Longterm-Outcomes In Patients With Cushing’s Disease vs. Non-Functioning Pituitary Adenoma After Pituitary Surgery: An Active-Comparator Cohort Study

[~MaryO~]

Abstract

Objective

There is increasing evidence that multisystem morbidity in patients with Cushing's disease (CD) is only partially reversible following treatment. We investigated complications from multiple organs in hospitalized patients with CD compared to patients with non-functioning pituitary adenoma (NFPA) after pituitary surgery.

Design

Population-based retrospective cohort study using data from the Swiss Federal Statistical Office between January 2012 and December 2021.

Methods

Through 1:5 propensity score matching, we compared hospitalized patients undergoing pituitary surgery for CD or NFPA, addressing demographic differences. The primary composite endpoint included all-cause mortality, major adverse cardiac events (i.e., myocardial infarction, unstable angina, heart failure, cardiac arrest, ischemic stroke), hospitalization for psychiatric disorders, sepsis, severe thromboembolic events, and fractures in need of hospitalization. Secondary endpoints comprised individual components of the primary endpoint and surgical reintervention due to disease persistence or recurrence.

Results

After matching, 116 patients with CD (mean age 45.4 years [SD, 14.4], 75.0% female) and 396 with NFPA (47.3 years [14.3], 69.7% female) were included and followed for a median time of 50.0 months (IQR 23.5, 82.0) after pituitary surgery. CD presence was associated with a higher incidence rate of the primary endpoint (40.6 vs. 15.7 events per 1,000 person-years, HR 2.75; 95% CI, 1.54 to 4.90). CD patients also showed increased hospitalization rates for psychiatric disorders (HR 3.27; 95% CI, 1.59 to 6.71) and a trend for sepsis (HR 3.15; 95% CI, 0.95 to 10.40).

Conclusions

Even after pituitary surgery, CD patients faced a higher hazard of complications, especially psychiatric hospitalizations and sepsis.

Cushing's disease, longterm-outcome, pituitary surgery, sepsis, psychiatric disorders

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