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Morad Chughtai, John J Kelly, Jared M Newman, Assem A Sultan, Anton Khlopas, Nipun Sodhi, Anil Bhave, Michael C Kolczun, Michael A Mont
This study evaluated the use of telerehabilitation during the postoperative period for patients who underwent total knee arthroplasty (TKA) or unicompartmental knee arthroplasty (UKA). Specifically, this study evaluated the following: (1) patient compliance and adherence to the program, (2) time spent performing physical therapy exercises, (3) the usability of the virtual rehabilitation platform, and (4) clinical outcome scores in a selected primary knee arthroplasty cohort. A total of 157 consecutive patients underwent TKA ( n  = 18) or UKA ( n  = 139)...
March 16, 2018: Journal of Knee Surgery
Christopher D Witiw, Fabrice Smieliauskas, John E O'Toole, Michael G Fehlings, Richard G Fessler
BACKGROUND: Surgery for cervical radiculopathy is often approached by either anterior cervical discectomy and fusion (ACDF) or posterior cervical foraminotomy (PCF). ACDF is more common; however, recent single center studies suggest comparable efficacy and significant cost savings with PCF in appropriately selected patients. OBJECTIVE: To compare utilization, adverse events, and costs for each approach from a national perspective. METHODS: Adults undergoing single level ACDF or PCF for cervical radiculopathy were included from a US commercial health insurance claims database spanning 2003 to 2014...
March 14, 2018: Neurosurgery
J Michael Dickson, Xu Wang, Alexander E St John, Esther B Lim, Susan A Stern, Nathan J White
Introduction: Traumatic brain injury (TBI) and hemorrhagic shock (HS) are the leading causes of traumatic death worldwide and particularly on the battlefield. They are especially challenging when present simultaneously (polytrauma), and clear blood pressure end points during fluid resuscitation are not well described for this situation. The goal of this study is to evaluate for any benefit of increasing blood pressure using a vasopressor on brain blood flow during initial fluid resuscitation in a swine polytrauma model...
March 14, 2018: Military Medicine
Eric B Elbogen, H Ryan Wagner, Mira Brancu, Nathan A Kimbrel, Jennifer C Naylor, Cindy M Swinkels, John A Fairbank
Introduction: In response to a strong focus on suicide prevention for all veterans, the Department of Veterans Affairs (VA) recently revised policy to provide emergency mental healthcare for veterans who received Other Than Honorable (OTH) discharges from the military. This current study takes a preliminary step toward identifying demographic, historic, military, clinical, and social characteristics of veterans with OTH discharges. Materials and Methods: N = 1,172 Iraq/Afghanistan-era veterans were evaluated between 2005 and 2016 in the multi-site VA Mid-Atlantic Mental Illness, Research, Education and Clinical Center (MIRECC) Study of Post-Deployment Mental Health (PDMH Study)...
March 14, 2018: Military Medicine
Douglas P Beall, M R Chambers, Sam Thomas, John Amburgy, James R Webb, Bradly S Goodman, Devin K Datta, Richard W Easton, Douglas Linville, Sanjay Talati, John B Tillman
BACKGROUND: Osteoporotic and neoplastic vertebral compression fractures (VCF) are common and painful, threatening quality of life and increasing risk of morbidity and mortality. Balloon kyphoplasty is a percutaneous option for treating painful cancer- and osteoporosis-related VCFs, supported by 2 randomized trials demonstrating efficacy benefits of BKP over nonsurgical care. OBJECTIVE: To investigate 12-mo disability, quality of life, and safety outcomes specifically in a Medicare-eligible population, representing characteristic patients seen in routine clinical practice...
March 14, 2018: Neurosurgery
Robert Foerster, B C John Cho, Daniel K Fahim, Peter C Gerszten, John C Flickinger, Inga S Grills, Maha S Jawad, C Ronald Kersh, Daniel Létourneau, Frederick Mantel, Arjun Sahgal, John H Shin, Brian A Winey, Matthias Guckenberger
BACKGROUND: Stereotactic body radiotherapy (SBRT) of the spine provides superior tumor control, but vertebral compression fractures are increased and the pathophysiological process underneath is not well understood. Data on histopathological changes, particularly after salvage SBRT (sSBRT) following conventional irradiation, are scarce. OBJECTIVE: To investigate surgical specimens after sSBRT and primary SBRT (pSBRT) regarding histopathological changes. METHODS: We assessed 704 patients treated with spine SBRT 2006 to 2012...
