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Understanding Pyloric Stenosis Surgery

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Written by Dr. Md Yusuf Shareef

Reviewed by Dr. M L Ezhilarasan MBBS

Last updated on 7th Aug, 2025

Pyloric Stenosis Surgery

Pyloric stenosis is a condition that affects infants, causing difficulty in feeding and digestion. If your baby has been diagnosed with this condition, you may be feeling worried or overwhelmed. This article will help you understand pyloric stenosis, its symptoms, causes, and the surgical treatment involved. We’ll also provide tips on post-surgery care and recovery to ensure your little one gets back to good health.

What is Pyloric Stenosis?

Pyloric stenosis occurs when the pylorus—the muscle at the lower part of the stomach that connects to the small intestine—becomes abnormally thick. This thickening blocks the passage of food from the stomach into the intestines, leading to forceful vomiting, dehydration, and poor weight gain in babies.

Who Does It Affect?

  • Most commonly seen in infants between 2-8 weeks old.
  • More frequent in first-born male babies.
  • Rarely occurs after 6 months of age.

Symptoms of Pyloric Stenosis

If your baby is showing the following signs, consult a pediatrician immediately:

  • Projectile vomiting (forceful vomiting that shoots out) after feeding.
  • Hunger after vomiting—your baby may want to feed again right away.
  • Dehydration (fewer wet diapers, sunken soft spot on the head, dry mouth).
  • Weight loss or poor weight gain.
  • Constipation (less frequent bowel movements).

Causes of Pyloric Stenosis

The exact cause is unknown, but possible factors include:

  • Genetics: Babies with a family history are more likely to develop it.
  • Environmental factors: Certain medications or feeding habits may contribute.
  • Muscle overgrowth: The pylorus muscle thickens abnormally, blocking food passage.

Diagnosis

If pyloric stenosis is suspected, the doctor may recommend:

1. Physical Exam: The doctor may feel a small, olive-shaped lump in the baby’s abdomen.
2. Ultrasound: Confirms thickened pylorus muscle.
3. Blood Tests: Checks for dehydration or electrolyte imbalances.

Pyloric Stenosis Surgery (Pyloromyotomy)

The only effective treatment for pyloric stenosis is a pyloromyotomy, a minor surgical procedure that relieves the blockage.

What Happens During Surgery?

  • General anesthesia is given to ensure the baby sleeps through the procedure.
  • The surgeon makes a small incision (cut) near the belly button or uses laparoscopy (tiny camera-guided cuts).
  • The thickened muscle is split to allow food to pass easily.
  • The procedure usually takes less than an hour.

Is Surgery Safe?

Yes, pyloromyotomy is a low-risk and highly successful surgery with a quick recovery.

Recovery After Surgery

Most babies recover quickly, but here’s what to expect:

Immediate Post-Surgery Care

  • Feeding resumes slowly: Your baby may start with small amounts of clear fluids (like sugar water) before moving to breast milk or formula.
  • Hospital stay: Usually 1-2 days for monitoring.
  • Mild discomfort: Pain relief medications may be given if needed.

Consult Top Doctors

Dr. Rajesh Jha, Paediatrician

Dr. Rajesh Jha

Paediatrician

10 Years • M.B.B.S., D.N.B.(Pediatrics)

Noida

Apollo Hospitals Sector 26, Noida

recommendation

92%

(50+ Patients)

800

120 Cashback

1200

No Booking Fees

Dr Yaja Jebaying, Paediatric Gastroenterologist

Dr Yaja Jebaying

Paediatric Gastroenterologist

9 Years • MBBS, MD PEDIATRICS, FELLOWSHIP PEDIATRIC GASTROENTEROLOGY AND HEPATOLOGY AND LIVER TRANSPLANTATION

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

86%

(25+ Patients)

1000

150 Cashback

1500

No Booking Fees

Dr. Dinesh Kumar Chandak, Paediatrician

Dr. Dinesh Kumar Chandak

Paediatrician

10 Years • MBBS,MD PAEDIATRICS

Barasat

Diab-Eat-Ease, Barasat

recommendation

86%

(50+ Patients)

625

Dr. Ravindranath S, Paediatrician

Dr. Ravindranath S

Paediatrician

25 Years • MBBS, DCH

Bengaluru

S R Child and Family Health Care, Bengaluru

750

600

Dr. Navin Jain, Paediatrician

Dr. Navin Jain

Paediatrician

33 Years • MBBS, DCH

Haralur

KOSMODENT DENTAL STUDIO, Haralur

938

750

At-Home Care Tips

  • Follow feeding instructions: Start with small, frequent feeds.
  • Watch for vomiting: Some spitting up is normal, but forceful vomiting should be reported.
  • Keep the incision clean and dry: Avoid baths until the doctor approves.
  • Monitor weight gain: Regular check-ups ensure proper recovery.

When to Call the Doctor

Contact your pediatrician if your baby:

  • Has fever (above 100.4°F or 38°C).
  • Shows signs of infection (redness, swelling, or pus at the incision site).
  • Vomits repeatedly after feeding.
  • Refuses to eat or seems excessively sleepy.

Long-Term Outlook

Most babies recover fully after surgery with no long-term complications. They can eat, grow, and develop normally.

