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Ultrasound bone

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https://www.readbyqxmd.com/read/28639437/ultrasound-assisted-green-economic-synthesis-of-hydroxyapatite-nanoparticles-using-eggshell-bio-waste-and-study-of-mechanical-and-biological-properties-for-orthopaedic-applications
#1
Vijay H Ingole, Kamal Hany Hussein, Anil A Kashale, Kalyani Ghule, Tomaž Vuherer, Vanja Kokol, Jia-Yaw Chang, Yong-Chien Ling, Aruna Vinchurkar, Hom N Dhakal, Anil V Ghule
Nanostructured hydroxyapatite (HAp) is most favorable candidate biomaterial for bone tissue engineering because of its bioactive and osteoconductive properties. Herein, we report for the first time ultrasound assisted facile and economic approach for the synthesis of nanocrystalline hydroxyapatite (Ca10 (PO4 )6 (OH)2 ) using recycled eggshell bio-waste referred as EHAp. The process involves the reaction of eggshell bio-waste as a source of calcium and ammonium dihydrogen orthophosphate as a phosphate source...
June 22, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28639252/ethnic-variations-in-serum-25-oh-d-levels-and-bone-ultrasound-attenuation-measurements-in-blacks-and-whites
#2
Rosario Sakamoto, D Thorpe, R Knutsen, L Beeson, S Knutsen
Vitamin D deficiency is more common in Blacks, yet Blacks have lower prevalence of bone fragility fractures or osteoporosis than Whites. Broadband ultrasound attenuation (BUA) has been used to explore the association between serum 25(OH)D levels and bone quality in White and non-white populations. We investigated serum 25(OH)D status with corresponding BUA measurements assessed cross sectionally in a cohort of 232 Blacks and 260 Whites, aged 30-95 years who were part of the calibration study of the large Adventist Health Study-2 (AHS-2)...
June 21, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28638681/efficacy-of-extracorporeal-shockwave-therapy-and-low-intensity-pulsed-ultrasound-in-a-rat-knee-osteoarthritis-model-a-randomized-controlled-trial
#3
Volkan Yılmaz, Ömer Karadaş, Taner Dandinoğlu, Ebru Umay, Aytül Çakçı, Arif Kenan Tan
OBJECTIVE: This study aims to assess the efficacy of extracorporeal shockwave therapy (ESWT) and low-intensity pulsed ultrasound (LIPUS) on osteoarthritic rat knees. MATERIAL AND METHODS: Twenty-four rats were divided into 3 groups: group 1-control (n=8), group 2-LIPUS (n=8) and group 3-ESWT (n=8). Cartilage degeneration was provided using mono-iodo-asetate (MIA). One milligram of MIA was delivered to the right knees in group 1 and both knees in group 2 and 3. A 0...
June 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28637991/low-intensity-pulsed-ultrasound-inhibits-lipopolysaccharide-induced-il-6-and-rankl-expression-in-osteoblasts
#4
Mayu Nagao, Natsuko Tanabe, Soichiro Manaka, Tadahiro Takayama, Takayuki Kawato, Go Torigoe, Jumpei Sekino, Naoya Tsukune, Manami Ozaki, Masao Maeno, Naoto Suzuki, Shuichi Sato
Periodontal disease is caused by inflammation induced by Porphyromonas gingivalis (P.g.) lipopolysaccharide (LPS) and involves expression of proinflammatory cytokines such as interleukin (IL)-1, IL-6, tumor necrosis factor-α, and receptor activator of nuclear factor kappa B ligand (RANKL), which are implicated in bone resorption. Low-intensity pulsed ultrasound (LIPUS) is commonly used in the treatment of bone fracture. However, the mechanisms by which LIPUS inhibits LPS-induced inflammatory cytokines are poorly understood...
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28634696/prominent-midfoot-involvement-in-children-with-enthesitis-related-arthritis-category-of-juvenile-idiopathic-arthritis
#5
Sanat Phatak, Namita Mohindra, Abhishek Zanwar, Amita Aggarwal
Foot involvement is common in juvenile idiopathic arthritis (JIA) but is often unrecognized and difficult to treat. This study was done to assess clinical and radiological involvement of the feet and its impact on function in Indian children with enthesitis-related arthritis (ERA). We enrolled consecutive children with ERA with disease duration of less than 5 years. All patients underwent clinical examination of the feet and filled the juvenile arthritis foot index (JAFI) questionnaire. Ultrasound (US) of foot joints and entheses and extremity magnetic resonance imaging (MRI) scan of one foot were done...
