Disorders of the Esophagus - Exam 3 Flashcards
What is the technical term for heartburn?
pyrosis
Describe heartburn. Where does it radiate?
The feeling of substernal burning
often radiates into the neck
What is the process for swallowing?
elevation of the tongue
closure of the nasopharynx
relaxation of the upper esophageal sphincter
closure of the airway
pharyngeal peristalsis
What is Oropharyngeal Dysphagia? What are some s/s? What will the pt complain of/ characterized by?
Problems with the oral phase of swallowing cause
drooling or spillage of food from the mouth, inability to chew or initiate swallowing, or dry mouth
an immediate sense of the bolus catching in the neck, the need to swallow repeatedly to clear food from the pharynx, or coughing / choking during meals
What are the 2 different types of esophageal dysphagias? How can you tell the difference between the 2?
mechanical obstruction: usually just solids
-> recurrent and predictable
motility disorders: BOTH solids and liquids
-> episodic and unpredictable
What is odynophagia? What does it reflect?
Sharp substernal pain on swallowing that may limit oral intake
Usually reflects severe erosive disease
odynophagia is most commonly associated with infectious esophagitis due to _________, _______ or _______. especially in ______pt
Candida, herpes viruses, or CMV
especially in immunocompromised patients
Odynophagia that is not infectious can also be due to _______. What was the example Adkins gave in class? What medication?
corrosive injury due to caustic ingestions and by pill-induced ulcers
button batteries are especially known for causing this!
fosfomax
What are the 2 MC complaints associated with GERD? What is the timing?
heartburn and regurgitation
occurs 30–60 minutes after meals and upon reclining
What are the 3 most common pathophys reasons GERD happens?
- Transient lower esophageal sphincter relaxation
aka increase in relaxation leads to increase in acid that comes into esophagus
- Anatomic disruption if GE Junction
aka the junction does NOT close properly
- Hypotensive lower esophageal sphincter
aka disruption of normal pressure
Which mechanism is responsible for the action of belching?
Transient lower esophageal sphincter relaxation that allows gas to leave
What factors reduce the lower esophageal sphincter pressure?
gastric distention
smoking
certain foods
medications
GERD severity is ______ with the degree of tissue damage
NOT correlated
aka pt can have minor symptoms with SEVERE disease
What are some atypical or extraesophageal manifestations of GERD?
Asthma, chronic cough, chronic laryngitis, sore throat, non-cardiac chest pain, and sleep disturbances
**What are the alarm features that would require additional work-up for GERD?
What is the diagnostic imaging for GERD? When NOT on PPI therapy, what can be seen?
Esophagogastroduodenoscopy or EGD
visible mucosal damage (known as reflux esophagitis
What is the pt education needed before a pt has an EGD?
Need to stop PPI 1 week before EGD
_____ are found in 3/4 of patients with severe erosive esophagitis and over 90% with _______
Hiatal Hernia
barrett esophagus
What are hiatal hernias caused by?
Caused by movement of the lower esophageal sphincter above the diaphragm which results in dysfunction of the gastroesophageal junction reflux barrier
What are the 2 different types of hiatal hernias? briefly describe each. Which one is MC?
**sliding hiatal hernia: Widening of the muscular hiatal tunnel and circumferential laxity of the phrenoesophageal membrane allow a portion of the gastric cardia to herniate upward
aka it slides UP in the same direction of the esophagus
Paraesophageal Hernias: Are associated with abnormal laxity of the gastrosplenic and gastrocolic ligaments, which normally prevent displacement of the stomach
aka it slides up to the SIDE of the esophagus
**sliding hernia is MC of the 2- 95% of the hernia as this kind
Paraesophageal Hernias are associated with abnormal laxity of the ______ and _____ ligaements that hold the stomach in place. What part of the stomach is displaced?
gastrosplenic and gastrocolic ligaments
As the hernia enlarges, the greater curvature of the stomach rolls up into the thorax
What are the risk factors for a hiatal hernia? **What are the 2 major ones?
age 50 and older
obesity
injury to the area
being born with an unusually large hiatus
persistent and intense pressure on the surrounding muscles (coughing, vomiting, straining, pregnancy)
_____ are common and may cause no symptoms and are associated with higher amounts of _____ and delayed ________. What does it lead to?
Sliding Hiatal Hernia
acid reflux
delayed esophageal acid clearance
leading to more severe esophagitis and Barrett esophagus
Paraesophageal Hernia may be asymptomatic or present with s/s including ????? GERD symptoms (more/less) prevalent when compared to pts with sliding hiatal hernias
epigastric or substernal pain, postprandial fullness, nausea, and retching
paraesophageal have LESS GERD s/s than sliding
In Barrett’s esophagus ,______ of the esophagus is replaced by _______ from the stomach
squamous epithelium
metaplastic columnar epithelium
What will Barrett’s esophagus look like on endoscopy? How do you confirm dx?
presence of salmon-orange colored, gastric type epithelium that extends upward from the stomach into the distal tubular esophagus in a circumferential fashion
bx obtained during endoscopy
In patients known to have Barrett esophagus, but no dysplasia, how often do you need to do an EGD?
surveillance endoscopy every 3–5 years
What is the f/u requirements for patients with low-grade dysplasia?
