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Venepuncture versus heel lance for blood sampling in term neonates
1Department of Paediatrics, Mount Sinai Hospital, 600 University Avenue, Toronto, Ontario, Canada, M5G 1X5. ohlsson@mtsinai.on.ca
The Cochrane Database of Systematic Reviews
|June 19, 2001
Summary
Venepuncture is less painful and more effective for neonatal blood sampling than heel lance. This method reduces the need for repeat punctures, making it the preferred choice for trained professionals.
Area of Science:
- Neonatal care
- Pediatric phlebotomy
- Pain management in infants
Background:
- Heel lance is the standard for neonatal blood sampling but causes pain.
- Current interventions for heel lance pain are insufficient.
- Effective and practical pain alleviation methods are needed for neonates.
Purpose of the Study:
- To compare the pain and effectiveness of venepuncture versus heel lance for blood sampling in term neonates.
Main Methods:
- Systematic review of randomized controlled trials comparing venepuncture and heel lance.
- Searched MEDLINE, EMBASE, CINAHL, Cochrane Library, and reference lists.
- Analyzed pain response using validated measures and secondary outcomes like repeat sampling and bruising.
Main Results:
- Venepuncture showed significantly lower pain scores compared to heel lance across multiple validated measures.
- Meta-analysis indicated a reduced need for repeat skin punctures with venepuncture (RR 0.30, NNT 2.56).
- Maternal anxiety was higher pre-procedure for venepuncture, but mothers perceived less infant pain post-procedure.
Conclusions:
- Venepuncture by trained phlebotomists is recommended for neonatal blood sampling.
- This method can avoid repeat punctures, improving efficiency.
- Further rigorous trials are needed to confirm findings, especially in diverse clinical settings.