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1. Longitudinal impact of multi-segment spinal fixation surgery on mobility status and clinical outcomes in adult spinal deformity: a multicenter retrospective study

Author

Ouchida, Jun, Nakashima, Hiroaki, Ito, Sadayuki, Segi, Naoki, Yamauchi, Ippei, Oishi, Ryotaro, Miyairi, Yuichi, Morita, Yoshinori, Ode, Yukihito, Nagatani, Yasuhiro, Okada, Yuya, Tsushima, Mikito, Kanemura, Tokumi, Machino, Masaaki, Ohara, Tetsuya, Ota, Kyotaro, Tachi, Hiroto, Tsuji, Taichi, Kagami, Yujiro, Shinjo, Ryuichi, and Imagama, Shiro

Published
2024
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2. Does global spinal alignment affect the use of walking aids after multi-segment spinal fixation for patients with ASD? A multicenter retrospective study

Author

Ouchida, Jun, Nakashima, Hiroaki, Ito, Sadayuki, Segi, Naoki, Yamauchi, Ippei, Oishi, Ryotaro, Miyairi, Yuichi, Morita, Yoshinori, Ode, Yukihito, Nagatani, Yasuhiro, Okada, Yuya, Tsushima, Mikito, Machino, Masaaki, Ota, Kyotaro, Tachi, Hiroto, Kagami, Yujiro, Shinjo, Ryuichi, Ohara, Tetsuya, Tsuji, Taichi, Kanemura, Tokumi, and Imagama, Shiro

Published
2024
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4. Preoperative low Hounsfield units in the lumbar spine are associated with postoperative mechanical complications in adult spinal deformity

Author

Yamauchi, Ippei, Nakashima, Hiroaki, Ito, Sadayuki, Segi, Naoki, Ouchida, Jun, Oishi, Ryotaro, Miyairi, Yuichi, Morita, Yoshinori, Ode, Yukihito, Nagatani, Yasuhiro, Okada, Yuya, Morishita, Kazuaki, Takeichi, Yosuke, Kagami, Yujiro, Tachi, Hiroto, Ohshima, Kazuma, Ogura, Keisuke, Shinjo, Ryuichi, Ohara, Tetsuya, Tsuji, Taichi, Kanemura, Tokumi, and Imagama, Shiro

Published
2024
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5. Correction: Safety and feasibility of intravenous administration of a single dose of allogenic-Muse cells to treat human cervical traumatic spinal cord injury: a clinical trial

Author

Koda, Masao, Imagama, Shiro, Nakashima, Hiroaki, Ito, Sadayuki, Segi, Naoki, Ouchida, Jun, Suda, Kota, Harmon Matsumoto, Satoko, Komatsu, Miki, Endo, Toshiki, Suzuki, Shinsuke, Inami, Satoshi, Ueda, Haruki, Miyagi, Masayuki, Inoue, Gen, Takaso, Masashi, Nagata, Keiji, Yamada, Hiroshi, Kamei, Naosuke, Nakamae, Toshio, Suzuki, Hidenori, Nishida, Norihiro, Funaba, Masahiro, Kumagai, Gentaro, Furuya, Takeo, Yamato, Yu, Funayama, Toru, Takahashi, Hiroshi, and Yamazaki, Masashi

Published
2024
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6. Safety and feasibility of intravenous administration of a single dose of allogenic-Muse cells to treat human cervical traumatic spinal cord injury: a clinical trial

Author

Koda, Masao, Imagama, Shiro, Nakashima, Hiroaki, Ito, Sadayuki, Segi, Naoki, Ouchida, Jun, Suda, Kota, Harmon Matsumoto, Satoko, Komatsu, Miki, Endo, Toshiki, Suzuki, Shinsuke, Inami, Satoshi, Ueda, Haruki, Miyagi, Masayuki, Inoue, Gen, Takaso, Masashi, Nagata, Keiji, Yamada, Hiroshi, Kamei, Naosuke, Nakamae, Toshio, Suzuki, Hidenori, Nishida, Norihiro, Funaba, Masahiro, Kumagai, Gentaro, Furuya, Takeo, Yamato, Yu, Funayama, Toru, Takahashi, Hiroshi, and Yamazaki, Masashi

Published
2024
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7. Impact of malnutrition on mortality and neurological recovery of older patients with spinal cord injury

