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Psychological predictors of poor weight loss following LSG: relevance of general psychopathology and impulsivity

  • Giulia TestaEmail author
  • Roser Granero
  • Cinzia Siragusa
  • Anna Belligoli
  • Marta Sanna
  • Maria Luisa Rusconi
  • Paolo Angeli
  • Roberto Vettor
  • Mirto Foletto
  • Luca Busetto
  • Fernando Fernández-Aranda
  • Sami SchiffEmail author
Original Article
  • 60 Downloads

Abstract

Purpose

After bariatric surgery (BS) a significant minority of patients do not reach successful weight loss or tend to regain weight. In recent years, interest for the psychological factors that predict post-surgical weight loss has increased with the objective of developing interventions aimed to ameliorate post-surgical outcomes. In the present study, predictive models of successful or poor weight loss 12 months after BS were investigated considering pre-surgery level of psychopathological symptoms, dysfunctional eating behaviors and trait impulsivity at baseline (pre-surgery).

Methods

Sixty-nine patients with morbid obesity canditates for laparoscopic sleeve gastrectomy were assessed regarding metabolic and psychological dimensions. Successful post-surgery weight loss was defined as losing at least 50% of excess body weight (%EWL).

Results

Logistic models adjusted for patient sex, age and presence of metabolic diseases showed that the baseline presence of intense psychopathological symptoms and low attentional impulsivity predict poor %EWL (< 50%), as assessed 12-month post-surgery.

Conclusions

The present findings suggest that intensity of general psychopathology and impulsivity, among other psychological factors, might affect post-surgery %EWL. Conducting adequate psychological assessment at baseline of patients candidates for BS seems to be crucial to orient specific therapeutic interventions.

Level of evidence

Level III, case-control analytic study. 

Keywords

Psychological predictors of weight loss Impulsivity Psychopathology Bariatric surgery Laparoscopic sleeve gastrectomy 

Notes

Acknowledgements

This research and some of the authors (G.T. and F.F-A.) were partially funded by Instituto de Salud Carlos III (ISCIII) (Grant numbers: PI17/01167). CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn) is an initiative of ISCII.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical standards

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Ethical approval

The Ethical Committee of the Padua University Hospital (include name of committee + reference number) approved the study.

Informed consent

All subjects gave their informed consent after we provided a full explanation of the study.

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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of PsychiatryUniversity Hospital of Bellvitge-IDIBELLBarcelonaSpain
  2. 2.CIBER Fisiopatología Obesidad y Nutrición (CIBERobn)Instituto de Salud Carlos IIIBarcelonaSpain
  3. 3.Department of Psychobiology and MethodologyAutonomous University of BarcelonaBarcelonaSpain
  4. 4.Department of Medicine—DIMEDUniversity Hospital of PaduaPaduaItaly
  5. 5.Department of Human and Social SciencesUniversity of BergamoBergamoItaly
  6. 6.Centre for the Study and the Integrated Treatment of Obesity (Ce.S.I.T.O)University Hospital of PaduaPaduaItaly
  7. 7.Week Surgery, Department of SurgeryPadova University HospitalPaduaItaly
  8. 8.Clinical Sciences Department, School of MedicineUniversity of BarcelonaBarcelonaSpain

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