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Kollmar, Otto
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Kollmar, Otto
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Kollmar, Otto
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Kollmar, O.
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2017Journal Article [["dc.bibliographiccitation.firstpage","2039"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Clinical Oral Investigations"],["dc.bibliographiccitation.lastpage","2045"],["dc.bibliographiccitation.volume","22"],["dc.contributor.author","Schmalz, Gerhard"],["dc.contributor.author","Meisel, Anja"],["dc.contributor.author","Kollmar, Otto"],["dc.contributor.author","Kauffels, Anne"],["dc.contributor.author","Slotta, Jan E."],["dc.contributor.author","Kottmann, Tanja"],["dc.contributor.author","Haak, Rainer"],["dc.contributor.author","Ziebolz, Dirk"],["dc.date.accessioned","2021-06-01T10:49:16Z"],["dc.date.available","2021-06-01T10:49:16Z"],["dc.date.issued","2017"],["dc.identifier.doi","10.1007/s00784-017-2298-5"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/86222"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-425"],["dc.relation.eissn","1436-3771"],["dc.relation.issn","1432-6981"],["dc.title","Oral health-related quality of life depending on dental and periodontal health in different patients before and after liver transplantation"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]Details DOI2015Journal Article [["dc.bibliographiccitation.firstpage","376"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Zentralblatt für Chirurgie - Zeitschrift für Allgemeine Viszeral- Thorax- und Gefäßchirurgie"],["dc.bibliographiccitation.lastpage","381"],["dc.bibliographiccitation.volume","140"],["dc.contributor.author","Slotta, Jan Erik"],["dc.contributor.author","Schilling, Martin Karl"],["dc.contributor.author","Ghadimi, Michael B."],["dc.contributor.author","Kollmar, Otto"],["dc.date.accessioned","2018-11-07T09:53:47Z"],["dc.date.available","2018-11-07T09:53:47Z"],["dc.date.issued","2015"],["dc.description.abstract","Since September 1st, 2009, the most recent version of the German \"Betreuungsrechtsanderungsgesetz\" has been validated by the legislators. It precisely sets out how physicians and nursing staff have to deal with a written declaration of a patient's will. This new law focuses in a special way on advance directives, describes the precise rules for the authors of an advance directive and shows both its sphere of action and its limitations. This article aims to give an overview on the legal scope of advance directives, and to illustrate potential limitations and conflicts. Furthermore, it shows the commitments and rights of the medical team against the background of an existing advance directive."],["dc.identifier.doi","10.1055/s-0032-1328354"],["dc.identifier.isi","000359715500009"],["dc.identifier.pmid","23696206"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/36398"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Georg Thieme Verlag Kg"],["dc.relation.issn","1438-9592"],["dc.relation.issn","0044-409X"],["dc.title","Advance Directives - Not a Lot of Margin for Error - The Surgeon's View of a Complex Medical-Legal Topic"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]Details DOI PMID PMC WOS2014Conference Abstract [["dc.bibliographiccitation.firstpage","713"],["dc.bibliographiccitation.journal","American Journal of Transplantation"],["dc.bibliographiccitation.lastpage","714"],["dc.bibliographiccitation.volume","14"],["dc.contributor.author","Kanzow, Philipp"],["dc.contributor.author","Kollmar, Otto"],["dc.contributor.author","Oellerich, M."],["dc.contributor.author","Schütz, Ekkehard"],["dc.contributor.author","Schmitz, J."],["dc.contributor.author","Beck, J."],["dc.contributor.author","Slotta, Jan Erik"],["dc.contributor.author","Walson, Philip D."],["dc.date.accessioned","2018-11-07T09:39:13Z"],["dc.date.available","2018-11-07T09:39:13Z"],["dc.date.issued","2014"],["dc.identifier.isi","000338033303192"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/33230"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.publisher.place","Hoboken"],["dc.relation.conference","World Transplant Congress"],["dc.relation.eventlocation","San Francisco, CA"],["dc.relation.issn","1600-6143"],["dc.relation.issn","1600-6135"],["dc.title","Potential of Graft-Derived Cell-Free DNA Quantification to Improve Outcomes With Marginal Donor Organs - Case Report of Successful Liver Transplantation of a HELLP Syndrome Donor."],["dc.type","conference_abstract"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]Details WOS2014Conference Abstract [["dc.bibliographiccitation.firstpage","S241"],["dc.bibliographiccitation.journal","Liver