Publications by authors named "Hussain Al Mohiy"

Clinical Relevance Statement: Caudocranial scan direction and contrast injection timing based on measured patient vessel dynamics can significantly improve arterial and aneurysmal opacification and reduce both contrast and radiation dose in the assessment of thoracic aortic aneurysms (TAA) using helical thoracic computed tomography angiography (CTA).

Objectives: To investigate opacification of the thoracic aorta and TAA using a caudocranial scan direction and a patient-specific contrast protocol.

Materials And Methods: Thoracic aortic CTA was performed in 160 consecutive patients with suspected TAA using a 256-slice computed tomography scanner and a dual barrel contrast injector.

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Article Synopsis
  • - A patient with a history of mitral valve issues experienced a new heart problem, diagnosed as an anomalous left coronary artery, which was repaired surgically.
  • - To evaluate the patient's condition before surgery, a specialized imaging technique called coronary computed tomography angiography (CTA) was used, which required careful timing of contrast media for clear visuals of different coronary arteries.
  • - The study concluded that using a test-bolus technique for contrast media significantly enhanced the imaging quality and matched better with the patient’s unique cardiovascular dynamics during CTA.
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Neurocysticercosis (NCC) is one of the seven neglected endemic zoonoses targeted by the World Health Organization. It is considered a common infection of the nervous system caused by the Taenia solium and is known to be the primary cause of preventable epilepsy in many developing countries. NCC is commonly resulted by the ingestion of Taenia solium eggs after consuming undercooked pork, or contaminated water.

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Over the last decade, exponential advances in computed tomography (CT) technology have resulted in improved spatial and temporal resolution. Faster image acquisition enabled renal CT angiography to become a viable and effective noninvasive alternative in diagnosing renal vascular pathologies. However, with these advances, new challenges in contrast media administration have emerged.

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Congenital vascular anomalies of the venous drainage in the chest affect both cardiac and non-cardiac structures. Collateral venous drainage from the left subclavian vein to the great cardiac vein is a rare venous drainage pattern. These anomalies present a diagnostic challenge.

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Aim: To measure and compare computed tomography (CT) radiation doses delivered to patients in public paediatric hospitals in Australia and Saudi Arabia.

Methods: Doses were measured for routine CT scans of the head, chest and abdomen/pelvis for children aged 3-6 years in all dedicated public paediatric hospitals in Australia and Saudi Arabia using a CT phantom measurement cylinder.

Results: CT doses, using the departments' protocols for 3-6 year old, varied considerably between hospitals.

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