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Arch Dermatol. 1998 Dec;134(12):1556-60.

Does oral zinc aid the healing of chronic leg ulcers? A systematic literature review.

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  • 1Department of Public Health, University of Oxford, England.

Abstract

OBJECTIVE:

To determine whether oral zinc sulfate is an effective treatment for promoting healing of venous or arterial leg ulcers.

DATA SOURCES:

The search strategy of the Cochrane Wounds Group was used. This includes searches of electronic databases, conference proceedings, relevant bibliographies, and hand searching of journals.

STUDY SELECTION:

Studies were included if they were randomized controlled trials of oral zinc sulfate in the treatment of chronic venous or arterial ulcers with objective measures of healing. Six of the 10 studies initially identified were included in the review.

DATA EXTRACTION:

The trial method, participants, interventions, outcomes, baseline comparability, adequate reporting of withdrawals, and blinding of assessment were extracted by 2 reviewers independently.

DATA SYNTHESIS:

No trial showed a statistically significant benefit of zinc sulfate for healing leg ulcers. There is limited evidence to suggest that zinc might increase healing in individuals with a low serum zinc level, but more evidence is needed.

CONCLUSIONS:

There is no evidence of benefit from the general use of zinc sulfate in patients with chronic leg ulcers. There is a need for further research to see if oral zinc sulfate is beneficial in the treatment of patients with leg ulcers who have a low serum zinc level. If it is demonstrated to be beneficial, further trials are required to establish dose and duration of treatment.

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PMID:
9875193
[PubMed - indexed for MEDLINE]
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