2011
Prospective study of the incidence and predictors of thrombus in children undergoing palliative surgery for single ventricle physiology
Todd Tzanetos DR, Yu C, Hernanz-Schulman M, Barr FE, Brown NJ. Prospective study of the incidence and predictors of thrombus in children undergoing palliative surgery for single ventricle physiology. Intensive Care Medicine 2011, 38: 105-112. PMID: 21979273, PMCID: PMC4747610, DOI: 10.1007/s00134-011-2378-y.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkersCentral Nervous SystemChild, PreschoolFemaleHeart Defects, CongenitalHeart VentriclesHospitals, PediatricHumansInfantInfant, NewbornMaleMedical AuditPalliative CarePerioperative CarePostoperative ComplicationsPredictive Value of TestsProspective StudiesTennesseeThrombosisUltrasonographyConceptsSingle ventricle physiologyTissue plasminogen activator antigenCardiopulmonary bypass timePlasminogen activator antigenPlasma antithrombin IIIVentricle physiologyAntithrombin IIIBypass timePalliative surgeryVentricular functionTissue plasminogen activator antigen concentrationAortic cross-clamp timeCentral venous catheter daysLonger cardiopulmonary bypass timePoor preoperative ventricular functionPredictors of thrombusPreoperative ventricular functionChest tube outputCross-clamp timeBiomarkers of coagulationBlood product administrationLow antithrombin IIICentral venous systemIntensive care unitPlasminogen activator inhibitor-1
2006
Bradykinin and Its Metabolite Bradykinin 1-5 Inhibit Thrombin-Induced Platelet Aggregation in Humans
Murphey LJ, Malave HA, Petro J, Biaggioni I, Byrne DW, Vaughan DE, Luther JM, Pretorius M, Brown NJ. Bradykinin and Its Metabolite Bradykinin 1-5 Inhibit Thrombin-Induced Platelet Aggregation in Humans. Journal Of Pharmacology And Experimental Therapeutics 2006, 318: 1287-1292. PMID: 16772538, DOI: 10.1124/jpet.106.104026.Peer-Reviewed Original ResearchConceptsForearm blood flowNet t-PA releaseT-PA releaseThrombin-induced platelet aggregationPlatelet aggregationBradykinin 1Thrombin receptor-activating peptide-induced platelet aggregationTissue plasminogen activator antigenMajor stable metabolitePeptide-induced platelet aggregationDoses of bradykininThrombin receptor-activating peptideAntecubital venous bloodPlasminogen activator antigenArterial plasma samplesDose-dependent increaseGamma-thrombinReceptor-activating peptidePlatelet-rich plasmaPmol/minPeptide infusionBrachial arteryVenous bloodHealthy subjectsBlood flowEndogenous NO Regulates Plasminogen Activator Inhibitor-1 During Angiotensin-Converting Enzyme Inhibition
Brown NJ, Muldowney JA, Vaughan DE. Endogenous NO Regulates Plasminogen Activator Inhibitor-1 During Angiotensin-Converting Enzyme Inhibition. Hypertension 2006, 47: 441-448. PMID: 16432054, DOI: 10.1161/01.hyp.0000202478.79587.1a.Peer-Reviewed Original ResearchMeSH KeywordsAdultAldosteroneAngiotensin-Converting Enzyme InhibitorsArginineDouble-Blind MethodDrug CombinationsEnzyme InhibitorsFemaleFibrinolysisHemodynamicsHumansInfusions, IntravenousMaleMiddle AgedNG-Nitroarginine Methyl EsterNitric OxideNitric Oxide SynthasePlasminogen Activator Inhibitor 1ProdrugsRamiprilReference ValuesRenin-Angiotensin SystemConceptsPlasminogen activator inhibitor-1Plasminogen activator inhibitor-1 antigenActivator inhibitor-1Salt-replete subjectsL-arginineFibrinolytic balanceInhibitor-1Angiotensin-Converting Enzyme InhibitionNO precursor L-argininePlasminogen activator inhibitor antigenTissue-type plasminogen activator antigenEffect of angiotensinPrecursor L-argininePlasminogen activator antigenNO synthase inhibitorEnzyme inhibitionT-PA activityRenin activityD-dimerInhibitor antigenNormal subjectsSynthase inhibitorEnzyme inhibitorsT-PAAntigen
