84 results on '"Kuhn-Régnier F"'
Search Results
2. Therapie
- Author
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Steil, E., Sieverding, L., Apitz, J., Kuhn-Regnier, F., de Vivie, E. R., Breuer, J., Baden, W., and Apitz, Jürgen, editor
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- 1998
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3. Erfolgreiche Konservierung und Transplantation von Herzen vom non-heart-beating donor (NHBD) mittels modifizierter HTK-Lösung und Coronarer 02-Persufflation (COP)
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Jeschkeit-Schubbert, S., Yotsumoto, G., Funcke, C., Kuhn-Régnier, F., Fischer, J. H., Schönleben, K., editor, Neugebauer, E., editor, Hartel, W., editor, and Menger, M. D., editor
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- 2001
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4. Myocardial ß-blockade as an alternative to cardioplegic arrest during coronary artery surgery
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Mehlhorn, U, Sauer, H, Kuhn-Régnier, F, Südkamp, M, Dhein, S, Eberhardt, F, Grond, S, Horst, M, Hekmat, K, Geissler, H.J, D. Warters, R, Allen, S.J, and Rainer de Vivie, E
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- 1999
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5. Challenges in Heart Failure Surgery: Rescue Therapy with Left Ventricular Assist Device Implantation and Four Concomitant Procedures in a High-Risk Patient with Decompensating Heart Failure
- Author
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Sabashnikov, A., additional, Kuhn-Régnier, F., additional, Fatuyllayev, J., additional, Zeriouh, M., additional, Eghbalzadeh, K., additional, Djordjevic, I., additional, Sindhu, D., additional, Choi, Y.H., additional, Rahmanian, P., additional, Wippermann, J., additional, and Wahlers, T., additional
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- 2017
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6. Managing Traps and Pitfalls during Initial Steps of ECMO Retrieval Program Using Miniaturized Portable ECMO System: What Have We Learned from the First Year?
- Author
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Sabashnikov, A., additional, Djordjevic, I., additional, Deppe, A.C., additional, Kuhn, E., additional, Slottosch, I., additional, Eghbalzadeh, K., additional, Zeriouh, M., additional, Rahmanian, P., additional, Mader, N., additional, Choi, Y.H., additional, Kuhn-Régnier, F., additional, Wippermann, J., additional, and Wahlers, T., additional
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- 2017
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7. Axillary Cannulation for Surgical Repair for Acute Stanford A Aortic Dissection: Long-term Survival and Freedom from Major Cerebrovascular Events with up to 10-year Follow-up
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Sabashnikov, A., primary, Heinen, S., additional, Eghbalzadeh, K., additional, Zeriouh, M., additional, Slottosch, I., additional, Liakopoulos, O., additional, Kroener, A., additional, Rahmanian, P., additional, Madershahian, N., additional, Choi, Y.-H., additional, Kuhn-Régnier, F., additional, Wippermann, J., additional, and Wahlers, T., additional
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- 2016
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8. Patients’ subjective reconstruction of meaning after heart transplantation
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Langenbach, M, Kuhn-Régnier, F, and Geissler, H.J
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- 2002
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9. Incidence and outcome of gastrointestinal complications after cardiopulmonary bypass
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Geißler, H, primary, Grunert, S, additional, Kröner, A, additional, Hekmat, K, additional, Fischer, U, additional, Kuhn-Régnier, F, additional, Mehlhorn, U, additional, and de Vivie, E, additional
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- 2005
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10. Effective treatment of refractory bleeding following cardiac surgery with recombinant factor VIIa
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Fischer, U, primary, Mayer, A, additional, Menzel, C, additional, Özel, O, additional, Hekmat, K, additional, Geissler, H, additional, Kuhn-Régnier, F, additional, and Mehlhorn, U, additional
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- 2005
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11. Early changes of the myocardial microvasculature in human heart transplant recipients
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Geissler, H, primary, Dashkevich, A, additional, Fischer, U, additional, Kuhn-Régnier, F, additional, Mehlhorn, U, additional, Hekmat, K, additional, Addicks, K, additional, and Bloch, W, additional
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- 2005
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12. Beta-Blockade in 200 Coronary Bypass Grafting Procedures
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Kuhn-Régnier, F., primary, Geissler, H. J., additional, Marohl, S., additional, Mehlhorn, U., additional, and de Vivie, E. R., additional
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- 2002
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13. Impact of cardiopulmonary bypass and cardioplegic arrest on myocardial efficiency
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Geissler, HJ, primary, Allen, SJ, additional, Davis, KL, additional, Sauer, H, additional, Laine, GA, additional, Kuhn-Régnier, F, additional, Dapunt, O, additional, de Vivie, ER, additional, and Mehlhorn, U, additional
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- 1999
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14. Emergency Coronary Artery Surgery After Failed PTCA: Myocardial Protection with Continuous Coronary Perfusion of Beta-Blocker-Enriched Blood
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Hekmat, K., primary, Clemens, R., additional, Mehlhorn, U., additional, Geissler, H., additional, Kuhn-Régnier, F., additional, and de Vivie, E., additional
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- 1998
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15. Coronary Oxygen Persufflation for Long-Term Myocardial Protection
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Kuhn-Régnier, F., primary, Fischer, J., additional, and Jeschkeit, S., additional
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- 1998
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16. Risk stratification in heart surgery: comparison of six score systems.
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Geissler, H J, Hölzl, P, Marohl, S, Kuhn-Régnier, F, Mehlhorn, U, Südkamp, M, and de Vivie, E R
- Abstract
Risk scores have become an important tool in patient assessment, as age, severity of heart disease, and comorbidity in patients undergoing heart surgery have considerably increased. Various risk scores have been developed to predict mortality after heart surgery. However, there are significant differences between scores with regard to score design and the initial patient population on which score development was based. It was the purpose of our study to compare six commonly used risk scores with regard to their validity in our patient population.
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- 2000
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17. Coronary oxygen persufflation combined with HTK cardioplegia prolongs the preservation time in heart transplantation.
- Author
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Kuhn-Régnier, F, Fischer, J H, Jeschkeit, S, Switkowski, R, Bardakcioglu, O, Sobottke, R, and de Vivie, E R
- Abstract
One of the most restricting factors remaining in heart transplantation is the limited myocardial ischemia time. A new approach towards the prolongation of this time is the combination of primary cardioplegic arrest followed by continuous coronary oxygen persufflation (COP) with gaseous oxygen.
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- 2000
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18. Intracoronary shunt insertion prevents myocardial stunning in a juvenile porcine MIDCAB model absent of coronary artery disease.
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Dapunt, O E, Raji, M R, Jeschkeit, S, Dhein, S, Kuhn-Régnier, F, Südkamp, M, Fischer, J H, and Mehlhorn, U
- Abstract
The relevance of regional LV myocardial ischemia/reperfusion induced by temporary left anterior descending (LAD) coronary artery occlusion during minimally invasive direct coronary artery bypass (MIDCAB) grafting is controversial. The purpose of our study was (1) to determine the impact of conventional LAD occlusion during left internal thoracic artery (LITA)-LAD anastomosis on regional LV myocardial ischemia and function, and (2) to evaluate if intra-LAD shunt insertion during LITA-LAD anastomosis prevents potential regional LV ischemia and dysfunction in a pig model.
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- 1999
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19. Beta-blockade versus Buckberg blood-cardioplegia in coronary bypass operation.
- Author
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Kuhn-Régnier, F, Natour, E, Dhein, S, Dapunt, O, Geissler, H J, LaRosé, K, Görg, C, and Mehlhorn, U
- Abstract
Continuous perfusion of the coronary arteries with beta-blocker (esmolol)-enriched normothermic blood during cardiac surgery has been suggested as an alternative technique for myocardial protection. The aim of the present study was to compare the beta-blocker technique to Buckberg's blood cardioplegia during coronary artery bypass grafting (CABG).
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- 1999
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20. 263: Sustained oxidative stress-related tissue damage and apoptosis in human cardiac allografts
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Fischer, U.M., Antonyan, A., Kuhn-Regnier, F., Geissler, H.J., Fries, J.W.U., Bloch, W., and Mehlhorn, U.
