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
2008
Mechanics of the left ventricular myocardial interstitium: effects of acute and chronic myocardial edema
Desai K, Laine G, Stewart R, Cox C, Quick C, Allen S, Fischer U. Mechanics of the left ventricular myocardial interstitium: effects of acute and chronic myocardial edema. AJP Heart And Circulatory Physiology 2008, 294: h2428-h2434. PMID: 18375722, DOI: 10.1152/ajpheart.00860.2007.Peer-Reviewed Original ResearchConceptsLeft ventricular chamber complianceMyocardial interstitial edemaChronic myocardial edemaInterstitial edemaMyocardial edemaMyocardial interstitiumChamber complianceCardiac functionCoronary sinus pressure elevationVentricular chamberDiastolic cardiac functionPulmonary artery bandingLeft ventricular chamberAcute myocardial edemaPressure-volume relationshipEdema formsEdematous heartInterstitial fibrosisPressure elevationAcute edemaChronic oedemaEdema resultsControl animalsEdemaInterstitial fluid pressure
2005
Mild Hypothermia Impairs Left Ventricular Diastolic but Not Systolic Function
Fischer U, Cox C, Laine G, Mehlhorn U, Allen S. Mild Hypothermia Impairs Left Ventricular Diastolic but Not Systolic Function. Journal Of Investigative Surgery 2005, 18: 291-296. PMID: 16319049, DOI: 10.1080/08941930500327047.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBody TemperatureCardiac OutputCardiopulmonary BypassDiastoleDogsFemaleHemodynamicsHypothermia, InducedMaleSystoleVentricular Function, LeftConceptsPreload recruitable stroke workSystolic functionCardiopulmonary bypassCardiac outputCardioplegic arrestBody temperatureEarly post-CPB periodPost-CPB periodImpact of hypothermiaLeft ventricular functionRecruitable stroke workDP/Ventricular diastolicDiastolic functionCardiac dysfunctionVentricular functionLV diastolicHYPO groupCPB periodMyocardial protectionAnesthetized dogsMild hypothermiaStroke workLV micromanometerBaseline levels
2004
Myocardial apoptosis prevention by radical scavenging in patients undergoing cardiac surgery
Fischer U, Tossios P, Huebner A, Geissler H, Bloch W, Mehlhorn U. Myocardial apoptosis prevention by radical scavenging in patients undergoing cardiac surgery. Journal Of Thoracic And Cardiovascular Surgery 2004, 128: 103-108. PMID: 15224028, DOI: 10.1016/j.jtcvs.2003.11.034.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcysteineAgedApoptosisCardiopulmonary BypassCaspase 3Caspase 7CaspasesCoronary Artery BypassCoronary Artery DiseaseDouble-Blind MethodEnzyme ActivationFemaleFree Radical ScavengersHeart RateHumansMaleMiddle AgedMyocardiumMyocytes, CardiacTreatment OutcomeVascular ResistanceVentricular Function, LeftVentricular PressureConceptsVentricular biopsy samplesN-acetylcysteineCardioplegic arrestBiopsy samplesCoronary artery bypass graft patientsLeft ventricular cardiac myocytesCardiac surgery patientsBypass graft patientsDouble-blind fashionConfidence intervalsCaspase-3Apoptosis inductionVentricular cardiac myocytesOxygen-derived speciesGraft patientsGray unitsSurgery patientsCardiac surgeryCardiopulmonary bypassClinical outcomesActive caspase-3Myocardial ischemiaApoptosis signal cascadePatientsCardiac myocytesEffect 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