2004
Angiotensin‐converting enzyme inhibition and smoking potentiate the kinin response to cardiopulmonary bypass
Pretorius M, McFarlane JA, Vaughan DE, Brown NJ, Murphey LJ. Angiotensin‐converting enzyme inhibition and smoking potentiate the kinin response to cardiopulmonary bypass. Clinical Pharmacology & Therapeutics 2004, 76: 379-387. PMID: 15470338, DOI: 10.1016/j.clpt.2004.06.004.Peer-Reviewed Original ResearchConceptsACE inhibitor groupMinutes of CPBCardiopulmonary bypassACE inhibitorsInhibitor groupKinin responseBradykinin concentrationsEffects of CPBCoronary artery bypass surgeryTissue-type plasminogen activator antigenPreoperative ACE inhibitorsArtery bypass surgeryPostoperative day 1Concentrations of bradykininEffect of smokingPlasminogen activator antigenKallikrein-kinin systemSignificant inverse correlationArterial pressureBypass surgeryFibrinolytic responseVenous bloodACE activityDay 1Enzyme inhibitorsRelationship Between Carbamoyl-Phosphate Synthetase Genotype and Systemic Vascular Function
Summar ML, Gainer JV, Pretorius M, Malave H, Harris S, Hall LD, Weisberg A, Vaughan DE, Christman BW, Brown NJ. Relationship Between Carbamoyl-Phosphate Synthetase Genotype and Systemic Vascular Function. Hypertension 2004, 43: 186-191. PMID: 14718356, DOI: 10.1161/01.hyp.0000112424.06921.52.Peer-Reviewed Original ResearchConceptsForearm blood flowNitric oxide metabolite concentrationsNitric oxide metabolitesBlood flowOxide metabolitesNitric oxide-mediated vasodilationVascular smooth muscle reactivityAllele homozygotesTissue-type plasminogen activator antigenSystemic vascular functionSmooth muscle reactivityPlasminogen activator antigenC allele homozygotesNitric oxide productionMetabolite concentrationsVasodilator responseBrachial arteryMuscle reactivityVascular functionHealthy subjectsBlood samplesSodium nitroprussideC alleleOxide productionCarbamoyl phosphate synthetase 1
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
2002
Ethnicity Affects Vasodilation, but Not Endothelial Tissue Plasminogen Activator Release, in Response to Bradykinin
Rosenbaum DA, Pretorius M, Gainer JV, Byrne D, Murphey LJ, Painter CA, Vaughan DE, Brown NJ. Ethnicity Affects Vasodilation, but Not Endothelial Tissue Plasminogen Activator Release, in Response to Bradykinin. Arteriosclerosis Thrombosis And Vascular Biology 2002, 22: 1023-1028. PMID: 12067915, DOI: 10.1161/01.atv.0000017704.45007.1d.Peer-Reviewed Original ResearchConceptsForearm blood flowFibrinolytic functionSodium nitroprussideEffect of ethnicityAge-matched normotensive subjectsTissue plasminogen activator antigenTissue plasminogen activator releaseDoses of bradykininPlasminogen activator antigenPlasminogen activator releaseFBF responseVasodilator responseNormotensive subjectsBrachial arteryIndependent agonistsArterial samplesBlood flowAntigen releaseActivator releaseBradykininMethacholineAcetylcholineWhite AmericansNitroprussideBlack AmericansSpironolactone Abolishes the Relationship between Aldosterone and Plasminogen Activator Inhibitor-1 in Humans
