Results for "congenital heart defect"
Cardiac Surgery
** Cardiac surgery is a specialized field of operative medicine that repairs or replaces structures of the heart and great vessels to treat life‑threatening cardiovascular disease. **CONTENT:** ## Overview Cardiac surgery, also called **cardiovascular surgery**, encompasses any operative procedure performed on the heart itself or the major vessels attached to it. Modern cardiac surgeons employ a range of techniques—from traditional **open‑heart surgery** with cardiopulmonary bypass to minimally invasive and robot‑assisted approaches—to address conditions such as **ischemic heart disease**, **congenital heart defects**, and **valvular heart disease** caused by infection, rheumatic fever, or atherosclerosis. The ultimate goal is to restore adequate blood flow, correct structural abnormalities, and improve long‑term survival and quality of life. Because the heart is a vital organ that cannot be stopped for long periods, most procedures require sophisticated equipment, including a heart‑lung machine that temporarily takes over circulation and oxygenation. In recent decades, advances such as **off‑pump coronary artery bypass grafting (OPCAB)**, **transcatheter aortic valve replacement (TAVR)**, and **hybrid operating rooms** have expanded the therapeutic armamentarium, allowing many patients to avoid full sternotomy and prolonged recovery. Nevertheless, any cardiac operation carries inherent risks—bleeding, infection, arrhythmias, stroke, and organ dysfunction—so patients should always discuss the benefits and alternatives with a qualified cardiac surgeon and seek immediate medical attention for any postoperative warning signs (e.g., chest pain, shortness of breath, fever, or wound drainage). ## History/Background The roots of cardiac surgery trace back to the early 19th century, when surgeons such as **Ludwig Rehn** performed the first successful **intracardiac repair** (a ventricular wound) in 1896. The field truly accelerated after **John Gibbon** introduced the first practical **cardiopulmonary bypass (CPB) machine** in 1953, enabling surgeons to stop the heart safely for complex repairs. The landmark operation by **C. Walton Lillehei** in 1954—performing the first successful **cross‑clamp** repair of a ventricular septal defect—demonstrated that the heart could be opened and reconstructed. The 1960s saw the birth of **coronary artery bypass grafting (CABG)**, pioneered by **Vidal** and **Favaloro**, which remains a cornerstone for treating coronary artery disease. The first **heart transplant** was performed by **Christiaan Barnard** in 1967, opening a new era of organ replacement. Throughout the 1970s and 1980s, improvements in CPB circuitry, myocardial protection (e.g., cardioplegia), and postoperative care reduced mortality dramatically—from >30 % in the 1950s to <5 % by the 1990s. The 21st century has been defined by **minimally invasive** and **percutaneous** techniques, such as **TAVR** (first FDA approval in 2011) and **robotic mitral valve repair**, which broaden eligibility to older and higher‑risk patients. ## Key Information - **Procedural categories:** - *Coronary revascularization* (CABG, OPCAB, hybrid PCI‑CABG). - *Valve surgery* (aortic, mitral, tricuspid repair or replacement; mechanical vs. bioprosthetic valves). - *Congenital repairs* (tetralogy of Fallot, atrial septal defect closure, Fontan procedure). - *Aortic surgery* (ascending aortic aneurysm repair, dissection repair, endovascular stent grafting). - *Transplantation* (orthotopic heart transplant, ventricular assist device implantation). - **Technological advances:** - **Off‑pump** techniques reduce inflammatory response and neurocognitive complications. - **Hybrid operating rooms** combine surgical and catheter‑based tools for simultaneous procedures. - **Robotics** (e.g., Da Vinci system) enable precise, small‑incision valve repairs. - **3‑D printing** of patient‑specific cardiac models assists pre‑operative planning. - **Outcomes:** Modern centers report 30‑day mortality rates of 1–3 % for isolated CABG and 2–5 % for valve replacements, with median survival extending beyond 10 years for most elective cases. - **Risks & postoperative care:** Common complications include atrial fibrillation, wound infection, renal insufficiency, and postoperative cognitive decline. Early mobilization, strict glycemic control, and adherence to anticoagulation regimens (especially for mechanical valves) are critical. Patients should promptly contact their surgical team if they experience chest discomfort, palpitations, fever, or swelling at the incision site. ## Significance Cardiac surgery has transformed cardiovascular disease from an often fatal condition into a manageable chronic illness for millions worldwide. By restoring blood flow to the myocardium, repairing defective valves, and correcting congenital malformations, these operations dramatically reduce mortality, alleviate