General Information
DEFINITION--A group of symptoms that are a complication of surgical removal of
all or part of the stomach. Most patients experience the problem to a minor degree for 1
to 6 months after surgery. It becomes a serious problem in 1% or 2% of patients. The
symptoms are of 2 types--early dumping syndrome and late dumping syndrome. Symptoms of the
first begin a few minutes to 45 minutes after every meal. Symptoms of the second begin 2
to 3 hours after eating. Most persons experience late dumping syndrome--one person does
not have both forms.
BODY PARTS INVOLVED--Gastrointestinal system; cardiovascular system.
SEX OR AGE MOST AFFECTED--Both sexes of adults following surgery on the stomach.
SIGNS & SYMPTOMS
Early dumping syndrome:
- Weakness and fainting.
- Sweating.
- Irregular or rapid heartbeat.
- Decreased blood pressure.
- Flushing of skin.
- Dizziness.
- Shortness of breath.
- Vomiting.
- Explosive diarrhea and abdominal cramps.
Late dumping syndrome:
- Sweating, anxiety and tremors.
- Exhaustion and faintness.
- Decreased blood pressure.
- Headache.
CAUSES
> Early dumping syndrome: Rapid entry of food and fluids directly into the small
intestine, producing decreased blood pressure and increased blood flow to the intestines.
> Late dumping syndrome: Low blood sugar caused by excess insulin produced in
response to sudden dumping of food and fluids into the intestine.
RISK INCREASES WITH--The larger the amount of stomach removed, the more severe
the dumping syndrome.
HOW TO PREVENT--Some degree cannot be prevented, but recurrence and severity can
be minimized with dietary changes (see Diet).
What To Expect
DIAGNOSTIC MEASURES--
- Your own observation of symptoms.
- Medical history and physical exam by a doctor.
- Laboratory studies of blood sugar levels.
APPROPRIATE HEALTH CARE
- Self-care after diagnosis.
- Doctor's treatment.
POSSIBLE COMPLICATIONS
- Malnutrition and weight loss.
- Anxiety.
PROBABLE OUTCOME--Spontaneous recovery for most patients. Early dumping syndrome
usually lasts 3 to 4 months. Late dumping syndrome usually lasts 1 year, but it may
persist for many years.
How To Treat
GENERAL MEASURES--
- Early syndrome: Lie down for 45 minutes until symptoms pass.
- Late syndrome: Eat small amounts of sugar candy or drink sweetened orange juice.
MEDICATION--Your doctor may prescribe:
- Anticholinergics to block the dumping-syndrome reflex.
- Pectin to reduce the severity of diarrhea.
- Vitamin and mineral supplements to compensate for poor absorption.
ACTIVITY--
- Between symptoms: no restrictions.
- With symptoms: rest until they pass.
DIET--
- Early dumping syndrome: Diet control is the most important treatment. Eat a diet low in
sugar and other simple carbohydrates. Increase fat and protein consumption. Eat 6 small,
evenly spaced meals a day. Take meals dry--without water or beverages--and drink fluids
only between meals.
- Late dumping syndrome: Avoid refined sugar.
Call Your Doctor If
- You have symptoms of dumping syndrome not relieved by measures outlined above.
- You vomit blood, have black, tarry stools or other signs of gastrointestinal bleeding.
- New, unexplained symptoms develop. Drugs used in treatment may produce side effects.
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