The benefits of newborn screening for cystic fibrosis: The Canadian experience
D Y F Mak1, J Sykes2, A L Stephenson2
1Cystic Fibrosis Canada, 2323 Yonge Street Suite 800, Toronto, M4P 2C9, Canada.
Insights
Newborn screening (NBS) for cystic fibrosis (CF) improves early health indicators. Children diagnosed via NBS show better nutrition and fewer infections, leading to improved long-term health outcomes.
Area of Science:
- Pediatric Pulmonology
- Medical Genetics
- Public Health Screening
Background:
- Evaluating the impact of newborn screening (NBS) for cystic fibrosis (CF) on early health indicators.
- Considering government-sponsored healthcare and current therapy access in the evaluation.
Purpose of the Study:
- To assess the long-term health benefits of NBS for CF.
- To compare early health indicators between CF patients diagnosed via NBS and clinical diagnosis.
Main Methods:
- Utilized data from the Canadian CF Registry (2008-2013).
- Compared respiratory infection rates and nutritional status markers between NBS and non-NBS diagnosed groups.
- Employed Mann-Whitney and Fischer's exact tests for statistical analysis.
Main Results:
- Included 303 subjects (201 NBS, 102 non-NBS).
- NBS patients diagnosed earlier, visited clinics younger, and had less pancreatic insufficiency.
- Lower incidence of Pseudomonas aeruginosa and Staphylococcus aureus in NBS patients; higher weight-for-age and height-for-age z-scores after adjustments.
Conclusions:
- Newborn screening programs for CF significantly improve long-term health outcomes.
- Early detection through NBS positively impacts nutritional status and infection rates in CF patients.
Background:
The impact of newborn screening (NBS) for cystic fibrosis (CF) on early indicators of long-term health was evaluated in the context of government-sponsored healthcare and access to current therapies.
Methods:
Using data from the Canadian CF Registry between 2008 and 2013, we compared the rates of respiratory infections and markers of nutritional status in those diagnosed through NBS to those who were diagnosed clinically within the same time period using Mann-Whitney and Fischer's exact test as appropriate.
Results:
The study included 303 subjects, 201 in the NBS group and 102 in the non-NBS group. NBS patients were diagnosed earlier and had their first clinic visit at a younger age. Pancreatic insufficiency was less common in NBS patients. The incidence of Pseudomonas aeruginosa and Staphylococcus aureus were lower in NBS patients. After adjusting for age at clinic visit, gender, pancreatic status, and Pseudomonas aeruginosa infection status, mean z-scores for weight-for-age and height-for-age were higher in NBS patients, with no differences in BMI-for-age.
Conclusions:
NBS programs for CF lead to improved long-term health outcomes for the CF population.
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