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van de Klundert MAA, Cremer J, Kootstra NA, Boot HJ, Zaaijer HL. Comparison of the hepatitis B virus core, surface and polymerase gene substitution rates in chronically infected patients. J Viral Hepat 2012; 19:e34-40. [PMID: 22239524 DOI: 10.1111/j.1365-2893.2011.01506.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
For phylogenetic comparison of hepatitis B virus (HBV) isolates, often a region of the HBV surface gene is analysed. Because the surface gene completely overlaps the polymerase gene, its evolution is constrained, and it may not be the best choice for genetic comparison of HBV isolates. Analysing serial sample pairs of 33 chronically HBV-infected, untreated patients, with a cumulative follow-up of 184 years, the synonymous and nonsynonymous substitution rates of a part of the overlapping HBV surface and polymerase genes were compared to those of a nonoverlapping part of the HBV core gene. The substitution rate of the HBV core gene was higher (8.15 × 10(-4) vs 4.57 × 10(-4) substitutions/site/year) than that of the surface gene. The difference was mainly due to a significantly lower synonymous substitution rate in the surface gene, with dN/dS ratios of 0.412 in the core gene and 0.986 in the surface gene. Contrary to the core gene, the number of substitutions in the surface gene was higher in low viraemic hosts, who control HBV infection by suppressing replication. The number of substitutions in the core gene correlated more strongly with the duration of follow-up. The overlapping HBV surface and polymerase genes experience strong negative selection, which limits the number of substitutions. Because the HBV core gene reflects the duration of infection more accurately, it is more suitable for the analysis of short-term viral evolution and of hepatitis B transmission chains.
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Niehaus H, Simon A, Strüber M, Müller C, Ono M, Haverich A, Cremer J, Warnecke G. Indications for pediatric heart-lung transplantation in the era of advanced congenital heart surgery. Thorac Cardiovasc Surg 2012. [DOI: 10.1055/s-0031-1297426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Schoeneich F, Rahimi A, Eide M, Grothusen C, Hoffmann G, Schöttler J, Cremer J. Transatrial left ventricular cannulation for arterial return to manage retrograde type A dissection in minimally invasive mitral valve surgery. Thorac Cardiovasc Surg 2012. [DOI: 10.1055/s-0031-1297652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Metzner A, Boldt J, Pohanke J, Fischer G, Baehr T, Cremer J, Lutter G. CD133+ percutaneous tissue-engineered pulmonary valved stent implantation: 3-month follow-up. Thorac Cardiovasc Surg 2012. [DOI: 10.1055/s-0031-1297588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Schoeneich F, Rahimi-Barfeh A, Cremer J. Kieler transatriale Kanülierung des linken Ventrikels bei akuter Typ-A-Dissektion. ZEITSCHRIFT FUR HERZ THORAX UND GEFASSCHIRURGIE 2012. [DOI: 10.1007/s00398-011-0905-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Kim YI, Scheid M, Petzina R, Bierbach B, Schöttler J, Schöneich F, Rahimi A, Cremer J. Patient's condition based algorhythm in the management of sternal dehiscence leads to an excellent outcome. Thorac Cardiovasc Surg 2012. [DOI: 10.1055/s-0031-1297904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Schoeneich F, Rahimi A, Eide M, Grothusen C, Hoffmann G, Schöttler J, Cremer J. Transatrial left ventricular cannulation for arterial return in CABG with severe aortic calcification. Thorac Cardiovasc Surg 2012. [DOI: 10.1055/s-0031-1297707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Iino K, Boldt J, Lozonschi L, Metzner A, Schoettler J, Petzina R, Cremer J, Lutter G. Off-pump transapical mitral valve replacement: evaluation after one month. Eur J Cardiothorac Surg 2012; 41:512-7. [DOI: 10.1093/ejcts/ezr106] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Cremer J, Schöttler J, Petzina R, Hoffmann G. Stented bioprostheses in aortic position. HSR PROCEEDINGS IN INTENSIVE CARE & CARDIOVASCULAR ANESTHESIA 2012; 4:83-7. [PMID: 23439380 PMCID: PMC3484933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
INTRODUCTION Biological stented prostheses are currently the main type of prosthetic valve used for aortic valve replacement. The ratio of bioprotheses to mechanical prostheses has switched in the last 15 years; the percentage of biological prostheses implanted has risen from 30 % to 85 %. Moreover the total number of implanted stented bioprostheses remained stable over the last years despite competing procedures like stentless prostheses or transcatheter aortic valve implantation. METHODS A literature search of all published aortic valve replacement studies was performed from January 2000 through May 2012. RESULTS The recommendations guiding the type of heart valve replacement have been revised in recent years. Of particular interest are the new generation of biological prostheses with extended durability, a decrease in mortality of reoperation and an increase in life expectancy. Comorbidities such as chronic renal insufficiency or chronic atrial fibrillation are no longer contraindications to bioprostheses. CONCLUSION Overall, even in face of more innovative biological alternatives the implantation of stented bioprostheses is still a very interesting option and represents actually the most frequent valve implantation technique for aortic stenosis.
