ISSN: 1899-0967
Polish Journal of Radiology
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1/2020
vol. 85
 
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Interventional radiology
abstract:
Original paper

Endovascular treatment of middle cerebral artery aneurysms – single-centre results

Paweł Brzegowy
1
,
Jakub Polak
2
,
Jakub Wnuk
2
,
Bartłomiej Łasocha
3
,
Borys Kwinta
4
,
Andrzej Urbanik
1
,
Tadeusz J. Popiela
1

1.
Chair of Radiology, Faculty of Medicine, Jagiellonian University Medical College, Krakow, Poland
2.
Students’ Scientific Group, Chair of Radiology, Faculty of Medicine, Jagiellonian University Medical College, Krakow, Poland
3.
Department of Radiology, University Hospital in Krakow, Poland
4.
Department of Neurosurgery and Neurotraumatology, Faculty of Medicine, Jagiellonian University Medical College, Krakow, Poland
Pol J Radiol 2020; 85: e650-e656
Online publish date: 2020/12/20
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Introduction
The middle cerebral artery (MCA) is the second most common location of intracerebral aneurysms. Traditionally, they are treated by microsurgical clipping, but with the development of new techniques and devices endovascular embolisation is gaining more importance. The aim of this study was to summarise six years of experience of our department in endovascular treatment of MCA aneurysms.

Material and methods
Forty patients with 41 MCA aneurysms treated in a single centre were included in this study. Data on patients’ comorbidities, aneurysm morphology, and treatment course were collected, with special emphasis on complications.

Results
There were no statistically significant differences in terms of aneurysm morphology between males and females and between ruptured and unruptured aneurysms. None of the diseases analysed in the current study were linked with significantly increased risk of SAH. Unruptured aneurysms were significantly more frequently treated by stent-assisted coiling (30.4% vs. 5.6%, p = 0.0388) than were ruptured aneurysms, while ruptured aneurysms were treated more frequently by coiling alone (77.8% vs. 34.8%, p = 0.0062). After an initial course of treatment 63.4% (n = 26) of patients had class I in Raymond-Roy occlusion classification, 22% (n = 9) had class II, and 14.6% (n = 6) had class III. Complications of the procedure were observed in 17.5% (n = 7) of patients: 22.2% (n = 4) with ruptured and 13.6% (n = 3) with unruptured aneurysms.

Conclusions
Endovascular treatment of MCA aneurysms is feasible, and our results are convergent with other studies. Ruptured MCA aneurysms may be treated endovascularly with similar effects as unruptured MCA aneurysms. The complication rate of such treatment is low.

keywords:

endovascular treatment, MCA aneurysm, stent-assisted coiling




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