Abstract
Aim of the Work: To study the in-hospital outcome of right ventricular involvement (RVI) in patients with acute inferior myocardial infarction (AIMI). Material and Methods: We conducted a short prospective study carried out on 60 patients with AIMI, classified into two groups; patients group: AIMI with RVI; inferior or infroposterior acute myocardial infarction (AMI) with ≥ 0.1 mV V4R elevation, and control group: AIMI without RVI; inferior or infroposterior AMI without ≥ 0.1 mV V4R elevation. We followed up both groups during their hospital stay and compared both groups regarding development of complications and mortality. Results: Patients with RVI in AIMI had more admission hyperglycaemia (268.80 ± 81.88 mg/dl vs. 219.80 ± 98.40 mg/dl, P value = 0.003), less incidence of complete ST elevation resolution (STR) (60.8% vs. 80.6%, p value = 0.032), more arrhythmic complications (3rd heart block [HB]: 6.7% vs. 0.0%, p value = 0.042, atrial fibrillation [AF]: 10.0% vs. 2.0%, p value = 0.036). Conclusions: Patients with RVI in AIMI had worse in-hospital outcome than patients without RVI in the form of more admission hyperglycemia, less incidence of complete STR and more arrhythmic complications.
Highlights
About 30% to 50% of patients with acute inferior myocardial infarction (AIMI) have right ventricular involvement (RVI) [1]
Significant RVI is presented with hypotension, elevated jugular venous pulse (JVP), and occasionally shock, all in the presence of clear lung fields [2]
We conducted an observational study with control group, carried out on 60 patients with acute myocardial infarction (AMI) admitted in internal medicine department CCU at Assiut University Hospital, between January 2016 and May 2016
Summary
About 30% to 50% of patients with AIMI have RVI [1]. Significant RVI is presented with hypotension, elevated jugular venous pulse (JVP), and occasionally shock, all in the presence of clear lung fields [2]. The ST-segment elevation in the right precordial leads (V4R) of the Electrocardiograph (ECG) of ≥ 0.1 mV is a documented sign for diagnosis of RVI [3]. The outcome of RV involvement in AIMI patients was not extensively studied and need more thorough follow up. The aim of this study was to study the outcome of RV involvement in AIMI patients
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