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KMID : 1155520220170030286
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Anesthesia and Pain Medicine
2022 Volume.17 No. 3 p.286 ~ p.290
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Sedation for magnetic resonance imaging in the prone position - A report of four cases -
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Jung Jae-Woong
Kang You-Jin
Chae Won-Seok
Chung Yang-Hoon
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Abstract
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Background: Magnetic resonance imaging (MRI) is a useful tool, but it can be difficult to perform in those with claustrophobia as it requires being enclosed in a noisy cylindrical space. Being in the prone position is essential to spread breast tissue. However, sedation in a prone position is challenging because of the possibility of respiratory depression and the difficulty in manipulating the airway.
Case: Four patients with claustrophobia were sedated using dexmedetomidine, has minimal effect on respiration. Dexmedetomidine also enables the patient’s cooperation in assuming the prone position while infusing loading time. But dexmedetomidine requires a longer time to reach moderate sedation, an intermittent bolus of midazolam was required for rapid induction of moderate sedation. All exams were conducted successfully without any complications.
Conclusions: Administering dexmedetomidine and a midazolam bolus at the appropriate dose and timing will render MRI examinations in the prone position safe and satisfactory, without respiratory complications.
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KEYWORD
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Case report, Conscious sedation, Magnetic resonance imaging, Patient safety, Prone position
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