971 resultados para intraoperative period
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Agreed-upon procedures report on the City of Victor, Iowa for the period July 1, 2014 through June 30, 2015
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Agreed-upon procedures report on the City of Ely, Iowa for the period July 1, 2014 through June 30, 2015
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Agreed-upon procedures report on the City of Remsen, Iowa and the Remsen Municipal Utilities for the period July 1, 2014 through June 30, 2015
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Report on a review of selected general and application controls over the University of Northern Iowa’s eBusiness Payroll and Human Resources System for the period April 1, 2015 through May 27, 2015
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Abstract
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Examination report on the City of Central City, Iowa for the period July 1, 2014 through June 30, 2015
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Agreed-upon procedures report on the City of Wall Lake, Iowa for the period July 1, 2014 through June 30, 2015
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Agreed-upon procedures report on the City of Bedford, Iowa for the period July 1, 2014 through June 30, 2015
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Agreed-upon procedures report on the City of Manly, Iowa for the period July 1, 2014 through June 30, 2015
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Report on a special investigation of the City of Dubuque Carnegie-Stout Public Library for the period July 1, 2008 through April 24, 2014
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Background: It is unknown whether cerebral perfusion in geriatric and younger patients under general anaesthesia differs. Methods: We compared 2 groups of patients undergoing elective major non-cardiac surgery under standardized general anaesthesia (thiopental, sevoflurane, fentanyl, atracurium). Group 1: 18-40 yrs (n = 20), Group 2: >65 yrs (n = 37). Cerebral perfusion was investigated with transcranial Doppler and near-infrared spectroscopy (NIRS). Arterial blood pressure was monitored continuously with a Finapres device. Mx, an index allowing continuous monitoring of cerebrovascular autoregulation based on the changes in mean arterial blood pressure (MAP) and cerebral blood flow velocity was calculated. Data are shown as mean } SD. Results: MAP (86 } 9.6 vs 79 } 10.9 mm Hg, p = 0.02), end-tidal concentration of sevoflurane (1.9 } 0.3 vs 1.6 } 0.3%, p <0.01), and the cerebral tissue oxygenation index measured by NIRS (72 } 4 vs 68 } 5%, p = 0.01), were significantly lower in Group 2. The end-tidal concentration of O2 was significantly higher in Group 2 (46 } 4 vs 48 } 4% p = 0.04). There were no significant differences between Group 1 and 2 for cerebral blood flow velocity (41 } 10 vs 43 } 18 cm/s), end tidal CO2 (4.7 } 0.3 vs 4.6 } 0.3 kPa) and cerebrovascular autoregulation (Mx 0.42 } 0.2 vs 0.48 } 0.2). In Group 1 35% and in Group 2 43% of the patients had an index of autoregulation suggesting disturbed cerebrovascular autoregulation (p = n.s.). Conclusions: In elderly patients under general anaesthesia with sevoflurane the cerebral tissue oxygenation index was significantly lower than in younger patients despite higher end-tidal oxygen concentrations. Our data suggest subtle differences in cerebral perfusion between geriatric and younger
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Agreed-upon procedures report on the City of Riverdale, Iowa for the period July 1, 2014 through June 30, 2015
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Agreed-upon procedures report on the City of Joice, Iowa for the period July 1, 2014 through June 30, 2015
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Agreed-upon procedures report on the City of Martensdale, Iowa for the period July 1, 2014 through June 30, 2015
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Report on a special investigation of the City of Lakota for the period July 1, 2013 through May 31, 2015
