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Brian injury

Carey L Holleran, Patrick W Hennessey, Abigail L Leddy, Gordhan B Mahtani, Gabrielle Brazg, Brian D Schmit, T George Hornby
BACKGROUND AND PURPOSE: Previous data suggest that large amounts of high-intensity stepping training in variable contexts (tasks and environments) may improve locomotor function, aerobic capacity, and treadmill gait kinematics in individuals poststroke. Whether similar training strategies are tolerated and efficacious for patients with other acute-onset neurological diagnoses, such as motor incomplete spinal cord injury (iSCI), is unknown. Individuals with iSCI potentially have greater bilateral impairments...
April 2018: Journal of Neurologic Physical Therapy: JNPT
SeungHwan Lee, Xiang Qun Shi, Anni Fan, Brian West, Ji Zhang
Introduction Neuropathic pain is a debilitating condition. The importance of neuroimmune interactions in neuropathic pain has been evidenced by the involvement of different immune cells in peripheral and central sensitization of pathological pain. Macrophages and microglia are the most abundant immune cells activated in injured nerves and spinal cord, respectively. Several lines of evidence showed that macrophage/microglia survival, activation, proliferation, and differentiation require the involvement of macrophage-colony stimulating factor...
January 2018: Molecular Pain
Rasa Tamosiuniene, Olga Manouvakhova, Paul Mesange, Toshie Saito, Jin Qian, Mrinmoy Sanyal, Yu-Chun Lin, Linh P Nguyen, Amir Luria, Allen B Tu, Joshua M Sante, Marlene Rabinovitch, Desmond J Fitzgerald, Brian B Graham, Aida Habtezion, Norbert F Voelkel, Laure Aurelian, Mark R Nicolls
<u>Rationale:</u> Pulmonary arterial hypertension (PH) is a life-threatening condition associated with immune dysregulation and abnormal regulatory T cell (Treg) activity, but it is currently unknown whether and how abnormal Treg function differentially affects males and females. <u>Objective:</u> To evaluate whether and how Treg-deficiency differentially affects male and female rats in experimental PH. <u>Methods and Results:</u> Male and female athymic rnu/rnu rats, lacking Tregs, were treated with the vascular endothelial growth factor receptor-2 (VEGFR2) inhibitor SU5416 or chronic hypoxia and evaluated for PH; some animals underwent Treg immune reconstitution (IR) before SU5416 administration...
March 15, 2018: Circulation Research
Kurt P Spindler, Laura J Huston, Kevin M Chagin, Michael W Kattan, Emily K Reinke, Annunziato Amendola, Jack T Andrish, Robert H Brophy, Charles L Cox, Warren R Dunn, David C Flanigan, Morgan H Jones, Christopher C Kaeding, Robert A Magnussen, Robert G Marx, Matthew J Matava, Eric C McCarty, Richard D Parker, Angela D Pedroza, Armando F Vidal, Michelle L Wolcott, Brian R Wolf, Rick W Wright
BACKGROUND: The long-term prognosis and risk factors for quality of life and disability after anterior cruciate ligament (ACL) reconstruction remain unknown. Hypothesis/Purpose: Our objective was to identify patient-reported outcomes and patient-specific risk factors from a large prospective cohort at a minimum 10-year follow-up after ACL reconstruction. We hypothesized that meniscus and articular cartilage injuries, revision ACL reconstruction, subsequent knee surgery, and certain demographic characteristics would be significant risk factors for inferior outcomes at 10 years...
March 2018: American Journal of Sports Medicine
Marcus J Colby, Brian Dawson, Peter Peeling, Jarryd Heasman, Brent Rogalski, Michael K Drew, Jordan Stares
OBJECTIVES: To assess the effect of multiple high risk scenario (HRS) exposures on non-contact injury prediction in elite Australian footballers. DESIGN: Retrospective cohort study. METHODS: Sessional workload data (session-rating of perceived exertion; GPS-derived distance, sprint distance, maximum velocity) from one club (n= 60 players) over 3 seasons were collated; several established HRS were also defined. Accumulated HRS sessional exposures were calculated retrospectively (previous 1-8 weeks)...
March 15, 2018: International Journal of Sports Physiology and Performance
Mary E Orczykowski, Kevin R Arndt, Lauren E Palitz, Brian C Kramer, Monica A Pessina, Adrian L Oblak, Seth P Finklestein, Farzad Mortazavi, Douglas L Rosene, Tara L Moore
Stroke results in enduring damage to the brain which is accompanied by innate neurorestorative processes, such as reorganization of surviving circuits. Nevertheless, patients are often left with permanent residual impairments. Cell based therapy is an emerging therapeutic that may function to enhance the innate neurorestorative capacity of the brain. We previously evaluated human umbilical tissue-derived cells (hUTC) in our non-human primate model of cortical injury limited to the hand area of primary motor cortex...
