Hyperglycemia and nocturnal systolic blood pressure are associated with left ventricular hypertrophy and diastolic dysfunction in hypertensive diabetic patients
2006

Impact of Hyperglycemia and Nocturnal Blood Pressure on Heart Health in Diabetic Patients

Sample size: 176 publication 10 minutes Evidence: moderate

Author Information

Author(s): Felício João S, Pacheco Juliana T, Ferreira Sandra R, Plavnik Frida, Moisés Valdir A, Kohlmann Oswaldo Jr, Ribeiro Artur B, Zanella Maria T

Primary Institution: Universidade Federal do Pará

Hypothesis

Do hypertensive type 2 diabetic patients have increased left ventricular mass index and worse diastolic function compared to patients with essential hypertension?

Conclusion

Hyperglycemia and higher nocturnal systolic blood pressure levels are linked to a greater prevalence of left ventricular hypertrophy in hypertensive patients with Type 2 diabetes.

Supporting Evidence

  • Diabetic patients had a higher average nocturnal systolic blood pressure compared to essential hypertensive patients.
  • Left ventricular mass index was significantly higher in diabetic patients.
  • Diabetic patients showed worse diastolic function compared to healthy controls.

Takeaway

This study found that people with diabetes and high blood pressure have bigger hearts and worse heart function, especially when their blood sugar is high at night.

Methodology

The study involved 176 subjects, including 91 diabetic patients, 59 essential hypertensive patients, and 26 healthy controls, who underwent 24-hour blood pressure monitoring and echocardiography.

Potential Biases

Potential bias due to the exclusion of patients with certain heart conditions and reliance on self-reported blood pressure monitoring.

Limitations

Some patients could not have their left ventricular mass index measured due to technical issues, and the study did not include patients with ischemic or valvular heart disease.

Participant Demographics

The study included 91 hypertensive type 2 diabetic patients (64 women, 27 men), 59 essential hypertensive patients (46 women, 13 men), and 26 healthy controls (11 men, 15 women).

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2840-5-19

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