Health Condition 1: I251- Atherosclerotic heart disease of native coronary artery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients scheduled for elective isolated off-pump coronary artery bypass graft (CABG) surgery. Sinus rhythm on preoperative electrocardiogram. Adequate transthoracic echocardiographic windows for strain analysis. Written informed consent.
Exclusion criteria
Exclusion criteria: On-pump CABG surgery. Combined valve and off-pump CABG surgery. Previous cardiac surgery. Severe mitral or aortic valve disease (moderate-severe or severe). Congenital heart disease. Severe left ventricular dysfunction (Ejection fraction less than 30 percent). Severe pulmonary hypertension (Pulmonary Artery Systolic Pressure more than 60 mmHg). Severe renal dysfunction. (eGFR less than 30ml/min/1.73m2) Poor echocardiographic image quality precluding strain analysis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Mean percentage change in left atrial strain parameters from preoperative baseline to postoperative day 7 2.Timepoint: Baseline (T0) and Postoperative Day 7 2 (T2). | — |
Secondary
| Measure | Time frame |
|---|---|
| Relationship between preoperative LA strain parameters and preoperative TEE-based diastolic dysfunction grading.Timepoint: Baseline (T0) and Postoperative Day 7 2 (T2).;Incidence of postoperative atrial fibrillation (POAF).Timepoint: Baseline (T0) and Postoperative Day 7 2 (T2).;Incidence of low cardiac output syndrome (LCOS) requiring inotropic support.Timepoint: Baseline (T0) and Postoperative Day 7 2 (T2).;Incidence of acute kidney injury (AKI) stratified by KDIGO stage.Timepoint: Baseline (T0) and Postoperative Day 7 2 (T2).;Incidence of prolonged mechanical ventilation, defined as requirement exceeding 24 hours.Timepoint: Baseline (T0) and Postoperative Day 7 2 (T2).;30-day in-hospital mortality rate.Timepoint: 30 days following the surgical procedure. | — |
Countries
India
Contacts
Govind Ballabh Pant Institute of Postgraduate Medical Education and Research, New Delhi