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Determinants of atrial fibrillation after cardiac surgery
Rev Cardiovasc Med. 2021 Jun 30;22(2):329-341. doi: 10.31083/j.rcm2202040.ABSTRACTPost-operative Atrial fibrillation (POAF) is a common complication post cardiac surgery. It can result in detrimental short- and long-term outcomes due to the increased risk of stroke, cardiac arrest and congestive heart failure in addition to prolonged intensive care and total hospital stay raising the overall healthcare cost. Accurately identifying predictors and biomarkers for POAF ensures that patients at greatest risk can be given the appropriate prophylactic measures; resources can be distributed to the groups who are most in need and w...
Source: Reviews in Cardiovascular Medicine - July 14, 2021 Category: Cardiology Authors: Mashal Qureshi Ammaarah Ahmed Victoria Massie Ellenor Marshall Amer Harky Source Type: research

Atrial Fibrillation in Hypertrophic Cardiomyopathy: Evidence-based Review About Mechanism, Complications and Management
Hypertrophic cardiomyopathy (HCM) is 1 of the most frequent genetic cardiovascular diseases affecting 1 out of every 500 individuals in general population. Atrial Fibrillation incidences were 3.8% per 100 patients per year and overall prevalence among HCM patients are 27.09%. Higher risk of death noted in HCM patients with atrial fibrillation. Stroke and other thrombo embolic risks are increased in such patients. Medical management using mainly betablockers or amiodarone produced variable results and high rate of recurrence. Catheter ablation reduced symptom burden and complications despite moderate recurrence. Patients wi...
Source: Critical Pathways in Cardiology - May 16, 2020 Category: Cardiology Tags: Review Article Source Type: research

Is Arterial Stiffness a Determinant of Hypotension?
ConclusionsHypotension is a quite common phenomenon in older subjects. Its prevention requires a more accurate management of hypertension aimed at better identifying which older subjects in whom intensive BP control may be harmful and those who may benefit from it.
Source: High Blood Pressure and Cardiovascular Prevention - May 7, 2020 Category: Cardiology Source Type: research

Comparison of continuous 24-h and 14-day monitoring for detection of otherwise unknown atrial fibrillation: a registry to identify Japanese concealed atrial fibrillation (REAL-AF)-based study
AbstractEarly detection of atrial fibrillation (AF) is desirable for preventing strokes. Not only does AF often go undetected in patients being followed up for various disease conditions, but the optimal detection method also remains to be elucidated. In a prospective observational study of 24-h Holter monitoring versus 14-day external loop recording performed for detection of previously undiagnosed AF in 868 Japanese outpatients (aged 75  ± 6 years), with a CHA2DS2-vasc score ≥ 1, but no prior AF episodes, AF was detected during the initial monitoring period in 16 (1.8%) patients, in 7 (1.1% [7/645]) by 24-h m...
Source: Heart and Vessels - November 5, 2019 Category: Cardiology Source Type: research

Clinical characteristics and cardiovascular outcomes in patients with atrial fibrillation receiving rhythm-control therapy: the Fushimi AF Registry
AbstractManagement of atrial fibrillation (AF) with current rhythm-control therapy has an uncertain impact on outcomes. Among 3731 patients in the Fushimi AF Registry, a community-based prospective survey of AF patients in Fushimi-ku, Kyoto, we investigated the characteristics and outcomes in 478 patients receiving rhythm-control therapy (anti-arrhythmic drug and/or catheter ablation) alone, with 1279 patients receiving rate-control therapy (beta-blockers, calcium channel blockers, and digoxin) alone serving as a reference. The Rhythm-control group, 26% of which had prior catheter ablation, was younger (70.5  ± 10.8 v...
Source: Heart and Vessels - May 24, 2018 Category: Cardiology Source Type: research

Effect of Preoperative Beta-Blocker Use on Outcomes Following Cardiac Surgery
Recent studies suggest that the use of preoperative β blockers in cardiac surgery may not provide improved mortality rates and may even contribute to negative clinical outcomes. We therefore assessed the role of β blockers on several outcomes after cardiac surgery (delirium, acute kidney injury [AKI], stroke, atrial fibrillation (AF), mortality, an d hospital length of stay) in 4,076 patients who underwent elective coronary artery bypass grafting, coronary artery bypass grafting + valve, or valve cardiac surgery from November 1, 2009, to September 30, 2015, at Vanderbilt Medical Center.
Source: The American Journal of Cardiology - July 24, 2017 Category: Cardiology Authors: Jason B. O'Neal, Frederic T. Billings, Xulei Liu, Matthew S. Shotwell, Yafen Liang, Ashish S. Shah, Jesse M. Ehrenfeld, Jonathan P. Wanderer, Andrew D. Shaw Source Type: research

Beta-Blocker Use Is Associated With Impaired Left Atrial Function in Hypertension Hypertension
BackgroundImpaired left atrial (LA) mechanical function is present in hypertension and likely contributes to various complications, including atrial arrhythmias, stroke, and heart failure. Various antihypertensive drug classes exert differential effects on central hemodynamics and left ventricular function. However, little is known about their effects on LA function.Methods and ResultsWe studied 212 subjects with hypertension and without heart failure or atrial fibrillation. LA strain was measured from cine steady‐state free‐precession cardiac MRI images using feature‐tracking algorithms. In multivariable models adju...
Source: JAHA:Journal of the American Heart Association - February 3, 2017 Category: Cardiology Authors: Sardana, M., Syed, A. A., Hashmath, Z., Phan, T. S., Koppula, M. R., Kewan, U., Ahmed, Z., Chandamuri, R., Varakantam, S., Shah, E., Gorz, R., Akers, S. R., Chirinos, J. A. Tags: Atrial Fibrillation, Hypertension, Magnetic Resonance Imaging (MRI) Original Research Source Type: research

Gender Discrepancy in Diabetic Patients Hospitalized With Heart Failure: Does Age Matter?
Conclusions: In DHF, female gender is characterized by having a high prevalence of metabolic syndrome components. Also, females are more likely to have better Left ventricular ejection fraction but less likely to receive cardiovascular evidence based medications. There is no significant difference in the overall hospital mortality between both genders, however, in the younger age; males have a significantly higher mortality.
Source: Critical Pathways in Cardiology - August 2, 2016 Category: Cardiology Tags: Original Studies Source Type: research

Pulmonary Hypertension due to Radiofrequency Catheter Ablation (RFCA) for Atrial Fibrillation: The Lungs, the Atrium or the Ventricle?
Atrial fibrillation is the most common heart rhythm disorder affecting around 2.5 million people in United States. It is characterised by rapid and irregular beating of both the atria resulting in the similar ventricular response. It is associated with the risk of stroke and heart failure resulting in increased morbidity and mortality [1]. The treatment of atrial fibrillation involves rate control with ant-arrhythmic drugs like beta blockers, digoxin and amiodarone. Cardioversion is recommended in case of haemodynamic instability or after failure of pharmacological therapies.
Source: Heart, Lung and Circulation - July 15, 2016 Category: Cardiology Authors: Isha Verma, Hemantkumar Tripathi, Rutuja Rajanikant Sikachi, Abhinav Agrawal Tags: Review Source Type: research

Clinical presentation, management, and outcomes in the Indian Heart Rhythm Society-Atrial Fibrillation (IHRS-AF) registry
Conclusions In India, AF patients are younger and RHD is still the most frequent etiology. Almost two-third of the patients have persistent/permanent AF. At one-year follow-up, there is a significant mortality and morbidity in AF patients in India.
Source: Indian Heart Journal - July 10, 2016 Category: Cardiology Source Type: research

Prevalence of atrial fibrillation in an urban population in India: the Nagpur pilot study
Conclusions The prevalence of AF was low compared with other regions of the world and stroke prophylaxis was underused. A larger study is needed to confirm these findings. This study demonstrates that larger evaluations would be feasible using the community-based techniques employed here.
Source: Heart Asia - April 17, 2016 Category: Cardiology Authors: Saggu, D. K., Sundar, G., Nair, S. G., Bhargava, V. C., Lalukota, K., Chennapragada, S., Narasimhan, C., Chugh, S. S. Tags: Original research Source Type: research

Relationship between HRV measurements and demographic and clinical variables in a population of patients with atrial fibrillation
Abstract Little is known about the role of HRV in atrial fibrillation (AF) patients. Aim of our study was to assess the relationship between HRV measurements and demographic and clinical variables in a population of 274 AF patients. We selected all consecutive patients with persistent/permanent AF among whom had performed a Holter ECG in our Department from April 2010 to April 2015. Time-domain analysis of HRV was evaluated. Demographic and clinical variables were collected for each patient. At multivariable logistic regression, a higher pNN50 was associated with ACE inhibitors/ARBs (p = 0.016) and a lower pNN50...
Source: Heart and Vessels - March 3, 2016 Category: Cardiology Source Type: research

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