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1.
Chinese Journal of Dermatology ; (12): 1110-1113, 2021.
Article in Chinese | WPRIM | ID: wpr-933494

ABSTRACT

At present, the pathogenesis of chronic inducible urticaria (CIndU) is not completely clear, and it is often difficult to achieve satisfactory symptom control only by avoiding triggers. In recent years, some progress has been made in the treatment of CIndU in China and other countries, such as traditional antihistamines, non-antihistamines, biological agents, small-molecule targeted drugs and other drug treatments, as well as physical therapies such as trigger-point desensitization therapy. This review comprehensively and systematically outlines and summarizes relevant progress.

2.
Arq. Asma, Alerg. Imunol ; 4(3): 305-316, jul.set.2020. ilus
Article in Portuguese | LILACS | ID: biblio-1382000

ABSTRACT

A urticária é uma doença comum, determinada pela ativação de mastócitos que se apresenta por urticas, angioedema, ou ambos. Convencionou-se classificar a urticária, quanto a sua duração, em duas formas: aguda (UA) e crônica (UC). A urticária é definida como crônica quando persiste por 6 semanas ou mais. A urticária crônica compreende urticária crônica espontânea (UCE) e urticárias crônicas induzidas (UCInd), que incluem as urticárias físicas e não físicas. Estudos sugerem que a presença de UCInd associada a UCE está ligada a um pior prognóstico e duração da doença. Essa revisão tem por objetivo atualizar as informações disponíveis sobre a prevalência, quadros clínicos, métodos diagnósticos e tratamentos das UCInd por estímulos físicos ou não.


Urticaria is a common disease determined by the activation of mast cells that presents with urticaria, angioedema, or both. According to its duration, urticaria is classified into two forms: acute (AU) and chronic (CU). Urticaria is defined as CU when it persists for 6 weeks or more. CU consists of chronic spontaneous urticaria (CSU) and chronic inducible urticaria (CIndU), which includes physical and nonphysical urticarias. Studies suggest that the presence of both CIndU and CSU is linked to worse prognosis and longer duration of these diseases. This review aims to update available information on the prevalence, clinical manifestations, diagnostic methods, and treatments of CIndU by physical or nonphysical stimuli.


Subject(s)
Humans , Chronic Urticaria , Prognosis , Therapeutics , Urticaria , Skin Tests , Prevalence , Angioedema , Mast Cells , Methods
3.
Arq. Asma, Alerg. Imunol ; 4(2): 225-228, abr.jun.2020. ilus
Article in Portuguese | LILACS | ID: biblio-1381933

ABSTRACT

Angioedema vibratório é uma forma rara de urticária induzida, que pode ser de caráter familiar ou adquirido. Este artigo descreve um caso clínico de uma mulher, com 33 anos de idade, fisioterapeuta, que iniciou sinais de edema e dor local após atividades de lazer ainda na adolescência e se intensificou posteriormente durante atividades profissionais. Aspectos fisiopatológicos foram discutidos, assim como avaliação laboratorial e testes de provocação. Objetivamos com este relato, ressaltar uma patologia incomum, mas que pode ter grande impacto na qualidade de vida do paciente, necessitando assim de um olhar minucioso do médico na prática clínica. Entendemos que neste caso o angioedema vibratório é efetivamente uma doença ocupacional. Constatamos que de modo geral para urticárias crônicas induzidas e no particular para angioedema vibratório, a história clínica minuciosa é a melhor forma de se obter o diagnóstico.


Vibratory angioedema is a rare form of induced urticaria, which can have a family or acquired etiology. This article describes a clinical case of a 33-year-old, female physiotherapist presenting with signs of edema and local pain after leisure activities that started in her adolescence and intensified during professional activities. Pathophysiological aspects were discussed, as well as laboratory evaluation and provocation tests. With this report, we aim to discuss an unusual disease that can have a major impact on patient's quality of life, thus requiring a detailed look at the physician's clinical practice. We understand that, in the reported case, vibratory angioedema is effectively an occupational disease. We found that in general for chronic induced urticaria and in particular for vibratory angioedema, a thorough clinical history is the best way to obtain the diagnosis.


