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Do children without a known bleeding tendency undergoing PICC placement require coagulation laboratory testing?

Joel Woodley-Cook1, Joao Amaral, Bairbre Connolly

  • 1Diagnostic Imaging, Image Guided Therapy, The Hospital for Sick Children, Toronto, Canada.

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Summary
This summary is machine-generated.

Pre-procedural blood screening for hospitalized children undergoing peripherally inserted central catheter (PICC) insertion does not predict bleeding complications. Routine laboratory investigations are not recommended for these pediatric patients without a known bleeding diathesis.

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Area of Science:

  • Pediatric Medicine
  • Vascular Access
  • Hematology

Background:

  • The necessity of pre-procedural hemostatic laboratory investigations before peripherally inserted central catheter (PICC) placement is debated.
  • This is particularly relevant even when conversion to a tunneled central venous line (CVL) is considered.

Purpose of the Study:

  • To evaluate the clinical utility of pre-procedural blood screening, including hemoglobin, platelet count, and aPTT/INR, in hospitalized children without a history of bleeding disorders.
  • To assess the predictive value of these screenings for bleeding complications.

Main Methods:

  • A retrospective review was conducted on pediatric patients who underwent PICC insertion.
  • Patients were stratified into two cohorts: 0-3 months (Cohort A) and >3 months to 18 years (Cohort B).
  • Data collected included pre-procedural laboratory results and post-PICC bleeding events (major and minor).

Main Results:

  • Out of 1,441 children, 832 met inclusion criteria; 36% had abnormal lab results.
  • Major bleeding was rare (0.2% overall, 1% in Cohort B), with no transfusions required.
  • Abnormal laboratory results did not correlate with increased bleeding risk in either cohort; PPV/NPV ranged from 0.22-0.72.

Conclusions:

  • Pre-procedural blood screening is not a reliable predictor of bleeding in pediatric patients undergoing PICC insertion without a known bleeding diathesis.
  • The low incidence of major bleeding and need for CVL conversion does not support routine laboratory screening.
  • Clinical judgment should guide the need for hemostatic investigations.