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Cardiac insufficiency

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https://www.readbyqxmd.com/read/28329461/cardiac-function-after-tetralogy-of-fallot-complete-atrioventricular-canal-repair
#1
Elizabeth H Stephens, Jennifer Tingo, Marc Najjar, Betul Yilmaz, Stéphanie Levasseur, Jeffrey D Dayton, Ralph S Mosca, Paul Chai, Jan M Quaegebeur, Emile A Bacha
BACKGROUND: Repair of complete atrioventricular canal (CAVC) with tetralogy of Fallot (TOF) is a challenging operation increasingly being performed as a complete, primary repair in infancy. Previous studies have focused on perioperative outcomes; however, midterm valve function, ventricular function, and residual obstruction have received little attention. METHODS: We retrospectively reviewed 20 patients who underwent CAVC/TOF repair (January 2005 to December 2014)...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28329164/large-animal-model-of-functional-tricuspid-regurgitation-in-pacing-induced-end-stage-heart-failure
#2
Marcin Malinowski, Alistair G Proudfoot, David Langholz, Lenora Eberhart, Michael Brown, Hans Schubert, Jeremy Wodarek, Tomasz A Timek
OBJECTIVES: Functional tricuspid regurgitation (FTR) is common in patients with advanced heart failure and frequently complicates left ventricular assist device implantation yet remains poorly understood. We set out to establish large animal model of FTR that could serve as a research platform to investigate the pathogenesis of FTR associated with end-stage heart failure. METHODS: : Through right thoracotomy, ten adult sheep underwent implantation of pacemaker with epicardial LV lead, five sonomicrometry crystals on the right ventricle, and left and right ventricular telemetry pressure sensors during a beating heart off-pump procedure...
February 21, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28328860/ventilation-during-cardiopulmonary-bypass-for-prevention-of-respiratory-insufficiency-a-meta-analysis-of-randomized-controlled-trials
#3
Dongmei Chi, Chan Chen, Yu Shi, Wanyu Wang, Ye Ma, Ronghua Zhou, Hai Yu, Bin Liu
BACKGROUND: Cardiopulmonary bypass (CPB) is necessary for most cardiac surgery, which may lead to postoperative lung injury. The objective of this paper is to systematically evaluate whether ventilation during CPB would benefit patients undergoing cardiac surgery. METHODS: We searched randomized controlled trials (RCTs) through PubMed, Embase, and Cochrane Library from inception to October 2016. Eligible studies compared clinical outcomes of ventilation versus nonventilation during CPB in patients undergoing cardiac surgery...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328585/mechanical-support-with-impella-during-malignant-arrhythmia-ablation-a-case-report-on-the-growing-trend-in-the-electrophysiology-laboratory
#4
Adam C Adler, Ramesh Kodavatiganti
Congenitally corrected transposition of the great arteries is a rare form of congenital heart disease in which the persistence of the right ventricle as the systemic ventricle leads to heart failure, tricuspid valve insufficiency, and arrhythmia. Supraventricular arrhythmias are especially common in these patients. We discuss the anesthetic management of a 33-year-old patient with congenitally corrected transposition of the great arteries who required a ventricular assist device to maintain cardiac output during ablation of supraventricular tachyarrythmia...
March 17, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28325353/renal-artery-stenosis-when-to-revascularize-in-2017
#5
Jose D Tafur, Christopher J White
Atherosclerotic renal artery stenosis is the leading cause of secondary hypertension; it can also cause progressive renal insufficiency and cardiovascular complications such as refractory heart failure and flash pulmonary edema. Medical therapy including risk factor modification, renin-angiotensin-aldosterone system antagonists, lipid lowering agents, and antiplatelet therapy is the first line of treatment in all patients. Patients with uncontrolled renovascular hypertension despite optimal medical therapy, ischemic nephropathy, and cardiac destabilization syndromes who have severe renal artery stenosis are likely to benefit from renal artery revascularization...
