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Journal of Bone and Mineral Metabolism

Youn Jung, Yeonhee Ko, Ha Young Kim, Yong Chan Ha, Young-Kyun Lee, Tae-Young Kim, Dong-Soo Choo, Sunmee Jang
This study examined differences between men and women in factors affecting anti-osteoporosis drug treatment after osteoporotic fracture. Using a national claims database, we analyzed patients aged 50 years and older who experienced their first osteoporotic fracture between January 1, 2008, and December 31, 2012. We examined whether patients were prescribed anti-osteoporosis drugs within 6 months post-fracture. Factors associated with treatment status were identified using multivariate logistic regression...
March 13, 2018: Journal of Bone and Mineral Metabolism
Satoshi Kondo, Hiroyuki Kakihata, Yosuke Nishida, Yuko Furuno, Yumiko Kobayashi, Hidehiro Tabata, Makoto Nomura
We conducted a post-marketing observational study to investigate the safety and effectiveness of eldecalcitol for the treatment of osteoporosis in a Japanese clinical setting. The observation period was 12 months for women and 36 months for men. The final results for the female patients have already been published. In this article, the final results for the male patients are reported. A total of 470 male osteoporosis patients were enrolled. The safety analysis set included 431 patients (mean age, 76.8 years; mean ± SD follow-up period, 631...
March 12, 2018: Journal of Bone and Mineral Metabolism
Hiroshi Hagino, Satoshi Soen, Toshitsugu Sugimoto, Naoto Endo, Ryo Okazaki, Kiyoshi Tanaka, Toshitaka Nakamura
We investigated changes in quality of life (QOL), including pain, in Japanese women aged ≥ 55 years who were diagnosed as having osteoporosis at 265 centers across Japan and treated continuously with once-weekly bisphosphonates for 24 months. In 2650 evaluable patients, a significant improvement in QOL was observed from 3 months after enrollment onward and maintained throughout the 2-year observation period. A significant improvement in scores was observed for all domains of the Euro QOL 5 Dimension (EQ-5D), and the "pain", "health perception", and "posture, figure" domains of the Japanese Osteoporosis QOL Questionnaire (JOQOL)...
March 9, 2018: Journal of Bone and Mineral Metabolism
Saeko Fujiwara, Xiahong Zhao, Cheryl Teoh, Dena H Jaffe, Yurie Taguchi
Osteoporosis remains undertreated in Japan, and bone fractures are the most frequent complications imposing heavy burden on individuals and the community. This paper investigates the clinical and economic burden of fractures among osteoporosis patients in Japan. The Japan National Health and Wellness Survey 2012-2014 database was used for analysis. Respondents aged ≥ 50 years and indicated a physician diagnosis of osteoporosis (N = 1107) were categorized into three subgroups: no prior fracture (N = 693), single fracture (N = 242), and multiple (≥ 2) fractures (N = 172)...
March 8, 2018: Journal of Bone and Mineral Metabolism
Yueh-Han Hsu, Hsin-Yi Yang
No abstract text is available yet for this article.
March 8, 2018: Journal of Bone and Mineral Metabolism
Katsuhiko Nakatsukasa, Hiroshi Koyama, Yoshimi Ouchi, Kouichi Sakaguchi, Yoshifumi Fujita, Takayuki Matsuda, Makoto Kato, Eiichi Konishi, Tetsuya Taguchi
Adjuvant aromatase inhibitor (AI) therapy, for hormone receptor-positive breast cancer, in postmenopausal women is associated with bone loss, leading to an increased risk of fractures. Denosumab, an antibody raised against the receptor activator of nuclear factor-κB ligand, has been proven to protect against AI-induced bone loss. Hence, we aimed to determine whether denosumab is effective in postmenopausal Japanese women with osteoporosis, treated with AI. We prospectively evaluated the bone mineral density (BMD) in the lumbar spine and the bilateral femoral neck in 102 postmenopausal women with clinical hormone receptor-positive breast cancer, stages I-IIIA, during a postoperative period of 12 months...
March 8, 2018: Journal of Bone and Mineral Metabolism
Hamed Kord-Varkaneh, Hadith Tangestani, Sara Mansouri, Abbas Rahimi-Foroushani, Sakineh Shab-Bidar
There is no agreement on the role of obesity as a protection or unfavorable factor on bone. In the present study, the association of body mass index (BMI) and waist circumference (WC) with osteocalcin, C-terminal telopeptide of type 1 collagen (CTX-I), highly sensitive C-reactive protein (hs-CRP), parathormon (PTH) and 25-hydroxyvitamin D (25(OH)D) in elderly people was investigated. This cross-sectional study was conducted on 178 elderly residents in Tehran, with a mean age of 67.04 (60-83). Serum osteocalcin, hs-CRP, 25(OH) D, PTH and urine CTX-I were measured for all participants...
