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Towards a greater understanding of the ductus arteriosus.
Reese J
(2018) Semin Perinatol 42: 199-202
MeSH Terms: Cardiovascular Surgical Procedures, Ductus Arteriosus, Ductus Arteriosus, Patent, History, 15th Century, History, 20th Century, History, Ancient, Humans, Infant, Newborn, Infant, Premature, Perinatology
Added November 26, 2018
0 Communities
1 Members
0 Resources
10 MeSH Terms
Contemporary management of tricuspid regurgitation: an updated clinical review.
Taylor JT, Chidsey G, Disalvo TG, Byrne JG, Maltais S
(2013) Cardiol Rev 21: 174-83
MeSH Terms: Adrenergic beta-Antagonists, Cardiovascular Surgical Procedures, Disease Management, Heart-Assist Devices, Humans, Incidence, Tricuspid Valve, Tricuspid Valve Insufficiency
Show Abstract · Added May 27, 2014
Tricuspid regurgitation (TR) is a complex and insidious valvular pathology that represents a complex decision and management algorithm for patients. TR is present in a significant proportion of the population and is especially prevalent in patients with advanced heart failure. Patients with TR have been demonstrated to have a decreased survival even with normal left heart function. TR can be a result of pathology that directly affects the valvular structure (i.e., Ebstein anomaly) or as a result of increased forward pressures (ie, pulmonary hypertension, left heart failure). Conservative management of patients with TR is primarily symptomatic relief. Definitive therapy involves surgical repair of the tricuspid valve. Furthermore, as more patients develop advanced heart failure, the management of TR in patients with left ventricular assist devices has become necessary because of the evidence of increased in-hospital morbidity and a trend toward decreased survival.
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8 MeSH Terms
Fish oil and postoperative atrial fibrillation: the Omega-3 Fatty Acids for Prevention of Post-operative Atrial Fibrillation (OPERA) randomized trial.
Mozaffarian D, Marchioli R, Macchia A, Silletta MG, Ferrazzi P, Gardner TJ, Latini R, Libby P, Lombardi F, O'Gara PT, Page RL, Tavazzi L, Tognoni G, OPERA Investigators
(2012) JAMA 308: 2001-11
MeSH Terms: Aged, Atrial Fibrillation, Cardiovascular Surgical Procedures, Dietary Supplements, Double-Blind Method, Fatty Acids, Omega-3, Female, Fish Oils, Humans, Male, Middle Aged, Odds Ratio, Risk, Treatment Outcome
Show Abstract · Added March 26, 2014
CONTEXT - Postoperative atrial fibrillation or flutter (AF) is one of the most common complications of cardiac surgery and significantly increases morbidity and health care utilization. A few small trials have evaluated whether long-chain n-3-polyunsaturated fatty acids (PUFAs) reduce postoperative AF, with mixed results.
OBJECTIVE - To determine whether perioperative n-3-PUFA supplementation reduces postoperative AF.
DESIGN, SETTING, AND PATIENTS - The Omega-3 Fatty Acids for Prevention of Post-operative Atrial Fibrillation (OPERA) double-blind, placebo-controlled, randomized clinical trial. A total of 1516 patients scheduled for cardiac surgery in 28 centers in the United States, Italy, and Argentina were enrolled between August 2010 and June 2012. Inclusion criteria were broad; the main exclusions were regular use of fish oil or absence of sinus rhythm at enrollment.
INTERVENTION - Patients were randomized to receive fish oil (1-g capsules containing ≥840 mg n-3-PUFAs as ethyl esters) or placebo, with preoperative loading of 10 g over 3 to 5 days (or 8 g over 2 days) followed postoperatively by 2 g/d until hospital discharge or postoperative day 10, whichever came first.
MAIN OUTCOME MEASURE - Occurrence of postoperative AF lasting longer than 30 seconds. Secondary end points were postoperative AF lasting longer than 1 hour, resulting in symptoms, or treated with cardioversion; postoperative AF excluding atrial flutter; time to first postoperative AF; number of AF episodes per patient; hospital utilization; and major adverse cardiovascular events, 30-day mortality, bleeding, and other adverse events.
RESULTS - At enrollment, mean age was 64 (SD, 13) years; 72.2% of patients were men, and 51.8% had planned valvular surgery. The primary end point occurred in 233 (30.7%) patients assigned to placebo and 227 (30.0%) assigned to n-3-PUFAs (odds ratio, 0.96 [95% CI, 0.77-1.20]; P = .74). None of the secondary end points were significantly different between the placebo and fish oil groups, including postoperative AF that was sustained, symptomatic, or treated (231 [30.5%] vs 224 [29.6%], P = .70) or number of postoperative AF episodes per patient (1 episode: 156 [20.6%] vs 157 [20.7%]; 2 episodes: 59 [7.8%] vs 49 [6.5%]; ≥3 episodes: 18 [2.4%] vs 21 [2.8%]) (P = .73). Supplementation with n-3-PUFAs was generally well tolerated, with no evidence for increased risk of bleeding or serious adverse events.
CONCLUSION - In this large multinational trial among patients undergoing cardiac surgery, perioperative supplementation with n-3-PUFAs, compared with placebo, did not reduce the risk of postoperative AF. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT00970489.
1 Communities
1 Members
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14 MeSH Terms
Risk factor interactions and genetic effects associated with post-operative atrial fibrillation.
Motsinger AA, Donahue BS, Brown NJ, Roden DM, Ritchie MD
(2006) Pac Symp Biocomput : 584-95
MeSH Terms: Adult, Atrial Fibrillation, Cardiovascular Surgical Procedures, Case-Control Studies, Computational Biology, Humans, Interleukin-6, Length of Stay, Models, Statistical, Pharmacogenetics, Postoperative Complications, Risk Factors
Show Abstract · Added December 10, 2013
Postoperative Atrial Fibrillation (PoAF) is the most common arrhythmia after heart surgery, and continues to be a major cause of morbidity. Due to the complexity of this condition, many genes and/or environmental factors may play a role in susceptibility. Previous findings have shown several clinical and genetic risk factors for the development of PoAF. The goal of this study was to determine whether interactions among candidate genes and a variety of clinical factors are associated with PoAF. We applied the Multifactor Dimensionality Reduction (MDR) method to detect interactions in a sample of 940 adult subjects undergoing elective procedures of the heart or great vessels, requiring general anesthesia and sternotomy or thoracotomy, where 255 developed PoAF. We took a random sample of controls matched to the 255 AF cases for a total sample size of 510 individuals. MDR is a powerful statistical approach used to detect gene-gene or gene-environment interactions in the presence or absence of statistically detectable main effects in pharmacogenomics studies. We chose polymorphisms in three (IL-6, ACE, and ApoE) candidate genes, all previously implicated in PoAF risk, and a variety of environmental factors for analysis. We detected a single locus effect of IL-6 which is able to correctly predict disease status with 58.8% (p<0.001) accuracy. We also detected an interaction between history of AF and length of hospital stay that predicted disease status with 68.34% (p<0.001) accuracy. These findings demonstrate the utility of novel computational approaches for the detection of disease susceptibility genes. While each of these results looks interesting, they only explain part of PoAF susceptibility. It will be important to collect a larger set of candidate genes and environmental factors to better characterize the development of PoAF. Applying this approach, we were able to elucidate potential associations with postoperative atrial fibrillation.
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12 MeSH Terms