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https://www.readbyqxmd.com/read/28329330/three-port-one-incision-plus-two-port-endoscopic-mitral-valve-surgery-without-robotic-assistance%C3%A2
#1
Toshiaki Ito, Atsuo Maekawa, Satoshi Hoshino, Yasunari Hayashi, Sadanari Sawaki, Junji Yanagisawa, Masayoshi Tokoro
OBJECTIVES: Totally endoscopic minimally invasive mitral valve surgery (MIMVS) is technically demanding and often performed with robotic assistance. We hypothesized that three-port video-assisted thoracic surgery (VATS) would facilitate endoscopic MIMVS and evaluated its feasibility and safety. METHODS: From October 2010 to June 2016, we performed first-time MIMVS in 250 consecutive patients (122 male), with median age of 65 years (54-73 years, 25-75 percentile)...
March 17, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28328731/association-of-ipsilateral-rib-fractures-with-displacement-of-midshaft-clavicle-fractures
#2
Daniel Stahl, Matthew Ellington, Kindyle Brennan, Michael Brennan
OBJECTIVES: To determine whether the presence of ipsilateral rib fractures affects the rate of a clavicle fracture being unstable (>100% displacement). DESIGN: A retrospective review from 2002-2013 performed at a single level 1 trauma center evaluated 243 midshaft clavicle fractures. SETTING: Single Level 1 trauma center. PATIENTS/PARTICIPANTS: These fractures were subdivided into those with ipsilateral rib fractures (CIR; n = 149) and those without ipsilateral rib fractures (CnIR; n = 94)...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28328563/patients-without-intraoperative-neuromonitoring-ionm-alerts-during-veptr-implantation-did-not-sustain-neurological-injury-during-subsequent-routine-expansions-a-retrospective-multicenter-cohort-study
#3
Jaren LaGreca, Tara Flynn, Patrick J Cahill, Amer Samdani, Michael G Vitale, Ron El-Hawary, John T Smith, Jonathan H Phillips, John M Flynn, Michael Glotzbecker, Sumeet Garg
BACKGROUND: The purpose of this study was to determine the rate of intraoperative neurological monitoring (IONM) alerts and neurological injury during vertical expandable prosthetic titanium rib (VEPTR) treatment and evaluate the utility of IONM during VEPTR expansion procedures in patients who have not previously had neurological injury or IONM alerts. METHODS: After institutional review board approval, VEPTR procedures and IONM records were reviewed at 17 institutions for patients treated with VEPTR from 2005 to 2011...
March 21, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28328505/blocked-elements-in-1-d-and-2-d-arrays-part-ii-compensation-methods-as-applied-to-large-coherent-apertures
#4
Marko Jakovljevic, Nick Bottenus, Lily Kuo, Shalki Kumar, Jeremy J Dahl, Gregg E Trahey
In Part I of the paper, we detected elements blocked by ribs during simulated and in vivo transcostal liver scans, and we turned those elements off to compensate for the loss in visibility of liver vasculature. Here, we apply blocked-element detection and adaptive compensation to large synthetic aperture data collected through rib samples ex vivo, in order to reduce near-field clutter and to recover lateral resolution. To construct large synthetic transmit and receive apertures, we collected the individual channel signals from a fully-sampled matrix array at multiple and know array locations across the tissue samples...
March 16, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28328504/blocked-elements-in-1-d-and-2-d-arrays-part-i-detection-and-basic-compensation-on-simulated-and-i-in-vivo-i-targets
#5
Marko Jakovljevic, Gianmarco Pinton, Jeremy J Dahl, Gregg Trahey
During a transcostal ultrasound scan, ribs and other highly attenuating and/or reflective tissue structures can block parts of the array. Blocked elements tend to limit the acoustic window and impede visualization of structures of interest. Here, we demonstrate a method to detect blocked elements and we measure the loss of image quality they introduce in simulation and in vivo. We utilize a fullwave simulation tool and a clinical ultrasound scanner to obtain element signals from fullysampled matrix arrays during simulated and in vivo transcostal liver scans, respectively...
