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This study is performed to compare the angiographic and clinical outcomes of the use of single long stent versus overlapping stents in the treatment of long coronary lesions in patients with chronic coronary syndrome.
Percutaneous coronary intervention (PCI) in diffuse coronary artery disease is still considered a big obstacle for interventional cardiologists. Very long coronary lesions are usually found, and implantation of a single stent was a great problem forcing the operator to do overlapping of several stents.
Recently, new stent designs with increasing length are developed and emerging as a great tool for the percutaneous treatment of long lesions. Nowadays, stents up to 60 mm are available to be used in these cases reducing stent overlap.
Intravascular ultrasound (IVUS)-guided percutaneous coronary intervention has been shown in clinical trials, registries, and meta-analyses to be associated with a reduction in clinical events after percutaneous coronary intervention; however, IVUS utilization during percutaneous coronary intervention remains low in the United States and worldwide. The impact of IVUS in these complex lesions may be associated with a lower rate of clinical adverse events in comparison with angiography alone.
The study will be conducted on forty patients with chronic stable angina on maximal medical treatment who are going to have elective coronary angiography and elective PCI and having one long coronary lesion that is more than 40 mm in length, they will be randomized into either treatment of the lesion with a single very long stent (more than 40 mm in length) or with more than one overlapping stents in 1:1 randomization. Control angiography and IVUS will be done to the 2 groups after 6 months and the major cardiovascular outcomes will be addressed at 1,3 and 6 months follow-up periods.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Percutaneous coronary intervention and stent implantation using one long stent | Experimental | Long coronary lesions will be treated percutaneously with a single long stent (more than 40 mm in length) and intravascular ultrasonography (IVUS) will be done immediately after stent deployment to record the baseline picture |
|
| Percutaneous coronary intervention and stent implantation using more than one overlapping stents | Experimental | Long coronary lesions will be treated with more than one overlapping stents and intravascular ultrasonography (IVUS) will be done immediately after stent deployment to record the baseline picture |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Percutaneous Coronary Intervention and Stent Implantation | Device | Percutaneous Coronary Intervention and Stent Implantation will be implanted as recommended by guidelines and according to the standard techniques. |
| Measure | Description | Time Frame |
|---|---|---|
| Coronary angiographic criteria after 6 months of stent deployment | Number of participants with any form in-stent restenosis using control coronary angiography at 6 months | 6 months |
| (IVUS) after 6 months of stent deployment | Number of participants with any form in-stent restenosis using Intravascular Ultrasonography (IVUS) at 6 months to assess subclinical neointimal proliferation and in-stent restenosis | 6 months |
| Major Cardiovascular and Cerebrovascular Events (MACCE) after 6 months | Number of patients with any Major Cardiovascular and Cerebrovascular Events (MACCE) at 6 months of stent deployment | 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| Any Major Bleeding Event | Number of patients with Any Major Bleeding Event as defined by the International Society of Thrombosis and Haemostasis (fatal bleeding, and/or symptomatic bleeding in a critical organ or area, and/or bleeding causing a fall in hemoglobin level of ≥ 2 g/dl or 1.24 mmol/L | 6 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Mohamed A Sobhy, MD | University of Alexandria - Egypt | Study Chair |
| Amr Zaky, MD | University of Alexandria - Egypt | Study Director |
| Ahmed M El Amrawy, MD | University of Alexandria - Egypt | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Alexandria | Alexandria | 21321 | Egypt | |||
| International Cardiac Center (ICC) |
IPD may be shared with researchers if requested
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| ID | Term |
|---|---|
| D003324 | Coronary Artery Disease |
| ID | Term |
|---|---|
| D003327 | Coronary Disease |
| D017202 | Myocardial Ischemia |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
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| ID | Term |
|---|---|
| D062645 | Percutaneous Coronary Intervention |
| ID | Term |
|---|---|
| D057510 | Endovascular Procedures |
| D014656 | Vascular Surgical Procedures |
| D013504 | Cardiovascular Surgical Procedures |
| D013514 | Surgical Procedures, Operative |
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|
| Alexandria |
| 21524 |
| Egypt |
| D001161 |
| Arteriosclerosis |
| D001157 | Arterial Occlusive Diseases |
| D014652 | Vascular Diseases |
| D019060 | Minimally Invasive Surgical Procedures |