Indocyanine green versus technetium-99m with blue dye for sentinel lymph node detection in early-stage cervical cancer: A systematic review and meta-analysis

Ilse G.T. Baeten, Jacob P. Hoogendam, Bernadette Jeremiasse, Arthur J.A.T. Braat, Wouter B. Veldhuis, Geertruida N. Jonges, Ina M. Jürgenliemk-Schulz, Carla H. van Gils, Ronald P. Zweemer, Cornelis G. Gerestein

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5 Citaten (Scopus)

Samenvatting

Background: The fluorescent dye indocyanine green (ICG) has emerged as a promising tracer for intraoperative detection of sentinel lymph nodes (SLNs) in early-stage cervical cancer. Although researchers suggest the SLN detection of ICG is equal to the more conventional combined approach of a radiotracer and blue dye, no consensus has been reached. Aims: We aimed to assess the differences in overall and bilateral SLN detection rates with ICG versus the combined approach, the radiotracer technetium-99m (99mTc) with blue dye. Methods and Results: We searched MEDLINE, Embase, and the Cochrane Library from inception to January 1, 2020 and included studies reporting on a comparison of SLN detection with ICG versus 99mTc with blue dye in early-stage cervical cancer. The overall and bilateral detection rates were pooled with random-effects meta-analyses. From 118 studies retrieved seven studies (one cross-sectional; six retrospective cohorts) were included, encompassing 589 patients. No significant differences were found in the pooled overall SLN detection rate of ICG versus 99mTc with blue dye. Meta-analyses of all studies showed ICG to result in a higher bilateral SLN detection rate than 99mTc with blue dye; 90.3% (95%CI, 79.8-100.0%) with ICG versus 73.5% (95%CI, 66.4-80.6%) with 99mTc with blue dye. This resulted in a significant and clinically relevant risk difference of 16.6% (95%CI, 5.3-28.0%). With sensitivity analysis, the risk difference of the bilateral detection rate maintained in favor of ICG but was no longer significant (13.2%, 95%CI −0.8-27.3%). Conclusion: ICG appears to provide higher bilateral SLN detection rates compared to 99mTc with blue dye in patients with early-stage cervical cancer. However, in adherence with the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) guidelines, the quality of evidence is too low to provide strong recommendations and directly omit the combined approach of 99mTc with blue dye.

Originele taal-2Engels
Artikelnummere1401
TijdschriftCancer Reports
Volume5
Nummer van het tijdschrift1
DOI's
StatusGepubliceerd - jan. 2022

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