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KMID : 0390220230340030093
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2023 Volume.34 No. 3 p.93 ~ p.96
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The Dangers of Confirmation Bias in Otolaryngology: Misdiagnosis of Posterior Epistaxis as Postoperative Bleeding
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Kim Soon-Joon
Kim Jae-Hyun
Suk Sang-Hyok
Lee Tae-Hoon
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Abstract
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Confirmation bias is a cognitive bias in clinical practice where healthcare professionals tend to give more weight to data that support their initial diagnosis while ignoring evidence that contradicts it. This can lead to diagnostic errors and poor medical decision-making, ultimately resulting in adverse outcomes for patients. One potential complication following endoscopic sinus surgery is postoperative bleeding, which can occur immediately or as delayed bleeding several days after the procedure. While spontaneous epistaxis, or nosebleeds, are a common ENT emergency, posterior epistaxis is particularly challenging to detect and treat, which can result in significant bleeding. This report highlights a case in which posterior epistaxis was initially misdiagnosed as postoperative hemorrhage after endoscopic sinus surgery, leading to a delay in treatment. Such diagnostic errors can have severe consequences for patients, underscoring the importance of being vigilant for confirmation bias and its potential impact on clinical decision- making.
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KEYWORD
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Bias, Diagnostic errors, Epistaxis, Sinusitis
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