March 11, 2018: Experimental Neurology
Nishant Ganesh Kumar, Nicholas Hricz, Brian C Drolet
BACKGROUND: Carpal tunnel release (CTR) is the most common hand surgery operation performed in the United States. While serious complications are rare, they can be life-altering to patients. In some cases, patients will pursue malpractice claims against the surgeon. This study aimed to understand the patient, procedure, and surgeon factors involved in CTR malpractice litigation. METHODS: The Westlaw legal database was queried for all recorded CTR malpractice cases resulting in jury verdicts and settlements...
March 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
Avinash Rao, Hesham Soliman, Mayank Kaushal, Oleysa Motovylak, Aditya Vedantam, Matthew D Budde, Brian Schmit, Marjorie Wang, Shekar N Kurpad
BACKGROUND: Fractional anisotropy (FA) of the high cervical cord correlates with upper limb function in acute cervical cord injury. We investigated the correlation between preoperative FA at the level of maximal compression and functional recovery in a group of patients after decompressive surgery for cervical spondylotic myelopathy (CSM). OBJECTIVE: To determine the usefulness of FA as a biomarker for severity of CSM and as a prognostic biomarker for improvement after surgery...
February 23, 2018: Neurosurgery
Kelly M DeMars, Austin O McCrea, David M Siwarski, Brian D Sanz, Changjun Yang, Eduardo Candelario-Jalil
Ischemic stroke occurs when a clot forms in the brain vasculature that starves downstream tissue of oxygen and nutrients resulting in cell death. The tissue immediately downstream of the blockage, the core, dies within minutes, but the surrounding tissue, the penumbra is potentially salvageable. Prostaglandin E2 binds to four different G-protein coupled membrane receptors EP1-EP4 mediating different and sometimes opposing responses. Pharmacological activation of the EP4 receptor has already been established as neuroprotective in stroke, but the mechanism(s) of protection are not well-characterized...
2018: Frontiers in Neuroscience
Hope C Davis, Jeffery T Spang, Richard F Loeser, Staffan Larsson, Veronica Ulici, J Troy Blackburn, R Alexander Creighton, Ganesh M Kamath, Joanne M Jordan, Stephen W Marshall, Brian Pietrosimone
BACKGROUND: To determine the association between time from injury to ACL reconstruction (TimeInjury-ACLR ) and biochemical markers of cartilage metabolism and inflammation six months following ACL reconstruction (ACLR). METHODS: Individuals with a unilateral ACL injury were enrolled at initial presentation in the orthopedic clinic; blood was collected six months following ACLR. Enzyme-linked immunosorbent assays were used to analyze the ratio of serum concentrations of type-II collagen breakdown (C2C) to synthesis (CPII), plasma matrix metalloproteinase-3 (MMP-3), interleukin-6 (IL-6), and serum aggrecan neoepitope (ARGS)...
March 7, 2018: Knee
Bryan D Hinck, Ricardo Miyaoka, James E Lingeman, Dean G Assimos, Brian R Matlaga, Rocky Pramanik, John Asplin, Benjamin Cohen, Manoj Monga
INTRODUCTION: To determine if markers of kidney injury correlate with urinary oxalate excretion. If so, such biomarkers might be early predictors of oxalate nephropathy. Gastric bypass surgery for obesity is known to be associated with postoperative hyperoxaluria, which can lead to urolithiasis and kidney damage. MATERIALS AND METHODS: Patients were recruited from four large academic centers > 6 months following completion of gastric bypass surgery. Patients provided a spot urine sample for analysis of three markers of kidney injury: 8-iso-Prostaglandin F2 α, N-acetyl- β -D-Glucosaminidase, and Neutrophil gelatinase-associated lipocalin...
February 2018: Canadian Journal of Urology
Yongwen Jiang, Megan L Ranney, Brian Sullivan, Dennis Hilliard, Samara Viner-Brown, Nicole Alexander-Scott
CONTEXT: National data on the epidemiology of firearm injuries and circumstances of firearm deaths are difficult to obtain and often are nonreliable. Since firearm injury and death rates and causes can vary substantially between states, it is critical to consider state-specific data sources. OBJECTIVE: In this study, we illustrate how states can systematically examine demographic characteristics, firearm information, type of wound, toxicology tests, precipitating circumstances, and costs to provide a comprehensive picture of firearm injuries and deaths using data sets from a single state with relatively low rates of firearm injury and death...
