Lumbar Artery Injury Related to Percutaneous Pedicle Screw Insertion

A 75-year-old woman underwent L4-L5 lateral interbody fusion for L4-5 foraminal stenosis with the use of percutaneous pedicle screws. On the day after the surgery, she was in shock. Emergency contrast-enhanced CT showed active extravasation from the 4th lumbar artery with a transverse process fractu...

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Bibliographic Details
Published inActa medica Okayama Vol. 76; no. 1; p. 85
Main Authors Omi, Hirotsugu, Tomita, Takashi, Ichinohe, Masayuki, Harada, Yoshifumi, Sato, Hideki, Ito, Junji
Format Journal Article
LanguageEnglish
Published Japan 01.02.2022
Subjects
lumbar artery injury
percutaneous pedicle screw
transverse process fracture
hematoma
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Summary:A 75-year-old woman underwent L4-L5 lateral interbody fusion for L4-5 foraminal stenosis with the use of percutaneous pedicle screws. On the day after the surgery, she was in shock. Emergency contrast-enhanced CT showed active extravasation from the 4th lumbar artery with a transverse process fracture. A radiologist performed a successful transarterial embolization, and the patient then began walking training on the 4th day post-surgery. Close attention should be paid to the insertion of a percutaneous pedicle screw, as it may cause a lumbar artery injury; in such a case, transarterial embolization is the preferred treatment.
ISSN:0386-300X
DOI:10.18926/amo/63216