Anesthesia and analgesia
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Anesthesia and analgesia · Jul 2015
Comparative StudyThe Influence of Acute Pulmonary Hypertension on Cardiac Output Measurements: Calibrated Pulse Contour Analysis, Transpulmonary and Pulmonary Artery Thermodilution Against a Modified Fick Method in an Animal Model.
In critically ill patients with significant pulmonary hypertension (PH), close perioperative cardiovascular monitoring is mandatory, considering the increased morbidity and mortality in this patient group. Although the pulmonary artery catheter is still the standard for the diagnosis of PH, its use to monitor cardiac output (CO) in patients with PH is decreasing as a result of increased morbidity and possible influence of tricuspid regurgitation on the measurements. However, continuous CO measurement methods have never been evaluated under PH regarding their agreement and trending ability. In this study, we evaluated the influence of acute PH and different CO states on transpulmonary thermodilution (TPTD) and calibrated pulse contour analysis (PiCCO; both assessed with PiCCO plus™), intermittent pulmonary artery thermodilution (PATD), and continuous thermodilution (CCO) compared with a modified Fick method (FICK) in an animal model. ⋯ TPTD compared with FICK was able to track all changes induced during the study period, including those by PH. It yielded better agreement than PATD both compared with FICK. PiCCO and CCO were not mapping all changes correctly, and when used clinically in unstable patients, regular controls with intermittent techniques are required. Acute pharmacologically induced PH did influence the difference between FICK and PiCCO.
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Anesthesia and analgesia · Jul 2015
Review Meta AnalysisThe Effect of Adding a Background Infusion to Patient-Controlled Epidural Labor Analgesia on Labor, Maternal, and Neonatal Outcomes: A Systematic Review and Meta-Analysis.
PCEA with a continuous background is associated with longer second stage and greater instrumented delivery than PCEA without a background.
pearl -
Anesthesia and analgesia · Jul 2015
Randomized Controlled Trial Comparative StudyA Comparative Evaluation of Nebulized Dexmedetomidine, Nebulized Ketamine, and Their Combination as Premedication for Outpatient Pediatric Dental Surgery.
Nebulized ketamine with dexmedetomidine is suitable and effective for pediatric premedication before outpatient dental surgery.
pearl -
Anesthesia and analgesia · Jul 2015
Comparative StudyAn Exploratory Cohort Study Comparing Prothrombin Complex Concentrate and Fresh Frozen Plasma for the Treatment of Coagulopathy After Complex Cardiac Surgery.
Administration of coagulation factor concentrates to treat bleeding after cardiac surgery with cardiopulmonary bypass might be a strategy for reducing allogeneic blood transfusions, particularly for patients treated with warfarin preoperatively. We performed an exploratory analysis on whether the use of prothrombin complex concentrate (PCC) is safe and effective compared with fresh frozen plasma (FFP) to treat coagulopathy after pulmonary endarterectomy surgery with deep hypothermic circulatory arrest. ⋯ This retrospective analysis suggests that PCC may be an alternative to FFP in patients previously treated with warfarin who are coagulopathic after major cardiac surgery. Randomized controlled studies powered to evaluate efficacy and important postoperative outcomes for patients receiving PCC versus FFP for coagulopathic bleeding after cardiopulmonary bypass are warranted.
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Anesthesia and analgesia · Jul 2015
ReviewA Quantitative Approach to the Intraoperative Echocardiographic Assessment of the Mitral Valve for Repair.
Intraoperative echocardiography of the mitral valve has evolved from a qualitative assessment of flow-dependent variables to quantitative geometric analyses before and after repair. In addition, 3-dimensional echocardiographic data now allow for a precise assessment of mitral valve apparatus. Complex structures, such as the mitral annulus, can be interrogated comprehensively without geometric assumptions. ⋯ Given this context, echocardiographers may be expected to diagnose and quantify valvular dysfunction, assess suitability for repair, assist in annuloplasty ring sizing, and determine the success and failure of the repair procedure. As a result, anesthesiologists have progressed from being mere service providers to participants in the decision-making process. It is therefore prudent for them to acquaint themselves with the principles of intraoperative quantitative mitral valve analysis to assist in rational and objective decision making.