Abstract:

Introduction: renal arteriovenous malformation (AVM) is a pathological communication between renal arteries and veins, both acquired and congenital. Congenital AVMs of kidneys, on average, remain asymptomatic for up to 30-40 years, occurring mainly in women, may manifest with hematuria and pain. Nephrectomy is known to be historical method of treating AVM of the kidney, however, with the development of angiographic instrumentation, endovascular methods of treatment began to be introduced into practice more often.

Case report: a 30-year-old female patient with ongoing recurrent bleeding from the urogenital tract. Performed preoperative examination: laboratory tests, cystoscopy, ultrasound, multispiral computed tomography. Patient underwent angiography followed by embolization of kidney AVM with Squid.

Results: intraoperatively, it was noted that AVM embolization is partial. During the first day of the observation period, the presence of postembolization syndrome in the form of hyperthermia, pain and dysuric syndromes, a phenomenon of systemic reaction according to laboratory tests were noted. After 1,5 months, patient was hospitalized for second stage of embolizaion, but during angiography it appeared, that AVM is totally embolized.

Conclusions: renal artery embolization in patients with renal arteriovenous malformations is a minimally invasive, effective method of treatment.

1. The process of selective embolization is controlled and can be used as an independent method of treatment.

2. Due to selective catheterization of arteries and the infusion of agent directly into the affected area, segmental infarction occurs, as a result of which there is minimal destruction of the healthy part of the kidney parenchyma, the function of the kidney will not suffer.

References

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Abstract:

Results of successful surgical treatment of a patient with an extremely rare disease - Parkes-Weber- Rubashov syndrome, manifestating by arteriovenous malformations of the lower limb and spinal cord are presented. Endovascular embolization of arteriovenous malformation of the lower limb was treated with use of three Flipper coils due to the severity of the clinical symptoms. A conclusion about the effectiveness of this method of treatment is presented. 

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Abstract:

This case report is about endovascular treatment of pulmonary arteriovenous malformations accompanied by severe arterial hypoxemia in the newborn. The peculiarity of this case is the extreme rarity of manifestation and successful treatment of the pathology in infancy The second feature was the use of vascular occlude devices. Currently due to the sporadic clinical observations in newborn, we consider to appropriate description of this case, focusing on the technical aspects of the intervention. 

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Abstract:

Aim: was to evaluate possibilities and advantages of endovascular treatment of intracranial aneurysms (IA) and arteriovenous malformations (AVM) using three-dimensional navigation (3D-roadmapping).

Materials and methods: during 2010-2013 years 103 embolizations of IA and AVM ir 88 patients were performed in our angiography department. Embolizations of IA were managed by metallic detachable coils, embolizations of AVM - by Histoacryl : Lipiodol glue composition. 3D-roadmapping technique was applied for guidance of endovascular tools in cerebral arteries anc catheterization the IA cavity and AVM-feeding arteries during the procedure. 3D-roadmapping technique is based on creation of composite images that consist of two-dimensional fluoroscopic views superimposed on virtual three-dimensional model of the vessel.

Results: endovascular interventions with 3D-roadmapping were performed in 65(63%) cases. In 49 (75%) cases we used 3DRA data to create three-dimensional model of cerebral vessels and in 16 (25%) cases - CT-angiography data. Complex algorithm of diagnosis and endovascular treatment of IA and AVM using 3D-roadmapping was introduced.

Conclusion: our experience of the endovascular embolization of IA and AVM with 3D-roadmapping convincingly showed that usage of this technique is possible and effective. In comparison with two-dimensional navigation there was a tendency in reduction of the effective exposure dose, also there was a statistically significant decrease of amount of contrast material , and of time for superselective catheterization of AVM-feeding arteries and IA cavity. 

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Abstract:

Arteriovenous malformation (AVM) of kidney - is rarely seen vascular anomaly, with clinical polymorphism (hematuria, hypertension, left ventricular hypertrophy, heart failure, abdominal pain), and difficult diagnostic algorithms and is often a cause for radical organ-resecting operations (nephrectomy).

Article describes a case report of 37 years old patient with a diagnosis of «arteriovenous malformation of left renal artery», and the clinical picture of hematuria, post-hemorrhagic anemia. Patient underwent ultrasound of kidneys and bladder (no disease found) and multi-slice computed tomography (AVM of upper pole of left kidney, sized 5,4x5,0 cm).

Patient underwent endovascular embolization of AVM with 4 coils «Flipper». Patients was discharged on the 7th day without complications after the control ultrasound and MSCT The use of selective endovascular embolization of renal AVM reduces or removes clinical manifestations, and has lower operational risks, as well as allows you to save the function of the intact portion of renal parenchyma, which don't lead to patient's disability (in comparison with to organ-resecting surgery).

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