BACKGROUND: Factors favoring the emergence of eczema herpeticum (EH) in patients with atopic dermatitis (AD) remain elusive. The aim of this work was to identify changes in clinical and laboratory parameters in acute EH patients, before and after 6 weeks of treatment, as well as differences between AD patients with and without a history of EH. METHODS: A total of 235 adult subjects were included and subdivided into six groups: (i) AD patients with acute EH, (ii) AD patients with history of EH, (iii) AD without EH but with recurrent herpes simplex virus (HSV) infections, (iv) AD without EH or recurrent HSV infections and healthy non-AD controls (v) with and (vi) without recurrent HSV infections. Clinical examination of AD, assessment of atopic status and severity were performed. Total IgE, allergen-specific IgE and differential blood count were analyzed. Clinical diagnosis of acute EH was confirmed by PCR. RESULTS: More male patients with AD were affected by EH than female patients. Acute episodes of EH are characterized by lower levels of lymphocytes and higher levels of monocytes. AD patients with history of EH display higher total IgE serum levels (ADEH(+) HSV(+) vs ADEH(-) HSV(+) , P < 0.001) and higher sensitization profiles and stronger severity of AD (EASI and SCORAD; ADEH(+) HSV(+) vs ADEH(-) HSV(+) , P < 0.001). Concomitant asthma and rhinitis were identified as correlates of EH. CONCLUSION: From these data, we conclude that AD patients with EH display a distinct clinical and biological phenotype.
BACKGROUND: Factors favoring the emergence of eczema herpeticum (EH) in patients with atopic dermatitis (AD) remain elusive. The aim of this work was to identify changes in clinical and laboratory parameters in acute EH patients, before and after 6 weeks of treatment, as well as differences between ADpatients with and without a history of EH. METHODS: A total of 235 adult subjects were included and subdivided into six groups: (i) ADpatients with acute EH, (ii) ADpatients with history of EH, (iii) AD without EH but with recurrent herpes simplex virus (HSV) infections, (iv) AD without EH or recurrent HSV infections and healthy non-AD controls (v) with and (vi) without recurrent HSV infections. Clinical examination of AD, assessment of atopic status and severity were performed. Total IgE, allergen-specific IgE and differential blood count were analyzed. Clinical diagnosis of acute EH was confirmed by PCR. RESULTS: More male patients with AD were affected by EH than female patients. Acute episodes of EH are characterized by lower levels of lymphocytes and higher levels of monocytes. ADpatients with history of EH display higher total IgE serum levels (ADEH(+) HSV(+) vs ADEH(-) HSV(+) , P < 0.001) and higher sensitization profiles and stronger severity of AD (EASI and SCORAD; ADEH(+) HSV(+) vs ADEH(-) HSV(+) , P < 0.001). Concomitant asthma and rhinitis were identified as correlates of EH. CONCLUSION: From these data, we conclude that ADpatients with EH display a distinct clinical and biological phenotype.
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Authors: A L Bosma; A Ascott; R Iskandar; K Farquhar; J Matthewman; M W Langendam; A Mulick; K Abuabara; H C Williams; P I Spuls; S M Langan; M A Middelkamp-Hup Journal: J Eur Acad Dermatol Venereol Date: 2022-02-25 Impact factor: 9.228