Testing of a reusable chemical warming pad and an insulating jacket to manage hypothermia of preterm or low birthweight neonates

Abstract Hypothermia remains a leading contributing factor to neonatal mortality. This study reports testing of a thermoregulatory device—‘Thermal Jacket’ that includes a reusable chemical warming pad (CWP) and an insulating jacket designed for hypothermia management. The laboratory experiments were...

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Main Authors: Anisuddin Ahmed, Fariya Rahman, Md. Mahinur Islam, Mohammad Hridoy Patwary, K. M. Tanvir, Saifuddin Ahmed, Abul Hussam, Md. Mominul Islam, Mats Målqvist, Ahmed Ehsanur Rahman, Shams El Arifeen, Syed Moshfiqur Rahman
Format: Article
Language:English
Published: Nature Portfolio 2025-04-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-96275-1
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author Anisuddin Ahmed
Fariya Rahman
Md. Mahinur Islam
Mohammad Hridoy Patwary
K. M. Tanvir
Saifuddin Ahmed
Abul Hussam
Md. Mominul Islam
Mats Målqvist
Ahmed Ehsanur Rahman
Shams El Arifeen
Syed Moshfiqur Rahman
author_facet Anisuddin Ahmed
Fariya Rahman
Md. Mahinur Islam
Mohammad Hridoy Patwary
K. M. Tanvir
Saifuddin Ahmed
Abul Hussam
Md. Mominul Islam
Mats Målqvist
Ahmed Ehsanur Rahman
Shams El Arifeen
Syed Moshfiqur Rahman
author_sort Anisuddin Ahmed
collection DOAJ
description Abstract Hypothermia remains a leading contributing factor to neonatal mortality. This study reports testing of a thermoregulatory device—‘Thermal Jacket’ that includes a reusable chemical warming pad (CWP) and an insulating jacket designed for hypothermia management. The laboratory experiments were conducted in two distinct phases between February’21 and June’22. In phase 1, a ternary composite of Sodium-Acetate-Trihydrate, Glycerol, Paraffin, and water contained in a high-density polyethylene-pouch named ‘CWP’ was finalised, and an insulating jacket was designed for targeted heat retention. In phase 2, the device’s efficacy was evaluated using a mannequin in a controlled setting. The sample size was 81 events. Welch’s t-test, ANOVA, and GEE were used to assess any significant differences between successful and failed events. Among 81 events, approximately 93% events of CWP and 98% events of insulating jacket successfully maintained temperature within 36–38°C for 120 minutes. Moreover, ambient temperature, reuse of CWPs, humidity did not have any significant effect on the success rate of the CWP and insulating jacket. Thermal Jacket had achieved and sustained the temperature range of 36–38°C for 2 hours. While this study used mannequin, clinical trial with preterm or low birthweight neonates is imperative to assess its effectiveness for thermal care management.
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spelling doaj-art-c6bb4714586d4bfd8ca9f495593c95f42025-08-20T03:06:50ZengNature PortfolioScientific Reports2045-23222025-04-0115111010.1038/s41598-025-96275-1Testing of a reusable chemical warming pad and an insulating jacket to manage hypothermia of preterm or low birthweight neonatesAnisuddin Ahmed0Fariya Rahman1Md. Mahinur Islam2Mohammad Hridoy Patwary3K. M. Tanvir4Saifuddin Ahmed5Abul Hussam6Md. Mominul Islam7Mats Målqvist8Ahmed Ehsanur Rahman9Shams El Arifeen10Syed Moshfiqur Rahman11Global Health and Migration Unit, Department of Women’s and Children’s Health, Uppsala UniversityMaternal and Child Health Division, International Centre for Diarrhoeal Disease ResearchDepartment of Chemistry and Biochemistry, The Florida State UniversityMaternal and Child Health Division, International Centre for Diarrhoeal Disease ResearchInstitute of Statistical Research and Training, University of DhakaDepartment of Population, Family and Reproductive Health, Bloomberg School of Public Health, Johns Hopkins UniversityCenter for Clean Water and Sustainable Technologies, Department of Chemistry and Biochemistry, George Manson UniversityDepartment of Chemistry, University of DhakaCentre for Health and Sustainability, Department of Women’s and Children’s Health, Uppsala UniversityMaternal and Child Health Division, International Centre for Diarrhoeal Disease ResearchMaternal and Child Health Division, International Centre for Diarrhoeal Disease ResearchGlobal Health and Migration Unit, Department of Women’s and Children’s Health, Uppsala UniversityAbstract Hypothermia remains a leading contributing factor to neonatal mortality. This study reports testing of a thermoregulatory device—‘Thermal Jacket’ that includes a reusable chemical warming pad (CWP) and an insulating jacket designed for hypothermia management. The laboratory experiments were conducted in two distinct phases between February’21 and June’22. In phase 1, a ternary composite of Sodium-Acetate-Trihydrate, Glycerol, Paraffin, and water contained in a high-density polyethylene-pouch named ‘CWP’ was finalised, and an insulating jacket was designed for targeted heat retention. In phase 2, the device’s efficacy was evaluated using a mannequin in a controlled setting. The sample size was 81 events. Welch’s t-test, ANOVA, and GEE were used to assess any significant differences between successful and failed events. Among 81 events, approximately 93% events of CWP and 98% events of insulating jacket successfully maintained temperature within 36–38°C for 120 minutes. Moreover, ambient temperature, reuse of CWPs, humidity did not have any significant effect on the success rate of the CWP and insulating jacket. Thermal Jacket had achieved and sustained the temperature range of 36–38°C for 2 hours. While this study used mannequin, clinical trial with preterm or low birthweight neonates is imperative to assess its effectiveness for thermal care management.https://doi.org/10.1038/s41598-025-96275-1Sodium Acetate TrihydrateParaffinGlycerolHypothermia managementThermoregulatory deviceThermal Jacket
spellingShingle Anisuddin Ahmed
Fariya Rahman
Md. Mahinur Islam
Mohammad Hridoy Patwary
K. M. Tanvir
Saifuddin Ahmed
Abul Hussam
Md. Mominul Islam
Mats Målqvist
Ahmed Ehsanur Rahman
Shams El Arifeen
Syed Moshfiqur Rahman
Testing of a reusable chemical warming pad and an insulating jacket to manage hypothermia of preterm or low birthweight neonates
Scientific Reports
Sodium Acetate Trihydrate
Paraffin
Glycerol
Hypothermia management
Thermoregulatory device
Thermal Jacket
title Testing of a reusable chemical warming pad and an insulating jacket to manage hypothermia of preterm or low birthweight neonates
title_full Testing of a reusable chemical warming pad and an insulating jacket to manage hypothermia of preterm or low birthweight neonates
title_fullStr Testing of a reusable chemical warming pad and an insulating jacket to manage hypothermia of preterm or low birthweight neonates
title_full_unstemmed Testing of a reusable chemical warming pad and an insulating jacket to manage hypothermia of preterm or low birthweight neonates
title_short Testing of a reusable chemical warming pad and an insulating jacket to manage hypothermia of preterm or low birthweight neonates
title_sort testing of a reusable chemical warming pad and an insulating jacket to manage hypothermia of preterm or low birthweight neonates
topic Sodium Acetate Trihydrate
Paraffin
Glycerol
Hypothermia management
Thermoregulatory device
Thermal Jacket
url https://doi.org/10.1038/s41598-025-96275-1
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