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Iron 관련 위 절제 수술 후 영양 지원

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Iron deficiency occurs in 33-55% of post-bariatric patients. ASMBS guidelines recommend 45-60 mg elemental iron/day after gastric bypass. Ferrous bisglycinate is the preferred form for tolerability. Monitoring every 3-6 months is mandatory.

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결론

            
            
Iron deficiency occurs in 33-55% of post-bariatric patients. ASMBS guidelines recommend 45-60 mg elemental iron/day after gastric bypass. Ferrous bisglycinate is the preferred form for tolerability. Monitoring every 3-6 months is mandatory.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    Randomized Controlled Trial
                
                
                n=240
                
                
                520 weeks
                
                
                Open-label
                
            

            
                Nutritional deficiencies after sleeve gastrectomy and Roux-en-Y gastric bypass at 10 years: secondary analysis of …
            
            

                
                Dose: None
                
                
                vs: Laparoscopic Roux-en-Y gastric bypass (LRYGB)
                
                
                Outcome: Nutritional deficiency prevalence at 10 years
                
                
                효과: Iron deficiency: LSG 14% vs LRYGB 41%
                
                
                p=0.017 (iron deficiency)
                
            

            
            
대상 집단: Severely obese adults undergoing bariatric surgery

            
        

        
        

            

                
                    Systematic Review
                
                
                
                
            

            
                Preoperative Micronutrient Repletion Strategies in Metabolic and Bariatric Surgery: A Systematic Review.
            
            

                
                Dose: Various (oral supplements, megadoses, injections)
                
                
                vs: Usual care or no treatment
                
                
                Outcome: Micronutrient status pre/post-surgery
                
                
                효과: None
                
                
                None
                
            

            
            
대상 집단: Metabolic and bariatric surgery candidates

            
        

        
        

            

                
                    Review
                
                
                
                
            

            
                Risks and limits of bariatric surgery: old solutions and a new potential option.
            
            

                
                Dose: None
                
                
                vs: Placebo
                
                
                
                효과: None
                
                
                None
                
            

            
        

        
        

            

                
                    Review
                
                
                
                
            

            
                Copper deficiency anemia: review article.
            
            

                
                Dose: None
                
                
                vs: None
                
                
                Outcome: None
                
                
                효과: None
                
                
                None
                
            

            
            
대상 집단: None

            
        

        
        

            

                
                    Review
                
                
                
                
            

            
                Nutritional management of patients after bariatric surgery.
            
            

                
                Dose: None
                
                
                vs: None
                
                
                Outcome: Nutritional management of patients after bariatric surgery.
                
                
                효과: None
                
                
                None
                
            

            
            
대상 집단: None

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
10

        
연구

    

    

        
1000

        
참여자

    

    

        
            
            ↑
            
        
        
Positive

    

    

        B

        
등급

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Comparative Analysis of Postoperative Hair Loss and Micronutrient Deficiencies After One-Anastomosis Gastric Bypass Versus Sleeve Gastrectomy.
                        
                        
                            
                                Other
                            
                            
                            
                        
                    

                    

                        Obesity surgery
                        2026
                        
                    

                

                
                

                    

                        
                            Nutritional deficiencies after sleeve gastrectomy and Roux-en-Y gastric bypass at 10 years: secondary analysis of the SLEEVEPASS randomized clinical trial.
                        
                        
                            
                                RCT
                            
                            
                            
                        
                    

                    

                        The British journal …
                        2025
                        
                        10 인용
                        
                    

                

                
                

                    

                        
                            Preoperative Micronutrient Repletion Strategies in Metabolic and Bariatric Surgery: A Systematic Review.
                        
                        
                            
                                Systematic Review
                            
                            
                            
                        
                    

                    

                        Journal of the …
                        2025
                        
                        6 인용
                        
                    

                

                
                

                    

                        
                            Risks and limits of bariatric surgery: old solutions and a new potential option.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        European review for …
                        2023
                        
                        5 인용
                        
                    

                

                
                

                    

                        
                            The role of iron repletion in adult iron deficiency anemia and other diseases.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        European journal of …
                        2020
                        
                        137 인용
                        
                    

                

                
                

                    

                        
                            Copper deficiency anemia: review article.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        Annals of hematology
                        2018
                        
                        234 인용
                        
                    

                

                
                

                    

                        
                            Nutritional management of patients after bariatric surgery.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        The American journal …
                        2006
                        
                        143 인용
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





            
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units


            
            

                
일반적으로 사용되는 용량

                

                    
                    

                        
general:

                        
8-18 mg/day (RDA)

                    

                    
                    

                        
menstruatingwomen:

                        
18 mg/day

                    

                    
                    

                        
deficiencycorrection:

                        
100-200 mg elemental iron/day under medical guidance

                    

                    
                

                
                

                    상한량: 45 mg/day (elemental iron); excess iron increases oxidative stress
                

                
            

            

            
            

                
연구에서 사용된 용량

                

                    

                        
                            

                                용량
                                기간
                                효과
                                N
                            

                        
                        
                            
                            

                                None
                                520 weeks
                                
                                    
                                    Positive
                                    
                                
                                240
                            

                            
                            

                                Various (oral supplements, megadoses, injections)
                                --
                                
