According to literature source of study performed, the monitor and sensor were used on patient during tooth extraction under general anesthesia.The sensor was attached in a routine manner after alcohol skin preparation.The patient was discharged from the hospital with no complication.Three days after surgery, she felt itching sensations and burning pain and noticed erythema on her forehead.It was identified that the patient had contact dermatitis.The patient was administered topical steroids and antihistamines.Erythema peaked on the fifth postoperative day and improved gradually thereafter.One month after surgery, patch testing for allergic reactions to the sensor was performed.After 48 hours and 72 hours, a positive reaction to the adhesive component of the sensor was observed.The reaction to the foam component was positive after 48 hours, but it tended to disappear after 72 hours.The patient also had reactions to p-tert-butylphenol-formaldehyde resin (ptbp-f-r) and lanolin using a japanese standard patch test series.Article: contact dermatitis associated with the bispectral index¿ sensor: a case report, noriko taguchi, 2020, springer.
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