Transplantation"],["dc.bibliographiccitation.lastpage","S242"],["dc.bibliographiccitation.volume","20"],["dc.contributor.author","Slotta, Jan Erik"],["dc.contributor.author","Kanzow, Philipp"],["dc.contributor.author","Schuetz, Ekkehardt"],["dc.contributor.author","Oellerich, Michael"],["dc.contributor.author","Kollmar, Otto"],["dc.date.accessioned","2018-11-07T09:39:07Z"],["dc.date.available","2018-11-07T09:39:07Z"],["dc.date.issued","2014"],["dc.identifier.isi","000339959602142"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/33206"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.publisher.place","Hoboken"],["dc.relation.conference","Joint International Congress of ILTS, ELITA and LICAGE"],["dc.relation.eventlocation","London, ENGLAND"],["dc.relation.issn","1527-6473"],["dc.relation.issn","1527-6465"],["dc.title","Graft Derived Cell-Free DNA as an Early Organ Integrity Biomarker after Liver Transplantation of a HELLP Syndrome Donor Liver."],["dc.type","conference_abstract"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]Details WOS2014Conference Abstract [["dc.bibliographiccitation.issue","15"],["dc.bibliographiccitation.journal","Journal of Clinical Oncology"],["dc.bibliographiccitation.volume","32"],["dc.contributor.author","Hosseini, Ali Seif Amir"],["dc.contributor.author","Slotta, Jan"],["dc.contributor.author","Panahi, Babak"],["dc.contributor.author","Jenzawski, Peter"],["dc.contributor.author","Lotz, Joachim"],["dc.contributor.author","Kollmar, Otto"],["dc.contributor.author","Engelke, Christoph"],["dc.date.accessioned","2018-11-07T09:40:06Z"],["dc.date.available","2018-11-07T09:40:06Z"],["dc.date.issued","2014"],["dc.identifier.isi","000358613200535"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/33437"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Amer Soc Clinical Oncology"],["dc.publisher.place","Alexandria"],["dc.relation.conference","50th Annual Meeting of the American-Society-of-Clinical-Oncology"],["dc.relation.eventlocation","Chicago, IL"],["dc.relation.issn","1527-7755"],["dc.relation.issn","0732-183X"],["dc.title","DEB40 mu m-TACE: Early single-center results in 23 patients"],["dc.type","conference_abstract"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]Details WOS2012Journal Article [["dc.bibliographiccitation.firstpage","215"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","European surgical research. Europäische chirurgische Forschung. Recherches chirurgicales européennes"],["dc.bibliographiccitation.lastpage","222"],["dc.bibliographiccitation.volume","48"],["dc.contributor.author","Schäfer, T."],["dc.contributor.author","Sperling, J."],["dc.contributor.author","Slotta, J. E."],["dc.contributor.author","Kollmar, O."],["dc.contributor.author","Schilling, M. K."],["dc.contributor.author","Menger, M. D."],["dc.contributor.author","Richter, S."],["dc.date.accessioned","2019-07-09T11:40:02Z"],["dc.date.available","2019-07-09T11:40:02Z"],["dc.date.issued","2012"],["dc.description.abstract","BACKGROUND: Hepatic arterial infusion (HAI) has been developed for high-dose regional chemotherapy of unresectable liver metastases or primary liver malignancies. While it is well known that high concentrations of tumor necrosis factor (TNF)-α damage tumor blood perfusion, there is no information on whether autochthonous liver perfusion is affected by HAI with TNF-α. Therefore, we investigated the effects of HAI with TNF-α on hepatic macro- and microvascular perfusion. METHODS: Swabian Hall pigs were randomized into three groups. HAI was performed with either 20 or 40 µg/kg body weight TNF-α (n = 6 each group). Saline-treated animals served as controls (n = 6). Analyses during a 2-hour post-HAI observation period included systemic hemodynamics, portal venous and hepatic arterial blood flow, portal venous pressure, and the blood flow in the hepatic microcirculation. RESULTS: HAI with TNF-α caused a slight decrease of mean arterial blood pressure (p < 0.001), which was compensated by a moderate increase of heart rate (p < 0.001). No further systemic side effects of TNF-α were observed. HAI with TNF-α further caused a slight but not significant decrease of portal venous blood flow (p = 0.737) in both experimental groups, paralleled by an increase of hepatic arterial blood flow (p = 0.023, 20 µg/kg; p = 0.034, 40 µg/kg) resulting in an overall hepatic hyperperfusion. The hepatic hyperperfusion after HAI with 20 µg/kg TNF-α was more pronounced and associated with a 40% decrease of the blood flow in the hepatic microcirculation (p = 0.009). HAI with 40 µg/kg TNF-α was only associated with a temporary and moderate total hepatic hyperperfusion and did not affect the blood flow in the hepatic microcirculation. CONCLUSION: HAI with TNF-α causes a decrease of portal venous flow; however, this