Adverse effects of subcutaneous vs intravenous hydration in older adults: An assessor-blinded randomised controlled trial (RCT)

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Abstrakt

BACKGROUND: Hydration therapy is essential in the care of the older patient. Subcutaneous (SC) hydration is a relevant method for parenteral hydration, but clinical trials on the subject have methodological shortcomings compared to updated standards.

DESIGN: Assessor-blinded, non-inferiority RCT to explore if SC is a safe alternative to intravenous (IV) hydration.

PARTICIPANTS: Eligible patients were: Admitted patients 65 years or older with a need for parenteral hydration. The targeted sample size was 67 patients in each group.

INTERVENTION: Patients were randomised to parenteral hydration via an IV or SC catheter during a 24 hours observation period. The non-randomised catheter (inactive) was placed as a sham on the patient, thereby blinding the caregivers and outcome assessors.

MEASUREMENT: Our primary outcome was the proportion of patients reporting at least one adverse effect with a non-inferiority calculation using a 20% margin.

RESULTS: We included 51 patients, with 24 randomised to SC and 27 to IV. We were unable to reach our target sample size due to challenges in recruitment, time limitation, and COVID-19. For the outcome of adverse effects, SC was non-inferior to IV (p = 0.012). Time spent on inserting the catheters was shorter with SC (p = 0.001). The groups did not differ by pain of insertion, discomfort during infusion, or the risk of developing delirium.

CONCLUSION: SC is a safe alternative to IV hydration, is faster to place and should be an available method for parenteral hydration wherever older adults are cared for.

TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT03710408.

OriginalsprogEngelsk
Artikelnummerafab193
TidsskriftAge and Ageing
Vol/bind51
Udgave nummer1
ISSN0002-0729
DOI
StatusUdgivet - 6 jan. 2022

Bibliografisk note

© The Author(s) 2021. Published by Oxford University Press on behalf of the British Geriatrics Society. All rights reserved. For permissions, please email: journals.permissions@oup.com.

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