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Assessment of Functional Capacity and Inflammatory Markers in Women With Heart Failure With Preserved Ejection Fraction

F

Federal University of São Paulo

Status

Unknown

Conditions

Coronary Artery Disease
Inflammation
Heart Failure, Diastolic

Study type

Observational

Funder types

Other

Identifiers

NCT02649400
15218913.6.0000.5505

Details and patient eligibility

About

This study assesses the impact of diastolic heart failure on exercise capacity in women who have a previous coronary condition. All the participants will go through the same evaluation.

Full description

It is well established that systolic heart failure impacts exercise capacity and quality of life, diastolic heart failure however, is not well documented as a condition that reduces physical performance.

To confirm that patients have a diastolic disfunction an echocardiography will be performed, this will also yield the left ventricle ejection fraction to confirm the preserved ejection fraction heart failure diagnostics.

Exercise capacity will be assessed using the distance walked on the six-minute walking test, performed on a 30m corridor.

Pulmonary function will be assessed with spirometry and values of forced vital capacity and forced expired volume in one second will be recorded and compared to the age-predicted values.

Respiratory strength will be determined by maximal pressure achieved on a respiratory manometer.

Peripheral muscular strength will be assessed with a handheld dynamometer. Knee extension strength of the dominant leg will be recorded.

An echocardiography will be performed to assess systolic and diastolic function and ejection fraction.

Heart autonomic function will be evaluated using a heart rate monitor and a computer software to identify the sympathovagal balance.

Enrollment

50 patients

Sex

Female

Ages

35 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Women;
  • Aged between 35 and 70 years;
  • Coronary artery disease proven by coronary angiography;
  • Diastolic heart failure confirmed by recent echocardiography (6 months);
  • Left Ventricle ejection fraction of greater than 50%;
  • Absence of acute or chronic pulmonary disease;
  • Patient clinically compensated;
  • Consent form signed for participation in the research

Exclusion criteria

  • Inability to perform spirometry;
  • Presence of acute or chronic pulmonary disease;
  • Chronic inflammatory disease, kidney or liver disease;
  • Patients using corticosteroids, aspirin or other nonsteroidal anti-inflammatory;
  • Clinical or laboratory evidence of infection;
  • Morbid obesity;
  • Hemodynamic instability at the time of spirometry;
  • Patient's or legal guardian request to leave at any time of the study.

Trial design

50 participants in 1 patient group

Diastolic Heart Failure
Description:
Women with diastolic heart failure and previous coronary artery disease

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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