Right Atrial Thrombosis as a Complication of Arrhythmogenic Right Ventricular Cardiomyopathy

Kurisu, Satoshi; Inoue, Ichiro; Kawagoe, Takuji; Ishihara, Masaharu; Sakai, Yuji; Hata, Tomoko; Nakama, Yasuharu; Kijima, Yasufumi; Kagawa, Eisuke

doi:10.2169/internalmedicine.45.1536

Cited by 9 publications

(11 citation statements)

References 12 publications

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“…In ARVC, RA dilation frequently occurs due to significant tricuspid regurgitation, RA volume and pressure overload, and atrial arrhythmias 21 . In some case studies, it is suggested that RA thrombosis needs to be recognized as a complication of ARVC 22 , 23 .…”

Section: Discussionmentioning

confidence: 99%

Investigation of Atrial Vortices Using a Novel Right Heart Model and Possible Implications for Atrial Thrombus Formation

Gülan

Saguner

Akdiş

et al. 2017

Sci Rep

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The main aim of this paper is to characterize vortical flow structures in the healthy human right atrium, their impact on wall shear stresses and possible implications for atrial thrombus formation. 3D Particle Tracking Velocimetry is applied to a novel anatomically accurate compliant silicone right heart model to study the phase averaged and fluctuating flow velocity within the right atrium, inferior vena cava and superior vena cava under physiological conditions. We identify the development of two vortex rings in the bulk of the right atrium during the atrial filling phase leading to a rinsing effect at the atrial wall which break down during ventricular filling. We show that the vortex ring formation affects the hemodynamics of the atrial flow by a strong correlation (ρ = 0.7) between the vortical structures and local wall shear stresses. Low wall shear stress regions are associated with absence of the coherent vortical structures which might be potential risk regions for atrial thrombus formation. We discuss possible implications for atrial thrombus formation in different regions of the right atrium.

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Section: Discussionmentioning

confidence: 99%

Investigation of Atrial Vortices Using a Novel Right Heart Model and Possible Implications for Atrial Thrombus Formation

Gülan

Saguner

Akdiş

et al. 2017

Sci Rep

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“…Unlike central venous catheters inserted for parenteral nutrition or chemotherapy, RAT formation in patients with dialysis venous catheters is reported to be uncommon, having an incidence of ,6% [4]. Nevertheless, up to 29% of catheter-dependent dialysis patients are found to have mural thrombi on autopsy [5], alluding to a higher actual incidence than is reported.…”

Section: Discussionmentioning

confidence: 95%

Multidetector row CT diagnosis of an infected right atrial thrombus following repeated dialysis catheter placement

Tan

Pua²,

Chia³

2009

BJR

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ABSTRACT. Right atrial thrombus formation is a known complication of dialysis catheter placements. We describe the case of a 61-year-old woman with end-stage renal failure who presented with gram-negative septicaemia. A gas-containing filling defect was noted incidentally in the right atrium during a CT scan of the abdomen and pelvis, indicative of a thrombus infected by a gas-forming organism. The finding correlated with a positive blood culture of Klebsiella pneumoniae and the twodimensional echocardiography finding of an echogenic atrial thrombus.

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“…Right atrial thrombus can also present as a mass and can be easily mis-diagnosed as a myxoma. According to Kurisu et al up to 6% of catheter-dependent patients have catheter related right atrial thrombus [12]. As many patients remain clinically asymptomatic; the incidence of right atrial thrombus may be even higher, as suggested by Ducatman et al who reported that up to 29% of HD patients with permanent catheter were found to have intramural thrombi based on post-mortem examination [13].…”

Section: Discussionmentioning

confidence: 98%

“…The most serious complication of a large right atrial thrombus is pulmonary embolism. According to Edward et al the mortality rate from this complication can reach 45% [12]. In light of this, it is suggested that if the thrombus is larger than 2 cm, an immediate surgical thrombectomy should be considered along with the removal of the catheter [20,21].…”

Section: Discussionmentioning

confidence: 99%

Right Atrial Pseudomyxoma in a Haemodialysis Patient With a Permanent Dialysis Catheter

Berzan¹

2013

J Med Cases

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Right atrial mass related to thrombus or infection is a frequent complication in patients dialysed with permanent catheters. Atrial tumours can present in a similar fashion and despite of satisfactory echographic imaging, it can be misdiagnosed as thrombus or vice versa. We describe the case of a 49-year-old haemodialysis patient who presented with functional small bowel obstruction. A large right atrial mass was noted incidentally during a CT scan of the abdomen and pelvis. The findings on trans-thoracic and transoesophageal echocardiography were suggestive of an atrial myxoma. The patient underwent resection of the mass, which was highly suspicious on gross appearance for neoplasia. Histological examination revealed it to be a well organised thrombus.

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Right Atrial Thrombosis as a Complication of Arrhythmogenic Right Ventricular Cardiomyopathy

Abstract: A 65-year-old woman was admitted to our hospital due to palpitation. Electrocardiogram (ECG)

Cited by 9 publications

References 12 publications

Investigation of Atrial Vortices Using a Novel Right Heart Model and Possible Implications for Atrial Thrombus Formation

Investigation of Atrial Vortices Using a Novel Right Heart Model and Possible Implications for Atrial Thrombus Formation

Multidetector row CT diagnosis of an infected right atrial thrombus following repeated dialysis catheter placement

Right Atrial Pseudomyxoma in a Haemodialysis Patient With a Permanent Dialysis Catheter

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