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Predictive value of preoperative DeMeester score on conversion to Roux-en-Y gastric bypass for gastroeosophageal reflux disease after sleeve gastrectomy.
Surgery for Obesity and Related Diseases 2020 September
BACKGROUND: Obesity is well known to increase the risk of gastroesophageal reflux disease (GERD). The impact of sleeve gastrectomy (SG) on GERD is still discussed but seems to be associated with the development of de novo GERD or the exacerbation of preexisting GERD.
OBJECTIVE: The objective of this study was to evaluate the impact of preoperative pH monitoring, using the DeMeester score (DMS), on the risk of conversion to Roux-en-Y gastric bypass (RYGB) after SG.
SETTING: University Hospital in Nantes, France.
METHODS: This monocentric study reported the results of a retrospective chart review of 523 obese individuals treated between 2011 and 2018. All patients underwent primary bariatric surgery; 95% had undergone an SG. GERD diagnosis was established with preoperative DMS based on 24-hour esophageal pH monitoring.
RESULTS: Preoperative DMS was identified in 423 patients (86%). Sixty-seven patients (14%) underwent a second bariatric procedure; among them, 36 (54%) have been converted to RYGB because of GERD. There was no significant difference between preoperative DMS (16.1 ± 22 versus 13.7 ± 14, P = .37) in patients undergoing conversion for GERD and the nonconverted ones. The sensitivity, specificity, positive predictive, and negative predictive values of the preoperative DMS for predicting conversion to RYGB were 25%, 66%, 7%, and 4%, respectively. In patients who underwent a conversion for GERD, DMS (P < .002), rates of esophagitis (P = .035), and hiatal hernia (P = .039) significantly increased after SG.
CONCLUSION: Preoperative DMS alone is not predictive of the risk of conversion of SG to RYGB for GERD.
OBJECTIVE: The objective of this study was to evaluate the impact of preoperative pH monitoring, using the DeMeester score (DMS), on the risk of conversion to Roux-en-Y gastric bypass (RYGB) after SG.
SETTING: University Hospital in Nantes, France.
METHODS: This monocentric study reported the results of a retrospective chart review of 523 obese individuals treated between 2011 and 2018. All patients underwent primary bariatric surgery; 95% had undergone an SG. GERD diagnosis was established with preoperative DMS based on 24-hour esophageal pH monitoring.
RESULTS: Preoperative DMS was identified in 423 patients (86%). Sixty-seven patients (14%) underwent a second bariatric procedure; among them, 36 (54%) have been converted to RYGB because of GERD. There was no significant difference between preoperative DMS (16.1 ± 22 versus 13.7 ± 14, P = .37) in patients undergoing conversion for GERD and the nonconverted ones. The sensitivity, specificity, positive predictive, and negative predictive values of the preoperative DMS for predicting conversion to RYGB were 25%, 66%, 7%, and 4%, respectively. In patients who underwent a conversion for GERD, DMS (P < .002), rates of esophagitis (P = .035), and hiatal hernia (P = .039) significantly increased after SG.
CONCLUSION: Preoperative DMS alone is not predictive of the risk of conversion of SG to RYGB for GERD.
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