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CT study findings make big difference to Logan Hospital patients

11 December 2018

The Medical Imaging team has won this year’s Allied Health research showcase award for their work into the best scanning technique for patients with atrial fibrillation which has already made a difference across the department.

Radiographers Cameron Brown and Ben Davis presented their research around Logan Hospital "patient" Homer Simpson who developed symptoms of atypical chest pain and required a CT scan to assess for coronary heart disease.

Cameron said two scanning techniques were available to patients; retrospective helical scanning - a robust scan with higher levels of radiation and prospective sequential scanning with lower radiation but less robust.

"We wanted to do an objective comparison of the two techniques to allow us to make informed decisions about what scanning technique to use," he said.

"We asked our cardiologists to look at 20 helical and 20 sequential scans and grade their diagnostic quality and then two client auditors to look at same scans and make measurements of the three major arteries of the heart."

Ben said the results found a 69.1 per cent dose reduction between the helical and sequential scans and noticeable differences in image quality.

"Sequential scanning while in AF found improved image quality and a significant reduction in radiation doses."

He said as a result of the study, Logan Hospital radiographers now routinely used sequential scanning except in patients with arrhythmias or ectopic beats which results in poor image quality.

Also presenting at the showcase were representatives from dietetics, physiotherapy, pharmacy and speech pathology.

Pictured: Logan Hospital Radiographers Cameron Brown and Ben Davis.

Last updated 12 December 2018
Last reviewed 12 December 2018

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