Subject(s)
Humans , Female , Adult , Angioedema , Patients , Quality of Life , Signs and Symptoms , Urticaria , Diagnosis , Leisure Activities , Occupational Diseases
4.
Medisan ; 23(3)mayo.-jun. 2019. graf
Article in Spanish | LILACS, CUMED | ID: biblio-1091101

ABSTRACT

Se presenta el caso clínico de un paciente blanco de 17 años de edad, campesino, con antecedente de rinitis alérgica desde hacía aproximadamente 4 años, quien acudió a la consulta de Alergología del Hospital Provincial Eduardo Agramonte Piña de Camagüey, por presentar un cuadro urticariforme exacerbado en el tiempo que, a pesar de la dieta y de las medidas generales, se mantenía. Se realizó una prueba de provocación específica que resultó positiva; por tanto, se diagnosticó una urticaria crónica inducible de tipo físico, específicamente por frío. Se le indicó tratamiento con ketotifeno y a los 6 meses se repitió la prueba que mostró un resultado favorable.


The case report of a 17 years peasant white patient, is presented with a history of allergic rhinitis for approximately 4 years, who visited the Alergology Service of Eduardo Agramonte Piña Provincial Hospital in Camagüey, to present a sustained urticariform pattern exacerbated with time in spite of the diet and general measures. An specific provocation test which was positive was carried out; therefore, an inducible chronic urticaria of physical type was diagnosed, caused specifically by cold. Treatment with ketotifen was indicated and 6 months later the test was repeated, showing a favorable result.


Subject(s)
Urticaria , Cryopyrin-Associated Periodic Syndromes , Hypersensitivity
5.
Allergy, Asthma & Immunology Research ; : 538-547, 2019.
Article in English | WPRIM | ID: wpr-762140

ABSTRACT

PURPOSE: To review the clinical features and natural courses of cold urticaria (ColdU) in a tropical country. METHODS: A retrospective chart review was performed of patients who visited Siriraj Urticaria Clinic, Siriraj Hospital, Bangkok, Thailand, and were diagnosed with ColdU between 2007 and 2018. Data on provocation and threshold tests, clinical courses, and laboratory work-up were analyzed and compared with data reported by studies in temperate countries. RESULTS: Of 1,063 chronic urticaria patients, 27 (2.5%) were diagnosed with ColdU, with a mean age of symptom onset of 34.8 years. Half of the patients had a history of atopy, and 1 (3.7%) had a history of anaphylaxis. All patients were positive to 1 of 3 provocation tests: an ice cube test; TempTest 4.0; or a tray filled with ice, salt and water. Thirteen patients underwent the ice cube test, and all had positive results. TempTest was performed on 15 patients, 8 of whom had positive results, with a mean critical temperature threshold (CTT) of 21.0°C. All of the 7 patients who had a negative TempTest result later produced positive results to the immersion of their hand and forearm in a tray filled with ice, salt, and water. All patients were treated with H1-antihistamines, the vast majority (96.3%) being non-sedating H1-antihistamines. Some (14.8%) needed to be administered oral corticosteroids, ciclosporin, or omalizumab. Six patients (22.2%) were in remission. A Kaplan-Meier survival curve demonstrated 5-year and 10-year remission rates of 13.8% and 42.6%, respectively. CONCLUSIONS: The rate of anaphylaxis in patients with ColdU in a tropical country was lower than those reported by other studies conducted intemperate climates. On the other hand, the number of female patients, mean age at symptom onset, atopy rate, rate of concomitant chronic spontaneous urticaria and mean CTT were higher.


