Allergy Referral Pathways: Closing the Loop
May 18, 2026
A perioperative allergic reaction does not end when the patient stabilises. In many ways, that is where the next phase of care begins.
Without clear follow-up, the cause may remain unknown, leaving patients at risk during future procedures. For perianaesthesia nurses, closing the loop is an essential part of safe, ongoing care.
Perioperative anaphylaxis can involve multiple potential triggers such as antibiotics, neuromuscular blockers, or antiseptics. Identifying the culprit requires structured referral and specialised testing, often weeks after the event once immune markers have settled.
The immediate response is critical, but so is what happens next.
⚡ Accurate documentation of the reaction, timing, and suspected agents supports future investigation
⚡ Serum tryptase sampling at appropriate time points helps confirm anaphylaxis
⚡ Clear handover ensures the reaction is communicated beyond the perioperative team
⚡ Referral to a specialist allergy service enables formal testing and diagnosis
⚡ Patients should be informed and provided with interim safety advice before discharge
Referral pathways are not just administrative. They are protective.
In practice, delays or incomplete referrals can lead to repeated exposure to the same trigger. Conversely, over-labelling without confirmation may unnecessarily restrict future care options.
For perianaesthesia nurses, this is where advocacy matters. Ensuring referrals are initiated, documentation is complete, and patients understand the importance of follow-up helps bridge the gap between acute care and long-term safety.
A well-managed reaction includes not only what happens in the moment, but what is carried forward.
Closing the loop ensures that future anaesthetics are safer, clearer, and more informed.
Build Knowledge ✅
Improve Safety ✅
References:
Australian and New Zealand College of Anaesthetists. (2022). Perioperative Anaphylaxis Management Guidelines.
Kolawole, H., Marshall, S.D., Crilly, H., Kerridge, R., Roessler, P. (2017). Perioperative anaphylaxis: diagnosis, investigation and management. Anaesthesia and Intensive Care.
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