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Blunt cardiac injury

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https://www.readbyqxmd.com/read/28427001/emergency-room-thoracotomy-for-acute-traumatic-cardiac-tamponade-caused-by-a-blunt-cardiac-injury-a-case-report
#1
Kenichiro Ishida, Yoshihiro Kinoshita, Nobutaka Iwasa, Masaro Nakae, Masayuki Sakaki, Yohei Ieki, Kyosuke Takahashi, Yumiko Shimahara, Taku Sogabe, Keiichiro Shimono, Mitsuhiro Noborio, Daikai Sadamitsu
INTRODUCTION: Traumatic blunt cardiac injuries have a high mortality rate, and prompt diagnosis and treatment can be lifesaving in cardiac tamponade. PRESENTATION OF CASE: A 62-year-old man was transferred to the emergency department after a motor vehicle accident. He was hemodynamically unstable. A focused assessment with sonography in trauma (FAST) showed pericardial fluid with right ventricular collapse consistent with cardiac tamponade in the subxiphoid view...
April 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28424623/notch-signaling-in-ischemic-damage-and-fibrosis-evidence-and-clues-from-the-heart
#2
REVIEW
Silvia Nistri, Chiara Sassoli, Daniele Bani
Notch signaling is a major intercellular coordination mechanism highly conserved throughout evolution. In vertebrates, Notch signaling is physiologically involved in embryo development, including mesenchymal cell commitment, formation of heart tissues and angiogenesis. In post-natal life, Notch signaling is maintained as a key mechanism of cell-cell communication and its dysregulations have been found in pathological conditions such as ischemic and fibrotic diseases. In the heart, Notch takes part in the protective response to ischemia, being involved in pre- and post-conditioning, reduction of reperfusion-induced oxidative stress and myocardial damage, and cardiomyogenesis...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28398674/melatonin-protects-cardiac-microvasculature-against-ischemia-reperfusion-injury-via-suppression-of-mitochondrial-fission-vdac1-hk2-mptp-mitophagy-axis
#3
Hao Zhou, Ying Zhang, Shunying Hu, Chen Shi, Pingjun Zhu, Qiang Ma, Qinhua Jin, Feng Cao, Feng Tian, Yundai Chen
The cardiac microvascular system, which is primarily composed of monolayer endothelial cells, is the site of blood supply and nutrient exchange to cardiomyocytes. However, microvascular ischemia/reperfusion injury (IRI) following percutaneous coronary intervention is a woefully neglected topic and few strategies are available to reverse such pathologies. Here, we studied the effects of melatonin on microcirculation IRI and elucidated the underlying mechanism. Melatonin markedly reduced infarcted area, improved cardiac function, restored blood flow and lower microcirculation perfusion defects...
April 11, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28395982/cardiopulmonary-resuscitation-of-out-of-hospital-traumatic-cardiac-arrest-in-qatar-a-nationwide-population-based-study
#4
Furqan B Irfan, Rafael Consunji, Ayman El-Menyar, Pooja George, Ruben Peralta, Hassan Al-Thani, Stephen Hodges Thomas, Guillaume Alinier, Ashfaq Shuaib, Jassim Al-Suwaidi, Rajvir Singh, Maaret Castren, Peter A Cameron, Therese Djarv
BACKGROUND: Traumatic cardiac arrest studies have reported improved survival rates recently, ranging from 1.7-7.5%. This population-based nationwide study aims to describe the epidemiology, interventions and outcomes, and determine predictors of survival from out-of-hospital traumatic cardiac arrest (OHTCA) in Qatar. METHODS: An observational retrospective population-based study was conducted on OHTCA patients in Qatar, from January 2010 to December 2015. Traumatic cardiac arrest was redefined to include out-of-hospital traumatic cardiac arrest (OHTCA) and in-hospital traumatic cardiac arrest (IHTCA)...
March 30, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28386925/vagus-nerve-stimulation-surgical-technique-of-implantation-and-revision-and-related-morbidity
#5
Flavio Giordano, Anna Zicca, Carmen Barba, Renzo Guerrini, Lorenzo Genitori
Indications for vagus nerve stimulation (VNS) therapy include focal, multifocal epilepsy, drop attacks (tonic/atonic seizures), Lennox-Gastaut syndrome, tuberous sclerosis complex (TSC)-related multifocal epilepsy, and unsuccessful resective surgery. Surgical outcome is about 50-60% for seizures control, and may also improve mood, cognition, and memory. On this basis, VNS has also been proposed for the treatment of major depression and Alzheimer's' disease. The vagus nerve stimulator must be implanted with blunt technique on the left side to avoid cardiac side effects through the classic approach for anterior cervical discectomy...
