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STI Combined to Valsalva Maneuver for the Diagnosis of Left Ventricular Dysfunction in COPD Exacerbations (STICOPD)

U

University of Monastir

Status

Completed

Conditions

Obstructive Chronic Bronchitis With Acute Exacerbation

Treatments

Device: STI measurements at baseline and under Valsalva maneuver

Study type

Observational

Funder types

Other

Identifiers

NCT02481908
STI in COPD

Details and patient eligibility

About

The aim of this investigation was to assess the value of Systolic Time Intervals (STIs) as a method of detecting Left Ventricular Dysfunction (LVD) in patients admitted to the emergency department for cute exacerbations of chronic obstructive pulmonary disease (AECOPD) and whether STIs measured under Valsalva manoeuver (VM) could improve the distinction between patients with LVD and those without LVD.

Full description

We included patients admitted to the ED for AECOPD. Measurement of STIs included electromechanical activation time (EMAT), left ventricular ejection time and EMAT/LVET ratio. These were performed at baseline and during the first strain phase of the VM using a computerized phono and electrocardiographic method. The diagnosis of LVD was determined on the basis of clinical examination, echocardiography and brain natriuretic peptide. The values of STIs were compared between patients with and without LVD ; their diagnostic performance was assessed using the area under receiver operating characteristic curve (AUC of ROC).

Enrollment

189 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Oxygen Saturation (SPO2) <90%,
  • Respiratory Rate >25c/min,
  • PaCO2 > 6 kPa et pH< 7.35.

Exclusion criteria

  • Neurological distress and hemodynamic instability
  • Confusion, agitation
  • pneumothorax
  • Non cooperative patients
  • Refusal of consent

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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