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Injury recovery

Stephanie Agtarap, Adriel Boals, Pamela Holtz, Kenleigh Roden-Foreman, Evan E Rainey, Camilo Ruggero, Ann Marie Warren
BACKGROUND: Depression is a common mental health outcome after traumatic injury, negatively impacting physical outcomes and increasing the cost of care. Research shows that the presence and quality of support is a leading protective factor against depression post-injury; however, research is vague on the directional effects of both factors over the course of recovery. METHODS: 130 patients admitted to a Level I Trauma Center were recruited to a prospective study examining overall outcomes one-year after injury...
October 11, 2016: Journal of Affective Disorders
Xuehua Piao, Soh Yamazaki, Sachiko Komazawa-Sakon, Sanae Miyake, Osamu Nakabayashi, Takeyuki Kurosawa, Tetsuo Mikami, Minoru Tanaka, Nico Van Rooijen, Masaki Ohmuraya, Akira Oikawa, Yuko Kojima, Soichiro Kakuta, Yasuo Uchiyama, Masato Tanaka, Hiroyasu Nakano
: Tissue-resident macrophages and bone marrow (BM)-derived monocytes play a crucial role in the maintenance of tissue homeostasis; however, their contribution to recovery from acute tissue injury is not fully understood. To address this issue, we generated an acute murine liver injury model using hepatocyte-specific Cflar-deficient (Cflar(Hep-low) ) mice. Cellular FLICE-inhibitory protein (cFLIP) expression was downregulated in Cflar-deficient hepatocytes, which thereby increased susceptibility of hepatocytes to death receptor-induced apoptosis...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Pedro H F Gois, Daniele Canale, Rildo A Volpini, Daniela Ferreira, Mariana M Veras, Vinicius Andrade-Oliveira, Niels O S Câmara, Maria H M Shimizu, Antonio C Seguro
BACKGROUND: Acute kidney injury (AKI) is the most severe complication of rhabdomyolysis. Allopurinol (Allo), a xanthine oxidase inhibitor, has been in the spotlight in the last decade due to new therapeutic applications related to its potent antioxidant effect. The aim of this study was to evaluate the efficacy of Allo in the prevention and treatment of rhabdomyolysis-associated AKI. METHODS: Male Wistar rats were divided into five groups: saline control group; prophylactic Allo (300mg/L of drinking water, 7 days); glycerol (50%, 5ml/kg, IM); prophylactic Allo + glycerol; and therapeutic Allo (50mg/Kg, IV, 30minutes after glycerol injection) + glycerol...
October 18, 2016: Free Radical Biology & Medicine
YanRui Wang, ShaoJie Yue, ZiQiang Luo, ChuanDing Cao, XiaoHe Yu, ZhengChang Liao, MingJie Wang
BACKGROUND: Previous studies have suggested that endogenous glutamate and its N-methyl-D-aspartate receptors (NMDARs) play important roles in hyperoxia-induced acute lung injury in newborn rats. We hypothesized that NMDAR activation also participates in the development of chronic lung injury after withdrawal of hyperoxic conditions. METHODS: In order to rule out the anti-inflammatory effects of NMDAR inhibitor on acute lung injury, the efficacy of MK-801 was evaluated in vivo using newborn Sprague-Dawley rats treated starting 4 days after cessation of hyperoxia exposure (on postnatal day 8)...
October 21, 2016: Respiratory Research
Estelle Seyman, Hilla Shaim, Shani Shenhar-Tsarfaty, Tali Jonash-Kimchi, Natan M Bornstein, Hen Hallevi
BACKGROUND: Acute ischemic stroke (AIS) is a common neurological event that causes varying degrees of disability. AIS outcome varies considerably, from complete recovery to complete loss of tissue and function. This diversity is partly explained by the compensatory ability of the collateral circulation and the ensuing cerebral flow grade. The collateral flow to the anterior circulation largely supplies the cortical areas. The deep brain tissue is supplied by penetrating arteries and has little or no collateral supply...
October 21, 2016: BMC Neurology
Ravinder Bamba, Thanapong Waitayawinyu, Ratnam Nookala, David Colton Riley, Richard B Boyer, Kevin W Sexton, Chinnakart Boonyasirikool, Sunyarn Niempoog, Nathaniel D Kelm, Mark D Does, Richard D Dortch, Robert Bruce Shack, Wesley P Thayer
BACKGROUND: Peripheral nerve injury can have a devastating impact on our military and veteran population. Current strategies for peripheral nerve repair include techniques such as nerve tubes, nerve grafts, tissue matrices, and nerve growth guides to enhance the number of regenerating axons. Even with such advanced techniques, it takes months to regain function. In animal models, polyethylene glycol (PEG) therapy has shown to improve both physiologic and behavioral outcomes after nerve transection by fusion of a portion of the proximal axons to the distal axon stumps...
