24-26 November 2021
Online
Australia/Sydney timezone

Microbeam radiation therapy in a heart beat

25 Nov 2021, 18:11
1m
Online

Online

Poster Physics, Surface & Condensed Matter Poster Session

Speaker

Jason Paino (UOW)

Description

Non-small-cell lung carcinomas are highly radioresistant and so, of potential interest for treatment with Microbeam Radiation Therapy. In the thoracic cavity, the therapeutic dose is limited largely by the heart; one of the most important organs of risk.
We developed an ex vivo protocol to study the acute response of the cardiac impulse conduction system to microbeam radiotherapy with high peak doses, combining physiology measurements in the Langendorff model of the isolated beating heart with world-leading real-time small volume dosimetry.
The study was performed in Hutch 2B of the Imaging and Medical Beam Line (IMBL) of the Australian Synchrotron.
The acute physiological response of the heart was measured for 60 minutes post-irradiation.
With no arrhythmia or ventricle pressure drop, results place the upper limit for normal functioning of the heart between 400 – 4,000 Gy

Condition of submission Yes
Which facility did you use for your research Australian Synchrotron
Students Only - Are you interested in AINSE student funding Yes
Presenter Gender Man
Pronouns He/Him
Level of Expertise Student
Do you wish to take part in the Student Poster Slam Yes

Primary authors

Jason Paino (UOW) Dr Elisabeth Schültke (Department of Radiooncology, Rostock University Medical Center, Rostock, Germany) Elette Engels (University of Wollongong) Jeremy Davis (University of Wollongong) Michael Lerch (University of Wollongong) Mitzi Klein (Australian Synchrotron) Micah Barnes (RMIT) Chris Hall (Australian Synchrotron) Daniel Hausermann (Australian Synchrotron) Dr Timo Kirschstein (Oscar Langendorff Institute of Physiology, Rostock University Medical Center, Rostock, Germany Center for Transdisciplinary Neurosciences Rostock, Rostock, Germany) Dr Falko Lange (Oscar Langendorff Institute of Physiology, Rostock University Medical Center, Rostock, Germany Center for Transdisciplinary Neurosciences Rostock, Rostock, Germany) Dr Katrin Porrath (Oscar Langendorff Institute of Physiology, Rostock University Medical Center, Rostock, Germany) Dr Stefan Fiedler (EMBL, Hamburg Outstation / DESY, Hamburg, Germany)

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