Association between Surgery for Odontoid Fractures in the Elderly and in-hospital Outcomes: Analysis from the American College of Surgeons Trauma Quality Improvement Program

Author:

Merali Zamir1,Zhang Peng F.2,Jaffe Rachael H.2,Jaja Blessing N. R.3,Harrington Erin M.2,Malhotra Armaan K.1,Smith Christopher W.2,He Yingshi2,Balas Michael2,Jack Andrew S.4,Fehlings Michael G.1,Wilson Jefferson R.1,Witiw Christopher D.1

Affiliation:

1. University of Toronto

2. St. Michael’s Hospital

3. St. Michael’s Hospital, Li Ka Shing Knowledge Institute

4. University of Alberta

Abstract

Abstract Odontoid fractures are increasingly prevalent in older adults and associated with high morbidity and mortality. Optimal management remains controversial. Our study aims to investigate the association between surgical management of odontoid fractures and in-hospital mortality in a multi-center geriatric cohort. We identified patients 65 years or older with C2 odontoid fractures from the Trauma Quality Improvement Program database. The primary study outcome was in-hospital mortality. Secondary outcomes were in-hospital complications and hospital length of stay. Generalized estimating equation models were used to compare outcomes between operative and non-operative cohorts. Among the 13218 eligible patients, 1100 (8.3%) were treated surgically. The risk of in-hospital mortality did not differ between surgical and non-surgical groups, after patient and hospital-level adjustment (OR: 0.94, 95%CI: 0.55–1.60). The risks of major complications and immobility-related complications were higher in the operative cohort (adjusted OR: 2.12, 95%CI: 1.53–2.94; and OR: 2.24, 95%CI: 1.38–3.63, respectively). Patients undergoing surgery had extended in-hospital length of stay compared to the non-operative group (9 days, IQR: 6–12days vs. 4 days, IQR: 3-7days). These findings were supported by secondary analyses that considered between-center differences in rates of surgery. Among geriatric patients with odontoid fractures surgical management was associated with similar in-hospital mortality, but higher in-hospital complication rates compared to non-operative management. Surgical management of geriatric patients with odontoid fractures requires careful patient selection and consideration of pre-existing comorbidities.

Publisher

Research Square Platform LLC

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