Clinical Scorecard: Two-Year Renal Outcomes in Neonates With Nephrocalcinosis and Bronchopulmonary Dysplasia: A Case–Control Study
At a Glance
Category
Detail
Condition
Clinical topic addressed by the source article: Two-Year Renal Outcomes in Neonates With Nephrocalcinosis and Bronchopulmonary Dysplasia
Key Mechanisms
Calcium deposition, predominantly in the renal medullary interstitium or tubules; reported contributors may create an imbalance between inhibitors and promoters of crystallisation.
Target Population
Population described in the source article.
Care Setting
Care setting described in the source article.
Key Highlights
Nephrocalcinosis was identified in 205 of 308 infants (66.6%).
Furosemide exposure was more frequent in infants with mild nephrocalcinosis than in those without nephrocalcinosis (40.2% vs 24.3%; p=0.007).
Gentamicin administration was more frequent in mild and moderate/severe nephrocalcinosis groups than in the group without nephrocalcinosis.
Overall UTI incidence was higher with moderate/severe than mild nephrocalcinosis (36.4% vs 11.2%; p=0.004); after discharge, moderate/severe nephrocalcinosis was associated with increased UTI risk.
Nephrocalcinosis was not associated with haematuria or hypertension at 2 years.
Guideline-Based Recommendations
Diagnosis
The study classified nephrocalcinosis severity from renal ultrasound as absent, mild, moderate or severe.
Management
The article states that infants with nephrocalcinosis should undergo follow-up for symptoms of a UTI.
Monitoring & Follow-up
The study followed children for 2 years and assessed UTIs, haematuria and hypertension.
Risks
Moderate/severe nephrocalcinosis was associated with higher UTI incidence than mild nephrocalcinosis.
The study found no association between nephrocalcinosis and haematuria or hypertension at 2 years.
Patient & Prescribing Data
The analysis included 308 premature infants weighing under 1500 g with BPD, cared for at one Canadian centre; 205 had nephrocalcinosis.
Furosemide exposure was higher in the mild nephrocalcinosis group than in infants without nephrocalcinosis. Gentamicin administration was more frequent in both nephrocalcinosis groups than in the group without nephrocalcinosis. These are observed associations, not treatment recommendations.
Clinical Best Practices
Follow infants with nephrocalcinosis for symptoms of urinary tract infection, as stated by the article.
Interpret medication exposure findings as associations from a retrospective case–control study.
Investigators linked distinct odor patterns to life stage, sex, and skin microbes, while limited longitudinal evidence leaves their clinical utility uncertain.
