Percutaneous Electrical Neurostimulation of Dermatome T6 for Appetite Reduction and Weight Loss in Morbidly Obese Patients

Abstract

Background

A continuous feeling of hunger is the major cause of dietary treatment failure in obese patients, making dietary leave. The aim of this study was to evaluate the effect of percutaneous electrical neurostimulation (PENS) of T6 dermatome on appetite, weight loss and dietary compliance.

Methods

A prospective, randomized study was performed. The patients were randomized into two groups: those undergoing PENS of dermatome T6 associated with the implementation of a 1,200-Kcal diet (group 1) and those following only a 1,200-Kcal diet (group 2). A third group of obese patients (BMI > 30 Kg/m2) with fecal incontinence undergoing PENS of posterior tibial nerve was evaluated.

Results

One hundred five patients were included in the study, 45 in groups 1 and 2, and 15 in group 3. The median pain perception after PENS of dermatome T6 was 1. There were no complications. Only the patients in group 1 experienced significant reductions of weight, BMI, and appetite. All of the patients in group 1 experienced appetite reduction compared to 20 % of the patients in group 2 and 30 % of the patients in group 3 (p < 0.001). Weight loss ≥5 Kg was achieved in 76.7 % of the patients in group 1, 6.7 % of the patients in group 2, and 0 % of the patients in group 3 (p < 0.001). Dietary compliance after 12 weeks was 93.3 % in group 1, 56.7 % in group 2, and 50 % in group 3(p = 0.006).

Conclusions

PENS of dermatome T6 was associated with appetite reduction in all of the patients and, along with a proper diet, achieved a significantly greater weight reduction than diet alone.

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Conflict of Interests

All authors (Jaime Ruiz-Tovar, M.D., Ph.D., Inmaculada Oller, M.D., Ph.D., María Diez, M.D., Lorea Zubiaga, M.D., Antonio Arroyo, M.D., Ph.D., and Rafael Calpena, M.D., Ph.D.) declare that they have no conflict of interests in the preparation of this manuscript.

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Correspondence to Jaime Ruiz-Tovar.

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Ruiz-Tovar, J., Oller, I., Diez, M. et al. Percutaneous Electrical Neurostimulation of Dermatome T6 for Appetite Reduction and Weight Loss in Morbidly Obese Patients. OBES SURG 24, 205–211 (2014). https://doi.org/10.1007/s11695-013-1091-z

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Keywords

  • Percutaneous electroneurostimulation
  • Dermatome T6
  • Weight loss
  • Appetite reduction