Document Detail

Immediate postoperative angiography after aneurysm clipping--implications for quality control and guidance of further management.
MedLine Citation:
PMID:  15118918     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: To determine the impact of postoperative angiography after aneurysm clipping on quality control and further management. METHODS: A recent consecutive series of n = 296 patients (186 females, 110 males, mean age 51 yrs) who underwent 324 craniotomies to clip 384 aneurysms was reviewed. New irregularities on postoperative angiographies were categorized as unrelated (e. g. vasospasm) or related (= vessel occlusion/residuum) to clipping and expected or unexpected by the surgeon. Therapies prompted by these findings as well as subsequent negative sequelae were analyzed. Factors related to negative events were identified by logistic regression (p < 0.05). RESULTS: Twenty-six (8%) unrelated findings prompted medical or intravascular therapy. Of 36 (9.4%) clip-related findings (n = 17 occlusions, n = 19 residua), 14 (3.6%) were unexpected (n = 9 occlusions, n = 5 residua). This was followed by 9 (2.3%, n = 4 occlusions, n = 5 residua) clip readjustments and 6 aggressive medical therapies. Nine patients were scheduled for angiographic follow-up, of which in five performed so far no change of aneurysm remnants was noted. Permanent sequelae from vessel occlusion occurred in 9 cases. Major premature rupture (p < 0.005), giant size/fusiform configuration (p < 0.001), posterior circulation aneurysms (p < 0.05) and ophthalmic segment location (p < 0.008) were significantly related to adverse postoperative findings. The use of microvascular Doppler significantly reduced the rate of unexpected vessel occlusion (3.3 vs. 0.9%). CONCLUSIONS: Apart from the need for quality control in aneurysm clipping--especially with respect to coiling--our results stress the importance of postoperative angiography, because a small, but significant subset of patients will benefit from immediate intervention and/or deserves long-term follow-up.
B Meyer; H Urbach; C Schaller; M Baslam; J Nordblom; J Schramm
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Zentralblatt für Neurochirurgie     Volume:  65     ISSN:  0044-4251     ISO Abbreviation:  Zentralbl. Neurochir.     Publication Date:  2004 May 
Date Detail:
Created Date:  2004-04-30     Completed Date:  2004-07-13     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0413646     Medline TA:  Zentralbl Neurochir     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  49-56     Citation Subset:  IM    
Department of Neurosurgery, University of Bonn.
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MeSH Terms
Angiography / methods*,  standards
Intracranial Aneurysm / radiography,  surgery*
Middle Aged
Postoperative Complications / classification,  radiography*
Postoperative Period
Quality Control
Retrospective Studies

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