Abstract:
:The present study aimed to determine the clinical presentation, the multimodal interdisciplinary treatment strategies and outcome of posterior fossa arterio-venous malformations (AVMs) in our neurovascular centre. Fifty-three patients with a posterior fossa AVM were seen between 1998 and 2012 and analysed retrospectively. Patients were either managed conservatively or treated with endovascular, microsurgical or radiosurgical procedures or in combination. Thirty-nine patients (74 %) presented with intracranial haemorrhage and 14 patients (26 %) with unspecific symptoms. In 22 cases with haemorrhage (56 %), an intracerebellar haematoma was found, whereas 17 patients (44 %) suffered from subarachnoid haemorrhage. AVMs were located in the cerebellum in 44 patients (83 %), in the brainstem in four patients (7.5 %) and the cerebello-pontine angle in another four individuals (7.5 %). Forty-two patients (79 %) were treated either by emboliziation (n = 12, 29 %), surgical resection (n = 16, 38 %), surgical resection with preoperative embolization (n = 12, 29 %) or radiotherapy alone (n = 2, 4 %). A total of eleven patients did not receive any treatment (21 %). Both, morbidity and mortality related to treatment were 12 %, whereas overall morbidity and mortality was 26 and 15 %, respectively. Complete AVM elimination was achieved in 81 % of the treated lesions. A multimodal treatment sequence nowadays represents the gold standard for posterior fossa AVMs. Patients are at high risk for morbidity and mortality, due to the impact of haemorrhage and treatment. Therefore, treatment has to be thoroughly indicated, especially for those patients without bleeding. The initial neurological condition seems to be crucial in terms of clinical outcome.
journal_name
Neurosurg Revjournal_title
Neurosurgical reviewauthors
Stein KP,Wanke I,Schlamann M,Dammann P,Moldovan AS,Zhu Y,Sure U,Sandalcioglu IEdoi
10.1007/s10143-014-0551-9subject
Has Abstractpub_date
2014-10-01 00:00:00pages
619-28issue
4eissn
0344-5607issn
1437-2320journal_volume
37pub_type
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