Author

Tamai, Koji, Terai, Hidetomi, Nakamura, Hiroaki, Yokogawa, Noriaki, Sasagawa, Takeshi, Nakashima, Hiroaki, Segi, Naoki, Ito, Sadayuki, Funayama, Toru, Eto, Fumihiko, Yamaji, Akihiro, Watanabe, Kota, Yamane, Junichi, Takeda, Kazuki, Furuya, Takeo, Yunde, Atsushi, Nakajima, Hideaki, Yamada, Tomohiro, Hasegawa, Tomohiko, Terashima, Yoshinori, Hirota, Ryosuke, Suzuki, Hidenori, Imajo, Yasuaki, Ikegami, Shota, Uehara, Masashi, Tonomura, Hitoshi, Sakata, Munehiro, Hashimoto, Ko, Onoda, Yoshito, Kawaguchi, Kenichi, Haruta, Yohei, Suzuki, Nobuyuki, Kato, Kenji, Uei, Hiroshi, Sawada, Hirokatsu, Nakanishi, Kazuo, Misaki, Kosuke, Kuroda, Akiyoshi, Inoue, Gen, Kakutani, Kenichiro, Kakiuchi, Yuji, Kiyasu, Katsuhito, Tominaga, Hiroyuki, Tokumoto, Hiroto, Iizuka, Yoichi, Takasawa, Eiji, Akeda, Koji, Takegami, Norihiko, Funao, Haruki, Oshima, Yasushi, Kaito, Takashi, Sakai, Daisuke, Yoshii, Toshitaka, Ohba, Tetsuro, Otsuki, Bungo, Seki, Shoji, Miyazaki, Masashi, Ishihara, Masayuki, Okada, Seiji, Imagama, Shiro, and Kato, Satoshi

Published
2024
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8. Neurological recovery rate and predictive factors of incomplete AIS grade C spinal cord injury in the older aged population

Author

Tamai, Koji, Terai, Hidetomi, Nakamura, Hiroaki, Yokogawa, Noriaki, Sasagawa, Takeshi, Nakashima, Hiroaki, Segi, Naoki, Ito, Sadayuki, Funayama, Toru, Eto, Fumihiko, Yamaji, Akihiro, Watanabe, Kota, Yamane, Junichi, Takeda, Kazuki, Furuya, Takeo, Yunde, Atsushi, Nakajima, Hideaki, Yamada, Tomohiro, Hasegawa, Tomohiko, Terashima, Yoshinori, Hirota, Ryosuke, Suzuki, Hidenori, Imajo, Yasuaki, Ikegami, Shota, Uehara, Masashi, Tonomura, Hitoshi, Sakata, Munehiro, Hashimoto, Ko, Onoda, Yoshito, Kawaguchi, Kenichi, Haruta, Yohei, Suzuki, Nobuyuki, Kato, Kenji, Uei, Hiroshi, Sawada, Hirokatsu, Nakanishi, Kazuo, Misaki, Kosuke, Kuroda, Akiyoshi, Inoue, Gen, Kakutani, Kenichiro, Kakiuchi, Yuji, Kiyasu, Katsuhito, Tominaga, Hiroyuki, Tokumoto, Hiroto, Iizuka, Yoichi, Takasawa, Eiji, Akeda, Koji, Takegami, Norihiko, Funao, Haruki, Oshima, Yasushi, Kaito, Takashi, Sakai, Daisuke, Yoshii, Toshitaka, Ohba, Tetsuro, Otsuki, Bungo, Seki, Shoji, Miyazaki, Masashi, Ishihara, Masayuki, Okada, Seiji, Imagama, Shiro, and Kato, Satoshi

Published
2024
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10. Prognostic impact of respiratory dysfunction in elderly patients with cervical spinal cord injury and/or fractures: a multicenter survey

Author

Hirota, Ryosuke, Terashima, Yoshinori, Ohnishi, Hirofumi, Yamashita, Toshihiko, Yokogawa, Noriaki, Sasagawa, Takeshi, Nakashima, Hiroaki, Segi, Naoki, Ito, Sadayuki, Funayama, Toru, Eto, Fumihiko, Yamaji, Akihiro, Watanabe, Kota, Nori, Satoshi, Takeda, Kazuki, Furuya, Takeo, Yunde, Atsushi, Nakajima, Hideaki, Yamada, Tomohiro, Hasegawa, Tomohiko, Suzuki, Hidenori, Imajo, Yasuaki, Ikegami, Shota, Uehara, Masashi, Tonomura, Hitoshi, Sakata, Munehiro, Hashimoto, Ko, Onoda, Yoshito, Kawaguchi, Kenichi, Haruta, Yohei, Suzuki, Nobuyuki, Kato, Kenji, Uei, Hiroshi, Sawada, Hirokatsu, Nakanishi, Kazuo, Misaki, Kosuke, Terai, Hidetomi, Tamai, Koji, Kuroda, Akiyoshi, Inoue, Gen, Kakutani, Kenichiro, Kakiuchi, Yuji, Kiyasu, Katsuhito, Tominaga, Hiroyuki, Tokumoto, Hiroto, Iizuka, Yoichi, Takasawa, Eiji, Akeda, Koji, Takegami, Norihiko, Funao, Haruki, Oshima, Yasushi, Kaito, Takashi, Sakai, Daisuke, Yoshii, Toshitaka, Ohba, Tetsuro, Otsuki, Bungo, Seki, Shoji, Miyazaki, Masashi, Ishihara, Masayuki, Okada, Seiji, Imagama, Shiro, and Kato, Satoshi

