Abstract
Purpose
Several diagnostic modalities are used to detect CSF leaks. Intraoperative use of intrathecal fluorescein can help to detect and localize a CSF leak simultaneously. However, it is not FDA approved, the application is invasive and has serious complications. Topical fluorescein is reported to be a safe and sensitive alternative to ITF. In this study, we aimed to evaluate the effectiveness of topical fluorescein in CSF leak closure.
Methods
This retrospective study includes 27 consecutive patients (19 women, 8 men) who underwent endoscopic endonasal CSF leak closure using topical fluorescein, between 2011 and 2017.
Results
In two patients, radiologic studies false positively locate the defect. β2 transferrin and topical fluorescein tests were positive in these patients. Both cases needed a second operation.
Conclusion
If radiologic studies fail to locate the defect properly, topical fluorescein only confirms the CSF leak, but the defect cannot be located anatomically intraoperatively.
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Acknowledgements
A part of this study was presented as an oral abstract in the 4th Congress of European ORL-HNS.
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This study has not received any specifc funding.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
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Informed consent was obtained from all individual participants included in the study.
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Eren, E., Güvenç, G., İşlek, A. et al. Is topical fluorescein that effective in endoscopic CSF leak closure?. Eur Arch Otorhinolaryngol 277, 1073–1077 (2020). https://doi.org/10.1007/s00405-019-05766-1
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DOI: https://doi.org/10.1007/s00405-019-05766-1