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Stoppe C, Peters D, Fahlenkamp AV, Cremer J, Rex S, Schälte G, Rossaint R, Coburn M. aepEX monitor for the measurement of hypnotic depth in patients undergoing balanced xenon anaesthesia. Br J Anaesth 2011; 108:80-8. [PMID: 22139005 DOI: 10.1093/bja/aer393] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Previously, we showed a significant difference in the measurements of hypnotic depth by the bispectral index (BIS) and auditory-evoked potentials (AEPs) using the A-line autoregressive index during xenon anaesthesia. In the present study, we evaluate the alternative AEP-based auditory-evoked potential index (aepEX) for the measurement of hypnotic depth in patients undergoing general anaesthesia with xenon. METHODS Forty-two patients undergoing elective abdominal surgery were enrolled in this controlled, double-blinded, randomized, clinical study. Patients were randomized to receive either xenon (n=21) or sevoflurane anaesthesia (n=21). During anaesthesia, BIS values were recorded simultaneously with the aepEX monitoring. The anaesthetist performing the anaesthesia was blinded to the hypnotic depth monitors. After surgery, the incidence of recalls and awareness was evaluated. RESULTS Patients' characteristics such as gender, age, and weight did not differ between the groups. The aepEX and BIS values behaved similarly during anaesthesia. The comparison of aepEX values during xenon and sevoflurane anaesthesia revealed significantly lower aepEX values in the xenon group after 25 min [xenon: 32.9 (4.8) vs sevoflurane: 39.3 (9.0); P=0.008] and after 35 min [xenon: 31.4 (6.6) vs sevoflurane: 37.0 (6.8); P=0.012]. During anaesthesia, aepEX values correlated with the clinical evaluation of depth of anaesthesia (e.g. >20% changes of the baseline arterial pressure or heart rate, spontaneous breathing and/or intolerance of mechanical ventilation, coughing, abdominal pressing, sweating, eye tearing). CONCLUSIONS We found the aepEX monitor to provide index in the range of adequate depth of xenon anaesthesia, when combined with remifentanil infusion in intubated patients undergoing elective abdominal surgery.
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Knipp SC, Scherag A, Beyersdorf F, Cremer J, Diener HC, Haverich JA, Jakob HG, Mohr W, Ose C, Reichenspurner H, Walterbusch G, Welz A, Weimar C. Randomized comparison of synchronous CABG and carotid endarterectomy vs. isolated CABG in patients with asymptomatic carotid stenosis: the CABACS trial. Int J Stroke 2011; 7:354-60. [PMID: 22103798 DOI: 10.1111/j.1747-4949.2011.00687.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
RATIONALE High-grade carotid artery stenosis is present in 6-8% of patients undergoing coronary artery bypass graft surgery. Many cardiovascular surgeons advocate staged or synchronous carotid endarterectomy to reduce the high perioperative and long-term risk of stroke associated with multivessel disease. However, no randomized trial has assessed whether a combined synchronous or staged carotid endarterectomy confers any benefit compared with isolated coronary artery bypass grafting in these patients. AIMS The objective of this study is to compare the safety and efficacy of isolated coronary artery bypass grafting vs. synchronous coronary artery bypass grafting and carotid endarterectomy in patients with asymptomatic high-grade carotid artery stenosis. DESIGN Coronary Artery Bypass graft surgery in patients with Asymptomatic Carotid Stenosis (CABACS) is a randomized, controlled, open, multicenter, group sequential trial with two parallel arms and outcome adjudication by blinded observers. Patients with asymptomatic high-grade carotid stenosis scheduled for elective coronary artery bypass grafting will be assigned to either isolated coronary artery bypass grafting or synchronous coronary artery bypass grafting and carotid endarterectomy by 1 : 1 block-stratified randomization with three different stratification factors (age, gender, modified Rankin scale). STUDY The trial started in December 2010 aiming at recruiting 1160 patients in 25 to 30 German cardiovascular centers. The composite primary efficacy end point is the number of strokes and deaths from any cause (whatever occurs first) within 30 days after operation. A 4·5% absolute difference (4% compared to 8·5%) in the 30-day rate of the above end points can be detected with >80% power. OUTCOMES The results of this trial are expected to provide a basis for defining an evidence-based standard and will have a wide impact on managing this disease.
