Obesity Surgery

, Volume 29, Issue 10, pp 3212–3219 | Cite as

Laparoscopic Magenstrasse and Mill Gastroplasty (M&M): Midterm Results

  • Maud NeubergEmail author
  • Pierre-Arnaud Wuidar
  • Laurent Kohnen
  • Jenny Deflines
  • Nikos Kotzampassakis
  • Martine Demarche
  • Arnaud De Roover
Original Contributions



The Magenstrasse and Mill gastroplasty (M&M) is a gastric restrictive procedure without band or stomach resection. Short-term evaluation of the laparoscopic procedure showed low morbidity and satisfactory results on weight loss. Evidence of the validity of the technique in the longer term is scarce.


Data from patients who underwent M&M procedure from May 2012 to September 2015 were retrospectively reviewed. Preoperative clinical characteristics and data up to 4 years after operation were analyzed.


A total of 132 patients were included in this study with a mean age of 46 ± 13.4 years. The mean body mass index (BMI) at the time of procedure was 43 ± 4.5 kg/m2. Mean percentage of excess weight loss (%EWL) was 67, 67, 58, and 57% at 1, 2, 3, and 4 years, respectively. The remission rate for diabetes was 36%. About half of the insulin-dependent patients could stop their insulin treatment. Hypertension was resolved in 33.8% of the patients after 4 years. Incidence of vitamin and mineral deficiency was low throughout the study period, less than or equal to 3% for vitamin B12 and 1% for ferritin. Incidence of gastroesophageal reflux did not exceed 15% during the study. Over 75% of the patients reported a good or very good quality of life following the surgery.


These results confirm the validity of M&M as a bariatric procedure. The low incidence of vitamin deficiencies and gastroesophageal reflux might be the important asset of M&M over other existing techniques.


Laparoscopic Sleeve Gastroplasty Magenstrasse and Mill Obesity Surgery 


Compliance with Ethical Standards

The authors declare that they have no conflict of interest.

Ethical Approval

For this type of study, formal consent is not required.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Abdominal Surgery and TransplantationCentre Hospitalier Universitaire de LiègeLiègeBelgium
  2. 2.Department of DiabetologyCentre Hospitalier Universitaire de LiègeLiègeBelgium
  3. 3.Department of Abdominal And Pediatric SurgeryCentre Hospitalier Régional de la CitadelleLiègeBelgium

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