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Background: Most centers in developing countries prefer chelation therapy with D-penicillamine for the management of Wilson's disease (WD) because of its easy availability and affordability. Neurological worsening following treatment with D-penicillamine is not uncommon. However, there is a paucity of Indian data on the incidence of neurological worsening in children and adolescents with WD following chelation therapy. Our study objectives were to identify the prevalence of neurological worsening in children and adolescents with WD following chelation with D-penicillamine therapy and to describe the management options and outcomes in these patients., Materials and Methods: In this retrospective chart review, children and adolescents with an established diagnosis of WD from 2010 to 2020 were identified from the hospital electronic database. Among these patients, data of children and adolescents with neurological worsening following D-penicillamine therapy were extracted and analyzed., Results: Neurological worsening was observed in 27/122 (22.1%) children and adolescents with WD on chelation therapy with D-penicillamine. Fifteen patients with neurological worsening following D-penicillamine therapy were managed with zinc monotherapy. Four patients were managed with a combination therapy of zinc and trientine. Five patients were treated with trientine monotherapy. Re-challenging with D-penicillamine at a lower dose followed by a slow dose escalation was attempted in three patients. Gradual clinical and functional status improvement was observed in 24 cases while one patient succumbed to pneumonia., Conclusion: Children and adolescents with WD who had neurological worsening on D-penicillamine therapy may be managed with trientine. Zinc monotherapy with copper restricted diet was also found to be effective in non-affordable patients., Competing Interests: There are no conflicts of interest., (Copyright: © 2022 Annals of Indian Academy of Neurology.)

Background: Head circumference (HC) measurement is routinely not performed in early childhood and there is conflicting information about its utility in literature. The current study analyses the association between HC at two years of age and cognition at two and five years of age., Methods: A community based birth-cohort recruited between 2010 and 2012 was followed up till five years of age in an urban slum in Vellore, India. Children were recruited at birth after informed parental consent by consecutive sampling using eligibility criteria of healthy new-born, singleton pregnancy and family's availability in the study area during follow-up. HC measured at two years of age was used as the exposure variable to calculate association with cognition at both two and five years of age. Cognitive domain of Bayley scale of infant development was used at two years of age and Wechsler Preschool Primary Scales of Intelligence at five years., Results: Of the 251 enrolled children, 138 (55%) were girls and 71 (30%) belonged to lower socioeconomic status. At 2 years, 8.81% of children had HC < - 3SD. Compared to children with HC z-scores ≥ - 2 SD, those with measurements < - 3 SD had a lower cognition scores by - 2.21 [95% CI: - 3.87 - -0.56] at 2 years. Also, children with HC < - 3 SD at two years scored significantly lower scores in cognitive domains of verbal, - 7.35 [95% CI: - 11.78 - -2.92] and performance, - 7.07 [95% CI: - 11.77 - -2.36] intelligence at five years., Conclusions: This study showed that smaller HC at 2 years of age was negatively associated with cognition at both 2 and 5 years of age. Early childhood HC measurements can be utilised as a cheaper screening tool to identify children at risk in LMIC settings. Further studies can confirm these findings in diverse settings.

Background: Acute undifferentiated febrile illness (AUFI) may have similar clinical presentation, and the etiology is varied and region specific., Materials and Methods: This prospective observational study was conducted in a tertiary hospital in South India. All adult patients presenting with AUFI of 3-14 days duration were evaluated for etiology, and the differences in presentation and outcome were analyzed., Results: The study cohort included 1258 patients. A microbiological cause was identified in 82.5% of our patients. Scrub typhus was the most common cause of AUFI (35.9%) followed by dengue (30.6%), malaria (10.4%), enteric fever (3.7%), and leptospirosis (0.6%). Both scrub typhus and dengue fever peaked during the monsoon season and the cooler months, whereas no seasonality was observed with enteric fever and malaria. The mean time to presentation was longer in enteric fever (9.9 [4.7] days) and scrub typhus (8.2 [3.2] days). Bleeding manifestations were seen in 7.7% of patients, mostly associated with dengue (14%), scrub typhus (4.2%), and malaria (4.6%). The requirement of supplemental oxygen, invasive ventilation, and inotropes was higher in scrub typhus, leptospirosis, and malaria. The overall mortality rate was 3.3% and was highest with scrub typhus (4.6%) followed by dengue fever (2.3%). Significant clinical predictors of scrub typhus were breathlessness (odds ratio [OR]: 4.96; 95% confidence interval [CI]: 3.38-7.3), total whole blood cell count >10,000 cells/mm 3 (OR: 2.31; 95% CI: 1.64-3.24), serum albumin <3.5 g % (OR: 2.32; 95% CI: 1.68-3.2). Overt bleeding manifestations (OR: 2.98; 95% CI: 1.84-4.84), and a platelet count of <150,000 cells/mm 3 (OR: 2.09; 95% CI: 1.47-2.98) were independent predictors of dengue fever., Conclusion: The similarity in clinical presentation and diversity of etiological agents demonstrates the complexity of diagnosis and treatment of AUFI in South India. The etiological profile will be of use in the development of rational guidelines for control and treatment of AUFI., Competing Interests: There are no conflicts of interest.