Vertebral Fractures in Individuals With Type 2 Diabetes: More Than Skeletal Complications Alone.

Koromani, Fjorda; Oei, Ling; Shevroja, Enisa; Trajanoska, Katerina; Schoufour, Josje; Muka, Taulant; Franco, Oscar H; Ikram, M Arfan; Zillikens, M Carola; Uitterlinden, André G; Krestin, Gabriel P; Anastassiades, Tassos; Josse, Robert; Kaiser, Stephanie M; Goltzman, David; Lentle, Brian C; Prior, Jerilynn C; Leslie, William D; McCloskey, Eugene; Lamy, Olivier; ... (2020). Vertebral Fractures in Individuals With Type 2 Diabetes: More Than Skeletal Complications Alone. Diabetes care, 43(1), pp. 137-144. American Diabetes Association 10.2337/dc19-0925

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OBJECTIVE

We aimed to assess whether individuals with type 2 diabetes (T2D) have increased risk of vertebral fractures (VFs) and to estimate nonvertebral fracture and mortality risk among individuals with both prevalent T2D and VFs.

RESEARCH DESIGN AND METHODS

A systematic PubMed search was performed to identify studies that investigated the relationship between T2D and VFs. Cohorts providing individual-participant data (IPD) were also included. Estimates from published summary data and IPD cohorts were pooled in a random-effects meta-analysis. Multivariate Cox-regression models were used to estimate nonvertebral fracture and mortality risk among individuals with T2D and VFs.

RESULTS

Across 15 studies comprising 852,705 men and women, individuals with T2D had lower risk of prevalent (odds ratio [OR] 0.84 [95% CI 0.74-0.95]; I
2
= 0.0%; Phet = 0.54) but increased risk of incident VFs (OR 1.35 [95% CI 1.27-1.44]; I
2
= 0.6%; Phet = 0.43). In the IPD cohorts (N = 19,820), risk of nonvertebral fractures was higher in those with both T2D and VFs compared with those without T2D or VFs (hazard ratio [HR] 2.42 [95% CI 1.86-3.15]), with VFs (HR 1.73 [95% CI 1.32-2.27]), or T2D (HR 1.94 [95% CI 1.46-2.59]) alone. Individuals with both T2D and VFs had increased mortality compared with individuals without T2D and VFs (HR 2.11 [95% CI 1.72-2.59]) or with VFs alone (HR 1.84 [95% CI 1.49-2.28]) and borderline increased compared with individuals with T2D alone (HR 1.23 [95% CI 0.99-1.52]).

CONCLUSIONS

Based on our findings, individuals with T2D should be systematically assessed for presence of VFs, and, as in individuals without T2D, their presence constitutes an indication to start osteoporosis treatment for the prevention of future fractures.

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