What is it about?

This study aimed to validate the accuracy of the peripherally inserted central catheter (PICC) length prediction formula using only anteroposterior chest radiographs (AP-CXR) and the technical feasibility of bedside ultrasound-guided PICC placement. In conclusion, the PICC could be positioned accurately using the formula based on only AP-CXR. Furthermore, this bedside procedure was technically feasible.

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Why is it important?

Bedside PICC placement is useful for patients who cannot endure intra-hospital transport due to cardiopulmonary instability or when there are concerns about isolation precautions due to any infection-related contamination. Using the PICC length prediction formula by Park et al., the PICC could be positioned accurately based on only AP-CXR.


I hope that this paper will be helpful to all patients requiring bedside peripherally inserted central catheters (PICC) and healthcare workers. This study validates the non-contact prediction of PICC length using anteroposterior chest X-rays (AP-CXR), which are the most commonly taken images at the bedside, in the real world. I hope it can be usefully applied to patients for whom intrahospital transfer may be dangerous due to hemodynamic instability or limited due to concerns about infection or other factors.

Sung-Joon Park
Korea University Ansan Hospital

Read the Original

This page is a summary of: Validation of the PICC length prediction formula based on anteroposterior chest radiographs for bedside ultrasound-guided placement, PLoS ONE, November 2022, PLOS,
DOI: 10.1371/journal.pone.0277526.
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