Published
2023
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11. Worsening ambulation in elderly patients with cervical odontoid fractures: A nationwide multicenter study in Japan

Author

Segi, Naoki, Nakashima, Hiroaki, Ito, Sadayuki, Yokogawa, Noriaki, Ikegami, Shota, Watanabe, Kota, Funayama, Toru, Hasegawa, Tomohiko, Tonomura, Hitoshi, Kakutani, Kenichiro, Furuya, Takeo, Suzuki, Nobuyuki, Kiyasu, Katsuhito, Tominaga, Hiroyuki, Miyazaki, Masashi, Terashima, Yoshinori, Suzuki, Hidenori, Hashimoto, Ko, Uei, Hiroshi, Funao, Haruki, Kaito, Takashi, Kawaguchi, Kenichi, Sakai, Daisuke, Seki, Shoji, Otsuki, Bungo, Inoue, Gen, Okada, Seiji, Imagama, Shiro, and Kato, Satoshi

Published
2024
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13. Characteristics of the cervical spine and cervical cord injuries in older adults with cervical ossification of the posterior longitudinal ligament

Author

Okuwaki, Shun, Funayama, Toru, Koda, Masao, Eto, Fumihiko, Yamaji, Akihiro, Yokogawa, Noriaki, Sasagawa, Takeshi, Ando, Kei, Nakashima, Hiroaki, Segi, Naoki, Watanabe, Kota, Nori, Satoshi, Takeda, Kazuki, Furuya, Takeo, Yunde, Atsushi, Nakajima, Hideaki, Yamada, Tomohiro, Hasegawa, Tomohiko, Terashima, Yoshinori, Hirota, Ryosuke, Suzuki, Hidenori, Imajo, Yasuaki, Ikegami, Shota, Uehara, Masashi, Tonomura, Hitoshi, Sakata, Munehiro, Hashimoto, Ko, Onoda, Yoshito, Kawaguchi, Kenichi, Haruta, Yohei, Suzuki, Nobuyuki, Kato, Kenji, Uei, Hiroshi, Sawada, Hirokatsu, Nakanishi, Kazuo, Misaki, Kosuke, Terai, Hidetomi, Tamai, Koji, Shirasawa, Eiki, Inoue, Gen, Kakutani, Kenichiro, Kakiuchi, Yuji, Kiyasu, Katsuhito, Tominaga, Hiroyuki, Tokumoto, Hiroto, Iizuka, Yoichi, Takasawa, Eiji, Akeda, Koji, Takegami, Norihiko, Funao, Haruki, Oshima, Yasushi, Kaito, Takashi, Sakai, Daisuke, Yoshii, Toshitaka, Ohba, Tetsuro, Otsuki, Bungo, Seki, Shoji, Miyazaki, Masashi, Ishihara, Masayuki, Okada, Seiji, Imagama, Shiro, and Kato, Satoshi

Published
2023
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15. Influence of the timing of surgery for cervical spinal cord injury without bone injury in the elderly: A retrospective multicenter study

Author

Nori, Satoshi, Watanabe, Kota, Takeda, Kazuki, Yamane, Junichi, Kono, Hitoshi, Yokogawa, Noriaki, Sasagawa, Takeshi, Ando, Kei, Nakashima, Hiroaki, Segi, Naoki, Funayama, Toru, Eto, Fumihiko, Yamaji, Akihiro, Furuya, Takeo, Yunde, Atsushi, Nakajima, Hideaki, Yamada, Tomohiro, Hasegawa, Tomohiko, Terashima, Yoshinori, Hirota, Ryosuke, Suzuki, Hidenori, Imajo, Yasuaki, Ikegami, Shota, Uehara, Masashi, Tonomura, Hitoshi, Sakata, Munehiro, Hashimoto, Ko, Onoda, Yoshito, Kawaguchi, Kenichi, Haruta, Yohei, Uei, Hiroshi, Sawada, Hirokatsu, Nakanishi, Kazuo, Misaki, Kosuke, Terai, Hidetomi, Tamai, Koji, Shirasawa, Eiki, Inoue, Gen, Kiyasu, Katsuhito, Iizuka, Yoichi, Takasawa, Eiji, Funao, Haruki, Kaito, Takashi, Yoshii, Toshitaka, Ishihara, Masayuki, Okada, Seiji, Imagama, Shiro, and Kato, Satoshi