                                    
                                    Mixed
                                    
                                
                                --
                            

                            
                            

                                None
                                --
                                
                                    
                                    Mixed
                                    
                                
                                --
                            

                            
                            

                                None
                                --
                                
                                    
                                    Mixed
                                    
                                
                                --
                            

                            
                            

                                None
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                권장 복용 시간: On empty stomach with vitamin C for absorption; avoid with calcium, coffee, tea
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
보고된 부작용

                    
    
                        
                        
  • 
                            ⚠
                            Constipation
                        
    • 
                        
                        
  • 
                            ⚠
                            Nausea
                        
    • 
                        
                        
  • 
                            ⚠
                            Stomach pain
                        
    • 
                        
                        
  • 
                            ⚠
                            Black stools
                        
    • 
                        
                        
  • 
                            ⚠
                            Oxidative stress (excess iron)
                        
    • 
                        
                    

                

                

                
                

                    
알려진 상호작용

                    
    
                        
                        
  • 
                            ●
                            Levothyroxine (reduced absorption — take 4 hours apart)
                        
    • 
                        
                        
  • 
                            ●
                            Tetracycline antibiotics (reduced absorption)
                        
    • 
                        
                        
  • 
                            ●
                            Calcium supplements (reduced absorption)
                        
    • 
                        
                        
  • 
                            ●
                            Proton pump inhibitors (reduced absorption)
                        
    • 
                        
                    

                

                

                
                

                    

                        일일 최대 섭취 허용량: 45 mg/day (elemental iron); excess iron increases oxidative stress
                    

                

                
            

            

                건강기능식품을 복용하기 전에 반드시 의료 전문가와 상담하십시오.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Iron help with 위 절제 수술 후 영양 지원?
            
        
        

            Based on 10 studies with 1,000 participants, there is moderate evidence from clinical studies that Iron may support 위 절제 수술 후 영양 지원 management. Our evidence grade is B (Good Evidence).
        

    

    
    

        
            How much Iron should I take for 위 절제 수술 후 영양 지원?
            
        
        

            Studies have used various dosages. A commonly studied range is 8-18 mg/day (RDA). Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Iron?
            
        
        

            Reported side effects may include Constipation, Nausea, Stomach pain, Black stools. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Iron and 위 절제 수술 후 영양 지원?
            
        
        

            We rate the evidence as Grade B (Good Evidence). This rating is based on 10 peer-reviewed studies with 1,000 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  




            

                
                

                    
관련 다른 성분: 위 절제 수술 후 영양 지원

                    

                        
                        
                            Vitamin B12
                            B

                        
                        
                        
                            Whey Protein
                            B

                        
                        
                    

                

                

                
                
                
            

        

        

    


    
    






  
References

  
    
    
    
  1. 
      [1]
      Fatemeh Chinisaz et al..
      Obes Surg.
      2026.
      Comparative Analysis of Postoperative Hair Loss and Micronutrient Deficiencies After One-Anastomosis Gastric Bypass Versus Sleeve Gastrectomy.
      doi:10.1007/s11695-026-08597-2
      PubMed
    
    2. 
    
    
  2. 
      [2]
      Ilmari Saarinen et al..
      Br J Surg.
      2025.
      Nutritional deficiencies after sleeve gastrectomy and Roux-en-Y gastric bypass at 10 years: secondary analysis of the SLEEVEPASS randomized clinical trial.
      doi:10.1093/bjs/znaf132
      PubMed
    
    3. 
    
    
  3. 
      [3]
      Xueying Tang et al..
      J Acad Nutr Diet.
      2025.
      Preoperative Micronutrient Repletion Strategies in Metabolic and Bariatric Surgery: A Systematic Review.
      doi:10.1016/j.jand.2024.09.007
      PubMed
    
    4. 
    
    
  4. 
      [4]
      R Gambioli et al..
      Eur Rev Med Pharmacol Sci.
      2023.
      Risks and limits of bariatric surgery: old solutions and a new potential option.
      doi:10.26355/eurrev_202306_32822
      PubMed
    
    5. 
    
    
  5. 
      [5]
      Benjamin Elstrott et al..
      Eur J Haematol.
      2020.
      The role of iron repletion in adult iron deficiency anemia and other diseases.
      doi:10.1111/ejh.13345
      PubMed
    
    6. 
    
    
  6. 
      [6]
      Zin W Myint et al..
      Ann Hematol.
      2018.
      Copper deficiency anemia: review article.
      doi:10.1007/s00277-018-3407-5
      PubMed
    
    7. 
    
    
  7. 
      [7]
      Emmy Parkes.
      Am J Med Sci.
      2006.
      Nutritional management of patients after bariatric surgery.
      doi:10.1097/00000441-200604000-00007
      PubMed
    
    8. 
    
  















    

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        이 내용은 미국 식품의약국(FDA)의 평가를 받지 않았습니다. 이 웹사이트의 제품 및 정보는 질병의 진단, 치료, 완치 또는 예방을 목적으로 하지 않습니다. 제시된 근거 등급은 발표된 동료 심사 연구에 대한 우리의 분석에 기반하며, 의학적 조언을 구성하지 않습니다. 건강기능식품 복용을 시작하기 전에 반드시 의료 전문가와 상담하십시오.