https://bmjopen.bmj.com/content/bmjopen/14/6/e085212.full.pdf
BMJ Open 2024;14:e085212. doi:10.1136/bmjopen-2024-085212. Accepted 22 April 2024
Zhe Li ,Huamei Cai , Zhen Liu, Xiaowen Liu, Jing Zhao
ABSTRACT
Introduction Perioperative anaphylaxis (POA) can lead to significant complications. Therefore, accurate identification of allergens for POA patients is critical to ensure the safety of future surgical and anaesthetic procedures. Existing perioperative allergen detection methods face challenges in sensitivity and specificity. The passive mast cell activation test (pMAT) has recently emerged as a potential diagnostic tool. Our study aims to evaluate the diagnostic efficacy of pMAT for identifying perioperative allergens, with a focus on non-depolarising neuromuscular blocking agents, the most common culprits of POA.
Methods and analysis This prospective diagnostic accuracy study will measure the diagnostic accuracy of pMAT in POA patients. Participants will undergo skin testing (ST), basophil activation testing (BAT) and pMAT. The diagnostic validity of pMAT will be assessed based on the results of ST and BAT. The assessment of diagnostic accuracy will include sensitivity, specificity, likelihood ratios, and false-positive and false-negative rates while measurement of the consistency rate will assess reliability.
Ethics and dissemination This study has been approved by the Institutional Review Board of China-Japan Friendship Hospital (2023-KY- 247). Results will be disseminated through academic presentations and peer-reviewed journal publications and will provide valuable scientific data and some new insights into the diagnostic accuracy of pMAT.
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