Gastroesophageal Reflux Disease Clinical Presentation
- Author: Marco G Patti, MD; Chief Editor: Julian Katz, MD more...
History
Gastroesophageal reflux disease (GERD) is associated with a set of typical (esophageal) symptoms, including heartburn, regurgitation, and dysphagia. (However, a diagnosis of GERD based on the presence of typical symptoms is correct in only 70% of patients.) In addition to these typical symptoms, abnormal reflux can cause atypical (extraesophageal) symptoms, such as coughing, chest pain, and wheezing.
The American College of Gastroenterology (ACG) published updated guidelines for the diagnosis and treatment of GERD in 2005. According to the guidelines, for patients with symptoms and history consistent with uncomplicated GERD, the diagnosis of GERD may be assumed and empirical therapy begun. Patients who show signs of GERD complications or other illness or who do not respond to therapy should be considered for further diagnostic testing.[24]
A history of nausea, vomiting, or regurgitation should alert the physician to evaluate for delayed gastric emptying.
Patients with GERD may also experience significant complications associated with the disease, such as esophagitis, stricture, and Barrett esophagus. Approximately 50% of patients with gastric reflux develop esophagitis.
Physical Examination
Typical esophageal symptoms
Heartburn is the most common typical symptom of GERD. It is felt as a retrosternal sensation of burning or discomfort that usually occurs after eating or when lying supine or bending over.
Regurgitation is an effortless return of gastric and/or esophageal contents into the pharynx. Regurgitation can induce respiratory complications if gastric contents spill into the tracheobronchial tree.
Dysphagia occurs in approximately one third of patients. Patients with dysphagia experience a sensation that food is stuck, particularly in the retrosternal area. Dysphagia can be an advanced symptom and can be due to a primary underlying esophageal motility disorder, a motility disorder secondary to esophagitis, or stricture formation.
Atypical extraesophageal symptoms
Coughing and/or wheezing are respiratory symptoms resulting from the aspiration of gastric contents into the tracheobronchial tree or from the vagal reflex arc producing bronchoconstriction. Approximately 50% of patients who have GERD-induced asthma do not experience heartburn.
Hoarseness results from irritation of the vocal cords by gastric refluxate and is often experienced by patients in the morning.
Reflux is the most common cause of noncardiac chest pain, accounting for approximately 50% of cases. Patients can present to the emergency department with pain resembling a myocardial infarction. Reflux should be ruled out (using esophageal manometry and 24-hour pH testing if necessary; see the image below) once a cardiac cause for the chest pain has been excluded. Alternatively, a therapeutic trial of a high-dose proton pump inhibitor (PPI) can be tried.
Ambulatory pH monitoring indicating episodes of reflux correlating with the heartburn experienced by the patient. Additional atypical symptoms from abnormal reflux include damage to the lungs (eg, pneumonia, asthma, idiopathic pulmonary fibrosis), vocal cords (eg, laryngitis, cancer), ear (eg, otitis media), and teeth (eg, enamel decay).
Complications of Disease
Esophagitis
Esophagitis (esophageal mucosal damage) is the most common complication of GERD, occurring in approximately 50% of patients (see the images below).
Peptic esophagitis. A rapid urease test (RUT) is performed on the esophageal biopsy sample. The result is positive for esophagitis.
Reflux esophagitis is demonstrated on barium esophagram. Esophagitis may be diagnosed using endoscopy, although it cannot always be appreciated on endoscopy. As many as 50% of symptomatic patients with GERD demonstrate no evidence of esophagitis on endoscopy. Still, documentation of this complication is important in diagnosing GERD. Degrees of esophagitis are described by the Savary-Miller classification as follows.
- Grade I – Erythema
- Grade II – Linear nonconfluent erosions
- Grade III – Circular confluent erosions
- Grade IV – Stricture or Barrett esophagus.
Stricture
Strictures are advanced forms of esophagitis and are caused by circumferential fibrosis due to chronic deep injury. Strictures can result in dysphagia and a short esophagus. Gastroesophageal reflux strictures typically occur in the mid-to-distal esophagus and can be visualized on upper GI tract studies and endoscopy. Presence of a stricture with a history of reflux can also help diagnose GERD. Patients present with dysphagia to solid meals and vomiting of nondigested foods.
As a rule, the presence of any esophageal stricture is an indication that the patient needs surgical consultation and treatment (usually surgical fundoplication). When patients present with dysphagia, barium esophagography is indicated to evaluate for possible stricture formation. In these cases, especially when associated with food impaction, eosinophilic esophagitis must be ruled out prior to attempting any mechanical dilatation of the narrowed esophageal region.
Barrett esophagus
The most serious complication of long-standing or severe GERD is the development of Barrett esophagus. Barrett esophagus is present in 8-15% of patients with GERD. Barrett esophagus is thought to be caused by the chronic reflux of gastric juice into the esophagus. It is defined by metaplastic conversion of the normal distal squamous esophageal epithelium to columnar epithelium (see the image below). Histologic examination of esophageal biopsy specimens is required to make the diagnosis. Varying degrees of dysplasia may be found on histologic examination.
Esophagogastroduodenoscopy indicating Barrett esophagus. Barrett esophagus with intestinal type metaplasia has malignant potential and is a risk factor for the development of esophageal adenocarcinoma (see the images below), increasing the risk of adenocarcinoma 30-40 times. The incidence of adenocarcinoma of the esophagus is increasing steadily in Western society. Currently, adenocarcinoma accounts for more than 50% of esophageal cancers in Western industrialized nations.
Gastroesophageal reflux disease (GERD)/Barrett esophagus/adenocarcinoma sequence.
Endoscopy demonstrating intraluminal esophageal cancer. As with esophageal stricture, the presence of Barrett esophagus indicates the need for surgical consultation and treatment (usually surgical fundoplication).
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