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- 2006
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21. CV4: IMPROVED MYOCARDIAL PROTECTION DURING CORONARY BYPASS SURGERY SHORTENS HOSPITAL STAY AND SAVES COSTS
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Mehlhorn, U, Fattah, M, Kuhn-Regnier, F, Geissler, HJ, Slidkamp, M, Horst, M, Hekmat, K, Dapunt, O, and de Vivie, ER
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- 1999
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22. 14.9 Improved long-term heart preservation using continuous coronary persufflation with gaseous oxygen in pigs
- Author
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Kuhn-Régnier, F., Fischer, J.H., Jeschkeit, S., Hilgenhöner, G., Switkowski, R., Bardakcioglu, Ö., Sobottke, R., July, C., and De Vivie, E.R.
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- 1997
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23. 10.12 Improved myocardial protection for CABG: β-blockade as an alternative to cardioplegia
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Mehlhorn, U., Sauer, H., Kuhn-Regnier, F., Dhein, S., Eberhardt, F., Südkamp, M., Horst, M., Hekmat, K., Geissler, H., Warters, D., Allen, S.J., and De Vivie, R.
- Published
- 1997
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24. Heart surgery and simultaneous carotid endarterectomy - 10-years single-center experience.
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Gerfer S, Ivanov B, Krasivskyi I, Djordjevic I, Gaisendrees C, Avgeridou S, Kuhn-Régnier F, Mader N, Rahmanian P, Kröner A, Kuhn E, and Wahlers T
- Subjects
- Humans, Retrospective Studies, Risk Factors, Risk Assessment, Coronary Artery Bypass adverse effects, Treatment Outcome, Endarterectomy, Carotid adverse effects, Carotid Stenosis complications, Carotid Stenosis surgery, Ischemic Attack, Transient complications, Coronary Artery Disease complications, Stroke etiology, Heart Diseases complications
- Abstract
Background: Patients with coronary artery heart disease frequently suffer concomitant carotid vascular disease and are at high perioperative risk for neurological adverse events. Several concepts regarding the timing and modality of carotid revascularization are controversially discussed in patients with heart disease. Current guidelines recommendations on myocardial revascularization recommend a concomitant carotid endarterectomy (CEA) in patients with a history of stroke/transient ischemic attack (TIA) or 50-99% grade of the carotid stenosis. Our study aimed to analyze early outcome parameters of patients undergoing coronary artery bypass grafting (CABG), but also including concomitant heart valve surgery and simultaneous CEA., Methods: This study retrospectively analyzed a cohort of 111 patients from our institutional database undergoing heart surgery with CABG or heart-valve surgery between 2010 and 2020 with concomitant carotid surgery due to significant carotid stenosis., Results: Patients undergoing heart and simultaneous carotid surgery were 77 ± 8.0 years of age with a body mass index of 28 ± 1.7 kg/m
2 and a mean EuroSCORE II of 6.5 ± 2.3. Most patients (61%) had a smoking history and arterial hypertension (97%). The preoperative mean grade of internal carotid stenosis was 87 ± 4.2%, 13% of patients suffered from internal carotid artery stenosis on both sites. In total, 4.5% of patients had previously undergone internal carotid artery intervention before and 6.3% had a history of stroke with a persistent neurologic disorder in 1.8%, 8.9% of cases had prior TIA. Thirty-day all-cause mortality was 6.3% and postoperative neurologic events occurred with 7.2% TIA and 4.5% of disabling stroke., Conclusion: Within the reported patient population of coronary artery heart disease and significant internal carotid stenosis, a one-time approach with CABG or heart-valve surgery and CEA is safe and feasible as justified by clinical and neurological postoperative outcomes., Competing Interests: Declaration of conflicting interestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.- Published
- 2023
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25. Major Adverse Cardiac and Cerebrovascular Events in Patients Undergoing Simultaneous Heart Surgery and Carotid Endarterectomy.
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Gerfer S, Bennour W, Chigri A, Elderia A, Krasivskyi I, Großmann C, Gaisendrees C, Ivanov B, Avgeridou S, Eghbalzadeh K, Rahmanian P, Kuhn-Régnier F, Mader N, Djordjevic I, Sabashnikov A, and Wahlers T
- Abstract
Background: Patients with simultaneous relevant internal carotid artery stenosis and coronary artery heart or valve disease represent a high-risk collective with respect to cerebral or cardiovascular severe events when undergoing surgery. There exist several concepts regarding the timing and modality of carotid revascularization, which are controversially discussed in patients with heart disease. More data regarding outcome predictors and measures are needed to gain a better understanding of the best treatment option of the discussed patient collective., Methods: This single-center study retrospectively analyzed n = 111 patients undergoing heart surgery with coronary artery bypass grafting or heart-valve surgery and concomitant carotid surgery due to significant internal carotid artery stenosis. In order to do so, patients were divided into two groups with respect to postoperative major adverse cardiac and cerebrovascular events (MACCE) with thirty-day all-cause mortality, valve related mortality, myocardial infarction, stroke and transitory ischemic attack., Results: Preoperative patient's characteristic in the no-MACCE and MACCE group were mainly balanced, other than higher rates of chronic obstructive pulmonary disease, chronic kidney disease, instable angina pectoris and prior transitory ischemic attack in the MACCE cohort. The analysis of intraoperative characteristics revealed a higher number of intra-aortic balloon pump implantation, which is in line for a higher number of postoperative supports. Besides MACCE, patients suffered significantly more often from postoperative bleeding events and re-thoracotomy, cardiopulmonary reanimation, new onset postoperative dialysis and prolonged intensive care unit stay related complications., Conclusions: Within the reported patient population suffering from MACCE after a simultaneous carotid endarterectomy and heart surgery, a preoperative history of transitory ischemic attack and kidney disease might account for worse outcomes, as severe events were not only neurologically driven but also associated with postoperative cardiovascular complications following heart surgical procedures.
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- 2023
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26. Aortic Paraganglioma Masking as Intramural Hematoma: When You Hear Hoofbeats Think Zebras, Not Horses.
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Gaisendrees C, Luehr M, Siemanowski J, Siebolts U, Kuhn-Régnier F, and Wahlers T
- Abstract
A 52-year-old woman presented dyspnea and angina. The computed tomography scan indicated an intramural hematoma, and the patient underwent surgery, during which a structure was excised that was identified as aortic paraganglioma. This case report underlines the importance of a multiprofessional interdisciplinary team to diagnose and treat cardiac masses. ( Level of Difficulty: Advanced. )., Competing Interests: The authors acknowledge support for the Article Processing Charge from the DFG (German Research Foundation, 491454339). The authors have reported that they have no relationships relevant to the contents of this paper to disclose., (© 2023 The Authors.)
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- 2023
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27. Impact of postoperative acute kidney injury on short-term outcomes of patients with Bentall surgery for any reason.
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Merkle-Storms J, Djordjevic I, Gaisendrees C, Ivanov B, Weber C, Krasivskyi I, Avgeridou S, Mihaylova M, Mader N, Kuhn-Régnier F, Sabashnikov A, and Wahlers T
- Subjects
- Humans, Postoperative Complications etiology, Coronary Artery Bypass adverse effects, Risk Factors, Retrospective Studies, Acute Kidney Injury epidemiology, Cardiac Surgical Procedures adverse effects
- Abstract
Background: Acute kidney injury (AKI) after cardiac surgery is a well-known risk factor for increased postoperative mortality and morbidity. The effect of postoperative developed AKI on postoperative outcomes in patients after Bentall procedure has been incompletely investigated. The present study was dedicated to assessing the impact of postoperative AKI on morbidity and 30-day mortality in this specific cohort., Methods: In a retrospective observational study, we investigated 249 patients undergoing Bentall procedure from January 2014 to March 2018 at the University Hospital of Cologne, Germany. After excluding patients with preoperative renal impairment, patients were divided into an AKI group ( n = 88) and a non-AKI group ( n = 97). Postoperative outcomes and 30-day mortality were analyzed using univariate regression analysis. AKI was defined by AKIN criteria., Results: Mortality during ICU and hospital stay, as well as 30-day mortality, was significantly higher in the AKI group (all p < 0.001). Patients with postoperative developed AKI revealed 9.3-fold higher odds for ICU mortality and 6.7-fold higher odds for 30-day mortality in comparison to non-AKI group (all p < 0.004) as well as 4.5-fold higher odds for stroke. Coronary artery bypass time, as well as cross-clamp time, were similarly distributed between groups, whereas incidences of postoperative bleeding, myocardial infarction, and need for rethoracotomy occurred significantly more often in patients with postoperatively developed AKI (all p < 0.04)., Conclusion: Patients undergoing Bentall surgery who postoperatively developed AKI showed significantly higher morbidity and mortality. AKI points out to be an early predictor for poor outcomes. Thus, as a consequence, patients with postoperatively developed AKI should be highly monitored for immediate intervention.