Published
2024
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18. Laterality of lumbar disc herniation

Author

Ito, Sadayuki, Nakashima, Hiroaki, Sato, Koji, Deguchi, Masao, Matsubara, Yuji, Kanemura, Tokumi, Urasaki, Tetsuya, Yoshihara, Hisatake, Sakai, Yoshihito, Ito, Keigo, Shinjo, Ryuichi, Ando, Kei, Machino, Masaaki, Segi, Naoki, Tomita, Hiroyuki, Koshimizu, Hiroyuki, and Imagama, Shiro

Published
2023
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21. Does surgery improve neurological outcomes in older individuals with cervical spinal cord injury without bone injury? A multicenter study

Author

Nori, Satoshi, Watanabe, Kota, Takeda, Kazuki, Yamane, Junichi, Kono, Hitoshi, Yokogawa, Noriaki, Sasagawa, Takeshi, Ando, Kei, Nakashima, Hiroaki, Segi, Naoki, Funayama, Toru, Eto, Fumihiko, Yamaji, Akihiro, Furuya, Takeo, Yunde, Atsushi, Nakajima, Hideaki, Yamada, Tomohiro, Hasegawa, Tomohiko, Terashima, Yoshinori, Hirota, Ryosuke, Suzuki, Hidenori, Imajo, Yasuaki, Ikegami, Shota, Uehara, Masashi, Tonomura, Hitoshi, Sakata, Munehiro, Hashimoto, Ko, Onoda, Yoshito, Kawaguchi, Kenichi, Haruta, Yohei, Suzuki, Nobuyuki, Kato, Kenji, Uei, Hiroshi, Sawada, Hirokatsu, Nakanishi, Kazuo, Misaki, Kosuke, Terai, Hidetomi, Tamai, Koji, Shirasawa, Eiki, Inoue, Gen, Kiyasu, Katsuhito, Iizuka, Yoichi, Takasawa, Eiji, Funao, Haruki, Kaito, Takashi, Yoshii, Toshitaka, Ishihara, Masayuki, Okada, Seiji, Imagama, Shiro, and Kato, Satoshi

Published
2022
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23. Differences in clinical characteristics of cervical spine injuries in older adults by external causes: a multicenter study of 1512 cases

Author

Yokogawa, Noriaki, Kato, Satoshi, Sasagawa, Takeshi, Hayashi, Hiroyuki, Tsuchiya, Hiroyuki, Ando, Kei, Nakashima, Hiroaki, Segi, Naoki, Funayama, Toru, Eto, Fumihiko, Yamaji, Akihiro, Nori, Satoshi, Yamane, Junichi, Furuya, Takeo, Yunde, Atsushi, Nakajima, Hideaki, Yamada, Tomohiro, Hasegawa, Tomohiko, Terashima, Yoshinori, Hirota, Ryosuke, Suzuki, Hidenori, Imajo, Yasuaki, Ikegami, Shota, Uehara, Masashi, Tonomura, Hitoshi, Sakata, Munehiro, Hashimoto, Ko, Onoda, Yoshito, Kawaguchi, Kenichi, Haruta, Yohei, Suzuki, Nobuyuki, Kato, Kenji, Uei, Hiroshi, Sawada, Hirokatsu, Nakanishi, Kazuo, Misaki, Kosuke, Terai, Hidetomi, Tamai, Koji, Shirasawa, Eiki, Inoue, Gen, Kakutani, Kenichiro, Kakiuchi, Yuji, Kiyasu, Katsuhito, Tominaga, Hiroyuki, Tokumoto, Hiroto, Iizuka, Yoichi, Takasawa, Eiji, Akeda, Koji, Takegami, Norihiko, Funao, Haruki, Oshima, Yasushi, Kaito, Takashi, Sakai, Daisuke, Yoshii, Toshitaka, Ohba, Tetsuro, Otsuki, Bungo, Seki, Shoji, Miyazaki, Masashi, Ishihara, Masayuki, Okada, Seiji, Imagama, Shiro, and Watanabe, Kota

Published
2022
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24. A multicenter study of 1-year mortality and walking capacity after spinal fusion surgery for cervical fracture in elderly patients