March 16, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28327634/scleraxis-is-required-for-maturation-of-tissue-domains-for-proper-integration-of-the-musculoskeletal-system
#6
Yuki Yoshimoto, Aki Takimoto, Hitomi Watanabe, Yuji Hiraki, Gen Kondoh, Chisa Shukunami
Scleraxis (Scx) is a basic helix-loop-helix transcription factor that is expressed persistently in tendons/ligaments, but transiently in entheseal cartilage. In this study, we generated a novel Scx(Cre) knock-in (KI) allele, by in-frame replacement of most of Scx exon 1 with Cre recombinase (Cre), to drive Cre expression using Scx promoter and to inactivate the endogenous Scx. Reflecting the intensity and duration of endogenous expression, Cre-mediated excision occurs in tendinous and ligamentous tissues persistently expressing Scx...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28324870/effects-of-long-spray-chilling-on-water-pocket-development-in-ribeyes
#7
A S de Mello, T P Ringkob, Y Yeh
Water Pocket (WP) is a defect on beef that may lead to significant economic losses. Our hypothesis is that longer spray-chilling time increases WP incidence on ribeyes (M. longissimus thoracis). Ribeyes (28,801) were visually evaluated for the presence of WP after 24 or 72h of spray chilling. Additionally, 252 beef sides were evaluated prior to chilling to predict WP development after 24h of spray chilling. Also, the 12th rib fat thickness was measured on 313 sides and the sides were assigned to two categories of WP or no WP to evaluate fat thickness as an indicator for WP...
March 11, 2017: Meat Science
https://www.readbyqxmd.com/read/28321095/primary-adrenal-diffuse-large-b-cell-lymphoma-positive-for-cd5-and-cd10
#8
Yoshikazu Yamamoto, Yuichi Sumii, Yutaro Shiraishi, Kazuhiro Ikeuchi, Haruto Yamada, Daigo Niiya, Yasuhiro Shiote, Kazuhiko Yamamoto, Kenji Imajo
A 69-year-old man presented with back pain over the prior few months and was hospitalized because of bilateral adrenal masses and fracture of the left sixth rib. The mass on the right measured 6.5×3.6×7.0 cm, that on the left 8.1×4.8×6.9 cm, on CT. The final diagnosis was CD5- and CD10-positive primary adrenal diffuse large B-cell lymphoma (PA-DLBCL) with rib involvement. After EPOCH therapy accompanied with rituximab and intrathecal treatment, the tumors decreased dramatically. However, he died due to disease progression 8 months after the diagnosis...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28321070/primary-malignant-lymphoma-originating-from-the-chest-wall-without-preceding-pleural-disease
#9
Yumi Iwasa, Asuka Okada, Hideaki Takenaka, Terukazu Takahashi, Nobuo Koguchi, Kumiko Katayama, Shinsuke Murakami, Sumito Choh, Koichi Tomoda, Hiroshi Kimura
An 84-year-old woman presented to our hospital with dyspnea on exertion and left back pain. Chest X-ray and chest computed tomography (CT) revealed an irregular pleural mass invading her left chest wall with rib destruction and pleural effusion. CT-guided needle biopsy revealed diffuse large B-cell lymphoma. Low-dose oral etoposide produced a complete response, and she continued oral chemotherapy for one year after the diagnosis and maintained good performance status. We herein report a very rare case of non-pyothorax-associated lymphoma that nonetheless resulted in great recovery...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28318055/menkes-disease-mimicking-child-abuse
#10
Rebecca J Droms, Jillian F Rork, Riley McLean, Madelena Martin, Leah Belazarian, Karen Wiss
Althouygh Menkes disease has well-recognized neurologic, developmental, and cutaneous features, the initial presentation may resemble child abuse. We describe a 5-month-old boy with multiple fractures indicative of nonaccidental trauma who was ultimately diagnosed with Menkes disease. Copper deficiency leads to connective tissue abnormalities and may result in subdural hematomas, wormian bones, cervical spine defects, rib fractures, and spurring of the long bone metaphyses. Several of these findings, including fractures and subdural hematomas, may be misinterpreted as child abuse...