Subject(s)
Female , Humans , Adrenal Cortex Hormones , Anaphylaxis , Climate , Cyclosporine , Forearm , Hand , Ice , Immersion , Omalizumab , Retrospective Studies , Thailand , Tropical Climate , Urticaria , Water
6.
Article in English | IMSEAR | ID: sea-177180

ABSTRACT

Acquired cold urticaria (ACU) is a subtype of physical urticaria which may be primary (idiopathic) or secondary to underlying infections or cryoproteins. In addition to complete history and thorough physical examination, the diagnosis is dependent on a positive cold stimulation time test (CSTT) which is the minimum time of cold contact stimulation required to induce an immediate coalescent wheal. Although idiopathic type is seen in 96% of the cases, it is important to rule out cryoprotein by an intricate yet simple test for cryoprecipitate. The identification of cold exposure as the likely trigger for urticaria is vital because systemic anaphylactic reactions are common in patients with cold urticaria, occurring in roughly 1 in 3 patients. In addition to preventive counseling and avoidance of critical cold exposure, H1-receptor antagonists form the first line of treatment. However resistant cases may require cyclosporine, danazol or omalizumab. No individual case reports of ACU appear in Indian literature. Therefore, the authors attempt to highlight the diagnostic work-up and therapeutic options for this not so uncommon cause of chronic urticaria.

7.
Rev. bras. alergia imunopatol ; 32(3): 102-105, maio- jun. 2009. tab
Article in Portuguese | LILACS | ID: lil-535163

ABSTRACT

Objetivo: A associação entre urticária crônica e autoimunidade tem sido bem documentada. São encontrados autoanticorpos séricos contra receptores de IgE ou contra IgE aderidos a basófilos e mastócitos cutâneos. O teste do soro autólogo é recomendado nas urticárias idiopáticas, para detecção de tais anticorpos, apresentando cerca de 40% de positividade. A urticária crônica pode ter múltiplos fatores etiológicos. É provável que a autoimunidade atue concomitantemente a estímulos físicos e outras causas, diminuindo o limiar de degranulação de mastócitos. Isso poderia ocasionar doença de maior gravidade. Realizamos um estudo com o objetivo de verificar a frequência de positividade no teste do soro autólogo em um grupo de pacientes com urticária crônica. Métodos: Estudo retrospectivo a partir da avaliação de prontuários de pacientes com urticária crônica, submetidos ao teste do soro autólogo, durante o período de 37 meses (junho de 2003 a junho de 2006). Resultados: Foram avaliados 175 pacientes com urticária crônica. A frequência de positividade foi de 62,4% (111 pacientes), sendo 83 do sexo feminino e 28 do sexo masculino. Entre os pacientes com urticária idiopática, 50/72 (69,5%) apresentaram resultado positivo; entre as urticárias físicas (dermografismo, pressão tardia, calor, frio, colinérgica), 61/103 (59,3%) apresentaram positividade ao teste do soro autólogo. Conclusão: A frequência de positividade ao teste do soro autólogo foi elevada, tanto entre os pacientes com urticária crônica idiopática, sugerindo uma etiologia autoimune, quanto entre aqueles com a etiologia definida, tais como nas urticárias físicas.


Objective: The association between chronic urticaria and autoimmunity has been widelly documented. Auto-antibodies have been found against IgE receptors or against IgE attached to basophils and skin mast cells. The autologous serum skin testing has been recommended in idiopathic urticaria for detection of those antibodies, with approximately 40% positive results. Chronic urticaria may have multiple etiologic factors. Autoimmunity is probably a concurrent factor to physical stimuli, among others causes, in triggering the disease by decreasing the degranulation threshold of mast cells, which could lead to more severe disease. In order to investigate the frequency of positivity in the autologous serum skin testing a trial was carried out in a group of outpatients with chronic urticaria. Methods: Retrospective study based on medicai records assessment of outpatients with chronic urticaria who underwent autologous serum skin testing in a 37-month trial span (June 2003 to June 2006). Results: 175 outpatients with chronic urticaria were evaluated, with 62,4% (111 patients - 83 female and 28 male) positive to the autologous serum sking testing. Among patients with idiopathic urticaria, 50/72 (69.5%) showed positive results; among physical urticarias (dermographism, delayed pressure, heat, cold, cholinergic), 61/103 (59.3%) were positive to the autologous serum skin testing. Conclusion: Positive rates to the autologous serum skin testing were high, among patients with chronic idiopathic urticaria, suggesting an autoimmune etiology, as those with well defined etiology, such as physical urticarias.