April 2017: Current Problems in Cardiology
https://www.readbyqxmd.com/read/28314080/brain-natriuretic-peptide-and-right-heart-dysfunction-after-heart-transplantation
#6
REVIEW
Samy Talha, Anne Charloux, François Piquard, Bernard Geny
Heart transplantation (HT) should normalize cardiac endocrine function but brain natriuretic peptide (BNP) levels remain elevated after HT, even in the absence of left ventricular haemodynamic disturbance or allograft rejection. Right ventricle (RV) abnormalities are common in HT recipients (HTx), as a result of engraftment process, tricuspid insufficiency and/or repeated inflammation due to iterative endomyocardial biopsies. RV function follow-up is vital for patient management since RV dysfunction is a recognized cause of in-hospital death and is responsible for a worse prognosis...
March 17, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28304253/ventricular-parasystole-in-a-neonatal-rhesus-macaque-macaca-mulatta
#7
Dalis E Collins, Brandy L Dozier, Jeffrey J Stanton, Lois Ma Colgin, Rhonda MacAllister
A 6-d-old Indian-origin female rhesus macaque (Macaca mulatta) presented with bradycardia shortly after sedation with ketamine. No other cardiac abnormalities were apparent. Approximately 2 wk after the initial presentation, the macaque was again bradycardic and exhibited a regularly irregular arrhythmia on a prestudy examination. ECG, echocardiography, blood pressure measurement, SpO2 assessment, and a CBC analysis were performed. The echocardiogram and bloodwork were normal, but the infant was hypotensive at the time of echocardiogram...
December 1, 2016: Comparative Medicine
https://www.readbyqxmd.com/read/28302548/availability-use-and-barriers-to-cardiac-rehabilitation-in-lmic
#8
Loheetha Ragupathi, Judy Stribling, Yuliya Yakunina, Valentin Fuster, Mary Ann McLaughlin, Rajesh Vedanthan
BACKGROUND: Cardiac rehabilitation (CR) is a cornerstone of secondary prevention of ischemic heart disease. It is critically important in low- and middle-income countries (LMIC), where the burden of ischemic heart disease is substantial and growing. However, the availability and utilization of CR in LMIC is not systematically known. OBJECTIVES: This study sought to characterize the availability, use, and barriers to the use of CR. METHODS: Electronic databases (Cochrane Library, EMBASE, PubMed, Web of Science) were searched from January 1, 1980 to May 31, 2013 for articles on CR in LMIC...
March 13, 2017: Global Heart
https://www.readbyqxmd.com/read/28299809/bedside-screening-with-the-use-of-pocket-size-imaging-device-can-be-useful-for-ruling-out-carotid-artery-stenosis-in-patients-scheduled-for-cardiac-surgery
#9
Dominika Filipiak-Strzecka, Jarosław D Kasprzak, Ewa Szymczyk, Paulina Wejner-Mik, Piotr Lipiec
BACKGROUND: Patients (pts) scheduled for coronary artery bypass grafting, burdened with high risk of carotid stenosis, are recommended to undergo duplex ultrasonography (DUS) of carotid arteries. PURPOSE: To validate pocket-size imaging device (PSID) equipped with linear probe as an easily accessible tool enabling bedside screening for carotid artery stenosis (CAS). METHODS: A total of 100 pts (60 men, mean age 69±11 years) with multivessel coronary artery disease underwent bedside DUS of carotid arteries with the use of PSID performed by a cardiology resident trained in DUS...
March 16, 2017: Echocardiography
https://www.readbyqxmd.com/read/28298372/what-is-the-evidence-that-the-tissue-doppler-index-e-e-reflects-left-ventricular-filling-pressure-changes-after-exercise-or-pharmacological-intervention-for-evaluating-diastolic-function-a-systematic-review
#10
REVIEW
Oleg F Sharifov, Himanshu Gupta
BACKGROUND: Noninvasive echocardiographic tissue Doppler assessment (E/e') in response to exercise or pharmacological intervention has been proposed as a useful parameter to assess left ventricular (LV) filling pressure (LVFP) and LV diastolic dysfunction. However, the evidence for it is not well summarized. METHODS AND RESULTS: Clinical studies that evaluated invasive LVFP changes in response to exercise/other interventions and echocardiographic E/e' were identified from PubMed, Scopus, Embase, and Cochrane Library databases...