is overcompensated by an increased hepatic arterial blood flow, resulting in a total hepatic hyperperfusion. Moderate total hepatic hyperperfusion does not affect the blood flow in the hepatic microcirculation, while a persistent and more pronounced hyperperfusion may cause hepatic microcirculatory disturbances."],["dc.identifier.doi","10.1159/000339306"],["dc.identifier.fs","594196"],["dc.identifier.pmid","22739241"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10601"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/58078"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.relation.issn","1421-9921"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject.mesh","Animals"],["dc.subject.mesh","Blood Pressure"],["dc.subject.mesh","Female"],["dc.subject.mesh","Heart Rate"],["dc.subject.mesh","Hepatic Artery"],["dc.subject.mesh","Liver Circulation"],["dc.subject.mesh","Male"],["dc.subject.mesh","Microcirculation"],["dc.subject.mesh","Portal Vein"],["dc.subject.mesh","Swine"],["dc.subject.mesh","Tumor Necrosis Factor-alpha"],["dc.subject.mesh","Venous Pressure"],["dc.title","Hepatic arterial infusion with tumor necrosis factor-α induces early hepatic hyperperfusion."],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]Details DOI PMID PMC2017Journal Article [["dc.bibliographiccitation.firstpage","503"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Der Chirurg"],["dc.bibliographiccitation.lastpage","511"],["dc.bibliographiccitation.volume","88"],["dc.contributor.author","Slotta, Jan Erik"],["dc.contributor.author","Kopsch, U."],["dc.contributor.author","Ghadimi, Michael B."],["dc.contributor.author","Kollmar, Otto"],["dc.date.accessioned","2018-11-07T10:23:00Z"],["dc.date.available","2018-11-07T10:23:00Z"],["dc.date.issued","2017"],["dc.description.abstract","Acute appendicitis is a common disease which requires immediate surgical treatment of the focus of inflammation. So far there are no reliable data on how much time can pass between hospitalization, indications for surgery and initiating surgery without an increased risk of morbidity and mortality for the patient. The aim of this study was to investigate how much time can lapse between admission and initiation of surgery for acute appendicitis while still providing patient safety and no increase in complication rates. This retrospective analysis investigated the management of all patients who underwent appendectomy under the suspicion of acute appendicitis. Besides the time span between hospital admittance and beginning of the operation (admission to incision time, AIT), anamnestic, diagnostic, technical and perioperative data were assessed and statistically analyzed (mean +/- SD). From January 2008 to April 2013 a total of 655 patients underwent appendectomy. The mean AIT was 7 h and the rate of negative appendectomy was 9.8 %. The mean hospitalization period was 5.9 +/- 8.7 days with a postoperative stay of 5.2 +/- 7.1 days. A comparison of the subgroups stratified by increasing AIT showed that there was no increased probability for perforation or postoperative complications with an AIT of up to 8 h. This retrospective cohort study showed that appendectomy should be performed within the first 8 h after hospitalization of the patient."],["dc.identifier.doi","10.1007/s00104-016-0310-2"],["dc.identifier.isi","000403424800007"],["dc.identifier.pmid","27770142"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/42378"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","PUB_WoS_Import"],["dc.publisher","Springer"],["dc.relation.issn","1433-0385"],["dc.relation.issn","0009-4722"],["dc.title","Management of acute Appendicitis Evidence for prompt surgical Treatment?"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]Details DOI PMID PMC WOS2013Journal Article [["dc.bibliographiccitation.firstpage","1732"],["dc.bibliographiccitation.issue","12"],["dc.bibliographiccitation.journal","Clinical Chemistry"],["dc.bibliographiccitation.lastpage","1741"],["dc.bibliographiccitation.volume","59"],["dc.contributor.author","Beck, Julia"],["dc.contributor.author","Bierau, Sarah"],["dc.contributor.author","Balzer, Stefan"],["dc.contributor.author","Andag, Reiner"],["dc.contributor.author","Kanzow, Philipp"],["dc.contributor.author","Schmitz, Jessica"],["dc.contributor.author","Gaedcke, Jochen"],["dc.contributor.author","Mörer, Onnen"],["dc.contributor.author","Slotta, Jan E."],["dc.contributor.author","Walson, Philip D."],["dc.contributor.author","Kollmar, Otto"],["dc.contributor.author","Oellerich, Michael"],["dc.contributor.author","Schütz, Ekkehard"],["dc.date.accessioned","2020-05-22T07:07:40Z"],["dc.date.available","2020-05-22T07:07:40Z"],["dc.date.issued","2013"],["dc.description.abstract","BACKGROUND Cell-free DNA (cfDNA) from grafts