March 7, 2018: Journal of Public Health Management and Practice: JPHMP
Calista M Harbaugh, Peng Zhang, Brianna Henderson, Brian A Derstine, Sven A Holcombe, Stewart C Wang, Carla Kohoyda-Inglis, Peter F Ehrlich
BACKGROUND: The "Cushion Effect," the phenomenon in which obesity protects against abdominal injury in adults in motor vehicle accidents, has not been evaluated among pediatric patients. This work evaluates the association between subcutaneous fat cross-sectional area, quantified using analytic morphomic techniques and abdominal injury. METHODS: This retrospective study includes 119 patients aged 1 to 18years involved in frontal impact motor vehicle accidents (2003-2015) with computed tomography scans...
February 10, 2018: Journal of Pediatric Surgery
Lisa M Betthauser, Lisa A Brenner, Wesley Cole, Ann I Scher, Karen Schwab, Brian J Ivins
OBJECTIVE: Service members are frequently diagnosed with comorbid mild traumatic brain injury (mTBI) and posttraumatic stress disorder after returning from Afghanistan and Iraq. Little is known about how mTBI in the postacute and chronic phases combined with current posttraumatic stress disorder symptoms (PTS) affects performance on the Automated Neuropsychological Assessment Metrics, Version 4, Traumatic Brain Injury-Military (ANAM4) battery used by the US military. We examined postdeployment ANAM4 performance using conventional statistical methods, as well as rates of poor performance, below established cutoffs (<10th and ≤2nd percentile)...
March 2018: Journal of Head Trauma Rehabilitation
Kate E Webster, Julian A Feller, Alexander Kimp, Brian M Devitt
PURPOSE: Anterior cruciate ligament (ACL) injuries are frequently not isolated injuries and damage to the menisci and articular cartilage surfaces is common. The concomitant presence of meniscal and chondral damage has the potential to influence patient outcomes following ACL reconstruction surgery and especially following revision ACL reconstruction where these findings are more common. However, study results regarding the mid-term outcome have been inconsistent. The purpose of this study was to compare mid-term patient-reported outcomes and return to sport in patients with and without meniscal and chondral pathology at the time of revision ACL reconstruction surgery...
March 7, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
John P Lichtenberger, Andrew M Kim, Dane Fisher, Peter S Tatum, Brian Neubauer, P Gabriel Peterson, Brett W Carter
Introduction: Combat-related thoracic trauma (CRTT) is a significant contributor to morbidity and mortality of the casualties from Operation Enduring Freedom (OEF) and Operation Iraqi Freedom (OIF). Penetrating, blunt, and blast injuries are the most common mechanisms of trauma to the chest. Imaging plays a key role in the battlefield management of CRTT casualties. This work discusses the imaging manifestations of thoracic injuries from blunt trauma and blast injury, emphasizing epidemiology and diagnostic clues seen during OEF and OIF...
March 1, 2018: Military Medicine
John P Lichtenberger, Andrew M Kim, Dane Fisher, Peter S Tatum, Brian Neubauer, P Gabriel Peterson, Brett W Carter
Introduction: Combat-related thoracic trauma is a significant contributor to morbidity and mortality of the casualties from Operation Enduring Freedom (OEF) and Operation Iraqi Freedom (OIF). Penetrating, blunt, and blast injuries were the most common mechanisms of trauma. Imaging plays a key role in the management of combat-related thoracic trauma casualties. This review discusses the imaging manifestations of thoracic injuries from penetrating trauma, emphasizing epidemiology and diagnostic clues seen during OEF and OIF...
March 1, 2018: Military Medicine
Maria L Pacella, Jeffrey M Girard, Aidan G C Wright, Brian Suffoletto, Clifton W Callaway
OBJECTIVES: Psychosocial factors and responses to injury modify the transition from acute to chronic pain. Specifically, posttraumatic stress disorder symptoms (PTSS; reexperiencing, avoidance, and hyperarousal symptoms) exacerbate and co-occur with chronic pain. Yet no study has prospectively considered the associations among these psychological processes and pain reports using experience sampling methods (ESM) during the acute aftermath of injury. This study applied ESM via daily text messaging to monitor and detect relationships among psychosocial factors and post-injury pain across the first 14-days after emergency department (ED) discharge...
March 7, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
Ciaran Thrush, Tabitha J Porter, Brian M Devitt
PURPOSE: Anterior cruciate ligament (ACL) rupture commonly occurs in conjunction with articular cartilage injury. However, there is no consensus on the most appropriate rehabilitation which should be carried out for ACL reconstruction (ACLR) and the surgical management of articular cartilage lesions of the knee. The purpose of this study was to systematically review the literature to investigate the recommended rehabilitation protocol for patients undergoing ACLR with concomitant articular cartilage injury with a view to develop guidelines on the most appropriate treatment...
March 6, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Darius Ashrafi, Chui Ming Tham, Melvin Malte, Brian Miller, Peter Mactaggart
No abstract text is available yet for this article.
March 6, 2018: ANZ Journal of Surgery
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