Oral Hydration, Food Intake, and Nutritional Status Before and After Bariatric Surgery

Vinolas, Hélène; Barnetche, Thomas; Ferrandi, Genevieve; Monsaingeon-Henry, Maud; Pupier, E.; Collet, Denis; Gronnier, Caroline; Gatta-Chérifi, Blandine

doi:10.1007/s11695-019-03928-y

Cited by 33 publications

(40 citation statements)

References 39 publications

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“…The absorption of vitamin A is reduced after bariatric procedures. The incidence of vitamin A deficiency is 11.1% at one year post LSG [26]. A higher prevalence is reported after malabsorptive procedures where deficiency was found in up to 70% of patients 4 years after RYGB and BPD/DS [28].…”

Section: Vitamin Amentioning

confidence: 98%

“…Cobalamin stores in the liver are usually high and therefore vitamin B12 deficiency is rare in the first year after BS; however the incidence tends to increase on the long term [25]. The prevalence vitamin B12 deficiency is 14.3% after LSG and 16% post RYGB [26]. In addition to anemia, vitamin B12 deficiency can cause neurological and psychiatric symptoms [6] ( Table 1).…”

Section: Vitamin B12 (Cobalamin)mentioning

confidence: 99%

“…Furthermore, folate deficiency can be aggravated by vitamin B12 deficiency since the latter is necessary for the conversion of inactive methyltetrahydrofolic acid to the active tetrahydrofolic acid [6]. The reported prevalence of folate deficiency after LSG and RYGB is 3.6% and 4.2% respectively [26]. Folate deficiency has been associated with a variety of symptoms (Table 1) [6,23].…”

Section: Folic Acidmentioning

confidence: 99%

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Nutritional Deficiencies Post Bariatric Surgery: A Forgotten Area Impacting Long-Term Success and Quality of Life

Ansari¹

2021

Bariatric Surgery - From the Non-Surgical Approach to the Post-Surgery Individual Care

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Bariatric surgery (BS) results in significant weight loss and improvement of obesity associated comorbidities. Despite the benefits achieved with these operations, deficiencies of vitamins and other micronutrients are common. Such deficiencies may become clinically significant if not discovered and treated early. Therefore, it is imperative to undertake thorough screening, and have sound preventive strategies in place in order to make BS a safer procedure. This chapter will provide the multidisciplinary bariatric team with a comprehensive review of micronutrient deficiencies before and after bariatric surgery. The focus will be on the most common micronutrient deficiencies that are encountered in various types of BS procedures, including water soluble vitamins, fat-soluble vitamins, minerals and trace elements deficiencies, as well as protein malnutrition. The chapter starts with an overview of the causes of micronutrient deficiencies in patients with obesity and before undergoing BS. It reviews the screening of patients for preexisting micronutrient deficiencies prior to their BS. Then the chapter addresses the potential causes and mechanisms leading to such deficiencies after BS. It then conducts an in depth discourse of the prevalence of deficiencies by the type of BS, the presenting symptoms, and the investigations required for the diagnoses. The chapter will also discuss the management of each deficiency according to the severity of the symptoms. The chapter also reviews the recent updated guidelines for standard nutritional care post BS. We will finally conclude with a framework of the preventive strategies for optimal care to ensure long term success post-surgery.

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Section: Vitamin Amentioning

confidence: 98%

Section: Vitamin B12 (Cobalamin)mentioning

confidence: 99%

Section: Folic Acidmentioning

confidence: 99%

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Nutritional Deficiencies Post Bariatric Surgery: A Forgotten Area Impacting Long-Term Success and Quality of Life

Ansari¹

2021

Bariatric Surgery - From the Non-Surgical Approach to the Post-Surgery Individual Care

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“…The post-op quality of diet is also important, as various BS procedures might be associated with different post-op diet preferences. A year after surgery, RYGBP patients ate significantly less carbohydrates and more lipids and had higher daily cholesterol intake than the SG patients [24]. In/direct measurements of eating behavior suggest that food selection changes after BS, with reduced preference for food high in sugar and fat [25].…”

Section: Associations Between Post-op Diet and Wl After Bariatric Surmentioning

confidence: 99%

“…In terms of post-op diet of BS patients, many self-report tools assess consumed food quality and tolerance, and food records of foods and beverages consumed accompanied by a picture album of food-portion sizes might enhance accuracy [24,65,66]. However, self-reported food frequency questionnaires suffer from underreporting, recall errors, difficulty in assessment of portion sizes, and only assess preferences or consumption frequency of foods [67][68][69][70], as opposed to a behavioral approach that incorporates measuring choices between differing food products [70].…”

