Background: Transsphenoidal surgery (TSS) for pituitary adenomas (PAs) is performed on elderly patients with increasing frequency. More research is necessary to assess the risk factors that are associated with TSS in an aging population.
Objective: To perform a retrospective study on postoperative safety outcomes following TSS in the elderly population stratified by decade of life.
Methods: A retrospective chart review of the USC Pituitary Database was conducted to identify patients ≥70 yr, who underwent TSS for PAs between 1995 and 2017. Surgical outcomes were analyzed in elderly (≥70 yr) vs nonelderly (<70 yr) patients. Elderly patients were additionally stratified according to age 70 to 79 vs ≥80 yr.
Results: The cohorts included 115 elderly patients (70-79 yr: 94 patients; ≥80 yr: 21 patients) and 770 nonelderly patients. Elderly patients presented with more vision loss (62% vs 38%, P < .0001), dizziness (17% vs 6%, P = .0001) and altered mental status (7.3% vs 3%, P = .0451). Overall rates of surgical, medical, and endocrine complications were similar; however, elderly patients had significantly higher rates of postoperative hyponatremia (9.3% vs 4.7%, P = .0401) and lower rates of transient diabetes insipidus (0.9% vs 7.9%, P = .0038). Patients ≥ 80 yr had significantly more surgical complications (26.3%) compared to the 70 to 79 group (7.87%; P = .021) and <70 group (12.5%; P = .04).
Conclusion: Patients >70 yr are appropriate surgical candidates for TSS given the similar safety outcomes as younger patients. Given the higher propensity for surgical complications; however, a higher level of operative selectivity should be maintained in octogenarian patients.
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