Publications (130) View all

  • Article: Percutaneous revascularization of coronary chronic total occlusion.
    N Reifart
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    ABSTRACT: Percutaneous coronary intervention for chronic total occlusions is the most challenging and time consuming intervention in Cardiology. It is evolving rapidly, well documented by a success rate that in the hands of specifically trained operators recently increased from about 60% to 90% and longterm patency because of drug eluting stents from 50% to 90%. These results are comparable or even superior to surgical revascularisation. Sophisticated techniques unique to CTO interventions were developed and the need for specific training is emphasised so that the success rate of at least 80% as claimed by the ESC guidelines on myocardial revascularization can be met and patients with CTO who deserve revascularization no longer be denied appropriate treatment.
    Minerva medica 10/2011; 102(5):391-7. · 0.90 Impact Factor
  • Article: [6th report of the German Association of Cardiologists in private practice (BNK) on quality assurance in cardiac catheterization and coronary intervention 2006–2009].
    Herz 02/2011; 36(1):41-9. · 0.92 Impact Factor
  • Article: [5th Report of the German Association of Cardiologists in Private Practice (BNK) on Quality Assurance in Cardiac Catheterization and Coronary Intervention 2003-2005].
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    ABSTRACT: On behalf of the German Association of Cardiologists in Private Practice (BNK) the Steering Committee of the QuIK Registry reports on the results of the voluntary quality assurance in invasive cardiology in 2003-2005 and compares it to other data collections. In 2005 more than 70% of diagnostic (LHK) and 78% of therapeutic (PCI) cardiac catheterization procedures in private practice were entered into the registry. Altogether 229,462 LHK and 64,818 PCI were documented over the 3 years. In the reported period age of patients, percentage of acute coronary syndromes and three-vessel coronary artery disease increased in LHK as well as in PCI while consumption of contrast media and fluoroscopy time decreased. By implemented possibility of follow-up, a high rate of external auditing (monitoring) and certification QuIK remains a worldwide unique quality assurance project in cardiology. On a stable data basis over 10 years the QuIK Registry enables the implementation of quality indicators for future quality assurance purposes.
    Herz 03/2007; 32(1):73-84. · 0.92 Impact Factor
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    Article: 5. Bericht des Bundesverbandes Niedergelassener Kardiologen zur Qualitätssicherung in der diagnostischen und therapeutischen Invasivkardiologie 2003–2005
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    ABSTRACT: Das Steering Committee des QuIK-Registers des Bundesverbandes Niedergelassener Kardiologen (BNK) berichtet über die Ergebnisse der freiwilligen externen vergleichenden Qualitätssicherung in der Invasivkardiologie 2003–2005 und vergleicht diese mit anderen Datenerhebungen. Das QuIK-Register bildete 2005 > 70% der diagnostischen (LHK) und 78% der therapeutischen (PCI) Herzkathetereingriffe im niedergelassenen Bereich ab. Insgesamt wurden von 2003–2005 229 462 LHK und 64 818 PCI dokumentiert. Im Berichtszeitraum nahmen sowohl bei LHK als auch bei PCI das Alter der Patienten, der Anteil an akuten Koronarsyndromen und der Anteil an Dreigefäßerkrankungen zu, während Kontrastmittelmengen und Durchleuchtungsdauer weiter abnahmen. QuIK ist durch die Möglichkeit des Follow-up, die große Teilnahme am externen Audit (Monitoring) und die sich daraus ergebende Zertifizierung weiterhin weltweit das einzige kardiologische QS-Projekt dieser Art. Aufgrund der stabilen Datenbasis über nunmehr 10 Jahre lassen sich aus dem QuIK-Register Qualitätsindikatoren für zukünftige Qualitätssicherungsmaßnahmen erstellen. On behalf of the German Association of Cardiologists in Private Practice (BNK) the Steering Committee of the QuIK Registry reports on the results of the voluntary quality assurance in invasive cardiology in 2003–2005 and compares it to other data collections. In 2005 more than 70% of diagnostic (LHK) and 78% of therapeutic (PCI) cardiac catheterization procedures in private practice were entered into the registry. Altogether 229,462 LHK and 64,818 PCI were documented over the 3 years. In the reported period age of patients, percentage of acute coronary syndromes and three-vessel coronary artery disease increased in LHK as well as in PCI while consumption of contrast media and fluoroscopy time decreased. By implemented possibility of follow-up, a high rate of external auditing (monitoring) and certification QuIK remains a worldwide unique quality assurance project in cardiology. On a stable data basis over 10 years the QuIK Registry enables the implementation of quality indicators for future quality assurance purposes.
    Herz 12/2006; 32(1):73-84. · 0.92 Impact Factor
  • Article: Percutaneous in situ coronary venous arterialization: report of the first human catheter-based coronary artery bypass.
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    ABSTRACT: Diffuse coronary artery disease is frequently untreatable by coronary artery bypass or angioplasty. Many such "no-option" patients have been subjects for trials of angiogenesis using growth factor manipulation or laser injury. We think these novel revascularization strategies are limited by insufficient inflow to putative areas of new microvasculature and thus seek a more mechanical solution. We report the use of a catheter-based system for arterializing the adjacent anterior cardiac vein in a patient with chronic total occlusion of the left anterior descending coronary artery. A composite catheter system (phased-array ultrasound imaging system mounted on a catheter with extendable nitinol needle) was used to deliver an exchange-length intracoronary guidewire from the proximal left anterior descending coronary artery into the parallel anterior interventricular vein. Using standard angioplasty techniques, a fistula was then constructed from the proximal artery to the coronary vein using a self-expanding connector. The proximal vein was blocked with a novel self-expanding "blocker," thus precluding "steal" through the coronary sinus and forcing retroperfusion of the anterior wall. The procedure was completed without complication, and a follow-up angiogram at 3 months confirmed continued patency of the arteriovenous connection. This patient, who had severe angina before the procedure, has been asymptomatic for 12 months. Percutaneous in situ venous arterialization may be an effective therapy for diffuse, "untreatable" coronary disease by supplying a robust inflow of arterialized blood via retroperfusion to severely ischemic myocardium.
    Circulation 06/2001; 103(21):2539-43. · 14.74 Impact Factor

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