Komorbidität bei Pemphigus: eine Fall-Kontroll-Studie.

Area of Science:

• Dermatology
• Autoimmune Diseases
• Oncology

Background:

• Pemphigus is associated with various physical and psychological comorbidities.
• Understanding these comorbidities is crucial for comprehensive patient management.

Purpose of the Study:

• To investigate the associations between pemphigus and comorbidities.
• To analyze comorbidity patterns based on demographics, disease severity, and diagnostic delay.

Main Methods:

• A case-control study involving 163 pemphigus patients and 8 age/sex-matched controls per patient.
• Univariate and multivariate conditional regression models were used to identify associated comorbidities.
• Sensitivity analyses were performed, excluding patients with paraneoplastic pemphigus.

Main Results:

• Key comorbidities at diagnosis included cardiovascular diseases, hyperlipidemia, autoimmune thyroid diseases, autoimmune/inflammatory dermatoses, and cancer.
• Multivariate analysis revealed independent associations between pemphigus and cancer, and autoimmune/inflammatory dermatoses.
• These associations remained significant even after excluding patients with paraneoplastic pemphigus.

Conclusions:

• Cancer and autoimmune/inflammatory dermatoses may act as potential triggers for pemphigus.
• These conditions should be considered as early warning signs for pemphigus development.