PMID- 14679323 OWN - NLM STAT- MEDLINE DCOM- 20040422 LR - 20190817 IS - 0192-0790 (Print) IS - 0192-0790 (Linking) VI - 38 IP - 1 DP - 2004 Jan TI - Evaluation of symptom index in identifying gastroesophageal reflux disease-related noncardiac chest pain. PG - 24-9 AB - BACKGROUND: Symptom index (SI), which represents the percentage of perceived gastroesophageal reflux-related symptoms that correlate with esophageal acid reflux events (pH <4), has been suggested as a measure to improve diagnosis of gastroesophageal reflux (GER)-related noncardiac chest pain (NCCP). Because no study has evaluated the value of the symptom index in NCCP patients, data to support this claim have yet to be elucidated. AIM: To evaluate the value of SI in identifying gastroesophageal reflux disease (GERD)-related NCCP patients. METHODS: Patients enrolled in this study were referred by a cardiologist after a comprehensive work-up excluded a cardiac cause for their chest pain. All patients underwent upper endoscopy to determine esophageal inflammation and 24-hour esophageal pH monitoring to assess esophageal acid exposure. Patients were instructed to record all chest pain episodes during the pH test. Patients with a positive SI (> or =50%) underwent the proton pump inhibitors (PPI) test, which is a therapeutic trial using a short course of high dose PPI. RESULTS: A total of 94 patients with NCCP were included in this study. Forty-seven (50%) had either a positive upper endoscopy or an abnormal pH test and were considered GERD-Positive. Forty-seven patients (50%) had both tests negative and were considered GERD-Negative. Total number of reflux episodes and percent total, supine and upright time pH less than 4, were significantly higher in the GERD-Positive group as compared with the GERD-Negative group (P < 0.0001, P < 0.0001, P = 0.0045, and P < 0.0001 respectively). Only 9 (19.1%) patients in the GERD-Positive group and 5 (10.6%) patients in the GERD-Negative group had a positive SI (p = ns). Eight (89%) out of the 9 patients who had a positive SI in the GERD-Positive group and 2 (40%) out of 5 patients in the GERD-Negative group responded to the PPI test. CONCLUSION: Positive SI is relatively uncommon in NCCP patients, regardless if GERD is present or absent. Hence, symptom index provides very little improvement in diagnosing GERD-related NCCP. FAU - Dekel, Roy AU - Dekel R AD - Section of Gastroenterology, Department of Medicine, Southern Arizona VA Health Care System and University of Arizona Health Science Center, 3601 S. 6th Avenue, Tucson, AZ 85723, USA. FAU - Martinez-Hawthorne, Stephanie D AU - Martinez-Hawthorne SD FAU - Guillen, R Jose AU - Guillen RJ FAU - Fass, Ronnie AU - Fass R LA - eng PT - Journal Article PL - United States TA - J Clin Gastroenterol JT - Journal of clinical gastroenterology JID - 7910017 SB - IM CIN - J Clin Gastroenterol. 2004 Jan;38(1):5-6. PMID: 14679319 MH - Acid-Base Equilibrium MH - Chest Pain/*diagnosis/etiology MH - Endoscopes, Gastrointestinal MH - Female MH - Gastroesophageal Reflux/complications/*pathology MH - Humans MH - Male MH - Middle Aged MH - Monitoring, Ambulatory/methods MH - Sensitivity and Specificity MH - Severity of Illness Index EDAT- 2003/12/18 05:00 MHDA- 2004/04/23 05:00 CRDT- 2003/12/18 05:00 PHST- 2003/12/18 05:00 [pubmed] PHST- 2004/04/23 05:00 [medline] PHST- 2003/12/18 05:00 [entrez] AID - 10.1097/00004836-200401000-00007 [doi] PST - ppublish SO - J Clin Gastroenterol. 2004 Jan;38(1):24-9. doi: 10.1097/00004836-200401000-00007.