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目的:通过3.0T MRI研究急性CO中毒患者的耳部及鼻窦损伤情况。方法:2012-2015年收集45例急性CO中毒患者的MRI图像,观察中耳、乳突及鼻窦的影像学变化。结果:中耳乳突损伤41例(91.1%),上颌窦损伤22例(48.9%),筛窦损伤20例(44.4%),蝶窦损伤9例(20.0%),额窦损伤5例(11.1%)。将CO中毒患者按临床症状分为轻、中、重3组,观察耳部、鼻窦损伤程度并进行组间比较,发现差异有统计学意义(P<0.05)。结论:急性CO中毒患者的耳部及鼻窦损伤应该引起医护人员的重视,MRI能够从细节上反映出患者耳部及鼻窦的损伤程度。
Objective: To investigate the damage of ear and sinuses in patients with acute CO poisoning by 3.0T MRI. Methods: MRI images of 45 patients with acute CO poisoning were collected from 2012 to 2015, and the imaging changes of middle ear, mastoid and sinus were observed. Results: There were 41 cases (91.1%) of maxillofacial injuries, 22 cases of maxillary sinus (48.9%), 20 cases of ethmoid sinus (44.4%), 9 cases of sphenoid sinus (20.0%) and 5 cases of frontal sinus 11.1%). Patients with CO poisoning were divided into mild, moderate and severe groups according to clinical symptoms. The degree of ear and sinus damage was observed and compared between groups. The difference was statistically significant (P <0.05). Conclusion: Ear and sinus injury in patients with acute CO poisoning should be emphasized by medical staff. MRI can reflect the details of the ear and sinus damage.