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J Foot Ankle Surg. 2018 Mar - Apr;57(2):289-295. doi: 10.1053/j.jfas.2017.10.006. Epub 2018 Jan 10.

Risk Factors and Frequency of Ingrown Nails in Adult Diabetic Patients.

Author information

1
Medical Doctor, Department of Dermatology and Venereology, Faculty of Medicine, Ankara University, Ankara, Turkey. Electronic address: secilsaral@gmail.com.
2
Professor, Department of Dermatology and Venereology, Faculty of Medicine, Ankara University, Ankara, Turkey.
3
Professor, Department of Public Health, Faculty of Medicine, Ankara University, Ankara, Turkey.
4
Professor, Department of Endocrinology and Metabolism, Faculty of Medicine, Ankara University, Ankara, Turkey.
5
Professor, Department of Neurology, Faculty of Medicine, Ankara University, Ankara, Turkey.

Abstract

The present study evaluated the properties of nails, frequency of ingrown nails in patients with type 2 diabetes mellitus (DM), risk factors for developing ingrown nails, and effect of diabetic polyneuropathy and vasculopathy on the development and outcome of ingrown nails. Our 6-month epidemiologic prospective study included 300 patients with type 2 DM attending a DM outpatient clinic for routine examinations. The general characteristics and foot changes of the study population were investigated. Diabetic polyneuropathy and vasculopathy were evaluated using a biothesiometer, monofilament tests, and arterial Doppler ultrasonography. The frequency of ingrown nails was 13.6%. Multivariate analysis with logistic regression showed that body mass index (odds ratio [OR] 1.077, 95% confidence interval [CI] 1.007 to 1.15; p = .03), previous trauma (OR 2.828, 95% CI 1.017 to 7,867, p = .042), a weak dorsalis pedis pulse (OR 2.72, 95% CI 1.17 to 6.30, p = .02), trimming type (OR 2.3, 95 CI 1.06 to 4.98), p = .35), onychogryphosis (OR 9.036, 95% CI 2.34 to 34.87, p = .001), and subungual hyperkeratosis (OR 4.3, 95% CI 1.99 to 9.3, p = .001) were predictive variables for ingrown nails in our population. The incidence of onychomycosis was significantly greater in patients with ingrown nails (p = .032) than in patients without ingrown nails. The nail curvature ratio was greater in the patients with ingrown nails than in the group with normal nails. Arterial Doppler ultrasound examinations showed peripheral arterial disease in 19 patients (46.9%) with ingrown nails. The prevalence of ingrown nails was greater in the patients with DM than in the healthy population. Our results indicate that nail type, nail morphology, and diabetic vasculopathy affect the formation and evolution of ingrown nails.

KEYWORDS:

diabetes mellitus; ingrown nails; monofilament; neuropathy; onychocryptosis; onychogryphosis; onychomycosis; vasculopathy

PMID:
29329712
DOI:
10.1053/j.jfas.2017.10.006
[Indexed for MEDLINE]

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