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  • Title: Aortic root necrosis after surgical treatment using gelatin-resorcinol-formaldehyde (GRF) glue in patients with acute type A aortic dissection.
    Author: Suzuki S, Imoto K, Uchida K, Takanashi Y.
    Journal: Ann Thorac Cardiovasc Surg; 2006 Oct; 12(5):333-40. PubMed ID: 17095975.
    Abstract:
    BACKGROUND: Although gelatin-resorcinol-formaldehyde (GRF) glue is used for surgical repair of acute type A aortic dissections, late complications possibly ascribed to toxic effects of GRF glue have been reported. We analyzed the benefits and risks of using GRF glue. PATIENTS AND METHODS: Between January 1990 and August 2003, 269 consecutive patients underwent emergency operations for acute type A aortic dissection. GRF glue was not used in 47 patients (non-GRF group) who were operated on until May 1995 and was used in the 222 (GRF group) who underwent operation subsequently. RESULTS: The rate of in-hospital mortality was significantly higher in the non-GRF group (31.9%) than in the GRF group (12.6%) (p<0.0001). In the GRF group, false aneurysms were found in 31 patients (31/194 survivors, 16.0%) 1-65 (mean, 30+/-18) months after initial operation. Reoperation was done in 24 of these patients. At reoperation, the site to which GRF glue was applied had degenerated, and the anastomosis between the aortic root and prosthesis had opened widely, creating a false aneurysm and resulting in aortic regurgitation with prolapse of the coronary cusps. The mortality rate of reoperation was 4.2% (1/24). CONCLUSION: The use of GRF glue improved the short-term outcome of surgery for acute type A aortic dissection, but was associated with a high incidence of false aneurysms forming at the site of proximal anastomosis, where GRF glue had been applied. Patients in whom GRF glue has been used should be carefully followed up after surgery.
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