Tried Google search for Scott R Paulsen--his name does not show up-must be a young MD. Saw Jonathan Leighton-Chair Endoscopy-Arizona.He is upbeat about Capsule Endoscopy results for Crohn. Please note that Endocapsule of Olympus uses CCD chip rather CMOS chip used in M2A of Given with far better image quality. I think CCD technology and ability to position the Capsule where doctor wants will greatly enhance the Capsule Sales in 5 to 8 years.DDW presentations by several persons is an important achievement.Read the abstract of Allison,Van Dam from Stanford at DDW Los Angeles. Note that all these techniques have their place and advantages/disadvantages.What you describe--Paulsen abstract is true--but look at the cost. Traditional procedures can take biopsy etc.where as Capsule is a Screeing device.But Cheap way to Screen has its place for many.
Here is a more complete reference on another paper that comes to the same conclusion as the Mayo Clinic.
Even with these results, assuming new technology from Pillcam can equal sensitivity and specificity of CT, I believe that PillCam can still "win" because the GI guys get nothing if they refer a patient to a Radiologist. The cost of an abdominal CT scan ranges from $500-$1000.
Paper Authors and Reference:
Hara AK, Leighton JA, Heigh RI, et al. Crohn disease of the small bowel: Preliminary comparison among CT enterography, capsule endoscopy, small bowel follow-through, and ileoscopy. Radiology 2006; 238:128-134