Abstract
Purpose
We developed an external carotid arterial sheath (ECAS) for performing intra-arterial chemotherapy (IACT) via the superficial temporal artery for head and neck cancer. This study aimed to assess the potential of a novel microcatheter with a steerable tip inserted through the ECAS in comparison to an existing hook-type microcatheter.
Materials and methods
The same operator used two types of microcatheters alternately for each weekly IACT session with the same patient, and the fluoroscopy time required for catheterization and the arterial selectivity of each microcatheter were compared.
Results
Ten patients with advanced head and neck cancer were enrolled. The steerable microcatheter significantly shortened the fluoroscopy time required for catheterization in comparison to the hook-type microcatheter (45.9 ± 4.8 vs 70.2 ± 9.8 s, p < 0.02). The arterial selectivity was equivalent [97.1%, (34/35) vs 88.6%, (31/35), p = 0.36]. No serious adverse events were observed in association with the procedure.
Conclusion
In combination with an ECAS, the steerable microcatheter might be more useful than the hook-type microcatheter.
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This study was approved by the Ethics Committee of the facility.
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Nomura, M., Fuwa, N., Toyomasu, Y. et al. A comparison of two types of microcatheters used for a novel external carotid arterial sheath system for intra-arterial chemotherapy of head and neck cancer. Jpn J Radiol 36, 622–628 (2018). https://doi.org/10.1007/s11604-018-0769-5
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DOI: https://doi.org/10.1007/s11604-018-0769-5