm and Zarb (LZ) bone types at prospective dental implant sites. MATERIALS AND METHODS: Three cadavers underwent a reference MDCT examination using a standard dose volume (CT dose index [CTDIvol ]: 29...
March 28, 2018: International Journal of Prosthodontics
Imad Barngkgei, Razan Khattab
AIM: The aim of the present cross-sectional study was to investigate the effects of bisphosphonates (BP), prescribed for osteoporosis, on jawbones using multidetector computed tomography (MDCT). METHODS: Fifty-three women who had dual-energy X-ray absorptiometry examination were scanned by MDCT. Both the cortical and the trabecular parts of the alveolar and the cortical bones were compared between BP users and non-BP users using a number of radiological measurements...
March 25, 2018: Journal of Investigative and Clinical Dentistry
I Floris, J Lechner, B Lejeune
Regulated-on-activation, normal T cell expressed and secreted (also called RANTES, CCL5 or R/C) is a chemotactic cytokine that plays a key role in recruiting immune cells to inflammatory sites. R/C is involved in the pathogenesis of many systemic immune-mediated diseases (SIDs) and is upregulated in fatty-degenerative osteolysis jawbone (FDOJ) cavitations. Surgical cleaning of degenerative areas reduces the source of chronic R/C but might not be sufficient to re-establish the altered immunological patterns...
January 2018: Journal of Biological Regulators and Homeostatic Agents
Jochen Kressler, Joshua Koeplin-Day, Benedikt Muendle, Brice Rosby, Elizabeth Santo, Antoinette Domingo
The purpose of this study was to evaluate whether consumer-level activity trackers can estimate wheelchair strokes and arm ergometer revolutions. Thirty able-bodied participants wore three consumer-level activity trackers (Garmin VivoFit, FitBit Flex, and Jawbone UP24) on the wrist. Participants propelled a wheelchair at fixed frequencies (30, 45 and 60 strokes per minute (spm)) three minutes each and at pre-determined varied frequencies, (30-80 spm) for two minutes. Participants also freely wheeled through an obstacle course...
2018: PloS One
Dori E Rosenberg, Amy K Lee, Melissa Anderson, Anne Renz, Theresa E Matson, Jacqueline Kerr, David Arterburn, Jennifer B McClure
BACKGROUND: Older adults have high rates of obesity and are prone to chronic health conditions. These conditions are in part due to high rates of sedentary time (ST). As such, reducing ST could be an innovative strategy for improving health outcomes among obese older adults. To test this theory, we developed a novel, technology-enhanced intervention to reduce sitting time (I-STAND) and pilot tested it to assess the feasibility, acceptability, and preliminary effects of the intervention on ST and biometric outcomes...
February 12, 2018: JMIR Research Protocols
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