Author

Sasagawa, Takeshi, Yokogawa, Noriaki, Hayashi, Hiroyuki, Tsuchiya, Hiroyuki, Ando, Kei, Nakashima, Hiroaki, Segi, Naoki, Watanabe, Kota, Nori, Satoshi, Takeda, Kazuki, Furuya, Takeo, Yunde, Atsushi, Ikegami, Shota, Uehara, Masashi, Suzuki, Hidenori, Imajo, Yasuaki, Funayama, Toru, Eto, Fumihiko, Yamaji, Akihiro, Hashimoto, Ko, Onoda, Yoshito, Kakutani, Kenichiro, Kakiuchi, Yuji, Suzuki, Nobuyuki, Kato, Kenji, Terashima, Yoshinori, Hirota, Ryosuke, Yamada, Tomohiro, Hasegawa, Tomohiko, Kawaguchi, Kenichi, Haruta, Yohei, Seki, Shoji, Tonomura, Hitoshi, Sakata, Munehiro, Uei, Hiroshi, Sawada, Hirokatsu, Tominaga, Hiroyuki, Tokumoto, Hiroto, Kaito, Takashi, Iizuka, Yoichi, Takasawa, Eiji, Oshima, Yasushi, Terai, Hidetomi, Tamai, Koji, Otsuki, Bungo, Miyazaki, Masashi, Nakajima, Hideaki, Nakanishi, Kazuo, Misaki, Kosuke, Inoue, Gen, Kiyasu, Katsuhito, Akeda, Koji, Takegami, Norihiko, Yoshii, Toshitaka, Ishihara, Masayuki, Okada, Seiji, Aoki, Yasuchika, Harimaya, Katsumi, Murakami, Hideki, Ishii, Ken, Ohtori, Seiji, Imagama, Shiro, and Kato, Satoshi

Published
2022
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25. Trabecular Bone Remodeling After Posterior Lumbar Interbody Fusion: Comparison of Three-Dimensional Porous Tantalum and Titanium-Coated Polyetheretherketone Interbody Cages.

Author

Segi, Naoki, Nakashima, Hiroaki, Shinjo, Ryuichi, Kagami, Yujiro, Machino, Masaaki, Ito, Sadayuki, Ouchida, Jun, Morishita, Kazuaki, Oishi, Ryotaro, Yamauchi, Ippei, and Imagama, Shiro

Subjects
CANCELLOUS bone, BONE remodeling, BONE growth, COMPUTED tomography, OSSEOINTEGRATION
Abstract

Study Design: Retrospective cohort study Objectives: The criteria for determining completion of intervertebral stability after posterior lumbar interbody fusion (PLIF) remain controversial. Several new radiological indicators of bone growth and osteointegration have been established. We compared computed tomography (CT) findings related to osteointegration after PLIF with interbody cages of two different materials and designs. Methods: We retrospectively analyzed data from 103 patients who underwent PLIF with three-dimensional porous tantalum (Tn) cages or titanium-coated polyetheretherketone (TiP) cages. CT images obtained 3 months and 1 year after surgery were examined for trabecular bone remodeling (TBR), cancellous condensation (CC), and vertebral endplate cyst (VEC) formation. The incidences of each finding were compared by cage type, and rates of instrument failure and pseudarthrosis were determined. Results: Three months postoperatively, 87% of the levels with Tn cages exhibited TBR, whereas 96% of those with TiP cages did not (P <.001). Most levels with Tn cages levels exhibited TBR and no CC 3 months (81%) and 1 year (94%) after surgery. Although 78% of levels with TiP cages exhibited CC and no TBR 3 months after surgery, 59% exhibited both CC and TBR 1 year after surgery. Significantly fewer VECs formed around the Tn cages than around the TiP cages both 3 months (P =.002) and 1 year (P <.001) after surgery. Implant-related problems occurred at levels that exhibited neither TBR nor CC. Conclusions: The porous tantalum cage may enable intervertebral stability that is comparable to bony fusion soon after surgery. [ABSTRACT FROM AUTHOR]

Published
2024
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26. Obesity Is Associated with Asymptomatic Vertebral Fractures: A Yakumo Study

Author

Miyairi, Yuichi, primary, Nakashima, Hiroaki, additional, Ito, Sadayuki, additional, Segi, Naoki, additional, Ouchida, Jun, additional, Oishi, Ryotaro, additional, Yamauchi, Ippei, additional, Machino, Masaaki, additional, Seki, Taisuke, additional, Ishizuka, Shinya, additional, Takegami, Yasuhiko, additional, Hasegawa, Yukiharu, additional, and Imagama, Shiro, additional

Published
2024
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29. Epidemiology of Cervical Fracture/Cervical Spinal Cord Injury and Changes in Surgical Treatment Modalities in Elderly Individuals During a 10-year Period: A Nationwide Multicenter Study in Japan.

