Conference Papers

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This collection contains abstracts of conference papers, presented at local and international conferences by the staff of the Faculty of Medicine

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    Validation of a clinical scoring system to detect gastro-oesophageal reflux disease (GERD) in epidemiological surveys
    (Wiley Blackwell Scientific Publications, 2006) Amarasiri, L; Pathmeswaran, A.; Ranasinghe, C.; de Silva, H.J.
    BACKGROUND: The prevalence of GERD is increasing worldwide. Community prevalence in Sri Lanka is unknown. OBJECTIVES: To develop a clinical score to screen for GERD in the community and assess whether a score using symptom frequency and severity correlates better to an objective measure of GERD than one using only symptom frequency. METHODS: A cross-sectional validity study carried out on 72 patients (endoscopy positive) and 75 controls (comparable in age and gender). All faced a GERD-specific interviewer-administered questionnaire assessing seven upper gastro-intestinal symptoms, each graded for frequency (4- items) and severity (5-items). Two scores were generated. Score 1: sum of frequency of symptoms and score 2: sum of products of frequency and severity of each symptom. All patients underwent 24 h pH-metry. Validity established by correlating symptom scores with 24 h pH-metry parameters. Cut-off values determined by receiver-operating characteristic curves. RESULTS: Mean scores of cases were significantly higher than controls (p < 0.001). Cut-off score for score 1 was ≥11.50 (sensitivity 91.7%, speci- ficity 82.7%, positive and negative predictive values 70.0% and 95.9%). Cut-off score for score 2 was ≥14.50 (sensitivity 94.4%, specificity 78.7%, positive and negative predictive values 66.0% and 97.0%). Both scores showed high reproducibility (intra-class correlation coefficient of score 1 = 0.95 and score 2 = 0.89). There was good correlation between symptom scores and 24-h pH parameters (Spearman rank correlation, p = 0.01), but score 2 showed a significantly better correlation. CONCLUSIONS: Our GERD questionnaire is valid, reproducible, with better correlation with an objective test when both severity and frequency of symptoms were scored
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    Upper respiratory symptoms are common in a cohort of patients with symptomatic gastrooesophageal reflux disease (GORD) in Sri Lanka
    (Wiley Blackwell Scientific Publications, 2011) Amarasiri, D.L.; Adikari, D.; Sanjeewa, B.; Jayaratne, A.; Dassanayake, A.S.; de Silva, A.P.; de Silva, H.J.
    INTRODUCTION: There is increasing evidence for multiple associations between gastro-oesophageal reflux disease (GORD) and the upper respiratory tract. This study evaluated the presence of upper respiratory symptoms (URS) in a cohort of patients with GORD symptoms from Sri Lanka. METHOD: Seventy adults scoring ≥12.5 on a previously validated GORD symptom score (GORD patients) and 70 healthy controls who had infrequent or no GORD symptoms completed a pre-tested, valid URS questionnaire. They were questioned on frequency of 14 URS in 5 categories (laryngeal, nasal, pharyngeal, sinusal and aural). All GORD patients underwent gastroscopy. An URS score was calculated and correlated against the GORD symptom score and gastroscopy fi ndings. RESULTS : The GORD patients (median age (range) 36 (15–65); 38% males) and controls (median age (range) 38 (15–68); 38% males) were comparable. URS scores were higher in GORD patients (mean ± SE, 4.7 ± 4.0) compared to controls (mean ± SE, 1.9 ± 2.3), as were individual symptom scores. Individuals with higher GORD symptoms scores reported more frequent URS. Nasal symptoms had the highest correlation with the GORD symptom score (r = 0.410; P = 0.001). of the GORD patients, 42 had no evidence of oesophageal or gastric mucosal damage. 28 had evidence of refl ux oesophagitis. In them, the presence of oesophagitis did not seem to influence the frequency of reporting URS. CONCLUSION : URS are common in individuals with GORD symptoms though there appears to be no association with oesophageal mucosal damage