Pyloric Stenosis: Everything You Should Know

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Pyloric stenosis occurs when the pylorus, which joins the stomach with the duodenum, narrows. Babies between the ages of 2 and 8 weeks are most commonly affected.

The pylorus narrows progressively and worsens until food and water from the stomach are unable to pass through to the duodenum. Vomiting, dehydration, weight loss, and a constant desire to eat are all possible symptoms of this illness.

Pyloric stenosis is a disorder that affects just a small percentage of the population. Only a few newborns in every 1000 are born with this syndrome.

Pyloric stenosis can be caused by many factors:

Genetic and environmental factors are thought to play a role in this illness. Some variables that enhance the likelihood of pyloric stenosis in a baby include:


Pyloric stenosis is more common in boys than in females, especially in their first year of life.

Birthing too soon:

Premature newborns are more likely than normal-born babies to develop pyloric stenosis.

Antibiotics are prescribed:

Antibiotics given to babies at a young age, such as to treat whooping cough, or antibiotics taken by the mother at the conclusion of her pregnancy, can cause pyloric stenosis in the baby.

Pyloric stenosis symptoms include:

The pylorus acts as a barrier, allowing food, stomach acid, fluids, and other gastric contents to be retained before being digested and absorbed in the duodenum.

Food and other gastric contents cannot pass through the pylorus into the duodenum when it is constricted. As a result, newborns may show signs like:

The baby could seem to be vomiting normally at first. However, as the pylorus narrows, the vomit might be violently spurted, mixed with blood in certain cases.

The infant will become hungry again after vomiting and will exhibit signs of wanting to breastfeed.

Signs of dehydration include non-tearing sobbing, dry skin, sunken eyes and head, and decreased urination frequency, as evidenced by the mother's few diaper changes.

Blocking food from entering the intestines can result in a reduction in bowel movement frequency, changes in stool form, or even constipation.

Wavy movements in the upper belly (peristalsis) after the baby has ingested milk but before the baby vomits are signs of gastric contractions.

Pyloric stenosis is a dangerous ailment that requires prompt treatment. If your infant exhibits the above symptoms, as well as a number of others, such as being less active than normal, crying frequently, or being tired more frequently, you should seek medical attention right once.

A Diagnostic Conditions for pyloric stenosis:

In order to make a diagnosis, the doctor will ask the parents questions regarding the baby's food and symptoms.

The doctor will then do a physical examination to establish the baby's weight as well as his or her growth and development. The infant will also be examined to discover if he or she shows indications of dehydration. On the baby's tummy, the doctor will look for a bump the size of an olive that could indicate pylorus muscle hypertrophy.

An abdominal ultrasound examination will be performed to see the state of the organs and tissues in the baby's stomach, which will help the doctor make a more precise diagnosis. To gain a clearer picture of the pylorus, X-rays of the esophagus, stomach, and duodenum with barium dye (contrast dye) may be used.

Blood testing may be used to identify if the newborn has electrolyte problems in some circumstances.

The management of pyloric stenosis:

Pyloric stenosis is a medical condition that does not heal on its own and requires treatment. To avoid the disease from worsening, it is critical to start therapy as soon as feasible. Treatment is determined by the patient's age and overall health status, as well as the symptoms they are experiencing.

Dehydration can have devastating consequences, especially in babies. If the baby is dehydrated, the doctor will use an IV to administer fluids and nutrients.

After that, the thicker outer layer of the pyloric muscle will be severed with a pyloromyotomy procedure. This permits the pyloric muscle's inner lining to protrude, allowing gastric contents to flow through to the duodenum.

Pyloromyotomy is typically done laparoscopically. A small incision is made in the baby's abdomen to perform this surgery. Postoperative recovery may be sped up with the laparoscopic method.

Pyloric stenosis surgery takes around an hour, but babies must stay in the hospital for 1–2 days to recuperate. Nutritional fluids will be provided through an IV for several hours after surgery, until the infant can breastfeed again.

However, your infant may vomit for a few days after surgery. The condition will improve on its own once the stomach begins to function regularly again. The doctor will also prescribe pain medication to help you recover from your surgery.

Pyloric stenosis only occurs in a small percentage of people. Babies who have had surgery usually recover and do not have any long-term consequences.

Pyloric stenosis considerations:

Failure to thrive and gastrointestinal discomfort can occur if pyloric stenosis is not treated promptly. Pyloric stenosis can cause jaundice (jaundice), a disorder marked by yellowing of the eyes and skin caused by an accumulation of bilirubin generated by the liver.

Phyloric stenosis prevention:

There is currently no technique to avoid pyloric stenosis because the specific etiology is unknown. Avoiding variables that enhance your likelihood of acquiring this condition, such as:

Smoking should be avoided at all costs, especially while pregnant.

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