Zusammenfassung
Hintergrund
Die Indocyaningrün(ICG)-Fluoreszenzbildgebung wird zunehmend in verschiedenen Bereichen der Viszeralchirurgie angewandt. Die stetige Verbesserung der Technik ermöglicht einen leichten intraoperativen Einsatz und beeinflusst zunehmend operative Entscheidungsprozesse, insbesondere in der robotisch assistierten Kolorektalchirurgie.
Ziel der Arbeit
Die aktuelle Evidenz zur Anwendung von ICG-Fluoreszenzbildgebung in der robotisch assistierten Kolorektalchirurgie wird subsummiert.
Material und Methoden
Die Beurteilung der Evidenz basiert auf einer umfassenden Literaturrecherche (PubMed).
Ergebnisse
Erste einzelne Studien (Machbarkeitsstudie, Fall-Kontroll-Studie, prospektive Kohortenstudie, multizentrische Phase-II-Studie, Single-center-RCT) zeigen eine signifikante Verringerung der Inzidenz von Anastomoseninsuffizienzen (AI) nach kolorektaler Anastomose durch Nutzung von ICG-Fluoreszenzangiographie (ICG-FA; 9,1 % vs. 16,3 %; p = 0,04). Erste Machbarkeitsstudien demonstrieren Lymphknotendetektion oder -navigation sowie Ureterenvisualisierung.
Diskussion
Die ICG-FA detektiert Gewebeperfusion sicher, nebenwirkungsarm, schnell und effektiv. Sie kann intraoperative Entscheidungsprozesse beeinflussen und bestenfalls die Inzidenz von AI reduzieren. Darüber hinaus kann via ICG-Sentinel-Lymphknoten(SLN)-Detektion und Lymphknotendarstellung bzw. -navigation („lateral pelvic lymph nodes“, LPNs) Patienten möglicherweise eine präzisere Tumortherapie angeboten werden. Iatrogenen Läsionen, wie z. B. Ureterverletzungen, kann durch entsprechende Visualisierung suffizient vorgebeugt werden. Valide Daten, um standardisiert operative Konsequenzen ableiten zu können, bedürfen allerdings weiterer überzeugender multizentrischer, randomisiert kontrollierter Studien.
Abstract
Background
Indocyanine green (ICG) fluorescence imaging is increasingly being used in various areas of abdominal surgery. The constant improvement in the technology enables easy intraoperative use and progressively influences operative decision-making, also in robotically assisted colorectal surgery.
Objective
Summation of current evidence on the use of ICG fluorescence imaging in robotically assisted colorectal surgery.
Material and methods
The assessment of evidence is based on a comprehensive literature search (PubMed).
Results
First individual studies (feasibility, case matched, prospective cohort, multicenter phase II, single center randomized controlled study/trial) showed a significant reduction in the incidence of anastomotic leakage (AL) after colorectal anastomosis through the use of ICG fluorescence angiography (FA, 9.1% vs. 16.3%; p = 0.04). First feasibility studies demonstrated lymph node detection or navigation as well as ureter visualization.
Conclusion
The ICG-FA reliably detects tissue perfusion, quickly and effectively with few side effects. It can influence intraoperative decision-making and reduce AL rates. In addition, patients may be offered more precise tumor therapy via ICG sentinel lymph node (SLN) detection and lateral pelvic lymph node (LPN) mapping and navigation. Iatrogenic lesions, such as ureteral injuries can be sufficiently prevented by appropriate visualization; however, valid data in order to be able to derive standardized operative consequences require further convincing multicenter, randomized controlled trials (mRCT).
Abbreviations
- AI:
-
Anastomoseninsuffizienz
- AMI:
-
Arteria mesenterica inferior
- AMS:
-
Arteria mesenterica superior
- FA:
-
„Fluorescence angiography“ (Fluoreszenzangiographie)
- FDA:
-
„U.S. Food and Drug Administration“ (amerikanisches Pendant zum deutschen Bundesinstitut für Arzneimittel und Medizinprodukte [BfArM])
- HD:
-
„High definition“ (hochauflösend)
- ICG:
-
„Indocyanine green“ (Indocyaningrün)
- i.v.:
-
intravenös
- KRK:
-
Kolorektales Karzinom
- LPNs:
-
„Lateral pelvic lymph nodes“ (laterale Beckenkymphknoten)
- MIS/MIC:
-
„Minimally invasive surgery“ (minimal-invasive Chirurgie)
- RCT:
-
„Randomised controlled trial“ (randomisiert kontrollierte Studie)
- SLN:
-
„Sentinel lymph node“ (Sentinel-Lymphknoten)
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T.O. Vilz, J.C. Kalff und B. Stoffels geben an, dass kein Interessenkonflikt besteht.
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Vilz, T.O., Kalff, J.C. & Stoffels, B. Evidenz der Indocyaningrünfluoreszenz in der robotisch assistierten Kolorektalchirurgie. Chirurg 92, 115–121 (2021). https://doi.org/10.1007/s00104-020-01340-2
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DOI: https://doi.org/10.1007/s00104-020-01340-2