Prevention

Since the exact cause is unknown, prevention isn’t always possible. However, early diagnosis and treatment can prevent severe dehydration and malnutrition.

When to Seek Help

If your baby shows symptoms of pyloric stenosis, consult a pediatrician immediately. Early treatment ensures a smooth recovery.

Need Expert Advice?

If you suspect your baby has pyloric stenosis, book a consultation with a pediatric specialist on Apollo 24|7 for quick diagnosis and care.

Conclusion

Pyloric stenosis can be scary for parents, but with timely surgery and proper care, babies recover well. Stay observant, follow medical advice, and trust that your little one will soon be back to happy, healthy feeding.

Got concerns about your baby’s health? Schedule a pediatric consultation today on Apollo 24|7 for expert guidance.

Consult Top Doctors

Dr. Rajesh Jha, Paediatrician

Dr. Rajesh Jha

Paediatrician

10 Years • M.B.B.S., D.N.B.(Pediatrics)

Noida

Apollo Hospitals Sector 26, Noida

recommendation

92%

(50+ Patients)

800

120 Cashback

1200

No Booking Fees

Dr Yaja Jebaying, Paediatric Gastroenterologist

Dr Yaja Jebaying

Paediatric Gastroenterologist

9 Years • MBBS, MD PEDIATRICS, FELLOWSHIP PEDIATRIC GASTROENTEROLOGY AND HEPATOLOGY AND LIVER TRANSPLANTATION

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

86%

(25+ Patients)

1000

150 Cashback

1500

No Booking Fees

Dr. Dinesh Kumar Chandak, Paediatrician

Dr. Dinesh Kumar Chandak

Paediatrician

10 Years • MBBS,MD PAEDIATRICS

Barasat

Diab-Eat-Ease, Barasat

recommendation

86%

(50+ Patients)

625

Dr. Ravindranath S, Paediatrician

Dr. Ravindranath S

Paediatrician

25 Years • MBBS, DCH

Bengaluru

S R Child and Family Health Care, Bengaluru

750

600

Dr. Navin Jain, Paediatrician

Dr. Navin Jain

Paediatrician

33 Years • MBBS, DCH

Haralur

KOSMODENT DENTAL STUDIO, Haralur

938

750

Consult Top Doctors

Dr. Rajesh Jha, Paediatrician

Dr. Rajesh Jha

Paediatrician

10 Years • M.B.B.S., D.N.B.(Pediatrics)

Noida

Apollo Hospitals Sector 26, Noida

recommendation

92%

(50+ Patients)

800

120 Cashback

1200

No Booking Fees

Dr Yaja Jebaying, Paediatric Gastroenterologist

Dr Yaja Jebaying

Paediatric Gastroenterologist

9 Years • MBBS, MD PEDIATRICS, FELLOWSHIP PEDIATRIC GASTROENTEROLOGY AND HEPATOLOGY AND LIVER TRANSPLANTATION

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

86%

(25+ Patients)

1000

150 Cashback

1500

No Booking Fees

Dr. Dinesh Kumar Chandak, Paediatrician

Dr. Dinesh Kumar Chandak

Paediatrician

10 Years • MBBS,MD PAEDIATRICS

Barasat

Diab-Eat-Ease, Barasat

recommendation

86%

(50+ Patients)

625

Dr. Ravindranath S, Paediatrician

Dr. Ravindranath S

Paediatrician

25 Years • MBBS, DCH

Bengaluru

S R Child and Family Health Care, Bengaluru

750

600

Dr. Navin Jain, Paediatrician

Dr. Navin Jain

Paediatrician

33 Years • MBBS, DCH

Haralur

KOSMODENT DENTAL STUDIO, Haralur

938

750

Consult Top Doctors

Dr. Rajesh Jha, Paediatrician

Dr. Rajesh Jha

Paediatrician

10 Years • M.B.B.S., D.N.B.(Pediatrics)

Noida

Apollo Hospitals Sector 26, Noida

recommendation

92%

(50+ Patients)

800

120 Cashback

1200

No Booking Fees

Dr Yaja Jebaying, Paediatric Gastroenterologist

Dr Yaja Jebaying

Paediatric Gastroenterologist

9 Years • MBBS, MD PEDIATRICS, FELLOWSHIP PEDIATRIC GASTROENTEROLOGY AND HEPATOLOGY AND LIVER TRANSPLANTATION

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

86%

(25+ Patients)

1000

150 Cashback

1500

No Booking Fees

Dr. Dinesh Kumar Chandak, Paediatrician

Dr. Dinesh Kumar Chandak

Paediatrician

10 Years • MBBS,MD PAEDIATRICS

Barasat

Diab-Eat-Ease, Barasat

recommendation

86%

(50+ Patients)

625

Dr. Ravindranath S, Paediatrician

Dr. Ravindranath S

Paediatrician

25 Years • MBBS, DCH

Bengaluru

S R Child and Family Health Care, Bengaluru

750

600

Dr. Navin Jain, Paediatrician

Dr. Navin Jain

Paediatrician

33 Years • MBBS, DCH

Haralur

KOSMODENT DENTAL STUDIO, Haralur

938

750

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