Angioplasty
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| Intervention: Angioplasty | ||
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| ICD-9 code: | 00.6 36.0 39.50 | |
| MeSH | D017130 | |
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Angioplasty is the mechanical widening of a narrowed or totally obstructed blood vessel. These obstructions are often caused by atherosclerosis. The term angioplasty is a portmanteau of the words angio (from the Latin/Greek word meaning "vessel") and plasticos (Greek: "fit for moulding"). Angioplasty has come to include all manner of vascular interventions typically performed in a minimally invasive or percutaneous method.
Coronary angioplasty
The distal left main coronary artery (LMCA) is in the left upper quadrant of the image. Its main branches (also visible) are the left circumflex artery (LCX), which courses top-to-bottom initially and then toward the centre-bottom, and the left anterior descending (LAD) artery, which courses from left-to-right on the image and then courses down the middle of the image to project underneath of the distal LCX. The LAD, as is usual, has two large diagonal branches, which arise at the centre-top of the image and course toward the centre-right of the image.]]
Percutaneous coronary intervention (PCI), commonly known as coronary angioplasty is a therapeutic procedure to treat the stenotic (narrowed) coronary arteries of the heart found in coronary heart disease. These stenotic segments are due to the build up of cholesterol-laden plaques that form due to atherosclerosis. PCI is usually performed by an interventional cardiologist.
Peripheral angioplasty
Peripheral angioplasty refers to the use of mechanical widening in opening blood vessels other than the coronary arteries. It is often called percutaneous transluminal angioplasty or PTA for short. PTA is most commonly done to treat narrowings in the leg arteries, especially the common iliac, external iliac, superficial femoral and popliteal arteries. PTA can also be done to treat narrowings in veins.
[[Image:Ha1.jpg|thumb|300px|left|A coronary angiogram (an X-ray with radio-opaque contrast in the coronary arteries) that shows the left coronary circulation.
Renal artery angioplasty
Atherosclerotic obstruction of the renal artery can be treated with angioplasty of the renal artery (percutaneous transluminal renal angioplasty, PTRA). Renal artery stenosis can lead to hypertension and loss of renal function.
Carotid angioplasty
Generally, carotid artery stenosis is treated with angioplasty and stenting for high-risk patients in many hospitals. It has changed since the FDA has approved the first carotid stent system (Cordis) in July 2004 and the second (Guidant) in August 2004. The system comprises a stent along with an embolic capture device designed to reduce or trap emboli and clot debris. Angioplasty and stenting is increasingly being used to also treat carotid stenosis, with success rates similar to carotid endarterectomy surgery. Simple angioplasty without stenting is falling out of favor in this vascular bed. SAPPHIRE, a large trial comparing carotid endarterectomy and carotid stenting with the Cordis stent found stenting non-inferior to carotid endarterectomy.[1]
See also
References
- ↑ Yadav JS, Wholey MH, Kuntz RE, Fayad P, Katzen BT, Mishkel GJ, Bajwa TK, Whitlow P, Strickman NE, Jaff MR, Popma JJ, Snead DB, Cutlip DE, Firth BG, Ouriel K. Protected carotid-artery stenting versus endarterectomy in high-risk patients. N Engl J Med 2004;351:1493-501. PMID 15470212.
External links
- Angioplasty.Org, celebrating a decade of independent cardiology news and education
- Cardiovascular and Interventional Radiological Society of Europe
- Society for Cardiovascular Angiography and Interventions
- Cardiovillage, cardiovascular education online
- National Heart Lung and Blood Institute, Diseases and Conditions Index
- Overview Coronary Artery Disease Treatment - Coronary Interventions ANGIOPLASTY, STENTS AND ATHERECTOMY (Cleveland Clinic)
- Cleveland Clinic Webchat - Interventional Procedures - Stents, Angioplasty and New Approaches to Treat Heart Disease with Dr. Samir Kapadia
- Cleveland Clinic Webchat - Interventional Procedures - Questions & Answers about Stents, Angioplasty and New Approaches to Treat Heart Disease with Dr. Stephen Ellis
Health Science – Medicine - Surgery - Vascular surgery procedures | |
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| Aortic aneurysm / dissection | Open AAA repair - Endoluminal AAA repair (EVAR) |
| Carotid stenosis | Carotid endarterectomy - Carotid stenting |
| Varicose veins | Ambulatory phlebectomy - Laser ablation - Sclerotherapy - Vein stripping |
| Peripheral arterial occlusive disease | Angioplasty with/out Stenting - Balloon embolectomy - Peripheral arterial bypass surgery - Thrombectomy |
| Liver cirrhosis | Transjugular intrahepatic portosystemic shunt (TIPS) - Distal splenorenal shunt procedure |
| Other vascular procedures | Venous cutdown - Cardiopulmonary bypass - Cardioplegia - Extracorporeal membrane oxygenation |
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
