Congenital Pulmonary Arteriovenous Aneurysm

Sty,; Thomas, Justin; Gallen, William J.

doi:10.1097/00003072-198102000-00012

Cited by 6 publications

(10 citation statements)

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“…A pulmonary AVF has been defined as an abnormal connection between the pulmonary arterial and venous system that bypass the pulmonary capillary bed [1,2,4,5].…”

Section: Discussionmentioning

confidence: 99%

“…For quantitative assessment, the two nuclear medicine specialists calculated the right-to-left shunt index (%) on a whole-body scan, according to the method described earlier [1,2]. The mean value of the two-time measurements by these observers was used for the index.…”

Section: Image Interpretationmentioning

confidence: 99%

“…The detection of such tiny AVFs is important, as the magnitude of the right-to-left shunt does not dependent on the size of the AVF [1,3]. Occasional cases of AVF, which did not show sufficient recovery of hypoxemia after intervention, have been reported [2,15,17,18].…”

Section: Spect-ct Fusion Imagementioning

confidence: 99%

“…In patients with pulmonary arteriovenous fistula (AVF), the effect of the intrapulmonary right-to-left shunt of blood flow causes lung perfusion defects and hypoxemia [1][2][3][4][5][6]. In these patients, the 'steal phenomenon' associated with hyper-perfused pulmonary arteries connecting to AVF may also cause perfusion defects in the surrounding lung of AVF and hypoxemia, similar to brain AVF [3,7].…”

Section: Introductionmentioning

confidence: 99%

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Steal phenomenon-induced lung perfusion defects in pulmonary arteriovenous fistulas: assessment with automated perfusion SPECT-CT fusion images

Suga

Iwanaga²,

Tokuda³

et al. 2010

Nuclear Medicine Communications

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“…A pulmonary AVF has been defined as an abnormal connection between the pulmonary arterial and venous system that bypass the pulmonary capillary bed [1,2,4,5].…”

Section: Discussionmentioning

confidence: 99%

Section: Image Interpretationmentioning

confidence: 99%

Section: Spect-ct Fusion Imagementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Steal phenomenon-induced lung perfusion defects in pulmonary arteriovenous fistulas: assessment with automated perfusion SPECT-CT fusion images

Suga

Iwanaga²,

Tokuda³

et al. 2010

Nuclear Medicine Communications

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show abstract

“…1a). The shunt rate estimated using Sty's method [18] was 25.0%. Planar lung scans showed slightly decreased perfusion only in the left lung base.…”

Section: Casementioning

confidence: 93%

Findings of hepatopulmonary syndrome on breath-hold perfusion SPECT-CT fusion images

Suga¹,

Kawakami²,

Iwanaga

et al. 2009

Ann Nucl Med

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Pulmonary perfusion SPECT-CT fusion images were used to characterize CT manifestations of intrapulmonary arteriovenous communications (AVC) causing right-to-left shunt and hepatopulmonary syndrome (HPS). After scanning the whole body and obtaining multiple view images of the lung, deep-inspiratory breath-hold (DIBrH) SPECT was obtained in 2 patients with HPS, which was automatically and three-dimensionally co-registered with DIBrH CT. In both patients, the whole body scan depicted systemic organs and confirmed the existence of right-to-left shunt. DIBrH SPECT-CT fusion images showed that perfusion defects were predominantly located at subpleural reticulo-nodular opacities and/or dilated vessels in the lung base. Subpleural reticulo-nodular opacities and/or dilated vessels in the lung base appear to be characteristic CT manifestation of intrapulmonary AVC in HPS.

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Scintigraphy of throacic aortic and innominate arterial aneurysms: The value of the 99mTc-pertechnetate first pass study with subsequent in vivo labeling of red blood cell pool

et al. 1982

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Congenital Pulmonary Arteriovenous Aneurysm

Cited by 6 publications

References 0 publications

Steal phenomenon-induced lung perfusion defects in pulmonary arteriovenous fistulas: assessment with automated perfusion SPECT-CT fusion images

Steal phenomenon-induced lung perfusion defects in pulmonary arteriovenous fistulas: assessment with automated perfusion SPECT-CT fusion images

Findings of hepatopulmonary syndrome on breath-hold perfusion SPECT-CT fusion images

Scintigraphy of throacic aortic and innominate arterial aneurysms: The value of the 99mTc-pertechnetate first pass study with subsequent in vivo labeling of red blood cell pool

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