PMID- 21623246 OWN - NLM STAT- MEDLINE DCOM- 20111230 LR - 20161125 IS - 1524-4040 (Electronic) IS - 0148-396X (Linking) VI - 69 IP - 4 DP - 2011 Oct TI - Detection of pulsation in ruptured and unruptured cerebral aneurysms by electrocardiographically gated 3-dimensional computed tomographic angiography with a 320-row area detector computed tomography and evaluation of its clinical usefulness. PG - 843-51; discussion 851 LID - 10.1227/NEU.0b013e318225b2d3 [doi] AB - BACKGROUND: In ruptured cerebral aneurysms (RCAs), identification of the rupture point of a cerebral aneurysm is useful for treatment planning. In unruptured cerebral aneurysms (URCAs), detection of the risk of aneurysmal rupture is also useful for patient management. OBJECTIVE: Electrocardiographic (ECG)-gated 3D-CT angiography was performed for patients with RCAs and URCAs using 320-row area detector CT (ADCT) to detect pulsation of the cerebral aneurysms. The clinical usefulness of this method was then evaluated. METHODS: Twelve patients had 12 RCAs, and 39 patients had 53 URCAs. A 320-row ADCT system was used to scan. ECG-gated reconstruction was then performed with the R-R interval divided into 20 phases. RESULTS: Pulsation was observed in 10 of the 12 RCAs. The bleeding site was considered to correspond to the area of pulsation. Pulsation was observed in 14 of 53 URCAs. Thirteen patients with 18 URCAs were followed. Of the 11 URCAs in which pulsation was not observed, 1 showed a change in shape. Of the 7 URCAs in which pulsation was observed, 3 showed a change in shape. URCAs in which pulsation was observed were more likely to show a change in shape (P = .082). CONCLUSION: The area of pulsation was found to correspond to the bleeding site in many RCAs. This information would be extremely useful for treatment planning. The detection of pulsation in an URCA is therefore considered to provide useful information for patient management. FAU - Hayakawa, Motoharu AU - Hayakawa M AD - Department of Neurosurgery, Fujita Health University, School of Medicine, Aichi, Japan. hayakawa@fujita-hu.ac.jp FAU - Maeda, Shingo AU - Maeda S FAU - Sadato, Akiyo AU - Sadato A FAU - Tanaka, Teppei AU - Tanaka T FAU - Kaito, Takafumi AU - Kaito T FAU - Hattori, Natsuki AU - Hattori N FAU - Ganaha, Tsukasa AU - Ganaha T FAU - Moriya, Shigeta AU - Moriya S FAU - Katada, Kazuhiro AU - Katada K FAU - Murayama, Kazuhiro AU - Murayama K FAU - Kato, Yoko AU - Kato Y FAU - Hirose, Yuichi AU - Hirose Y LA - eng PT - Clinical Trial PT - Journal Article PL - United States TA - Neurosurgery JT - Neurosurgery JID - 7802914 SB - IM MH - Adult MH - Aged MH - Aged, 80 and over MH - Aneurysm, Ruptured/diagnostic imaging MH - Cerebral Angiography/instrumentation/*methods MH - Electrocardiography MH - Female MH - Gated Blood-Pool Imaging/instrumentation/*methods MH - Humans MH - Imaging, Three-Dimensional/instrumentation/*methods MH - Intracranial Aneurysm/*diagnostic imaging MH - Male MH - Middle Aged MH - Pulsatile Flow/*physiology EDAT- 2011/05/31 06:00 MHDA- 2011/12/31 06:00 CRDT- 2011/05/31 06:00 PHST- 2011/05/31 06:00 [entrez] PHST- 2011/05/31 06:00 [pubmed] PHST- 2011/12/31 06:00 [medline] AID - 10.1227/NEU.0b013e318225b2d3 [doi] PST - ppublish SO - Neurosurgery. 2011 Oct;69(4):843-51; discussion 851. doi: 10.1227/NEU.0b013e318225b2d3.