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Published by : PROFESSIONAL MEDICAL PUBLICATIONS |
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ISSN 1681-715X |
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ORIGINAL ARTICLE |
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Volume 23 |
April - June (Part-II) 2007 |
Number 3 |
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The relationship between cerebral oxygen saturation
changes and Post operative neurologic complications
in patients undergoing cardiac surgery
Sohrab Negargar1, Ata Mahmoudpour2, Reza Taheri3, Sarvin Sanaie4ABSTRACT
Objective: To study the relationship between cerebral oxygen saturation changes and postoperative neurologic complications.
Methodology: Seventy two adult patients with ASA class II, III who were scheduled for elective cardiac surgery, were randomized into three groups: Group I: with CPB (on –pump) Group II: without CPB (off- pump) Group III: valve surgery. Neuropsychological outcome was assessed by the Mini-Mental State Examination (MMSE). Cerebral oxygen saturation was also measured.
Results: There was no statistical difference in desaturation of more than 20% among three groups (P=0.113) but it was significant between group I and II (P=0.042). Changes of rSo2 in different hours of surgery was significant in group I and group II (P=0.0001 in both ) but it was not significant in group III ( P=0.075) .
Conclusion: Although cerebral oximetry is a noninvasive and useful method of monitoring during cardiac surgery, it has low accuracy to determine postoperative neurologic complications.
KEYWORDS: Cerebral Oxygen Saturation, Cardiopulmonary Bypass, Neurologic Complication.
Pak J Med Sci May - June 2007 Vol. 23 No. 3 380-385
1. Sohrab Negargar,
Associate Professor of Anesthesiology,
2. Ata Mahmoudpour,
Anesthesiologist,
Fellowship of Intensive Care Medicine,
3. Reza Taheri,
Anesthesiologist,
4. Sarvin Sanaie,
General Physician,
1-4: Departement of Anesthesiology and
Intensive Care,
Shahid Madani Research Center,
Tabriz,
Iran.
Correspondence
Ata Mahmoudpour
No. 26, Homam Tabrizi Ave,
Mosaddeg square, Vali-Asr,
Tabriz – Iran.
Email: dr_am5757@yahoo.com
* Received for Publication: July 13, 2006
* Accepted: January 25, 2007
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