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Cremer J, Melbinger A, Frey E. Evolutionary and population dynamics: a coupled approach. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2011; 84:051921. [PMID: 22181458 DOI: 10.1103/physreve.84.051921] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2011] [Revised: 10/08/2011] [Indexed: 05/31/2023]
Abstract
We study the interplay of population growth and evolutionary dynamics using a stochastic model based on birth and death events. In contrast to the common assumption of an independent population size, evolution can be strongly affected by population dynamics in general. Especially for fast reproducing microbes which are subject to selection, both types of dynamics are often closely intertwined. We illustrate this by considering different growth scenarios. Depending on whether microbes die or stop to reproduce (dormancy), qualitatively different behaviors emerge. For cooperating bacteria, a permanent increase of costly cooperation can occur. Even if not permanent, cooperation can still increase transiently due to demographic fluctuations. We validate our analysis via stochastic simulations and analytic calculations. In particular, we derive a condition for an increase in the level of cooperation.
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Stoppe C, Cremer J, Rex S, Schälte G, Fahlenkamp AV, Rossaint R, Rosch R, Bauerschlag DO, Coburn M. Xenon anaesthesia for laparoscopic cholecystectomy in a patient with multiple chemical sensitivity. Br J Anaesth 2011; 107:645-7. [PMID: 21903654 DOI: 10.1093/bja/aer285] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Thiem A, Attmann T, Cremer J. [Modern coronary surgery, the SYNTAX trial and updated guidelines]. Herz 2011; 36:669-76. [PMID: 22033863 DOI: 10.1007/s00059-011-3532-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Coronary artery bypass grafting (CABG), a modern and safe procedure, is considered the therapy of choice in the care of patients with multi-vessel disease. The 3-year results of the SYNTAX trial not only showed surgical advantages in terms of repeat revascularisation, but the results also demonstrated significant surgical benefit for myocardial infarction and survival rates. More differentiated analyses showed distinct disadvantages in percutaneous coronary intervention (PCI) associated with the greater complexity of coronary pathology. PCI tends to be a comparable therapeutic option only in certain cases of left main stem lesions or multi-vessel disease. The findings from the SYNTAX study herald a new era in the treatment of coronary heart disease in which, as recommended in the updated guidelines issued by the EACTS/ESC in 2010, the interventionalist and the surgeon, working closely together as a"heart team", provide a sound therapy plan for affected patients.
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Wielders CC, van Binnendijk RS, Snijders BE, Tipples GA, Cremer J, Fanoy E, Dolman S, Ruijs WL, Boot HJ, de Melker HE, Hahne SJ. Mumps epidemic in orthodox religious low-vaccination communities in the Netherlands and Canada, 2007 to 2009. Euro Surveill 2011; 16:19989. [PMID: 22008201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023] Open
Abstract
We assessed the epidemiological characteristics of a mumps virus epidemic (genotype D) that occurred in the Netherlands between August 2007 and May 2009 and its association with a subsequent mumps outbreak in Canada. In the Netherlands, five data sources were used: notifications (only mandatory since the end of 2008) (56 cases), laboratory confirmation data (177 cases), a sentinel general practitioner (GP) database (275 cases), hospitalisation data (29 cases) and weekly virological reports (96 cases). The median age of cases in the notification, laboratory and GP databases ranged from 13 to 15 years. The proportion of cases that were unvaccinated ranged from 65% to 85% in the notification, laboratory and GP databases. Having orthodox Protestant beliefs was the main reason for not being vaccinated. In Canada, a mumps virus strain indistinguishable from the Dutch epidemic strain was detected between February and October 2008 in an orthodox Protestant community with historical and family links to the affected community in the Netherlands, suggesting that spread to Canada had occurred. Prevention and control of vaccine-preventable diseases among population subgroups with low vaccination coverage remains a priority.
