Functional Prognostic value of optical coherence tomography in optic chiasmal decompression: A preliminary study

Mambour, Natasha; Maiter, Dominique; Duprez, T.; Costa, Emmanuel; Fomekong, Edward; Raftopoulos, Christian; Bugli, Céline; Boschi, Antonella

doi:10.1016/j.jfo.2020.06.041

Cited by 1 publication

(3 citation statements)

References 34 publications

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“…10,43 For FD-OCT machines, Yoo et al 56 reported a preoperative cut-off value of 81 µm for pRNFL thickness using Spectralis OCT (Heidelberg Engineering) for predicting good visual recovery. Two other FD-OCT studies performed on Cirrus OCT (Carl Zeiss Meditec) reported preoperative cut-off values of 75 µm for average pRNFL thickness, 60 58 µm for temporal pRNFL thickness, 61 and 67 µm for mGCIPL thickness. 60 Moon and Shin 54 reported preoperative cut-off values of 23.6 µm for mRNFL thickness, 30.6 µm for RGC layer thickness, and 28.9 µm for IPL thickness on Spectralis OCT (Heidelberg Engineering).…”

Section: Oct Imaging As a Prognostic Factor For Visual Outcomementioning

confidence: 99%

“…43,[46][47][48][49]52,55,61 Similarly, patients with mGCIPL loss before decompression have worse postoperative VFs, compared with those without mGCIPL loss. 51,56,57,59,60 While preoperative "cut-off values" of OCT parameters would be useful for prognostication of postoperative visual recovery, they are currently limited because of variation in values by machine manufacturer and cannot be applied across machines, even if they use the same OCT technology (eg, SD-OCT). For TD-OCT devices, preoperative average pRNFL thickness below 75 to 80 µm was associated with worse visual outcomes.…”

Section: Oct Imaging As a Prognostic Factor For Visual Outcomementioning

confidence: 99%

“…43,46-49,52,55,61 Similarly, patients with mGCIPL loss before decompression have worse postoperative VFs, compared with those without mGCIPL loss. 51,56,57,59,60…”

Section: Oct Imaging As a Prognostic Factor For Visual Outcomementioning

confidence: 99%

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Ocular Optical Coherence Tomography in the Evaluation of Sellar and Parasellar Masses: A Review

et al. 2022

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Compression of the anterior visual pathways by sellar and parasellar masses can produce irreversible and devastating visual loss. Optical coherence tomography (OCT) is a noninvasive high-resolution ocular imaging modality routinely used in ophthalmology clinics for qualitative and quantitative analysis of optic nerve and retinal structures, including the retinal ganglion cells. By demonstrating structural loss of the retinal ganglion cells whose axons form the optic nerve before decussating in the optic chiasm, OCT imaging of the optic nerve and retina provides an excellent tool for detection and monitoring of compressive optic neuropathies and chiasmopathies due to sellar and parasellar masses. Recent studies have highlighted the role of OCT imaging in the diagnosis, follow-up, and prognostication of the visual outcomes in patients with chiasmal compression. OCT parameters of optic nerve and macular scans such as peripapillary retinal nerve fiber layer thickness and macular ganglion cell thickness are correlated with the degree of visual loss; additionally, OCT can detect clinically significant optic nerve and chiasmal compression before visual field loss is revealed on automated perimetry. Preoperative values of OCT optic nerve and macular parameters represent a prognostic tool for postoperative visual outcome. This review provides a qualitative analysis of the current applications of OCT imaging of the retina and optic nerve in patients with anterior visual pathway compression from sellar and parasellar masses. We also review the role of new technologies such as OCT-angiography, which could improve the prognostic ability of OCT to predict postoperative visual function.

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