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  • Title: Time Course of Symptomatic Recovery After Endoscopic Transsphenoidal Surgery for Pituitary Adenoma Apoplexy in the Modern Era.
    Author: Zaidi HA, Cote DJ, Burke WT, Castlen JP, Bi WL, Laws ER, Dunn IF.
    Journal: World Neurosurg; 2016 Dec; 96():434-439. PubMed ID: 27663263.
    Abstract:
    BACKGROUND: Pituitary tumor apoplexy can result from either hemorrhagic or infarctive expansion of pituitary adenomas, and the related mass effect can result in compression of critical neurovascular structures. The time course of recovery of visual field deficits, headaches, ophthalmoparesis, and pituitary dysfunction after endoscopic transsphenoidal surgery has not been well established. METHODS: Medical records were retrospectively reviewed for all patients who underwent endoscopic transsphenoidal surgery for pituitary tumor apoplexy from April 2008 to November 2014. RESULTS: Of 578 patients who underwent transsphenoidal surgery, pituitary tumor apoplexy was identified in 44 patients (7.6%). Two patients had prior surgery, leaving 42 patients for final analysis. These included infarction-related apoplexy in 7 (14.4%) patients, and hemorrhagic apoplexy in 35 (85.6%) patients. Hemorrhagic adenomas had a larger axial tumor diameter than patients with infarctive adenomas (4.4 ± 4.1 cm vs. 1.8 ± 0.8 cm; P < 0.01), but were otherwise equivalent. At an average last follow-up of 2.52 years (range, 0.1-6.7 years), resolution of ophthalmoparesis as a result of pituitary tumor apoplexy demonstrated the longest recovery course (range, 2.4 ± 2.2 months) compared with visual field deficits (range, 8.0 ± 9.9 days), headaches (range, 1.9 ± 3.0 days), or pituitary dysfunction (range, 2.0 ± 1.8 weeks; P < 0.01). All patients who presented with headaches (n = 37) and/or visual disturbances (n = 22) had complete resolution of symptoms at last follow-up, whereas 83.3% of patients who presented with ophthalmoplegia experienced resolution. Endocrinologic dysfunction remained relatively consistent after surgery. CONCLUSIONS: Endoscopic transsphenoidal surgery can provide durable resolution of symptoms for patients presenting with pituitary tumor apoplexy. Recovery from headaches, visual, and pituitary dysfunction may be more rapid compared with ophthalmoparesis.
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