Case Study 102 Pyloric Stenosis
Hospital Index Words: pyloric stenosis, assessment, preoperative care,
postoperative care, parental support, care of hospitalized child, resource
management, dehydration, metabolic alkalosis, parental education
What is pyloric stenosis?
the muscles in this part of the stomach enlarge, narrowing the opening of the pylorus and
eventually preventing food from moving from the stomach to the intestine.
Describe the causes for pyloric stenosis.
Multifactorial inheritance means that many factors are involved in causing a birth defect;
pyloric stenosis is four times more common in males than females
Describe the pathophysiology of pyloric stenosis.
Marked hypertrophy and hyperplasia of both the circular and longitudinal muscular
layers of the pylorus. This thickening leads to the narrowing of the lumen of the gastric
antrum.
The pyloric canal becomes lengthened. The muscles of the pylorus become thickened.
Describe complications associated with pyloric stenosis.
Dehydration, weight loss/ FTT
Scenario S.B. is the only child of Mr. and Mrs. B. The family has been living
out of their car for the past 2 months; Mr. B. lost his job 2 weeks after S.B.’s
birth and looks for work every day. Mrs. B. takes advantage of the good
weather and spends most of the day playing with S.B. in the park. As the
triage nurse in the emergency department (ED), you ask why they have
brought S.B. to the hospital. Mrs. B. states that S.B. breast fed well for the
first couple of weeks, but since then “throws up all the time like he’s forcing
all his feedings out. He looks skinny and sick, and he cries and is fussy all
the time.”
1. What additional information will you need to obtain from Mr. and Mrs. B.?
2.
What was the birth weight, how Manu diapers the baby has during
Hospital Index Words: pyloric stenosis, assessment, preoperative care,
postoperative care, parental support, care of hospitalized child, resource
management, dehydration, metabolic alkalosis, parental education
What is pyloric stenosis?
the muscles in this part of the stomach enlarge, narrowing the opening of the pylorus and
eventually preventing food from moving from the stomach to the intestine.
Describe the causes for pyloric stenosis.
Multifactorial inheritance means that many factors are involved in causing a birth defect;
pyloric stenosis is four times more common in males than females
Describe the pathophysiology of pyloric stenosis.
Marked hypertrophy and hyperplasia of both the circular and longitudinal muscular
layers of the pylorus. This thickening leads to the narrowing of the lumen of the gastric
antrum.
The pyloric canal becomes lengthened. The muscles of the pylorus become thickened.
Describe complications associated with pyloric stenosis.
Dehydration, weight loss/ FTT
Scenario S.B. is the only child of Mr. and Mrs. B. The family has been living
out of their car for the past 2 months; Mr. B. lost his job 2 weeks after S.B.’s
birth and looks for work every day. Mrs. B. takes advantage of the good
weather and spends most of the day playing with S.B. in the park. As the
triage nurse in the emergency department (ED), you ask why they have
brought S.B. to the hospital. Mrs. B. states that S.B. breast fed well for the
first couple of weeks, but since then “throws up all the time like he’s forcing
all his feedings out. He looks skinny and sick, and he cries and is fussy all
the time.”
1. What additional information will you need to obtain from Mr. and Mrs. B.?
2.
What was the birth weight, how Manu diapers the baby has during