June 20, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28632668/low-intensity-pulsed-ultrasound-lipus-promotes-bmp9-induced-osteogenesis-and-suppresses-inflammatory-responses-in-human-periodontal-ligament-derived-stem-cells
#6
Joji Kusuyama, Toshiaki Nakamura, Tomokazu Ohnishi, Nahoko Eiraku, Kazuyuki Noguchi, Tetsuya Matsuguchi
OBJECTIVE: We previously reported that low intensity pulsed ultrasound (LIPUS) promotes marrow stromal cell (MSC) osteogenesis and suppresses the LPS-induced inflammatory response in osteoblasts. Here, we examined the effects of LIPUS on human periodontal ligament-derived stem cells (hPDLSCs) in chronic inflammatory bone disease, such as periodontitis. MATERIALS AND METHODS: hPDLSCs were collected from 3 healthy third molars. hPDLSCs were induced to differentiate by either recombinant BMP2 or BMP9 with or without daily LIPUS treatment (20 min/d)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632667/study-on-ultrasound-irradiation-induction-of-electrical-potentials-in-bone
#7
Mami Matsukawa, Sayaka Matsukawa
OBJECTIVE: It is well known that applied stress induces electrical potentials in bone. We have experimentally studied whether induced potentials could be found in bone using an ultrasound irradiation system similar to low-intensity pulsed ultrasound (LIPUS). MATERIALS AND METHODS: Circular plate specimens (diameter 10 mm, thickness 1 mm) were obtained from bovine femora in order to determine if bone behaved as a piezoelectric material. Using these specimens, ultrasound receivers were fabricated...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632666/change-in-calcaneal-bone-strength-in-long-term-care-residents-treated-with-low-intensity-pulsed-ultrasound
#8
Hiroyasu Okuizumi, Kiyoshi Koyano, Kazuya Kurosawa, Naoto Kamide, Ayako Soyano
OBJECTIVE: We examined the effect of low-intensity pulsed ultrasound (LIPUS) on bone strength in osteoporotic elderly residents. MATERIALS AND METHODS: This was a randomized controlled trial. Elderly residents with osteoporosis in a long-term care facility were treated with LIPUS (oscillation frequency 100 KHz) that involved treatment of the heel bone for 2 minutes a day. The selection of the treated heel was decided randomly with a personal computer. The heel bone mineral density before and after treatment was measured by calcaneal quantitative ultrasound (GE-1000 Express)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632665/effect-of-low-intensity-pulsed-ultrasound-on-bone-healing-at-osteotomy-sites-after-open-wedge-high-tibial-osteotomy
#9
Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Sintaro Iwai, Akira Nakanishi, Ken Ueoka
OBJECTIVE: The purpose of this study was to evaluate the effects of low-intensity pulsed ultrasound (LIPUS) on bone healing at osteotomy sites after open wedge high tibial osteotomy (OWHTO). MATERIALS AND METHODS: Twenty-six patients underwent OWHTO without bone grafting. Thirty cases treated with LIPUS (group L) after surgery were compared with 13 cases without LIPUS treatment (group C). We divided the osteotomy gap into the lateral hinge and 4 zones on anteroposterior radiography, and the progression of gap filling was evaluated at 1, 3, and 6 months post-operatively in both groups...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632664/outcome-of-low-intensity-pulsed-ultrasound-lipus-for-opening-wedge-high-tibial-osteotomy
#10
Ryusuke Saito, Tsuyoshi Nagase, Tomohiko Tateishi, Sadanori Shimizu, Takuya Kato, Teruhiko Nakagawa, Masamitsu Tsutiya
OBJECTIVE: Opening Wedge High Tibial Osteotomy (OWHTO) for knee osteoarthritis and for osteonecrosis has reported good results. Use of low intensity pulsed ultrasound (LIPUS) after OWHTO had become an option for the treatment of OWHTO since April 2016. The purpose of this study was to examine whether LIPUS has an accelerating effect on synostosis after OWHTO. MATERIALS AND METHODS: The control subjects were 24 patients with a total of 26 knees (9 male with knees and 15 female with 17 knees treated) treated with OWHTO only...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632663/an-examination-of-the-factors-related-to-a-reduction-in-the-use-of-low-intensity-pulsed-ultrasound-lipus
