This study was aimed to summarize the current data on clinicolaboratory features, treatment, intensive care needs, and outcome of pediatric inflammatory multisystem syndrome temporally associated with severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2; PIMS-TS) or multisystem inflammatory syndrome in children (MIS-C). Articles published in PubMed, Web of Science, Scopus, Google Scholar, and novel coronavirus disease 2019 (COVID-19) research database of World Health Organization (WHO), Centers for Disease Control and Prevention (CDC) database, and Cochrane COVID-19 study register between December 1, 2019 and July 10, 2020. Observational studies involving patients <21 years with PIMS-TS or MIS-C were reported the clinicolaboratory features, treatment, intensive care needs, and outcome. The search identified 422 citations and finally 18 studies with 833 participants that were included in this study, and pooled estimate was calculated for parameters of interest utilizing random effect model. The median age was 9 (range: 8–11) years. Fever, gastrointestinal symptoms, rash, conjunctival injection, and respiratory symptoms were common clinical features. Majority (84%) had positive SARS-CoV-2 antibody test and only one-third had positive reverse transcript polymerase chain reaction (RT-PCR). The most common laboratory abnormalities noted were elevated C-reactive protein (CRP), D-dimer, procalcitonin, brain natriuretic peptide (BNP), fibrinogen, ferritin, troponin, interleukin 6 (IL-6), lymphopenia, hypoalbuminemia, and thrombocytopenia. Cardiovascular complications included shock (65%), myocardial dysfunction (61%), myocarditis (65%), and coronary artery abnormalities (39%). Three-fourths of children required admission to pediatric intensive care unit (PICU) where they received vasoactive medications (61%) and mechanical ventilation (25%). Treatment strategies used included intravenous immunoglobulin (IVIg; 82%), steroids (54%), antiplatelet drugs (64%), and anticoagulation (51%). Mortality for patients with PIMS-TS or MIS-C was low (n = 13). In this systematic review, we highlight key clinical features, laboratory findings, therapeutic strategies, intensive care needs, and observed outcomes for patients with PIMS-TS or MIS-C. Commonly observed clinical manifestations include fever, gastrointestinal symptoms, mucocutaneous findings, cardiac dysfunction, shock, and evidence of hyperinflammation. The majority of children required PICU admission, received immunomodulatory treatment, and had good outcome with low mortality.

Objective: To delineate the clinical profile, complications, intensive care needs, and predictors of mortality in children with critical pertussis. Methods: Retrospective analysis of case records of children in the pediatric intensive care unit of a tertiary-care hospital, with a diagnosis of critical pertussis over 3 years. Diagnostic criteria included CDC case definition and confirmation by polymerase chain reaction (PCR), when available. Survivors and nonsurvivors were compared to identify predictors of mortality. Results: 36 records were analysed, most cases were infants (31, 86.1%). 10 (27.7%) were (below 6 weeks of age). In the rest, 16 (61.5%) were partially immunized or unimmunized against pertussis. Rapid breathing (88.9%), paroxysmal cough (86.1%) and apnea (41.7%) were common presenting complaints. Hypoxemia (97.2%), hyperleukocytosis (61.1%) and encephalopathy (52.8%) were common complications. Intensive care needs were mechanical ventilation in 11 (30.6%), vasoactive support in 7 (19.4%) and exchange transfusion in 3 (8.3%). Female gender, apnea, hyperleukocytosis, encephalopathy, need for vasoactive support, and mechanical ventilation predicted mortality. Conclusion: Pertussis demands attention due to its varied presentation, increased complications and higher mortality.

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Kerosene poisoning is one of the most common accidental poisoning in children in developing countries due common use of kerosene in household and unsafe storage practices. Aspiration pneumonitis is the most common manifestation of kerosene ingestion due to its low viscosity, high volatility, and low surface tension. The treatment of aspiration pneumonitis due to kerosene poisoning is symptomatic including oxygen support, respiratory monitoring, and careful monitoring of fluid balance. Children with severe respiratory distress and hypoxemia unresponsive to supplemental oxygen and/or severe central nervous system involvement require early intubation and mechanical ventilation. Transfer to the pediatric intensive care unit (PICU) is required at this stage. Emesis, gastric lavage, and administration of activated charcoal are contraindicated due to risk of aspiration. There is no clear benefit of using corticosteroids or prophylactic antibiotics. Asymptomatic children should be kept under observation for atleast 6 hours after exposure. The mortality rate is low and death occurs due to pneumonitis. Camphor is used in household items including vaporized or topical cold preparations, liniments, moth repellents, for performing rituals in religious ceremonies, and in antimicrobial preparations. Camphor poisoning is not very common in childhood. Even small doses of camphor can cause serious toxicity and is potentially fatal. The onset of action is very rapid (5-15 minutes). The common manifestations are confusion, restlessness, delirium, and hallucinations, muscle twitching, myoclonus, ataxia, hyperreflexia, fasciculations, and seizures. Seizures are common and serious complication in camphor toxicity. The treatment is supportive including decontamination, gastric lavage, activated charcoal, and seizure control. Naphthalene is a major constituent of mothballs which are commonly used in household to protect clothes from moths. Though the poisoning with naphthalene is uncommon in children, most of the cases with naphthalene poisoning occur in developing countries where mothballs are still commonly used. The manifestations of naphthalene toxicity are predominantly due to acute intravascular hemolysis leading to anemia, hemoglobinuria, methemoglobinemia, and acute kidney injury (AKI). The treatment of naphthalene toxicity is supportive in form of transfusion of the packed red blood cells, monitoring of fluid and electrolyte balance, administration of alkalis in presence of hemoglobinuria, and renal replacement therapy. Prevention is better than cure. The strategies should be adopted to prevent children being exposed to these toxic compounds in the house-hold. Safe storage of toxic compounds away from the reach of children, avoiding storing kerosene in cold drink and beverage bottles, community education, provision of electricity in rural areas, safe cooking practices, and parental supervision are important interventions to prevent accidental poisoning among children.

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