April 2017: Epilepsia
https://www.readbyqxmd.com/read/28361585/pyruvate-preserves-antiglycation-defenses-in-porcine-brain-after-cardiac-arrest
#6
Gary F Scott, Anh Q Nguyen, Brandon H Cherry, Roger A Hollrah, Isabella Salinas, Arthur G Williams, Myoung-Gwi Ryou, Robert T Mallet
Cardiac arrest (CA) and cardiocerebral resuscitation (CCR)-induced ischemia-reperfusion imposes oxidative and carbonyl stress that injures the brain. The ischemic shift to anaerobic glycolysis, combined with oxyradical inactivation of glyceraldehyde 3-phosphate dehydrogenase (GAPDH), provokes excessive formation of the powerful glycating agent, methylglyoxal. The glyoxalase (GLO) system, comprising the enzymes glyoxalase 1 (GLO1) and GLO2, utilizes reduced glutathione (GSH) supplied by glutathione reductase (GR) to detoxify methylglyoxal resulting in reduced protein glycation...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28346475/treatment-of-blunt-thoracic-aortic-injury-in-germany-assessment-of-the-traumaregister-dgu%C3%A2
#7
Alexander Gombert, Mohammad E Barbati, Martin Storck, Drosos Kotelis, Paula Keschenau, Hans-Christoph Pape, Hagen Andruszkow, Rolf Lefering, Frank Hildebrand, Andreas Greiner, Michael J Jacobs, Jochen Grommes
PURPOSE: Using the data delivered by the German Trauma Register DGU® from 2002 till 2013, the value of different therapies of blunt thoracic aortic injury (BTAI) in Germany was analyzed. METHODS: Prospectively collected data of patients suffering from BTAI were retrospectively analyzed with focus on the different treatment modalities for grade I-IV injuries. RESULTS: 821 patients suffering from BTAI were identified: 51.6% (424) grade I injury, 35...
2017: PloS One
https://www.readbyqxmd.com/read/28340603/blunt-cardiac-injury-due-to-trauma-associated-with-snowboarding-a-case-report
#8
Fuminori Yamaji, Hideshi Okada, Yasuhiro Nakajima, Kodai Suzuki, Takahiro Yoshida, Yosuke Mizuno, Haruka Okamoto, Yuichiro Kitagawa, Taku Tanaka, Shiho Nakano, Sho Nachi, Tomoaki Doi, Keisuke Kumada, Shozo Yoshida, Narihiro Ishida, Katsuya Shimabukuro, Hiroaki Ushikoshi, Izumi Toyoda, Kiyoshi Doi, Shinji Ogura
BACKGROUND: Cardiac trauma is associated with a much higher mortality rate than injuries to other organ systems, even though cardiac trauma is identified in less than 10% of all trauma admissions. Here we report blunt trauma of the left atrium due to snowboarding trauma. CASE PRESENTATION: A 45-year-old Asian man collided with a tree while he was snowboarding and drinking. He lost consciousness temporarily. An air ambulance was requested and he was transported to an advanced critical care center...
March 25, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28328730/partial-occlusion-conversion-from-thoracotomy-undelayed-but-shorter-occlusion-resuscitative-endovascular-balloon-occlusion-of-the-aorta-strategy-in-japan
#9
Yosuke Matsumura, Junichi Matsumoto, Hiroshi Kondo, Koji Idoguchi, Tomohiro Funabiki
INTRODUCTION: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a viable alternative to resuscitative thoracotomy (RT) in refractory hemorrhagic patients. We evaluated REBOA strategies using Japanese multi-institutional data. PATIENTS AND METHODS: The DIRECT-IABO investigators registered trauma patients requiring REBOA from 18 hospitals. Patients' characteristics, outcomes, and time in initial treatment were collected and analyzed. RESULTS: From August 2011 to December 2015, 106 trauma patients were analyzed...