#11
Yoshiyasu Uchiyama, Takaaki Tateiwa, Daisuke Nakajima, Naoki Takatori, Masahiko Watanabe
OBJECTIVE: We examined the factors related to a reduction in the use of low-intensity pulsed ultrasound (LIPUS) for patients at both our hospital and other affiliated institutions. MATERIALS AND METHODS: Of 350 patients who used LIPUS at our and other affiliated institutions from May 2010 to April 2015, 279 (168 males, 111 females) were evaluated, after excluding mortalities and those with unexplained bone adhesion. Those patients with LIPUS compliance [calculated as: (number of days LIPUS was used/number of days LIPUS was available) × 100] below 80% were defined as the non-compliant group (170 patients), and those patients with a compliance rate of 80% or above were defined as the compliant group (109 patients)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632662/treatment-of-incomplete-jones-fractures-with-low-intensity-pulsed-ultrasound-lipus
#12
Tateishi Tomohiko, Tsuyoshi Nagase, Teruhiko Nakagawa, Tsuchiya Masamitsu
OBJECTIVE: Stress fractures of the proximal epiphysis of the fifth metatarsal bone (termed Jones fracture) frequently occur in both senior high-school-age and older contestant-level soccer players, and its incidence in Japanese soccer players is higher than that in European players. Surgery is most commonly indicated for a complete fracture, and about 3 months are required before the patient is able to return to the sport. We have performed a "Jones fracture screening" to reduce the incidence of these fractures...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632661/efficacy-and-limitations-of-conservative-treatment-for-painful-patella-partita-positioning-of-an-ultrasound-accelerated-fracture-healing-apparatus
#13
Natsuki Sugimura, Daisuke Hirose, Koji Aso, Masashi Izumi, Yusuke Okanoue, Kazuo Kitaoka, Masahiko Ikeuchi
OBJECTIVE: Generally, painful patella partita is conservatively treated, but the usefulness of a low-intensity pulsed ultrasound (LIPUS) healing apparatus is unclear. The objective of this study was to investigate the usefulness of LIPUS for conservative treatment of painful patella partita. SUBJECTS AND METHODS: The subjects included 17 patients diagnosed with painful patella partita. The subjects were divided into 2 groups: those without pain at 6 months (responsive group) and those with pain that persisted for 6 months or longer (non-responsive group)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632660/clinical-experience-with-the-use-of-low-intensity-pulsed-ultrasound-lipus-in-the-treatment-of-atypical-femoral-fractures
#14
Sang Yang Lee, Takahiro Niikura, Takashi Iwakura, Tomoaki Fukui, Ryosuke Kuroda
OBJECTIVE: The aim of this study was to report the clinical results of atypical femoral fractures (AFFs) treated with low-intensity pulsed ultrasound (LIPUS). MATERIALS AND METHODS: The data on AFFs that were surgically treated in our hospital from 2010 to 2016 was retrospectively analyzed. AFF was diagnosed based on the criteria defined by the second report of an ASBMR task force. RESULTS: Seven fractures in 6 cases were included in this study...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28629092/binary-functional-porous-multi-mineral-substituted-apatite-nanoparticles-for-reducing-osteosarcoma-colonization-and-enhancing-osteoblast-cell-proliferation
#15
Dharman Govindaraj, Chandramohan Govindasamy, Mariappan Rajan
We investigated the use of combined nanoparticles in bone replacement for patients with bone cancer. Bismuth (Bi) is known to have antitumor effects, and the inclusion of Bi in bioactive mineral (M)-substituted hydroxyapatite (M-HAP) may provide anti-cancer properties implant resources. A series of Bi-substituted M-HAP (Bi-M-HAP) nanoparticles with various Bi concentrations was synthesized via the ultrasound irradiation method. The nanoparticles were examined using physicochemical strategies. The cell-substance interface of the nanoparticles was observed in vitro with human osteosarcoma cells and cell multiplication was measured at 1, 3, and 7days of incubation and in vivo in rats after 3weeks of implantation...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28627197/dietary-antioxidant-quality-score-daqs-is-associated-with-bone-mass-assessed-by-calcaneal-quantitative-ultrasound-in-young-women
