Sökning: onr:"swepub:oai:DiVA.org:liu-16632" > Mortality Within 2 ...
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000 | 04418naa a2200385 4500 | |
001 | oai:DiVA.org:liu-16632 | |
003 | SwePub | |
008 | 090206s2009 | |||||||||||000 ||eng| | |
009 | oai:prod.swepub.kib.ki.se:118139198 | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-166322 URI |
024 | 7 | a https://doi.org/10.1213/ane.0b013e31818f603c2 DOI |
024 | 7 | a http://kipublications.ki.se/Default.aspx?queryparsed=id:1181391982 URI |
040 | a (SwePub)liud (SwePub)ki | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Lindholm, Maj-Lisu Karolinska Institute4 aut |
245 | 1 0 | a Mortality Within 2 Years After Surgery in Relation to Low Intraoperative Bispectral Index Values and Preexisting Malignant Disease |
264 | 1 | b Ovid Technologies (Wolters Kluwer Health),c 2009 |
338 | a print2 rdacarrier | |
520 | a BACKGROUND: A correlation between deep anesthesia (defined as time with Bispectral Index (BIS) <45; T-BIS <45 and death within 1. yr after surgery has previously been reported. In order to confirm or refute these findings, we evaluated T-BIS (<45) as an independent risk factor for death within I and 2 yr after surgery and also the impact of malignancy, the predominant cause of death in the previous report. METHODS: Mortality within 2 yr after surgery, causes of death and the occurrence of malignant disease at the time of surgery were identified in a cohort of 4087 BIS-monitored patients. Statistically significant univariate predictors of mortality were identified. In order to allow for comparison with previous data, the following multivariate analysis was first done without, and thereafter with, preexisting malignancy status, the predominant cause of death. RESULTS: One-hundred-seventy-four (4.3%) patients died within I yr and another 92 during the second year (totaling 6.5% in 2 yr). T-BIS <45 was a significant predictor of 1- and 2-yr mortality when preexisting malignant disease was not among the co-variates (hazard ratio [HR] 113 [1.01-1.27] and 1.18 [1.08-1.29], respectively). Further exploration confined the significant relation between postoperative mortality and T-BIS <45 to Patients with preexisting malignant diagnoses associated with extensive Surgery and less favorable prognosis. The most powerful predictors of 2-yr mortality in the model, including preexisting malignancy, were ASA physical score class IV (HR 19.3 [7.31-51.1]), age >80 yr (HR 2.93 [1.79-4.79]), and preexisting malignancy associated with less favorable prognosis (HR 9.30 [6.60-13.1]). When the initial multivariate regression was repeated using preexisting malignancy status among the co-variates in the model, the previously significant relation between 1, and 2-yr mortality and T-BIS <45 did not reach statistical significance. CONCLUSION: Using a similar set of co-variates as in previous work, we confirmed the statistical relation between 1-yr mortality and T-BIS <45, and we extended this observation to 2-yr mortality. However, this relation is sensitive to the selection of co-variates in the statistical model, and a randomized study is required to demonstrate that there really is a causal impact from and T-BIS (<45) on postoperative mortality and, if it does, the effect is probably very weak in comparison with co-morbidity as assessed by ASA physical score, the preexisting malignancy status at surgery and age. | |
653 | a MEDICINE | |
653 | a MEDICIN | |
700 | 1 | a Traff, Stefanu Östergötlands Läns Landsting,Anestesi- och intensivvårdskliniken VIN4 aut |
700 | 1 | a Granath, Fredriku Karolinska Institutet4 aut |
700 | 1 | a Greenwald, Scott Du Aspect Medical Systems4 aut |
700 | 1 | a Ekbom, Andersu Karolinska Institutet4 aut |
700 | 1 | a Lennmarken, Claesu Linköpings universitet,Anestesiologi med intensivvård,Hälsouniversitetet4 aut0 (Swepub:liu)clale43 |
700 | 1 | a Sandin, Rolf Hu Karolinska Institutet4 aut |
710 | 2 | a Karolinska Instituteb Anestesi- och intensivvårdskliniken VIN4 org |
773 | 0 | t ANESTHESIA AND ANALGESIAd : Ovid Technologies (Wolters Kluwer Health)g 108:2, s. 508-512q 108:2<508-512x 0003-2999x 1526-7598 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-16632 |
856 | 4 8 | u https://doi.org/10.1213/ane.0b013e31818f603c |
856 | 4 8 | u http://kipublications.ki.se/Default.aspx?queryparsed=id:118139198 |
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