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- 2023
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28. Predictors of acute kidney injury in patients after extracorporeal cardiopulmonary resuscitation.
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Gaisendrees C, Ivanov B, Gerfer S, Sabashnikov A, Eghbalzadeh K, Schlachtenberger G, Avgeridou S, Rustenbach C, Merkle J, Adler C, Kuhn E, Mader N, Kuhn-Régnier F, Djordjevic I, and Wahlers T
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- Humans, Retrospective Studies, Creatinine, Cardiopulmonary Resuscitation methods, Extracorporeal Membrane Oxygenation methods, Acute Kidney Injury etiology, Acute Kidney Injury therapy
- Abstract
Objectives: Extracorporeal cardiopulmonary resuscitation (eCPR) is increasingly used due to its beneficial outcomes and results compared with conventional CPR. Data after eCPR for acute kidney injury (AKI) are lacking. We sought to investigate factors predicting AKI in patients who underwent eCPR., Methods: From January 2016 until December 2020, patients who underwent eCPR at our institution were retrospectively analyzed and divided into two groups: patients who developed AKI ( n = 60) and patients who did not develop AKI ( n = 35) and analyzed for outcome parameters., Results: Overall, 63% of patients suffered AKI after eCPR and 45% of patients who developed AKI needed subsequent dialysis. Patients who developed AKI showed higher values of creatinine (1.1 mg/dL vs 1.5 mg/dL, p ⩽ 0.01), urea (34 mg/dL vs 42 mg/dL, p = 0.04), CK (creatine kinase) (923 U/L vs 1707 U/L, p = 0.07) on admission, and CK after 24 hours of ECMO support (1705 U/L vs 4430 U/L, p = 0.01). ECMO explantation was significantly more often performed in patients who suffered AKI (24% vs 48%, p = 0.01). In-hospital mortality (86% vs 70%; p = 0.07) did not differ significantly., Conclusion: Patients after eCPR are at high risk for AKI, comparable to those after conventional CPR. Baseline urea levels predict the development of AKI during the hospital stay.
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- 2023
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29. Mitral valve surgery after failed MitraClip-Operation for the inoperable?
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Gerfer S, Ivanov B, Großmann C, Djordjevic I, Gaisendrees C, Eghbalzadeh K, Kuhn E, Kuhn-Régnier F, Mader N, Rahmanian P, and Wahlers T
- Subjects
- Humans, Mitral Valve surgery, Retrospective Studies, Aftercare, Cohort Studies, Treatment Outcome, Patient Discharge, Heart Valve Prosthesis Implantation methods, Mitral Valve Insufficiency etiology
- Abstract
Background: Percutaneous edge-to-edge mitral valve repair technique (MitraClip) is a widely used treatment for mitral regurgitation (MR) in patients assessed with high surgical risk or inoperability. Only limited experiences with this highest-risk patient population exist. Procedural failure for MitraClip or recurrent MR is a strong predictor of 1-year mortality. Open mitral valve surgery constitutes the last bailout for patients within this cohort., Methods: This retrospective single-center cohort study analyzed 17 mitral valve surgery patients after failed MitraClip. We, therefore, analyzed a high-risk patient population (EuroSCORE II = 10 ± 2.0) with persistent mitral valve regurgitation, which was mainly caused by detachment or dislocation of the MitraClip., Results: Symptomatic patients with failed MitraClip need a convenient operation (mean time to mitral valve surgery = 23 ± 44 days). The patient's collective showed many complex reoperations with the need for concomitant surgery. Considering the high-risk patient population, we showed an average 30-day all-cause mortality (18%, n = 3) accompanied by typical postoperative complications related to prolonged mechanical ventilation (44 ± 48 h) and ICU stay (11 ± 11 days), reflecting high-risk patients. Further, excellent valve-related outcomes were shown regarding adverse cardiac events (valve-related mortality 6%, n = 1) and postoperative echocardiographic results (moderate or severe paravalvular leak 6%, n = 1)., Conclusion: Failure of MitraClip represents a challenging situation limited by high-risk profiles of patients and limits the possibility of surgical valve repair, shown by a high rate of mitral valve replacement (94%, n = 16). Secondary surgery was associated with moderate 30-day and postdischarge outcomes. Therefore, a careful evaluation of patients undergoing MitraClip is of paramount importance., (© 2022 The Authors. Journal of Cardiac Surgery published by Wiley Periodicals LLC.)
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- 2022
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30. Benign and malignant cardiac masses: long-term outcomes after surgical resection.
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Gaisendrees C, Gerfer S, Schröder C, Schlachtenberger G, Walter S, Ivanov B, Eghbalzadeh K, Luehr M, Djordjevic I, Rahmanian P, Mader N, Kuhn-Régnier F, and Wahlers T
- Subjects
- Adult, Aged, Female, Humans, Male, Middle Aged, Retrospective Studies, Cardiac Surgical Procedures, Heart Neoplasms diagnosis, Myxoma complications, Myxoma pathology, Myxoma surgery, Sarcoma pathology, Sarcoma surgery
- Abstract
Introduction: Cardiac tumors represent a rare and heterogenous pathologic entity, with a cumulative incidence of up to 0.02%. This study aimed to investigate one of the largest patient cohorts published for clinical presentation and long-term outcomes after surgical resection., Areas Covered: Between 2009 and 2021, 183 consecutive patients underwent surgery for tumor excision in our center. Preoperative baseline characteristics, intraoperative data, and long-term survival were analyzed. The diagnosis was confirmed postoperatively by histology and Immunohistochemical investigations. Kaplan-Meier curves assessed survival, and the Cox proportional hazards model, was used to identify prognostic factors for overall survival., Results: This series included 183 consecutive patients; most (n = 169, 92.3%) were diagnosed with benign cardiac masses. The mean age of patients was 60 ± 16 years, and 48% (n = 88) were females. The largest group of tumors was myxoma (n = 98; 54%). The most common malignant tumor type was sarcoma (n = 5; 2.7%). The mean hospital stay was 11 ± 6.5 days, and all-cause mortality after ten years was 14%., Expert Opinion: Surgery represents the gold standard in treating primary cardiac tumors; in benign tumors, it is highly effective and curative, whereas, in malignant tumors, it remains associated with more prolonged survival.
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- 2022
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31. Cardiac tumors-sex-related characteristics and outcomes after surgical resection.
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Gaisendrees C, Gerfer S, Schlachtenberger G, Walter SG, Ivanov B, Merkle-Storms J, Mihaylova M, Sabashnikov A, Djordjevic I, Rahmanian P, Mader N, Kuhn-Régnier F, and Wahlers T
- Subjects
- Female, Humans, Male, Retrospective Studies, Treatment Outcome, Cardiac Surgical Procedures, Heart Neoplasms diagnosis, Heart Neoplasms pathology, Heart Neoplasms surgery, Myxoma diagnosis, Sarcoma pathology, Sarcoma surgery
- Abstract
Objectives: Cardiac tumors represent a rare and heterogeneous pathological entity, with a cumulative incidence of up to 0.02%. Gender was previously reported to influence outcomes after tumor surgery. This study aimed to investigate for gender-related differences in outcomes after cardiac surgery., Methods: Between 2009 and 2021, 95 male and 88 female patients underwent surgery for tumor extirpation in our center. Preoperative baseline characteristics, intraoperative data, and long-term survival were analyzed. The diagnosis was confirmed postoperatively by (immune-)histopathological analysis., Results: There were no significant differences in baseline characteristics and survival. Myxoma was the most common tumor type overall and was more diagnosed in women (n = 36 vs. n = 62, p ≤ 0.001). Sarcoma was the most common malignant tumor type (n = 5). Tumor location at the atrial septum was more likely in women (n = 26 vs. n = 16, p = 0.041), whereas ventricular localization was more common in male patients (n = 20 vs. n = 7, p = 0.001). Minimally invasive tumor extirpation was significantly more often performed in women, and in-hospital stay was shorter in female patients., Conclusion: The localization and dignity of cardiac tumors differ between genders, not affecting survival. Surgical tumor extirpation remains the gold standard of treatment for cardiac tumors in both genders as it is highly effective and associated with good long-term survivorship., (© 2022 The Authors. Journal of Surgical Oncology published by Wiley Periodicals LLC.)
