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To the Editor: Despite lesser incidence and disease severity of COVID-19 in children, growing evidence suggests huge heterogeneity in clinical presentation [1]. We describe an 11-y-old boy, who presented with fever, pain abdomen for five days, vomiting, loose stool for three days, transient non-itchy, maculopapular rashes on both feet. At admission, he had diffuse abdominal tenderness with guarding. He was kept nil by mouth and started on intravenous maintenance fluid and ceftriaxone. Initial blood investigations showed Hemoglobin 11.6 g/dl; total leukocyte count (TLC) – 11,500 cells/mm3 with 90% neutrophils (N) and 9% lymphocytes (L), Platelets – 3.0 Lakhs/mm3, CRP – 107 mg/L, hypoalbuminemia (2.6 g/dl), INR 1.46, Ferritin 666 ng/ml, LDH 233 U/L with preserved renal function, lactate and transaminases. CT abdomen revealed normal appendix, diffuse mural wall thickening in the terminal ileum and ascending colon with adjacent significant mesenteric lymphadenopathy. COVID-19 RT-PCR from the nasopharyngeal and oropharyngeal samples were negative. On day 3 of hospitalization child developed features of shock, required 40 ml/kg crystalloid fluid resuscitation. On extended evaluation, 2D ECHO was normal, CRP increased to 142 mg/L, D-dimer was high (2.16 mg/L) with negative pro-BNP and Troponin T. Due to worsening clinical condition, and negative yield in all other infective (dengue, leptospirosis, typhoid, scrub typhus) workup, we repeated COVID RT-PCR and it turned out to be positive on 10th day of illness. He was treated with 2 g/kg of IVIG in view of ‘acute inflammation associated with COVID’. Clinical and blood parameters improved and the child recovered over next two days.
While reviewing literature on pediatric cohorts, Dong et al. [2] reported that ‘some milder cases had nausea, vomiting and abdominal pain without fever’. In other cohorts, abdominal pain was documented to be 4% and 5.8% [3], more as a concomitant symptom like diarrhoea. While reviewing adult data, Lima et al. [4] reported the importance of chest CT evaluation in addition to abdominal CT in patients presenting as acute abdomen to identify basal pneumonia to ignite a suspicion of COVID-19, not as a primary acute abdomen presentation.
Our index case was a pure abdominal presentation at the onset masquerading as surgical abdomen, persisted through the second week and progressed to shock without any respiratory symptoms. Recent observations all over the world suggest that it can very well be a presentation of ‘acute COVID Inflammation’ [5]. Our case review supports the plausibility of ‘gastrointestinal tract can be the only manifesting organ with varying degrees of severity’.
References
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Dong Y, Mo X, Hu Y, et al. Epidemiology of COVID-19 among children in China. Paediatrics. 2020;145:e20200702.
Parri N, Lenge M, Buonsenso D. Children with Covid-19 in pediatric emergency departments in Italy. N Engl J Med. 2020;383:187–90. https://doi.org/10.1056/NEJMc2007617.
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Teressa RH, Michello DP, Rabheh AA, et al. COVID-19 associated multisystem inflammatory syndrome in children (MIS-C) guidelines, a Western New York approach. Prog Pediatr Cardiol. 2020;57:101232. https://doi.org/10.1016/j.ppedcard.2020.101232.
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Periyakaruppan, M., Kumar, S., Kandasamy, S. et al. COVID Abdomen: SARS-CoV-2 Infection Presenting as ‘Acute Abdomen’ in a Child. Indian J Pediatr 88, 299–300 (2021). https://doi.org/10.1007/s12098-020-03508-4
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DOI: https://doi.org/10.1007/s12098-020-03508-4