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BackgroundThis study examines the anatomical characteristics of the mitral isthmus (MI) and its spatial relationship with the esophagus in patients undergoing atrialfibrillation ablation, using cardiovascular computed tomographic angiography (CTA).
Degenerative mitral valve disease is common. Up to a quarter of patients with degenerative mitral valve disease may be asymptomatic despite having severe valve regurgitation. Efforts should focus on establishing high-volume regional centres of excellence for mitral valve repair.
(MedPage Today) -- The Apple Watch atrialfibrillation feature got added to FDA's list of qualified devices for use in clinical studies. Mashable) The SGLT2 inhibitor ertugliflozin (Steglatro) showed promise for the reduction of functional mitral.
Background Mitral valve repair (MVr) is the gold standard treatment for degenerative mitral regurgitation, yet there is ongoing controversy regarding optimal anti-thrombotic therapy post-MVr. The RCT found edoxaban was non-inferior to warfarin for thromboembolic outcomes, but not for bleeding.
When atrialfibrillation (AF) begins, it can start with a single focus, degenerating to multiple wavelets, and it spreads throughout the entire surface area of both atria. A fibrillatory wave that occurs at a rate of more than 600 beats per minute can cause fatigue in the long run, leading to atrial dilation.
Whether this association is present in calcific mitral stenosis remains unknown.Methods and ResultsThis study was a retrospective analysis of consecutive patients with mitral stenosis secondary to mitral annular calcification (MAC) undergoing transseptal catheterization. Median diastolic mitral valve gradient was 9.4±3.4
Atrialfibrillation (AF) is commonly associated with cardiac structural abnormalities including mitral regurgitation (MR). Contemporary guidelines recommend consideration of early rhythm control strategies including catheter ablation (CA) for AF.
Severe secondary mitral regurgitation carries a poor prognosis with one in five patients dying within 12 months of diagnosis. Optimal guideline-directed medical therapy is the mainstay therapy and has been shown to reduce the severity of mitral regurgitation in 40–45% of patients. to reduce heart failure hospitalisation and 5.9
This study aimed to identify the risk factors for postoperative atrialfibrillation in patients with valvular atrialfibrillation, and establish predictive models of atrialfibrillation recurrence.
Abstract Introduction Some previous studies have reported that a first-step ethanol infusion into the vein of Marshall (EIVOM) with touch-up radiofrequency (RF) ablation can facilitate mitral isthmus (MI) block and improves the ablation outcomes in persistent atrialfibrillation (PeAF) patients.
Percutaneous balloon mitral valvotomy (PBMV) is a good and preferred therapy choice over surgical commissurotomy for patients with rheumatic mitral stenosis (MS). A successful PBMV helps to tolerate hemodynamic changes during pregnancy and dramatically reduces mortality.
Atrialfibrillation (AF), a common cardiac arrhythmia, often results in significant atrial remodeling, including atrial cardiomyopathy and dilatation. Notably, aFMR is linked to a higher recurrence rate of AF after catheter ablation.
BACKGROUND:Patients with only moderate atrial secondary mitral regurgitation (asMR) frequently develop heart failure (HF). Although mild/moderate primary mitral regurgitation is compensated by left ventricular (LV) dilatation, the LV is not dilated in asMR. Circulation: Cardiovascular Imaging, Ahead of Print.
milla1cf Mon, 01/08/2024 - 14:35 January 8, 2024 — University Hospitals (UH) Harrington Heart & Vascular Institute recently became the first center in the world to implant Medtronic’s Penditure Left Atrial Appendage (LAA) Exclusion System through a minimally invasive approach during a mitral valve repair procedure. on November 27.
Mitral annular flutter is the most common left atrial macro-reentrant arrhythmia following catheter ablation of atrialfibrillation (AF). The best ablation approach for this arrhythmia remains unclear.
Background Postoperative atrialfibrillation (POAF) is a frequent complication that may increase morbidity and mortality risk following cardiac surgery. Six studies involved coronary artery bypass grafting (CABG) surgery; one encompassed various cardiac procedures, and another focused solely on mitral valve surgery.
Pulsed-field ablation (PFA) using a pentaspline catheter could safely, effectively, and rapidly treat patients with persistent atrialfibrillation (AF), achieving not only PVI but also left atrial posterior wall (LAPW) and mitral isthmus (MI) ablation.
BackgroundMultimorbidity is common among patients with atrialfibrillation (AF) and is associated with worse outcomes. Multimorbidity was defined as 2 comorbidities (heart failure, hypertension, diabetes, coronary heart disease, kidney dysfunction, moderate or severe mitral valve regurgitation, or obesity).
The development of AF is an indication for surgical mitral valve replacement in patients with severe mitral regurgitation. However, some patients only experience arrhythmia episodes without other indications, such as decreased ejection fraction or heart failure.
BackgroundMitral valve transcatheter edgetoedge repair (MTEER) has emerged as a viable therapy option in patients with severe mitral regurgitation and high surgical risk. Journal of the American Heart Association, Ahead of Print. The primary end point was a composite of ischemic cerebrovascular and bleeding events.
Prognostic impact of severe tricuspid regurgitation (TR) in patients with atrial functional mitral regurgitation (AFMR). Abstract Aims Tricuspid regurgitation (TR) is often seen in patients with atrial functional mitral regurgitation (AFMR). in severe AFMR.
However, its clinical, functional and prognostic implications have not been thoroughly explored in secondary mitral regurgitation (SMR). We sought to describe the implications of severe atrial dilation (SAD) in SMR. Patients with SADMR were older, less females and had more diabetes, but similar rates of atrialfibrillation.
