Gastroparesis: Difference between revisions

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==Background==
==Background<ref>Parkman HP, Hasler WL, Fisher RS. American Gastroenterlogical Association technical review on the diagnosis and treatment of gastroparesis. Gastroenterology. 2004; 127(5): 1592-1622.</ref>==
*Symptomatic chronic stomach disorder characterized by delayed gastric emptying without mechanical obstruction  
*Chronic GI disorder characterized by delayed gastric emptying ''without'' mechanical obstruction  
*More common in women
*More common in women, presumed due to elevated progesterone
**Gastric motility reduced by progesterone
*Symptoms overlap with functional dyspepsia
*Vs. Functional dyspepsia
*Disease associated with reduced quality of life


==Causes of Non-obstructive delayed gastric emptying==
===Causes of Non-Obstructive Delayed Gastric Emptying===
*Idiopathic
*Idiopathic (most common)
*[[Diabetic mellitus]]
*[[Diabetes mellitus]]
*Postsurgical/Vagal nerve injury  
*Postsurgical/Vagal nerve injury  
*GI disorders associated with delated gastric emptying
*GI disorders associated with delayed emptying:
**[[GERD]]
**[[GERD]], [[Achalasia]]
**[[Achalasia]]
**Atrophic [[gastritis]], celiac disease
**Atrophic gastritis
**Functional [[dyspepsia]]
**Functional dyspepsia
**Hypertrophic [[pyloric stenosis]]
**Hypertrophic [[Pyloric stenosis]]
*Non-GI conditions/risk factors associated with delayed gastric emptying
**Celiac disease
**Medications: [[opioids]], [[anticholinergics]], [[PPI]]s, [[alcohol]], tobacco, progesterone
*Non-GI disorders associated with delayed gastric emptying
**Eating disorders: [[Anorexia nervosa]]
**Eating disorders: [[Anorexia]]
**[[Parkinson's disease]] and other neurologic disorders
**Neurologic disorders such as parkinson's  
**[[Collagen vascular disease]]
**Collagen vascular disorders
**Parathyroid/[[thyroid disorder]]
**Endocrine and metabolic disorders
**Chronic renal insufficiency  
***Thyroid/Parathyroid dysfunction
**Malignancy
***Chronic renal insufficiency  
**Ischemic gastroparesis
**Medication associated
***Most commonly used: Opioid analgesics, anticholinergics, progesterone, PPIs, alcohol, tobacco


==Clinical Features==
==Clinical Features==
*Symptons variable and include:
*Variable symptoms
**Early satiety  
*Early satiety, bloating, upper abdominal discomfort
**Nausea and vomiting
*[[Nausea/vomiting]]
**Bloating and upper abdominal discomfort
*[[Abdominal pain]] (''not'' predominant symptom)
**Abdominal pain (not predominant symptom)
*[[Dehydration]], [[malnutrition]] if longstanding disease
*Signs, long standing disease:
**Dehydration
**Malnourishment
*Functional dyspepsia- abdominal pain is the predominant symptom


==Differential Diagnosis==
==Differential Diagnosis==
===By organ system===
{{Nausea and vomiting DDX}}
====GI====
===Gastroparesis (by organ system)===
*[[Peptic ulcer disease]]
*GI
*Mechanical Obstruction
**[[Peptic ulcer disease]]
**Adhesion
**Mechanical Obstruction
**[[Small bowel obstruction]]/LBO
***Adhesion
**Gastric outlet obstruction/[[Pyloric stenosis]]
***[[Small bowel obstruction]]/LBO
**[[Volvulus]]
***Gastric outlet obstruction/[[Pyloric stenosis]]
**Strangulated hernia
***[[Volvulus]]
*[[Pancreatitis]]
***Strangulated [[hernia]]
*[[Appendicitis]]
**[[Pancreatitis]]
*[[Cholecystitis]]
**[[Appendicitis]]
*[[Cholangitis]]
**[[Cholecystitis]], [[Cholangitis]]
*[[Acute Hepatitis]]
**[[Acute Hepatitis]]
*IBD
**[[IBD]]
*[[Intussusception]]
**[[Intussusception]]
*Malignancy  
**Malignancy  
*[[Mesenteric ischemia]]
**[[Mesenteric ischemia]]
*Esophageal disorders (e.g. achalasia, GERD, [[esophagitis]]
**Esophageal disorders (e.g. [[achalasia]], [[GERD]], [[esophagitis]])
*Functional disorders
**Functional disorders such as [[Irritable Bowel Syndrome]]
**Psychogenic
*Neurologic
**[[IBS]]
**[[Cannabinoid hyperemesis syndrome]]
*Infectious
**[[Spontaneous bacterial peritonitis]]
**[[Urinary tract infection]]
**[[bacterial disease|Bacterial]] toxins, [[viruses]] ([[adenovirus]], [[norovirus]], [[rotavirus]])
*Drugs/Toxins
**[[Heavy metal toxicity]]
**[[Methanol toxicity]]
*Endocrine
**[[Diabetic ketoacidosis]]
**[[Thyroid disorder]]
**Parathyroid disorders
**[[Uremia]]
*Miscellaneous
**[[Anorexia nervosa]], [[Bulimia nervosa]]


====Neurologic====
==Evaluation==
*[[Cannabinoid hyperemesis syndrome]]
[[File:GastroparesisXray.jpg|thumb|Simple abdominal X-ray reveals a large amount of material in the stomach, suggesting severe gastric hypomotility.]]
 
