Percutaneous PFO closure has been established as a first-line therapy for preventing recurrent strokes in selected patients. The devices used for the specific purpose contain and release nickel, which is considered as the most allergen metal in nature. Skin patch tests are considered as gold-standard for documenting nickel allergy. While the allergic contact dermatitis induced by nickel is well described, literature is inadequate on explaining the effect of nickel release on the clinical manifestations of patients implanted with such devices. Our prospective, randomized, blinded trial will try to investigate the above by performing nickel skin patch tests to all patients, 14 days before and 90 days after the implantation. During follow-up, clinical manifestations and transthoracic echocardiographic findings will be evaluated and associated with patch skin tests.
Age range
14 Years
Sex
ALL
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Device syndrome, a composite endpoint consisting of patient-reported new-onset chest pain, palpitations, new-onset or worsening migraines, dyspnea, and rash
Timeframe: The first 90 days after the procedure