March 14, 2018: Neurosurgery
Yue Guo, Renyi Wu, John M Gaspar, Davit Sargsyan, Zheng-Yuan Su, Chengyue Zhang, Linbo Gao, David Cheng, Wenji Li, Chao Wang, Ran Yin, Mingzhu Fang, Michael P Verzi, Ronald P Hart, Ah-Ng Kong
Inflammation is highly associated with colon carcinogenesis. Epigenetic mechanisms could play an important role in the initiation and progression of colon cancer. Curcumin, a dietary phytochemical, shows promising effects in suppressing colitis-associated colon cancer in AOM-DSS mice. However, the potential epigenetic mechanisms of curcumin in colon cancer remain unknown. In this study, the anti-cancer effect of curcumin in suppressing colon cancer in an 18-week AOM-DSS colon cancer mouse model was confirmed...
March 14, 2018: Carcinogenesis
Malgorzata A Gazda, Pedro Andrade, Sandra Afonso, Jolita Dilyte, John P Archer, Ricardo J Lopes, Rui Faria, Miguel Carneiro
Racing pigeons have been selectively bred to find their way home quickly over what are often extremely long distances. This breed is of substantial commercial value and is also an excellent avian model to gain empirical insights into the evolution of traits associated with flying performance and spatial orientation. Here, we investigate the molecular basis of the superior athletic and navigational capabilities of racing pigeons using whole-genome and RNA sequencing data. We inferred multiple signatures of positive selection distributed across the genome of racing pigeons...
March 13, 2018: Molecular Biology and Evolution
S Hasan Arshad, John W Holloway, Wilfried Karmaus, Hongmei Zhang, Susan Ewart, Linda Mansfield, Sharon Matthews, Claire Hodgekiss, Graham Roberts, Ramesh Kurukulaaratchy
No abstract text is available yet for this article.
March 14, 2018: International Journal of Epidemiology
Christine A DeForest, Virginia Blackman, John E Alex, Lauren Reeves, Alejandra Mora, Crystal Perez, Joseph Maddry, Domenique Selby, Benjamin Walrath
Introduction: Military prehospital and en route care (ERC) directly impacts patient morbidity and mortality. Provider knowledge and skills are critical variables in the effectiveness of ERC. No Navy doctrine defines provider choice for patient transport or requires standardized provider training. Frequently, Search and Rescue Medical Technicians (SMTs) and Navy Nurses (ERC RNs) are tasked with this mission though physicians have also been used. Navy ERC provider training varies greatly by professional role...
March 14, 2018: Military Medicine
Ceana H Nezhat, Samantha Pfeifer, Bala Bhagavath, Steven R Lindheim, John C Petrozza, Peter T K Chan, Steven F Palter
No abstract text is available yet for this article.
March 14, 2018: American Journal of Epidemiology
Uzochukwu C Ugochukwu, Alfred Ochonogor, Chika M Jidere, Chizoba Agu, Frida Nkoloagu, John Ewoh, Virginia U Okwu-Delunzu
In this study, the human and livestock (cattle) health risks of exposure to polycyclic aromatic hydrocarbons (PAHs) in a wetland of Obuaku, Abia State Nigeria contaminated by hydrocarbon spill due to incidents of hydrocarbon theft and pipeline vandalization were assessed. Gas chromatography-flame ionization detector and gas chromatography-mass spectrometry were employed in analyzing the TPH and PAHs respectively. The contaminated soil was delineated into sub-locations AOC-1, AOC-2, AOC-3, AOC-4, AOC-5 and AOC-6 to reflect the discrete patches (areas) of the contaminated site and for effective planning of remedial actions...
March 13, 2018: Environment International
Bin Hua, John Yang, Fengjing Liu, Guocheng Zhu, Baolin Deng, Jingdong Mao
Characterization of dissolved organic matter/nitrogen (DOM/DON) is critical in water quality assessment and nutrient management in watershed or ecosystem. This study was to investigate the link between DOM/DON and its source using fluorescence excitation-emission matrix (EEM) spectroscopy coupled with parallel factor analysis (PARAFAC). Water samples were collected from various aquatic systems in a watershed located in central Missouri, including rural watershed with various land use and land cover (LULC), landfill, and constructed wetland...