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- 2022
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32. Gender-related propensity score match analysis of ECMO therapy in postcardiotomy cardiogenic shock in patients after myocardial revascularization.
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Gerfer S, Gaisendrees C, Djordjevic I, Ivanov B, Merkle J, Eghbalzadeh K, Schlachtenberger G, Rustenbach C, Sabashnikov A, Kuhn-Régnier F, Mader N, and Wahlers T
- Subjects
- Aged, Female, Humans, Male, Middle Aged, Myocardial Revascularization adverse effects, Propensity Score, Retrospective Studies, Shock, Cardiogenic etiology, Shock, Cardiogenic surgery, Treatment Outcome, Cardiac Surgical Procedures adverse effects, Extracorporeal Membrane Oxygenation adverse effects
- Abstract
Background: Gender is known to influence the pathophysiology and pathogenesis of the coronary vascular disease. Data on gender-related differences in patients with veno-arterial extracorporeal membrane oxygenation due to postcardiotomy cardiogenic shock is lacking in current literature. We aimed to analyze the impact of gender on intraoperative and short-term outcomes of vaECMO patients after coronary surgery and postcardiotomy cardiogenic shock., Methods: Between 2006 and 2017, a total of 92 patients with PCS after CABG underwent vaECMO-implantation at our institution. After a 1:1 propensity score match (PSM) for relevant preoperative data, we identified a cohort of 32 patients, 16 males, and 16 females. Periprocedural and short-term outcome data were analyzed with respect to sex differences., Results: The mean age was 64 ± 11 years, and 79% ( n = 73) were male patients. Clinical outcomes showed a 30-day all-cause mortality of 64% ( n = 59). After PSM, male patients showed a significantly smaller number of arterial grafts (0.4 ± 0.53 male vs 1.1 ± 0.7 female; p = 0.037). Thirty-day all-cause mortality did not differ between the groups (56% male vs 75% female; p = 0.262). In general, short-term outcome data were comparable without significant differences for the matched groups., Conclusion: Gender has no impact on patients with vaECMO therapy due to PCS in isolated coronary surgery.
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- 2022
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33. "A Stab in the Heart" Caused by a Cement Fragment After Kyphoplasty.
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Suhr L, Eghbalzadeh K, Djordjevic I, Gaisendrees C, Avgeridou S, Kuhn-Régnier F, and Wahlers T
- Abstract
Kyphoplasty is a well-established method to treat symptomatic vertebral compression fractures. Reported local cement leakage rates are high, but clinically relevant leakages are rare. A fatal complication is the extravasation of cement to the venous system with cardiopulmonary manifestation. We report a case with right ventricular perforation caused by leaked cement fragments. ( Level of Difficulty: Beginner. )., (© 2022 The Authors.)
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- 2022
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34. Evaluation of the GERAADA score for prediction of 30-day mortality in patients with acute type A aortic dissection.
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Luehr M, Merkle-Storms J, Gerfer S, Li Y, Krasivskyi I, Vehrenberg J, Rahmanian P, Kuhn-Régnier F, Mader N, and Wahlers T
- Subjects
- Acute Disease, Aged, Humans, Male, Middle Aged, Prospective Studies, Registries, Retrospective Studies, Risk Factors, Treatment Outcome, Aortic Dissection
- Abstract
Objectives: The German Registry of Acute Aortic Dissection Type A (GERAADA) score to predict 30-day mortality in patients suffering from acute aortic dissection type A (AADA) was recently introduced. The aim of this study was to evaluate if the GERAADA score's prediction corresponds with the authors' institutional results., Methods: All consecutive AADA patients between 2010 and 2020 were included. Retrospective data collection comprised 11 preoperative parameters: age, sex, previous cardiac surgery, inotropic support at referral, resuscitation before surgery, aortic regurgitation, preoperative hemiparesis, intubation/ventilation at referral, preoperative organ malperfusion, extension of aortic dissection and location of primary entry site. Calculations of the GERAADA score were individually performed by a cardiac surgeon blinded to the study for all patients via a web-based application (https://www.dgthg.de/de/GERAADA_Score)., Results: A total of 371 AADA patients were operated at the authors' institution. The mean age was 62.7 ± 13.5 years and 233 (63%) were males. Prediction of 30-day mortality was accurate for the entire study cohort (actual vs predicted 30-day mortality: 15.1% vs 15.7%; P = 0.776) as well as for all 26 subgroups. In addition, preoperative resuscitation (P < 0.001), advanced age (P = 0.042) and other/unknown malperfusion (P = 0.032) were identified as independent risk factors., Conclusions: The GERAADA score prediction of 30-day mortality after surgery is accurate, easily accessible due to its web-based platform and can be calculated with very basic preoperative clinical parameters. A prospective clinical trial is required to further evaluate the new GERAADA score as a useful tool to allow for improved decision-making in the emergency setting of AADA., (© The Author(s) 2020. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.)
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- 2021
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35. Impact of Lactate Clearance on Early Outcomes in Pediatric ECMO Patients.
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Merkle-Storms J, Djordjevic I, Weber C, Avgeridou S, Krasivskyi I, Gaisendrees C, Mader N, Kuhn-Régnier F, Kröner A, Bennink G, Sabashnikov A, Trieschmann U, Wahlers T, and Menzel C
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- Area Under Curve, Child, Humans, Infant, Newborn, Lactic Acid, ROC Curve, Retrospective Studies, Treatment Outcome, Extracorporeal Membrane Oxygenation
- Abstract
Background and Objectives: Pediatric extracorporeal membrane oxygenation (ECMO) support is often the ultimate therapy for neonatal and pediatric patients with congenital heart defects after cardiac surgery. The impact of lactate clearance in pediatric patients during ECMO therapy on outcomes has been analyzed. Materials and Methods: We retrospectively analyzed data from 41 pediatric vaECMO patients between January 2006 and December 2016. Blood lactate and lactate clearance have been recorded prior to ECMO implantation and 3, 6, 9 and 12 h after ECMO start. Receiver operating characteristic (ROC) analysis was used to identify cut-off levels for lactate clearance. Results: Lactate levels prior to ECMO therapy (9.8 mmol/L vs. 13.5 mmol/L; p = 0.07) and peak lactate levels during ECMO support (10.4 mmol/L vs. 14.7 mmol/L; p = 0.07) were similar between survivors and nonsurvivors. Areas under the curve (AUC) of lactate clearance at 3, 9 h and 12 h after ECMO start were significantly predictive for mortality ( p = 0.017, p = 0.049 and p = 0.006, respectively). Cut-off values of lactate clearance were 3.8%, 51% and 56%. Duration of ECMO support and respiratory ventilation was significantly longer in survivors than in nonsurvivors ( p = 0.01 and p < 0.001, respectively). Conclusions: Dynamic recording of lactate clearance after ECMO start is a valuable tool to assess outcomes and effectiveness of ECMO application. Poor lactate clearance during ECMO therapy in pediatric patients is a significant marker for higher mortality.
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- 2021
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36. Impact of Different Aortic Entry Tear Sites on Early Outcomes and Long-Term Survival in Patients with Stanford A Acute Aortic Dissection.