November 2016: Journal of Trauma and Acute Care Surgery
Ellen L Mintz, Juliana A Passipieri, Daniel Y Lovell, George J Christ
Despite the regenerative capacity of skeletal muscle, permanent functional and/or cosmetic deficits (e.g., volumetric muscle loss (VML) resulting from traumatic injury, disease and various congenital, genetic and acquired conditions are quite common. Tissue engineering and regenerative medicine technologies have enormous potential to provide a therapeutic solution. However, utilization of biologically relevant animal models in combination with longitudinal assessments of pertinent functional measures are critical to the development of improved regenerative therapeutics for treatment of VML-like injuries...
October 7, 2016: Journal of Visualized Experiments: JoVE
Samina Ismail, Aliya Ahmed, Muhammad Qamarul Hoda, Muhammad Sohaib, Zia-Ur-Rehman
All laparoscopic cholecystectomy (LC) patients in our hospital setting are admitted overnight. This article assesses the contribution of factors like postoperative nausea and vomiting (PONV), postoperative pain and surgical complications to overnight stay after elective LC. This 1-year observational study included patients having normal liver functions undergoing elective LC before 1400 h. The collected data included patient demographics, co-morbidities, PONV, pain scores, complications, surgical time, anesthesia technique, use of prophylactic antiemetics, analgesics, patient satisfaction and desire to have this surgery as day case or in-patient procedure...
October 20, 2016: Updates in Surgery
Young Hak Roh, Beom Koo Lee, Min Ho Park, Jung Ho Noh, Hyun Sik Gong, Goo Hyun Baek
STUDY DESIGN: Prospective cohort. INTRODUCTION: Patient comprehension of their injury, its treatment, and health care provider's instructions plays an important role in health management and recovery from trauma. PURPOSE OF THE STUDY: This study investigates the effects of health literacy (the ability to obtain, process, and understand health information needed to make appropriate health decisions) on treatment outcomes and satisfaction in patients with mallet finger injuries...
October 17, 2016: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
A Craig, N A Elbers, J Jagnoor, B Gopinath, A Kifley, M Dinh, I Pozzato, R Q Ivers, M Nicholas, I D Cameron
OBJECTIVE: To investigate the psychological impact of traffic injuries in bicyclists (cyclists) with comparisons to car occupants who also have sustained traffic injuries. Factors predictive of elevated psychological distress were also investigated. METHODS: An inception cohort prospective design was used. Participants included cyclists who sustained a physical injury (n = 238) aged ≥17 years (mean age 41.7yrs), assessed within 28 days of the crash, following medical examination by a registered healthcare practitioner...
October 20, 2016: Traffic Injury Prevention
Dariusz Wodziak, Aiwen Dong, Michael F Basin, Anson W Lowe
A recently published study identified Anterior Gradient 2 (AGR2) as a regulator of EGFR signaling by promoting receptor presentation from the endoplasmic reticulum to the cell surface. AGR2 also promotes tissue regeneration in amphibians and fish. Whether AGR2-induced EGFR signaling is essential for tissue regeneration in higher vertebrates was evaluated using a well-characterized murine model for pancreatitis. The impact of AGR2 expression and EGFR signaling on tissue regeneration was evaluated using the caerulein-induced pancreatitis mouse model...
2016: PloS One
Chris Durkin, Travis Schisler, Jens Lohser
PURPOSE OF REVIEW: Despite marked improvements in perioperative outcomes, esophagectomy continues to be a high-risk operation associated with significant morbidity and mortality. Progress has been achieved through evidence-based changes in preoperative optimization, intraoperative ventilation strategies, fluid therapy, and analgesia, as well as expedited postoperative recovery pathways. This review will summarize the recent literature on the anesthetic management of patients undergoing esophageal resection...
October 18, 2016: Current Opinion in Anaesthesiology
Fatma Şenses, Mustafa E Önder, Ismail D Koçyiğit, Oğuz Kul, Gülümser Aydin, Elem Inal, Fethi Atil, Umut Tekin
PURPOSE: This study aimed to evaluate the effect of platelet-rich fibrin (PRF) on peripheral nerve regeneration on the sciatic nerve of rats by using functional, histopathologic, and electrophysiologic analyses. MATERIALS AND METHODS: Thirty female Wistar rats were divided randomly into 3 experimental groups. In group 1 (G1), which was the control group, the sciatic nerve was transected and sutured (n = 10). In group 2 (G2), the sciatic nerve was transected, sutured, and then covered with PRF as a membrane (n = 10)...
