ReviewArquivos de neuro-psiquiatria2026
The skin-wrinkling test: principles and clinical applications.
Review in Arquivos de neuro-psiquiatria, 2026. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Abstract: Cutaneous wrinkling is a normal phenomenon that occurs on the palms in a reversible manner and results from vasoconstriction influenced by vasomotor function. It can be assessed through the skin-wrinkling test following water immersion, with the absence or reduction of wrinkling being associated with disorders affecting the dense network of sympathetic nerves in these regions. The literature suggests that this test may serve as a screening tool for small-fiber neuropathy, particularly in settings in which biopsy is not available. It is a rapid, inexpensive, and easily-accessible test. We herein review the principles of the skin-wrinkling test, its pathophysiology, and its clinical indications as a tool to evaluate the sympathetic component of the autonomic nervous system.
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