Outcomes and Survival Analysis of Adult Cervical Deformity Patients With 10-Year Follow-Up

Author Type(s)

Student

Document Type

Article

Publication Date

3-1-2024

Journal Title

The Spine Journal

Abstract

BACKGROUND: Previous studies have demonstrated that adult cervical deformity patients may be at increased risk of death in conjunction with increased frailty or a weakened physiologic state. However, such studies have often been limited by follow-up duration, and longer-term studies are needed to better assess temporal changes in ACD patients and associated mortality risk.

PURPOSE: To assess if patients with decreased comorbidities and physiologic burden will be at lessened risk of death for a greater length of time after undergoing adult cervical deformity surgery.

STUDY DESIGN/SETTING: Retrospective review.

PATIENT SAMPLE: Two hundred ninety ACD patients.

OUTCOME MEASURES: Morbidity and mortality data.

METHODS: Operative ACD patients ≥18 years with pre-(BL) and 10-year (10Y) data were included. Patients were stratified as expired versus living, as well as temporally grouped by Expiration prior to 5Y or between 5Y and 10Y. Group differences were assessed via means comparison analysis. Backstep logistic regression identified mortality predictors. Kaplan-Meier analysis assessed survivorship of expired patients. Log rank analysis determined differences in survival distribution groups.

RESULTS: Sixty-six total patients were included (60.97±10.19 years, 48% female, 28.03±7.28 kg/m

CONCLUSIONS: Our study demonstrates that long-term survival after cervical deformity surgery may be predicted by baseline surgical factors. By optimizing BMI, frailty status, and minimizing fusion length when appropriate, surgeons may be able to further assist ACD patients in increasing their survivability postoperatively.

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