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Hypertrophic pyloric stenosis ( HPS)

  • March 5, 2023

Hypertrophic pyloric stenosis is blockage of the passage of the stomach due to thickening (hypertrophy) of the muscle at the intersection between the stomach and the intestines.


Pyloric stenosis is viewed as a multifactorial trait. Multifactorial inheritance implies that numerous components are engaged with causing a birth deformity. The variables are typically both hereditary and natural. 

  1. Male sex (especially first-born boys)
  2. Parents or siblings who had pyloric stenosis
  3. Use of certain antibiotics (for example, erythromycin) during the first few weeks of life
  4. Smoking during pregnancy
  5. Bottle-feeding with formula


  1. Projectile vomiting
  2. Weight loss
  3. Ravenously hungry despite vomiting
  4. Lack of energy
  5. Fewer bowel movements
  6. Constipation
  7. Frequent, mucous stools

Diagnosis and investigations 

  1. Blood test
  2. Abdominal X-ray
  3. Abdominal ultrasound
  4. Barium swallow/upper GI class


Surgery is the only option to treat pyloric stenosis. The surgical procedure (Pyloromyotomy ) is often booked on a similar day as the finding. On the off chance that infant is de hydrated or has an electrolyte irregularity, the patient will have liquid substitution and correction of electrolytes before medical procedure. 

The basis of pyloromyotomy is to release the thickened muscles of the stomach, the surgeon divides the outside layer of the thickened pylorus muscle, permitting the internal lining to bulge out. This opens a channel for food to go through to the small intestine. Pyloromyotomy is done using minimally invasive medical procedure or open conventional surgical techniques in infants. 


Your infant may be given intravenous liquids for a couple of hours. You can begin taking care of your infant again inside 12 to 24 hours. Your child might want to feed more regularly. Some vomiting may continue for a couple of days.


Potential complications from pyloric stenosis medical procedure include bleeding and infection. 


Outcome of surgery is generally excellent and infant can lead a healthy life after surgery.

Consult the best team of General and paediatric surgeons available at The Surgeons House (SHL) in different global locations, please check the link for more details.

2020-06-26 02:33:14
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