Why the study?
Cold application is used as an independent nursing intervention to manage hypertension, but its effects when applied to the back of the neck on blood pressure required evaluation.
Does cold application to the back of the neck reduce blood pressure in hypertensive patients admitted to the emergency department?
Population
72 hypertensive patients admitted to the emergency department
Comparison
Cold gel pack vs placebo vs control following sublingual captopril
Design
Randomized placebo-controlled trial
Authors
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May consider neck cold application as adjunct to captopril in ED; extends nonpharmacologic RCT evidence but leaves open sustained effects.
Does cold application to the back of the neck reduce blood pressure in hypertensive patients admitted to the emergency department?
A brief 3-minute cold application to the back of the neck provides a significant, albeit short-term, reduction in blood pressure and headache severity as an adjunct to sublingual captopril in hypertensive patients.
Uren et al. (2026) studied this question.
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