November 11, 2013Pacing and Clinical Electrophysiology

Infarct Characteristics by CMR Identifies Substrate for Monomorphic VT in Post‐MI Patients with Relatively Preserved Systolic Function and ns‐VT

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Why the study?

Does ce-CMR scar characterization predict ventricular arrhythmia inducibility in post-MI patients with LVEF 40-50% and ns-VT?

Population

n=28 post-myocardial infarction patients with a left ventricular ejection fraction between 40% and 50% and…

Design

Cohort

Authors

KYKıvanç YalınIstanbul University-Cerrahpaşa EGEbru GölcükBalıkesir University HBHakan BuyukbayrakTeknoloji Arastirma ve Gelistirme Endustriyel Urunler Bilisim Teknolojileri San Tic

Discussion

Member takes

Implication

ce-CMR scar metrics may refine VT risk stratification in post-MI LVEF 40-50% patients; hypothesis-generating and requires prospective validation before guiding therapy.

Structured PICO

Does ce-CMR scar characterization predict ventricular arrhythmia inducibility in post-MI patients with LVEF 40-50% and ns-VT?

Population

n=28 post-myocardial infarction (post-MI) patients with a left ventricular ejection fraction between 40% and 50% and nonsustained ventricular tachycardia who underwent programmed ventricular stimulation (PVS) for risk stratification.

Intervention

Cine and gadolinium-enhanced cardiac magnetic resonance imaging (ce-CMR) performed before PVS to quantify total scar (TS), dense scar (DS), and peri-infarct zone (PIZ).

Outcome

Inducibility of monomorphic ventricular tachycardia during programmed ventricular stimulation.surrogate

In post-MI patients with mildly reduced LVEF and ns-VT, higher peri-infarct zone and total scar percentages on ce-CMR independently predict monomorphic VT inducibility.

Cite This Study

Yalın et al. (2013) studied this question.

synapsesocial.com/papers/6a813a22176d2ce031660d64 https://doi.org/10.1111/pace.12289

Topics

Ventricular arrhythmias Cardiac MRI

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Implication

ce-CMR scar metrics may refine VT risk stratification in post-MI LVEF 40-50% patients; hypothesis-generating and requires prospective validation before guiding therapy.

Infarct Characteristics by CMR Identifies Substrate for Monomorphic VT in Post‐MI Patients with Relatively Preserved Systolic Function and ns‐VT

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Topics

Infarct Characteristics by CMR Identifies Substrate for Monomorphic VT in Post‐MI Patients with Relatively Preserved Systolic Function and ns‐VT

Discussion

Member takes

Implication

Structured PICO

Cite This Study

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Topics

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