Scandinavian journal of gastroenterology · 1998
Three- to 4.5-year prospective study of prognostic indicators in gastro-oesophageal reflux disease.
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McDougall N I, Johnston B T, Collins J S, McFarland R J, Love A H
Аннотация
BACKGROUND: Data on the long-term natural history of gastro-oesophageal reflux disease (GORD) are sparse. This prospective study was designed to determine the clinical outcome on the basis of therapeutic requirements 3 to 4.5 years after initial diagnosis of GORD and to identify specific prognostic indicators of a poor outcome.
METHODS: One hundred and one GORD patients were followed up by symptomatic questionnaire 3 to 4.5 years after diagnosis and offered repeat investigation with endoscopy and oesophageal pH monitoring if symptoms persisted.
RESULTS: Seventy-seven (76%) patients responded (mean follow-up period, 39 months; range, 32-54 months); of these, 28 had grade-II or -III oesophagitis at initial endoscopy, 17 had normal endoscopy but abnormal pH monitoring, and 32 had normal investigations but frequent heartburn. At follow-up 32 (42%) were taking acid suppression therapy, and a further 15 patients started acid suppression therapy after repeat investigation indicated a need to do so, giving a total of 47 (61%) patients receiving acid suppression. The following factors predicted a need for acid suppression at follow-up: oesophagitis on initial endoscopy (P = 0.009), abnormal pH monitoring (P = 0.0005), increased age (P < 0.0005), and increased body mass index (BMI) (P = 0.001). Gender, smoking status, alcohol intake, and lower oesophageal sphincter pressure had no prognostic value. Regression analysis confirmed that age (P = 0.0007), BMI (P = 0.04), and endoscopy result (P = 0.04) all independently affected outcome.
CONCLUSIONS: Most GORD patients still require acid suppression therapy 3 to 4.5 years after initial diagnosis. Age, BMI, and presence of oesophagitis at initial endoscopy all independently predict those who will require long-term acid suppression therapy.
METHODS: One hundred and one GORD patients were followed up by symptomatic questionnaire 3 to 4.5 years after diagnosis and offered repeat investigation with endoscopy and oesophageal pH monitoring if symptoms persisted.
RESULTS: Seventy-seven (76%) patients responded (mean follow-up period, 39 months; range, 32-54 months); of these, 28 had grade-II or -III oesophagitis at initial endoscopy, 17 had normal endoscopy but abnormal pH monitoring, and 32 had normal investigations but frequent heartburn. At follow-up 32 (42%) were taking acid suppression therapy, and a further 15 patients started acid suppression therapy after repeat investigation indicated a need to do so, giving a total of 47 (61%) patients receiving acid suppression. The following factors predicted a need for acid suppression at follow-up: oesophagitis on initial endoscopy (P = 0.009), abnormal pH monitoring (P = 0.0005), increased age (P < 0.0005), and increased body mass index (BMI) (P = 0.001). Gender, smoking status, alcohol intake, and lower oesophageal sphincter pressure had no prognostic value. Regression analysis confirmed that age (P = 0.0007), BMI (P = 0.04), and endoscopy result (P = 0.04) all independently affected outcome.
CONCLUSIONS: Most GORD patients still require acid suppression therapy 3 to 4.5 years after initial diagnosis. Age, BMI, and presence of oesophagitis at initial endoscopy all independently predict those who will require long-term acid suppression therapy.