Sawathiparnich P, Kumar S, Vaughan DE, Brown NJ. Spironolactone Abolishes the Relationship between Aldosterone and Plasminogen Activator Inhibitor-1 in Humans. The Journal Of Clinical Endocrinology & Metabolism 2002, 87: 448-452. PMID: 11836266, DOI: 10.1210/jcem.87.2.7980.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAldosteroneAntihypertensive AgentsBlood PressureCross-Over StudiesDiureticsDouble-Blind MethodFibrinolysisHumansHydrochlorothiazideHypertensionMaleMiddle AgedMineralocorticoid Receptor AntagonistsPlasminogen Activator Inhibitor 1Sodium Chloride Symporter InhibitorsSpironolactoneConceptsPAI-1 antigenT-PA antigenAngiotensin IITissue-type plasminogen activator antigenEffect of spironolactoneSystolic blood pressureMale hypertensive subjectsPlasminogen activator antigenPlasminogen activator inhibitor-1Plasminogen activator inhibitor-1 productionActivator inhibitor-1PAI-1 productionAldosterone systemHypertensive subjectsSerum aldosteroneBlood pressureEndogenous aldosteroneHemodynamic parametersAldosteroneStudy daysSpironolactoneHCTZPAI-1AntigenInhibitor-1
2000
Synergistic Effect of Adrenal Steroids and Angiotensin II on Plasminogen Activator Inhibitor-1 Production1
Brown N, Kim K, Chen Y, Blevins L, Nadeau J, Meranze S, Vaughan D. Synergistic Effect of Adrenal Steroids and Angiotensin II on Plasminogen Activator Inhibitor-1 Production1. The Journal Of Clinical Endocrinology & Metabolism 2000, 85: 336-344. PMID: 10634408, DOI: 10.1210/jcem.85.1.6305.Peer-Reviewed Original ResearchMeSH KeywordsAdrenal Cortex HormonesAdrenal GlandsAldosteroneAngiotensin IIAnimalsBlotting, NorthernCells, CulturedChromosome MappingDexamethasoneGenes, ReporterHumansHydrocortisoneHyperaldosteronismMuscle, Smooth, VascularMutagenesis, Site-DirectedPlasminogen Activator Inhibitor 1RatsTissue Plasminogen ActivatorTransfectionConceptsPAI-1 expressionAng IIEffects of aldosteroneAngiotensin IIVenous bloodTissue plasminogen activator antigenPAI-1 antigen concentrationsSelective adrenal veinHuman PAI-1 promoterL Ang IIPeripheral venous bloodRat aortic smooth muscle cellsAdrenal venous bloodPlasminogen activator antigenAortic smooth muscle cellsPlasminogen activator inhibitor-1 productionCultured human umbilical vein endothelial cellsPlasminogen activator inhibitor expressionPAI-1 antigenSmooth muscle cellsHuman umbilical vein endothelial cellsDose-dependent mannerUmbilical vein endothelial cellsL aldosteroneAdrenal vein
1998
Effect of Activation and Inhibition of the Renin-Angiotensin System on Plasma PAI-1
Brown N, Agirbasli M, Williams G, Litchfield W, Vaughan D. Effect of Activation and Inhibition of the Renin-Angiotensin System on Plasma PAI-1. Hypertension 1998, 32: 965-971. PMID: 9856958, DOI: 10.1161/01.hyp.32.6.965.Peer-Reviewed Original ResearchMeSH KeywordsAdultAldosteroneAngiotensin-Converting Enzyme InhibitorsCatecholaminesCircadian RhythmCreatinineDiet, Sodium-RestrictedFibrinolysisHemodynamicsHumansHydrocortisoneIsoquinolinesMalePlasminogen Activator Inhibitor 1QuinaprilReninRenin-Angiotensin SystemSodiumSupine PositionTetrahydroisoquinolinesTissue Plasminogen ActivatorConceptsLow salt intakeRenin-angiotensin systemPAI-1 antigenPlasma renin activitySalt intakeACE inhibitionMyocardial infarctionTPA antigenFibrinolytic systemPAI-1Plasminogen activator inhibitor-1 activityTissue-type plasminogen activator antigenPAI-1 antigen concentrationsPAI-1 antigen levelsThrombotic cardiovascular eventsHigh salt intakeLeft ventricular dysfunctionRecurrent myocardial infarctionPlasminogen activator antigenInhibitor-1 activityPlasma PAI-1PAI-1 activityConcomitant ACE inhibitionCardiovascular eventsRenin activity