Toenail abnormalities in chronic venous insufficiency

NewsBot · May 8, 2008

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Toenail abnormalities and onychomycosis in chronic venous insufficiency of the legs: should we treat?
Shemer A, Nathansohn N, Kaplan B, Trau H.
J Eur Acad Dermatol Venereol. 2008 Mar;22(3):279-82

BACKGROUND: Toenail manifestations of chronic venous insufficiency (CVI) may often mimic the nail changes of onychomycosis. The current study aims to determine the frequency of toenails deformations in patients with CVI, onychomycosis prevalence among deformed toenails and the outcome of itraconazole treatment.

METHODS: Patients with clinical evidence of (CVI) were enrolled. All patients with toenails deformations and proven onychomycosis were treated by itraconazole pulse therapy for 4 months and then followed-up for additional 5 to 6 months.

RESULTS: Forty-four patients with CVI entered the study. Thirty-seven patients (84%) had nail deformations; 28 of 37 patients (75%) had onychomycosis; and 24 patients completed the follow-up period. Total cure was achieved in 6 of 24 patients (25%), and 14 patients (58%) had no improvement. Patients' age and CVI duration were significantly correlated to onychomycosis cure rate.

CONCLUSIONS: Nail deformations are more prevalent in CVI patients (84%) then in the general elderly population, and 75% of affected nails had also onychomycosis. In these patients, itraconazole achieved only 25% total cure rate compared with the 60% to 70% cure rate commonly cited in the literature, probably due to irreversible nail deformity caused by the CVI and due to the thickened nail that prevented penetrance of itraconazole into the nail plate. Therefore, before antifungal treatment is started for onychomycosis in patients with CVI, especially in older patients, the caregiver must stress out that the final outcome might not be as desirable as in pure onychomycosis patients.
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Admin2 · May 9, 2008

Related threads:
Threads tagged with onlychomycosis
Threads tagged with venous disorders

NewsBot · Apr 23, 2014

Frequency of peripheral arterial disease and venous insufficiency in toenail onychomycosis.
Ozkan F, Ozturk P, Ozyurt K, İncı MF, Kalender AM, Bakan B, Yuksel M.
J Dermatol. 2013 Feb;40(2):107-10

Onychomycosis in toenails is a common fungal infection and vascular abnormalities of lower extremities have been thought as one of the predisposing conditions. The aim of this study was to evaluate predisposition effect of venous insufficiency and peripheral arterial disease on toenail onychomycosis. Thirty-three patients with bilateral onychomycosis in toenails and 37 control subjects, who had healthy nails, were enrolled in the study. Veins and arteries of lower extremities were examined with Doppler ultrasound in terms of venous insufficiency or peripheral arterial disease. Patients with onychomycosis presented more frequent venous insufficiency than the control group (42.4% and 10.8%, respectively; P = 0.003). Although all patients had bilateral onychomycosis, reflux was bilateral in six out of 14 patients with onychomycosis (42.8%). No significant difference in frequency of peripheral arterial disease was found in patients, compared to healthy controls. Our study demonstrated a significant relationship between onychomycosis and venous insufficiency, but not with peripheral arterial disease. Also, we point out discordance with bilateral onychomycosis and unilateral venous insufficiency.
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