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Surgical Overview

Total Volume of Cardiothoracic Surgeries 2019 (N=4,348), 2020 (N=4,161) & 2021 (N=3,991)

In 2021, IJN surgeons performed a total of 3,991 cardiothoracic surgeries including:
  • Coronary Artery Bypass Grafting (CABG)
  • Congenital Heart Surgery
  • Heart valve repair and replacement
Open and Closed Heart Surgeries

In 2021, IJN surgeons performed 2,879 open heart surgeries and 1,112 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

Risk Factors for Cardiac Surgeries 2019 – 2021 (N = 6289)

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 2021, 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 94.7% in 2021, which is better than the predicted survival rate estimated by the Parsonnet scoring system.





Isolated Coronary Artery Bypass Grafting (CABG) The survival rate for isolated CABG surgery was 95.9% in 2021, which is better than the predicted survival rate estimated by the Parsonnet scoring system.



Mortality Rate for Isolated Mitral Valve Repair, 2019 to 2021 (Total no. of Isolated Mitral Valve Repair patient, N = 154)
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 2019 to 2021.





Mortality Rate for Ventricular Septal Defect (VSD) and related procedures, 2019 to 2021
VSD Closure is the commonest surgery for acyanotic congenital heart defects. The death (mortality) rate for simple VSD closure is 0% in 2021.

Mortality Rate for Tetralogy of Fallot (TOF) Correction and related procedures, 2019 to 2021


TOF correction is the most common surgery performed for cyanotic congenital heart defects. The death (mortality) rate for simple TOF correction is 0% in 2021.

Data validated by Quality Management, IJN
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