Zusammenfassung
Die optimale Therapie von herzchirurgischen Patienten mit koexistierender schwerer koronarer und karotidaler Atherosklerose zur Reduzierung des Schlaganfallrisikos wird kontrovers diskutiert. Bis heute besteht keine hohe Evidenz für einen Vorteil der kombinierten Karotisrevaskularisation und koronaren Bypassoperation („coronary artery bypass grafting“, CABG) gegenüber der isolierten CABG. Während eine Karotisrevaskularisation bei symptomatischer Karotisstenose, unilateralen asymptomatischen Karotisstenosen mit aufgehobener zerebraler Reservekapazität, hochgradiger asymptomatischer Karotisstenose mit kontralateralem Verschluss oder hochgradigen asymptomatischen bilateralen Karotisstenosen (kumulativ >140 %) vorteilhaft sein kann, ist dies für die überwiegende Mehrheit der asymptomatischen Karotisstenosen nicht gesichert. Bislang wird daher empfohlen, die Indikation zur Karotisrevaskularisation bei Herzoperationen zurückhaltend zu stellen.
Abstract
The optimal treatment for reduction of the risk of stroke in cardiac surgery patients with concurrent severe coronary and carotid artery atherosclerosis is controversially discussed. To date, no high-level evidence exists that combined carotid artery revascularization and coronary bypass grafting (CABG) confer any benefit over isolated CABG. While carotid artery revascularization can be beneficial in cases of symptomatic carotid stenosis, unilateral asymptomatic carotid stenosis with good cerebral reserve capacity, high-grade asymptomatic carotid stenosis with contralateral occlusion or high-grade bilateral carotid artery stenosis (cumulative >140%), there is no proven benefit for the large majority of patients with asymptomatic carotid disease. It is therefore recommended that the indications for carotid revascularization in patients undergoing CABG should be considered with caution.
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Interessenkonflikt
S. C. Knipp, H. Jakob und C. Weimar geben an, dass kein Interessenkonflikt besteht.
Dieser Beitrag beinhaltet keine von den Autoren durchgeführten Studien an Menschen oder Tieren.
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H. Niehaus, Göttingen
A. J. Rastan, Rotenburg a. d. Fulda
CME-Fragebogen
CME-Fragebogen
Wie ist nach NASCET der Stenosegrad von Karotisstenosen definiert?
Restlumen/stenosiertes Gefäßlumen
Restlumen/distales (nichtstenosiertes) Gefäßlumen
Stenosiertes Gefäßlumen/ursprüngliches Gefäßlumen in Höhe der Stenose
Stenosiertes Gefäßlumen/distales (nichtstenosiertes) Gefäßlumen
Ursprüngliches Gefäßlumen in Höhe der Stenose/distales (nichtstenosiertes) Gefäßlumen
Ab welchem Stenosegrad (NASCET) spricht man von einer hochgradigen Karotisstenose?
50 %
60 %
70 %
80 %
90 %
Wie hoch ist die Prävalenz der hochgradigen Karotisstenose in der Allgemeinbevölkerung?
1,0 %
1,7 %
2,5 %
3,9 %
5,0 %
Wie hoch ist die Prävalenz von hochgradigen Karotisstenosen bei herzchirurgischen Patienten?
1,0 %
1,7 %
2,5 %
3,9 %
5,0 %
Welches Verfahren ist nach aktuellen Leitlinien die Methode der ersten Wahl zur Detektion einer Karotisstenose?
CT-Angiographie
Digitale Subtraktionsangiographie
MR-Angiographie
Doppler‑/Duplexsonographie
Auskultation
Welche Strategie wird weltweit am häufigsten bei operationswürdiger KHK mit bekannter koexistierender hochgradiger Karotisstenose angewandt?
Sequenzielle Karotisendarteriektomie (CEA) und On-pump-CABG („staged CEA + CABG“)
Synchrone CEA + On-pump-CABG („synchronous CEA + CABG“)
Stentgestützte Karotisangioplastie (CAS) + CABG am selben Tag („Same-day“-Hybridrevaskularisation)
Sequenzielle CEA + Off-pump-CABG („staged CEA + off-pump CABG“)
Umgekehrt-sequenzielle CABG und CEA („reverse staged CABG + CEA“)
Welches Verfahren zu Koronar- und Karotisrevaskularisation geht mit der höchsten Dreißigtagemortalität einher?
Sequenzielle CEA + CABG
Synchrone CEA + On-pump-CABG
Umgekehrt-sequenzielle CABG + CEA
Synchrone CEA + Off-pump-CABG
Sequenzielle CAS + CABG
In welcher randomisierten Studie wurde die synchrone CEA + CABG mit der isolierten CABG verglichen?
CABACS
TACIT
CREST
NASCET
ACST
Wie hoch war nach den Ergebnissen der ACST-Studie der Vorteil der operierten Patienten im Vergleich zu den konservativ behandelten Patienten nach 10 Jahren, ausgedrückt als absolute Risikoreduktion (ARR)?
14,2 %
4,6 %
7,3 %
2,8 %
9,7 %
Bei welchem Befund besteht eine gesicherte Indikation zur Intervention einer Karotisstenose?
Asymptomatische subtotale Karotisstenose
Symptomatische Karotisstenose
Symptomatischer Karotisverschluss
Hochgradige asymptomatische bilaterale Karotisstenose
Mittelgradige asymptomatische Karotisstenose bei kontralateralem Verschluss
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Knipp, S.C., Jakob, H. & Weimar, C. Extrakranielle Karotisstenose beim herzchirurgischen Patienten. Z Herz- Thorax- Gefäßchir 32, 271–285 (2018). https://doi.org/10.1007/s00398-018-0250-x
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DOI: https://doi.org/10.1007/s00398-018-0250-x
Schlüsselwörter
- Koronare Herzkrankheit
- Schlaganfall
- Asymptomatische Karotisstenose
- Karotisendarteriektomie
- Koronare Bypassoperation