Incidence and risk factors of neonatal infections in a rural Bangladeshi population: a community-based prospective study

Abstract Background Infections cause about one fifth of the estimated 2.7 million annual neonatal deaths worldwide. Population-based data on burden and risk factors of neonatal infections are lacking in developing countries, which are required for the appropriate design of effective preventive and t...

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Main Authors: Dipak K. Mitra, Luke C. Mullany, Meagan Harrison, Ishtiaq Mannan, Rashed Shah, Nazma Begum, Mamun Ibne Moin, Shams El Arifeen, Abdullah H. Baqui, For the Projahnmo Study Group in Bangladesh
Format: Article
Language:English
Published: BMC 2018-03-01
Series:Journal of Health, Population and Nutrition
Subjects:
Online Access:http://link.springer.com/article/10.1186/s41043-018-0136-2
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author Dipak K. Mitra
Luke C. Mullany
Meagan Harrison
Ishtiaq Mannan
Rashed Shah
Nazma Begum
Mamun Ibne Moin
Shams El Arifeen
Abdullah H. Baqui
For the Projahnmo Study Group in Bangladesh
author_facet Dipak K. Mitra
Luke C. Mullany
Meagan Harrison
Ishtiaq Mannan
Rashed Shah
Nazma Begum
Mamun Ibne Moin
Shams El Arifeen
Abdullah H. Baqui
For the Projahnmo Study Group in Bangladesh
author_sort Dipak K. Mitra
collection DOAJ
description Abstract Background Infections cause about one fifth of the estimated 2.7 million annual neonatal deaths worldwide. Population-based data on burden and risk factors of neonatal infections are lacking in developing countries, which are required for the appropriate design of effective preventive and therapeutic interventions in resource-poor settings. Methods We used data from a community-based cluster-randomized trial conducted to evaluate the impact of two umbilical cord cleansing regimens with chlorhexidine solution on neonatal mortality and morbidity in a rural area of Sylhet District in Bangladesh. Newborns were assessed four times in the first 9 days of life by trained community health workers (CHWs) using a WHO IMCI-like clinical algorithm. Cumulative incidence of the first episode of infections in the first 9 days of life was estimated using survival analysis technique accounting for survival bias and competing risk of death before the occurrence of infection. A multivariable generalized estimating equation log-binomial regression model was used to identify factors independently associated with infections. Results Between 2007 and 2009, 30,267 newborns who received at least one postnatal assessment visit by a CHW within the first 9 days of life were included in this study. Cumulative incidence of infections in the first 9 days of life was 14.5% (95% CI 14.1–14.9%). Significant risk factors included previous child death in the family [RR 1.10 (95% CI 1.02–1.19)]; overcrowding [RR 1.14 (95% CI 1.04–1.25)]; home delivery [RR 1.86 (95% CI 1.58–2.19)]; unclean cord care [RR 1.15 (95% CI 1.03–1.28)]; multiple births [RR 1.34 (95% CI 1.15–1.56)]; low birth weight [reference: ≥ 2500 g, RR (95% CI) for < 1500, 1500–1999, and 2000–2499 g were 4.69 (4.01–5.48), 2.15 (1.92–2.42), and 1.15 (1.07–1.25) respectively]; and birth asphyxia [RR 1.65 (1.51–1.81)]. Higher pregnancy order lowered the risk of infections in the study population [compared to first pregnancy, RR (95% CI) for second, third, and ≥ fourth pregnancy babies were 0.93 (0.85–1.02), 0.88 (0.79–0.97), and 0.79 (0.71–0.87), respectively]. Conclusion Neonatal infections and associated deaths can be reduced by identifying and following up high-risk mothers and newborns and promoting facility delivery and clean cord care in resource-poor countries like Bangladesh where the burden of clinically ascertained neonatal infections is high. Further research is needed to measure the burden of infections in the entire neonatal period, particularly in the second fortnight and its association with essential newborn care. Trial registration NCT00434408. Registered February 9, 2007.
