2005
Risk stratification models fail to predict hospital costs of cardiac surgery patients
Hekmat K, Raabe A, Kroener A, Fischer U, Suedkamp M, Geissler H, Schwinger R, Kampe S, Mehlhorn U. Risk stratification models fail to predict hospital costs of cardiac surgery patients. Clinical Research In Cardiology 2005, 94: 748-753. PMID: 16258777, DOI: 10.1007/s00392-005-0300-8.Peer-Reviewed Original ResearchConceptsRisk stratification modelLength of stayTotal hospital costsCardiac surgical patientsHospital costsStratification modelSurgical patientsICU LOSCardiac surgery patientsConsecutive adult patientsPreoperative diagnostic testsICU staySurgery patientsAdult patientsCardiac surgeryRisk stratificationSpearman correlation coefficientProspective studyMean ageResultsA totalMethodsBetween OctoberMortality ratePatientsLinear regression analysisRoom costs
2002
Impact of cardiopulmonary bypass management on postcardiac surgery renal function
Fischer U, Weissenberger W, Warters R, Geissler H, Allen S, Mehlhorn U. Impact of cardiopulmonary bypass management on postcardiac surgery renal function. Perfusion 2002, 17: 401-406. PMID: 12470028, DOI: 10.1191/0267659102pf610oa.Peer-Reviewed Original ResearchConceptsPostoperative acute renal failureAcute renal failureNormal preoperative renal functionPreoperative renal functionPostoperative renal dysfunctionPostoperative renal functionRenal functionCardiopulmonary bypassCPB durationRenal dysfunctionCPB flowArterial pressurePerfusion pressurePerioperative low cardiac output syndromeCPB managementLow cardiac output syndromeNormal postoperative renal functionLonger CPB durationMean arterial pressureCardiac surgical proceduresGroup of patientsCardiopulmonary bypass managementFuture clinical studiesARF preventionOutput syndrome