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Changes of dorsalis pedis artery flow pattern after caudal block in children: observational study using a duplex sonography.

Authors
 Jeong-Yeon Hong  ;  Seohui Ahn  ;  Hae K. Kil 
Citation
 PEDIATRIC ANESTHESIA, Vol.21(2) : 116-120, 2011 
Journal Title
PEDIATRIC ANESTHESIA
ISSN
 1155-5645 
Issue Date
2011
MeSH
Amides ; Anesthesia, Caudal/methods* ; Anesthesia, Inhalation ; Anesthetics, Inhalation ; Anesthetics, Local ; Arteries/diagnostic imaging* ; Arteries/drug effects* ; Blood Volume/physiology ; Child, Preschool ; Female ; Hemodynamics/physiology ; Humans ; Infant ; Male ; Methyl Ethers ; Monitoring, Intraoperative ; Reproducibility of Results ; Ultrasonography, Doppler, Duplex ; Urologic Surgical Procedures
Keywords
caudal block ; children ; dorsalis pedis artery ; duplex sonography ; hemodynamic
Abstract
OBJECTIVE: To evaluate the changes of the flow velocity, the volume flow, and the diameter of dorsalis pedis artery using a duplex ultrasonography after caudal block with sevoflurane anesthesia in children.

AIM: To know the acute change in peripheral arterial flow patterns of sympathetically blocked lower limbs in anesthetized children.

BACKGROUND: Caudal analgesia in combination with general anesthesia may affect the circulatory hemodynamics due to sympatholytic vasodilating effects.

METHODS: After approval by the Ethics Committee, we evaluated the changes of peripheral hemodynamics using a duplex ultrasonography before and after a caudal block in sevoflurane-anesthetized children.

RESULTS: A caudal block using 0.15% ropivacaine 1.5 ml·kg(-1) significantly altered the arterial flow patterns; increased peak velocity (24%) and volume flow (76%), and the diameter of the dorsalis pedis artery (20%) in children. However, blood pressures and heart rates were not affected significantly by caudal block.

CONCLUSIONS: Duplex sonographic measurements indicate that a caudal block changes the flow patterns of the dorsalis pedis artery significantly in the anesthetized children.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/j.1460-9592.2010.03483.x/abstract
DOI
10.1111/j.1460-9592.2010.03483.x
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Kil, Hae Keum(길혜금)
Hong, Jeong Yeon(홍정연)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/92932
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