2009
Regulation of Endothelial Nitric Oxide Synthase (eNOS) in Myocardium Subjected to Cardioplegic Arrest
Fischer U, Klass O, Cox C, Stock U, Antonyan A, Brixius K, Fischer J, Mehlhorn U, Bloch W. Regulation of Endothelial Nitric Oxide Synthase (eNOS) in Myocardium Subjected to Cardioplegic Arrest. The Thoracic And Cardiovascular Surgeon 2009, 57: 379-385. PMID: 19795322, DOI: 10.1055/s-0029-1185873.Peer-Reviewed Original ResearchAnimalsCardiopulmonary BypassEnzyme ActivationFemaleHeart Arrest, InducedHeart VentriclesImmunohistochemistryMaleMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Models, AnimalMyocardial ContractionMyocardiumNitric Oxide Synthase Type IIIPhosphorylationProto-Oncogene Proteins c-aktSerineSwineThreonineTime FactorsVentricular Function, Left
2004
Effect of the Na+/H+ exchange inhibitor eniporide on cardiac performance and myocardial high energy phosphates in pigs subjected to cardioplegic arrest
Klass O, Fischer U, Perez E, Easo J, Bosse M, Fischer J, Tossios P, Mehlhorn U. Effect of the Na+/H+ exchange inhibitor eniporide on cardiac performance and myocardial high energy phosphates in pigs subjected to cardioplegic arrest. The Annals Of Thoracic Surgery 2004, 77: 658-663. PMID: 14759455, DOI: 10.1016/s0003-4975(03)01604-7.Peer-Reviewed Original ResearchMeSH KeywordsAdenine NucleotidesAnimalsCardiopulmonary BypassDose-Response Relationship, DrugEnergy MetabolismGlycogenGuanidinesHeart Arrest, InducedHemodynamicsMyocardial ContractionMyocardial Reperfusion InjuryPremedicationSodium-Hydrogen ExchangersSulfonesSwineVentricular Function, LeftWater-Electrolyte BalanceConceptsIschemia/reperfusionCardiopulmonary bypassCardioplegic arrestCrystalloid cardioplegic arrestCardiac performanceMyocardial adenine nucleotidesPreload recruitable stroke workMyocardial ischemia/reperfusionLeft ventricular isovolumic relaxationCold crystalloid cardioplegic arrestRecruitable stroke workMyocardial high-energy phosphatesHigh-energy phosphate contentHealthy pig heartsVentricular isovolumic relaxationAdenine nucleotidesRelevant pig modelHigh-energy phosphatesCardiac indexStandard hemodynamicsAcute studySystemic infusionStroke workVascular pressuresIsovolumic relaxation
2003
Cardioplegic arrest induces apoptosis signal-pathway in myocardial endothelial cells and cardiac myocytes
Fischer U, Klass O, Stock U, Easo J, Geissler H, Fischer J, Bloch W, Mehlhorn U. Cardioplegic arrest induces apoptosis signal-pathway in myocardial endothelial cells and cardiac myocytes. European Journal Of Cardio-Thoracic Surgery 2003, 23: 984-990. PMID: 12829076, DOI: 10.1016/s1010-7940(03)00113-1.Peer-Reviewed Original ResearchNitrotyrosine and 8-isoprostane formation indicate free radical-mediated injury in hearts of patients subjected to cardioplegia
Mehlhorn U, Krahwinkel A, Geissler H, LaRosee K, Fischer U, Klass O, Suedkamp M, Hekmat K, Tossios P, Bloch W. Nitrotyrosine and 8-isoprostane formation indicate free radical-mediated injury in hearts of patients subjected to cardioplegia. Journal Of Thoracic And Cardiovascular Surgery 2003, 125: 178-183. PMID: 12539002, DOI: 10.1067/mtc.2003.97.Peer-Reviewed Original ResearchConceptsEnd of bypassCardiopulmonary bypassCyclic guanosine monophosphateMyocardial ischemiaIntermittent cold blood cardioplegiaConstitutive nitric oxide synthaseNitric oxide synthase activityNitric oxide synthase activationCyclic guanosine monophosphate contentOxygen-derived free radicalsCardiac myocytesCoronary endothelial injuryCoronary artery operationsFree radical-mediated lipid peroxidationCold blood cardioplegiaFree radical-mediated injuryGuanosine monophosphateHearts of patientsOxide synthase activityNitric oxide synthaseRadical-mediated lipid peroxidationVentricular biopsy specimensRadical-mediated injuryNitric oxide releaseBlood cardioplegia
2001
Impact of myocardial protection during coronary bypass surgery on patient outcome
Mehlhorn U, Fattah M, Kuhn-Régnier F, Südkamp M, Geissler H, Raji M, Fischer U, de Vivie E. Impact of myocardial protection during coronary bypass surgery on patient outcome. Vascular 2001, 9: 482-486. PMID: 11489654, DOI: 10.1016/s0967-2109(01)00024-2.Peer-Reviewed Original ResearchConceptsCoronary artery surgeryConventional cardioplegiaArtery surgeryMyocardial protectionRenal failureNeurological symptomsPatient outcomesUltra-short acting beta-blocker esmololIntensive care unit stayPerioperative myocardial infarction ratePreoperative left ventricular functionRoutine coronary artery surgeryBeta-blocker esmololTotal hospital stayPostoperative renal failureCoronary bypass surgeryMyocardial infarction rateContinuous coronary perfusionLeft ventricular functionMyocardial protection techniquesIntensive care unitMechanical circulatory supportPositive inotropic medicationTime of mobilizationCardioplegia technique