Author

Segi, Naoki, Nakashima, Hiroaki, Machino, Masaaki, Ito, Sadayuki, Yokogawa, Noriaki, Sasagawa, Takeshi, Funayama, Toru, Eto, Fumihiko, Watanabe, Kota, Nori, Satoshi, Furuya, Takeo, Yunde, Atsushi, Nakajima, Hideaki, Hasegawa, Tomohiko, Yamada, Tomohiro, Terashima, Yoshinori, Hirota, Ryosuke, Suzuki, Hidenori, Imajo, Yasuaki, and Ikegami, Shota

Abstract

Study Design: Retrospective multicenter study Objectives: To investigate changes over a 10-years period in the profile of cervical spine and spinal cord injuries among the elderly in Japan. Methods: The current multicenter study was a retrospective analysis of inpatients aged ≥65 years, suffering cervical fracture (CF) and/or cervical spinal cord injury (CSCI). We analyzed 1413 patients' epidemiology (from 2010 to 2019). Moreover, 727 patients who underwent surgical treatment were analyzed in 2 groups: the early (2010-2014) and late period (2015-2019). Results: Both the number of patients and number of surgical patients showed a significant increasing trend (P <.001), while the mean age, the distribution of injury levels and paralysis severity, and the proportion of surgical indications remained the same. The number of surgical patients doubled from 228 to 499 from the early to late periods. Posterior surgery was the most common approach (90.4%), instrumentation surgery with screws increased significantly, and the range of fusion was significantly longer in the late period (2.1 vs 2.7 levels, P =.001). Significantly worsening neurological symptoms were recorded in the late period (1.3% vs 5.8%, P =.006), with C5 palsy being the major one. Otherwise, perioperative, major, and other complications, including mortality, did not differ significantly in incidence. Conclusions: Both the number of elderly CF and/or CSCI patients and number of patients undergoing surgery increased dramatically over the decade without any change in profile. Instrumentation surgeries with screws increased, without an increase in systemic complications. [ABSTRACT FROM AUTHOR]

Published
2024
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34. A Longitudinal Study on the Effect of Exercise Habits on Locomotive Syndrome and Quality of Life during the Coronavirus Disease 2019 Pandemic

Author

Ito, Sadayuki, primary, Nakashima, Hiroaki, additional, Segi, Naoki, additional, Ouchida, Jun, additional, Oishi, Ryotaro, additional, Yamauchi, Ippei, additional, Ishizuka, Shinya, additional, Takegami, Yasuhiko, additional, Seki, Taisuke, additional, Hasegawa, Yukiharu, additional, and Imagama, Shiro, additional

Published
2024
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35. Do Postural and Walking Stabilities Change over a Decade by Aging? A Longitudinal Study

Author

Segi, Naoki, primary, Nakashima, Hiroaki, additional, Ito, Sadayuki, additional, Ouchida, Jun, additional, Oishi, Ryotaro, additional, Yamauchi, Ippei, additional, Miyairi, Yuichi, additional, Morita, Yoshinori, additional, Takegami, Yasuhiko, additional, Ishizuka, Shinya, additional, Seki, Taisuke, additional, Hasegawa, Yukiharu, additional, and Imagama, Shiro, additional

Published
2024
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36. Early Versus Delayed Surgery for Elderly Traumatic Cervical Spinal Injury: A Nationwide Multicenter Study in Japan

Author

Segi, Naoki, primary, Nakashima, Hiroaki, additional, Ito, Sadayuki, additional, Yokogawa, Noriaki, additional, Sasagawa, Takeshi, additional, Watanabe, Kota, additional, Nori, Satoshi, additional, Funayama, Toru, additional, Eto, Fumihiko, additional, Nakajima, Hideaki, additional, Terashima, Yoshinori, additional, Hirota, Ryosuke, additional, Hashimoto, Ko, additional, Onoda, Yoshito, additional, Furuya, Takeo, additional, Yunde, Atsushi, additional, Ikegami, Shota, additional, Uehara, Masashi, additional, Suzuki, Hidenori, additional, Imajo, Yasuaki, additional, Uei, Hiroshi, additional, Sawada, Hirokatsu, additional, Kawaguchi, Kenichi, additional, Nakanishi, Kazuo, additional, Suzuki, Nobuyuki, additional, Oshima, Yasushi, additional, Hasegawa, Tomohiko, additional, Iizuka, Yoichi, additional, Tonomura, Hitoshi, additional, Terai, Hidetomi, additional, Akeda, Koji, additional, Seki, Shoji, additional, Ishihara, Masayuki, additional, Inoue, Gen, additional, Funao, Haruki, additional, Yoshii, Toshitaka, additional, Kaito, Takashi, additional, Kiyasu, Katsuhito, additional, Tominaga, Hiroyuki, additional, Kakutani, Kenichiro, additional, Sakai, Daisuke, additional, Ohba, Tetsuro, additional, Otsuki, Bungo, additional, Miyazaki, Masashi, additional, Murotani, Kenta, additional, Okada, Seiji, additional, Imagama, Shiro, additional, and Kato, Satoshi, additional

