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Linked angina relates with gastroesophageal reflux diseases?
April 17, 2009It is well known that non-cardiac chest pain is closely related to gastroesophageal reflux diseases (GERD). Chest pain of esophageal origin can be difficult to distinguish from that caused by cardiac ischemia because the distal esophagus and the heart share a common afferent vagal supply, and GERD can cause episodes of non-cardiac chest pain that resemble ischemic cardiac pain.
A research team led by Dr. Yoshihisa Urita from Toho University School of Medicine investigated the association between gastroesophageal reflux diseases (GERD) and coronary heart diseases. Their study will be published on April 14, 2009 in the World Journal of Gastroenterology.
One thousand nine hundred and seventy consecutive patients were enrolled in this study. All of the patients who first attend their hospital were asked to respond to the F-scale questionnaire regardless of their chief complaints. All patients had a careful history taken, and resting echocardiography (ECG) was performed by physicians if the diagnostic necessity arose. Patients with ECG signs of coronary artery ischemia were defined as ST segment depression based on the Minnesota code.
Among 712 patients (36%) with GERD, ECG was performed in 171 (24%), and ischemic changes were detected in eight (5%). Four (50%) of these patients with abnormal findings upon ECG had no chest symptoms such as chest pain, chest oppression, or palpitations. These patients (0.6%; 4/712) were thought to have non-GERD heartburn, which may be related to ischemic heart disease. Of the 281 patients who underwent ECG and did not have GERD symptoms, 20 (7%) had abnormal findings upon ECG. In patients with GERD symptoms and ECG signs of coronary artery ischemia, the prevalence of linked angina was considered to be 0.4% (8/1970 patients).
The study results suggest that an extra-esophageal condition causes GERD symptoms and that angina may be misclassified as GERD. Since patients with GERD have an increased risk of angina pectoris in the year after GERD diagnosis, physicians have to be concerned about missing clinically important CAD while evaluating patients for GERD symptoms.
World Journal of Gastroenterology
Among 712 patients (36%) with GERD, ECG was performed in 171 (24%), and ischemic changes were detected in eight (5%). Four (50%) of these patients with abnormal findings upon ECG had no chest symptoms such as chest pain, chest oppression, or palpitations. These patients (0.6%; 4/712) were thought to have non-GERD heartburn, which may be related to ischemic heart disease. Of the 281 patients who underwent ECG and did not have GERD symptoms, 20 (7%) had abnormal findings upon ECG. In patients with GERD symptoms and ECG signs of coronary artery ischemia, the prevalence of linked angina was considered to be 0.4% (8/1970 patients).
The study results suggest that an extra-esophageal condition causes GERD symptoms and that angina may be misclassified as GERD. Since patients with GERD have an increased risk of angina pectoris in the year after GERD diagnosis, physicians have to be concerned about missing clinically important CAD while evaluating patients for GERD symptoms.
World Journal of Gastroenterology
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Serum bile acid profiling for inflammatory bowel disease characterization
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University of Saskatchewan and Canadian Synchrotron researchers shed light on esophageal disease
Canadian Light Source (CLS) staff scientist Luca Quaroni and Dr. Alan Casson, Head of the Department of Surgery at the University of Saskatchewan (U of S) used the synchrotron's infrared microscope to identify tissue afflicted with a condition known as Barrett's Esophagus from chemical fingerprints associated with the disease, which can lead to esophageal cancer.
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