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Blunt cardiac injury

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https://www.readbyqxmd.com/read/28623881/cardiac-tamponade-associated-with-delayed-ascending-aortic-perforation-after-blunt-chest-trauma-a-case-report
#1
Dae Woong Ryu, Mi Kyung Lee
BACKGROUND: Cardiac tamponade due to aortic injury after blunt trauma is a rare and potentially fatal injury. Most aortic injuries caused by blunt trauma present as aortic dissection or rupture of the aortic isthmus. Several cases of delayed aortic injury have been reported. However, all of these injuries were observed in the descending aorta because they had been caused by a posterior rib fracture. CASE PRESENTATION: We report the first case of cardiac tamponade associated with delayed ascending aortic perforation 2 weeks after blunt trauma...
June 17, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28614863/-anesthetic-management-in-thoracic-trauma-patients
#2
Alf Kozian, Astrid Bergmann, Thomas Hachenberg, Thomas Schilling
In daily practice, management of patients with blunt thoracic trauma is challenging for the anesthetist. Injuries of airways, lungs, diaphragm, heart and large vessels are the main difficulties.Respiratory and circulatory physiology in general is affected by general anesthesia, which may result in an increased number of perioperative complications. Therefore, anesthetic management of patients with thoracic trauma needs to address different clinical topics: management of difficult airways, intrinsic effects of anesthetics and mechanical ventilation on respiratory and cardiac function, the adequate replacement of blood loss as well as type and extent of the surgical intervention...
June 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/28614862/-thoracic-trauma-prehospital-treatment
#3
Michael Hansen, Thomas Hachenberg
Penetrating thoracic injuries are rare in Germany and common in urban regions. 10 percent of the patients in Emergency Departments suffer from blunt thoracic trauma. Mechanism of trauma can predict the severity of the injuries. Very fast life-threatening injuries with hemodynamic problems like tension pneumothorax or cardiac tamponade have to be diagnosed. Prehospital emergency physicians need skills in ultrasound for diagnosis and in invasive therapy like chest tube or pericardium drainage tube. The application of an algorithm in exploration of a thoracic trauma seems to be useful...
June 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/28610438/pneumorachis-associated-with-persistent-tachycardia-after-blunt-thoracic-trauma
#4
Paris-Dimitrios Kalogerakos, George Lazopoulos, Stefanos Palioudakis, Ioannis Drositis, Kiriaki Chionidou, George Chalkiadakis
Pneumorachis, or intraspinal air, can be a rare result of blunt thoracic trauma. We report the case of a 40-year-old man with multiple injuries and pneumorachis associated with persistent tachycardia. As factors that increase heart rate were gradually ruled out, intraspinal air was considered the potential culprit. Computed tomography revealed intraspinal air at the thoracic level, which possibly promoted cardiac arrhythmogenesis. Air may transiently compress the preganglionic cardiac sympathetic nerves and increase sympathetic output to the heart...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28601315/age-related-mortality-in-blunt-traumatic-hemorrhagic-shock-the-killers-and-the-life-savers
#5
John O Hwabejire, Christine E Nembhard, Tolulope A Oyetunji, Theodros Seyoum, Mayowa P Abiodun, Suryanarayana M Siram, Edward E Cornwell, Wendy R Greene
BACKGROUND: There are sparse data on the association between age and mortality in hemorrhagic shock (HS). We examined this association in this study. MATERIALS AND METHODS: The Glue Grant database was analyzed. Patients aged ≥16 y with blunt traumatic HS were stratified into eight age groups (16-24, 25-34, 35-44, 45-54, 55-64, 65-74, 75-84, and ≥85 y) to identify the mortality inflection point. Subsequently, patients were restratified into young age (16-44 y), middle age (45-64 y), and elderly (≥65 y)...
June 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28597790/septal-thrombus-following-blunt-cardiac-injury
#6
Rahul Vasudev, Upamanyu Rampal, Hiten Patel, Mahesh Bikkina, Fayez Shamoon
No abstract text is available yet for this article.
April 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28595226/-surgical-repair-for-the-ventricular-septal-perforation-following-blunt-chest-trauma-report-of-a-case
#7
Chihiro Yoshida, Kazutoshi Tano, Youichi Ichikawa
Ventricular septal perforation(VSP) after blunt chest trauma is rare. As the clinical symptoms and timing of presentation are varied, appropriate diagnosis can be difficult or delayed. An 86-year-old man presented with a traumatic VSP following a forestry injury. He showed a normal cardiac structure at the time of injury, but echocardiography after 9 days revealed VSP. He was treated successfully with surgical closure of the VSP.