symptoms, and enable patients to return to productive lives. The field also drives innovation in biomedical engineering, perfusion science, and critical care, influencing disciplines far beyond the operating theater. Moreover, the success of heart transplantation and mechanical circulatory support has paved the way for organ‑replacement strategies in other systems. As the global burden of heart disease rises with aging populations, cardiac surgery remains a cornerstone of modern health care, underscoring the importance of continued research, training, and equitable access to these life‑saving procedures. **INFOBOX:** - Name: Cardiac Surgery (Cardiovascular Surgery) - Type: Surgical specialty within medicine - Date: Modern era began 1953 (introduction of cardiopulmonary bypass) - Location: Performed worldwide in tertiary hospitals and specialized cardiac centers - Known For: Restoring coronary blood flow, repairing heart valves, correcting congenital defects, and performing heart transplantation **TAGS:** cardiac surgery, cardiovascular disease, coronary artery bypass, valve replacement, heart transplantation, congenital heart defect, minimally invasive surgery, cardiopulmonary bypass
Health & MedicineConditions Encyclopedia Entry 1777167188
Atrial Septal Defect (ASD) is a congenital heart defect characterized by an abnormal opening in the wall (septum) between the heart's two upper chambers (atria), allowing blood to flow between them.
Health & MedicineConditions Encyclopedia Entry 1775640364
Atrial Septal Defect (ASD) is a congenital heart defect characterized by an abnormal opening in the wall between the heart's two upper chambers, leading to abnormal blood flow and potential complications.
Health & MedicineConditions Encyclopedia Entry 1779145384
** Atrial septal defect (ASD) is a congenital heart defect characterized by an abnormal opening in the wall between the heart's two upper chambers (atria), allowing blood to flow between them. **CONTENT:** ### Overview Atrial septal defect (ASD) is a relatively common congenital heart defect that affects approximately 1 in 2,000 births. It occurs when there is an abnormal opening in the septum, the wall of tissue that separates the heart's two upper chambers (atria). This opening allows blood to flow between the atria, disrupting the normal flow of blood through the heart. ASDs can be classified into three main types: ostium secundum, ostium primum, and sinus venosus. ASDs can cause a range of symptoms, including shortness of breath, fatigue, and palpitations. In some cases, individuals with ASDs may not experience any symptoms at all, and the condition may only be discovered during a routine physical examination or imaging test. However, if left untreated, ASDs can lead to complications such as heart failure, arrhythmias, and pulmonary hypertension. ### History/Background The first recorded description of ASDs dates back to the 17th century, when English physician Thomas Sydenham described a case of a child with a heart defect that allowed blood to flow between the atria. However, it wasn't until the 20th century that ASDs were more fully understood and classified. In the 1950s and 1960s, surgeons began to develop techniques for repairing ASDs, and the condition became more widely recognized as a treatable congenital heart defect. ### Key Information ASDs can be diagnosed using a range of imaging tests, including echocardiograms, chest X-rays, and cardiac catheterizations. Treatment options for ASDs include surgical repair, which involves closing the abnormal opening in the septum, and transcatheter closure, which uses a catheter to insert a device that closes the opening. In some cases, ASDs may be treated with medications to manage symptoms and prevent complications. ### Significance ASDs are a significant public health concern, particularly in developing countries where access to medical care may be limited. According to the World Health Organization (WHO), congenital heart defects, including ASDs, are responsible for approximately 10% of all infant deaths worldwide. In addition, ASDs can have a significant impact on an individual's quality of life, affecting their ability to engage in physical activity and participate in daily activities. **INFOBOX:** - Name: Atrial Septal Defect (ASD) - Type: Congenital heart defect - Date: First described in the 17th century - Location: Affects the heart's upper chambers (atria) - Known For: Abnormal opening in the septum between the atria **TAGS:** Atrial septal defect, congenital heart defect, heart defect, septal defect, heart surgery, transcatheter closure, echocardiogram, cardiac catheterization, pulmonary hypertension. **When to Seek Professional Care:** If you or a loved one is experiencing symptoms of an ASD, such as shortness of breath or fatigue, seek medical attention immediately. A healthcare professional can diagnose and treat ASDs, and provide guidance on managing symptoms and preventing complications.