March 15, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28296531/risk-factors-associated-with-acute-kidney-injury-in-a-cohort-of-20-575-arthroplasty-patients
#11
Pyry Jämsä, Esa Jämsen, Leo-Pekka Lyytikäinen, Jarkko Kalliovalkama, Antti Eskelinen, Niku Oksala
Background and purpose - Patients developing postoperative acute kidney injury (AKI) are at risk of higher morbidity and mortality. In arthroplasty patients, many pre- and perioperative factors are associated with AKI but some of the risk factors are unclear. We report the incidence of postoperative AKI, the conditions associated with it, and survival rates in AKI patients. Patients and methods - We obtained data from 20,575 consecutive hip or knee arthroplasties. Postoperative AKI, occurring within 7 days after the operation, was defined using the risk, injury, failure, loss, and end-stage (RIFLE) criteria...
March 15, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28295517/a-giant-aneurysm-of-noncoronary-sinus-of-valsalva-concomitant-with-aortic-regurgitation-and-mitral-regurgitation
#12
Yi Luo, Zhi Fang, Wei Meng
Aneurysms of the sinus of Valsalva (ASV) are rare, with an incidence ranging from 0.1% to 3.5% of all congenital cardiac defects and a prevalence of 0.009% in an autopsy series.ASVs occur much more frequently in the right coronary sinus of Valsalva. Previous reports, based on necropsy and cardiac surgery findings, estimated that 20% of ASVs are unruptured. Patients with an unruptured ASV may remain asymptomatic for a long period of time until rupture. They may also presented with dyspnea, palpitation, and angina-like chest pain...
March 14, 2017: Echocardiography
https://www.readbyqxmd.com/read/28294432/should-we-treat-severe-vasovagal-syncope-with-a-pacemaker
#13
REVIEW
R Sutton
Cardiac pacing for vasovagal syncope (VVS) addresses the cardioinhibitory component of the reflex but cannot directly affect vasodepression, which occurs in every reflex even when hidden by dominant cardioinhibition. The randomized controlled trials of pacing in VVS have, after almost 2 decades, determined that a small number of patients can benefit because their vasodepressor component is not severe. Early studies compared pacing with no therapy yielding highly significant benefits. Subsequently, all study patients had implanted devices with half being switched off...
March 14, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28294148/mitigation-effect-of-proanthocyanidin-on-secondary-heart-injury-in-rats-caused-by-mechanical-trauma
#14
Shuo Ma, Chong Chen, Tingting Cao, Yue Bi, Jicheng Zhou, Xintao Li, Deqin Yu, Shuzhuang Li
Multiple organ dysfunctional syndrome secondary to mechanical trauma (MT) has attracted considerable research attention. The heart is one of the most important organs of the body, and secondary cardiac insufficiency caused by MT seriously affects the quality of life. This study aims to investigate whether proanthocyanidin can alleviate myocardial injury and improve heart function in the process of MT leading to secondary cardiac insufficiency. Noble-Collip drum wasused to prepare MT model in rats. And myocardial apoptosis index was calculated after TUNEL staining...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28293551/timely-pulmonary-valve-replacement-may-allow-preservation-of-left-ventricular-circumferential-strain-in-patients-with-tetralogy-of-fallot
#15
Barbara E U Burkhardt, Marí Nieves Velasco Forte, Saravanan Durairaj, Isma Rafiq, Israel Valverde, Animesh Tandon, John Simpson, Tarique Hussain
INTRODUCTION: Patients with Tetralogy of Fallot (TOF) and pulmonary insufficiency and a dilated right ventricle (RV) may suffer from a reduction in left ventricular (LV) performance. It is not clear whether timely pulmonary valve replacement (PVR) preserves LV mechanics. METHODS: Ten TOF patients who underwent PVR were identified from hospital records, and pre- and postoperative cardiac magnetic resonance images were post-processed with a semi-automatic tissue tracking software...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28290886/-the-insufficiency-type-of-metabolic-balance-and-nutritional-status-in-patient-with-heart-failure
#16
A G Obrezan, S A Spitsa
A lot of data has been accumulated at present on the metabolic and nutritional insufficiency in patients with chronic heart failure (CHF). Researchers have noted an actuality of the study of nutritional and metabolic insufficiency in CHF patients as independent factors affecting the course of CHF and because of its relationship with triggers of inflammation, sympathetic-adrenal system, and markers of functional state of the cardiovascular system (CVS). In some works attention has been given to relationship of nutritional and metabolic insufficiency with autonomic regulation of cardiac rhythm...
