J Pediatr Perinatol Child Health 2022; 6 (1): 083-093 DOI: 10.26502/jppch.74050092 Journal of Pediatrics, Perinatology and Child Health 83 Research Article A Study on Duplex Doppler Ultrasonography as a Non-Invasive Test for Diagnosis of Portal Hypertension in Children Attending a Tertiary Care Hospital in Bangladesh Marjan P 1* , Karim ASMB 2 , Rukunuzzaman M 3 , Das SR 4 , Mondal M 5 , Sarker N 6 , Akther H 7 , Nahar L 8 , Chowdhury AS 9 1 Junior Consultant (Paediatrics), Labaid Specialized Hospital, Dhaka, Bangladesh 2 Professor and Chairman (Ex), Department of Pediatric Gastroenterology and Nutrition, BSMMU, Dhaka, Bangladesh 3 Professor and Chairman, Department of Pediatric Gastroenterology and Nutrition, BSMMU, Dhaka, Bangladesh 4 Medical Officer, Department of Pediatric Gastroenterology and Nutrition, BSMMU, Dhaka, Bangladesh 5 Medical Officer, Upazila Health Complex, Munshiganj, Bangladesh 6 Assistant Professor (Paediatrics), Bangabandhu Sheikh Mujib Medical College, Faridpur, Bangladesh 7 Medical Officer, Upazila Health Complex, Shariatpur, Bangladesh 8 Registrar (Pediatric Gastroenterology), Dhaka Medical College Hospital, Dhaka, Bangladesh 9 Junior Consultant, Department of Paediatrics and NICU, Labaid Specialized Hospital, Dhaka, Bangladesh * Corresponding Author: Parisa Marjan, Junior Consultant (Paediatrics), Labaid Specialized Hospital, Dhaka, Bangladesh Received: 11 January 2022; Accepted: 17 January 2022; Published: 21 January 2022 Citation: Marjan P, Karim ASMB, Rukunuzzaman M, Das SR, Mondal M, Sarker N, Akther H, Nahar L, Chowdhury AS. A Study on Duplex Doppler Ultrasonography as a Non-Invasive Test for Diagnosis of Portal Hypertension in Children Attending a Tertiary Care Hospital in Bangladesh. Journal of Pediatrics, Perinatology and Child Health 6 (2022): 083-093.