Heart Failure and Sleep Disordered Breathing

Characteristics of Arrhythmia and Heart Rate Variability in Patients With Heart Failure and Sleep Disordered Breathing

The purpose of this study is to analyze and summarize the characteristics of arrhythmia and heart rate variability of Chinese patients with three different types of heart failure combined with sleep disordered breathing based on the clinical data, to provide new diagnosis and treatment ideas for domestic patients, and then to improve the prognosis of patients betterly.

Inclusion Criteria:

1. Age >18 years.
2. The diagnosis of heart failure conforms to the criteria of the Chinese Guidelines for the Diagnosis and Treatment of Heart Failure .
3. Echocardiography, dynamic electrocardiogram and polysomnography monitoring should be improved during the period of hospitalization.
4. Patients with sleep apnea have not received standard treatment.

Exclusion Criteria:

1. Patients undergoing cardiac surgery in the past 6 weeks.
2. Patients with acute decompensated heart failure or heart failure requiring oxygen therapy.
3. All patients with sleep apnea who receive standard treatment.
4. Patients who use pacemakers or implantable cardioverter defibrillators.
5. The patient did not complete the echocardiography, dynamic electrocardiogram, and polysomnography monitoring during hospitalization.