Subject(s)
Humans , Male , Female , Adult , Autoantibodies , Hypersensitivity, Immediate , Immune Sera , Urticaria , Methods , Patients , Diagnostic Techniques and Procedures
8.
Rev. bras. alergia imunopatol ; 31(6): 220-226, nov.-dez. 2008. tab
Article in Portuguese | LILACS | ID: lil-506824

ABSTRACT

Objetivo: Revisar a literatura sobre urticária física (UF) incluindo a nova classificação, diagnóstico e opções terapêuticas. Fontes de dados: artigos originais, revisões e consensos indexados nos bancos de dados MEDLINE e LILACS de 2002 a 2007 e livros. Palavras de busca: urticária física, urticária ao frio, dermografismo, urticária ao calor, angioedema vibratório, urticária solar, urticária de pressão, urticária colinérgica, urticária aquagênica e anafilaxia induzida por exercício. Resultados: Nas últimas décadas um aumento na compreensão dos mecanismos envolvidos na urticária tem realçado a heterogeneidade de seus diferentes subtipos. De acôrdo com o novo guia da Academia Européia de Alergologia e Imunologia Clínica os subtipos de urticária podem ser agrupados em: urticárias espontâneas, urticárias físicas e outras urticárias. As urticárias físicas (UF) são responsáveis por cerca de 20 per cent a 30 per cent de todos os casos de urticária crônica. A UF envolve patogênese, curso clínico e terapêutico complexos. A parte mais importante da avaliação diagnóstica consiste na obtenção de extensa e detalhada história clínica e exame físico. Testes de provocação são empregados para confirmar o diagnóstico. A UF quando se manifesta isoladamente, tende a responder bem a anti-histamínicos H1, a exceção da urticária de pressão tardia. Comentários: As UFs constituem um subgrupo singular de urticária em que os pacientes desenvolvem lesões secundárias a estímulos físicos. Desencadeantes comuns incluem: exercício, frio, calor, pressão, luz solar e vibração. Sintomas sistêmicos podem ocorrer durante episódios graves. As UFs têm um profundo impacto sobre qualidade de vida e performance, assim, um conhecimento básico dessas doenças raras é importante para todos os que cuidam da saúde.


Objective: To review the literature on physical urticaria including the new classification, diagnosis and therapeutic options. Sources of data: books, original articles, reviews and consensus indexed on MEDLINE and LILACS databases from 2002 to 2007. Kew words researched: physical urticaria, cold urticaria, dermatographism, heat urticaria vibratory angioedema, solar urticaria, pressure urticaria, cholinergic urticaria, aquagenic urticaria and exercise-induced anaphylaxis Results: In the last few decades an increasing understanding of the mechanisms involved in urticaria has highlighted the heterogeneity of its different subtypes. According to the new European Academy of Allergology and Clinical Immunology guidelines, urticaria subtypes can be grouped into spontaneous urticaria, physical urticaria, and other urticaria disorders. Physical urticarias (PU) are responsible for approximately 20 per cent to 30 per cent of all cases of chronic urticaria. PU involves complex pathogenesis, clinical course and therapy. The most important part of the diagnostic evaluation is a comprehensive and detailed history and physical examination. Physical challenge tests are used to confirm the diagnosis. PU, when manifesting isolated, tends to respond well to H 1 antihistamines, with the exception of delayed pressure urticaria. Comments: PU are a unique subgroup of chronic urticaria in which patients develop lesions secondary to physical stimuli. Common triggers include: exercise, cold, heat, pressure, sunlight, and vibration. Systemic symptoms have occurred during severe episodes. PU has a profound impact on quality of Iife and performance. 50, a basic knowledge of these unusual disorders is important for all healthcare providers. .