October 2016: Journal of Craniofacial Surgery
Tanya Bogoslovsky, Jessica Gill, Andreas Jeromin, Cora Davis, Ramon Diaz-Arrastia
Traumatic brain injury (TBI) is one of the leading causes of death and disability around the world. The lack of validated biomarkers for TBI is a major impediment to developing effective therapies and improving clinical practice, as well as stimulating much work in this area. In this review, we focus on different settings of TBI management where blood or cerebrospinal fluid (CSF) biomarkers could be utilized for predicting clinically-relevant consequences and guiding management decisions. Requirements that the biomarker must fulfill differ based on the intended context of use (CoU)...
October 18, 2016: Diagnostics
Michelle Hook, Sarah Woller, Eric Bancroft, Miriam Aceves, Mary Katherine Funk, John Hartman, Sandra M Garraway
Opioids and NSAIDs are commonly used to manage pain in the early phase of spinal cord injury (SCI). Despite its analgesic efficacy, however, our studies suggest that intrathecal (i.t.) morphine undermines locomotor recovery and increases lesion size in a rodent model of SCI. Similarly, intravenous (i.v.) morphine attenuates locomotor recovery. The current study explores whether i.v. morphine also increases lesion size after a spinal contusion (T12) injury, and quantifies the cell types that are affected by early opioid administration...
October 20, 2016: Journal of Neurotrauma
Marie-Pascale Côté, Marion Murray, Michel A Lemay
Body-weight supported locomotor training (BWST) promotes recovery of load-bearing stepping in lower mammals, but its efficacy in individuals with a spinal cord injury (SCI) is limited and highly dependent on injury severity. While animal models with complete spinal transections recover stepping with step-training, motor complete SCI individuals do not, despite similarly intensive training. In this review, we examine the significant differences between humans and animal models that may explain this discrepancy in the results obtained with BWST...
October 20, 2016: Journal of Neurotrauma
David Reigada, Rosa María Navarro-Ruiz, Marcos Javier Caballero-López, Ángela Del Águila, Teresa Muñoz-Galdeano, Rodrigo M Maza, Manuel Nieto-Díaz
Reducing cell death during the secondary injury is a major priority in the development of a cure for traumatic spinal cord injury (SCI). One of the earliest processes that follow SCI is the excitotoxicity resulting from the massive release of excitotoxicity mediators, including ATP, which induce an excessive and/or prolonged activation of their receptors and a deregulation of the calcium homeostasis. Diadenosine tetraphosphate (Ap4A) is an endogenous purinergic agonist, present in both extracellular and intracellular fluids, with promising cytoprotective effects in different diseases including neurodegenerative processes...
October 19, 2016: Purinergic Signalling
Katelyn N Benthall, Ryan A Hough, Andrew D McClellan
Following spinal cord injury (SCI) in the lamprey, there is virtually complete recovery of locomotion within a few weeks, but interestingly, axonal regeneration of reticulospinal (RS) neurons is mostly limited to short distances caudal to the injury site. To explain this situation, we hypothesize that descending propriospinal (PS) neurons relay descending drive from RS neurons to indirectly activate spinal central pattern generators (CPGs). In the present study, the contributions of PS neurons to locomotor recovery were tested in the lamprey following SCI...
October 19, 2016: Journal of Neurophysiology
Younggeon Jin, Anthony T Blikslager
Intestinal anoxia/reoxygenation (A/R) injury induces loss of barrier function followed by epithelial repair. Myosin light chain kinase (MLCK) has been shown to alter barrier function via regulation of interepithelial tight junctions (TJ), but has not been studied in intestinal A/R injury. We hypothesized that A/R injury would disrupt TJ barrier function via MLCK activation and MLC phosphorylation. Caco-2BBe1 monolayers were subjected to anoxia for 2 hours followed by reoxygenation in 21% O2, after which barrier function was determined by measuring transepithelial resistance (TER) and FITC-dextran flux...
October 19, 2016: American Journal of Physiology. Cell Physiology
Aydın Güçlü, Cengiz Koçak, Fatma Emel Koçak, Raziye Akçılar, Yavuz Dodurga, Aydın Akçılar, Mücahit Seçme
AIM: MicroRNAs (miR) are important diagnostic and treatment targets due to their different tissue expressions and their central position in the regulation of gene expressions. miR studies might pioneer emerging of new diagnostic tools and treatment goals in kidney diseases. Captopril (CAP) and telmisartan (TEL) were shown to be effective in ischemia reperfusion (IR) injury. There is not any study about the effect of TEL and CAP over miR-21-320-146a. Our aim was to study the effects of CAP and TEL over miR on renal IR model...
October 19, 2016: Renal Failure
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