March 6, 2018: Chemosphere
Melanie Birks, John Smithson, Janene Antney, Lin Zhao, Camilla Burkot
BACKGROUND: Universities' responsibility to ensure academic integrity is frustrated by software and communication tools that facilitate content reuse coupled with a growing international essay writing economy. A wide range of behaviours constitute academic dishonesty and while a complex phenomenon to examine, existing evidence suggests that there is sufficient proliferation (both in volume and variety) of these behaviours among Australian university students to warrant concern. This proliferation presents faculty and staff with new challenges in ensuring academic integrity...
March 2, 2018: Nurse Education Today
Stephen McGhee, Constance Visovsky, John M Clochesy, Alan Finnegan
No abstract text is available yet for this article.
March 10, 2018: Nurse Education Today
Gillian A Ryan, Sarah M Nicholson, John J Morrison
Vaginal birth after caesarean (VBAC) delivery remains a controversial topic, and one for which there is a lack of robust data to guide clinicians and parturients regarding their best option for mode of delivery in a subsequent pregnancy. In many developed countries the trend observed in recent years is that of progressively reduced VBAC rates, and hence increased use of elective repeat caesarean section (ERCS). This factor has contributed, more than any other, to the disproportionately high caesarean section (CS) rates in many countries...
March 7, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Alexandra M V Wennberg, Clinton E Hagen, Mary M Machulda, John H Hollman, Rosebud O Roberts, David S Knopman, Ronald C Petersen, Michelle M Mielke
Levels of insulin-like growth factor (IGF)-1, IGF-binding protein (IGFBP)-3, and their ratio in the blood may be useful for monitoring those at risk of cognitive and functional decline. However, the association between IGF measures and functional and cognitive outcomes has been mixed, and the associations may vary by sex. The present study investigated the cross-sectional, sex-specific associations between serum measures total IGF-1, IGFBP-3, and the IGF-1/IGFBP-3 ratio, gait speed, and cognition in 1320 cognitively unimpaired participants aged 50-95 years enrolled in the Mayo Clinic Study of Aging...
February 19, 2018: Neurobiology of Aging
John Gunderson, Sara Masland, Lois Choi-Kain
Borderline personality disorder (BPD) has moved from being an untreatable disorder to a disorder with multiple evidence-based psychotherapies. When a second generation of research showed that less intensive, easier-to-learn therapies could be nearly as effective, they offered an approach that would be responsive to the persisting unmet needs of these patients. This paper describes good psychiatric management (GPM), a once-weekly, generalist model that medicalizes the disorder, emphasizes psychoeducation, and focuses on social adaptation...
January 5, 2018: Current Opinion in Psychology
Rachel M Speer, Catherine F Wise, Jamie L Young, AbouEl-Makarim Aboueissa, Mark Martin Bras, Mike Barandiaran, Erick Bermúdez, Lirio Márquez-D'Acunti, John Pierce Wise
Hexavalent chromium [Cr(VI)] is a marine pollution of concern as recent studies show it has a global distribution, with some regions showing high Cr concentrations in marine animal tissue, and it is extensively used. Leatherback sea turtles (Dermochelys coriacea) are an endangered marine species that may experience prolonged exposures to environmental contaminants including Cr(VI). Human activities have led to global Cr(VI) contamination of the marine environment. While Cr(VI) has been identified as a known human carcinogen, the health effects in marine species are poorly understood...
March 4, 2018: Aquatic Toxicology
Aloma L D'Souza, John R Chevillet, Pejman Ghanouni, Xinrui Yan, Muneesh Tewari, Sanjiv S Gambhir
We have previously shown that low frequency ultrasound can release biomarkers from cells into the murine circulation enabling an amplification and localization of the released biomarker that could be used as a blood-based method to detect cancer earlier and monitor therapy. In this study, we further demonstrate that this technique could be used for characterization of tumors and/or identification of cellular masses of unknown origin due to the release of multiple protein and nucleic acid biomarkers in cells in culture, mice and patients...
2018: PloS One
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