学術雑誌論文 Repeated total en bloc spondylectomy for spinal metastases at different sites in one patient

Sugita, Shurei  ,  Murakami, Hideki  ,  Demura, Satoru  ,  Kato, Satoshi  ,  Yoshioka, Katsuhito  ,  Yokogawa, Noriaki  ,  Tanaka, Sakae  ,  Tsuchiya, Hiroyuki

24 ( 10 )  , pp.2196 - 2200 , 2015-10-01 , Springer Verlag
ISSN:0940-6719
NII書誌ID(NCID):AA10852035
内容記述
Purpose: Total en bloc spondylectomy (TES) is accompanied by preoperative embolization of segmental arteries, which is limited to three consecutive levels to avoid the risk of spinal cord ischemia. We retrospectively examined the efficacy and safety of repeated TES with embolization of more than three levels of segmental arteries. Methods: Seven patients underwent TES twice for spinal metastases at different levels. Every patient underwent embolization of the bilateral segmental arteries before each surgery. We assessed the total number of segmental arteries embolized, the existence of Adamkiewicz arteries during the embolization procedure, intraoperative blood loss, and the motor function of the lower limbs, using the American Spinal Injury Association (ASIA) motor score. Results: No patient experienced any motor deficit after embolization. During the embolization procedure, an Adamkiewicz artery was depicted in five patients, which precluded embolization at that level. The median number of segmental arteries embolized in total was 9 (9–11). Intraoperative blood loss (median, IQR) was 480 (420–630) ml during the first surgery and 520 (280–600) ml during the second surgery. The ASIA motor scores (median, IQR) were as follows; 100 (98–100) (first admission), 100 (100–100) (first discharge), 100 (98–100) (second admission), and 97 (94–100) (second discharge). No patients had developed statistically significant neurological deterioration, and there had been no local recurrence after a median follow-up of 17.8 months (range 1–51 months). Conclusion: Repeated TES procedures can be performed safely even if more than three levels of segmental arteries are embolized. © 2015 Springer-Verlag Berlin Heidelberg
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http://dspace.lib.kanazawa-u.ac.jp/dspace/bitstream/2297/43036/1/ME-PR-SUGITA-S-2196.pdf

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