decreased left ventricular function, cardioverter defribrillator, echocardiography
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients scheduled for internal cardioverter defibrillator implantation; 2. A preoperative left ventricular ejection fraction 17 y; 4. Planned surgery < 2 h.
Exclusion criteria
Exclusion criteria: 1. Patients with COPD, myocardial infarction < 3 m before surgery; 2. Withdrawal from the study is performed whenever a serious adverse event (e.g. major bleeding, shock or death) occurs.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| LV systolic function and contractility will be assessed. | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative problems, such as nausea, vomiting, changes of haemodynamics 20 % beyond baseline measurements, or hypoxia will be reported. Also postoperative nausea and vomiting, shivering dizziness, confusion etc. are stated as adverse events. | — |
Contacts
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