February 23, 2018: Journal of Bone and Mineral Metabolism
Junko Tamaki, Masayuki Iki, Yuho Sato, Renaud Winzenrieth, Etsuko Kajita, Sadanobu Kagamimori
This study examined whether bone microarchitecture determined by Trabecular Bone Score (TBS) is associated with the risk of major osteoporotic fractures independent of FRAX® in Japanese women. Participants included 1541 women aged ≥ 40 at baseline. Major osteoporotic fractures during a 10-year follow-up period were documented by the Japanese Population-based Osteoporosis Cohort Study. TBS and areal bone mineral density (aBMD) were calculated for the same spinal regions at baseline. To compare the predictive ability of FRAX® model when used alone versus in combination with TBS, Akaike information criterion (AIC), the area under the receiver operating characteristic curve (AUC), net reclassification improvement (NRI), and integrated discrimination improvement (IDI) were calculated...
February 21, 2018: Journal of Bone and Mineral Metabolism
Masafumi Kurajoh, Masaaki Inaba, Yuki Nagata, Shinsuke Yamada, Yasuo Imanishi, Masanori Emoto
Coexistence of chronic kidney disease (CKD) is regarded as a risk for osteoporotic fracture particularly in postmenopausal women, not only because of increased parathyroid hormone level but also uremic sarcopenia. We examined the relationships of cystatin C-based glomerular filtration rate (eGFRcys) and creatinine-based GFR (eGFRcr), as well as their ratio with occurrence of osteoporotic fracture in postmenopausal osteoporotic women. This cross-sectional study included 555 postmenopausal women with osteoporosis...
February 20, 2018: Journal of Bone and Mineral Metabolism
Purnima Agarwal, Ramesh Gomez, Eesh Bhatia, Subhash Yadav
Sheehan's syndrome (SS) is an important cause of pan-hypopituitarism in women. There is scanty information on bone mineral density (BMD) in this condition. We determined BMD and the changes in BMD after oestrogen (E2) replacement and nutritional supplementation in women with SS. In a cross-sectional study, BMD was measured by DEXA in 83 patients [age (mean ± SD) 42 ± 9.2 years] and compared with an equal number of matched controls. In a sub-set of 19 patients, we conducted an open-label, prospective study to determine changes in BMD after 1 year of replacement of E2, and calcium and vitamin D3 supplementation...
February 20, 2018: Journal of Bone and Mineral Metabolism
Katsuyasu Kouda, Kumiko Ohara, Yuki Fujita, Harunobu Nakamura, Takahiro Tachiki, Masayuki Iki
Leptin regulates bone cell differentiation and functions via direct and indirect actions in experimental settings. Epidemiologically, however, the impact of leptin on the regulation of bone metabolism remains unclear. While some studies have reported a positive relationship between leptin and bone mineral parameters, other studies found an inverse or no association. We analyzed data from a population-based follow-up survey of community-dwelling children in Hamamatsu, Japan, to investigate relationships between leptin levels and bone mineral parameters...
February 2, 2018: Journal of Bone and Mineral Metabolism
Zhou-Shan Tao, Wan-Shu Zhou, Xin-Jing Wu, Lin Wang, Min Yang, Jia-Bing Xie, Zhu-Jun Xu, Guo-Zheng Ding
Parathyroid hormone (1-34, PTH) combined β-tricalcium phosphate (β-TCP) achieves stable bone regeneration without cell transplantation in previous studies. Recently, with the development of tissue engineering slow release technology, PTH used locally to promote bone defect healing become possible. This study by virtue of collagen with a combination of drugs and has a slow release properties, and investigated bone regeneration by β-TCP/collagen (β-TCP/COL) with the single local administration of PTH. After the creation of a rodent critical-sized femoral metaphyseal bone defect, β-TCP/COL was prepared by mixing sieved granules of β-TCP and atelocollagen for medical use, then β-TCP/COL with dripped PTH solution (1...
February 1, 2018: Journal of Bone and Mineral Metabolism
Ravisha Wadhwa, Manoj Kumar, Yam Nath Paudel, Ramsha Iqbal, Priyanka Kothari, Ritu Trivedi, Divya Vohora
In view of the opposite effects of gut and brain serotonin in bone, the key role of Wnt β/catenin pathway in osteoblastic proliferation and the controversial bony effects of selective serotonin reuptake inhibitors antidepressants, the present study investigated the effects of escitalopram alone and in combination with carbidopa (to block gut-derived serotonin) on markers of bone turnover and Wnt signaling and micro-CT in male Wistar rats. Escitalopram (2.0 mg/kg, p.o.) and carbidopa (10 mg/kg, p.o.) were administered daily for 40 days following which indicators of reduced (dickkopf-1, sclerostin), and increased (alkaline phosphatase) bone formation and bone resorption markers (receptor activator of nuclear factor κB ligand, tartrate-resistant acid phosphatase 5b) were determined...
