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Extrakranielle Karotisstenose beim herzchirurgischen Patienten

Diagnostik und Therapie

Carotid artery stenosis in patients undergoing cardiac surgery

Diagnostics and treatment

  • CME
  • Published:
Zeitschrift für Herz-,Thorax- und Gefäßchirurgie Aims and scope

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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Correspondence to S. C. Knipp.

Ethics declarations

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.

Additional information

Redaktion

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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