August 2016: Kardiologiia
https://www.readbyqxmd.com/read/28290834/-the-time-course-of-formation-of-systolic-dysfunction-of-the-heart-in-doxorubicin-cardiomyopathy
#17
V L Lakomkin, A A Abramov, V V Gramovich, O N Vyborov, E V Lukoshkova, V V Ermishkin, V I Kapelko
The anthracycline-induced cardiomyopathy is a frequent and menacing complication of antitumor therapy leading to chronic heart failure. A study of the formation of heart failure can reveal early signs of the development of systolic dysfunction of the heart. In this work in rats we studied cardiac function at different duration of doxorubicin treatment, the most effective anthracycline antibiotic. Cumulative doses of doxorubicin were 8-20 mg/kg, and the term of study lasted from 6 to 20 weeks. The echocardiography and catheterization of the left ventricle (LV) have been use...
January 2017: Kardiologiia
https://www.readbyqxmd.com/read/28283844/long-term-survival-and-cardiopulmonary-outcome-in-children-with-hurler-syndrome-after-haematopoietic-stem-cell-transplantation
#18
Su Han Lum, Karolina M Stepien, Arunabha Ghosh, Alexander Broomfield, Heather Church, Jean Mercer, Simon Jones, Robert Wynn
Premature death in untreated children with Hurler syndrome (HS) in the first decade of life is largely due to life-threatening cardiopulmonary complications. We examined the long-term survival and cardiopulmonary outcome in 54 children undergoing haematopoietic stem cell transplantation (HSCT) at the Royal Manchester Children's Hospital from 1985 to 2008. The median age at first HSCT was 15.1 months. Eighteen had graft failure and nine died after first HSCT. Of 18 patients with graft failure, 17 underwent second HSCT and the remaining one was lost to follow-up (LOF)...
March 10, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28283422/importance-of-compensatory-heart-rate-increase-during-myocardial-ischemia-to-preserve-appropriate-oxygen-kinetics
#19
Sadamitsu Yoshida, Hitoshi Adachi, Makoto Murata, Junichi Tomono, Shigeru Oshima, Masahiko Kurabayashi
BACKGROUND: Myocardial ischemia induces cardiac dysfunction, resulting in insufficient oxygen supply to peripheral tissues and mismatched energy production during exercise. To relieve the insufficient oxygen supply, heart rate (HR) response is augmented; however, beta-adrenergic receptor blockers (BB) restrict HR response. Although BB are essential drugs for angina pectoris, the effect of BB on exercise tolerance in patients with angina has not been studied. The aim of this study was to clarify the importance of HR augmentation to preserve exercise tolerance in patients with angina pectoris...
March 7, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28283005/-comparison-of-maldi-tof-and-16s-rrna-methods-in-identification-of-viridans-group-streptococci
#20
Serap Süzük Yıldız, Banu Kaşkatepe, Salih Altınok, Mustafa Çetin, Alper Karagöz, Sümeyra Savaş
Accurate identification of viridans group streptococci (VGS) frequently encountered as a causative agent of infective endocarditis is always a challenge for the clinical microbiology laboratory. Clinical microbiology laboratories generally use semi automatic/full automatic systems, molecular methods and also conventional methods for the identification of these bacteria. There are recent published studies that have used MALDI-TOF (Matrix Assisted Laser Ionization Mass Spectrometry-Time of Flight) systems in the identification of VGS...
January 2017: Mikrobiyoloji Bülteni
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