Subject(s)
Humans , Anaphylaxis , Angioedema , Hypersensitivity, Immediate , Urticaria , Methods , Skin Tests , Diagnostic Techniques and Procedures
9.
Rev. bras. alergia imunopatol ; 31(6): 227-229, nov.-dez. 2008. tab
Article in English | LILACS | ID: lil-506825

ABSTRACT

Objective: To present and discuss the current c1assification of exercise-induced anaphylaxis based on clinical data and on related immunological and pathophysiological mechanisms. To describe clinical symptoms, triggers and co-triggers, different diagnostic tools, and also to discuss the different therapeutic approaches and the potential benefit of scaled physical desensitization. Methods: The literature search was carried out using Medline (PubMed). Meta-analysis, case reports and reviews were evaluated. A description of the several modalities of physical allergies related to exercises was made. Tables with differential diagnosis are presented. Results: Physical allergies are related to mast cell dysfunction with lowered threshold for the release of cytoplasmatic vasoactive anaphylactic mediators, especially histamine, triggered by external physical factors including exercises. Conclusions: Exercise-induced anaphylaxis may be food dependent and independent and also IgE dependent and independent. Drug dependent exercise-induced anaphylaxis is also another form of presentation of this important physical allergy. Treatment includes, after obtaining a precise and detailed diagnosis. It includes also the establishment of an operational plan for anaphylaxis, self-administration of epinephrin, the presence of a companion with training in assistance during all exercises, and the avoidance of eating 4-6 hours prior and after exercises. Preventive treatment with antihistamines is currently controversial. Physical desensitization is of potential benefit in exercise-induced anaphylaxis.


Objetivo: Apresentar e discutir a atual classificação da anafilaxia induzida por exercícios baseada em sintomas clínicos e nos mecanismos imunopatológicos envolvidos. Descrever os diferentes quadros clínicos e os fatores precipiantes e agravantes, bem como os métodos diagnósticos empregados. Listar as opções terapêuticas e o benefício potencial da dessensibilização física escalonada e programada. Métodos: A revisão da literatura empregou a base de dados do Medline (PubMed). Meta-análises, relato de casos, e revisões foram avaliadas. O diagnóstico diferencial das várias modalidades das alergias físicas relacionadas aos exercícios é apresentado e discutido. Resultados: Nas alergias físicas há disfunção mastocitária com diminuição do limiar para a desgranulação citoplasmática dos mediadores de anafilaxia após estímulos físicos externos, sendo a histamina a principal substância vasoativa liberada. Esta desgranulação também ocorre na anafilaxia induzida por exercícios. Conclusões: A anafilaxia induzida por exercícios pode ou não ter dependência alimentar, envolver ou não mecanismos imunológicos IgE mediados. A anafilaxia induzida por exercícios com dependência medicamentosa é uma modalidade também importante desta alergia física. O tratamento proposto, após o diagnóstico preciso, inclui a elaboração de um plano operacional para a eventualidade de anafilaxia. A auto-administração de epinefrina, a presença durante todos os exercícios de um companheiro com conhecimentos de assistência para os quadros anafiláticos potenciais, e também evitar-se a ingestão de alimentos por cerca de quatro a seis horas antes e após a prática de exercícios. A utilização de anti-histamínicos para a prevenção destes quadros anafiláticos é presentemente controversa. A dessensibilização física pode ser empregada, com cautela, na anafilaxia induzida por exercícios. .


Subject(s)
Humans , Anaphylaxis , Exercise , Food Hypersensitivity , Urticaria , Methods , Skin Tests , Diagnostic Techniques and Procedures
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