The heart and the oesophagus: intimate relations

Area of Science:

• Gastroenterology
• Cardiology
• Clinical Medicine

Background:

• Chest pain often presents with overlapping symptoms from cardiac and esophageal origins, complicating diagnosis.
• Distinguishing between cardiac and non-cardiac chest pain, particularly esophageal causes, poses significant diagnostic challenges.
• Asymptomatic esophageal events and the difficulty in correlating them with pain episodes further hinder accurate diagnosis.

Purpose of the Study:

• To explore the diagnostic difficulties in non-cardiac chest pain attributed to esophageal disorders.
• To identify factors complicating the diagnosis of esophageal reflux and spasm as causes of chest pain.
• To suggest a pragmatic approach to managing patients with suspected non-cardiac chest pain.

Main Methods:

• Review of anatomical and symptomatic similarities between cardiac and esophageal disorders.
• Discussion of limitations of current diagnostic tools like pH monitoring, manometry, and endoscopy.
• Consideration of centrally mediated hypersensitivity in non-cardiac chest pain.

Main Results:

• Diagnostic difficulty arises from anatomical proximity and symptom overlap between heart and esophagus.
• Prolonged monitoring and linking symptoms to events are hampered by asymptomatic occurrences.
• Central hypersensitivity can contribute to chest pain even with normal esophageal tests.

Conclusions:

• Symptomatic treatment with proton pump inhibitors or antidepressants is a reasonable initial approach for non-cardiac chest pain.
• Investigations for esophageal structural disease may be deferred if symptoms do not strongly suggest it.
• This approach aims to manage symptoms effectively while avoiding unnecessary invasive testing.