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Arterial access in infants and children
1Division of Pediatric Surgery, Pennsylvania State University College of Medicine, Hershey.
Seminars in Pediatric Surgery
|August 1, 1992
Summary
Intraarterial catheters offer continuous blood pressure monitoring and blood sampling but carry risks. Careful consideration is essential due to potential complications like vessel injury and infection.
Area of Science:
- Pediatric critical care medicine
- Vascular access techniques
- Patient monitoring
Background:
- Intraarterial catheters have been used since the 1970s for monitoring and sampling arterial blood.
- Their application rapidly expanded to pediatric and infant care.
- Placement can be technically demanding, particularly in neonates.
Purpose of the Study:
- To review the indications for intraarterial catheter use.
- To highlight the potential complications associated with intraarterial catheters.
- To emphasize the need for careful consideration before placement.
Main Methods:
- Review of existing literature on intraarterial catheter use and complications.
- Analysis of common complications including vessel injury, thrombosis, embolization, and infection.
- Discussion of technical challenges in catheter placement.
Main Results:
- Intraarterial catheters can cause direct vessel injury, leading to thrombosis or occlusion.
- Complications include distal embolization, ischemia, retrograde flow, and local site issues like hematoma and infection.
- Catheters may also be a source of systemic sepsis.
Conclusions:
- Despite low complication rates, intraarterial catheter placement poses risks of severe injury.
- Judicious use and meticulous technique are paramount.
- The potential for devastating outcomes necessitates careful deliberation before catheter insertion.