All-cause mortality risk in older patients with femoral neck fracture.

BMC Musculoskelet Disord

Department of Orthopaedic and Traumatology, Beijing Jishuitan Hospital, 100035, Beijing, China.

Published: October 2022

AI Article Synopsis

  • The study examines the mortality rates of elderly patients with femoral neck fractures, highlighting that older age and higher comorbidity negatively affect survival.
  • Previous research indicated that zoledronic acid can reduce mortality in intertrochanteric fracture patients, but this study found no similar benefit for femoral neck fracture patients.
  • The results suggest that sex, age, and comorbidity are significant risk factors for mortality, while previous fracture history and certain health metrics did not show a significant difference between those who survived and those who did not.

Article Abstract

Introduction: The mortality rate after hip fracture is high. However, the 1-year mortality rate after femoral intertrochanteric fracture and femoral neck fracture differs (Gibson-Smith D, Klop C, Elders PJ, Welsing PM, van Schoor N, Leufkens HG, et al., Osteoporos Int 25:2555-2563, 2014), although both are types of hip fracture. A previous real-world single-center prospective cohort study showed that older age and high Charlson comorbidity index score were risk factors for femoral intertrochanteric fracture. Additionally, therapy with zoledronic acid 5 mg (Aclasta) was a protective factor (Li XP, Zhang P, Zhu SW, Yang MH, Wu XB, Jiang XY, J Orthop Surg Res. 16:727, 2021). We wished to determine the risk factors for all-cause mortality in femoral neck fracture patients.

Aim: To identify the risk factors for postoperative all-cause mortality in aged patients with femoral neck fracture.

Materials And Methods: We enrolled 307 aged patients with femoral neck fracture; 38 were lost to follow-up after 2-3 years. The patients' general characteristics, bone mineral density, and anti-osteoporosis treatment after operation were recorded as potential risk factors. Kaplan-Meier curves and multivariate Cox proportional hazards models were constructed to analyze the influence of each factor on all-cause mortality.

Results: This was a real-world single-center prospective cohort study showing that (1) most of the patients who died were male, older (mean age of the patients who died: 84.8 years vs. 77.9 years for survivors), and had more comorbidities compared with surviving patients. Previous fracture history, body mass index, femoral neck T score, hemoglobin and 25-hydroxy vitamin D levels did not differ significantly between patients who died vs. survived. (2) Differing from patients with intertrochanteric fractures, older patients with femoral neck fracture experienced no reduction in all-cause mortality with treatment with zoledronic acid.

Conclusion: In Chinese patients with femoral neck fracture, physicians should pay careful attention to male patients, older patients, and those with high numbers of comorbidities.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9615195PMC
http://dx.doi.org/10.1186/s12891-022-05880-yDOI Listing

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