Results of Coronary Angiography Rafter CABG: Comparison Between No-touch and Conventional Vein Graft

NCT04656366 | Unknown

• 1 other identifier: OLL-274418
• Study Type: observational
• Target: 1,000
• Locations: 1 country
• Sites: 1

Brief Summary

Coronary artery disease is one of the biggest health issue worldwide: It is estimated that cardiovascular diseases cause around 45% of all death in Sweden and in the West World. The treatment, in a large part of the patients, implicates a so called bypass-operation, that consists in to connect new vascular conduits (grafts) beyond the narrowed coronary vessels to improve the blood supply to the heart. One of the graft that is commonly used is the saphenous vein from the leg. The disadvantage of the saphenous vein graft is the predisposition to early obstruction. The international literature shows the following grades of occlusion: 15% in the first year and 40% after 10 years. At the Cardio-Thoracic Clinic of the University hospital of Örebro has been developed a new method to harvest the saphenous vein together with the surrounding fat-tissue. This technique, called no-touch technique, has the advantage to reduce the damages to the vein during the harvesting, showing a substantially reduced risk for future occlusion (5% after 18 months and 10% after 8,5 years). 2020-05-20 2020-11-16 Project created in: FoU Region Örebro län Resultat av Koronarangiografi hos patienter som tidigare CABG opererats Project number : 274418 Created by: Gabriele Ferrari, 2020-05-20 Last revised by: Gabriele Ferrari, 2020-11-16 Ongoing The aim of the PhD project is to evaluate the results of the no-touch technique in compare to the conventional technique for the venous graft harvesting. The focus of the study is to analyze all the operated patients in our clinic who underwent a post-operative coronary angiography do to angina pectoris (heart pain). One will compare the patency rate, the rate of MACE (major adverse cardiac events) and the quality of life in the two groups (no-touch vs. conventional). This study is the first and the only one in the world that will examine the long-term angiographic results of the no-touch technique in patients that had angina pectoris after the operation.

Conditions

Bypass Graft Stenosis

Keywords

vein graft; no-touch; angina; coronary angiography; graft patency

Outcome Measures

Primary Outcomes (1)

• Rate of Graft Patency

  Grade of freedom from stenosis in the saphenous vein graft used during the primary CABG

  after the primary CABG (until June the 30th 2020)

Secondary Outcomes (1)

• Rate of MACE

  after the primary CABG (until June the 30th 2020)

Study Arms (2)

No-touch

Participants that operated at the time of the coronary artery bypass grafting with a "no-touch" venous graft.

Diagnostic Test: Coronary Angiography

Conventional

Participants that operated at the time of the coronary artery bypass grafting with a "conventional" venous graft.

Diagnostic Test: Coronary Angiography

Interventions

Coronary Angiography DIAGNOSTIC_TEST

Diagnostic Coronary angiography for patients that presented angina after a previous CABG operation; eventually interventional procedure with PCI (Percutaneous Coronary Intervention)

Also known as: Previously: coronary artery bypass grafting (CABG)

Conventional; No-touch

Eligibility Criteria

• Sex: all
• Healthy Volunteers: No
• Age Groups: Child (0-17), Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

All the subjects that previously were operated with a coronary artery bypass grafting at the Cardiothoracic department of the University hospital of Orebro (from1992 until June 30th 2020) and that underwent a percutaneous coronary intervention in a venous graft between January the 1st, 2006 and June the 30th, 2020.

You may qualify if:

• Angina after CABG requiring diagnostic coronary angiography
• CABG operation between 1992 and June 30th 2020
• Coronary angiography between 2006 and June 30th 2020

You may not qualify if:

• Coronary angiography within 30 days from the CABG operation date

Sponsors & Collaborators

• Region Örebro County: lead

Study Sites (1)

Kärl-Thoraxkliniken; University Hospital of Örebro

Örebro, 70185, Sweden

RECRUITING

Related Publications (10)

• Souza D. A new no-touch preparation technique. Technical notes. Scand J Thorac Cardiovasc Surg. 1996;30(1):41-4. doi: 10.3109/14017439609107239. No abstract available.

  PMID: 8727856 BACKGROUND

• Souza DS, Dashwood MR, Tsui JC, Filbey D, Bodin L, Johansson B, Borowiec J. Improved patency in vein grafts harvested with surrounding tissue: results of a randomized study using three harvesting techniques. Ann Thorac Surg. 2002 Apr;73(4):1189-95. doi: 10.1016/s0003-4975(02)03425-2.

