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Sleeve gastrectomy surgery: when 2 alcoholic drinks are converted to 4.

ABSTRACT: BACKGROUND:While it is well established that Roux-en-Y gastric bypass (RYGB) causes a rapid and heightened peak blood alcohol concentration (BAC), results from previous studies on the effects of sleeve gastrectomy (SG) on alcohol pharmacokinetics are conflicting. Data from 2 studies found SG did not affect BAC, whereas another study found SG caused a heightened peak BAC after alcohol ingestion. Moreover, these 3 studies estimated BAC from breathalyzers, which might not reliably estimate peak BAC. OBJECTIVES:The aims of this study were to evaluate (1) the effect of SG, relative to RYGB and a presurgery group, on alcohol pharmacokinetics and subjective effects, and (2) whether breathalyzers are reliable in this population. SETTING:Single-center prospective nonrandomized trial. METHODS:We performed alcohol challenge tests in 11 women who had SG surgery 1.9 ± .1 years ago (body mass index = 35.1 ± 6.6 kg/m2), 8 women who had RYGB surgery 2.2 ± .4 years ago (body mass index = 30.0 ± 5.2 kg/m2), and 9 women who were scheduled for bariatric surgery (body mass index = 44.1 ± 4.0 kg/m2). BACs were estimated from breath samples and measured by gas chromatography at various times after consuming approximately 2 standard drinks. RESULTS:BAC increased faster, peak BAC was approximately 2-fold higher, and feelings of drunkenness were heightened in both SG and RYGB groups relative to the presurgery group (P values<.001). BAC estimated from breath samples underestimated BAC by 27% (standard deviation = 13%) and missed peak BACs postsurgery. CONCLUSIONS:SG, similar to RYGB, causes marked alterations in the response to alcohol ingestion manifested by a faster and higher peak BAC. The breathalyzer is invalid to assess effects of gastric surgeries on pharmacokinetics of ingested alcohol.

SUBMITTER: Acevedo MB

PROVIDER: S-EPMC5844810 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Sleeve gastrectomy surgery: when 2 alcoholic drinks are converted to 4.

Acevedo María Belén MB Eagon J Christopher JC Bartholow Bruce D BD Klein Samuel S Bucholz Kathleen K KK Pepino Marta Yanina MY

Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery 20171110 3

<h4>Background</h4>While it is well established that Roux-en-Y gastric bypass (RYGB) causes a rapid and heightened peak blood alcohol concentration (BAC), results from previous studies on the effects of sleeve gastrectomy (SG) on alcohol pharmacokinetics are conflicting. Data from 2 studies found SG did not affect BAC, whereas another study found SG caused a heightened peak BAC after alcohol ingestion. Moreover, these 3 studies estimated BAC from breathalyzers, which might not reliably estimate ...[more]

PMID: 29305304

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Project description:BACKGROUND:Laparoscopic sleeve gastrectomy (LSG) modifies the upper gastrointestinal tract motility. Controversial data currently exist. The aim of the study was to evaluate esophageal motility before and after LSG. PATIENTS AND METHODS:Morbid obese patients scheduled for LSG underwent reflux symptoms evaluation and manometry preoperatively and postoperatively. The preoperative and postoperative results were compared and analyzed. RESULTS:Eighteen patients were enrolled. Heartburn and regurgitation improved in 38.9% and 11.1% of the patients, but deteriorated in 11.1% and 27.8% of the patients, respectively. Lower esophageal sphincter (LES) total length decreased postoperatively (p=0.002). Resting and residual pressures tended to decrease postoperatively (mean difference [95% confidence interval]: -4 [-8.3/0.2] mmHg, p=0.060; -1.4 [-3/0.1] mmHg, p=0.071, respectively). Amplitude pressure decreased from 95.7±37.3 to 69.8±26.3 mmHg at the upper border of LES (p=0.014), and tended to decrease at the distal esophagus from 128.5±30.1 to 112.1±35.4 mmHg (p=0.06) and mid-esophagus from 72.7±34.5 to 49.4±16.7 mmHg (p=0.006). Peristaltic normal swallow percentage increased from 47.2±36.8 to 82.8±28% (p=0.003). Postoperative regurgitation was strongly negatively correlated with LES total length (Spearman's r=-0.670). When groups were compared according to heartburn status, statistical significance was observed between the groups of improvement and deterioration regarding postoperative residual pressure and postoperative relaxation (p<0.002, p<0.002, respectively). With regard to regurgitation status, there was statistically significant difference between groups regarding preoperative amplitude pressure at the upper border of LES (p<0.056). CONCLUSION:Patients developed decreased LES length and weakened LES pressure after LSG. Esophageal body peristalsis was also affected in terms of decreased amplitude pressure, especially at the upper border of LES. Nevertheless, body peristalsis was normalized postoperatively. LSG might not deteriorate heartburn. Regurgitation might increase following LSG due to shortening of LES length, particularly in patients with range of preoperative amplitude pressure at the upper border of LES of 38.9-92.6 mmHg.

Dataset Information

Sleeve gastrectomy surgery: when 2 alcoholic drinks are converted to 4.

Publications

Sleeve gastrectomy surgery: when 2 alcoholic drinks are converted to 4.

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