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Pyloric Stenosis

Shani H Cunningham, DO,M.Ed,FAAP and Katelyn Hernandez, DO Reviewed 04/2024
 


BASICS

DESCRIPTION

Acquired narrowing of the pyloric canal due to progressive hypertrophy of pyloric muscle leading to obstruction 

EPIDEMIOLOGY

  • Presentation is most common between 2 and 8 weeks of age, ...

DIAGNOSIS

HISTORY

  • Nonbilious projectile vomiting immediately after feeding with increasing in frequency and severity

  • Hunger and irritability due to inadequate nutrition

  • Weight loss

  • Median duration of symp...

TREATMENT

GENERAL MEASURES

  • Pyloric stenosis is a medical emergency, but not a surgical emergency

  • Ensure proper nutrition and hydration; treat alkalosis or electrolyte deranges preoperatively if present

  • D...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Discharge following surgery when tolerating 2-3 full feeds (5)[C

Patient Monitoring

  • Postoperative monitoring including monitoring for pain, emesis, apnea

  • If signi...

REFERENCES

1
Said  M, Shaul  D, Fujimoto  M, et al. Ultrasound measurements in hypertrophic pyloric stenosis: don’t let the numbers fool you. Perm J.  2012; 16(3): 25– 27. ...

CODES

ICD10

Q40.0 Congenital hypertrophic pyloric stenosis 

SNOMED

  • 48644003 Congenital hypertrophic pyloric stenosis

  • 204671009 Congenital pyloric stenosis

CLINICAL PEARLS

  • Pyloric stenosis is the most common condition requiring surgical intervention in the 1st year of life.

  • The condition classically presents between 1 and 5 months of life, with projectile...

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