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Wielders CC, van Binnendijk RS, Snijders BE, Tipples GA, Cremer J, Fanoy E, Dolman S, Ruijs WL, Boot HJ, de Melker HE, Hahné SJ. Mumps epidemic in orthodox religious low-vaccination communities in the Netherlands and Canada, 2007 to 2009. Euro Surveill 2011. [DOI: 10.2807/ese.16.41.19989-en] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We assessed the epidemiological characteristics of a mumps virus epidemic (genotype D) that occurred in the Netherlands between August 2007 and May 2009 and its association with a subsequent mumps outbreak in Canada. In the Netherlands, five data sources were used: notifications (only mandatory since the end of 2008) (56 cases), laboratory confirmation data (177 cases), a sentinel general practitioner (GP) database (275 cases), hospitalisation data (29 cases) and weekly virological reports (96 cases). The median age of cases in the notification, laboratory and GP databases ranged from 13 to 15 years. The proportion of cases that were unvaccinated ranged from 65% to 85% in the notification, laboratory and GP databases. Having orthodox Protestant beliefs was the main reason for not being vaccinated. In Canada, a mumps virus strain indistinguishable from the Dutch epidemic strain was detected between February and October 2008 in an orthodox Protestant community with historical and family links to the affected community in the Netherlands, suggesting that spread to Canada had occurred. Prevention and control of vaccine-preventable diseases among population subgroups with low vaccination coverage remains a priority.
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Schöttler J, Hagemann A, Grothusen C, Stohn S, Pleger D, von der Brelie M, Cremer J, Haake N. [Mid-term outcome of cardiac surgery patients with prolonged postoperative intensive care treatment]. Med Klin Intensivmed Notfmed 2011; 106:41-7. [PMID: 21975841 DOI: 10.1007/s00063-011-0025-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2010] [Revised: 11/27/2010] [Accepted: 11/30/2010] [Indexed: 11/30/2022]
Abstract
BACKGROUND The number of patients of advanced age and with severe comorbidities undergoing cardiac surgery is rising. Therefore, in addition to the cardiac surgery procedure itself, postoperative intensive care treatment plays an increasingly important role. The mid-term outcome of patients with postoperative long-term stays in intensive care and perioperative risk factors for an adverse outcome have not been sufficiently evaluated. MATERIAL AND METHODS All patients who underwent cardiac surgery in our institution between 2000 and 2004 and who required intensive care treatment on our cardiac surgery intensive care unit for at least 1 week were analyzed. Patients who received heart or lung transplantation or surgery for congenital heart failure were excluded. A total of 31 perioperative variables were evaluated for 230 patients. Follow-up was performed 1 year postoperatively. RESULTS In all, 4.3% of our patients required a prolonged stay in intensive care following cardiac surgery. Overall 1-year mortality among patients with a long-term stay in intensive care was 26.9%. The logistic regression identified postoperative renal failure requiring dialysis (OR 4.98) as the strongest predictor for mortality within the first year after surgery, followed by postoperative tracheotomy and preoperatively known atrial fibrillation. CONCLUSION Mid-term survival among patients who underwent cardiac surgery followed by a complicated postoperative course is encouragingly high. The risk factors identified for an adverse prognosis may be helpful in improving therapy strategies and general therapy decision-making.
