Publications by authors named "Roxanne J Casis Hao"

Background: In response to the continual increase in the prevalence of pediatric allergic diseases in the Philippines, the Philippine Society of Allergy, Asthma, and Immunology (PSAAI) and the Philippine Society of Pediatric Gastroenterology, Hepatology, and Nutrition (PSPGHAN) have published guidelines on the dietary prevention of allergic diseases in children.

Objective: This guideline aims to update the previous guideline recommendations for clinicians on the use of dietary interventions for the prevention of allergic disease in children.

Methods: Following the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach specified in the Department of Health Manual for Clinical Practice Guidelines development, we systematically searched for and appraised clinical practice guidelines and systematic reviews on topics formulated and prioritized by a Steering Committee, which comprised of members of the PSAAI and PSPGHAN.

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Background: In response to the pandemic brought about by COVID-19, vaccines were developed immediately. Together with adhering to safety protocols, vaccines are needed to help decrease the mortality and morbidity. As with any other, COVID-19 vaccines are evaluated based on efficacy and safety.

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To address inborn errors of immunity (IEI) which were underdiagnosed in resource-limited regions, our centre developed and offered free genetic testing for the most common IEI by Sanger sequencing (SS) since 2001. With the establishment of The Asian Primary Immunodeficiency (APID) Network in 2009, the awareness and definitive diagnosis of IEI were further improved with collaboration among centres caring for IEI patients from East and Southeast Asia. We also started to use whole exome sequencing (WES) for undiagnosed cases and further extended our collaboration with centres from South Asia and Africa.

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Background: Atopic dermatitis is the most common chronic skin disease affecting the pediatric population. Probiotics have been proposed to be effective in preventing the development of pediatric atopic dermatitis. Although studies show promise for the use of probiotics, the evidence is still inconclusive due to significant heterogeneity and imprecision.

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Article Synopsis
  • Anaphylaxis is a severe and life-threatening allergic reaction, and its incidence has significantly risen, particularly in the Philippines from 2015 to 2019.
  • Data was collected from medical records of 300 anaphylaxis patients admitted during this period, revealing that most were young adults, with medications—especially antibiotics—being the main triggers.
  • Significant predictors for serious outcomes include older age and the presence of cofactors like beta-blocker use and acute infections.
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Allergic diseases, such as asthma, allergic rhinitis, eczema, and food allergy, are preventable diseases. Primary prevention strategies of allergic diseases have been in scrutiny. Effective prevention strategies maybe started prenatally, postnatally, during infancy, and even during childhood.

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