ArticleCureus2024
Evaluating the Efficacy of Topical Phenytoin in the Healing of Neuropathic Diabetic Foot Ulcers: A Comparative Study.
Article in Cureus, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThis study aims to observe the outcomes of topical phenytoin treatment in healing neuropathic diabetic foot ulcers with mild infection and compare these outcomes with those obtained from conventional dressing methods.
methodsA retrospective observational study was conducted by reviewing the medical records of patients with neuropathic diabetic foot ulcers treated at a tertiary care center from 2015 to 2020. Two groups were identified: (1) patients treated with topical phenytoin (for ulcers measuring less than 5 cm, a dosage of 100 mg was used; for ulcers measuring between 5 cm and 9 cm, a dosage of 150 mg was used; for ulcers measuring between 10 cm and 15 cm, a dosage of 200 mg was used; and for ulcers measuring greater than 15 cm, a dosage of 300 mg was used. The tablets were crushed and dispersed before administration) and (2) those were treated with conventional dressings (the conventional method includes wound wash with 0.9 normal saline and betadine solution with application of sterile gauze dressing). Data on wound healing rate, time to achieve complete healing, and recurrence rates were collected.
resultsThe study included 120 patients, with 60 receiving topical phenytoin and 60 receiving conventional dressings. Preliminary findings indicated that the topical phenytoin group experienced a 27 (45%) reduction in ulcer size by week four, compared to a 15 (25%) reduction in the conventional group. The median time to complete healing was significantly shorter in the phenytoin group (eight weeks) compared to the conventional dressing group (12 weeks; p < 0.05). Additionally, granulation tissue appeared earlier in the phenytoin group, with an average onset of 10 days, compared to 18 days in the conventional group (p < 0.01). The incidence of ulcer recurrence was lower in the phenytoin group (6, 10%) compared to the conventional group (18, 30%; p < 0.05).
conclusionsTopical phenytoin demonstrated a promising enhancement in the healing of mildly infected neuropathic diabetic foot ulcers compared to conventional dressings. Further studies are recommended to substantiate these findings and explore the mechanisms underlying the observed benefits.
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