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. 2023 Sep;24(5):879-888.
doi: 10.1177/11297298211053447. Epub 2021 Nov 11.

Implementation of ultrasound after central venous catheter insertion: A qualitative study in early adopters

Enyo A Ablordeppey  1   2 , Shannon M Keating  1 , Katherine M Brown  3 , Daniel L Theodoro  2 , Richard T Griffey  2 , Aimee S James  3
Affiliations

Implementation of ultrasound after central venous catheter insertion: A qualitative study in early adopters

Enyo A Ablordeppey et al. J Vasc Access. 2023 Sep.

Abstract

Background: The adoption rate of point of care ultrasound (POCUS) for the confirmation of central venous catheter (CVC) positioning and exclusion of post procedure pneumothorax is low despite advantages in workflow compared to traditional chest X-ray (CXR). To explore why, we convened focus groups to address barriers and facilitators of implementation for POCUS guided CVC confirmation and de-implementation of post-procedure CXR.

Methods: We conducted focus groups with emergency medicine and critical care providers to discuss current practices in POCUS for CVC confirmation. The semi-structured focus group interview guide was informed by the Consolidated Framework for Implementation Research (CFIR). We performed qualitative content analysis of the resulting transcripts using a consensual qualitative research approach (NVivo software), aiming to identify priority categories that describe the barriers and facilitators of POCUS guided CVC confirmation.

Results: The coding dictionary of barriers and facilitators consisted of 21 codes from the focus group discussions. Our qualitative analysis revealed that 12 codes emerged spontaneously (inductively) within the focus group discussions and aligned directly to CFIR constructs. Common barriers included provider influences (e.g. knowledge and beliefs about POCUS for CVC confirmation), external network (e.g. societal guidelines, ancillary staff, and consultants), and inertia (habit or reflexive processes). Common facilitators included ultrasound protocol advantage and champions. Time and provider outcomes (cognitive offload, ownership, and independence) emerged as early barriers but late facilitators.

Conclusion: Our qualitative analysis demonstrates real and perceived barriers against implementation of POCUS for CVC position confirmation and pneumothorax exclusion. Our findings discovered organizational and personal constructs that will inform development of multifaceted strategies toward implementation of POCUS after CVC insertion.

Keywords: CFIR; Central lines; focus groups; qualitative methods; ultrasonography.

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Conflict of interest statement

Declaration of conflicting interestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

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