Publications by authors named "Tadashi Miyanishi"

In 2020, recording and management of exposure doses for computed tomography (CT) became mandatory. In terms of dose management, information regarding the imaged body part is particularly important information for proper tabulation. However, the actual body part to be imaged and the body part information obtained from the device may differ.

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Purpose: The purpose of this paper is to analyze the characteristics of incidents related to routes and drains that occur in the radiological examination room for the prevention of these incidents.

Methods: We conducted a questionnaire survey on incident cases that occurred in the radiological examination room. There were 373 responses, of which 76 responses were related to routes and drains.

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Article Synopsis
  • A questionnaire survey was conducted in the radiological examination department to analyze medical accidents, with 373 responses collected, revealing a predominant issue of falls, totaling 197 cases.
  • The study found that 11.7% of these accidents had a serious risk impact (level 3b or higher), and notable statistics indicated that 44.2% of falls were deemed foreseeable.
  • Elderly patients aged 60 to 80 were most affected, with patient factors accounting for 63.5% of accidents, while improving operator and environmental factors could potentially prevent about 30% of such incidents.
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Purpose: The purpose of this study is to analyze the factors of patient's fall that causes serious injury in the radiological examinations.

Methods: We conducted a questionnaire survey on cases of medical accidents occurring in the radiological examination department in medical institutions. The number of responses to the questionnaire surveys was 372.

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We analyzed 197 fall incidents in the questionnaire survey about the incident that occurred in Department of Radiology. In the past paper about the patient safety, there is no report that evaluated incident data directly. The purpose of this paper is to analyze the factor of the medical incidents using statistical technique scientifically.

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Background: The preoperative evaluation of aortic root diameters is important for determining the surgical strategy in patients with aortic valve disease. The purpose of this study was to evaluate the usefulness of real-time three-dimensional echocardiography (3D-echo) for the evaluation of aortic root diameters compared with two-dimensional echocardiography (2D-echo) and to evaluate aortic root dynamics.

Methods: We prospectively investigated 23 patients with aortic stenosis (AS) and 37 normal controls.

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