June 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28592638/sestrin2-prevents-age-related-intolerance-to-ischemia-and-reperfusion-injury-by-modulating-substrate-metabolism
#8
Nanhu Quan, Wanqing Sun, Lin Wang, Xu Chen, Xinchun Zhou, Courtney Cates, Quan Liu, Yang Zheng, Ji Li
A novel stress-inducible protein, Sestrin2 (Sesn2), declines in the heart with aging. AMPK has emerged as a pertinent stress-activated kinase that has been shown to have cardioprotective capabilities against myocardial ischemic injury. We identified the interaction between Sesn2 and AMPK in the ischemic heart. To determine whether ischemic AMPK activation-modulated by the Sesn2-AMPK complex in the heart-is impaired in aging that sensitizes the heart to ischemic insults, young C57BL/6 mice (age 3-4 mo), middle-age mice (age 10-12 mo), and aged mice (age 24-26 mo) were subjected to left anterior descending coronary artery occlusion for in vivo regional ischemia...
June 7, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28588076/pai-1-controls-cardiomyocyte-tgf-%C3%AE-and-cardiac-fibrosis
#9
Panagiotis Flevaris, Sadiya S Khan, Mesut Eren, Adam J Schuldt, Sanjiv J Shah, Daniel C Lee, Sweta Gupta, Amy Shapiro, Paul Burridge, Asish K Ghosh, Douglas E Vaughan
Background -Fibrosis is the pathologic consequence of stress-induced tissue remodeling and matrix accumulation. Increased levels of plasminogen activator inhibitor type I (PAI-1) have been shown to promote fibrosis in multiple organ systems. Paradoxically, homozygous genetic deficiency of PAI-1 is associated with spontaneous age-dependent cardiac-selective fibrosis in mice. We have identified a novel PAI-1-dependent mechanism that regulates cardiomyocyte-derived fibrogenic signals and cardiac transcriptional pathways during injury...
June 6, 2017: Circulation
https://www.readbyqxmd.com/read/28583850/clinical-and-electrocardiographic-features-of-complete-heart-block-following-blunt-cardiac-injury-a-systematic-review-of-the-literature
#10
Hussam Ali, Francesco Furlanello, Pierpaolo Lupo, Sara Foresti, Guido De Ambroggi, Gianluca Epicoco, Lorenzo Semprini, Angelica Fundaliotis, Riccardo Cappato
The underlying mechanisms and temporal course of complete heart block (CHB) following blunt cardiac injuries (BCI) are poorly understood, and a systematic analysis of available data is lacking. In this systematic review, Pubmed was searched for publications of reported cases of CHB following BCI (CHB-BCI) analyzing clinical findings, electrocardiographic features, temporal course, and outcomes. Case reports on CHB-BCI were available for 50 patients, mainly secondary to traffic or sports accidents. A fatal outcome occurred in 20% of patients while a structural damage of the AV conductive system was evident in 50% of necropsy studies...
June 2, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28559425/fgf21-ameliorates-diabetic-cardiomyopathy-by-activating-the-ampk-paraoxonase-1-signaling-axis-in-mice
#11
Fan Wu, Baile Wang, Saisai Zhang, Lihua Shi, Yanfang Wang, Rongrong Xiong, Xuebo Pan, Fanghua Gong, Xiaokun Li, Zhuofeng Lin
Aims: The aim in present study is to explore the molecular mechanism of FGF21 against diabetic cardiomyopathy. Materials and methods: FGF21 deficient mice and wild type littermates were used to induce diabetic mice by treatment with streptozotocin/high-fat diet (STZ/HFD), and then evaluated the difference of diabetic cardiomyopathy between two types of mice. Otherwise, primary cultured cardiomyocytes were also used to explore the potential molecular mechanism of FGF21 against high glucose-induced cardiomyocyte injuries...
