Abstract:
STUDY OBJECTIVE:To investigate the influence of duration of deep hypothermic circulatory arrest (DHCA) on recovery of the bispectral index (BIS). DESIGN:Prospective cohort study. SETTING:Operating room of university teaching hospital. PATIENTS:30 adult, ASA physical status III and IV patients scheduled for cardiac surgery with extracorporeal circulation (ECC) and DHCA. INTERVENTIONS:There were no study-specific interventions undertaken with the study patients. MEASUREMENTS:After induction of anesthesia, propofol and sufentanil were used for maintenance. Duration until BIS values reached indices of 10, 20, and 30 after DHCA was measured. DeltaBIS was defined as the difference between BIS before the start of ECC and after DHCA at the same nasopharyngeal body temperature. Data are means + or - SD (ranges). MAIN RESULTS:Duration of DHCA was 24 + or - 15 min (8-71 min). The deepest nasopharyngeal temperature was 20.1 + or - 2.7 degrees C at the end of DHCA. BIS reduction was 1.8/ degrees C. At the end of DHCA, BIS was 2 + or - 6 and at the end of ECC, BIS was 33 + or - 11. Duration until BIS reached a value of 10 (BIS10) was 23 + or - 21 min (0-83 min); until BIS reached 20 (BIS20): 36 + or - 36 min (0-140 min); and until BIS reached 30 (BIS30): 43 + or - 29 min (1-130 min). Regression analysis between duration of DHCA and BIS10 was R = 0.76; BIS20: R = 0.67; and BIS30: R = 0.54. CONCLUSION:Deep hypothermia influences BIS linearly. In addition, there appears to be a reasonable correlation between recovery of BIS values and duration of DHCA.
journal_name
J Clin Anesthjournal_title
Journal of clinical anesthesiaauthors
Ziegeler S,Buchinger H,Wilhelm W,Larsen R,Kreuer Sdoi
10.1016/j.jclinane.2009.09.007subject
Has Abstractpub_date
2010-08-01 00:00:00pages
340-5issue
5eissn
0952-8180issn
1873-4529pii
S0952-8180(10)00167-4journal_volume
22pub_type
杂志文章abstract:STUDY OBJECTIVE:Preoperative anxiety is commonly reported by people undergoing surgery. A significant number of studies have found a correlation between preoperative anxiety and post-operative morbidity. Various methods of complementary and alternative medicine (CAM) were found to be effective in alleviating preoperati...
journal_title:Journal of clinical anesthesia
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abstract::We report a case of recurrent ST-segment elevations totaling 7 times over 3 hours during subtotal gastrectomy and the early postoperative period in a patient with no history of coronary artery disease. Possible contributing factors include cold stimulus, epidural anesthesia, and inadequate depth of anesthesia. The fir...
journal_title:Journal of clinical anesthesia
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abstract:STUDY OBJECTIVE:To determine if open-access scheduling would reduce the cancellation rate for new patient evaluations in a chronic pain clinic by at least 50%. DESIGN:Retrospective, observational study using electronic health records. SETTING:Chronic pain clinic of an academic anesthesia department. PATIENTS:All pat...
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abstract:STUDY OBJECTIVES:To examine whether epidural administration of neostigmine reduces the stress and inflammatory responses thereby improving postoperative pain status. DESIGN:Randomized, double-blinded clinical study. SETTING:Operating rooms and wards of a university hospital. PATIENTS:40 ASA physical status I patient...
journal_title:Journal of clinical anesthesia
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journal_title:Journal of clinical anesthesia
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更新日期:2013-02-01 00:00:00
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