Intraventricular conduction defects in acute myocardial infarction. What is the influence of primary coronary angioplasty on their prognosis?

Bordalo, Álvaro D.B.; Bordalo-Sá, A.L.; Correia, M. R. S.; Ribeiro, Carlos; Diogo, António Nunes

doi:10.15761/vdt.1000146

Cited by 1 publication

(1 citation statement)

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“…The study by Bordalo et al showed that the prevalence of diabetes was 56% in RBBB compared to 36% in RBBB free patients, and death rates were also significantly higher with new-onset RBBB in people with diabetes. 17 Although the length of stay was found to be significantly associated with death, the duration of having symptoms was not. This implies that early treatment of myocardial infarction is extremely important in preserving myocardium, regardless of the time duration of symptoms, which is a subjective evaluation of the patient and can be misleading in many cases.…”

Section: Discussionmentioning

confidence: 93%

In-Hospital Outcomes of Patients Presenting with Acute Anterior STEMI with Right Bundle Branch Block

Zameer

Kashif²,

Perveez³

et al. 2022

PAFMJ

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Objective: To assess the in-hospital outcomes in Anterior wall ST Elevation Myocardial Infarction patients presenting with Right Bundle Branch Block with different reperfusion strategies. Study Design: Analytical Cross-Sectional Study. Place and Duration of Study: Department of Cardiology, Rawalpindi Institute of Cardiology, Rawalpindi Pakistan, from Sep 2020 to Feb 2021. Methodology: Patients with myocardial infarction who presented to the emergency department of the hospital were included in the study. Further evaluation was performed on individuals with ST elevation in anterior chest leads and new-onset or presumably new Right bundle branch block on electrocardiogram. Anterior wall myocardial infarction was diagnosed based on 4th universal definition of Myocardial infarction. Patients excluded were those with non-anterior ST-elevation myocardial infarction, prior coronary artery bypass grafting, previous percutaneous coronary intervention, or Left bundle branch block.The treatment plan was chosen by the interventional cardiologist. Various parameters were used to measure the outcomes ofdifferent therapies. Results: 93 patients were included with 72(77.4%) males and 21 females (22.5%). Mean age was 59.91±11.93 years. Premorbid seen was 41.9% diabetes, 32.3% hypertension, 18.3% smoking. Transient RBBB was seen in 64.5% of the study population and persistence RBBB was 35.5%. Mortality was associated with higher Killip class (p=<0.001), AV block (p=0.078), increased no of coronary vessels involved (p=0.014), increased amplitude of ST elevation (p=0.083) and with lower EF values (p=0.032). Worst outcomes were common in patients on medical treatment. Conclusion: Poor outcomes in Anterior Wall Myocardial Infarction with Right Bundle Branch Block are linked to length ofstay, co morbidities, Killip class, amplitude of ST elevation, coronary artery disease complexity and those managed on medicaltreatment.

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Section: Discussionmentioning

confidence: 93%