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Change in Mineral Status After Bariatric Surgery: a Meta-analysis. | LitMetric

AI Article Synopsis

  • This study focuses on the often-overlooked issue of mineral deficiencies after bariatric surgery, aiming to analyze changes in mineral levels and the prevalence of deficiencies among patients.
  • The research reviewed 107 articles involving over 47,000 patients, revealing that iron and zinc deficiencies were the most common, with variations in deficiency rates based on the type of surgery and follow-up duration.
  • The findings suggest that there is a significant rate of mineral deficiencies post-surgery, stressing the need for tailored mineral supplementation programs that take into account different surgical methods, geographic variations, and follow-up times.

Article Abstract

Background: The risk of protein and vitamin deficiencies after bariatric surgery has been well studied, but the change in mineral status has not gotten enough attention. This study aimed to perform a meta-analysis regarding the change in mineral levels after bariatric surgery and the prevalence of postoperative mineral deficiency, with subgroup analyses of different surgical procedures, study regions, and follow-up time.

Methods: CENTRAL, PubMed, and EMBASE were searched for related articles. Meta-analysis, subgroup analysis, and sensitivity analysis were performed if necessary.

Results: A total of 107 articles with 47,432 patients were included. The most severe mineral deficiency after bariatric surgery was iron (20.1%), followed by zinc (18.3%), copper (14.4%), chlorine (12.2%), phosphorus (7.5%), and calcium (7.4%). Serum concentrations of potassium, sodium, selenium, manganese, and molybdenum showed no significant change before and after surgery. Subgroup analyses revealed that SG had fewer deficiencies in serum iron, calcium, zinc, magnesium, phosphorus, copper, and selenium than RYGB. OAGB showed a higher incidence of serum iron and zinc deficiencies than RYGB. Studies conducted in different regions also found various mineral statuses after surgery. Studies with follow-up ≥ 5 years had a lower prevalence of zinc, copper, and selenium deficiencies than follow-up < 5 years.

Conclusion: A high deficiency rate of serum iron, zinc, copper, chlorine, phosphorus, and calcium was seen after bariatric surgery. The difference in surgical procedures, study regions, and follow-up time may affect postoperative mineral status; more targeted mineral supplement programs are needed considering these influencing factors.

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Source
http://dx.doi.org/10.1007/s11695-023-06888-6DOI Listing

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