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Fudickar A, Leiendecker J, Meybohm P, Siggelkow M, Cremer J, Steinfath M, Bein B. Electrophysiologic neuromonitoring during repair of the thoracoabdominal aorta by anesthesiologists. Minerva Anestesiol 2011; 77:861-869. [PMID: 21878867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
BACKGROUND Surgical repair of the thoracoabdominal aorta is associated with risk of spinal ischemia. Electrophysiologic neuromonitoring reduces this risk, but is usually performed by neurophysiologists not always available. In this study repair of the thoracoabdominal aorta monitored by anesthesiologists has been investigated. METHODS Somatosensory and transcranial electrical motor evoked potentials were monitored in 20 patients. A lumbar intraspinal fluid drainage was inserted. Dacron graft replacement of the aorta was performed by sequentially clamping during partial cardiopulmonary bypass. Loss or decrease of amplitudes of evoked potentials of more than 50% prompted reinsertion of spinal arteries in the graft. RESULTS One patient not monitored with motor evoked potentials due to indwelling cardiac pacemaker had postoperative paraplegia. Somatosensory and motor evoked potentials were recordable in all other patients. Two patients died during surgery, one patient died postoperatively. No surviving patient monitored with somatosensory and motor evoked potentials had neurologic deficits. CONCLUSION Electrophysiologic neuromonitoring during surgical repair of the descending aorta can be successfully provided by anesthesiologists and should be predominately encouraged where neurophysiologists are not available due to organizational or financial shortcomings.
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Haneya A, Haake N, Diez C, Puehler T, Cremer J, Schmid C, Hirt S. Impact of the Eurotransplant High-Urgency Heart Allocation System on the Outcome of Transplant Candidates in Germany. Thorac Cardiovasc Surg 2011; 59:93-7. [DOI: 10.1055/s-0030-1250482] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Falk V, Cremer J. Kommentar zur Joint ESC/EACTS Practice Guidelines on Myocardial Revascularization. ZEITSCHRIFT FUR HERZ THORAX UND GEFASSCHIRURGIE 2011. [DOI: 10.1007/s00398-010-0814-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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121
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Schoeneich F, Rahimi A, Hoffmann G, Eide M, Schöttler J, Cremer J. Transatrial left-ventricular cannulation in acute typ A aortic dissection: Save, easy and effective! Thorac Cardiovasc Surg 2011. [DOI: 10.1055/s-0030-1269334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Metzner A, Stock U, Boldt J, Fischer G, Baehr T, Cremer J, Lutter G. Percutaneous pulmonary valve replacement: CD133+ tissue-engineered valved stent implantation. Thorac Cardiovasc Surg 2011. [DOI: 10.1055/s-0030-1269231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Rylski B, Südkamp M, Beyersdorf F, Nitsch B, Hoffmann I, Blettner M, Moritz A, Mohr FW, Carrel T, Karck M, Beyer M, Vahl CF, Harringer W, Stock U, Dapunt O, Reichenspurner H, Laufer G, Reichart B, Jakob H, Matschke K, Diegeler A, Sievers HH, Walther T, Schäfers HJ, Däbritz S, Warnecke H, Kellner HJ, Scheld HH, Gummert J, Autschbach R, Welz A, Rieß FC, Leyh R, Posival H, Massoudy P, Ennker J, Weinhold C, Steinhoff G, Cremer J, Franke U, Dörge H, Kuntze T, Fischlein T, Hausmann H, Wimmer-Greinecker G, Silber RE, Doenst T, Doll N, Hammel D, Weigang E. Differences in management and outcomes between young and elderly patients with acute aortic dissection type A: Results from the German Registry for Acute Aortic Dissection type A (GERAADA). Thorac Cardiovasc Surg 2011. [DOI: 10.1055/s-0030-1269135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Bombien R, Marczynski-Bühlow M, Leester-Schädel M, Brinkmann R, Plonien K, Schmitz C, Cremer J, Reichart B, Lutter G. Transcatheter cardiac valve surgery: beating-heart laser resection of the pulmonary valve. Thorac Cardiovasc Surg 2011. [DOI: 10.1055/s-0030-1268934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Schöttler J, Jussli-Melchers J, Stracke L, Stohn S, Schoeneich F, Rahimi A, Hagemann A, Lutter G, Cremer J. Support of saphenous vein grafts externally with a Nitinol mesh (eSVS™, Kips Bay Medical, Minneapolis, USA) during coronary artery bypass grafting. Thorac Cardiovasc Surg 2011. [DOI: 10.1055/s-0030-1269362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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