Abstract | INTRODUCTION: Discogenic back pain remains poorly understood with respect to etiopathogenesis, despite being a considerable burden. We sought to examine the expression of vascular endothelial growth factor in injured intervertebral discs in rat caudal vertebrae. METHODS: Forty-eight male Sprague Dawley rats were assigned to 2 groups according to disc puncture injury: puncture (n = 32) or non- puncture (n = 16). Disc puncture was performed percutaneously such that the incision would be in the primary plane of motion for the coccygeal discs 5-6, 6-7, and 7-8. A 26-gauge needle was used to puncture each disc 10 times. Punctured discs were examined histologically by hematoxylin and eosin staining at 1, 7, 14, and 28 days post-injury. RESULTS: CONCLUSIONS:
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Authors | Jun Sato, Kazuhide Inage, Masayuki Miyagi, Yoshihiro Sakuma, Kazuyo Yamauchi, Masahiko Suzuki, Masao Koda, Takeo Furuya, Junichi Nakamura, Yawara Eguchi, Miyako Suzuki, Go Kubota, Yasuhiro Oikawa, Takeshi Sainoh, Kazuki Fujimoto, Yasuhiro Shiga, Koki Abe, Hirohito Kanamoto, Masahiro Inoue, Hideyuki Kinoshita, Masaki Norimoto, Tomotaka Umimura, Kazuhisa Takahashi, Seiji Ohtori, Sumihisa Orita |
Journal | Spine surgery and related research
(Spine Surg Relat Res)
Vol. 2
Issue 1
Pg. 42-47
( 2018)
ISSN: 2432-261X [Electronic] Japan |
PMID | 31440645
(Publication Type: Journal Article)
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