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Surgical Overview

Total Volume of Cardiothoracic Surgeries 2021 (N=3,991), 2022 (N=4,447) & 2023 (N=4,476)
In 2023, IJN surgeons performed a total of 4,476 cardiothoracic surgeries including:

  • Coronary Artery Bypass Grafting (CABG)
  • Congenital Heart Surgery
  • Heart valve repair and replacement
Open and Closed Heart Surgeries
In 2023, IJN surgeons performed 2,939 open heart surgeries and 1,268 closed heart surgeries:

  • Open Heart: CABG, Congenital Heart surgery, Heart valve repair and replacement, Aortic root surgery.
  • Closed Heart: Thoracic surgery, Vascular surgery, Patent Ductus Arteriosus (PDA) ligation, Blalock Taussig (BT) Shunt, Coarctation repair.
Cardiothoracic Surgeries by Category for 2023
Total No. of Cardiothoracic Surgeries
No Categories 2021 2022 2023
1 CABG 1,340 1,489 1,440
2 VALVE SURGERY 329 398 371
3 VALVE + CABG (COMBINE) 187 178 156
4 AORTIC SURGERY 342 418 418
5 CONGENITAL HEART SURGERY SIMPLE & COMPLEX 678 716 823
6 THORACIC SURGERY 145 204 179
7 SPECIALTY CASES + OTHERS 970 1,044 1,089
TOTAL 3,991 4,447 4,476
Risk Factors for Cardiac Surgeries (N = 5,951), 2021 – 2023

Patients with a complex medical background present greater challenges for cardiac surgery. Almost half the patients had diabetes mellitus at time of surgery, and more than two thirds had hypertension and hypercholesterolemia.

In 2023, patients who have had cardiac surgeries had more complex backgrounds than patients at comparable hospitals as evidenced by higher EuroSCORE – Parsonnet average risk scores.

Actual and Predicted Survival Rates for All Types of Open Heart Surgeries
All operations The survival rate for all open-heart surgery was 95.8% in 2023, which is better than the predicted survival rate estimated by the EuroSCORE and Parsonnet scoring system. Isolated Coronary Artery Bypass Grafting (CABG) The survival rate for isolated CABG surgery was 96.8% in 2023, which is better than the predicted survival rate estimated by the EuroSCORE and Parsonnet scoring system.
Mortality Rate for Isolated Mitral Valve Repair, 2021 to 2023 (Total no. of Isolated Mitral Valve Repair patient, N=131)
Mitral Valve Repair is preferred over valve replacement whenever suitable. We report that there was no death (mortality) for patients undergoing mitral valve repair from 2021 to 2023.
Mortality Rate for Ventricular Septal Defect (VSD) and related procedures, 2021 - 2023
VSD Closure is the commonest surgery for acyanotic congenital heart defects. The death (mortality) rate for simple VSD closure is 0.8% in 2023.
Mortality Rate for Tetralogy of Fallot (TOF) Correction and related procedures, 2021 - 2023
TOF correction is the most common surgery performed for cyanotic congenital heart defects. The death (mortality) rate for simple TOF correction is 1.3% in 2023.
Data validated by Quality Management, IJN
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