The device was not returned for analysis.Since the device was not analyzed, the event could not be confirmed.Vessel injuries and hemorrhages are known inherent risk of mechanical thrombectomy procedure and are documented in the solitaire instruction for use (ifu).Based on the reported information, there is no evidence suggesting that the device was defective, but rather a procedure related event.Mdr related to this event: 2029214-2017-00102 2029214-2017-00103 2029214-2017-00104 2029214-2017-00105 2029214-2017-00106 2029214-2017-00107.
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Medtronic received report through literature review of "outcome of standard and high-risk patients with acute anterior circulation stroke after stent retriever thrombectomy" gratz pp1, jung s, schroth g, gralla j.Stroke.2014 jan;45(1):152-8.Doi: 10.1161/strokeaha.113.002591.Epub 2013 nov 21.Vessel perforation was observed in 2 patients (1, m1 and 1, m2 perforation).Bleeding stopped spontaneously in the patient with the m1 perforation after retraction of the stent retriever, and we were able to stop the bleeding in the patient with the m2 perforation by superselective occlusion of the mca branch with a drop of glue (competitor material).In both patients, follow- up ct on the next day showed no extension of the subarachnoid hemorrhage.There was also report 11 dissections, however, there was no specific allegation of the contributing device.9 patients had clinically symptomatic complications.Most of the symptomatic complications were related to problems in the cervical ica such as iatrogenic dissection (3 of 9).Distal clot embolization was observed in 15 patients.6 embolizations occurred in a previously uninvolved vascular territory.No negative impact was reported for these 21 patients.
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