Browsing ICR Divisions by author "Civale, John"
Now showing items 1-11 of 11
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Amplitude based segmentation of ultrasound echoes for attenuation coefficient estimation.
Civale, J; Bamber, J; Harris, E (ELSEVIER, 2021-03-01)In vivo ultrasound attenuation coefficient measurements are of interest as they can provide insight into tissue pathology. They are also needed so that measurements of the tissue's frequency dependent ultrasound backscattering ... -
Focused ultrasound transducer spatial peak intensity estimation: a comparison of methods.
Civale, J; Rivens, I; Shaw, A; Ter Haar, G (2018-03-07)Characterisation of the spatial peak intensity at the focus of high intensity focused ultrasound transducers is difficult because of the risk of damage to hydrophone sensors at the high focal pressures generated. Hill et ... -
Focused ultrasound transducer spatial peak intensity estimation: a comparison of methods.
Civale, J; Rivens, I; Shaw, A; Ter Haar, G (IOP PUBLISHING LTD, 2018-03-07)Characterisation of the spatial peak intensity at the focus of high intensity focused ultrasound transducers is difficult because of the risk of damage to hydrophone sensors at the high focal pressures generated. Hill et ... -
High frequency ultrasound vibrational shear wave elastography for preclinical research.
Civale, J; Parasaram, V; Bamber, JC; Harris, EJ (IOP Publishing Ltd, 2022-12-07)Preclinical evaluation of novel therapies using models of cancer is an important tool in cancer research, where imaging can provide non-invasive tools to characterise the internal structure and function of tumours. The ... -
Maternal and fetal cardiometabolic recovery following ultrasound-guided high-intensity focused ultrasound placental vascular occlusion.
Shaw, CJ; Rivens, I; Civale, J; Botting, KJ; Allison, BJ; et al. (ROYAL SOC, 2019-05-31)High-intensity focused ultrasound (HIFU) is a non-invasive method of selective placental vascular occlusion, providing a potential therapy for conditions such as twin-twin transfusion syndrome. In order to translate this ... -
Noninvasive high-intensity focused ultrasound treatment of twin-twin transfusion syndrome: A preliminary in vivo study.
Shaw, CJ; Civale, J; Botting, KJ; Niu, Y; Ter Haar, G; et al. (AMER ASSOC ADVANCEMENT SCIENCE, 2016-07-13)We investigated the efficacy, maternofetal responses, and safety of using high-intensity focused ultrasound (HIFU) for noninvasive occlusion of placental vasculature compared to sham treatment in anesthetized pregnant ... -
'Relationship between thermal dose and cell death for "rapid" ablative and "slow" hyperthermic heating'.
Mouratidis, PXE; Rivens, I; Civale, J; Symonds-Tayler, R; Ter Haar, G (TAYLOR & FRANCIS LTD, 2019-01-01)AIM: Thermal isoeffective dose (TID) has not been convincingly validated for application to predict biological effects from rapid thermal ablation (e.g., using >55 °C). This study compares the classical method of quantifying ... -
The Feasibility of Thermal Imaging as a Future Portal Imaging Device for Therapeutic Ultrasound.
Miloro, P; Civale, J; Rivens, I; Shaw, A (ELSEVIER SCIENCE INC, 2016-08-01)This technical note describes a prototype thermally based portal imaging device that allows mapping of energy deposition on the surface of a tissue mimicking material in a focused ultrasound surgery (FUS) beam by using an ... -
Trans-abdominal in vivo placental vessel occlusion using High Intensity Focused Ultrasound.
Shaw, CJ; Rivens, I; Civale, J; Botting, KJ; Ter Haar, G; et al. (NATURE PORTFOLIO, 2018-09-11)Pre-clinically, High Intensity Focused Ultrasound (HIFU) has been shown to safely and effectively occlude placental blood vessels in the acute setting, when applied through the uterus. However, further development of the ... -
Ultrasound-guided High Intensity Focused Ultrasound (HIFU) ablation of placental vasculature
Shaw, CJ; Civale, J; Giussani, DA; Rivens, I; ter Haar, G; et al. (WILEY-BLACKWELL, 2015-04-01) -
Value of diffusion-weighted imaging for monitoring tissue change during magnetic resonance-guided high-intensity focused ultrasound therapy in bone applications: an ex-vivo study.
Giles, SL; Winfield, JM; Collins, DJ; Rivens, I; Civale, J; et al. (SPRINGERNATURE, 2018-05-10)BACKGROUND: Magnetic resonance (MR)-guided high-intensity focused ultrasound (HIFU) can palliate metastatic bone pain by periosteal neurolysis. We investigated the value of diffusion-weighted imaging (DWI) for monitoring ...