  PMID: 11996262 BACKGROUND

• Souza DS, Johansson B, Bojo L, Karlsson R, Geijer H, Filbey D, Bodin L, Arbeus M, Dashwood MR. Harvesting the saphenous vein with surrounding tissue for CABG provides long-term graft patency comparable to the left internal thoracic artery: results of a randomized longitudinal trial. J Thorac Cardiovasc Surg. 2006 Aug;132(2):373-8. doi: 10.1016/j.jtcvs.2006.04.002.

  PMID: 16872965 BACKGROUND

• Samano N, Geijer H, Bodin L, Arbeus M, Mannion JD, Dashwood M, Souza D. The no-touch saphenous vein graft in elderly coronary bypass patients with multiple comorbidities is a promising conduit to substitute the left internal thoracic artery. J Thorac Cardiovasc Surg. 2017 Aug;154(2):457-466.e3. doi: 10.1016/j.jtcvs.2017.03.048. Epub 2017 Mar 24.

  PMID: 28433355 BACKGROUND

• Bourassa MG. Fate of venous grafts: the past, the present and the future. J Am Coll Cardiol. 1991 Apr;17(5):1081-3. doi: 10.1016/0735-1097(91)90835-w. No abstract available.

  PMID: 2007707 BACKGROUND

• Hindnavis V, Cho SH, Goldberg S. Saphenous vein graft intervention: a review. J Invasive Cardiol. 2012 Feb;24(2):64-71.

  PMID: 22294536 BACKGROUND

• Goldman S, Zadina K, Moritz T, Ovitt T, Sethi G, Copeland JG, Thottapurathu L, Krasnicka B, Ellis N, Anderson RJ, Henderson W; VA Cooperative Study Group #207/297/364. Long-term patency of saphenous vein and left internal mammary artery grafts after coronary artery bypass surgery: results from a Department of Veterans Affairs Cooperative Study. J Am Coll Cardiol. 2004 Dec 7;44(11):2149-56. doi: 10.1016/j.jacc.2004.08.064.

  PMID: 15582312 BACKGROUND

• Lee MS, Park SJ, Kandzari DE, Kirtane AJ, Fearon WF, Brilakis ES, Vermeersch P, Kim YH, Waksman R, Mehilli J, Mauri L, Stone GW. Saphenous vein graft intervention. JACC Cardiovasc Interv. 2011 Aug;4(8):831-43. doi: 10.1016/j.jcin.2011.05.014.

  PMID: 21851895 BACKGROUND

• Stone GW, Goldberg S, O'Shaughnessy C, Midei M, Siegel RM, Cristea E, Dangas G, Lansky AJ, Mehran R. 5-year follow-up of polytetrafluoroethylene-covered stents compared with bare-metal stents in aortocoronary saphenous vein grafts the randomized BARRICADE (barrier approach to restenosis: restrict intima to curtail adverse events) trial. JACC Cardiovasc Interv. 2011 Mar;4(3):300-9. doi: 10.1016/j.jcin.2010.11.013.

  PMID: 21435608 BACKGROUND

• Ferrari G, Loayza R, Azari A, Geijer H, Cao Y, Carlsson R, Bojo L, Samano N, Souza D. Superior long-term patency of no-touch vein graft compared to conventional vein grafts in over 1500 consecutive patients. J Cardiothorac Surg. 2024 Oct 1;19(1):570. doi: 10.1186/s13019-024-03057-3.

  PMID: 39354611 DERIVED

MeSH Terms

Conditions

Angina Pectoris

Interventions

Coronary Angiography

Condition Hierarchy (Ancestors)

Myocardial Ischemia; Heart Diseases; Cardiovascular Diseases; Vascular Diseases; Chest Pain; Pain; Neurologic Manifestations; Signs and Symptoms; Pathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Cardiac Imaging Techniques; Diagnostic Imaging; Diagnostic Techniques and Procedures; Diagnosis; Angiography; Radiography; Diagnostic Techniques, Cardiovascular; Heart Function Tests

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: RETROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Principal Investigator

Study Record Dates

• First Submitted: November 30, 2020
• First Posted: December 7, 2020
• Study Start: November 1, 2020
• Primary Completion: December 1, 2021
• Study Completion: February 1, 2022
• Last Updated: December 8, 2020

Record last verified: 2020-12

Locations

SE (1)