January 29, 2018: Journal of Bone and Mineral Metabolism
Jiwon Hwang, Jung Hye Hwang, Seungho Ryu, Joong Kyong Ahn
Bone health has been associated with oxidative stress and antioxidants have received interest to this end. Serum uric acid (SUA), an end product of purine metabolism in humans, has recently shown antioxidant properties regarding bone health, but there are conflicting results. The aim of this study was to investigate the relationship between SUA levels and lumbar spine bone mineral density (BMD) in clinically apparently healthy males aged 40-60 years. We performed a cross-sectional study of 6588 Korean males who completed a health-screening program from January 2011 to December 2014...
January 25, 2018: Journal of Bone and Mineral Metabolism
Melissa F P Santos, Mariel J Hernández, Ivone B de Oliveira, Flávia R Siqueira, Wagner V Dominguez, Luciene M Dos Reis, Aluizio B Carvalho, Rosa M A Moysés, Vanda Jorgetti
Chronic kidney disease-mineral bone disorders (CKD-MBD) are associated with increased risk of fracture. Studies report about 3% of fractures in CKD patients, and these occur earlier than in the general population, namely 16 and 13 years earlier for men and women, respectively. Better understanding of the pathophysiology of fractures would probably contribute to new therapeutic approaches. This study aimed to evaluate report of long bone fractures from a bone biopsies bank from patients on hemodialysis and compare clinical and biochemical characteristics, as well as the results of the histomorphometric analysis of trabecular and cortical bone of these patients with a control group (without fractures), paired for age, gender, and time on hemodialysis...
January 25, 2018: Journal of Bone and Mineral Metabolism
Fabio V Comim, Melissa O Premaor
No abstract text is available yet for this article.
January 25, 2018: Journal of Bone and Mineral Metabolism
Fernanda Rossi Paolillo, Renan Arnon Romano, Luciana de Matos, Airton Abrahão Martin, Francisco Eduardo Gontijo Guimarães, Jarbas Caiado de Castro Neto, Vanderlei Salvador Bagnato
There are few published data on the relationship between loss of bone mass due to osteoporosis and poor tooth quality. This study analyzed the effects of osteoporosis on incisor teeth and femoral bones using optical techniques in rats. Twenty female Wistar rats aged 6 months (n = 20) were randomized into two groups: control group, non-ovariectomized rats (n = 10); ovariectomy group, ovariectomized rats to induce osteoporosis (n = 10). Each group was subdivided randomly into two groups containing five rats each as follows...
January 17, 2018: Journal of Bone and Mineral Metabolism
Kei Yoneki, Jun Kitagawa, Keika Hoshi, Manae Harada, Takaaki Watanabe, Takahiro Shimoda, Ryota Matsuzawa, Atsushi Yoshida, Yusuke Matsunaga, Yasuo Takeuchi, Kentaro Kamiya, Atsuhiko Matsunaga
Frailty is significantly associated with bone loss in the general population. However, it is unclear whether this association also exists in patients undergoing hemodialysis who have chronic kidney disease-mineral and bone disorder (CKD-MBD). This study aimed to assess the association between frailty and bone loss in patients undergoing hemodialysis. This cross-sectional study included 214 (90 women, 124 men) Japanese outpatients undergoing maintenance hemodialysis three times per week, with a mean age of 67...
January 15, 2018: Journal of Bone and Mineral Metabolism
Justyna Jolanta Miszkiewicz, Patrick Mahoney
Recent quantitative analyses of human bone microanatomy, as well as theoretical models that propose bone microstructure and gross anatomical associations, have started to reveal insights into biological links that may facilitate remodeling processes. However, relationships between bone size and the underlying cortical bone histology remain largely unexplored. The goal of this study is to determine the extent to which static indicators of bone remodeling and vascularity, measured using histomorphometric techniques, relate to femoral midshaft cortical width and robusticity...
January 13, 2018: Journal of Bone and Mineral Metabolism
Martin Wein, Diana Huelter-Hassler, Katja Nelson, Tobias Fretwurst, Susanne Nahles, Guenter Finkenzeller, Brigitte Altmann, Thorsten Steinberg
In our previous study, we revealed significant differences of osteopontin (OPN) gene expression in primary human osteoblasts (HOBs) derived from iliac crest bone (iHOBs) and alveolar bone (aHOBs). The present study aims at assigning this discriminative expression to a possible biologic function. OPN is known to be involved in several pathologic and physiologic processes, among others angiogenesis. Therefore, we studied the reaction of human umbilical vein endothelial cells (HUVECs) to HOB-derived OPN regarding angiogenesis...
January 11, 2018: Journal of Bone and Mineral Metabolism
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