{"version":"1.0","provider_name":"Dr. Abhinav Sharma","provider_url":"https:\/\/drabhinavcardiacsurgeon.com\/blogs","author_name":"drabhinavsharma","author_url":"https:\/\/drabhinavcardiacsurgeon.com\/blogs\/author\/drabhinavsharma\/","title":"Heart Blockages and Bypass Surgery: When Is Surgery Recommended? - Dr. Abhinav Sharma","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"I6MJm2vACK\"><a href=\"https:\/\/drabhinavcardiacsurgeon.com\/blogs\/bypass-surgery-doctor-in-faridabad\/\">Heart Blockages and Bypass Surgery: When Is Surgery Recommended?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/drabhinavcardiacsurgeon.com\/blogs\/bypass-surgery-doctor-in-faridabad\/embed\/#?secret=I6MJm2vACK\" width=\"600\" height=\"338\" title=\"&#8220;Heart Blockages and Bypass Surgery: When Is Surgery Recommended?&#8221; &#8212; Dr. Abhinav Sharma\" data-secret=\"I6MJm2vACK\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/drabhinavcardiacsurgeon.com\/blogs\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/drabhinavcardiacsurgeon.com\/blogs\/wp-content\/uploads\/2026\/09\/634dd107-1f9e-4b64-a7e7-2e784615c173.jpg","thumbnail_width":1536,"thumbnail_height":1024,"description":"Heart blockages are a common consequence of coronary artery disease (CAD), a condition in which plaque gradually builds up inside the arteries that supply blood to the heart. As the arteries become narrowed, the heart may not receive enough oxygen-rich blood, particularly during physical activity. Not every heart blockage requires bypass surgery. Depending on the severity and location of the blockage, treatment may include lifestyle changes, medications, angioplasty, stenting, or surgery. However, when coronary artery disease is extensive or complex, coronary artery bypass grafting (CABG), commonly known as bypass surgery, may be recommended. Understanding when bypass surgery is needed, how doctors evaluate heart blockages, what the procedure involves, and what recovery looks like can help patients make informed decisions about their treatment. What Causes Heart Blockages? Heart blockages usually develop because of atherosclerosis, a condition in which fatty deposits, cholesterol, calcium, and other substances accumulate within the walls of the coronary arteries. Several factors can increase the risk of coronary artery disease, including: Over time, plaque can become larger and restrict blood flow through the artery. In some cases, a plaque may rupture and contribute to the formation of a blood clot, potentially causing a heart attack. What Symptoms Can Heart Blockages Cause? Some people with coronary artery disease may have no obvious symptoms, while others develop symptoms when the heart requires more blood and oxygen. Common symptoms can include: Symptoms can vary considerably from one person to another. New, severe, or persistent chest discomfort, particularly when accompanied by breathlessness, sweating, nausea, or fainting, requires urgent medical evaluation. How Are Heart Blockages Diagnosed? Before deciding on treatment, a cardiologist evaluates the patient&#8217;s symptoms, medical history, risk factors, and heart function. Depending on the situation, investigations may include: ECG An electrocardiogram records the electrical activity of the heart and can provide information about heart rhythm and certain signs of previous or ongoing heart problems. Echocardiogram An echocardiogram uses ultrasound to evaluate the heart&#8217;s structure and pumping function. Stress Testing In selected patients, stress testing can help determine how the heart responds to increased physical demand. Coronary Angiography Coronary angiography is an important investigation for understanding the location and severity of coronary artery blockages. It can help the cardiac team determine whether treatment with medication, angioplasty, or bypass surgery may be appropriate. Additional imaging or laboratory tests may also be recommended based on the patient&#8217;s condition. When Is Bypass Surgery Recommended? One of the most common questions patients ask after being diagnosed with heart blockages is: \u201cDo I need bypass surgery?\u201d The answer depends on several factors. Bypass surgery may be considered when the coronary arteries have significant or complex disease that is unlikely to be adequately treated with medication or angioplasty alone. CABG may be recommended in situations such as: The decision should be individualized. A patient with several blockages does not automatically require bypass surgery, just as the number of blockages alone does not determine the best treatment. Your cardiologist and cardiac surgeon may review your angiography, heart function, symptoms, medical history, and other health conditions before recommending the most appropriate treatment. Bypass Surgery or Angioplasty: Which Is Better? Bypass surgery and angioplasty are different approaches to treating coronary artery disease. Angioplasty, often performed with stent placement, uses a catheter to open a narrowed coronary artery and improve blood flow. Bypass surgery, or CABG, creates an alternative route around the blocked section of a coronary artery using a healthy blood vessel graft. Neither treatment is universally better for every patient. The appropriate option depends on the patient&#8217;s coronary anatomy, number and location of blockages, diabetes status, heart function, previous treatments, and overall health. For complex or extensive coronary artery disease, bypass surgery may offer important advantages in appropriately selected patients. What Is Coronary Artery Bypass Grafting (CABG)? CABG is a surgical procedure designed to create a new pathway for blood to reach the heart muscle. During the procedure, the surgeon uses a healthy blood vessel from another part of the body, such as the chest, arm, or leg, and connects it beyond the blocked portion of the coronary artery. This new pathway allows blood to flow around the blockage. The type of graft and surgical technique used depends on the patient&#8217;s condition and the surgeon&#8217;s assessment. Different Approaches to Bypass Surgery Modern cardiac surgery offers several techniques, and the appropriate approach depends on the patient&#8217;s anatomy and medical requirements. Off-Pump Bypass Surgery In off-pump, or beating-heart bypass surgery, CABG is performed while the heart continues to beat rather than using a heart-lung bypass machine. It may be considered for selected patients based on their coronary anatomy and overall health. Total Arterial CABG (BIMA Bypass) Total Arterial CABG uses arterial grafts for bypasses. In selected patients, both internal mammary arteries may be used, known as bilateral internal mammary artery (BIMA) bypass. The suitability of this technique depends on individual patient factors. Minimally Invasive Cardiac Surgery Minimally Invasive Cardiac Surgery (MICS) uses smaller surgical access points for selected cardiac procedures. Not every patient is a candidate for a minimally invasive approach. The surgical team determines suitability after evaluating the patient&#8217;s condition and the procedure required. Bypass Surgery Doctor in Faridabad: What Should You Consider? If you have been diagnosed with significant coronary artery disease or have been advised to undergo CABG, choosing an experienced bypass surgery doctor in Faridabad is an important part of planning your treatment. A cardiac surgeon evaluates your angiography, heart function, medical history, previous cardiac procedures, and other health conditions before recommending an appropriate surgical approach. Dr. Abhinav Sharma, Cardio-thoracic &amp; Vascular Surgeon, provides surgical treatment for coronary artery disease and a range of cardiac, thoracic, and vascular conditions. His cardiac surgical services include: The most suitable treatment and surgical technique are determined after a detailed evaluation of each patient&#8217;s condition. How to Prepare for Bypass Surgery If CABG has been recommended, your medical team will provide specific instructions before surgery. Preparation may involve: Medical Evaluation You may undergo blood tests, ECG, echocardiography, chest imaging, coronary angiography,"}