Published
2024
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37. Trabecular Bone Remodeling after Lateral Lumbar Interbody Fusion: Indirect Findings for Stress Transmission between Vertebrae after Spinal Fusion Surgery

Author

Segi, Naoki, primary, Nakashima, Hiroaki, additional, Ito, Sadayuki, additional, Ouchida, Jun, additional, Oishi, Ryotaro, additional, Yamauchi, Ippei, additional, Miyairi, Yuichi, additional, Morita, Yoshinori, additional, Tsushima, Mikito, additional, Tomita, Hiroyuki, additional, Morishita, Kazuaki, additional, Ohshima, Kazuma, additional, Kanemura, Tokumi, additional, and Imagama, Shiro, additional

Published
2024
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38. Low Nutrition Before Injury Is A Risk Factor For Dysphagia In Older Patients With Cervical Spinal Cord Injury: Based On A Multicenter Data Of 707 Patients

Author

Segi, Naoki, primary, Nakashima, Hiroaki, additional, Ito, Sadayuki, additional, Ouchida, Jun, additional, Yokogawa, Noriaki, additional, Sasagawa, Takeshi, additional, Funayama, Toru, additional, Eto, Fumihiko, additional, Watanabe, Kota, additional, Nori, Satoshi, additional, Furuya, Takeo, additional, Yunde, Atsushi, additional, Terashima, Yoshinori, additional, Hirota, Ryosuke, additional, Nakajima, Hideaki, additional, Yamada, Tomohiro, additional, Hasegawa, Tomohiko, additional, Kawaguchi, Kenichi, additional, Haruta, Yohei, additional, Hashimoto, Ko, additional, Onoda, Yoshito, additional, Nakanishi, Kazuo, additional, Misaki, Kosuke, additional, Ikegami, Shota, additional, Uehara, Masashi, additional, Suzuki, Hidenori, additional, Imajo, Yasuaki, additional, Uei, Hiroshi, additional, Sawada, Hirokatsu, additional, Terai, Hidetomi, additional, Tamai, Koji, additional, Kuroda, Akiyoshi, additional, Inoue, Gen, additional, Suzuki, Nobuyuki, additional, Kato, Kenji, additional, Akeda, Koji, additional, Takegami, Norihiko, additional, Iizuka, Yoichi, additional, Oshima, Yasushi, additional, Tonomura, Hitoshi, additional, Kiyasu, Katsuhito, additional, Funao, Haruki, additional, Yoshii, Toshitaka, additional, Ishihara, Masayuki, additional, Kaito, Takashi, additional, Seki, Shoji, additional, Kakutani, Kenichiro, additional, Tominaga, Hiroyuki, additional, Ohba, Tetsuro, additional, Sakai, Daisuke, additional, Otsuki, Bungo, additional, Miyazaki, Masashi, additional, Okada, Seiji, additional, Imagama, Shiro, additional, and Kato, Satoshi, additional

Published
2024
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39. Comparative Analysis of Characteristics of Lower- and Mid-Cervical Spine Injuries in the Elderly

Author

Segi, Naoki, primary, Nakashima, Hiroaki, additional, Ito, Sadayuki, additional, Ouchida, Jun, additional, Yokogawa, Noriaki, additional, Sasagawa, Takeshi, additional, Furuya, Takeo, additional, Yunde, Atsushi, additional, Funayama, Toru, additional, Eto, Fumihiko, additional, Watanabe, Kota, additional, Nori, Satoshi, additional, Ikegami, Shota, additional, Uehara, Masashi, additional, Hashimoto, Ko, additional, Onoda, Yoshito, additional, Nakajima, Hideaki, additional, Suzuki, Hidenori, additional, Imajo, Yasuaki, additional, Yamada, Tomohiro, additional, Hasegawa, Tomohiko, additional, Kawaguchi, Kenichi, additional, Haruta, Yohei, additional, Terashima, Yoshinori, additional, Hirota, Ryosuke, additional, Tonomura, Hitoshi, additional, Sakata, Munehiro, additional, Iizuka, Yoichi, additional, Uei, Hiroshi, additional, Suzuki, Nobuyuki, additional, Akeda, Koji, additional, Tominaga, Hiroyuki, additional, Seki, Shoji, additional, Oshima, Yasushi, additional, Kaito, Takashi, additional, Otsuki, Bungo, additional, Nakanishi, Kazuo, additional, Kakutani, Kenichiro, additional, Funao, Haruki, additional, Yoshii, Toshitaka, additional, Sakai, Daisuke, additional, Ohba, Tetsuro, additional, Miyazaki, Masashi, additional, Terai, Hidetomi, additional, Inoue, Gen, additional, Okada, Seiji, additional, Imagama, Shiro, additional, and Kato, Satoshi, additional