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Merkle J, Sabashnikov A, Deppe AC, Weber S, Mader N, Choi YH, Liakopoulos O, Kuhn-Régnier F, and Wahlers T
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- Acute Disease, Aged, Aortic Dissection diagnostic imaging, Aortic Dissection mortality, Aortic Aneurysm diagnostic imaging, Aortic Aneurysm mortality, Female, Humans, Male, Middle Aged, Postoperative Complications mortality, Registries, Retrospective Studies, Risk Assessment, Risk Factors, Time Factors, Treatment Outcome, Aortic Dissection surgery, Aortic Aneurysm surgery, Vascular Surgical Procedures adverse effects, Vascular Surgical Procedures mortality
- Abstract
Background: Stanford A acute aortic dissection (AAD) is a life-threatening emergency. The aim of this study was to compare the impact of three different aortic entry tear sites on early outcomes and long-term survival of patients with Stanford A AAD., Methods: From January 2006 to April 2015, a total of 240 consecutive patients with diagnosed Stanford A AAD underwent emergent, isolated surgical aortic repair in our center. Patients were divided into three groups comprising isolated ascending aorta, proximal aortic arch, and distal aortic arch entry tear site and were followed up for up to 9 years., Results: Thirty-day mortality as well as major cerebrovascular events were significantly different between the three groups ( p = 0.007 and p = 0.048, respectively). Overall cumulative short- and long-term survival of all patients revealed significant differences (Log-Rank p = 0.002), whereas survival of all patients free from major cerebrovascular events was similar (Log-Rank p = 0.780). Subgroup analysis of short- and long-term survival of patients showed significant differences in terms of men (Log-Rank p = 0.043), women (Log-Rank p = 0.004), patients over 65 years of age (Log-Rank p = 0.007), and hypertensive patients (Log-Rank p = 0.003). Kaplan-Meier survival estimation plots significantly showed poorest survival for distal aortic arch entry tear site group., Conclusion: The location of the primary entry tear in patients with Stanford A AAD significantly influences early outcomes, short- and long-term survival of patients, whereas survival of patients free from major cerebrovascular events showed similar results among the three groups. Distal aortic entry tear site showed poorest outcomes and survival., Competing Interests: The authors declare that there is no conflict of interest., (Georg Thieme Verlag KG Stuttgart · New York.)
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- 2019
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37. Factors predictive for early and late mortality after surgical repair for Stanford A acute aortic dissection.
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Merkle J, Sabashnikov A, Liebig L, Weber C, Eghbalzadeh K, Liakopoulos O, Zeriouh M, Kuhn-Régnier F, and Wahlers T
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- Aged, Aortic Dissection surgery, Aortic Aneurysm surgery, Female, Humans, Male, Middle Aged, Risk Factors, Survival Rate, Aortic Dissection mortality, Aortic Aneurysm mortality
- Abstract
Objectives: The aim of this study was to evaluate independent risk factors predictive for mortality of patients with Stanford A acute aortic dissection., Methods: From January 2006 to March 2015, a total of 240 consecutive patients diagnosed with acute Stanford A acute aortic dissection underwent surgical aortic repair in our center. After analysis of pre- and perioperative variables, univariate logistic and multivariate logistic regression analyses were performed for mortality of patients. Subsequently, Kaplan-Meier estimation analysis of short- and long-term survival of these variables was carried out., Results: Primary entry tear in descending aorta (odds ratio = 4.71, p = 0.021), preoperative international normalized ratio higher than 1.2 (odds ratio = 7.36, p = 0.001), additional coronary artery bypass grafting (odds ratio = 3.39, p = 0.003), cannulation in ascending aorta (odds ratio = 3.22, p = 0.005), preoperative neurological coma (odds ratio = 3.30, p = 0.003), and reduced perfusion (odds ratio = 2.91, p = 0.006) as well as prolonged reperfusion time (odds ratio = 3.36, p = 0.002) showed to be independent predictors for early mortality as well as for late mortality (hazard ratio of all variables p < 0.05). Kaplan-Meier survival estimation analysis with up to 9-year-follow-up in terms of these risk factors showed significantly poorer short- and long-term survival (log-rank and Breslow test all p < 0.05)., Conclusion: Our study revealed that early and late mortality of patients with Stanford A acute aortic dissection surgery was significantly influenced by preoperative and perioperative variables as independent predictors especially of variables displaying coronary, cerebral, and visceral malperfusion. Also, short- and long-term survival of patients was significantly poorer in terms of these risk factors.
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- 2019
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38. Impact of ascending aortic, hemiarch and arch repair on early and long-term outcomes in patients with Stanford A acute aortic dissection.
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Merkle J, Sabashnikov A, Deppe AC, Zeriouh M, Maier J, Weber C, Eghbalzadeh K, Schlachtenberger G, Shostak O, Djordjevic I, Kuhn E, Rahmanian PB, Madershahian N, Rustenbach C, Liakopoulos O, Choi YH, Kuhn-Régnier F, and Wahlers T
- Subjects
- Acute Disease, Aged, Aortic Dissection diagnostic imaging, Aortic Dissection mortality, Aorta, Thoracic diagnostic imaging, Aortic Aneurysm diagnostic imaging, Aortic Aneurysm mortality, Blood Vessel Prosthesis Implantation adverse effects, Blood Vessel Prosthesis Implantation mortality, Female, Germany epidemiology, Hospital Mortality, Humans, Incidence, Male, Middle Aged, Postoperative Complications mortality, Postoperative Complications surgery, Registries, Retrospective Studies, Risk Factors, Time Factors, Treatment Outcome, Aortic Dissection surgery, Aorta, Thoracic surgery, Aortic Aneurysm surgery, Blood Vessel Prosthesis Implantation methods
- Abstract
Background:: Stanford A acute aortic dissection (AAD) is a life-threatening emergency associated with major morbidity and mortality. The aim of this study was to compare outcomes of three different surgical approaches in patients with Stanford A AAD., Methods:: From January 2006 to March 2015 a total of 240 consecutive patients with diagnosed Stanford A AAD underwent elective, isolated surgical aortic repair in our centre. Patients were divided into three groups according to the extent of surgical repair: isolated replacement of the ascending aorta, hemiarch replacement and total arch replacement. Patients were followed up for up to 9 years. After univariate analysis multinomial logistic regression was performed for subgroup analysis. Baseline characteristics and endpoints as well as long-term survival were analysed., Results:: There were no statistically significant differences among the three groups in terms of demographics and preoperative baseline and clinical characteristics. Incidence of in-hospital stroke ( p = 0.034), need for reopening due to bleeding ( p = 0.031) and in-hospital mortality ( p = 0.017) increased significantly with the extent of the surgical approach. There was no statistical difference in terms of long-term survival ( p = 0.166) among the three groups. Applying multinomial logistic regression for subgroup analysis significantly higher odds for stroke ( p = 0.023), reopening for bleeding ( p = 0.010) and in-hospital mortality ( p = 0.009) for the arch surgery group in comparison to the ascending aorta surgery group as well as significantly higher odds for stroke ( p = 0.029) for the total arch surgery group in comparison to the hemiarch surgery group were identified., Conclusions:: With Stanford A AAD the incidence of perioperative complications increased significantly with the extent of the surgical approach. Subgroup analysis and long-term follow up in patients undergoing isolated ascending or hemiarch surgery showed a lower incidence of cerebrovascular events compared with surgery for total arch replacement.
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- 2018
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39. Impact of age on early outcomes and long-term survival of patients undergoing aortic repair with Stanford A dissection.
