Pain upon inserting a peripheral intravenous catheter: Size does not matter

Fredericus H.J. van Loon, Lisette A.P.M. Puijn, Wesly H. van Aarle, Angelique T.M. Dierick-van Daele, R.A. Bouwman

Research output: Contribution to journalArticleAcademicpeer-review

27 Citations (Scopus)


Background: Approximately 1.2 billion peripheral intravenous catheters are inserted across the world annually. It is known that intravenous cannulation may be a painful procedure, which affects cognitive abilities by increasing anxiety and discomfort. Aim: We hypothesized that inserting a smaller sized peripheral intravenous catheter has a lower level of pain sensation compared to a larger sized catheter. Methods: This observational, cross-sectional study was conducted between May and October 2016, in which surgical patients, aged 18 years or older, were eligible to participate. Experienced anesthesiologists and nurse anesthetists routinely obtained peripheral intravenous access according to the standards of care. The primary outcome was pain (verbal numeric rating scale, 0–10) upon intravenous cannulation. Results: A total of 1063 patients were included and they were divided into four groups: group 1, 22 gauge (N = 29); group 2, 20 gauge (N = 447); group 3, 18 gauge (N = 531); and group 4, sized over 18 gauge (N = 56). Inserting an 18-gauged peripheral intravenous catheter resulted in the lowest pain score (3.2 ± 2.0). As a result of the multivariate linear analysis, five factors were significantly associated with pain upon inserting a peripheral intravenous catheter (sex, American Society of Anesthesiology classification, a patients risk profile on the A-DIVA scale, site of cannulation on the extremity, and whether or not the attempt was successful); however, the size of the inserted peripheral intravenous catheter had no significant relation to the primary outcome. Conclusion: Inserting a smaller sized peripheral intravenous catheter did not result in a lower pain sensation. Moreover, to prevent pain upon inserting a peripheral intravenous catheter, an unsuccessful attempt must be avoided.

Original languageEnglish
Pages (from-to)258-265
Number of pages8
JournalJournal of Vascular Access
Issue number3
Publication statusPublished - 1 May 2018


  • Catheterization
  • pain
  • peripheral
  • vascular access devices


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