Evaluation of the performance of designed coaxial antennas for hyperthermia using simulation and experimental methods

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dc.contributor.authorIbitoye, AZ
dc.contributor.authorOgese, CO
dc.contributor.authorAdedokun, MB
dc.contributor.authorHabeebu, MYM
dc.contributor.authorNwoye, EO
dc.contributor.authorAweda, MA
dc.date.accessioned2022-01-03T09:13:41Z
dc.date.available2022-01-03T09:13:41Z
dc.date.issued2021-03-31
dc.descriptionScholarly articlesen_US
dc.description.abstractIntroduction: Antenna geometries and tissue properties affect microwave energy distributions during microwave ablation procedures. There is a paucity of information on the potential of antenna fabricated from a thick semi-rigid coaxialcable in the field of microwave thermal therapy. This study aimed at comparing the performance of two dual-slotantennas designed from different semi-rigid coaxial cables for the ablation of a liver tumour using numerical simulationand experimental validation methods. Materials and Methods: COMSOL Multiphysics software was used for designing dual-slot antennas and as well as toevaluate microwave energy deposition and heat distribution in the liver tissue. Experimental validations were conductedon the ex-vivo bovine livers to validate the simulation results. Results: Thick antenna developed in this study produced a higher sphericity index, larger ablation diameter and reducedbackward heating along the antenna shaft than the existing one. The experimental validation results also indicatesignificant differences between the two antennas in terms of ablation diameters (p = 0.04), ablation lengths (p = 0.02)and aspect ratios (p = 0.02). Conclusion: Based on the findings in this study, an antenna fabricated from a thick coaxial cable has ahigher potential oflocalizing microwave energy in the liver than conventional antennas.en_US
dc.identifier.citationIbitoye, A. Z., Obande, C. O., Adedokun, M. B., Habeebu, M. Y, Nwoye, E. O. & Aweda, M. A. (2021). Evaluation of the performance of designed coaxial antennas for hyperthermia using simulation and experimental methods Polish Journal of Medical Physics and Engineering, 37(1), 109-117. https://doi:10.2478/pjmpe-2021-0013en_US
dc.identifier.issn898-0309
dc.identifier.otherdoi: 10.2478/pjmpe-2021-0013
dc.identifier.urihttps://ir.unilag.edu.ng/handle/123456789/9917
dc.language.isoenen_US
dc.publisherSciendoen_US
dc.subjectLiver tumoren_US
dc.subjectHyperthermiaen_US
dc.subjectCoaxialen_US
dc.subjectMicrovave ablationen_US
dc.subjectResearch Subject Categories::MEDICINEen_US
dc.titleEvaluation of the performance of designed coaxial antennas for hyperthermia using simulation and experimental methodsen_US
dc.typeArticleen_US
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