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Merkle J, Sabashnikov A, Weber C, Schlachtenberger G, Maier J, Spieker A, Eghbalzadeh K, Deppe AC, Zeriouh M, Rahmanian PB, Madershahian N, Rustenbach C, Choi YH, Kuhn-Régnier F, Liakopoulos O, and Wahlers T
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- Adult, Age Factors, Aged, Aortic Dissection physiopathology, Disease-Free Survival, Female, Humans, Male, Middle Aged, Retrospective Studies, Survival Rate, Aortic Dissection mortality, Aortic Dissection surgery, Cardiovascular Surgical Procedures
- Abstract
Objectives: Stanford A acute aortic dissection (AAD) is a life-threatening emergency, typically occurring in older patients and requiring immediate surgical repair. The aim of this study was to evaluate early outcome and short- and long-term survival of patients under and above 65 years of age., Methods: Two hundred and forty patients with Stanford A AAD underwent aortic surgical repair from January 2006 to April 2015 in our center. After statistical analysis and logistic regression analysis, Kaplan-Meier survival estimation was performed, with up to 9-year follow-up, comprising patients under and above 65 years of age., Results: The proportion of patients above 65 years of age suffering from Stanford A AAD was 50% (n=120). The group of patients above 65 years of age compared to the group under 65 years of age showed statistically significant differences in terms of higher odds ratios (OR) for hypertension (p=0.012), peripheral vascular disease (p=0.026) and tachyarrhythmia absoluta (p=0.004). Patients over 65 years of age also showed significantly poorer short- and long-term survival. Our subgroup analysis revealed that male patients (Breslow p=0.001, Log-Rank p=0.001) and patients suffering with hypertension (Breslow p=0.003, Log-Rank p=0.001) were reasonable for these results whereas younger and older female patients showed similar short- and long-term outcome (Breslow p=0.926, Log-Rank p=0.724). After stratifying all patients into 4 age groups (<45; 55-65; 65-75; >75years), short-term survival of the patients appeared to be significantly poorer with increasing age (Breslow p=0.026, Log-Rank p=0.008) whereas long-term survival of patients free from cerebrovascular events (Breslow p=0.0494, Log-Rank p=0.489) remained similar., Conclusions: All patients referred to our hospital for repair of Stanford A AAD with higher age had poorer short- and long-term survival, caused by male patients and patients suffering from hypertension, whereas survival of women and survival free from cerebrovascular events of the entire patient cohort was similar, irrespective of age.
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- 2018
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40. Impact of preoperative elevated serum creatinine on long-term outcome of patients undergoing aortic repair with Stanford A dissection: a retrospective matched pair analysis.
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Eghbalzadeh K, Sabashnikov A, Weber C, Zeriouh M, Djordjevic I, Merkle J, Shostak O, Saenko S, Majd P, Liakopoulos O, Rahmanian PB, Madershahian N, Choi YH, Kuhn-Régnier F, Wippermann J, and Wahlers T
- Subjects
- Acute Disease, Acute Kidney Injury blood, Acute Kidney Injury diagnosis, Acute Kidney Injury mortality, Aged, Aortic Dissection diagnostic imaging, Aortic Dissection mortality, Aortic Aneurysm diagnostic imaging, Aortic Aneurysm mortality, Biomarkers blood, Female, Humans, Kaplan-Meier Estimate, Kidney Diseases complications, Kidney Diseases diagnosis, Kidney Diseases mortality, Male, Middle Aged, Registries, Retrospective Studies, Risk Factors, Time Factors, Treatment Outcome, Up-Regulation, Vascular Surgical Procedures mortality, Acute Kidney Injury etiology, Aortic Dissection surgery, Aortic Aneurysm surgery, Creatinine blood, Kidney Diseases blood, Vascular Surgical Procedures adverse effects
- Abstract
Background: The aim of the present study was to determine whether raised preoperative serum creatinine affected the long-term outcome in patients undergoing surgical aortic repair for Stanford A acute aortic dissection (AAD)., Methods: A total of 240 patients diagnosed with Stanford A AAD underwent surgical repair from January 2006 to April 2015. A propensity score matching was applied, resulting in 73 pairs consisting of one group with normal and one group with preoperative elevated creatinine levels. The cohorts were well balanced for baseline and preoperative clinical characteristics. Both groups were compared regarding their early postoperative variables, as well as estimated survival with up to 9-year follow up. Also, the impact of acute postoperative kidney injury and its severity on long-term survival was analyzed., Results: The proportion of patients suffering Stanford A AAD with raised creatinine levels was 31.3% ( n = 75). After propensity matching, there were no statistically significant differences regarding demographics, comorbidities, preoperative baseline and clinical characteristics. Postoperatively matched patients with elevated creatinine had longer intensive care unit ( p < 0.001) and total hospital stay ( p = 0.002), prolonged intubation times ( p = 0.014), higher need for hemofiltration ( p < 0.001), higher incidence of temporary neurological disorders ( p = 0.16), infection ( p = 0.005), and trend toward higher incidence of sepsis ( p = 0.097). However, there were no significant differences regarding 30-day mortality (20.5% versus 20.5%, p = 1.000) and long-term overall survival. Further, neither the incidence nor the different stages of acute kidney injury according to the Acute Kidney Injury Network showed any statistically significant differences in terms of long-term survival for both groups [log rank p = 0.636, Breslow (generalized Wilcoxon) p = 0.470, Tarone-Ware p = 0.558]., Conclusions: Patients with elevated creatinine levels undergoing surgical repair for Stanford A AAD demonstrate higher rate of early postoperative complications. However, 30-day mortality and long-term survival in this patient cohort is not significantly impaired.
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- 2018
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41. Impact of hypertension on early outcomes and long-term survival of patients undergoing aortic repair with Stanford A dissection.
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Merkle J, Sabashnikov A, Deppe AC, Zeriouh M, Eghbalzadeh K, Weber C, Rahmanian P, Kuhn E, Madershahian N, Kroener A, Choi YH, Kuhn-Régnier F, Liakopoulos O, and Wahlers T
- Subjects
- Aged, Female, Follow-Up Studies, Humans, Kaplan-Meier Estimate, Male, Middle Aged, Treatment Outcome, Aortic Dissection complications, Aortic Dissection surgery, Hypertension complications
- Abstract
Introduction: Stanford A acute aortic dissection (AAD) is a life-threatening emergency, typically occurring in hypertensive patients, requiring immediate surgical repair. The aim of this study was to evaluate early outcomes and long-term survival of hypertensive patients in comparison to normotensive patients suffering from Stanford A AAD., Methods: In our center, 240 patients with Stanford A AAD underwent aortic surgical repair from January 2006 to April 2015. After statistical and logistic regression analysis, Kaplan-Meier survival estimation was performed, with up to 9-year follow-up., Results: The proportion of hypertensive patients suffering from Stanford A AAD was 75.4% (n=181). There were only few statistically significant differences in terms of basic demographics, comorbidities, preoperative baseline and clinical characteristics of hypertensive patients in comparison to normotensive patients. Hypertensive patients were significantly older (p=0.008), more frequently received hemi-arch repair (p=0.028) and selective brain perfusion (p=0.001). Our study showed similar statistical results in terms of 30-day mortality (p=0.196), long-term overall cumulative survival of patients (Log-Rank p=0.506) and survival of patients free from cerebrovascular events (Log-Rank p=0.186). Furthermore, subgroup analysis for long-term survival in terms of men (Log-Rank p=0.853), women (Log-Rank p=0.227), patients under and above 65 years of age (Log-Rank p=0.188 and Log-Rank p=0.602, respectively) and patients undergoing one of the three types of aortic repair surgery showed similar results for normotensive and hypertensive patient groups. Subgroup analysis for long-term survival of patients free from cerebrovascular events for women, patients under 65 years of age and patients undergoing aortic arch repair showed significant differences between the two groups in favor of hypertensive patients., Conclusions: Hypertensive patients suffering from Stanford A AAD were older, more frequently received hemi-arch replacement and were not associated with increased risk of 30-day mortality and poorer long-term survival compared to normotensive patients.
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- 2018
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42. Managing Traps and Pitfalls During Initial Steps of an ECMO Retrieval Program Using a Miniaturized Portable System: What Have We Learned From the First Two Years?
