The Role of Visceral Hyperalgesia, Gastroesophageal Reflux Disease (GERD) and Esophageal Motility Disorder (EMD) in NCCP Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Total Enrollment

100 participants

Study Classification

OBSERVATIONAL

Brief Summary

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Noncardiac chest pain (NCCP) is a common clinical problem worldwide. In Hong Kong, it has been estimated that about 20% of patients with chest pain are misdiagnosed to have coronary heart disease. Despite its benign nature, this condition causes anxiety, impairs quality of life and consumes a substantial amount of healthcare resources. While acid reflux and motility disorder in the esophagus are often attributed as the cause of NCCP, visceral hyperalgesia of esophagus is now recognized to play a central role in the pathogenesis of this condition. This research project aims to evaluate the role of visceral hyperalgesia in Chinese patients with NCCP. NCCP patients will be evaluated for the prevalence of gastroesophageal reflux disease and esophageal motility disorder by endoscopy, manometry and pH study. The visceral sensory and pain thresholds of these patients will be compared with asymptomatic controls.

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Detailed Description

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Conditions

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Non-Cardiac Chest Pain

Study Design

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Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Consecutive patients with monthly angina-like chest pain and negative coronary angiogram or scintigraphy
* Age between 18-70

Exclusion Criteria

* Gastroesophageal reflux disease
* Psychiatric illness
* Cerebrovascular accident
* Active peptic ulceration
* Heart failure or cardiac bradyarrhythmia
* Epilepsy
* Pregnancy or lactating female
* Previous hypersensitivity to muscle relaxant

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes