Key result
An indwelling centrally inserted central catheter did not affect the accuracy of PICC tip location using IC-ECG guidance compared to controls without a CICC.
Why the study?
It was unknown whether an indwelling centrally inserted central catheter affects peripherally inserted central catheter tip positioning using intracavity electrocardiogram guidance.
Does an indwelling CICC affect the accuracy of PICC tip positioning with IC-ECG guidance in patients requiring PICC insertion?
Case-Control
Does an indwelling CICC affect the accuracy of PICC tip positioning with IC-ECG guidance in patients requiring PICC insertion?
The presence of an indwelling centrally inserted central catheter does not interfere with the accuracy of IC-ECG guidance for PICC tip positioning.
Answers are grounded in this paper and cite their sources.
Supports IC-ECG for PICC placement despite indwelling CICCs; hypothesis-generating and needs prospective validation.
Background: Intracavity electrocardiogram (IC-ECG) guidance is an effective technology for monitoring the tip locations of centrally inserted central catheters (CICCs) and peripherally inserted central catheters (PICCs). However, for patients with an indwelling CICC, there has been no study on whether the CICC affects PICC tip positioning with IC-ECG guidance. Methods: Thirty people with a CICC requiring PICC insertion, matched with age to controls without a CICC. The stability of IC-ECG waveforms, the amplitude of P-waves, and the accuracy of PICC tip location were compared. Results: There was no significant difference in the stability of the IC-ECG waveforms (χ 2 = 0.22, p = 0.64). The amplitudes of baseline P-waves and ideal P-waves also showed no significant difference ( t1 = 0.06, p1 = 0.96, t2 = 0.80, p2 = 0.43). Neither the accuracy of tip location (χ 2 = 1.40, p = 0.50) nor the distance of PICC tip ( t = −0.03, p = 0.98) were significantly different. Conclusion: For patients with an indwelling CICC, the position of PICC tip can be accurately determined by the dynamic changes in the P-wave amplitude.
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Sun et al. (2021) conducted a case-control in Requiring PICC insertion. Indwelling centrally inserted central catheter (CICC) vs. Controls without a CICC was evaluated on Accuracy of PICC tip location (p=0.50). An indwelling centrally inserted central catheter did not affect the accuracy of PICC tip location using IC-ECG guidance compared to controls without a CICC.
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