Sex-Specific Differences in Patients With and Without Nickel Hypersensitivity Undergoing Patent Foramen Ovale Closure.

In addition, the authors would like to thank Drs Konstantinos Aznaouridis, Ioannis Kachrimanidis, Aggelos Papanikolaou, Chrysavgi Simopoulou, Andreas Synetos, Sotirios Tsalamandris, Aikaterini Tsiogka, Sophia Vaina, and Panayiotis Vlachakis for their valuable contributions to the completion of the study. Moreover, the authors would like to thank all the neurologists for their collaboration in this multidisciplinary approach. Finally, the authors would like to thank all the patients for their participation in our study.

This study has received an educational grant from Hellenic Society of Cardiology. The authors have reported that they have no relationships relevant to the contents of this paper to disclose.

This study was presented at the European Society of Cardiology Congress 2025; 29 August to 1st September; Madrid, Spain. The authors attest they are in compliance with human studies committees and animal welfare regulations of the authors’ institutions and Food and Drug Administration guidelines, including patient consent where appropriate. For more information, visit the Author Center .