*Definitive diagnosis of gastroparesis not typically made in ED
====Infectious====
**Gold standard is gastric emptying scintigraphy of a solid-phase meal
*Bacterial toxins
**Other studies assessing emptying: tests, upper GI barium study, ultrasound for changes in antral area
*[[SBP]]
*ED workup to exclude alternative diagnoses and complications (e.g. [[dehydration]], [[Electrolyte abnormalities]])
*[[UTI]]
*CBC, BMP, [[LFTs]], lipase
*Viruses (adeno, norwalk, rota
*[[Urinalysis]], uHCG
 
*Consider:
====Drugs/Toxins====
**[[ECG]] (if >50 or at risk for cardiac disease)
*Heavy metal poisoning
**[[RUQ US]]
*Methanol poisoning
**[[Acute abdominal series]] including an upright CXR (if risk for perforated ulcer)
**CT abdomen/pelvis to rule out obstruction
**Upper endoscopy or radiographic upper GI series to exclude mechanical obstruction or ulcer disease


====Endocrine====
==Management==
*[[DKA]]
===ED Management===
*Thyroid/parathyroid disorders
*[[IVF]], [[Electrolyte repletion]]
*[[Uremia]]
*[[Antiemetics]]
**Dopamine receptor antagonists: [[Haloperidol]], [[Prochlorperazine]], [[promethazine]], trimethobenzamide
***[[Haloperidol]] has been shown to reduce the rate of admission and morphine equivalent doses of analgesia<ref>Ramirez R, Stalcup P, Croft B, Darracq MA. Haloperidol undermining gastroparesis symptoms (HUGS) in the emergency department. Am J Emerg Med. 2017;35(8):1118-1120. doi:10.1016/j.ajem.2017.03.015</ref>
**[[Ondansetron]]
*Prokinetic agents: enhance gut contractility
**[[Metoclopramide]]  
***Also has antiemetic properties
***PRN and/or standing dose prior to meals and bedtime
**[[Erythromycin]] 125-350mg TID or QID
*Refractory disease:
**[[Nasogastric tube]] to decompress stomach
**Advanced therapies (not in ED) may include: placement of jejunostomy and/or [[G-tube complications|gastrostomy tube]], pyloric injection of botulinum toxin, [[Gastric pacemaker complication|gastric electric stimulation]]
*Prevention of future exacerbations:
**Review medications,  [[opioids]], [[anticholinergics]], [[PPI]]s may worsen or trigger symptoms
**Avoid carbonated beverages, [[alcohol]], and [[tobacco]]
**Optimize glycemic control in patients with [[diabetes]] ([[hyperglycemia]] alone can delay gastric emptying)
**Dietary: smaller but more frequent meals, minimize fat/fiber, increase liquid nutrient component


====Miscellaneous====
==Complications==
*Anorexia/bulimia
*[[Acute Gastric Dilation]]
*Depression
*[[Esophagitis]], [[Mallory-Weiss tear]]
 
*[[Bezoar]]
==Evaluation==
*[[Dehydration]], [[malnutrition]], [[electrolyte abnormalities]]
*Diagnosed by demonstrating delayed gastric emptying in a symptomatic patient after other etiologies are excluded
*Initial diagnosis requires exclusion of other etiologies and may include an upper endoscopy or gastrointestinal series


==Disposition==
==Disposition==
*Discharge with outpatient follow up unless:
**Inability to tolerate PO
**Need for ongoing IV rehydration, electrolyte correction, and/or glycemic control


==See Also==
==See Also==
*[[Diabetes mellitus]]
*[[Nausea/vomiting]]


==External Links==
==External Links==
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==References==
==References==
<references/>
<references/>
[[Category:GI]]

Latest revision as of 00:49, 1 February 2024

Background[1]

  • Chronic GI disorder characterized by delayed gastric emptying without mechanical obstruction
  • More common in women, presumed due to elevated progesterone
  • Symptoms overlap with functional dyspepsia

Causes of Non-Obstructive Delayed Gastric Emptying

Clinical Features

Differential Diagnosis

Nausea and vomiting

Critical

Emergent

Nonemergent

Gastroparesis (by organ system)

Evaluation

Simple abdominal X-ray reveals a large amount of material in the stomach, suggesting severe gastric hypomotility.
  • Definitive diagnosis of gastroparesis not typically made in ED
    • Gold standard is gastric emptying scintigraphy of a solid-phase meal
    • Other studies assessing emptying: tests, upper GI barium study, ultrasound for changes in antral area
  • ED workup to exclude alternative diagnoses and complications (e.g. dehydration, Electrolyte abnormalities)
  • CBC, BMP, LFTs, lipase
  • Urinalysis, uHCG
  • Consider:
    • ECG (if >50 or at risk for cardiac disease)
    • RUQ US
    • Acute abdominal series including an upright CXR (if risk for perforated ulcer)
    • CT abdomen/pelvis to rule out obstruction
    • Upper endoscopy or radiographic upper GI series to exclude mechanical obstruction or ulcer disease

Management

ED Management

Complications

Disposition

  • Discharge with outpatient follow up unless:
    • Inability to tolerate PO
    • Need for ongoing IV rehydration, electrolyte correction, and/or glycemic control

See Also

External Links

References

  1. ↑ Parkman HP, Hasler WL, Fisher RS. American Gastroenterlogical Association technical review on the diagnosis and treatment of gastroparesis. Gastroenterology. 2004; 127(5): 1592-1622.
  2. ↑ Ramirez R, Stalcup P, Croft B, Darracq MA. Haloperidol undermining gastroparesis symptoms (HUGS) in the emergency department. Am J Emerg Med. 2017;35(8):1118-1120. doi:10.1016/j.ajem.2017.03.015
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