Influence of nail polish on pulse oximeter readings of oxygen saturation: a systematic review
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Nail and cuticle products
Blood gas monitoring
Nail polish has traditionally been assumed to absorb light emitted by pulse oximeters and to interfere with the detection and measurement of oxygenated hemoglobin. In a systematic review of the literature we aimed to assess the influence of nail polish on the measurement of oxygen saturation by pulse oximetly (SpO(2)). A search protocol for online databases (MEDLINE, Embase, Web of Science, Scopus, Cumulative Index to Nursing and Allied Health Literature, and IBECS [the Spanish health sciences index]) was established to find clinical trials or observational studies published between 1999 and February 2014, Twelve nonrandomized clinical trials were found. Ten were in healthy volunteers. One of the remaining 2 studies was in critical patients undergoing mechanical ventilation, and the other was in patients with stable chronic obstructive pulmonary disease. One study recreated the low oxygen level of high altitudes, while the others were done in normal atmospheric conditions. Differences ...