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  1. Anaphylaxis after ingestion of dust mite (Dermatophagoides farinae)-contaminated food: A case report
    Rangkakulnuwat P, Sanit S, Lao-Araya M
    Trop Biomed, 2020 Jun 01;37(2):318-323.
    PMID: 33612801
    Domestic mites have been recognized as the most common allergen responsible for respiratory allergy. Herein, we report a case of anaphylaxis due to ingestion of dust mitecontaminated food. A 14-year-old boy presented to the Emergency Department with chest discomfort, wheezing, eyelid angioedema, and urticarial rash twice in a month after eating meals, including tempura fried squids and onion fritters (containing wheat flour, eggs, squid, and onion). Anaphylaxis had been diagnosed and successfully treated. The investigations showed that the patient was sensitive to house dust mites. Positive skin prick-to-prick test response to incriminated flour and negative tests to wheat allergen extract and uncontaminated flour were demonstrated. The microscopic analysis of causative cooking flour identified the presence of Dermatophagoides farinae. During the oral food challenge test, the patient was able to eat tempura-fried squids and onion fritters, made with uncontaminated flour, without any adverse reaction. Hence, oral ingestion of dust mite-contaminated food was the culprit of this severe allergic reaction.
  2. Prioritising patient-centred care in the management of chronic urticaria in Asia-Pacific countries
    Tiongco-Recto M, Woo K, Chung WH, Chua GT, Godse K, Gabriel MT, et al.
    World Allergy Organ J, 2024 Nov;17(11):100984.
    PMID: 39553289 DOI: 10.1016/j.waojou.2024.100984
    BACKGROUND: Chronic urticaria (CU), in both inducible and spontaneous forms, is associated with a substantial burden in the Asia-Pacific region (APAC). Patient-centred care recognises patients desire to be involved in decisions regarding their health. Although patient-centred approaches have previously not been studied in the context of CU management, they have demonstrated benefits in the management of other chronic conditions.

    METHODS: Information and opinions regarding the barriers and solutions to the implementation of patient-centred approaches to the management of CU were gathered from a group of 13 expert dermatologists and allergist/immunologists from APAC through surveys and a face-to-face meeting.

    RESULTS: Barriers identified there included a lack of awareness of CU amongst patients, delays in consulting healthcare providers, financial constraints, and low adherence. Particular issues raised included a lack of suitable online information for patients (83% of experts), and patients accessing oral corticosteroids without a prescription. Compliance issues were also identified as key reasons for inadequate responses to treatments (67% of experts). Solutions proposed by the authors were improving patients' knowledge about their condition (92% strongly agree, 8% agree), physicians' consideration of patient characteristics when choosing treatments (92% strongly agree, 8% agree), implementing shared decision-making (85% strongly agree, 15% agree), and using patient-reported outcome measures (70% strongly agree, 23% agree).

    CONCLUSION: Expert opinion within APAC supports the use of patient-centred approaches to improve the management of CU. We provide several recommendations focusing on patient education and involvement in disease management as well as disease monitoring methods that can be implemented by physicians in APAC.

  3. Fulltext Clinical standards for the diagnosis and management of asthma in low- and middle-income countries
    Jayasooriya S, Stolbrink M, Khoo EM, Sunte IT, Awuru JI, Cohen M, et al.
    Int J Tuberc Lung Dis, 2023 Sep 01;27(9):658-667.
    PMID: 37608484 DOI: 10.5588/ijtld.23.0203
    BACKGROUND: The aim of these clinical standards is to aid the diagnosis and management of asthma in low-resource settings in low- and middle-income countries (LMICs).METHODS: A panel of 52 experts in the field of asthma in LMICs participated in a two-stage Delphi process to establish and reach a consensus on the clinical standards.RESULTS: Eighteen clinical standards were defined: Standard 1, Every individual with symptoms and signs compatible with asthma should undergo a clinical assessment; Standard 2, In individuals (>6 years) with a clinical assessment supportive of a diagnosis of asthma, a hand-held spirometry measurement should be used to confirm variable expiratory airflow limitation by demonstrating an acute response to a bronchodilator; Standard 3, Pre- and post-bronchodilator spirometry should be performed in individuals (>6 years) to support diagnosis before treatment is commenced if there is diagnostic uncertainty; Standard 4, Individuals with an acute exacerbation of asthma and clinical signs of hypoxaemia or increased work of breathing should be given supplementary oxygen to maintain saturation at 94-98%; Standard 5, Inhaled short-acting beta-2 agonists (SABAs) should be used as an emergency reliever in individuals with asthma via an appropriate spacer device for metered-dose inhalers; Standard 6, Short-course oral corticosteroids should be administered in appropriate doses to individuals having moderate to severe acute asthma exacerbations (minimum 3-5 days); Standard 7, Individuals having a severe asthma exacerbation should receive emergency care, including oxygen therapy, systemic corticosteroids, inhaled bronchodilators (e.g., salbutamol with or without ipratropium bromide) and a single dose of intravenous magnesium sulphate should be considered; Standard 8, All individuals with asthma should receive education about asthma and a personalised action plan; Standard 9, Inhaled medications (excluding dry-powder devices) should be administered via an appropriate spacer device in both adults and children. Children aged 0-3 years will require the spacer to be coupled to a face mask; Standard 10, Children aged <5 years with asthma should receive a SABA as-needed at step 1 and an inhaled corticosteroid (ICS) to cover periods of wheezing due to respiratory viral infections, and SABA as-needed and daily ICS from step 2 upwards; Standard 11, Children aged 6-11 years with asthma should receive an ICS taken whenever an inhaled SABA is used; Standard 12, All adolescents aged 12-18 years and adults with asthma should receive a combination inhaler (ICS and rapid onset of action long-acting beta-agonist [LABA] such as budesonide-formoterol), where available, to be used either as-needed (for mild asthma) or as both maintenance and reliever therapy, for moderate to severe asthma; Standard 13, Inhaled SABA alone for the management of patients aged >12 years is not recommended as it is associated with increased risk of morbidity and mortality. It should only be used where there is no access to ICS.The following standards (14-18) are for settings where there is no access to inhaled medicines. Standard 14, Patients without access to corticosteroids should be provided with a single short course of emergency oral prednisolone; Standard 15, Oral SABA for symptomatic relief should be used only if no inhaled SABA is available. Adjust to the individual's lowest beneficial dose to minimise adverse effects; Standard 16, Oral leukotriene receptor antagonists (LTRA) can be used as a preventive medication and is preferable to the use of long-term oral systemic corticosteroids; Standard 17, In exceptional circumstances, when there is a high risk of mortality from exacerbations, low-dose oral prednisolone daily or on alternate days may be considered on a case-by-case basis; Standard 18. Oral theophylline should be restricted for use in situations where it is the only bronchodilator treatment option available.CONCLUSION: These first consensus-based clinical standards for asthma management in LMICs are intended to help clinicians provide the most effective care for people in resource-limited settings.
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