in the circulation of transplant recipients is a potential biomarker of rejection. Its usefulness was investigated after heart transplantation during the maintenance phase by use of microarrays and massive parallel sequencing of donor and recipient DNA. Disadvantages of these methods are high costs, long turnaround times, and need for donor DNA. Therefore, we sought to develop a rapid and cost-effective method using digital droplet PCR (ddPCR). METHODS Plasma samples were collected from stable recipients after liver (LTx, n = 10), kidney (KTx, n = 9), and heart (HTx, n = 8) transplantation as well as from 7 additional patients directly after LTx. Known single-nucleotide polymorphisms were selected for high minor allelic frequencies, of which 41 hydrolysis probe assays were established. Plasma cfDNA was preamplified, followed by conventional real-time PCR to define informative (heterologous) SNPs, which were then used for quantification (percentage) of graft-derived cfDNA (GcfDNA) using ddPCR. RESULTS Mean recovery was 94% (SD, 13%) with an imprecision of 4%–14% with the use of controls with 2% minor allele. GcfDNA in stable patients was <6.8% (LTx), <2.5% (KTx), and <3.4% (HTx). On the day of LTx, GcfDNA was approximately 90% and by day 10 it was <15% in complication-free LTx recipients. In 2 patients with biopsy-proven rejection, GcfDNA increased to >60%, whereas in 1 patient with cholestasis no increase was found. CONCLUSIONS A novel, cost-effective, rapid technique was developed to quantify GcfDNA in transplant recipients. This technique embodies a promising, potentially universal biomarker for early detection of rejection, which could enable more effective therapeutic interventions."],["dc.identifier.doi","10.1373/clinchem.2013.210328"],["dc.identifier.pmid","24061615"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/65680"],["dc.language.iso","en"],["dc.relation.eissn","1530-8561"],["dc.relation.issn","0009-9147"],["dc.title","Digital droplet PCR for rapid quantification of donor DNA in the circulation of transplant recipients as a potential universal biomarker of graft injury"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]Details DOI PMID PMC2014Conference Abstract [["dc.bibliographiccitation.journal","Transplant International"],["dc.bibliographiccitation.volume","27"],["dc.contributor.author","Beck, J."],["dc.contributor.author","Schmitz, J."],["dc.contributor.author","Kollmar, Otto"],["dc.contributor.author","Slotta, Jan Erik"],["dc.contributor.author","Kanzow, Philipp"],["dc.contributor.author","Walson, Philip D."],["dc.contributor.author","Oellerich, M."],["dc.contributor.author","Schütz, Ekkehard"],["dc.date.accessioned","2018-11-07T09:34:43Z"],["dc.date.available","2018-11-07T09:34:43Z"],["dc.date.issued","2014"],["dc.format.extent","50"],["dc.identifier.isi","000342752400154"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/32234"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.publisher.place","Hoboken"],["dc.relation.issn","1432-2277"],["dc.relation.issn","0934-0874"],["dc.title","USE OF PLASMA GCFDNA QUANTIFICATION TO GUIDE PERSONALIZED IMMUNOSUPPRESSION"],["dc.type","conference_abstract"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]Details WOS2014Conference Abstract [["dc.bibliographiccitation.firstpage","S107"],["dc.bibliographiccitation.journal","Liver Transplantation"],["dc.bibliographiccitation.lastpage","S108"],["dc.bibliographiccitation.volume","20"],["dc.contributor.author","Slotta, Jan Erik"],["dc.contributor.author","Beck, Julia"],["dc.contributor.author","Birau, Sarah"],["dc.contributor.author","Balzer, Stefan"],["dc.contributor.author","Andag, Reiner"],["dc.contributor.author","Kanzow, Philipp"],["dc.contributor.author","Schmitz, Jessica"],["dc.contributor.author","Gaedcke, Jochen"],["dc.contributor.author","Moerer, Onnen"],["dc.contributor.author","Walson, Philip D."],["dc.contributor.author","Oellerich, Michael"],["dc.contributor.author","Schuetz, Eckehardt"],["dc.contributor.author","Kollmar, Otto"],["dc.date.accessioned","2018-11-07T09:39:07Z"],["dc.date.available","2018-11-07T09:39:07Z"],["dc.date.issued","2014"],["dc.identifier.isi","000339959601015"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/33207"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.publisher.place","Hoboken"],["dc.relation.conference","Joint International Congress of ILTS, ELITA and LICAGE"],["dc.relation.eventlocation","London, ENGLAND"],["dc.relation.issn","1527-6473"],["dc.relation.issn","1527-6465"],["dc.title","Quantification of Donor DNA in the Circulation after Liver Transplantation As a Potential Universal Rejection Biomarker Using Digital Droplet PCR."],["dc.type","conference_abstract"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]Details WOS