Section: Data On Post-op Pa and Diet Among Bariatric Patientsmentioning

confidence: 99%

Missing Something? Comparisons of Effectiveness and Outcomes of Bariatric Surgery Procedures and Their Preferred Reporting: Refining the Evidence Base

Ansari

El-Ansari

2020

OBES SURG

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Comparisons of effectiveness of bariatric surgery (BS) procedures encompass weight loss, metabolic/clinical outcomes, and improvements or worsening of comorbidities. Post-operative physical activity (PA) and diet influence such outcomes but are frequently not included in comparisons of effectiveness. We assessed the value and necessity of including post-operative PA/diet data when comparing effectiveness of BS. Including post-operative PA/diet data has significant benefits for BS and patients. The paper proposes an explicit preferred reporting system (Preferred REporting of post-operative PHYsical activity and Diet data in comparisons of BS effectiveness: PRE-PHYD Bariatric). Including post-operative PA/diet data could result in more accurate appraisals of effectiveness of BS procedures. This could translate into better ‘individualized’ BS by achieving a better ‘fit’ between patient and procedure.

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Gastric Bypass vs Diet and Cardiovascular Risk Factors

Karlsson,

Johnson,

Greasley

et al. 2024

JAMA Surg

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ImportanceRoux-en-Y gastric bypass (RYGB) is associated with reduced cardiovascular (CV) risk factors, morbidity, and mortality. Whether these effects are specifically induced by the surgical procedure or the weight loss is unclear.ObjectiveTo compare 6-week changes in CV risk factors in patients with obesity undergoing matching caloric restriction and weight loss by RYGB or a very low-energy diet (VLED).Design, Setting, and ParticipantsThis nonrandomized controlled study (Impact of Body Weight, Low Calorie Diet, and Gastric Bypass on Drug Bioavailability, Cardiovascular Risk Factors, and Metabolic Biomarkers [COCKTAIL]) was conducted at a tertiary care obesity center in Norway. Participants were individuals with severe obesity preparing for RYGB or a VLED. Recruitment began February 26, 2015; the first patient visit was on March 18, 2015, and the last patient visit (9-week follow-up) was on August 9, 2017. Data were analyzed from April 30, 2021, through June 29, 2023.InterventionsVLED alone for 6 weeks or VLED for 6 weeks after RYGB; both interventions were preceded by 3-week LED.Main Outcomes and MeasuresBetween-group comparisons of 6-week changes in CV risk factors.ResultsAmong 78 patients included in the analyses, the mean (SD) age was 47.5 (9.7) years; 51 (65%) were women, and 27 (35%) were men. Except for a slightly higher mean (SD) body mass index of 44.5 (6.2) in the RYGB group (n = 41) vs 41.9 (5.4) in the VLED group (n = 37), baseline demographic and clinical characteristics were similar between groups. Major atherogenic blood lipids (low-density lipoprotein cholesterol, non–high-density lipoprotein cholesterol, apolipoprotein B, lipoprotein[a]) were reduced after RYGB in comparison with VLED despite a similar fat mass loss. Mean between-group differences were −17.7 mg/dL (95% CI, −27.9 to −7.5), −17.4 mg/dL (95% CI, −29.8 to −5.0) mg/dL, −9.94 mg/dL (95% CI, −15.75 to −4.14), and geometric mean ratio was 0.55 U/L (95% CI, 0.42 to 0.72), respectively. Changes in glycemic control and blood pressure were similar between groups.Conclusions and RelevanceThis study found that clinically meaningful reductions in major atherogenic blood lipids were demonstrated after RYGB, indicating that RYGB may reduce CV risk independent of weight loss.Trial RegistrationClinicalTrials.gov Identifier: NCT02386917

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Oral Hydration, Food Intake, and Nutritional Status Before and After Bariatric Surgery

Cited by 33 publications

References 39 publications

Nutritional Deficiencies Post Bariatric Surgery: A Forgotten Area Impacting Long-Term Success and Quality of Life

Nutritional Deficiencies Post Bariatric Surgery: A Forgotten Area Impacting Long-Term Success and Quality of Life

Missing Something? Comparisons of Effectiveness and Outcomes of Bariatric Surgery Procedures and Their Preferred Reporting: Refining the Evidence Base

Gastric Bypass vs Diet and Cardiovascular Risk Factors

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