2012
Contribution of Endogenous Bradykinin to Fibrinolysis, Inflammation, and Blood Product Transfusion Following Cardiac Surgery: A Randomized Clinical Trial
Balaguer JM, Yu C, Byrne JG, Ball SK, Petracek MR, Brown NJ, Pretorius M. Contribution of Endogenous Bradykinin to Fibrinolysis, Inflammation, and Blood Product Transfusion Following Cardiac Surgery: A Randomized Clinical Trial. Clinical Pharmacology & Therapeutics 2012, 93: 326-334. PMID: 23361105, PMCID: PMC4031681, DOI: 10.1038/clpt.2012.249.Peer-Reviewed Original ResearchConceptsBradykinin B2 receptor antagonismB2 receptor antagonismCardiopulmonary bypassEndogenous bradykininTissue-type plasminogen activatorHoe 140Receptor antagonismBradykinin B2 receptor antagonistSubsequent transfusion requirementsBlood product transfusionProportion of patientsB2 receptor antagonistD-dimer concentrationD-dimer formationEACA treatmentTransfusion requirementsPostoperative bleedingProduct transfusionBlood lossCardiac surgeryInflammatory cytokinesReceptor antagonistClinical trialsFibrinolytic capacityInflammatory responseComparative Effects of Angiotensin Receptor Blockade and ACE Inhibition on the Fibrinolytic and Inflammatory Responses to Cardiopulmonary Bypass
Billings F, Balaguer J, Yu C, Wright P, Petracek M, Byrne J, Brown N, Pretorius M. Comparative Effects of Angiotensin Receptor Blockade and ACE Inhibition on the Fibrinolytic and Inflammatory Responses to Cardiopulmonary Bypass. Clinical Pharmacology & Therapeutics 2012, 91: 1065-1073. PMID: 22549281, PMCID: PMC3822756, DOI: 10.1038/clpt.2011.356.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngiotensin II Type 1 Receptor BlockersAngiotensin-Converting Enzyme InhibitorsBenzimidazolesBiphenyl CompoundsBlood TransfusionBradykininCardiopulmonary BypassEndpoint DeterminationFemaleFibrinolysisHematocritHospital MortalityHumansInflammationInterleukinsLength of StayMaleMiddle AgedMonitoring, IntraoperativePerioperative CarePostoperative ComplicationsRamiprilTetrazolesTreatment OutcomeConceptsAngiotensin II type 1 receptor blockadeACE inhibitionCardiopulmonary bypassReceptor blockadeInflammatory responseType 1 receptor blockadeTissue-type plasminogen activator concentrationAngiotensin receptor blockadeEffect of angiotensinRed cell transfusionDay of surgeryPlasminogen activator inhibitor-1Activator inhibitor-1Plasminogen activator concentrationsHospital stayPlasma transfusionIL-10ACE inhibitorsIL-8Intraoperative fibrinolysisFibrinolysisInhibitor-1Comparative effectsPlaceboTransfusion
2010
Early Postoperative Statin Therapy Is Associated With a Lower Incidence of Acute Kidney Injury After Cardiac Surgery
Billings FT, Pretorius M, Siew ED, Yu C, Brown NJ. Early Postoperative Statin Therapy Is Associated With a Lower Incidence of Acute Kidney Injury After Cardiac Surgery. Journal Of Cardiothoracic And Vascular Anesthesia 2010, 24: 913-920. PMID: 20599398, PMCID: PMC2992577, DOI: 10.1053/j.jvca.2010.03.024.Peer-Reviewed Original ResearchMeSH KeywordsAcute Kidney InjuryAgedAnesthesiaAnticoagulantsAprotininAtrial FibrillationBody Mass IndexCardiac Surgical ProceduresCardiopulmonary BypassCritical CareFemaleHemostaticsHumansHydroxymethylglutaryl-CoA Reductase InhibitorsKidney Function TestsLogistic ModelsMaleMiddle AgedPostoperative CarePostoperative ComplicationsRisk AssessmentTreatment OutcomeConceptsAcute kidney injuryPostoperative statin usePreoperative statin useStatin useCardiac surgery patientsBody mass indexStatin withdrawalKidney injuryStatin treatmentSurgery patientsCardiac surgeryMass indexLower incidenceIncidence of AKIRisk of AKIHigh central venous pressureElective cardiac surgery patientsHigher body mass indexLogistic regressionAKI risk factorsChronic statin usersPerioperative statin usePostoperative statin therapyPreoperative statin treatmentCentral venous pressure
