Evaluation of the QRS amplitude of the limb lead I in patients with chronic obstructive pulmonary disease

Evaluation of the QRS amplitude of the limb lead I in patients with chronic obstructive pulmonary disease - Characteristics of ECG in COPD patients

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000026943

Enrollment

Registered

2017-12-20

Start date

2017-01-19

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic obstructive pulmonary disease (COPD)

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Patients diagnosed at the Kochi Medical School Hospital from October 2009 to March 2014 (2) FEV1/FVC < 0.70 after bronchodilator use (3) normal sinus rhythm and free of heart diseases and respiratory diseases other than COPD

Exclusion criteria

Exclusion criteria: (1) Less than 45 years old (2) Respiratory diseases other than COPD (3) Dyslipidemia (4) Diabetes (5) Heart failure

Design outcomes

Primary

Measure	Time frame
Cut-off value of QRS amplitude in the limb lead I	—

Countries

Japan

Contacts

Public ContactAtsushi Ichikawa

Kochi Medical School Department of Cardiovascular Control

ichik@kochi-u.ac.jp088-880-2587

Outcome results