Calcium and Reduced Calcium Level

• The Nutritional Challenges Following Revisional Bariatric Surgery After Sleeve Gastrectomy: A Systematic Review and Meta Analysis.

  • 2025-11-05
  • Meta-Analysis · n = 49
  • Obesity surgery 35(12)
  • • Hassan El-Masry
    • Mohamed H Mahmoud
    • Batool Sami Mohamed
    • Dina Elraggal
    • Mostafa H Elkholy
    • Ahmed Abokhozima

  • PubMed: 41193797
  • DOI: 10.1007/s11695-025-08325-2

  7 Insights on

  • Reduced Calcium Level

  • High evidence
  • Clinical

  Deficiencies in key micronutrients such as vitamin D, vitamin B12, albumin, calcium, zinc and iron were reported across revision types.

  Effect

  Neutral

  Effect size

  Small

  Significant

  No