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. 2022 Dec;21(4):719-728.
doi: 10.1007/s42000-022-00408-4. Epub 2022 Oct 25.

Serum growth differentiation factor-15 levels are associated with the severity of diabetic foot ulcer

Suleyman Nahit Sendur  1 , Busra Firlatan  2 , Gokhan Baykal  2 , Incilay Lay  3 , Tomris Erbas  4
Affiliations

Serum growth differentiation factor-15 levels are associated with the severity of diabetic foot ulcer

Suleyman Nahit Sendur et al. Hormones (Athens). 2022 Dec.

Abstract

Aims: To assess serum growth differentiation factor-15 (GDF-15) levels in patients with diabetic foot ulcer and to reveal whether any association exists between GDF-15 and the severity of diabetic foot ulcer.

Design: A cross-sectional study including three age- and sex-matched cohorts comprising 17 patients (7 F, mean age: 52 ± 7 years) with diabetic foot ulcer (DMf), 17 patients with type 2 diabetes (6 F, mean age: 51 ± 6 years) with no foot complication (DM), and 20 healthy controls (8 F, mean age: 50 ± 8 years) (C) was conducted.

Results: DMf had higher GDF-15 levels, followed by DM and C (GDF-15, median ± IQR (pg/mL), DMf: 1039 (884-1566), DM: 649 (375-1148), and C: 296 (212-534), p < 0.001). The severity of diabetic foot disease was positively associated with serum GDF-15 (GDF-15, median ± IQR (pg/mL), Wagner grade 1: 893 (698-1039), Wagner grade 3: 1705 (1348-2197), and Wagner grade 4: 3075 (1974-4176), p for trend = 0.006). In multivariate regression model, only Wagner grade (β = 0.55, 95% CI (87-753), p = 0.02) was found to be an independent factor affecting serum GDF-15 concentration.

Conclusions: Serum GDF-15 levels are high in patients with diabetic foot ulcer. The level is higher in more advanced lesions. GDF-15 measurement can have clinical utility in the management of diabetic foot ulcers.

Keywords: Complication; Diabetic foot; GDF-15; Type 2 diabetes mellitus; Wagner grade.

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