Resect any areas of dysplasia, then repeat endoscopic surveillance in 6 months to exclude any areas of dysplasia, then endoscopic surveillance should be repeated yearly until non-dysplastic Barrett’s exist
What is the f/u requirements for patients with high-grade dysplasia?
Resect all areas, then repeat EGD as soon as possible to exclude any other areas
Repeat at 3, 6, and 12 months
then yearly for 5 years, then every 3-5 years
What is considered mild, intermittent GERD? What is the tx?
fewer than 2 episodes per week, no esophagitis)
lifestyle modifications
antacids or oral H2 receptor antagonists (cimetidine, nizatidine, famotidine) all found OTC
What are the GERD lifestyle modifications?
eating smaller meals
eliminating acidic foods or trigger foods
weight loss
avoid lying down within 3 hours after meals
**______ MOA decrease gastric acid secretion by reversibly binding to _____ receptors located on gastric parietal cells
oral H2 receptor antagonists
histamine H2
When oral H2 receptors are taken for active heartburn, how long does it take to go into effect? How long do they provide relief for?
these agents have a delay in onset of at least 30 minutes
provide heartburn relief for up to 8 hours.
When is PPI therapy warranted?
when a patients fails BID H2RA therapy/Lifestyle modifications by consistently having 2-3 more episodes per week and symptoms that impair quality of life
**______ MOA inhibit gastric acid secretion by irreversibly binding to and inhibiting the hydrogen-potassium ATPase pump
PPI
What is the pt education for PPIs?
Taken 30 minutes before breakfast for approx 4-8 weeks
needs to be taking once daily
In those who achieve good symptomatic relief with a course of empiric once-daily proton pump inhibitor, therapy may be discontinued ______. More than likely will come back within ______
after 8–12 weeks
within 3 months
How do you tx patients whose GERD symptoms relapse? What about in patients who do NOT have erosive esophagitis?
continuous proton pump inhibitor therapy, in intermittent 8 week courses
twice daily H2-receptor antagonists may be used to control symptoms
When should long-term PPI therapy (QD or BID) be initiated indefinitely?
pts with severe erosive esophagitis
or
pts with Barrett’s esophagus
**What are the potential risks of long-term PPI use?
Increased risk of infectious gastroenteritis (including C difficile)
Iron and vitamin B12 deficiency
Hypomagnesemia
Hip fractures (possibly due to impaired insoluble calcium absorption)
Dementia ??
What is the name of the new GERD drug that was just approved in July 2024?
Vonoprazan
When should surgical treatment be considered an option for pts with GERD?
(1) patients with extraesophageal manifestations of reflux, may be more effectively controlled with antireflux surgery;
(2) those with severe reflux disease unwilling to accept lifelong medical therapy
(3) patients with large hiatal hernias and persistent regurgitation despite PPI therapy
What is a surgical fundoplication?
passage of the gastric fundus behind the esophagus to encircle the distal 6cm of esophagus
helps to restore a physiologic equivalent to the normal LES
Who is the linx system a good option for?
For patients with a hiatal hernia less than 3 cm in size
magnets open with pressure to to act like a lower esophageal sphincter
When do you need to refer a pt with GERD to GI?
Typical GERD whose symptoms do not resolve with empiric management with a twice-daily proton pump inhibitor.
Suspected extraesophageal GERD symptoms that do not resolve with 3 months of twice-daily proton pump inhibitor therapy.
Significant dysphagia or other alarm symptoms for upper endoscopy.
Barrett esophagus with dysplasia or early mucosal cancer.
Surgical fundoplication is considered
_____ is the most serious complication of Barrett Esophagus. What type? What part of the esophagus is involved?
Esophageal Carcinoma
adenocarcinoma
distal third of the esophagus
Chronic alcohol and tobacco use more than likely will get _______ carcinoma. In what part of the esophagus?
squamous cell carcinoma
middle esophagus
How does esophageal cancer present?
Over 90% have solid food dysphagia, with some odynophagia,
significant weight loss is common
coughing, chest or back pain
_______ establishes the diagnosis of esophageal carcinoma with a high degree of reliability
Endoscopy with biopsy
What are the 2 general classifications for esophageal cancer?
Therapy for “Curable” Disease
Therapy for Incurable Disease
What is the tx for Therapy for “Curable” Disease esophageal cancer?
Surgery with or without chemoradiation therapy
What is the tx for Therapy for Incurable Disease for esophageal cancer?
Chemotherapy or chemoradiation; Local therapy for esophageal obstruction