| Ventilation impairment caused by upside-down connected unidirectional valves: A case report. |
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Tae Hee Kim, Young Soo Park, Eun Ho Lee, Yong Bo Jeong, In Cheol Choi |
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Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea. icchoi@amc.seoul.kr |
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| Abstract |
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We experienced a case of ventilation impairment resulted by the wrong-assembled unidirectional valves passed the automatic checkout of ventilator during general anesthesia.
A 63-year-old man was scheduled for Ivor-Lewis operation due to esophageal cancer. After endotracheal intubation, ventilation impairment and abdominal distension were developed. No abnormal finding was found with bronchofiberoscopic examination. Suspecting anesthetic equipment failure, unidirectional valves were separated and they were proved to be connected upside-down. |
| Key Words:
automatic check; machine malfunction; unidirectional valve; ventilation impairment; ventilator |
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