March 21, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28318537/cardiac-magnetic-resonance-imaging-in-suspected-blunt-cardiac-injury-a-prospective-pilot-cohort-study
#10
Aidan Jc Burrell, David M Kaye, Mark C Fitzgerald, David J Cooper, James L Hare, Benedict T Costello, Andrew J Taylor
INTRODUCTION: The aim of this study was to evaluate the incidence and severity of blunt cardiac injury (BCI) as determined by cardiac magnetic resonance imaging (CMR), and to compare this to currently used diagnostic methods in severely injured patients. MATERIALS AND METHODS: We conducted a prospective, pilot cohort study of 42 major trauma patients from July 2013 to Jan 2015. The cohort underwent CMR within 7 days, enrolling 21 patients with evidence of chest injury and an elevated Troponin I compared to 21 patients without chest injury who acted as controls...
February 27, 2017: Injury
https://www.readbyqxmd.com/read/28304151/cardiac-cell-proliferation-is-not-necessary-for-exercise-induced-cardiac-growth-but-required-for-its-protection-against-ischaemia-reperfusion-injury
#11
Yihua Bei, Siyi Fu, Xiangming Chen, Mei Chen, Qiulian Zhou, Pujiao Yu, Jianhua Yao, Hongbao Wang, Lin Che, Jiahong Xu, Junjie Xiao
The adult heart retains a limited ability to regenerate in response to injury. Although exercise can reduce cardiac ischaemia/reperfusion (I/R) injury, the relative contribution of cardiac cell proliferation including newly formed cardiomyocytes remains unclear. A 4-week swimming murine model was utilized to induce cardiac physiological growth. Simultaneously, the antineoplastic agent 5-fluorouracil (5-FU), which acts during the S phase of the cell cycle, was given to mice via intraperitoneal injections. Using EdU and Ki-67 immunolabelling, we showed that exercise-induced cardiac cell proliferation was blunted by 5-FU...
March 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28289383/the-citrus-flavanone-naringenin-produces-cardioprotective-effects-in-hearts-from-1-year-old-rat-through-activation-of-mitobk-channels
#12
Lara Testai, Eleonora Da Pozzo, Ilaria Piano, Luisa Pistelli, Claudia Gargini, Maria Cristina Breschi, Alessandra Braca, Claudia Martini, Alma Martelli, Vincenzo Calderone
Background and Purpose: Incidence of cardiovascular disorders increases with age, because of a dramatic fall of endogenous self-defense mechanisms and increased vulnerability of myocardium. Conversely, the effectiveness of many cardioprotective drugs is blunted in hearts of 1 year old rat. The Citrus flavanone naringenin (NAR) was reported to promote cardioprotective effects against ischemia/reperfusion (I/R) injury, through the activation of mitochondrial large conductance calcium-activated potassium channel (mitoBK)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28255632/population-based-autopsy-study-of-traumatic-fatalities
#13
S Saar, A Lomp, J Laos, V Mihnovitš, R Šalkauskas, T Lustenberger, M Väli, U Lepner, P Talving
BACKGROUND: Injuries result in 5.8 million global fatalities annually and are the leading cause of death in younger individuals. Nevertheless, population-based autopsy investigations on traumatic deaths are scarce. We set out to study all consecutive autopsies on traumatic fatalities performed in a 5-year time segment in Estonia. METHODS: After the ethics review board approval, all consecutive autopsies after blunt or penetrating deaths occurring in prehospital or in-hospital settings between January 1, 2009, and December 31, 2013, were retrospectively reviewed using the National Forensic Medicine Database...
March 2, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28225378/traumatic-ventricular-septal-defect-in-a-1-year-old-boy-after-accidental-chest-compression-by-an-adult
#14
Huang-Wei Wu, Jen-Hung Chien, Ken-Pen Weng, Chu-Chuan Lin, Bo-Hau Chen, Shih-Ming Huang, Yu-Chi Hung
We report a 1-year-old boy with a delayed diagnosis of traumatic ventricular septal defect (VSD) related to chest compression. His cardiac function was stable after adequate medical treatment. Spontaneous closure of traumatic VSD occurred to this patient at the age of 4 years. This is a rare case of traumatic VSD associated with accidental chest compression, which is similar to rupture of the ventricular septum after blunt chest trauma. It should be kept in mind that traumatic VSD and concomitant thoracic injuries can develop during chest compression...