2007
Plasminogen Activator Inhibitor-1 as a Predictor of Postoperative Atrial Fibrillation After Cardiopulmonary Bypass
Pretorius M, Donahue BS, Yu C, Greelish JP, Roden DM, Brown NJ. Plasminogen Activator Inhibitor-1 as a Predictor of Postoperative Atrial Fibrillation After Cardiopulmonary Bypass. Circulation 2007, 116: i-1-i-7. PMID: 17846288, DOI: 10.1161/circulationaha.106.677906.Peer-Reviewed Original ResearchConceptsPostoperative atrial fibrillationPAI-1 antigen concentrationsCardiopulmonary bypassAtrial fibrillationPlasminogen activator inhibitor-1Remote historyIndependent predictorsActivator inhibitor-1Antigen concentrationPAI-1Development of AFRisk of AFInhibitor-1Administration of protaminePreoperative PAI-1Elective cardiac surgeryTime of surgeryPAI-1 concentrationsBlood of patientsHospital stayValve surgeryAdult patientsYounger patientsCardiac surgerySignificant morbidity
2005
A pilot study indicating that bradykinin B2 receptor antagonism attenuates protamine‐related hypotension after cardiopulmonary bypass
Pretorius M, Scholl FG, McFarlane JA, Murphey LJ, Brown NJ. A pilot study indicating that bradykinin B2 receptor antagonism attenuates protamine‐related hypotension after cardiopulmonary bypass. Clinical Pharmacology & Therapeutics 2005, 78: 477-485. PMID: 16321614, DOI: 10.1016/j.clpt.2005.08.010.Peer-Reviewed Original ResearchConceptsMean arterial pressureSaline solution groupT-PA activityAdministration of protamineCardiopulmonary bypassProtamine administrationHoe 140Receptor antagonismBradykinin concentrationsSolution groupTissue-type plasminogen activator releaseACE inhibitor-treated patientsBradykinin B2 receptor antagonismReceptor antagonist HOE 140Angiotensin-converting enzyme inhibitorB2 receptor antagonismInhibitor-treated patientsElective cardiac surgeryAdult male patientsBradykinin receptor antagonismDegradation of bradykininPlasminogen activator releaseSaline solutionProtamine infusionArterial pressure
2003
Angiotensin-Converting Enzyme Inhibition Alters the Fibrinolytic Response to Cardiopulmonary Bypass
Pretorius M, Murphey LJ, McFarlane JA, Vaughan DE, Brown NJ. Angiotensin-Converting Enzyme Inhibition Alters the Fibrinolytic Response to Cardiopulmonary Bypass. Circulation 2003, 108: 3079-3083. PMID: 14656921, DOI: 10.1161/01.cir.0000105765.54573.60.Peer-Reviewed Original ResearchConceptsPostoperative day 1PAI-1 antigenCardiopulmonary bypassACE inhibitorsPAI-1 expressionACEI groupACE inhibitionPlasminogen activator inhibitor-1 (PAI-1) concentrationsTPA activityTissue-type plasminogen activator antigenAngiotensin-converting enzyme inhibitionAcute graft thrombosisPreoperative ACE inhibitorsMorning of surgeryCoronary artery bypassVein graft occlusionPlasminogen activator antigenArterial blood samplesArtery bypassGraft thrombosisGraft occlusionFibrinolytic responseAngiotensin IIBlood samplesDay 1