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Background. X-ray cholangiography has a high sensitivity and specificity of detecting bile duct stones and is the gold standard. There are no studies describing the sensitivity and specificity of IFC for bile duct stone detection.
Research question. What is the sensitivity of IFC to visualize bile duct stones? Method. Prospective study with 40 patients undergoing planned laparoscopic cholecystectomy with preoperative magnetic resonance cholangiopancreatography (MRCP) (gold standard) and intraoperative IFC, X-ray cholangiography and choledochuscopy in that order.
Primary outcome. Sensitivity of visualization of bile duct stone by fluorescent cholangiography and secondary outcome is visualization of anatomy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| MRCP positive | Experimental |
| |
| MRCP negative | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Presence of bile duct stones | Diagnostic Test | MRCP verified gall stones in the bile ducts |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Sensitivity and specificity | Sensitivity and specificity of visualization of bile duct stones by intraoperative fluorescent cholangiography | 120mins |
| Measure | Description | Time Frame |
|---|---|---|
| Visualization | Visualization of the extrahepatic bile ducts | 120mins |
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Inclusion criteria
Exclusion criteria
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| Name | Affiliation | Role |
|---|---|---|
| Lars L Lehrskov, MD | Hvidovre University Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hvidovre University Hospital | Holte | Danmark | 2840 | Denmark |
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| ID | Term |
|---|---|
| D042882 | Gallstones |
| ID | Term |
|---|---|
| D002769 | Cholelithiasis |
| D001660 | Biliary Tract Diseases |
| D004066 | Digestive System Diseases |
| D041761 | Cholecystolithiasis |
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| Non-presence of bile duct stones |
| Diagnostic Test |
MRCP without bile duct stones |
|
| D005705 |
| Gallbladder Diseases |
| D002137 | Calculi |
| D020763 | Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |