Research ArticleOriginal Article
Open Access

Effect of bariatric surgery on cardiac function in obese patients

An echocardiographic assessment

Mansur S. Alqunai, Bandar S. Assakran, Adel M. Widyan, Annie Suresh, Abdullah A. Alharbi, Osamah I. Almosallam, Abdullah H. Alromaih, Abdulrahman H. Alashkar, Daliyah F. Alotaibi and Rami M. Abazid
Saudi Medical Journal June 2022, 43 (6) 587-591; DOI: https://doi.org/10.15537/smj.2022.6.20220136

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  • Table 1

    - Baseline characteristics.

    Variablesn (%)
    Gender (male)19 (32.2)
    Age (years), mean±SD37±12
    Body mass index (kg/m2), mean±SD45.8±7.7
    Diabetes12 (20.3)
    Hypertension9 (15.3)
    Family history of coronary artery disease6 (10.2)
    Ejection fraction, mean±SD57±4
    Diastolic dysfunction24 (41.0)
    Hemoglobin A1c, mean±SD5.962±1.17
    Cholesterol (mmol/dl), mean±SD4.427±1.07
    Triglyceride (mmol/dl), mean±SD1.673±0.79
    High-density lipoprotein (mmol/dl), mean±SD1.220±0.34

    SD: standard deviation

    • Table 2 -

      Pre- and post-operative comparison of the patient’s cohort using paired t-test and Chi-square test.

      VariablesPre-operativePost-operativeP-value
      Body mass index (kg/m2)45.8±7.732.7±60.000
      Hemoglobin A1c (%)5.9±1.25.2±0.60.0001
      Cholesterol (mmol/dl)4.4±1.14.151±1.100.014
      Triglyceride (mmol/dl)1.8±0.81.4±0.70.000
      High-density lipoprotein (mmol/dl)1.2±0.31.5±0.50.000
      10-year risk of atherosclerotic cardiovascular1.6±1.81.1±1.60.000
      Lifetime risk of atherosclerotic cardiovascular39.6±13.634.5±6.70.000
      Echocardiography parameters
      Ejection fraction57±456±80.503
      Global longitudinal strain-16.7±4-18.6±80.131
      E velocity (cm/s)59±3885±180.000
      E/A ratio7±49±20.000
      Diastolic dysfunction, n(%)24 (41)6 (10)0.000
      E/E’ ratio9.4±2.89.4±3.30.928
      LVEDD (mm)38.5±1846.5±70.002
      LVESD (mm)25±1131±50.001
      LVESV (mL)42±1840±140.314
      LVEDV (mL)98±33101±250.414
      Left ventricular mass (g)187±255168±2520.019
      Systolic septal thickness (mm)16.09±18.2113.61±3.160.302
      Diastolic septal thickness (mm)13.26±18.679.05±2.330.089
      Pulmonary artery systolic pressure (mmHg)28.95±8.6430.45±7.650.240

      Data are presented as mean ± standard deviation (SD). E/A: mitral E-wave/A-wave velocity. E/E′: tissue Doppler mitral annular diastolic velocity, LVEDD: left ventricular end diastolic diameter, LVESD: left ventricular end-systolic diameters, LVESV: left ventricular end-systolic volume, LVEDV: left ventricular end-diastolic volume

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