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Chronic total occlusion is defined as thrombolysis in myocardial infarction (TIMI) flow grade 0 with an estimated duration of at least 3 months. The interest in chronic total occlusion (CTO) percutaneous coronary intervention (PCI) has increased, but with failure rate up to 20%, leading to important developments in dedicated equipment and techniques.
In the 2014 European Guidelines on Myocardial Revascularization, intravascular ultrasound was recommended to guide stent implantation in selected patients, and this recommendation was a class IIa/level of evidence B.
In CTO PCI, certain angiographic features such as blunt proximal CTO cap, tortuosity, heavy calcification, and lack of visibility of path in the distal vessel increase procedural difficulty
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| intravascular ultrasonography guided | Experimental |
| |
| Angiography guided | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| intravascular ultrasonography | Device | intravascular ultrasonography will be used during the study for the resolving proximal cap ambiguity of chronic total occlusion, facilitating re-entry into the true lumen after subintimal crossing and confirming distal true lumen guidewire position |
| Measure | Description | Time Frame |
|---|---|---|
| outcomes of intravascular ultrasound guided re-canalized CTO during the procedure and composite of cardiac death, myocardial infarction, or target vessel revascularization | the study will assess the composite of cardiac death, myocardial infarction, or target vessel revascularization, rehospitalization, coronary artery bypass surgery and stroke within both groups | 6 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Hosam Hasan, professor | Contact | +20882361015 | hosam_hasan@hotmail.com | |
| Mohamed karim, assistant professor | Contact | +201119340685 | m_koriem2004@yahoo.com |
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25524605 | Background | Windecker S, Kolh P, Alfonso F, Collet JP, Cremer J, Falk V, Filippatos G, Hamm C, Head SJ, Juni P, Kappetein AP, Kastrati A, Knuuti J, Landmesser U, Laufer G, Neumann FJ, Richter DJ, Schauerte P, Uva MS, Stefanini GG, Taggart DP, Torracca L, Valgimigli M, Wijns W, Witkowski A; Grupa Robocza Europejskiego Towarzystwa Kardiologicznego (ESC); Europejskie Stowarzyszenie Chirurgii Serca i Klatki Piersiowej (EACTS) do spraw rewaskularyzacji miesnia sercowego; European Association for Percutaneous Cardiovascular Interventions (EAPCI). [2014 ESC/EACTS Guidelines on myocardial revascularization]. Kardiol Pol. 2014;72(12):1253-379. doi: 10.5603/KP.2014.0224. No abstract available. Polish. | |
| 19942305 |
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| ID | Term |
|---|---|
| D054059 | Coronary Occlusion |
| ID | Term |
|---|---|
| D003327 | Coronary Disease |
| D017202 | Myocardial Ischemia |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
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| ID | Term |
|---|---|
| D018084 | Ultrasonography, Interventional |
| ID | Term |
|---|---|
| D014463 | Ultrasonography |
| D003952 | Diagnostic Imaging |
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
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|
| Background |
| Park Y, Park HS, Jang GL, Lee DY, Lee H, Lee JH, Kang HJ, Yang DH, Cho Y, Chae SC, Jun JE, Park WH. Intravascular ultrasound guided recanalization of stumpless chronic total occlusion. Int J Cardiol. 2011 Apr 14;148(2):174-8. doi: 10.1016/j.ijcard.2009.10.052. Epub 2009 Nov 26. |
| 16230504 | Background | Stone GW, Reifart NJ, Moussa I, Hoye A, Cox DA, Colombo A, Baim DS, Teirstein PS, Strauss BH, Selmon M, Mintz GS, Katoh O, Mitsudo K, Suzuki T, Tamai H, Grube E, Cannon LA, Kandzari DE, Reisman M, Schwartz RS, Bailey S, Dangas G, Mehran R, Abizaid A, Moses JW, Leon MB, Serruys PW. Percutaneous recanalization of chronically occluded coronary arteries: a consensus document: part II. Circulation. 2005 Oct 18;112(16):2530-7. doi: 10.1161/CIRCULATIONAHA.105.583716. No abstract available. |
| D014652 |
| Vascular Diseases |
| D019060 |
| Minimally Invasive Surgical Procedures |
| D013514 | Surgical Procedures, Operative |