Evaluation of the In Vitro Pre-Measurement Method for PICC in Premature Infants
Objective To investigate the feasibility of applying a modified version of the extracorporeal pre-measurement method in the placement of peripherally inserted central venous catheters ( PICC ) in preterm infants.Methods A total of 95 premature infants who underwent PICC treatment from December 1,2018,to August 31,2022,at the Children's Hospital Affiliated to Capital Institute of Pediatrics were enrolled.They were randomly divided into two groups.The control group ( 47 patients ) was measured with standard in vitro pre-measurement,while the experimental group ( 48 patients ) used the improved in vitro pre-measurement method.The tip insertion success rate,catheter insertion length,and dwell time were compared between the two groups.Results The tip insertion success rate in the experimental group ( 87.5% ) was significantly higher compared to the control group ( 59.57% ) ( P<0.05 ) .There was no statistically significant difference between the experimental and control groups in terms of catheter insertion length and dwell time ( P>0.05 ) .Conclusion The improved in vitro pre-measurement method aligns more closely with the ideal catheter insertion depth,resulting in a lower deviation rate,and is easier to measure and operate.
Premature infantsPeripherally inserted central venous catheterIn vitro pre-measurement methodOperation and technique utilization