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Relationship of Functional Constipation and Growth Status: A Systematic Review and Meta-Analysis
Glen Lazarus1, Michelle Clarissa Junaidi, Hanifah Oswari
1From the Gastrohepatology Division, Department of Child Health, Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.
Insights
Functional constipation (FC) in children is linked to both obesity and undernutrition, particularly in Asian populations. Further research is needed to understand the cause-and-effect relationship.
Area of Science:
- Pediatric Gastroenterology
- Nutritional Science
- Public Health
Background:
- Functional constipation (FC) and malnutrition are prevalent childhood diseases with significant long-term health implications.
- Understanding the relationship between FC and nutritional status is crucial for effective pediatric healthcare.
- This study systematically reviews the existing literature to analyze the connection between FC and malnutrition in children.
Approach:
- A comprehensive systematic review and meta-analysis was conducted.
- Searches were performed across major databases including PubMed, AAP, Cochrane, and ClinicalTrials.gov.
- Eighteen studies involving 33,410 children were analyzed using a random-effects model and Newcastle-Ottawa Scale for bias assessment.
Key Points:
- A significant association was found between FC and overweight/obesity (OR = 1.75, P = 0.02) and undernutrition (OR = 2.38, P < 0.001), especially in Asian countries.
- In Asian populations, normal weight was more common in children without FC (OR = 0.54, P < 0.001).
- The link between FC and short stature remains inconclusive.
Conclusions:
- FC is correlated with both increased prevalence of overweight/obesity and undernutrition in children.
- Further research is warranted to explore the causal relationship between FC and these nutritional states.
- Investigating the potential benefits of FC treatment on nutritional outcomes is recommended.
Objectives:
Functional constipation (FC) and malnutrition are 2 of the most common diseases affecting children worldwide with long-term consequences. We hereby performed a systematic review and meta-analysis to analyze the relationship between these 2 entities.
Methods:
We searched PubMed, American Academics of Pediatrics (AAP), Cochrane, ClinicalTrials.gov (from inception to December 11, 2021) using "constipation," "growth," and "children" as the keywords. Newcastle-Ottawa Scale was used as the risk of bias assessment tool. Meta-analysis using the random-effects model was done.
Results:
Eighteen studies involving 33,410 children were chosen in this study. Meta-analysis of all the studies showed statistically significant relationship between FC with both overweight/obesity [odds ratio (OR) = 1.75; 95% confidence interval (CI) = 1.11-2.76; P = 0.02], in Asian countries subgroup, and undernutrition (OR = 2.38; 95% CI = 1.43-3.97; P < 0.001) in Asian countries using ROME criteria's subgroup. Normal weight patients were also more prevalent in non-FC patients in Asia (OR = 0.54; 95% CI = 0.38-0.76; P < 0.001). The relationship between FC and short stature is still inconclusive.
Conclusions:
FC is correlated with the prevalence of both overweight/obesity and undernutrition. Future studies should evaluate the causal relationship and whether FC treatment could help.
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