March 20, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28315917/a-pediatric-hypophosphatemic-rickets-on-mri-99m-tc-mdp-bone-scan-and-18-f-fdg-pet-ct
#11
Changyun Xu, Chao Ma, Yongli Bai
We present a case of a 13 years old boy who was hospitalized with a 10 months history of progressive pain and weakness in his lower extremities. The laboratory tests revealed slightly decreased phosphate and 25-hydroxyvitamin D3, high alkaline phosphatase, normal calcium and parathyroid hormone (PTH). Magnetic resonance imaging (MRI) showed multiple patchy lesions indicating bone destruction in the metaphyses and epiphyses of the left knee. Fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) revealed a generalized decrease of bone density in axial bones with slightly increased (18)F-FDG metabolism...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315045/late-onset-chest-wall-abscess-due-to-a-biodegradable-rib-pin-infection-after-lung-transplantation
#12
Yasufumi Goda, Toyofumi F Chen-Yoshikawa, Masaaki Kusunose, Masatsugu Hamaji, Hideki Motoyama, Kyoko Hijiya, Akihiro Aoyama, Hiroshi Date
A 55-year-old man with end-stage emphysema underwent a right single-lung transplantation through a posterolateral thoracotomy. The fifth rib was divided and fused back using a biodegradable pin made of polylactide acid and hydroxyapatite. Two weeks postoperatively, he suffered from central vein catheter-related sepsis due to methicillin-sensitive Staphylococcus aureus. After being successfully treated for sepsis, he was discharged. However, 3 months later, computed tomography revealed multiple loculated abscesses in the chest wall and the right pleural space...
March 17, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28303067/intraspinal-meningioma-with-malignant-transformation-and-distant-metastasis
#13
Kenyu Ito, Shiro Imagama, Kei Ando, Kazuyoshi Kobayashi, Yoji Shido, Yoshida Go, Hideyuki Arima, Shunsuke Kanbara, Takanori Hirose, Yukihiro Matsuyama, Yoshihiro Nishida, Naoki Ishiguro
Meningioma is typically considered to be a benign tumor. Malignant transformation and metastasis of meningiomas are rare. Moreover, most meningiomas are intracranial, and there are few reports on intraspinal meningiomas. This report aimed to describe the clinical features and pathological findings of a case of malignant transformation and distant metastasis of intraspinal meningioma, with a review of the literature. A 44-year-old man with a bilateral lower limb paresis was diagnosed with an intradural extramedullary tumor of the thoracic spine...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28297341/assessment-of-monte-carlo-algorithm-for-compliance-with-rtog-0915-dosimetric-criteria-in-peripheral-lung-cancer-patients-treated-with-stereotactic-body-radiotherapy
#14
Damodar Pokhrel, Sumit Sood, Rajeev Badkul, Hongyu Jiang, Christopher McClinton, Christopher Lominska, Parvesh Kumar, Fen Wang
The purpose of the study was to evaluate Monte Carlo-generated dose distributions with the X-ray Voxel Monte Carlo (XVMC) algorithm in the treatment of peripheral lung cancer patients using stereotactic body radiotherapy (SBRT) with non-protocol dose-volume normalization and to assess plan outcomes utilizing RTOG 0915 dosimetric compliance criteria. The Radiation Therapy Oncology Group (RTOG) protocols for non-small cell lung cancer (NSCLC) currently require radiation dose to be calculated using tissue density heterogeneity corrections...
May 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28295891/molecular-serotyping-virulence-gene-profiling-and-pathogenicity-of-streptococcus-agalactiae-isolated-from-tilapia-farms-in-thailand-by-multiplex-pcr
#15
Korntip Kannika, Duangjai Pisuttharachai, Prapansak Srisapoome, Janenuj Wongtavatchai, Hidehiro Kondo, Ikuo Hirono, Sasimanas Unajak, Nontawith Areechon
AIMS: This study aimed to biotype Streptococcus agalactiae isolated from tilapia farms in Thailand based on molecular biotyping methods and to determine the correlation between the serotype and virulence of bacteria. In addition to a biotyping (serotyping) technique based on multiplex PCR of cps genes, in this study, we developed multiplex PCR typing of Group B streptococcus (GBS) virulence genes to examine 3 clusters of virulence genes and their correlation to the pathogenicity of S...
