Premedication to reduce anxiety in patients undergoing coronary angiography and percutaneous coronary intervention

Wieneke Vlastra*, Ronak Delewi, Wim J Rohling, Tineke C Wagenaar, Alexander Hirsch, Martin G Meesterman, Marije M Vis, Joanna J Wykrzykowska, Karel T Koch, Robbert J de Winter, Jan Baan, Jan J Piek, Mirjam A G Sprangers, José P S Henriques

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)
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Abstract

Aims: In this study, we examined the effects of the routinely administration of benzodiazepines on reducing periprocedural anxiety versus no premedication.

Methods: In this open label study, we enrolled 1683 patients undergoing diagnostic coronary angiograms (CAG) or percutaneous coronary interventions (PCI). Randomisation was simulated by systematically allocating patients in monthly rotational periods to lorazepam 1  mg/sl, oxazepam 10  mg/po, diazepam 5  mg/po, midazolam 7.5  mg/po or no premedication. Anxiety was measured at four different time points using the one-item Visual Analogue Scale for Anxiety (VAS score) ranging from 0 to 10. The primary outcome was the difference in anxiety reduction (ΔVAS, preprocedure to postprocedure), between the different premedication strategies versus no premedication.

Results: Anxiety reduction was larger in patients premedicated with lorazepam (ΔVAS=-2.0, SE=1.6, P=0.007) or diazepam (ΔVAS=-2.0, SE=1.5, p=0.003) compared with patients without any premedication (ΔVAS=-1.4, SE=1.2). The use of midazolam or oxazepam did not lead to a significant reduction in anxiety compared with patients who did not receive premedication. Additionally, a high number of patients treated with midazolam (N=39, 19.8%) developed side effects.

Conclusions: In this study, the use of lorazepam or diazepam was associated with a significant, but modest anxiety reduction in patients undergoing CAG or PCI. This study does not support the standard use of oxazepam or midazolam as premedication to reduce anxiety.

Original languageEnglish
Article numbere000833
JournalOpen Heart
Volume5
Issue number2
DOIs
Publication statusPublished - 3 Oct 2018
Externally publishedYes

Bibliographical note

Funding This study was initiated and sponsored by the Heart Center of the Academic Medical Center.

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