• World Neurosurg · Dec 2019

    Clinical efficacy of optical coherence tomography to predict the visual outcome after endoscopic endonasal surgery for suprasellar tumors.

    • Chiman Jeon, Kyung-Ah Park, Sang Duk Hong, Jung Won Choi, Ho Jun Seol, Do-Hyun Nam, Jung-Il Lee, Hyung Jin Shin, and Doo-Sik Kong.
    • Department of Neurosurgery, Endoscopic Skull Base Surgery Clinic, Brain Tumor Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
    • World Neurosurg. 2019 Dec 1; 132: e722-e731.

    BackgroundPrediction of visual outcome after endoscopic endonasal tumor resection still remains a challenge. We investigated the prognostic value of the preoperative peripapillary retinal nerve fiber layer (pRNFL) using optical coherence tomography for visual outcome after endoscopic endonasal surgery (EES) for suprasellar tumors.MethodsWe retrospectively analyzed 122 patients who underwent EES for sellar and suprasellar tumors between January 2016 and January 2018. We retrospectively analyzed the pre- and postoperative relationship between pRNFL thickness and visual outcome based on visual acuity (visual acuity score) and visual field (mean deviation [MD]).ResultsPreoperatively, 216 eyes (mean global pRNFL thickness, 94.3 ± 12.4 μm; 88.5%) were included in the normal pRNFL group (≥70 μm) and 28 eyes (mean global pRNFL thickness, 54.3 ± 11.0 μm; 11.5%) were included in the thin pRNFL group (<70 μm). There was a very strong correlation between pre- and postoperative pRNFL thickness (r = 0.930). The thin pRNFL group showed a stronger correlation between pre- and postoperative MDs than the normal pRNFL group (r = 0.619 and r = 0.420, respectively; P < 0.01). Multivariate analyses identified pRNFL thickness as the only significant predictor of postoperative visual acuity (odds ratio [OR], 25.02; 95% confidence interval [CI], 7.68-81.50; P < 0.01) and visual field (OR, 39.46; 95% CI, 10.39-149.83; P < 0.01).ConclusionsPreoperative pRNFL thickness plays a prognostic value in postoperative visual outcome after EES for sellar and suprasellar tumors. Patients with pRNFL thickness ≥70 μm before surgery are more likely to improve visual outcome than those with thickness <70 μm.Copyright © 2019 Elsevier Inc. All rights reserved.

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