2013
DOI: 10.1253/circj.cj-12-0290
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Abstract: Circulation Journal Official Journal of the Japanese Circulation Society http://www. j-circ.or.jp ortic valve replacement (AVR) with a prosthetic cardiac valve is an established therapeutic approach for significant aortic valve disease. Despite recent advances in prosthetic valve technology and anticoagulant therapy, prosthetic valve obstruction (PVO) due to thrombus or pannus is a serious and occasionally fatal valve-related complication. 1-8 The incidence of PVO due to pannus is generally estimated to be 0.1… Show more

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Cited by 45 publications
(36 citation statements)
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“…Furthermore, the location of our findings is unusual for pannus, as only the prosthetic valve leaflets were involved with sparing of the bare struts on the ventricular side. 24 Data on the value of measuring CT attenuation values for distinguishing prosthetic valve thrombosis from pannus formation are sparse and equivocal. 24,27,28 To date, the largest study with direct comparison of MDCT findings and surgery (n=9) demonstrated higher mean CT attenuation values of pannus when compared with the intraventricular septum.…”
Section: Discussionmentioning
confidence: 99%
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“…Furthermore, the location of our findings is unusual for pannus, as only the prosthetic valve leaflets were involved with sparing of the bare struts on the ventricular side. 24 Data on the value of measuring CT attenuation values for distinguishing prosthetic valve thrombosis from pannus formation are sparse and equivocal. 24,27,28 To date, the largest study with direct comparison of MDCT findings and surgery (n=9) demonstrated higher mean CT attenuation values of pannus when compared with the intraventricular septum.…”
Section: Discussionmentioning
confidence: 99%
“…24 Data on the value of measuring CT attenuation values for distinguishing prosthetic valve thrombosis from pannus formation are sparse and equivocal. 24,27,28 To date, the largest study with direct comparison of MDCT findings and surgery (n=9) demonstrated higher mean CT attenuation values of pannus when compared with the intraventricular septum. 24 Although the generalizability of these previous data is uncertain because CT attenuation values vary between different scanners and convolution kernels, our findings of similar CT attenuation values of the THV cusp masses when compared with the intraventricular septum further strengthen that these masses represent thrombi rather than pannus.…”
Section: Discussionmentioning
confidence: 99%
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“…8, 9 Although there have been remarkable advances in prosthetic valve technology and anticoagulant therapy, prosthetic valve obstruction due to thrombus or pannus is still a serious valve-related complication. 18 The Ross procedure, despite being excellent, may have the risk of pulmonary autograft failure. 10, 11 In the last 2 decades, repair or reconstruction of the aortic valve has become an increasingly attractive alternative to conventional AVR.…”
Section: Discussionmentioning
confidence: 99%
“…This organized structure which includes a fibrous layer, demonstrates a high attenuation capacity at CT scan with values exceeding 145 HU (9).…”
Section: Pannus Thrombus or Mismatchmentioning
confidence: 99%