Imaging of endoleaks after endovascular aneurysm repair (EVAR) with contrast-enhanced ultrasound (CEUS). A pictorial comparison with CTA

Clevert, D.‐A.; Minaifar, N.; Kopp, Reinhard; Stickel, M.; Meimarakis, G.; Sommer, Wieland H.; Reiser, Maximilian

doi:10.3233/ch-2009-1160

Cited by 28 publications

(23 citation statements)

References 34 publications

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“…Die MB oszillieren durch die Einwirkung der Schallwellen und erzeugen so eine kontinuierliche Ver- besserung des Kontrasts der Grauabstufung [29,30]. Die empfohlene Dosis für eine Einzelinjektion beträgt je nach verwendetem Ultraschallgerät und Untersuchungsregion zwischen 1,0 und 1,6 ml [29,31]. Anschließend an die Injektion des Kontrastmittels sollen 10 ml 0,9 %ige Kochsalzlösung im Bolus injiziert werden [29].…”

Section: Dreidimensionaler Ultraschallunclassified

“…Typ-II-Endoleaks werden weiter- gehend nach Anzahl der beteiligten Gefäße in Typ II a (1 Zu-und 1 Abfluss; l " Abb. 4) und Typ II b (multiple Zu-und Abflüsse) unterteilt [31].…”

Section: Endoleak Typ IIunclassified

“…B. Defekt oder Dislokation des Stentgrafts, verursacht. Auch das Schrumpfen des Aneurysmasacks nach erfolgreicher EVAR kann zu erhöhtem Druck auf den Stentgraft und somit zu einer Beschädigung führen, was vor allem bei älteren Stentgraftmodellen vorkam und aktuell nur noch selten beobachtet wird [31].…”

Section: Endoleak Typ IIIunclassified

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Neue Applikationen und Indikationen der Kontrastmittelsonografie im Rahmen des Aortenstentings

et al. 2015

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After edovascular repair of infrarenal aortic aneurysms (EVAR) endoleaks may occur necessitating further therapy. Therefore a reliable method for follow-up imaging after EVAR for detection and control of endoleaks is of high importance. Contrast-enhanced sonography (CEUS) does not require the application of nephrotoxid contrast media and does not stress the patient. CEUS is increasingly used and enables a quick, non-invasive follow-up examination for patient after EVAR. In addition, interventions as therapy for endoleaks may be executed using ultrasound. Initial experience with CEUS-guided aortic stenting shows that the amount of contrast media as well as X-ray time may be reduced.

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Section: Dreidimensionaler Ultraschallunclassified

“…Typ-II-Endoleaks werden weiter- gehend nach Anzahl der beteiligten Gefäße in Typ II a (1 Zu-und 1 Abfluss; l " Abb. 4) und Typ II b (multiple Zu-und Abflüsse) unterteilt [31].…”

Section: Endoleak Typ IIunclassified

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Neue Applikationen und Indikationen der Kontrastmittelsonografie im Rahmen des Aortenstentings

et al. 2015

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“…In recent years the introduction of ultrasound contrast agents has largely extended the indications of US [15–19]. The ultrasound contrast medium was used originally to enhance the depiction of blood and has approval for use in Doppler ultrasound of macrovessels (cerebral, intracranial) and microvessels (vascularity of liver and breast).…”

Section: Discussionmentioning

confidence: 99%

“…The ultrasound contrast medium was used originally to enhance the depiction of blood and has approval for use in Doppler ultrasound of macrovessels (cerebral, intracranial) and microvessels (vascularity of liver and breast). Current publications show useful applications for the assessment of the vascular system of tumours in liver, kidney, spleen, diagnostic of vesico‐renal reflux, evaluation of TIPS‐shunts or documentation of active bleeding in abdominal trauma [15,18–24].…”

Section: Discussionmentioning

confidence: 99%

Detection of urinary leakage after radical retropubic prostatectomy by contrast enhanced ultrasound – do we still need conventional retrograde cystography?

Schoeppler

Büchner²,

Zaak³

et al. 2010

BJU International

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Study Type – Diagnostic (exploratory cohort) Level of Evidence 2b INTRODUCTION To prospectively evaluate the accuracy of transvesical contrast‐enhanced ultrasound (CEUS) as an alternative method for the detection of anastomotic leakage after radical retropubic prostatectomy (RRP) in comparison with the current standard method of conventional retrograde cystography (CG). PATIENTS AND METHODS Forty‐three patients underwent RRP for histologically proven localized prostate cancer. The vesico‐urethral anastomosis was evaluated 8 days after RRP by CG and CEUS. Any peri‐anastomotic leakage was assessed and determined in CG and CEUS as follows: no extravasation (EV), small leakage (≤0.5 cm), moderate leakage (>0.5 cm to ≤2 cm), large leakage (>2 cm diameter of EV seen). RESULTS In total, 21 (49%) patients showed a watertight anastomosis. Ten (23%), two (4.7%) and ten (23%) patients showed a small, intermediate and large EV, respectively. In 31 cases (72%) there was 100% agreement of CG and CEUS for detection of no, moderate and large EV, respectively. In nine cases a small and in two cases a moderate EV was categorized as watertight anastomosis by CEUS. Only in one case did CG detect a small EV where a large EV was detected in CEUS. The agreement between both methods was 95% for detecting absence or large leakages. CONCLUSION CEUS is a promising imaging modality that seems to be equivalent to CG for detecting the presence of a large anastomotic leakage that is clinically relevant for postoperative persistence of the indwelling catheter. CEUS could be a cheap and time‐saving alternative to the CG without exposure of the patient to radiation.

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Präklinische Bildgebung im Tiermodell bei Strahlentherapie

et al. 2012

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Imaging of endoleaks after endovascular aneurysm repair (EVAR) with contrast-enhanced ultrasound (CEUS). A pictorial comparison with CTA

Cited by 28 publications

References 34 publications

Neue Applikationen und Indikationen der Kontrastmittelsonografie im Rahmen des Aortenstentings

Neue Applikationen und Indikationen der Kontrastmittelsonografie im Rahmen des Aortenstentings

Detection of urinary leakage after radical retropubic prostatectomy by contrast enhanced ultrasound – do we still need conventional retrograde cystography?

Präklinische Bildgebung im Tiermodell bei Strahlentherapie

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