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Brief Report

Right Ventricular Dysfunction in Asymptomatic Diabetic Patients

  1. Wojciech Kosmala, MD1,
  2. Paolo Colonna, MD2,
  3. Monika Przewlocka-Kosmala, MD1 and
  4. Walentyna Mazurek, MD, PHD1
  1. 1Department of Cardiology, Medical University, Wroclaw, Poland
  2. 2Division of Cardiology, Azienda Policlinico, Bari, Italy
  1. Address correspondence and reprint requests to Wojciech Kosmala, Klinika Kardiologii AM, Pasteura 4, 50-367 Wroclaw, Poland. E-mail: kosmw{at}kard.am.wroc.pl
Diabetes Care 2004 Nov; 27(11): 2736-2738. https://doi.org/10.2337/diacare.27.11.2736
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    Figure 1—

    Examples of right ventricular myocardial velocity curves in a healthy subject (A) and diabetic patient (B). Both Em and Em-to-Am ratio are lower (9.0 vs. 11.1 cm/s and 0.88 vs. 1.09, respectively) and IRTm longer (60 vs. 37 ms) in the patient with diabetes.

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  • Table 1—

    Clinical and echocardiographic data in diabetic patients and control subjects

    DMN groupDMHT groupControl groupDMN vs. controlDMHT vs. controlDMN vs. DMHT
    n273633———
    Age (years)58.5 ± 11.356.6 ± 9.958.2 ± 7.9NSNSNS
    Male sex14 (52)21 (58)17 (51)NSNSNS
    Duration of diabetes (years)10.1 ± 7.39.3 ± 5.9———NS
    Type of diabetes (type 1/type 2)3/244/32———NS
    Systolic blood pressure (mmHg)128.2 ± 12.3163.5 ± 16.2125.7 ± 11.1NS0.0010.001
    Diastolic blood pressure (mmHg)76.5 ± 5.995.0 ± 8.374.3 ± 7.1NS0.0010.001
    BMI (kg/m2)26.6 ± 4.628.3 ± 3.326.5 ± 3.9NSNSNS
    Fasting plasma glucose (mmol/l)8.0 ± 2.48.3 ± 2.24.7 ± 0.470.0010.001NS
    HbA1c(%)7.5 ± 1.97.7 ± 1.8———NS
    Diabetic retinopathy9 (33)13 (36)———NS
    Microalbuminuria/proteinuria6 (22)9 (25)———NS
    Insulin11 (41)16 (44)0 (0)——NS
    Sulfonylureas14 (52)20 (56)0 (0)——NS
    Metformin6 (22)10 (28)0 (0)——NS
    Left ventricular ejection fraction (%)66.2 ± 6.467.1 ± 7.666.2 ± 9.2NSNSNS
    Right ventricular end-diastolic dimension (mm)20.8 ± 2.921.3 ± 2.720.9 ± 3.0NSNSNS
    Right ventricular free wall thickness (mm)3.8 ± 0.84.0 ± 1.03.7 ± 0.7NSNSNS
    TPSE (mm)19.7 ± 3.120.1 ± 3.219.8 ± 2.7NSNSNS
    Right ventricular E-to-A ratio1.17 ± 0.251.14 ± 0.171.19 ± 0.18NSNSNS
    Right ventricular IRT (ms)54.3 ± 17.354.1 ± 19.243.2 ± 15.50.030.02NS
    Right ventricular basal segment Sm (cm/s)11.8 ± 0.9112.3 ± 2.3412.2 ± 1.63NSNSNS
    Right ventricular basal segment Em (cm/s)9.1 ± 1.918.8 ± 1.8410.5 ± 1.950.0070.003NS
    Right ventricular basal segment Em-to-Amratio0.80 ± 0.200.79 ± 0.170.91 ± 0.220.050.02NS
    Right ventricular basal segment IRTm (ms)40.6 ± 12.841.7 ± 14.637.7 ± 12.9NSNSNS
    Right ventricular mid-segment Sm (cm/s)9.5 ± 1.59.6 ± 2.09.7 ± 1.73NSNSNS
    Right ventricular mid-segment Em (cm/s)7.8 ± 1.497.7 ± 1.608.9 ± 1.840.010.007NS
    Right ventricular mid-segment Em-to-Am ratio0.87 ± 0.200.88 ± 0.180.97 ± 0.190.040.04NS
    Right ventricular mid-segment IRTm (ms)50.8 ± 14.450.2 ± 12.342.3 ± 9.60.0090.006NS
    • Data are n (%) or means ± SD. E-to-A ratio, peak early–to–peak late diastolic velocity ratio; TPSE, tricuspid plane systolic excursion.

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Right Ventricular Dysfunction in Asymptomatic Diabetic Patients
Wojciech Kosmala, Paolo Colonna, Monika Przewlocka-Kosmala, Walentyna Mazurek
Diabetes Care Nov 2004, 27 (11) 2736-2738; DOI: 10.2337/diacare.27.11.2736

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Right Ventricular Dysfunction in Asymptomatic Diabetic Patients
Wojciech Kosmala, Paolo Colonna, Monika Przewlocka-Kosmala, Walentyna Mazurek
Diabetes Care Nov 2004, 27 (11) 2736-2738; DOI: 10.2337/diacare.27.11.2736
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