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In patients undergoing CRT device implantation a lead positioning in the coronary sinus is required. Even this part of the surgical procedure is challenging. In this study we compared retrospectively to methods of CS-lead implantation: conventional vs. EP-catheter guided.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Conventional group | In this group CS lead was implanted in a conventional manner. | ||
| EP-catheter group | In this group coronary sinus was canulated using a steerable electrophysiology catheter. |
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| Measure | Description | Time Frame |
|---|---|---|
| Total Fluoroscopy Time | During CRT device implantation fluoroscopy is used and the total fluoroscopy time is counted. | During implantation |
| Contrast medium account | contrast medium is used and counted during crt device implantation. | During surgical procedure |
| Measure | Description | Time Frame |
|---|---|---|
| Successful implantation | Successful crt implantation was defined as effective positioning of RV and CS lead +/- right atrial lead. | During surgical procedure |
| Measure | Description | Time Frame |
|---|---|---|
| Procedure related complications | All complications during time frame of 24 hours after start of surgery were proved whether they were procedure related. | 24 hours after start of surgery |
Inclusion Criteria:
Exclusion Criteria:
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Patients with symptomatic heart failure and reduced left ventricular ejection fraction. Asynchronic contraction of left and right ventricle was reflected by QRS duration > 120 ms in left precordial leads.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Cologne | Cologne | North Rhine-Westphalia | 50937 | Germany |
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| ID | Term |
|---|---|
| D006333 | Heart Failure |
| D002037 | Bundle-Branch Block |
| ID | Term |
|---|---|
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D006327 | Heart Block |
| D001145 | Arrhythmias, Cardiac |
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| D000075224 |
| Cardiac Conduction System Disease |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |