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Lung contusion

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https://www.readbyqxmd.com/read/28099381/daily-propranolol-administration-reduces-persistent-injury-associated-anemia-following-severe-trauma-and-chronic-stress
#1
Ines G Alamo, Kolenkode B Kannan, Letitia E Bible, Tyler J Loftus, Harry Ramos, Philip A Efron, Alicia M Mohr
BACKGROUND: Following severe trauma, patients develop a norepinephrine-mediated persistent, injury-associated anemia. This anemia is associated with suppression of bone marrow erythroid colony growth, along with decreased iron levels, and elevated erythropoietin (EPO) levels, which are insufficient to promote effective erythropoiesis. The impact of norepinephrine on iron regulators such as ferroportin, transferrin and transferrin receptor-1 (TFR-1) are unknown. Using a clinically relevant rodent model of lung contusion (LC), hemorrhagic shock (HS), and chronic stress (CS), we hypothesize that daily propranolol (BB), a non-selective beta-blocker, restores bone marrow function and improves iron homeostasis...
January 17, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28029486/parenchymal-lung-injuries-related-to-standard-cardiopulmonary-resuscitation
#2
Kyoung-Chul Cha, Yong Won Kim, Hyung Il Kim, Oh Hyun Kim, Yong Sung Cha, Hyun Kim, Kang Hyun Lee, Sung Oh Hwang
OBJECTIVES: We analyzed chest computed tomographic scan to evaluate parenchymal lung injury and its clinical significance in patients who received standard cardiopulmonary resuscitation and were resuscitated from cardiac arrest. METHODS: We enrolled nontraumatic out-of-hospital cardiac arrest patients older than 19 years who had been admitted to the emergency department in cardiac arrest and successfully resuscitated after cardiopulmonary resuscitation. Chest computed tomography was obtained immediately after return of spontaneous circulation (ROSC)...
October 15, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28028415/scapular-fractures-in-blunt-chest-trauma-self-experience-study
#3
Tabet A Al-Sadek, Desislav Niklev, Ahmed Al-Sadek, Lina Al-Sadek
AIM: The aim of this retrospective study was to report the scapular fractures in patients with blunt chest trauma and to present the type and the frequency of associated thoracic injuries. MATERIAL AND METHODS: Nine patients with fractures of the scapula were included in the study. The mechanisms of the injury, the type of scapular fractures and associated thoracic injuries were analysed. RESULTS: Scapular fractures were caused by high-energy blunt chest trauma...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28007867/chest-wall-stabilization-in-ventilator-dependent-traumatic-flail-chest-patients-who-benefits-%C3%A2
#4
Gregor J Kocher, Siamak Sharafi, Luis Filipe Azenha, Ralph A Schmid
OBJECTIVES: Traumatic flail chest is a potentially life threatening injury, often associated with prolonged invasive mechanical ventilation and intensive care unit stay. This study evaluates the usefulness and cost-effectiveness of surgical rib stabilization in patients with flail chest resulting in ventilator dependent respiratory insufficiency. METHODS: A retrospective study on a consecutive series of patients with flail chest with the need for mechanical ventilation was performed...
December 22, 2016: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/27998635/predictors-of-intrathoracic-injury-after-blunt-torso-trauma-in-children-presenting-to-an-emergency-department-as-trauma-activations
#5
Caitlin McNamara, Irina Mironova, Erik Lehman, Robert P Olympia
BACKGROUND: Thoracic injuries are a major cause of death associated with blunt trauma in children. Screening for injury with chest x-ray study, compared with chest computed tomography (CT) scan, has been controversial, weighing the benefits of specificity with the detriment of radiation exposure. OBJECTIVE: To identify predictors of thoracic injury in children presenting as trauma activations to a Level I trauma center after blunt torso trauma, and to compare these predictors with those previously reported in the literature...
December 17, 2016: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27960185/phlda1-promotes-lung-contusion-by-regulating-the-toll-like-receptor-2-signaling-pathway
#6
Shaohua Wang, Hua Zhang, An Wang, Dayu Huang, Jie Fan, Lu Lu, Xiaofeng Chen
BACKGROUND/AIMS: Lung contusion is a potentially lethal injury. Pleckstrin homology-like domain family A, member-1 (PHLDA1) is known to play crucial roles in cell proliferation and apoptosis. In this study, we investigated the biological role of PHLDA1 in lung contusion. METHODS: The expression levels of PHLDA1 and TLR2 were detected by real time PCR and western. The cytokines were determined by ELISA. The inflammatory factors were detected by flow cytometry. The lung injury was determined by HE staining...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27827332/a-preventative-respiratory-protocol-to-identify-trauma-subjects-at-risk-for-respiratory-compromise-on-a-general-in-patient-ward
#7
Bethany A Nyland, Sarah K Spilman, Meghan E Halub, Keith D Lamb, Julie A Jackson, Trevor W Oetting, Sheryl M Sahr
BACKGROUND: Patients are at risk for respiratory complications after sustaining blunt chest trauma, yet contradictory evidence exists about the utility of prophylactic respiratory therapy to reduce respiratory complications in this population. This study assessed the effectiveness of a proactive respiratory protocol on an in-patient ward to identify trauma patients at risk for pulmonary complications, administer appropriate therapies, and prevent deterioration requiring transfer to the ICU...
December 2016: Respiratory Care
https://www.readbyqxmd.com/read/27811509/molecular-characterization-of-hypoxic-alveolar-epithelial-cells-after-lung-contusion-indicates-an-important-role-for-hif-1%C3%AE
#8
Matthew A Sherman, Madathilparambil V Suresh, Vladislav A Dolgachev, Lane K McCandless, Xiang Xue, Li Ziru, David Machado-Aranda, Yatrik M Shah, Krishnan Raghavendran
OBJECTIVE: To understand the fate and regulation of hypoxic type II alveolar epithelial cells (AECs) after lung contusion (LC). BACKGROUND: LC due to thoracic trauma is a major risk factor for the development of acute respiratory distress syndrome. AECs have recently been implicated as a primary driver of inflammation in LC. The main pathological consequence of LC is hypoxia, and a key mediator of adaptation to hypoxia is hypoxia-inducible factor (HIF)-1. We have recently published that HIF-1α is a major driver of acute inflammation after LC through type II AEC...
November 1, 2016: Annals of Surgery
https://www.readbyqxmd.com/read/27771726/gram-negative-pneumonia-alters-large-vein-cell-adhesion-molecule-profile-and-potentiates-experimental-stasis-venous-thrombosis
#9
Andrea T Obi, Elizabeth Andraska, Yogendra Kanthi, Catherine E Luke, Megan Elfline, Suresh Madathilparambil, Teruna J Siahaan, Farouc A Jaffer, Thomas W Wakefield, Krishnan Raghavendran, Peter K Henke
BACKGROUND/AIMS: Pneumonia is a significant risk factor for the development of venous thrombosis (VT). Cell-adhesion molecules (CAMs) are linked to the pathogenesis of both pneumonia and VT. We hypothesized that remote infection would confer a prothrombogenic milieu via systemic elevation of CAMs. METHODS: Lung injury was induced in wild-type (C57BL/6) mice by lung contusion or intratracheal inoculation with Klebsiella pneumoniae or saline controls. K. pneumoniae-treated mice and controls additionally underwent inferior vena cava (IVC) ligation to generate VT...
2016: Journal of Vascular Research
https://www.readbyqxmd.com/read/27742030/clonidine-reduces-norepinephrine-and-improves-bone-marrow-function-in-a-rodent-model-of-lung-contusion-hemorrhagic-shock-and-chronic-stress
#10
Ines G Alamo, Kolenkode B Kannan, Harry Ramos, Tyler J Loftus, Philip A Efron, Alicia M Mohr
BACKGROUND: Propranolol has been shown previously to restore bone marrow function and improve anemia after lung contusion/hemorrhagic shock. We hypothesized that daily clonidine administration would inhibit central sympathetic outflow and restore bone marrow function in our rodent model of lung contusion/hemorrhagic shock with chronic stress. METHODS: Male Sprague-Dawley rats underwent 6 days of restraint stress after lung contusion/hemorrhagic shock during which the animals received clonidine (75 μg/kg) after the restraint stress...
October 11, 2016: Surgery
https://www.readbyqxmd.com/read/27733410/investigation-of-surfactant-protein-d-and-interleukin-6-levels-in-patients-with-blunt-chest-trauma-with-multiple-rib-fractures-and-pulmonary-contusions-a-cross-sectional-study-in-black-sea-region-of-turkey
#11
Aysel Kurt, Hasan Turut, Ahmet Acipayam, Aynur Kirbas, Suleyman Yuce, Medine Cumhur Cure, Erkan Cure
OBJECTIVE: Multiple rib fractures (RFs) and pulmonary contusions (PCs), with resulting systemic lung inflammation, are the most common injuries caused by blunt chest trauma (BCT) in motor vehicle accidents. This study examined levels of the inflammation marker interleukin (IL)-6 and those of the acute-phase reactant surfactant protein (SP)-D in patients with BCT. DESIGN: Prospective, cross-sectional, observational study. SETTING: Single-centre, tertiary care hospital in the Black Sea Region of Turkey...
October 12, 2016: BMJ Open
https://www.readbyqxmd.com/read/27668913/interventricular-septal-pseudoaneurysm-after-blunt-chest-trauma-in-a-6-year-old-an-illustrative-case-and-review
#12
Natalie Behrle, Peter Dyke, Abdallah Dalabih
Motor vehicle accident is the most common cause of blunt cardiac injury (BCI) in children (85.3%) due to the height of the child in relation to proper restraints and the compliant pediatric rib cage (J Trauma. 1996;40:200-202). Trauma to the chest wall may lead to injury of the myocardium, resulting in myocardial contusion, ventricular septal defect (VSD), ventricular free wall rupture, or valve compromise (J Trauma. 1996;40; 200-202; Heart Lung. 2012;41:200-202; J Inj Violence Res. 2012;4:98-100). There are several proposed mechanisms for the formation of VSD after blunt chest trauma including rupture of ischemic myocardium related to the initial trauma and reopening of a spontaneously closed congenital VSD...
September 23, 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27659967/short-term-effects-of-low-volume-resuscitation-with-hypertonic-saline-and-hydroxyethylstarch-in-an-experimental-model-of-lung-contusion-and-haemorrhagic-shock
#13
Bertrand Prunet, Pierre-Yves Cordier, Nicolas Prat, Sophie De Bourmont, David Couret, Dominique Lambert, Pierre Michelet
OBJECTIVES: This study aimed to assess the short-term respiratory tolerance and haemodynamic efficiency of low-volume resuscitation with hypertonic saline and hydroxyethylstarch (HS/HES) in a pig model of lung contusion and controlled haemorrhagic shock. We hypothesised that a low-volume of HS/HES after haemorrhagic shock did not impact contused lungs in terms of extravascular lung water 3hours after trauma. METHODS: A lung contusion resulting from blunt chest trauma was induced in 28 anaesthetised female pigs with five bolt-shots to the right thoracic cage, followed by haemorrhagic shock and fluid resuscitation...
September 20, 2016: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/27630931/tracheobronchial-injury-caused-by-blunt-trauma-case-report-and-review-of-literature
#14
Vandana Pandey, Dharam S Meena, Swati Choraria, Sushil Guria
Tracheobronchial injuries are rare cases requiring skillful airway management. We report a challenging case of tracheobronchial injury in a young adult who was run over by a tractor and was referred to us from a peripheral hospital with endotracheal tube in situ. He was severely hypoxaemic on initial presentation. Diagnostic work up showed high suspicion for right bronchial transection along with left lung upper lobe contusion. Due to deteriorating clinical condition of the patient and despite immediate unavailability of fibreoptic bronchoscope, patient was immediately taken up for right posterolateral thoracotomy and double lumen tube was inserted...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27608777/predicting-survival-in-ards
#15
EDITORIAL
Niteen D Karnik, Anish V Gupta
Acute respiratory distress syndrome (ARDS) is a fulminant clinical disorder of varied etiology, characterized by diffuse lung injury and severe hypoxemia. It is a leading cause of ICU admission and the associated high mortality has sparked a lot of research on etiology, outcome, scoring systems, mortality predictors, biomarkers including inflammatory cytokines and even genomics in ARDS. The previously used AECC (American European Consensus Conference) definition (1994) of ARDS was replaced by the recent Berlin definition (2012) so as to improve its validity and reliability...
November 2015: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27598602/endogenous-erythropoietin-level-and-effects-of-exogenous-erythropoietin-in-a-rat-model-of-blunt-chest-trauma-induced-pulmonary-contusion
#16
Vedat Bakan, Ergül Belge Kurutaş, Harun Çıralık, Mustafa Gül, Ahmet Çelik
BACKGROUND: The present objective was to investigate endogen erythropoietin (EPO) level and relationship to oxidative stress within the first 24 hours of blunt chest trauma-induced pulmo-nary contusion (PCn) in a rat model. METHODS: Thirty-five rats were divided into 3 groups. In the baseline control group (BC, n=7), rats were uninjured and untreated. In the positive control group (PC, n=21) rats were injured but untreated. In the EPO-24 group (n=7), rats were injured and a single dose of intra-peritoneal EPO (5000 IU/kg) was administered immediately after lung injury...
July 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/27579054/retrospective-one-million-subject-fixed-cohort-survey-of-utilization-of-emergency-departments-due-to-traumatic-causes-in-taiwan-2001-2010
#17
Nan-Ping Yang, Dinh-Van Phan, Yi-Hui Lee, Jin-Chyr Hsu, Ren-Hao Pan, Chien-Lung Chan, Nien-Tzu Chang, Dachen Chu
BACKGROUND: Epidemiological study was needed to evaluate trends in emergency department (ED) utilization that could be taken into account when making policy decisions regarding the delivery and distribution of medical resources. METHODS: A retrospective fixed-cohort study of emergency medical utilization from 2001 to 2010 was performed based on one-million people sampled in 2010 in Taiwan. Focusing on traumatic cases, the annual incidences in various groups split according to sex and age were calculated, and further information regarding location of trauma and type of trauma was obtained...
2016: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/27565081/melatonin-is-it-an-effective-antioxidant-for-pulmonary-contusion
#18
REVIEW
Serife Ozdinc, Gurhan Oz, Cigdem Ozdemir, Ibrahim Kilic, Zeynep Karakaya, Ahmet Bal, Tulay Koken, Okan Solak
BACKGROUND: The goal of the present study was to evaluate the antioxidant effects of melatonin on pulmonary contusion (PC) caused by isolated blunt thoracic trauma (BTT) in an experimental rat model. MATERIALS AND METHODS: A total of 49 rats were divided into three groups: control group (CG), trauma group (TG), and melatonin group (MG). PC was induced by isolated BTT for all the groups except the control group. Intraperitoneal melatonin was administered to the MG after trauma...
August 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27509390/double-stranded-rna-interacts-with-toll-like-receptor-3-in-driving-the-acute-inflammatory-response-following-lung-contusion
#19
Madathilparambil V Suresh, Bivin Thomas, David Machado-Aranda, Vladislov A Dolgachev, Sadeesh Kumar Ramakrishnan, Nicholas Talarico, Karen Cavassani, Matthew A Sherman, Mark R Hemmila, Steven L Kunkel, Nils G Walter, Cory M Hogaboam, Krishnan Raghavendran
OBJECTIVES: Lung contusion is a major risk factor for the development of acute respiratory distress syndrome. We set to determine the role of toll-like receptor 3 and the binding of double-stranded RNA in the pathogenesis of sterile injury following lung contusion. DESIGN: Toll-like receptor 3 expression was analyzed in postmortem lung samples from patients with lung contusion. Unilateral lung contusion was induced in toll-like receptor 3 (-/-), TIR-domain-containing adapter-inducing interferon-β (-/-), and wild-type mice...
November 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27501735/towards-valid-serious-non-fatal-injury-indicators-for-international-comparisons-based-on-probability-of-admission-estimates
#20
Colin Cryer, Ted R Miller, Ronan A Lyons, Alison K Macpherson, Katherine Pérez, Eleni Th Petridou, Nick Dessypris, Gabrielle S Davie, Pauline J Gulliver, Jens Lauritsen, Soufiane Boufous, Bruce Lawrence, Brandon de Graaf, Claudia A Steiner
BACKGROUND: Governments wish to compare their performance in preventing serious injury. International comparisons based on hospital inpatient records are typically contaminated by variations in health services utilisation. To reduce these effects, a serious injury case definition has been proposed based on diagnoses with a high probability of inpatient admission (PrA). The aim of this paper was to identify diagnoses with estimated high PrA for selected developed countries. METHODS: The study population was injured persons of all ages who attended emergency department (ED) for their injury in regions of Canada, Denmark, Greece, Spain and the USA...
August 8, 2016: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
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