#16
María Correa Rodríguez, Jacqueline Schmidt-RioValle, Blanca Rueda-Medina
INTRODUCTION: Evidence suggests that intake of antioxidants could positively influence bone mass by preventing bone metabolism against oxidative stress. OBJECTIVE: We aimed to investigate the possible influence of single antioxidant intakes and dietary antioxidant quality score (DAQs) on calcaneal quantitative ultrasound (QUS) in a population of young adults. METHODS: A total of 605 young Spanish adults participated in this study (median age 20...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28625128/the-wnt-%C3%AE-catenin-signalling-pathway-inhibitor-sclerostin-is-a-biomarker-for-early-atherosclerosis-in-obesity
#17
Djordje S Popovic, Milena Mitrovic, Dragana Tomic-Naglic, Tijana Icin, Ivana Bajkin, Bojan Vukovic, Damir Benc, Zeljko Zivanovic, Branka Kovacev-Zavisic, Edita Stokic
BACKGROUND: Sclerostin is an inhibitor of the wingless-type mouse mammary tumor virus integration site family/β-catenin signalling pathway (WβcSP), which plays an important role in bone metabolism and in vascular biology. It could act protective regarding atherosclerosis development through its effect on WβcSP in vascular cells. Nevertheless, results of studies analyzing association between circulating sclerostin level (CSL) and atherosclerotic diseases (AD) are showing conflicting results...
June 18, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28621452/osteogenic-commitment-and-differentiation-of-human-mesenchymal-stem-cells-by-low-intensity-pulsed-ultrasound-stimulation
#18
Viviana Costa, Valeria Carina, Simona Fontana, Angela De Luca, Francesca Monteleone, Stefania Pagani, Maria Sartori, Stefania Setti, Cesare Faldini, Riccardo Alessandro, Milena Fini, Gianluca Giavaresi
Low-intensity pulsed ultrasound (LIPUS) as an adjuvant therapy in in vitro and in vivo bone engineering has proven to be extremely useful. The present study aimed at investigating the effect of 30 mW/cm(2) LIPUS stimulation on commercially available human mesenchymal stem cells (hMSCs) cultured in basal or osteogenic medium at different experimental time points (7d, 14d, 21d). The hypothesis was that LIPUS would improve the osteogenic differentiation of hMSC and guarantying the maintenance of osteogenic committed fraction, as demonstrated by cell vitality and proteomic analysis...
June 16, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28618821/low-intensity-ultrasound-activates-vestibular-otolith-organs-through-acoustic-radiation-force
#19
M M Iversen, D A Christensen, D L Parker, H A Holman, J Chen, M J Frerck, R D Rabbitt
The present study examined the efficacy of 5 MHz low-intensity focused ultrasound (LiFU) as a stimulus to remotely activate inner ear vestibular otolith organs. The otolith organs are the primary sensory apparati responsible for detecting orientation of the head relative to gravity and linear acceleration in three-dimensional space. These organs also respond to loud sounds and vibration of the temporal bone. The oyster toadfish, Opsanus tau, was used to facilitate unobstructed acoustic access to the otolith organs in vivo...
June 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28615966/acute-physiological-and-electrical-accentuation-of-vagal-tone-has-no-effect-on-pain-or-gastrointestinal-motility-in-chronic-pancreatitis
#20
Jacob Juel, Christina Brock, Søren S Olesen, Adnan Madzak, Adam D Farmer, Qasim Aziz, Jens B Frøkjær, Asbjørn Mohr Drewes
BACKGROUND: The effective management of pain in chronic pancreatitis (CP) remains a therapeutic challenge. Analgesic drugs, such as opioids, and the underlying pathology can impair gut function. The autonomic nervous system influences hormone secretion and gut motility. In healthy volunteers, electrical (using noninvasive transcutaneous vagal nerve stimulation [t-VNS]) and physiological (using deep slow breathing [DSB]) modulation of parasympathetic tone results in pain attenuation and enhanced gut motility...
2017: Journal of Pain Research
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