Fewer Nutrient Deficiencies After Laparoscopic Sleeve Gastrectomy (LSG) than After Laparoscopic Roux-Y-Gastric Bypass (LRYGB)—a Prospective Study

Deficiencies in micronutrients after bariatric operations are frequent, despite routine supplementation. Main outcome measures were pre- and postoperative frequency of nutrient deficiencies and success rate of their treatment. Between 5/2004 and 12/2006, 136 patients (m:f = 0:4) with an average body mass index of 45 (35–58) kg/m2 and age of 53 (21–66) years were prospectively analysed. Laparoscopic Roux-Y-gastric bypass (LRYGB) was performed in...