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spelling doaj.art-8dae7b2cad174ddda5bf96c20ee128f92022-12-22T02:22:09ZengBMCJournal of Health, Population and Nutrition2072-13152018-03-0137111110.1186/s41043-018-0136-2Incidence and risk factors of neonatal infections in a rural Bangladeshi population: a community-based prospective studyDipak K. Mitra0Luke C. Mullany1Meagan Harrison2Ishtiaq Mannan3Rashed Shah4Nazma Begum5Mamun Ibne Moin6Shams El Arifeen7Abdullah H. Baqui8For the Projahnmo Study Group in BangladeshSchool of Public Health, Independent University, Bangladesh (IUB)International Center for Maternal and Newborn Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins UniversityInternational Center for Maternal and Newborn Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins UniversitySave the Children, Bangladesh country officeDepartment of Global Health, Save the Children-USAInternational Center for Maternal and Newborn Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins UniversityInternational Center for Maternal and Newborn Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins UniversityInternational Centre for Diarrhoeal Disease ResearchInternational Center for Maternal and Newborn Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins UniversityAbstract Background Infections cause about one fifth of the estimated 2.7 million annual neonatal deaths worldwide. Population-based data on burden and risk factors of neonatal infections are lacking in developing countries, which are required for the appropriate design of effective preventive and therapeutic interventions in resource-poor settings. Methods We used data from a community-based cluster-randomized trial conducted to evaluate the impact of two umbilical cord cleansing regimens with chlorhexidine solution on neonatal mortality and morbidity in a rural area of Sylhet District in Bangladesh. Newborns were assessed four times in the first 9 days of life by trained community health workers (CHWs) using a WHO IMCI-like clinical algorithm. Cumulative incidence of the first episode of infections in the first 9 days of life was estimated using survival analysis technique accounting for survival bias and competing risk of death before the occurrence of infection. A multivariable generalized estimating equation log-binomial regression model was used to identify factors independently associated with infections. Results Between 2007 and 2009, 30,267 newborns who received at least one postnatal assessment visit by a CHW within the first 9 days of life were included in this study. Cumulative incidence of infections in the first 9 days of life was 14.5% (95% CI 14.1–14.9%). Significant risk factors included previous child death in the family [RR 1.10 (95% CI 1.02–1.19)]; overcrowding [RR 1.14 (95% CI 1.04–1.25)]; home delivery [RR 1.86 (95% CI 1.58–2.19)]; unclean cord care [RR 1.15 (95% CI 1.03–1.28)]; multiple births [RR 1.34 (95% CI 1.15–1.56)]; low birth weight [reference: ≥ 2500 g, RR (95% CI) for < 1500, 1500–1999, and 2000–2499 g were 4.69 (4.01–5.48), 2.15 (1.92–2.42), and 1.15 (1.07–1.25) respectively]; and birth asphyxia [RR 1.65 (1.51–1.81)]. Higher pregnancy order lowered the risk of infections in the study population [compared to first pregnancy, RR (95% CI) for second, third, and ≥ fourth pregnancy babies were 0.93 (0.85–1.02), 0.88 (0.79–0.97), and 0.79 (0.71–0.87), respectively]. Conclusion Neonatal infections and associated deaths can be reduced by identifying and following up high-risk mothers and newborns and promoting facility delivery and clean cord care in resource-poor countries like Bangladesh where the burden of clinically ascertained neonatal infections is high. Further research is needed to measure the burden of infections in the entire neonatal period, particularly in the second fortnight and its association with essential newborn care. Trial registration NCT00434408. Registered February 9, 2007.http://link.springer.com/article/10.1186/s41043-018-0136-2Neonatal infectionsRisk factorsBangladeshProspective study
spellingShingle Dipak K. Mitra
Luke C. Mullany
Meagan Harrison
Ishtiaq Mannan
Rashed Shah
Nazma Begum
Mamun Ibne Moin
Shams El Arifeen
Abdullah H. Baqui
For the Projahnmo Study Group in Bangladesh
Incidence and risk factors of neonatal infections in a rural Bangladeshi population: a community-based prospective study
Journal of Health, Population and Nutrition
Neonatal infections
Risk factors
Bangladesh
Prospective study
title Incidence and risk factors of neonatal infections in a rural Bangladeshi population: a community-based prospective study
title_full Incidence and risk factors of neonatal infections in a rural Bangladeshi population: a community-based prospective study
title_fullStr Incidence and risk factors of neonatal infections in a rural Bangladeshi population: a community-based prospective study
title_full_unstemmed Incidence and risk factors of neonatal infections in a rural Bangladeshi population: a community-based prospective study
title_short Incidence and risk factors of neonatal infections in a rural Bangladeshi population: a community-based prospective study
title_sort incidence and risk factors of neonatal infections in a rural bangladeshi population a community based prospective study
topic Neonatal infections
Risk factors
Bangladesh
Prospective study
url http://link.springer.com/article/10.1186/s41043-018-0136-2
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