Atopic dermatitis (AD) is a common inflammatory skin disorder that has strong financial and psychosocial impacts. Its pathogenesis is related to increased transepidermal water loss due to a defective skin epidermal barrier. Emollients serve as first-line therapy during both acute flares and remission. However, their use is poorly characterized, posing therapeutic challenges to clinicians and patients. In this article, we review available evidence to provide recommendations, aiming to standardize and optimize the use of emollients in AD. Literature search was performed using Pubmed and Google. All articles were retrieved using Pubmed. Recommendations were graded based on the British Medical Journal's Grading of Recommendations Assessment, Development and Evaluation system and the American Academy of Family Physicians' Strength of Recommendation Taxonomy. Emollients should be applied post-bathing. However, the need for immediate application is debatable. The optimal frequency for application is still undetermined, but multiple applications daily are encouraged. Ideally, a balance should be achieved between patient's compliance and clinical efficacy. Emollients hold the potential to act as steroid-sparing agents, but more well-designed studies are pertinent for a definite conclusion. At present, it is recommended that 250-500 g of emollients be applied every week. Finally, primary prevention of AD by regular application of emollients in high-risk infants cannot yet be recommended.
A 13-year-old boy underwent allogeneic hematopoietic stem cell transplantation (HSCT) for underlying acute lymphoblastic leukemia and achieved neutrophil engraftment 28 days after HSCT. He developed ichthyosis 6 weeks after HSCT and then keratotic follicular papules, palmoplantar keratoderma, and a seborrheic dermatitis-like eruption 18 weeks after HSCT. From skin biopsies he was diagnosed with eczematoid graft-versus host disease (GVHD), which showed spongiosis with scattered necrotic keratinocytes. He responded to oral and topical steroids and an increase in cyclosporine dose. Although uncommon, eczematoid GVHD must be considered in children who have undergone HSCT and then develop an atypical eczematous eruption, especially in the absence of a history of atopy.
This is a case report of a 4-month-old full-term, fully breastfed boy who presented with a persistent periorificial and groin rash associated with poor weight gain and irritability. His serum zinc level was low. The mother's breast milk zinc level was found to be low despite her serum zinc levels being normal, confirming the diagnosis of transient neonatal zinc deficiency. Mutational analysis revealed a novel mutation in the mother's SLC30A2 gene, which encodes a zinc transporter expressed in mammary gland epithelial cells.
IntroductionPatient eczema severity time (PEST) is a new atopic dermatitis (AD) scoring system based on patients’ own perception of their disease. Conventional scales such as SCORing of atopic dermatitis (SCORAD) reflect the clinician’s observations during the clinic visit. Instead, the PEST score captures eczema severity, relapse and recovery as experienced by the patient or caregiver on a daily basis, promoting patient engagement, compliance with treatment and improved outcomes. This study aims to determine the correlation between carer-assessed PEST and clinician-assessed SCORAD in paediatric AD patients after 12 weeks of treatment using a ceramide-dominant therapeutic moisturizer.MethodsProspective, open-label, observational, multi-centre study in which children with AD aged 6 months to 6 years were treated with a ceramide dominant therapeutic moisturizer twice daily for 12 weeks; 58 children with mild-to-moderate AD were included. Correlation between the 7-day averaged PEST and SCORAD scores for assessment of AD severity was measured within a general linear model. PEST and SCORAD were compared in week 4 and week 12.ResultsAt week 12, a moderate correlation was found between the SCORAD and PEST scores (r = 0.51). The mean change in SCORAD and PEST scores from baseline to week 12 was −11.46 [95% confidence interval (CI) −14.99 to −7.92, p < 0.0001] and −1.33 (95% CI −0.71 to −0.10, p < 0.0001) respectively. PEST demonstrated greater responsiveness to change (33.3% of scale) compared to SCORAD (13.8% of scale).ConclusionThe PEST score correlates well with the SCORAD score and may have improved sensitivity when detecting changes in the severity of AD. The ceramide-dominant therapeutic moisturizer used was safe and effective in the management of AD in young children.FundingHyphens Pharma Pte Ltd.Trial Registrationclinicaltrials.gov identifier, NCT02073591.
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