Document Detail

Does Near-infrared Spectroscopy Provide an Early Warning of Low Haematocrit Following the Initiation of Hypothermic Cardiopulmonary Bypass in Cardiac Surgery?
MedLine Citation:
PMID:  21986153     Owner:  NLM     Status:  In-Data-Review    
This study investigated 151 patients undergoing cardiac surgery to determine whether measurement of regional cerebral oxygen saturation (rS(c)O(2)) using near-infrared spectroscopy (NIRS) can indicate a low haematocrit after initiation of hypothermic cardiopulmonary bypass (CPB). Haematocrit, rS(c)O(2), haemoglobin level, arterial partial pressures of carbon dioxide and oxygen, systemic blood pressure, and nasopharyngeal and rectal temperatures were determined 5 min after the initial administration of heparin for CPB and 90 s after completion of the first cardioplegic solution injection. Immediately after initiation of hypothermic CPB, rS(c)O(2), haemoglobin and haematocrit values were significantly lower than those before CPB. No significant correlations were found between the change in haematocrit and changes in left, right and mean rS(c)O(2); thus, changes in rS(c)O(2) before and after initiation of hypothermic CPB did not reflect changes in haematocrit values. This indicates that NIRS cannot provide early warning of a low haematocrit immediately after initiation of hypothermic CPB in cardiac surgery.
T Y Sung; W S Kang; S J Han; J S Kim; H K Chee; J K Shin; S H Kim
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of international medical research     Volume:  39     ISSN:  1473-2300     ISO Abbreviation:  J. Int. Med. Res.     Publication Date:  2011  
Date Detail:
Created Date:  2011-10-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0346411     Medline TA:  J Int Med Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  1497-503     Citation Subset:  IM    
Department of Anaesthesiology and Pain Medicine, Konyang University Hospital, Daejeon, Republic of Korea.
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