March 13, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28291768/case-report-of-serratus-plane-catheter-for-pain-management-in-a-patient-with-multiple-rib-fractures-and-an-inferior-scapular-fracture
#16
Peter Fu, Paul D Weyker, Christopher A J Webb
We placed a superficial serratus anterior plane catheter in an elderly woman with dementia and elevated clotting times who presented with multiple rib fractures after a mechanical fall. She was not a surgical candidate, and treatment consisted of conservative management with physical therapy and pain control. She was not a candidate for a patient-controlled analgesia regimen because of her dementia. Given her elevated international normalized ratio, thoracic epidural and paravertebral analgesia was also contraindicated...
March 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28290239/an-innovative-design-for-cardiopulmonary-resuscitation-manikins-based-on-a-human-like-thorax-and-embedded-flow-sensors
#17
Mark Thielen, Rohan Joshi, Frank Delbressine, Sidarto Bambang Oetomo, Loe Feijs
Cardiopulmonary resuscitation manikins are used for training personnel in performing cardiopulmonary resuscitation. State-of-the-art cardiopulmonary resuscitation manikins are still anatomically and physiologically low-fidelity designs. The aim of this research was to design a manikin that offers high anatomical and physiological fidelity and has a cardiac and respiratory system along with integrated flow sensors to monitor cardiac output and air displacement in response to cardiopulmonary resuscitation. This manikin was designed in accordance with anatomical dimensions using a polyoxymethylene rib cage connected to a vertebral column from an anatomical female model...
March 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28289485/pneurip-tm-a-novel-respiratory-inductance-plethysmography-monitor
#18
Tariq Rahman, Ralph Page, Christopher Page, Jean-Remy Bonnefoy, Tim Cox, Thomas H Shaffer
Objective pulmonary function (PF) evaluation is essential for the diagnosis, monitoring, and management of many pediatric respiratory diseases as seen in the emergency room, intensive care, and outpatient settings. In this paper, the development and testing of a new noninvasive PF instrument, pneuRIP(TM), which utilizes respiratory inductance plethysmography (RIP) are discussed. The pneuRIP(TM) hardware includes a small circuit board that connects to the RIP bands and measures and wirelessly transmits the band inductance data to any designated wirelessly connected tablet...
March 2017: Journal of Medical Devices
https://www.readbyqxmd.com/read/28286249/immediate-effects-of-respiratory-muscle-stretching-on-chest-wall-kinematics-and-electromyography-in-copd-patients
#19
Rafaela Barros de Sá, Maíra Florentino Pessoa, Ana Gabriela Leal Cavalcanti, Shirley Lima Campos, César Amorim, Armèle Dornelas de Andrade
This study evaluated the immediate effects of respiratory muscle stretching on chest wall kinematics and electromyographic activity in COPD patients. 28 patients with COPD were randomized into two groups: 14 to the treatment group (TG) and 14 to the control group (CG). The TG underwent a stretching protocol of the rib cage muscles, while the CG remained at rest under similar conditions. After a single session, TG increased the tidal volume of the pulmonary rib cage (Vrcp) (p=0.020) and tidal volume of abdominal rib cage (Vrca) (p=0...
March 10, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28284122/the-importance-of-bmi-in-dosimetry-of-153-sm-edtmp-bone-pain-palliation-therapy-a-monte-carlo-study
#20
Maryam Fallahpoor, Mehrshad Abbasi, Ali Asghar Parach, Faraz Kalantari
Using digital phantoms as an atlas compared to acquiring CT data for internal radionuclide dosimetry decreases patient overall radiation dose and reduces the required analysis effort and time for organ segmentation. The drawback is that the phantom may not match exactly with the patient. We assessed the effect of varying BMIs on dosimetry results for a bone pain palliation agent, (153)Sm-EDTMP. The simulation was done using the GATE Monte Carlo code. Female XCAT phantoms with the following different BMIs were employed: 18...
February 28, 2017: Applied Radiation and Isotopes
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