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The value of multiple rapid swallows during preoperative esophageal manometry before laparoscopic antireflux surgery.
MedLine Citation:
PMID:  22648115     Owner:  NLM     Status:  Publisher    
BACKGROUND: When multiple swallows are rapidly administered, esophageal peristalsis is inhibited, and pronounced lower esophageal sphincter relaxation ensues. After the last swallow of the series, a robust contraction sequence results. The authors hypothesize that multiple rapid swallows (MRS) may have value in predicting esophageal transit symptoms in patients undergoing laparoscopic antireflux surgery (LARS). METHODS: Records of patients undergoing esophageal high-resolution manometry (HRM) before LARS were evaluated. The evaluation of MRS included adequate inhibitory response during swallows and the contraction pattern after MRS. Dysphagia was scored based on a product of symptom frequency and severity using 5-point Likert scales. A composite dysphagia score comprised the sum of scores for solid and liquid dysphagia, and a score of 4 or higher was considered clinically significant. The normal and abnormal MRS responses of patients with preoperative, early, and late postoperative dysphagia were compared with those of patients with no dysphagia. RESULTS: In this study, 63 patients (mean age, 60.3 ± 1.7 years, 48 women) undergoing HRM before LARS successfully performed MRS (median, 5 swallows; longest interval between swallows, 3.2 ± 0.1 s). After MRS, 14 patients (22.2 %) had an intact peristaltic sequence. Complete failure of peristalsis was seen in 21 (33.3 %), and incomplete esophageal inhibition in 25 (39.7 %) of the remaining patients. When stratified by presence or absence of dysphagia, 58.3 % of the subjects without dysphagia had a normal MRS response, whereas 83.3 % had formation of peristaltic segments after MRS. In contrast, only 14 % of the subjects with dysphagia had a normal MRS response (p ≤ 0.003 vs. the subjects with no dysphagia). Abnormal MRS responses were more prevalent in the patients with any preoperative and late postoperative dysphagia (p = 0.04 across groups) and in those with clinically significant dysphagia (p = 0.08 across groups). CONCLUSIONS: High-resolution manometry with MRS helps to predict dysphagia in subjects undergoing preoperative esophageal function testing before LARS.
Nathaniel Stoikes; Jesse Drapekin; Vladimir Kushnir; Anisa Shaker; L Michael Brunt; C Prakash Gyawali
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-31
Journal Detail:
Title:  Surgical endoscopy     Volume:  -     ISSN:  1432-2218     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8806653     Medline TA:  Surg Endosc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Section of Minimally Invasive Surgery, Washington University School of Medicine, St. Louis, MO, USA.
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