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Sabashnikov A, Djordjevic I, Deppe AC, Kuhn EW, Merkle J, Weber C, Sindhu D, Eghbalzadeh K, Zeriouh M, Liakopoulos OJ, Rahmanian PB, Kuhn-Régnier F, Choi YH, Madershahian N, and Wahlers T
- Subjects
- Adult, Aged, Cardiopulmonary Resuscitation instrumentation, Extracorporeal Membrane Oxygenation instrumentation, Female, Follow-Up Studies, Germany, Hemodynamics, Humans, Intensive Care Units, Male, Middle Aged, Survival Analysis, Treatment Outcome, Cardiopulmonary Resuscitation methods, Extracorporeal Membrane Oxygenation methods
- Abstract
The aim of this study was to provide early and mid-term results of the newly established extracorporeal membrane oxygenation (ECMO) retrieval service in a tertiary cardiothoracic center using the miniaturized portable Cardiohelp System (Maquet, Rastatt, Germany). A particular attention was paid to organizational and logistic specifics as well as challenges and pitfalls associated with initial phase of the program. From January 2015 until January 2017 a heterogenic group of 28 consecutive patients underwent ECMO implantation in distant hospitals for acute cardiac, pulmonary or combined failure as a bridge-to-decision and were subsequently transported to our institution. Each cannulation was performed bedside on intensive care units (ICU) using the Seldinger's technique. Early outcomes and mid-term overall survival with up to two-year follow-up along with the impact of ongoing cardiopulmonary resuscitation (CPR) on outcome were presented. Also, changes in hemodynamics and tissue perfusion factors 24 h after ECMO implantation were evaluated. ECMO implantations were performed in 15 distant departments with the median distance of 23(10;40) (maximum 60) km. A total of 15 patients (54%) were cannulated under CPR with the median duration of 30(20;110) (maximum 180) min. After 24 h of support there were significant improvements in SvO
2 (P = 0.021), mean arterial pressure (P = 0.027), FiO2 (P = 0.001), lactate (P = 0.001), and pH (P < 0.001). The mean ECMO support duration was 96 ± 100 (maximum 384) hours, whereas 11 patients (40%) were weaned off support and discharged from hospital. Overall cumulative survival in patients without the need for CPR was 61.5% at one week and 38.5% at 1 month, 6 month, and 1 year, whereas patients requiring CPR survived in 40% at one week, and 33.3% at 1 month, 6 month, and 1 year (Log-Rank (Mantel-Cox) P = 0.374, Breslow (Generalized Wilcoxon) P = 0.162). Our initial experience shows that launching new ECMO retrieval programs in centers with sufficient ICU capacities and local ECMO experience can be feasible and associated with acceptable "real world" results despite the initial learning curve. Rapid logistical organization and team flexibility are the key points to ensure comparable survival of patients requiring prolonged CPR., (© 2017 International Center for Artificial Organs and Transplantation and Wiley Periodicals, Inc.)- Published
- 2018
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43. Prevention of cardiac herniation and left artery descending obstruction in cases of extensive surgical pericardial window procedure.
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Sabashnikov A, Kuhn-Régnier F, Zeriouh M, Choi YH, Madershahian N, and Wahlers T
- Abstract
The thoracotomy approach for pericardial window surgery was shown to be more effective at preventing effusion recurrence and the need for repeat surgery. However, cardiac herniation remains a common complication after extensive pericardial excision. This technical note describes a simple and effective technique to prevent potential heart herniation through the pericardial window and at the same time to avoid potential obstruction of the left artery descending., Competing Interests: Conflicts of Interest: The authors have no conflicts of interest to declare.
- Published
- 2017
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44. Mobile ECMO - A divine technology or bridge to nowhere?
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Merkle J, Djorjevic I, Sabashnikov A, Kuhn EW, Deppe AC, Eghbalzadeh K, Fattulayev J, Hohmann C, Zeriouh M, Kuhn-Régnier F, Choi YH, Mader N, and Wahlers T
- Subjects
- Extracorporeal Membrane Oxygenation adverse effects, Hemodynamics, Humans, Mobile Health Units, Point-of-Care Systems, Ambulatory Care methods, Extracorporeal Membrane Oxygenation methods, Heart Failure therapy, Respiratory Insufficiency therapy
- Abstract
Introduction: Extracorporeal life support emerged as a salvage option in patients with therapy-refractory severe hemodynamic or respiratory failure. However, this promising therapy option has been limited by the use of experienced teams in highly specialized tertiary-care centers. Thus, in order to provide this standard of care in local hospitals and due to increasing evidence on improved outcomes using ECMO devices and setting for patients with heart and lung failure, an increasing number of experienced ECMO centers have launched mobile ECMO retrieval services in recent years. Areas covered: This review provides a summary on the current scientific status concerning use, indications and complications of mobile ECMO devices and services. A scientific literature research was conducted in MEDLINE, Embase, Cochrane and Web of Science databases using keywords denoted. Expert commentary: Mobile ECMO devices and setting offer severely ill patients refractory to maximal conventional treatment an option of hemodynamic and/or respiratory stabilization and subsequent transportation to specialized care centers for further treatment. Compared to in-hospital ECMO support, out-of-hospital mobile ECMO implantation, transport and retrieval of patients require additional organizational, logistical and clinical efforts. This review provides a summary on the current scientific status concerning use, indications and complications of mobile ECMO services.
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- 2017
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45. Enumeration of circulating endothelial cell frequency as a diagnostic marker in aortic valve surgery - a flow cytometric approach.
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Sabashnikov A, Neef K, Chesnokova V, Wegener L, Godthardt K, Scherner M, Kuhn EW, Deppe AC, Lauer M, Eghbalzadeh K, Zeriouh M, Rahmanian PB, Wippermann J, Kuhn-Régnier F, Madershahian N, Wahlers T, Weymann A, and Choi YH
- Subjects
- Aged, Aged, 80 and over, Aortic Valve Stenosis diagnosis, Biomarkers, Cell Count methods, Female, Humans, Male, Prognosis, Reproducibility of Results, Aortic Valve surgery, Aortic Valve Stenosis surgery, Endothelial Cells pathology, Endothelium, Vascular pathology, Flow Cytometry methods, Postoperative Complications diagnosis, Transcatheter Aortic Valve Replacement
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Background: The frequency of circulating endothelial cells (CEC) in patients' peripheral blood can be assessed as a direct marker of endothelial damage. However, conventional enumeration methods are extremely challenging. We developed a novel, automated approach to determine CEC frequencies and tested this method on two groups of patients undergoing conventional (CAVR) versus trans-catheter aortic valve implantation (TAVI)., Methods: CEC frequencies were assessed by a flow cytometric approach, including automated pre-enrichment of CD34 positive blood cell subpopulation and isotype controls. The efficacy and reproducibility of the CEC enumeration method was validated by spiking blood samples of healthy control donors with defined numbers of endothelial cells., Results: CEC frequencies were significantly higher in the TAVI group before (9.8 ± 4.1 vs. 5.5 ± 2.2, p = 0.019) and 1 h after surgery (13.4 ± 5.1 vs. 8.2 ± 4.1, p = 0.030) corresponding to higher Euroscore, STS score in higher risk patients from the TAVI group. Five days after surgery, CEC frequencies became significantly higher in the more invasive CAVR group (39.0 ± 13.0 vs. 14.3 ± 4.4, p < 0.001) compared to minimally invasive TAVI approach., Conclusions: The new flow cytometric approach might be a robust and reliable method for CEC enumeration. Initial results show that CEC frequency is a valid clinical marker for the assessment of pre-operative risk, invasiveness of surgical procedure and clinical outcome. Further studies are necessary to validate the practical clinical usefulness and the potential superiority compared to conventional markers.
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- 2017
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46. Impact of gender on long-term outcomes after surgical repair for acute Stanford A aortic dissection: a propensity score matched analysis.
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Sabashnikov A, Heinen S, Deppe AC, Zeriouh M, Weymann A, Slottosch I, Eghbalzadeh K, Popov AF, Liakopoulos O, Rahmanian PB, Madershahian N, Kroener A, Choi YH, Kuhn-Régnier F, Simon AR, Wahlers T, and Wippermann J
- Subjects
- Aged, Female, Follow-Up Studies, Germany epidemiology, Humans, Incidence, Male, Middle Aged, Retrospective Studies, Risk Factors, Sex Distribution, Sex Factors, Survival Rate trends, Time Factors, Aortic Dissection surgery, Aortic Aneurysm, Thoracic surgery, Postoperative Complications epidemiology, Propensity Score, Vascular Surgical Procedures methods
- Abstract
Objectives: Previous research suggests that female gender is associated with increased mortality rates after surgery for Stanford A acute aortic dissection (AAD). However, women with AAD usually present with different clinical symptoms that may bias outcomes. Moreover, there is a lack of long-term results regarding overall mortality and freedom from major cerebrovascular events. We analysed the impact of gender on long-term outcomes after surgery for Stanford A AAD by comparing genders with similar risk profiles using propensity score matching., Methods: A total of 240 patients operated for Stanford A AAD were included in this study. To control for selection bias and other confounders, propensity score matching was applied to gender groups., Results: After propensity score matching, the gender groups were well balanced in terms of risk profiles. There were no statistically significant differences regarding duration of cardiopulmonary bypass ( P = 0.165) and duration of aortic cross-clamp time ( P = 0.111). Female patients received less fresh frozen plasma ( P = 0.021), had shorter stays in the intensive care unit ( P = 0.031), lower incidence of temporary neurological dysfunction ( P < 0.001) and lower incidence of dialysis ( P = 0.008). There were no significant differences regarding intraoperative mortality ( P = 1.000), 30-day mortality ( P = 0.271), long-term overall cumulative survival ( P = 0.954) and long-term freedom from cerebrovascular events ( P = 0.235) with up to a 9-year follow-up., Conclusions: Considering patients with similar risk profiles, female gender per se is not associated with worse long-term survival and freedom from stroke after surgical aortic repair. Moreover, female patients might even benefit from a smoother early postoperative course and lower incidence of early postoperative complications., (© The Author 2017. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.)