February 21, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28183285/early-detection-of-myocardial-infarction-following-blunt-chest-trauma-by-computed-tomography-a-case-report
#15
Thung-Lip Lee, Chin-Feng Hsuan, Chen-Hsiang Shih, Huai-Wen Liang, Hsing-Shan Tsai, Wei-Kung Tseng, Kwan-Lih Hsu
BACKGROUND: Blunt cardiac trauma encompasses a wide range of clinical entities, including myocardial contusion, cardiac rupture, valve avulsion, pericardial injuries, arrhythmia, and even myocardial infarction. Acute myocardial infarction due to coronary artery dissection after blunt chest trauma is rare and may be life threatening. Differential diagnosis of acute myocardial infarction from cardiac contusion at this setting is not easy. CASE PRESENTATION: Here we demonstrated a case of blunt chest trauma, with computed tomography detected myocardium enhancement defect early at emergency department...
February 10, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28164016/isolated-rupture-of-bicuspid-aortic-valve-following-blunt-chest-trauma-a-case-report-and-systematic-review-of-literature
#16
Hemindermeet Singh, Sajid Ali, Faraz Khan Luni, Fayyaz Hashmi, Mohammed Taleb
Blunt trauma to chest cause injury to various cardiac structures. Isolated rupture of aortic valve without aortic dissection is rare complication of blunt chest trauma and can be caused by a tear or avulsion of the valve. We report a case of a 35-year-old male who presented with severe aortic insufficiency due to rupture of a non-infected congenital bicuspid aortic valve following non-penetrating chest trauma. The diagnosis was suggested by echocardiography and was confirmed by intra-operative and histological findings...
February 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28131704/notch3-deficiency-impairs-coronary-microvascular-maturation-and-reduces-cardiac-recovery-after-myocardial-ischemia
#17
Yong-Kang Tao, Heng Zeng, Guo-Qiang Zhang, Sean T Chen, Xue-Jiao Xie, Xiaochen He, Shuo Wang, Hongyan Wen, Jian-Xiong Chen
RATIONALE: Vascular maturation plays an important role in wound repair post-myocardial infarction (MI). The Notch3 is critical for pericyte recruitment and vascular maturation during embryonic development. OBJECTIVE: This study is to test whether Notch3 deficiency impairs vascular maturation and blunts cardiac functional recovery post-MI. APPROACH AND RESULTS: Wild type (WT) and Notch3 knockout (Notch3KO) mice were subjected to MI by the ligation of left anterior descending coronary artery (LAD)...
January 24, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28090817/coronary-or-ventricular-rupture-after-blunt-chest-trauma-a-clinical-dilemma
#18
Anton Sabashnikov, Guido Michels, Javid Fatullayev, Kaveh Eghbalzadeh, Mohamed Zeriouh, Stephan Baldus, Jens Wippermann, Thorsten Wahlers, Navid Madershahian
Cardiac rupture (CR) is one of the most serious and life-threatening complications of blunt chest trauma (BCT) usually associated with high mortality. Moreover, its diagnosis and treatment strategies may be extremely challenging for clinicians due to various anatomical localisations of the tear. Whereas most injuries fall under the category of right atrial ruptures, left ventricular lesions represent a rare type of this injury, with greater mortality, particularly in cases of multi-chamber injuries. However, not only cardiac chamber or great vessel ruptures may occur as a result of BCT; a growing number of reports also describe BCT-induced isolated coronary artery injuries, including ruptures...
January 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28088937/traumatic-cardiac-injury-experience-from-a-level-1-trauma-centre
#19
Biplab Mishra, Amit Gupta, Sushma Sagar, Maneesh Singhal, Subodh Kumar
PURPOSE: Traumatic cardiac injury (TCI) is a challenge for trauma surgeons as it provides a short thera- peutic window and the management is often dictated by the underlying mechanism and hemodynamic status. The current study is to evaluate the factors influencing the outcome of TCI. METHODS: Prospectively maintained database of TCI cases admitted at a Level-1 trauma center from July 2008 to June 2013 was retrospectively analyzed. Hospital records were reviewed and statistical analysis was performed using the SPSS version 15...
December 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28050441/blunt-cardiac-rupture-a-diagnostic-challenge
#20
Suraj Pinni, Vineet Kumar, Satish Balkrishna Dharap
Blunt Cardiac Rupture (BCR) is a life threatening injury. Majority of patients do not reach the hospital and in those who reach the emergency department, timely diagnosis and treatment is a challenge. The case is about a patient with multiple blunt injuries who presented in shock. Cardiac tamponade was suspected on clinical grounds and on evidence of mediastinal widening on radiograph. In the absence of songography, the diagnosis was confirmed by subxiphoid pericardial window. Emergency thoracotomy revealed a right atrial appendage rupture which was surgically corrected...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
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