A Pilot Study of Nutritional Status Prior to Bariatric Surgery in South China

Abstract

Objective: The was a pilot study to assess the biochemical and historical information about bariatric patients before undergoing the surgery in the aim of identifying nutritional deficiencies and their prevalence from 2015 to 2020.Methods: Clinical data of 247 patients (105 males and 142 females) were included. Vitamins, trace elements, electrolytes, albumin, globulin, hemoglobin, folate, ferritin, microalbuminuria (MAU), and parathyroid hormone (PTH) levels were determined to explore the nutritional status according to gender, age, high body mass index (BMI), and waist circumstance (WC).Results: The mean age, mean BMI, and mean WC of the candidates were 32.95 ± 10.46 years, 38.01 ± 7.11 kg/m2, and 117.04 ± 16.18 cm, respectively. The prevalence of preoperative nutritional deficiencies was 76.88% for 25 (OH) vitamin D, 19.84% for globulin, 11.74% for albumin, 11.02% for sodium, 8.33% for folic acid, 10.48% (male) and 6.34% (female) for chloride, 4.05% for calcium, 3.07% (male) and 0.70%(female) for ferritin, 11.90% for elevated PTH, and 44.96% for MAU. Males exhibited increased prevalence of globulin and MAU relative to females (P < 0.05). Older groups are more likely to exhibit albumin deficiency (P = 0.007), globulin deficiency (P = 0.003), and zinc deficiency (P = 0.015). In addition, 25 (OH) D deficiency and albumin deficiency were more common in patients with BMI ≥ 47.5 kg/m2 (P = 0.049 and 0.015, respectively). Wider WC (≥150 cm) exhibited higher rates of albumin deficiencies (P = 0.011).Conclusion: Electrolyte and nutritional deficiencies were common in patients prior to bariatric surgery in South China. Routine evaluation of electrolyte and nutritional levels should be carried out in this population.

Preoperative serum selenium predicts acute kidney injury after adult cardiac surgery

“…[16] Bene ting from the increasing epidemiological knowledge, the role of Se (including organic or inorganic forms) has been related to a number of clinical diseases. [20] Different from observation ndings, interestingly, current intervention studies with Se supplements in population all failed to prove the preventive effect of Se to reduce the risk of type 2 diabetes or cancers. [21,22] These controversial results suggest the complexity pathophysiological effects of Se in vivo and potential threshold effects.…”

Electroactive Brevundimonas diminuta consortium mediated selenite bioreduction, biogenesis of selenium nanoparticles and bio-electricity generation

“…The B. diminuta has a wide range of biological activity and is found in both terrestrial and aquatic habitats [4]. It was isolated from arsenic-polluted soil and eliminate arsenic polluted soil [36].…”

“…For comparison, control experiments were performed using synthetic media (synthetic) or real wastewater (wastewater) without sodium selenite. Figure (4) illustrates the change of open circuit voltages (OCVs) and close circuit voltages (CCVs) with time as a function of increasing the biofilm electrogenic performance with respect to the reducing of selenite. It could be observed from Fig.…”

“…Selenium (Se) has extensive applications in industrial fields like solar cells, rubber vulcanization, and electrolysis [2]. Also, it contributes to the health of both people and animals because of its immunomodulatory, anti-oxidant, and anti-cancer properties [2][3][4]. The World Health Organization (WHO) suggests the perfect consuming dose is from 40 to 400 µg of selenium per day.…”

Bariatric Surgery

“…However, this intervention not only reduces the amount of ingested food but also disrupts its digestion and reduces the availability of micronutrients. Moreover, many authors agree that some individuals with obesity already have micronutrient deficiencies even before surgery [35][36][37][38] due to consumption of a diet low in nutritional quality, 38,39 which may adversely affect nutritional status. For example, hepcidin is a hormone secreted by the liver whose level is regulated by iron overload and by inflammation.…”