Key result
Intraprocedural TEE and IVUS were superior to angiography for identifying multiple entries (52 and 43 vs 34; P<0.005) and incomplete stent apposition (18 and 16 vs 8; P<0.005).
Why the study?
Does intraprocedural TEE and IVUS improve guidance of stent-graft implantation compared to angiography in patients with type-B aortic dissection?
Observational (n=42)
Does intraprocedural TEE and IVUS improve guidance of stent-graft implantation compared to angiography in patients with type-B aortic dissection?
p-value: p=<0.005
TEE and IVUS provide superior intraprocedural guidance compared to angiography alone during stent-graft implantation for type-B aortic dissection.
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TEE plus angiography may improve intraprocedural guidance for TEVAR in type B dissection; leaves open optimal imaging strategy pending prospective trials.
Koschyk et al. (2005) conducted an observational in Acute and chronic type-B aortic dissection (n=42). Transesophageal echocardiography (TEE) and intravascular ultrasound (IVUS) vs. Angiography (ANGIO) was evaluated on Identification of multiple entries (p=<0.005). Intraprocedural TEE and IVUS were superior to angiography for identifying multiple entries (52 and 43 vs 34; P<0.005) and incomplete stent apposition (18 and 16 vs 8; P<0.005).
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