Difference Between Open Heart Surgery and Bypass Surgery
                     Welcome to Felix 
Hospital Greater Noida
Welcome to Felix Hospital Greater Noida, where cutting-edge 
cardiac care and compassionate expertise unite to safeguard your 
heart health.
Understanding Heart 
Surgeries
Open Heart Surgery Bypass Surgery
Broad procedure for Specific surgery to 
complex heart repairs, restore blood flow, done 
used in 15% of cases. in 60% of heart surgeries.
Greater Noida Context
1 in 8 adults face heart issues; 20% seek clarity on surgeries.
What Is Open Heart Surgery?
Procedure Purpose Impact
Chest opened via sternum, heart Fix valves, transplants, or Helps 85% regain heart function; 
paused with heart-lung machine. congenital defects in 15% of cases. lifeline for 10% with severe issues.
At the Best Cardiology Hospital in Greater Noida, our expert team clearly explains the difference between open 
heart surgery and bypass surgery to help you make informed treatment decisions.
What Is Bypass Surgery?
Focus Prevalence
Restores blood flow by Used in 60% of heart 
bypassing clogged arteries. surgeries, helps 90% 
breathe easier.
Method
Uses healthy vessel to reroute blood around blockages.
Key Differences Between Surgeries
Scope Heart-Lung Machine Recovery
Open heart: broad repairs; Bypass: Used in 80% of bypass cases; Open heart: 6–12 weeks; Bypass: 
focused on arteries. optional in open heart surgery. 4–8 weeks for most patients.
When Is Each Surgery 
Needed?
Open Heart Surgery Bypass Surgery
For valve faults, For 
congenital defects, or coronary artery disease 
damaged heart tissue. causing blockages and 
chest pain.
Diagnostics
Angiograms guide treatment in 90% of cases for 95% success.
Recovery Expectations
Hospital Stay
Open heart: 5–7 days; Bypass: 4–6 days for most patients.
Full Recovery
Open heart: 6–12 weeks; Bypass: 4–8 weeks to resume light work.
Lifestyle
Rest, light exercise, healthy diet adopted by 85% of patients.
Stress Management
Meditation and walks help, as stress slows healing for 20%.
Why Understanding 
Matters
Empowerment Early Action
Knowing differences helps In Greater Noida, early care 
ask right questions and saves 80% of heart patients.
reduce fear.
Informed Choices
Use online research and reviews to find trusted cardiac specialists.