Bashir Ahmed, Khalil Ahmed Shaikh, Jehangir Ali Shah, Rajesh Kumar, Kamran Ahmed Khan, Mahesh Kumar Batra, Ambreen Nisar, Tahir Saghir, Nadeem Qamar.
Left Ventricular End-Diastolic Pressure and Extent of Coronary Artery Disease in patients Undergoing Primary Percutaneous Coronary Intervention.
Pak Heart J Nov ;56(3):231-7.

Objectives: This study aimed to assess the association of left ventricular end-diastolic pressure (LVEDP) with the extent and severity of coronary artery diseases (CAD) in individuals undergoing primary percutaneous coronary intervention (PCI) at a tertiary care cardiac center in Karachi, Pakistan. Methodology: This descriptive cross-sectional study included consecutive patients undergoing primary PCI. LVEDP was assessed with the help of a multipurpose catheter. The Association of LVEDP with the extent and severity of CAD was assessed. Results: LVEDP was stratified as ≤15 mmHg, 15-25 mmHg, and >25 mmHg. Out of 498 patients included in this study, 76.3% (380) were male, and mean age was 53.7±11.7 years. Mean LVEDP was 19.35±6.17 mmHg. Burden of diseases was found to be significantly associated with LVEDP level (p<0.001) with mean LVEDP of 18.5±5.6 mmHg, 19.5±6 mmHg, and 21.4±7.2 mmHg among patients with single, two and three-vessel disease respectively. Proportion of three-vessel diseases was 15.5% (37/239), 22.5% (47/209), and 36% (18/50) at LVEDP ≤15 mmHg, 15-25 mmHg, and >25 mmHg, respectively. Conclusion: There was a strong inverse relationship between LVEDP and initial TIMI flow grade (p=0.013) and a positive relationship between LVEDP and total length of the lesion (p=0.002). In conclusion, increased LVEDP was found to be associated with increased burden and extent of coronary artery disease, poor initial TIMI flow grade, and longer length of lesion.

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