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December 5, 2025American Journal of Health-System PharmacyOpen Access

Severe hypotension following sublingual dexmedetomidine administration in an elderly patient

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Authors

MAMoujan AllaiCHCalvin HwangBMB.D. Michaels

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Overview

A case reveals hypotension in an 88-year-old with vascular dementia after dexmedetomidine, highlighting risks in geriatric populations.

Key Points

  • Profound hypotension developed within 1 hour of dexmedetomidine administration, lowering blood pressure from 102/49 to 62/40 mm Hg.
  • Hemoglobin levels dropped significantly from 12.1 to 6.9 g/dL, necessitating a blood transfusion for the elderly patient.
  • The patient had comorbidities including hypertension and myocardial infarction, which increased sensitivity to the drug.
  • The case underscores the importance of careful dosing and monitoring of dexmedetomidine in older adults with cardiovascular risk factors.

Cite This Study

Allai et al. (2025) studied this question.

synapsesocial.com/papers/694022612d562116f28fc8dfhttps://doi.org/10.1093/ajhp/zxaf335
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