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Jamil LC, Suzuki VY, Ferreira LM. Preoperative Nutritional Parameters for Postbariatric Patients: A Review of Key Recommendations. Bariatr Surg Pract Patient Care 2021. [DOI: 10.1089/bari.2020.0101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Liliane Carvalho Jamil
- Department of Surgery, Plastic Surgery Discipline, Universidade Federal de São Paulo (Unifesp), Sao Paulo, Brazil
| | - Vanessa Yuri Suzuki
- Department of Surgery, Plastic Surgery Discipline, Universidade Federal de São Paulo (Unifesp), Sao Paulo, Brazil
| | - Lydia Masako Ferreira
- Department of Surgery, Plastic Surgery Discipline, Universidade Federal de São Paulo (Unifesp), Sao Paulo, Brazil
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Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis. Obes Surg 2021; 31:2649-2659. [PMID: 33675022 PMCID: PMC8113177 DOI: 10.1007/s11695-021-05311-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/23/2021] [Accepted: 02/23/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Hair loss is a common complication after metabolic and bariatric surgery (MBS). There is a lack of published systematic review in the scientific literature on this topic. The aim of this study was to perform a systematic review and meta-analysis on hair loss after MBS in accordance with Preferred Reporting Items for Systematic reviews and Meta-Analysis (PRISMA) guidelines. METHODS PubMed, CINAHL, EMBASE, Web of Science, SCOPUS, and four Chinese databases were searched. Data were pooled using Review Manager 5.3 and Stata 12.0, and subgroups were performed if necessary and feasible. RESULTS A total of 18 studies (n = 2538) were included. The pooled results showed that the incidence of hair loss after MBS was 57% (95% CI 42-71%). It decreased with longer follow-up times. Hair loss was significantly more common in younger (mean difference (MD), - 2.45; 95% CI, - 4.26 to - 0.64; p = 0.008) women (OR, 3.87; 95% CI, 0.59 to 17.59; p = 0.08). Serum zinc (standardized mean difference (SMD), - 1.13; 95% CI, - 2.27 to 0.01, p = 0.05), folic acid (SMD = - 0.88, 95% CI - 1.29 to - 0.46, p < 0.0001), and ferritin levels (SMD, - 0.22; 95% CI, - 0.38 to - 0.05; p = 0.01), but not serum iron and vitamin B12, were associated with hair loss following MBS. CONCLUSIONS Hair loss is common after MBS especially in younger women, and those with low serum levels of zinc, folic acid, and ferritin. Prospective studies on larger cohorts are needed.
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Nonino CB, Oliveira BAPD, Chaves RCP, Silva LTPE, Pinhel MADS, Ferreira FDC, Rocha GDC, Donadelli SP, Marchini JS, Salgado-Junior W, Nicoletti CF. IS THERE ANY CHANGE IN PHENOTYPIC CHARACTERISTICS COMPARING 5 TO 10 YEARS OF FOLLOW-UP IN OBESE PATIENTS UNDERGOING ROUX-EN-Y GASTRIC BYPASS? ACTA ACUST UNITED AC 2019; 32:e1453. [PMID: 31644673 PMCID: PMC6812142 DOI: 10.1590/0102-672020190001e1453] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 02/28/2019] [Indexed: 12/15/2022]
Abstract
Background
: Bariatric surgery promotes significant weight loss and
improvement of associated comorbidities; however, nutrients deficiencies and
weight regain may occur in the middle-late postoperative period.
Aim:
To investigate nutritional status in 10 years follow-up.
Methods
: Longitudinal retrospective study in which anthropometric,
biochemical indicators and nutritional intake were assessed before and after
one, two, three, four, five and ten years of Roux-en Y gastric bypass
through analysis of medical records.
Results
: After ten years there was a reduction of 29.2% of initial
weight; however, 87.1% of patients had significant weight regain. Moreover,
there was an increase of incidence of iron (9.2% to 18.5%), vitamin B12
(4.2% to 11.1%) and magnesium deficiency (14.1% to 14.8%). Folic acid
concentrations increased and the percentage of individuals with glucose
(40.4% to 3.7%), triglycerides (38% to 7.4%), HDL cholesterol (31 % to 7.4%)
and uric acid (70.5% to 11.1%) abnormalities reduced. Also, there is a
reduction of food intake at first year postoperative. After 10 years, there
was an increase in energy, protein and lipid intake, also a reduction in
folid acid intake.
Conclusions
: Roux-en Y gastric bypass is an effective procedure to
promote weight loss and improve comorbidities associated with obesity.
However, comparison between postoperative period of five and 10 years showed
a high prevalence of minerals deficiency and a significant weight regain,
evidencing the need for nutritional follow-up in the postoperative
period.
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Affiliation(s)
- Carla Barbosa Nonino
- Internal Medicine Department, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | | | - Raoana Cássia Paixão Chaves
- Internal Medicine Department, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | | | | | - Flávia de Campos Ferreira
- Internal Medicine Department, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Gabriela da Costa Rocha
- Internal Medicine Department, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Simara Paganini Donadelli
- Internal Medicine Department, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Julio Sergio Marchini
- Internal Medicine Department, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Wilson Salgado-Junior
- Department of Surgery and Anatomy, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Carolina Ferreira Nicoletti
- Internal Medicine Department, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
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