Analysis of factors affecting visual field recovery following surgery for pituitary adenoma

Published on Feb 24, 2021in International Ophthalmology1.314
· DOI :10.1007/S10792-021-01757-6
Su Hwan Park1
Estimated H-index: 1
(PNU: Pusan National University),
Su Hwan Park2
Estimated H-index: 2
(PNU: Pusan National University)
+ 4 AuthorsSu Jin Kim2
Estimated H-index: 2
(PNU: Pusan National University)
PURPOSE To analyze the factors influencing visual field recovery in patients with pituitary adenoma following surgical treatment. METHODS We retrospectively reviewed 144 eyes of 72 patients with pituitary adenoma who had been followed up for more than 6 months following surgery between January 2016 and December 2019. Pre and postoperative visual acuity, visual field test and retinal nerve fiber layer (RNFL) thickness were investigated. We defined recovery of visual field defects as being an improvement in mean deviation (MD) of 2 dB or more. RESULT The average age of the 72 patients (144 eyes) was 51.94 ± 14.69 years, making for 37 patients in the recovery group and 35 patients in the non-recovery group. Preoperative MD, pattern standard deviation (PSD), and visual field indexes (VFI) were negatively correlated to postoperative MD, PSD and VFI changes and positively correlated to postoperative MD, PSD, and VFI values. Using multiple regression analysis, a shorter duration of symptoms (Odds ratio [OR], 0.990; p = 0.033), higher preoperative MD values (OR, 0.871; p = 0.025), and thicker temporal RNFL (OR, 1.068; p = 0.048) were associated with a visual field recovery following surgery. CONCLUSIONS The prognosis for visual field recovery is favorable for patients who have a short period from symptom onset to surgery, a higher MD value of preoperative VF, and a thicker peripapillary temporal RNFL thickness. Therefore, the preoperative MD, temporal RNFL thickness, and the symptom period can be predictive variables affecting postoperative visual field recovery.
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