A prospective study of oesophageal function in patients with normal coronary angiograms and controls with angina
R A Cooke
a Department of Cardiology, b Department of Surgery, Guy's Hospital, London, UK
Correspondence to: Dr R A Cooke, Suite 303, Emblem House, London Bridge
Hospital, 27 Tooley Street, London SE1 2PR, UK. Accepted for publication 9 October 1997 Aims Keywords:
oesophageal function;
coronary artery disease;
chest pain
To compare the incidence of oesophageal
abnormalities and their correlation with chest pain in patients with
normal coronary angiograms, and in controls with angina.
Patients
Sixty one patients with normal coronary
angiograms (NCA group) referred to a single cardiac centre between
March 1990 and April 1991; 25 matched controls with confirmed coronary artery disease (CAD group).
Setting
Cardiac referral centre and oesophageal
function testing laboratory.
Main outcome measures
Oesophageal manometry,
provocation tests, and 24 hour ambulatory pH monitoring.
Results
Simultaneous contractions were more
common (6.7% versus 0.8%, p<0.01), and the duration of peristaltic
contractions was longer (2.9 versus 2.4 seconds, p<0.01) in the NCA
group than in the CAD group. There were no group differences in the
amplitude of peristaltic contractions, and none had nutcracker
oesophagus. Ten (16%) patients with NCA and no patients with CAD had
diffuse spasm (p=0.03). Twenty one (34%) patients with NCA, and five
(20%) patients with CAD had abnormal gastro-oesophageal reflux
(p>0.05). There was no significant difference between the groups in
the number of patients whose pain was temporally related to pH events. Particular chest pain characteristics, or the presence of additional oesophageal symptoms, were not predictive of an oesophageal abnormality.
Conclusion
Oesophageal function tests
commonly implicate the oesophagus as a source of pain in patients with
normal coronary angiograms. With the exception of simultaneous
contractions during manometry however, the incidence of abnormalities
and in particular the correlation of pH events with chest pain are as
common in patients with normal coronary angiograms as in controls
with angina. The oesophagus may often be an unrecognised source of pain
in both groups of patients.
(GUT 1998;42:323-329)
© 1998 by Gut
Relevant Article
- Oesophageal pain in coronary artery disease
- G GHILLEBERT and J JANSSENS
Gut 1998 42: 312-313.[Extract] [Full Text] [PDF]
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Wu, E.B., Cooke, R., Anggiansah, A., Owen, W., Chambers, J.B.
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[Full Text]
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