DBP3:Utah:RegCases - Revision history

Sbengali at 23:42, 16 November 2012

2012-11-16T23:42:36Z

2012-11-16T23:40:14Z

Implementation

2012-11-15T23:43:10Z

2012-11-15T23:30:00Z

2012-10-11T19:49:08Z

2012-10-11T17:59:11Z

Implementation

2012-05-10T18:21:22Z

2012-05-10T00:14:25Z

2012-05-10T00:14:03Z

2012-05-10T00:12:43Z

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-* Pre-ablation scans are acquired before the procedural.  Bright portions in the LA wall is indicative of fibrosis; fibrosis scores are used to stratify and triage patients based on their Utah score.
+* Pre-ablation scans are acquired before the procedural.  Bright portions in the LA wall are indicative of fibrosis; fibrosis scores are used to stratify and triage patients based on their Utah score.
 * Post-ablation scans are acquired 3 months and later after the procedure.  These scans have higher contrast (brighter regions) in the LA wall indicative of scaring from the ablation procedure.
 * Segmentations will be binary label masks manually-contoured by experts at CARMA.

@@ Line 89: / Line 89: @@
 * We are currently defining an optimized set of registration parameters for each of the above cases
-* A [[DBP3:Utah:SlicerModuleCardiacRegistration | Slicer extension module]] has been developed and pre-defined registration parameters are being tuned for each of the above scenarios
+* A [[DBP3:Utah:SlicerModuleCardiacRegistration | Slicer extension module]] has been developed and pre-defined registration parameters have been tuned for a few of the above scenarios
 * The module takes as input two image volumes and a drop-down menu lets the user select the appropriate registration scenario
 * The module returns a registered output image
 * Advanced registration parameters can be adjusted in order to improve the registration output

@@ Line 89: / Line 89: @@
 * We are currently defining an optimized set of registration parameters for each of the above cases
-* A Slicer extension module has been developed and pre-defined registration parameters are being tuned for each of the above scenarios
+* A [[DBP3:Utah:SlicerModuleCardiacRegistration | Slicer extension module]] has been developed and pre-defined registration parameters are being tuned for each of the above scenarios
-* The module takes as input two images; a drop-down menu lets the user select the appropriate registration scenario
+* The module takes as input two image volumes and a drop-down menu lets the user select the appropriate registration scenario
 * The module returns a registered output image

@@ Line 15: / Line 15: @@
 | [[File:carma_ex_post.png|thumb|center]]
 | [[File:carma_ex_pre_seg.png|thumb|center]]
 |-
 ! MRA Image
@@ Line 29: / Line 25: @@
 |-
 |}
 * Pre-ablation scans are acquired before the procedural.  Bright portions in the LA wall is indicative of fibrosis; fibrosis scores are used to stratify and triage patients based on their Utah score.

@@ Line 52: / Line 52: @@
 Registration of images from animals with induced AF to examine the progression of the disease. There will be multiple time points for each animal; scans are often acquired monthly.  Registration will allow for changes in shape, volume, and fibrosis distribution to be examined.  We may also look at registering images across different animals.
-* Logitudinal pre-ablation scans -- Nathan Burgon/Chris McGann
+* Longitudinal pre-ablation scans -- Nathan Burgon/Chris McGann
 Similar to the UMAC AF progression study, examining the progression of AF in humans.  Scans will all be longitudinal pre-ablation; these scans typically come from patients who opt not to be ablated.  The time between scans will likely be irregular and possibly as much as a couple years.

@@ Line 21: / Line 21: @@
 |-
 ! MRA Image
-! Immediately Post-ablation (IPA) LGE-MRI Image
+! Immediately Post-ablation LGE-MRI Image
 |-
 | [[File:carma_ex_mra.png|thumb|center]]
 | [[File:Carma_no_reflow.png|thumb|center]]
 |-
 |}

@@ Line 34: / Line 34: @@
 * Immediately-post ablation scans exhibit large, bright areas in and around the LA walls, reflecting edema and shape changes caused by the ablation procedures.
 * CT scans are less common but can be acquired with a contrast agent to delineate the bounds of the blood pool.  Many of our CT scans are acquired with a C-arm fluoroscopy unit rather than a traditional CT scanner.
 == Registration Case Types ==

← Older revision		Revision as of 00:12, 10 May 2012
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		+
		+	* Pre-ablation scans are acquired before the procedural. Bright portions in the LA wall is indicative of fibrosis; fibrosis scores are used to stratify and triage patients based on their Utah score.
		+	* Post-ablation scans are acquired 3 months and later after the procedure. These scans have higher contrast (brighter regions) in the LA wall indicative of scaring from the ablation procedure.
		+	* Segmentations will be binary label masks manually-contoured by experts at CARMA.
		+	* MRAs have a bright blood pool, the bounds of which indicate the endocardial surface of the LA wall.
		+	* Immediately-post ablation scans exhibit large, bright areas in and around the LA walls, reflecting edema and shape changes caused by the ablation procedures.