Commonly employed empiric strategies for catheter ablation (CA) of refractory atrialfibrillation (AF) beyond pulmonary vein isolation (PVI) include posterior wall isolation (PWI), linear ablation involving left atrial (LA) roof and mitral lines, as well as targeting of areas of low voltage / myopathy.
Background This present study aimed to investigate the impact of left atrial appendage (LAA) isolation on adverse clinical outcomes, with a further stratified analysis by biatrial (BA) and left atrial lesion sets, in patients with atrialfibrillation (AF) undergoing surgical ablation (SA) concurrent with mitral valve (MV) surgery.
Background:Anticoagulation is the standard treatment for the majority of patients with atrialfibrillation (AF) to reduce the risk of stroke. In addition, those with stroke, mitral or aortic valve surgery prior to AF were excluded. Of these 13,649 had no stroke, mitral or aortic surgery prior to the AF diagnosis.
Methods and Results This case report discusses a 65-year-old man who had previously undergone pulmonary vein isolation (PVI) and cavo-tricuspid isthmus ablation for atrialfibrillation before ASD closure, respectively. He developed atrial tachycardia (AT) and underwent catheter ablation.
Pulmonary vein isolation (PVI) is the cornerstone of atrialfibrillation (AF) ablation for which the left atrium (LA) is usually accessed by the antegrade femoral venous route and transseptal puncture. However, in rare cases, alternative routes must be used to overcome anatomical challenges (congenital or acquired).
Abstract Objective To evaluate the progression of electrophysiological phenomena in atrialfibrillation (AF) and elucidate the association between the left atrial conduction velocity (LACV) and AF recurrence after pulmonary vein isolation. 05; posterior: 1.037 [0.991, 1.084] vs. 1.315 [1.249, 1.380] m/s, p < .05;
VHD incidence was determined using International Classification of Disease-10 codes for aortic stenosis (AS), aortic regurgitation (AR), mitral stenosis, mitral regurgitation (MR) and mitral valve prolapse. Clinical correlates of VHD included demographics, coronary artery disease, heart failure and atrialfibrillation.
Left untreated, tricuspid regurgitation can lead to atrialfibrillation , heart failure , kidney disease and even death. For example, the mitral valve can be repaired with a catheter-based system. Severe tricuspid regurgitation is a debilitating condition that is associated with substantial morbidity,” said Jason H.
Publication date: Available online 18 October 2023 Source: The American Journal of Cardiology Author(s): Adnan Halboni, Mohammad Hamza, John Dayco, Abdallah Al-Abcha, Abdallah Alhalbouni, Mohamed Zghouzi, Rashid Alhusain, Yasar Sattar, M. Chadi Alraies
Echocardiographic assessment of left ventricular diastolic function with special reference on diastolic function assessment in atrialfibrillation. Doppler interrogation of mitral valve is usually done from the apex through the apical four chamber view. This is a type of pseudo normalization of the mitral flow pattern.
We investigated whether estimated perimitral conduction time (E-PMCT), namely, twice the time between coronary sinus (CS) pacing and the ensuing wave-front collision at the opposite side of the mitral annulus, correlated with the cycle length of PMAT and could predict future PMAT.
ACS QID 75345 In 2017, the New England Journal of Medicine published the results of the Dual Antithrombotic Therapy with Dabigatran after PCI in AtrialFibrillation (RE-DUAL PCI) trial. Severe mitral stenosis C. Acute mitral regurgitation E. Acute mitral regurgitation. Click here to view larger image.
Abstract Introduction Persistent left superior vena cava (PLSVC) is one of the major sources of triggers and drivers of atrialfibrillation (AF). There has been no established PLSVC ablation procedure to eliminate the arrhythmogenicity along the entire length of PLSVC.
Among these, a fistula between the left anterior descending artery and the pulmonary artery is the rarest variant, comprising about 17% of all coronary artery fistula cases.Case:A 54-year-old male, with a known history of atrialfibrillation and hypertension, presented to our emergency department with non-rotatory dizziness.
million suffer from long-term complications including heart failure, atrialfibrillation, stroke and infective endocarditis. RHD is the most commonly acquired heart disease for people under 25 years old and over 1.2
This study aimed to elucidate the advantages and limitations of atrial pacing maps. The wavefront collision site shifted in 3/20 (15%) between SR and SN-P600, remaing within 30 along the mitral annulus, but this shift reached 9/20 (45%) between SR and SN-P300, including one patient showing a shift up to 60. mV for SR vs. 2.3
ABSTRACT Background Ethanol infusion into the vein of Marshall (EI-VOM) is an adjunctive therapy to pulmonary vein isolation (PVI), which improves the efficacy of persistent atrialfibrillation (AF) ablation procedures. It is unknown how EI-VOM scar formation impacts left atrium (LA) structure and function.
Introduction:The morphology and blood stasis of the left atrial appendage (LAA) in tandem with disorganized conduction in atrialfibrillation (AF) creates favorable conditions for thrombus formation. Circulation, Volume 150, Issue Suppl_1 , Page A4146286-A4146286, November 12, 2024.
Abstract Background Despite the potential benefits of ethanol infusion into the vein of Marshall (EIVOM) for atrialfibrillation (AF) ablation, concerns about its reversible and unpredictable effects persist. Methods We included 142 AF patients. EIVOM was performed before radiofrequency ablation, and low-voltage areas (<0.5 mV)
We present a case of subarachnoid hemorrhage (SAH) due to SCS lead migration into the subdural space.MethodsAn 81‐year‐old female patient with a past medical history of heart failure, atrialfibrillation and a mechanical mitral valve, presents with a severe headache and right hemiparesis.
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