- Published
- 2017
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47. Axillar or Aortic Cannulation for Aortic Repair in Patients With Stanford A Dissection?
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Sabashnikov A, Heinen S, Deppe AC, Zeriouh M, Weymann A, Slottosch I, Eghbalzadeh K, Popov AF, Liakopoulos OJ, Rahmanian PB, Madershahian N, Kroener A, Choi YH, Kuhn-Régnier F, Simon AR, Wahlers T, and Wippermann J
- Subjects
- Aged, Axillary Artery, Female, Humans, Male, Middle Aged, Retrospective Studies, Aortic Dissection surgery, Aorta, Thoracic surgery, Aortic Aneurysm, Thoracic surgery, Catheterization methods
- Abstract
Background: The choice of an optimal cannulation site for aortic repair in patients with Stanford A acute aortic dissection remains controversial. The aim of this study was to compare the early results and long-term outcomes of axillar and direct aortic cannulation., Methods: A total of 235 consecutive patients who underwent surgical aortic repair with the use of axillar or direct aortic cannulation from January 2006 to April 2015 were analyzed. The primary end points were long-term overall cumulative survival and freedom from major cerebrovascular events with up to 10 years of follow-up. The secondary end points were early postoperative clinical characteristics and rates of adverse events. To control for confounders, a 1:3 propensity score matching was performed., Results: After matching, there were no statistically significant differences between the two groups regarding baseline characteristics. Both groups were associated with comparable outcomes; among other things, the length of stay in the intensive care unit (ICU) (p = 0.220), mechanical ventilation (p = 0.177), total hospital stay (p = 0.243), and hospital rates of adverse events. There were no statistically significant differences (p = 0.625) in terms of freedom from major cerebrovascular events. However, both early (p = 0.009) and late (p = 0.016) overall survival were significantly poorer for patients undergoing aortic cannulation., Conclusions: The outcomes were comparable regarding early hospital outcomes and rates of adverse events. Whereas postoperative freedom from major cerebrovascular events was similar, survival over long-term follow-up was significantly poorer when direct aortic cannulation was used. More investigations are needed to enable an understanding of the underlying factors for potentially higher late mortality when direct aortic cannulation is used during a surgical procedure for acute Stanford A dissection., (Copyright © 2016 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
- Published
- 2016
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48. Intracardiac thrombus trapped in a patent foramen ovale.
- Author
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Onur OA, Kuhn-Régnier F, Kabbasch C, Fink GR, and Müller-Ehmsen J
- Subjects
- Echocardiography, Transesophageal methods, Female, Foramen Ovale, Patent diagnosis, Humans, Middle Aged, Thrombosis diagnosis, Treatment Outcome, Foramen Ovale, Patent surgery, Thrombosis surgery
- Published
- 2016
- Full Text
- View/download PDF
49. Six-years survival and predictors of mortality after CABG using cold vs. warm blood cardioplegia in elective and emergent settings.
- Author
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Zeriouh M, Heider A, Rahmanian PB, Choi YH, Sabashnikov A, Scherner M, Popov AF, Weymann A, Ghodsizad A, Deppe AC, Kröner A, Kuhn-Régnier F, Wippermann J, and Wahlers T
- Subjects
- Aged, Coronary Artery Disease mortality, Female, Follow-Up Studies, Germany epidemiology, Humans, Male, Middle Aged, Postoperative Period, Survival Rate trends, Time Factors, Coronary Artery Bypass methods, Coronary Artery Disease surgery, Elective Surgical Procedures methods, Heart Arrest, Induced methods
- Abstract
Background: The aim of this study was to determine whether intermittent warm blood cardioplegia (IWC) is associated with comparable myocardial protection compared to cold blood cardioplegia (ICC) in patients undergoing elective vs. emergent CABG procedures., Methods: Out of 2292 consecutive patients who underwent isolated on-pump CABG surgery using cardioplegic arrest either with ICC or IWC between January 2008 and December 2010, 247 consecutive emergent patients were identified and consecutively matched 1:2 with elective patients based on gender, age (<50 years, 50-70 years, >70 years) and ejection fraction (<40 %, 40-50 %, >50 %). Perioperative outcomes and long-term mortality were compared between ICC and IWC strategies and predictors for 30-day mortality and perioperative myocardial injury were identified in both elective and emergent subgroups of patients., Results: Preoperative demographics and baseline characteristics, logistic Euroscore, CPB-time, number of distal anastomoses and LIMA-use were comparable. Aortic cross clamp time was significantly longer in the IWC-group regardless of the urgency of the procedure (p = 0.05 and p = 0.015 for emergent and elective settings). There were no significant differences regarding ICU-stay, ventilation time, total blood loss and need for dialysis. The overall 30-day, 1-, 3- and 6-year survival of the entire patient cohort was 93.7, 91.8, 90.4 and 89.1 %, respectively, with significantly better outcomes when operated electively (p < 0.001) but no differences between ICC and IWC both in elective (p = 0.857) and emergent (p = 0.741) subgroups. Multivariate analysis did not identify the type of cardioplegia as a predictor for 30-day mortality and for perioperative myocardial injury. However, independent factors predictive of 30-day mortality were: EF < 40 % (OR 3.66; 95 % CI: 1.79-7.52; p < 0.001), atrial fibrillation (OR 3.33; 95 % CI: 1.49-7.47; p < 0.003), peripheral artery disease (OR 2.51; 95 % CI: 1.13-5.55; p < 0.023) and COPD (OR 0.26; 95 % CI: 1.05-6.21; p < 0.038); predictors for perioperative myocardial infarction were EF < 40 % (OR 2.04; 95 % CI: 1.32-3.15; p < 0.001), preoperative IABP support (OR 3.68; 95 % CI: 1.34-10.13; p < 0.012), and hemofiltration (OR 3.61; 95 % CI: 2.22-5.87; p < 0.001)., Conclusion: Although the aortic cross clamp time was prolonged in the IWC group our results confirm effective myocardial protection under IWC, regardless of the urgency of the procedure. We suggest that intermittent warm cardioplegia in emergent CABG setting is a low-cost alternative and safe. It is associated with similar long-term outcomes both in elective and emergent settings compared to intermittent cold cardioplegia.
- Published
- 2015
- Full Text
- View/download PDF
50. Rare cause for sudden right heart failure.
- Author
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Nia AM, Gassanov N, Schmidt M, Kuhn-Régnier F, Erdmann E, and Er F
- Subjects
- Brain Neoplasms secondary, Heart Ventricles, Humans, Male, Middle Aged, Palliative Care, Heart Failure etiology, Heart Neoplasms pathology, Neoplasm Recurrence, Local complications
- Abstract
Right heart failure occurs daily in clinical settings, but an underlying cardiac malignant tumor is very uncommon. We report a case of a 48-year-old man presenting only with palpitations and decompensated heart failure. Echocardiographic imaging revealed a large tumor of the right ventricle. Shortly after a putatively successful surgical approach, the patient was admitted again with heart failure symptoms. On reassessment, a complete relapse with multiple metastases could be seen. Generally, cardiac malignant tumors are diagnosed at a time-point when therapeutic options are very limited or even postmortem. Broad echocardiographic screening in patients with unspecific symptoms might be helpful to detect cardiac malignant tumors at early stages.
- Published
- 2010
- Full Text
- View/download PDF
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