Research ArticleOriginal Article
Open Access

Neurological complications of bariatric surgery

Hussein A. Algahtani, Abid S. Khan, Muhammad A. Khan, Ahmed A. Aldarmahi and Yousif Lodhi
Neurosciences Journal July 2016, 21 (3) 241-245; DOI: https://doi.org/10.17712/nsj.2016.3.20160039

Article Figures & Data

Figures

  • Figure 1
    Figure 1

    Magnetic resonance imaging brain of one of our patients who developed Wernicke’s encephalopathy following BSP. Images shown are axial images at the level of thalami (A, B, and C) and midbrain (D and E). Sequences are FLAIR images (A and D), T2 WI (B and E) and diffusion image (C). Images show high signal intensity in the medial thalamic nuclei and tectal plate. BSP- bariatric surgical procedures, FLAIR - fluid-attenuated inversion recovery

  • Figure 2
    Figure 2

    Simple drawing of different types of BSP. BSP - bariatric surgical procedures, BPD - biliopancreatic diversion

Tables

  • Table 1

    Description of clinical characteristics of patients undergoing bariatric surgery for obesity.

    VariablesMean (SD)
    MalesFemales
    Age (years)36.7 (±11.7)37.5 (±10.8)
    BMI (kg/m2)48.1 (±8.2)44.1 (±7.7)
    Hospital stay (days)2.2 (±1.5)2.0 (±1.0)
    Follow up (years)2.7 (±1.0)2.7 (±1.0)

    • BMI - body mass index

  • Table 2

    Differences between gender according to surgical procedures and BMI categories among bariatric surgery patients. (N=451)

    BMI CategoriesGenderP-value
    Male n=140Females n=311
    n (%)
    Obese0 (0)13 (4.2)<0.001*
    Severely obese19 (13.6)97 (31.2)
    Morbidly obese121 (86.4)201 (64.6)
    Surgical procedures<0.001*
     Roux-en-Y gastric bypass26 (18.6)20 (6.4)
     Laparoscopic sleeve gastrectomy110 (78.6)287 (92.3)
     Gastric banding4 (2.9)4 (1.3)

    • ↵* Fisher-exact Test, BMI - body mass index

  • Table 3

    Summary of neurological complications in our study among bariatric surgery patients.

    Comorbid conditionn(%)
    Peripheral neuropathy9(2)
    Vitamin B12 deficiency2(0.4)
    Guillain-Barre syndrome2(0.4)
    Wernicke encephalopathy1(0.2)
    Copper deficiency1(0.2)
    No neurological complications436(96.7)
    Total451(100)
  • Table 4

    List of the common co-morbidities present in our study among bariatric surgery patients.

    Comorbid conditionn(%)
    Hypertension87(19.3)
    Diabetes mellitus68(15.1)
    Dyslipidemia43(9.5)
    Obstructive sleep apnea33(7.5)
    Hypothyroidism33(7.3)
    Asthma25(5.5)
    Joint disease23(5.3)
    Gastroesophageal reflux disease8(1.8)
    Idiopathic intracranial hypertension2(0.4)
    Back pain1(0.2)
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