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1.
Contact Dermatitis ; 90(5): 486-494, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38348533

RESUMEN

BACKGROUND: Current frequency and features for positivity to textile dye mix (TDM) in Spain are unknown. OBJECTIVES: To study the frequency, clinical features and simultaneous positivity between TDM, para-phenylenediamine (PPD) and specific disperse dyes. MATERIALS AND METHODS: We analysed all consecutive patients patch-tested with TDM from the Spanish Contact Dermatitis Registry (REIDAC), from 1 January 2019 to 31 December 2022. Within this group, we studied all selected patients patch-tested with a textile dye series. RESULTS: Out of 6128 patients analysed, 3.3% were positive to the TDM and in 34% of them, the sensitization was considered currently relevant. TDM positivity was associated with working as a hairdresser/beautician and scalp, neck/trunk and arm/forearm dermatitis. From TDM-positive patients, 57% were positive to PPD. One hundred and sixty-four patients were patch-tested with the textile dye series. Disperse Orange 3 was the most frequent positive dye (16%). One of every six cases positive to any dye from the textile dye series would have been missed if patch-tested with the TDM alone. CONCLUSIONS: Positivity to TDM is common in Spain and often associated with PPD sensitization. TDM is a valuable marker of disperse dyes allergy that should be part of the Spanish and European standard series.


Asunto(s)
Dermatitis Alérgica por Contacto , Humanos , Dermatitis Alérgica por Contacto/epidemiología , Dermatitis Alérgica por Contacto/etiología , España/epidemiología , Textiles/efectos adversos , Pruebas del Parche , Colorantes/efectos adversos
2.
Contact Dermatitis ; 88(3): 212-219, 2023 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-36403138

RESUMEN

BACKGROUND: Current frequency and risk factors for sensitization to methylisothiazolinone (MI), methylchloroisothiazolinone/methylisothiazolinone (MCI/MI), benzisothiazolinone (BIT) and octylisothiazolinone (OIT) in Spain are not well known. OBJECTIVES: To study the frequency of sensitization, risk factors and simultaneous sensitization between the four isothiazolinones. MATERIALS AND METHODS: We analysed all 2019-2021 consecutive patients patch-tested with MI (0.2% aq.), MCI/MI (0.02% aq.), BIT (0.1% pet.) and OIT (0.1% pet) within the Spanish Contact Dermatitis Registry (REIDAC). RESULTS: A total of 2511 patients were analysed. Frequencies of sensitization were: any isothiazolinone 15.7%, MI 6.8%, MCI/MI 4.8%, BIT 3.5% and OIT 0.5%. MI and MCI/MI sensitization was associated with being occupationally active, hand dermatitis, detergents and age over 40. BIT sensitization was associated with leg dermatitis and age over 40. About one in nine MI-positive patients were positive to BIT, whereas one in five BIT-positive patients were positive to MI. CONCLUSIONS: Sensitization to MI, MCI/MI and BIT is still common in Spain, while sensitization to OIT is rare. Currently, sensitization to MI and MCI/MI seems to be occupationally related. Although its origin is unknown, sensitization to BIT is more frequent in patients aged over 40 years. Simultaneous sensitization between MI and BIT is uncommon.


Asunto(s)
Dermatitis Alérgica por Contacto , Humanos , Adulto , Persona de Mediana Edad , Dermatitis Alérgica por Contacto/epidemiología , Dermatitis Alérgica por Contacto/etiología , Conservadores Farmacéuticos/efectos adversos , Sistema de Registros , Pruebas del Parche/efectos adversos
3.
J Dtsch Dermatol Ges ; 19(5): 707-717, 2021 05.
Artículo en Inglés | MEDLINE | ID: mdl-33617112

RESUMEN

BACKGROUND AND OBJECTIVES: Information about hospital admissions for skin diseases is restricted to studies describing admissions to single centers, to specific wards, or only for a few diagnoses, and there is no information about the outcomes between different wards. The aim of this research is to describe hospital admissions due to dermatological diseases. PATIENTS AND METHODS: Cross-sectional study of hospital discharges at Spanish hospitals. Discharges were assumed to be the same as admissions. RESULTS: 519,440 discharges (1.1 % of total discharges) were identified. Most admissions (60.1 %) were done from emergency departments. Only 7 % of cases were admitted to dermatology wards. The most prevalent group was cellulitis and acute lymphangitis. Median age was 57 years, and men were more common. The median length of hospital stay was four days; 40,823 (7.9 %) cases required readmission. There were 13,558 (2.6 %) hospital deaths. After adjusted analysis (by age, sex and group of diagnosis), the OR of readmission was 1.49 (95 % CI: 1.42-1.57) times higher and length of stay was 0.22 (95 % CI: 0.15-0.29) days longer in non-dermatology wards (P < 0.0001). From 2006-2016, admissions to dermatology wards decreased 38 %, while in non-dermatology wards they increased 8 %. CONCLUSIONS: A non-negligible number of patients require dermatological inpatient management. This is mainly provided by non-dermatologists. Some of our findings may indicate an improved overall care by dermatologists.


Asunto(s)
Dermatología , Pacientes Internos , Estudios Transversales , Humanos , Tiempo de Internación , Masculino , Persona de Mediana Edad , España/epidemiología
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