Related Experiment Video
Updated: Oct 10, 2026
Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography
Published on: January 27, 2023
Ultrasonographic diagnosis criteria using scoring for hypertrophic pyloric stenosis
Insights
Ultrasonography (US) effectively diagnoses infantile hypertrophic pyloric stenosis (HPS) using a scoring system. This method accurately differentiates normal infants from those with HPS, aiding in prompt diagnosis and treatment.
Area of Science:
- Pediatric imaging
- Gastroenterology
- Diagnostic ultrasonography
Background:
- Infantile hypertrophic pyloric stenosis (HPS) requires accurate diagnosis.
- Ultrasonography (US) is a valuable tool for assessing HPS.
Purpose of the Study:
- To develop and validate ultrasonographic diagnostic criteria for HPS using a scoring system.
- To objectively measure pyloric diameter, muscular thickness, and length in infants.
Main Methods:
- Measurements of pyloric parameters were taken in normal infants and those with HPS.
- A scoring system was developed based on probit analysis of these measurements.
- Diagnostic criteria were established using a composite score.
Main Results:
- A composite score of 2 or less correctly identified normal infants.
- A composite score of 3 or more accurately identified infants with HPS.
- The scoring system achieved 100% accuracy in differentiating between normal and HPS groups.
Conclusions:
- Ultrasonography, with the developed scoring system, provides accurate diagnosis of HPS.
- Prospective application of these criteria in neonates with vomiting demonstrated correct discrimination.
- The established ultrasonographic criteria are reliable for diagnosing infantile hypertrophic pyloric stenosis.
Purpose:
For diagnosis of infantile hypertrophic pyloric stenosis (HPS), ultrasonography (US) is a useful and objective diagnostic method. In the current study, pyloric diameter, muscular thickness, and pyloric length were measured in normal infants (n = 26) and infants which is an adequate (n = 57). Each score was assigned to relevant measurements, and diagnostic criteria obtained with a scoring system were prepared using statistical skills by the probit analysis.
Methods:
For scoring, points were given to relevant measurements in conformity with the probit analysis. Zero points were given to patients with no possibility of HPS, 1 point to those with less than 25% probability, 2 points to those with 25% or more but less than 50% probability, and 3 points to patients with 50% or more probability. Points were totaled, and analysis was performed.
Results:
The composite score was evaluated by probit analysis, and cases with a composite score of 2 or less were all included in the normal group, whereas those with a composite score of 3 or more were all in the HPS group. Both groups could thereby be 100% identified.
Conclusion:
US was able to diagnose cases with overall score of 2 or less as normal and those with overall score of 3 or higher as having HPS. In addition, after the current diagnostic criteria were prepared, preoperative diagnoses were performed prospectively using them for vomiting neonates and infants, and all cases were correctly discriminated and diagnosed. These findings indicate our ultrasonographic diagnosis criteria are useful for diagnosing HPS.
Related Concept Videos
01:28Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
01:25Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
01:23Mitral Stenosis II: Clinical features and Diagnostic Tests
01:24Imaging Studies II: Ultrasonography