May 30, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28522833/parkin-regulation-of-chop-modulates-susceptibility-to-cardiac-endoplasmic-reticulum-stress
#12
Kim Han, Shahin Hassanzadeh, Komudi Singh, Sara Menazza, Tiffany T Nguyen, Mark V Stevens, An Nguyen, Hong San, Stasia A Anderson, Yongshun Lin, Jizhong Zou, Elizabeth Murphy, Michael N Sack
The regulatory control of cardiac endoplasmic reticulum (ER) stress is incompletely characterized. As ER stress signaling upregulates the E3-ubiquitin ligase Parkin, we investigated the role of Parkin in cardiac ER stress. Parkin knockout mice exposed to aortic constriction-induced cardiac pressure-overload or in response to systemic tunicamycin (TM) developed adverse ventricular remodeling with excessive levels of the ER regulatory C/EBP homologous protein CHOP. CHOP was identified as a Parkin substrate and its turnover was Parkin-dose and proteasome-dependent...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28487390/activation-of-the-amino-acid-response-pathway-blunts-the-effects-of-cardiac-stress
#13
Pu Qin, Pelin Arabacilar, Roberta E Bernard, Weike Bao, Alan R Olzinski, Yuanjun Guo, Hind Lal, Stephen H Eisennagel, Michael C Platchek, Wensheng Xie, Julius Del Rosario, Mohamad Nayal, Quinn Lu, Theresa Roethke, Christine G Schnackenberg, Fe Wright, Michael P Quaile, Wendy S Halsey, Ashley M Hughes, Ganesh M Sathe, George P Livi, Robert B Kirkpatrick, Xiaoyan A Qu, Deepak K Rajpal, Maria Faelth Savitski, Marcus Bantscheff, Gerard Joberty, Giovanna Bergamini, Thomas L Force, Gregory J Gatto, Erding Hu, Robert N Willette
BACKGROUND: The amino acid response (AAR) is an evolutionarily conserved protective mechanism activated by amino acid deficiency through a key kinase, general control nonderepressible 2. In addition to mobilizing amino acids, the AAR broadly affects gene and protein expression in a variety of pathways and elicits antifibrotic, autophagic, and anti-inflammatory activities. However, little is known regarding its role in cardiac stress. Our aim was to investigate the effects of halofuginone, a prolyl-tRNA synthetase inhibitor, on the AAR pathway in cardiac fibroblasts, cardiomyocytes, and in mouse models of cardiac stress and failure...
May 9, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28451014/role-of-h-fabp-values-in-determining-the-etiologic-factors-of-the-cardiac-injuries
#14
Guleser Akpinar, Ali Duman, Bedia Gulen, Mucahit Kapci, Ertugrul Altinbilek, Ibrahim Ikizceli
INTRODUCTION: Cardiac injury resulting from blunt thoracic trauma is a frequent clinical occurrence which is difficult to diagnose. Our purpose in this study was to research whether H-FABP, which is a new marker for the diagnosis of cardiac injury, can be used in this patient group. METHODS: 50 patients with blunt thoracic injury who were admitted to our emergency service within a period of 8 months and 50 cases as controls were included in our study. RESULTS: Of the 50 patients with blunt thoracic injury in our study, 88% were male while 12% were female...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28445175/traumatic-ventral-septal-defect-after-stab-wound-to-the-chest-missed-by-transthoracic-echocardiogram-a-case-report
#15
Abimbola O Faloye, Raphael Y Gershon
Traumatic ventral septal defect may be sustained after either blunt force or penetrating trauma to the chest. Severity ranges from asymptomatic to acute decompensated heart failure. Our patient suffered a stab wound to the chest and was initially taken to the operating room for repair of a lacerated right ventricle. Subsequent postoperative hemodynamic deterioration prompted a bedside transthoracic echocardiogram, which failed to identify causal factors. A transesophageal echocardiogram performed immediately after ventral septal defect was demonstrated...
April 25, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28444847/complement-dependence-of-murine-costimulatory-blockade-resistant-cellular-cardiac-allograft-rejection
#16
Nicholas Chun, Robert L Fairchild, Yansui Li, Jinhua Liu, Ming Zhang, William M Baldwin, Peter S Heeger
Building upon studies showing that ischemia/reperfusion-(IR)-injury is complement-dependent, we tested links among complement activation, transplant associated ischemia-reperfusion injury, and murine cardiac allograft rejection. We transplanted BALB/c hearts subjected to 8h cold ischemic storage (CIS) into CTLA4Ig-treated WT or c3(-/-) B6 recipients. Whereas allografts subjected to 8h CIS rejected in WT recipients with a median survival time (MST) of 37d, identically treated hearts survived >60d in c3(-/-) mice (p<0...
April 26, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28427001/emergency-room-thoracotomy-for-acute-traumatic-cardiac-tamponade-caused-by-a-blunt-cardiac-injury-a-case-report
#17
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...
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
#18
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
#19
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
#20
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
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