Documentation of impaired coronary blood flow by TIMI frame count method in patients with atrial fibrillation

Luo, Can; Wu, Xing; Huang, Zhibin; Du, Zhimin; Yuantao, Hao; Huang, Yong; Gao, Xiuren

doi:10.1016/j.ijcard.2012.03.118

Cited by 20 publications

(12 citation statements)

References 26 publications

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“…Our previous study further validated these findings by demonstrating that, in patients without obstructive coronary artery disease, those with AF have significantly higher TFC for all three coronary vessels compared to non-AF subjects [1]. These findings could provide a plausible explanation for the frequently observed typical angina pectoris symptoms accompanied with cardiac troponin Values are given as number of patients (%) or mean ± SD.…”

supporting

confidence: 74%

Predictive value of coronary blood flow for future cardiovascular events in patients with atrial fibrillation

Luo¹,

Wang²,

Chen³

et al. 2014

International Journal of Cardiology

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supporting

confidence: 74%

Predictive value of coronary blood flow for future cardiovascular events in patients with atrial fibrillation

Luo¹,

Wang²,

Chen³

et al. 2014

International Journal of Cardiology

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“…Luo et al 2013 examined coronary blood flow by Thrombolysis in Myocardial Infarction (TIMI) frame count (TFC) in patients with AF and sinus rhythm (SR). They found that AF was independently associated with a higher TFC, indicating poorer blood flow even when controlled for heart rate [20]. Other studies in our search reported a greater proportion of NSTEMI events in patients with AF compared with patients in sinus rhythm [21–25].…”

Section: Atrial Fibrillation As a Risk Factor For Acute Coronary Syndmentioning

confidence: 74%

A Review of the Relationship of Atrial Fibrillation and Acute Coronary Syndrome

Kea

Alligood

Manning

et al. 2016

Curr Emerg Hosp Med Rep

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Atrial fibrillation (AF) is the most common arrhythmia encountered by clinicians. Clinical decision-making focuses on reducing ischemic stroke risk in AF patients; however, AF is also associated with an increased risk of acute coronary syndromes (ACS). Patients with ACS and concurrent AF are less likely to receive appropriate therapies and more likely to experience adverse outcomes than ACS patients in sinus rhythm (SR). Clinicians may be able to stratify ACS patients at increased risk of AF development based on clinical characteristics. Evidence supporting specific therapeutic options for prevention of ACS in AF patients or for prevention of AF in ACS patients is limited, however there is some evidence of differing effects among oral anticoagulant regimens in these populations. Investigations of the relationship of AF with the full spectrum of ACS are not well described and should be the focus of future research.

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“…For the TFC measurement, the moment when the contrast agent touched both sides of the coronary artery and begun to move forward was chosen as the starting point; and as the endpoint, the moment when the contrast agent reached the so-called moustache point was chosen for the left anterior descending (LAD); the moment when the rst side branch arises in posterior lateral artery was chosen for the right coronary artery (RCA); and the moment when distal bifurcation of the longest branch was displayed was chosen for the left circum ex artery (Cx). Since LAD lasts longer, the measured value was standardized via dividing by 1.7 [21,22]. e mean of TFC for each participant was calculated by dividing the sum of the TFCs of LAD (corrected), LCX, and RCA by 3.…”

Section: Coronary Angiography and Documentation Of The Timi Framementioning

confidence: 99%

Effect of Coronary Slow Flow on Intrinsicoid Deflection of Qrs Complex

Seyis

2018

The American Journal of Cardiology

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Coronary slow ow is a rare, clinically important entity observed in acute coronary syndrome. e pathophysiological mechanism is not fully elucidated. We investigated patients with chest pain who had angiographic features consistent with the coronary slow ow. One hundred ten patients were included. Electrocardiography, echocardiography, and angiography results were retrospectively noted. e mean age was 56.4. Fifty-eight were male, and fty-two were female. e control group consisted of patients with normal angiography. Patients had higher diastolic blood pressure, lower mean ejection fraction, higher average left ventricular end-diastolic diameter, and higher mean left atrial size than the control group (p � 0.009, p � 0.017, p � 0.041, and p < 0.001, resp.). Patients had higher average V1 ID, V6 ID, P wave dispersion, TFC LAD, TFC Cx, TFC RCA, and TFC levels than the control group. A signi cant linear positive relationship was found between the V1 ID and the TFC LAD, TFC Cx, TFC RCA, and TFC; also between the V6 ID and the TFC LAD, TFC Cx, TFC RCA, and TFC. Angiographic and electrocardiographic features are suggestive and diagnostic for the coronary slow ow syndrome. Although when regarded as a benign condition, coronary slow ow should be diagnosed, followed up, and treated as many of laboratory features suggest ischemic events.

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Documentation of impaired coronary blood flow by TIMI frame count method in patients with atrial fibrillation

Cited by 20 publications

References 26 publications

Predictive value of coronary blood flow for future cardiovascular events in patients with atrial fibrillation

Predictive value of coronary blood flow for future cardiovascular events in patients with atrial fibrillation

A Review of the Relationship of Atrial Fibrillation and Acute Coronary Syndrome

Effect of Coronary Slow Flow on Intrinsicoid Deflection of Qrs Complex

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