Published
2024
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40. Is Intraoperative Blood Loss Volume in Elderly Cervical Spine Injury Surgery Greater in Patients with Ankylosis? A Multicenter Survey

Author

Uehara, Masashi, primary, Ikegami, Shota, additional, Takizawa, Takashi, additional, Oba, Hiroki, additional, Yokogawa, Noriaki, additional, Sasagawa, Takeshi, additional, Nakashima, Hiroaki, additional, Segi, Naoki, additional, Ito, Sadayuki, additional, Funayama, Toru, additional, Eto, Fumihiko, additional, Yamaji, Akihiro, additional, Watanabe, Kota, additional, Nori, Satoshi, additional, Takeda, Kazuki, additional, Furuya, Takeo, additional, Yunde, Atsushi, additional, Nakajima, Hideaki, additional, Yamada, Tomohiro, additional, Hasegawa, Tomohiko, additional, Terashima, Yoshinori, additional, Hirota, Ryosuke, additional, Suzuki, Hidenori, additional, Imajo, Yasuaki, additional, Tonomura, Hitoshi, additional, Sakata, Munehiro, additional, Hashimoto, Ko, additional, Onoda, Yoshito, additional, Kawaguchi, Kenichi, additional, Haruta, Yohei, additional, Suzuki, Nobuyuki, additional, Kato, Kenji, additional, Uei, Hiroshi, additional, Sawada, Hirokatsu, additional, Nakanishi, Kazuo, additional, Misaki, Kosuke, additional, Terai, Hidetomi, additional, Tamai, Koji, additional, Kuroda, Akiyoshi, additional, Inoue, Gen, additional, Kakutani, Kenichiro, additional, Kakiuchi, Yuji, additional, Kiyasu, Katsuhito, additional, Tominaga, Hiroyuki, additional, Tokumoto, Hiroto, additional, Iizuka, Yoichi, additional, Takasawa, Eiji, additional, Akeda, Koji, additional, Takegami, Norihiko, additional, Funao, Haruki, additional, Oshima, Yasushi, additional, Kaito, Takashi, additional, Sakai, Daisuke, additional, Yoshii, Toshitaka, additional, Ohba, Tetsuro, additional, Otsuki, Bungo, additional, Seki, Shoji, additional, Miyazaki, Masashi, additional, Ishihara, Masayuki, additional, Okada, Seiji, additional, Imagama, Shiro, additional, and Kato, Satoshi, additional

Published
2024
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41. Indirect Decompression In Vertebral Reconstruction For Osteoporotic Vertebral Fractures With Neurological Symptoms: A Preliminary Case Series

Author

Morita, Yoshinori, primary, Nakashima, Hiroaki, additional, Segi, Naoki, additional, Ito, Sadayuki, additional, Ouchida, Jun, additional, Oishi, Ryotaro, additional, Yamauchi, Ippei, additional, Miyairi, Yuichi, additional, Tsushima, Mikito, additional, Ito, Kenyu, additional, Tomita, Hiroyuki, additional, Morishita, Kazuaki, additional, Kanemura, Tokumi, additional, and Imagama, Shiro, additional

Published
2024
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46. Neck pain after cervical laminoplasty is associated with postoperative atrophy of the trapezius muscle

Author

Ito, Sadayuki, Sakai, Yoshihito, Ando, Kei, Nakashima, Hiroaki, Machino, Masaaki, Segi, Naoki, Tomita, Hiroyuki, Koshimizu, Hiroyuki, Hida, Tetsuro, Ito, Kenyu, Harada, Atsushi, and Imagama, Shiro

Subjects
cervical laminoplasty, neck pain, trapezius muscle, cross-sectional areas, cervical myelopathy
Abstract

Cervical laminoplasty is a safe and effective treatment for cervical myelopathy. However, it has a higher frequency of postoperative axial pain than other methods. A variety of causes of postoperative axial pain have been reported, but these have not been fully elucidated. This study aimed to investigate the association between postoperative axial pain and changes in the posterior neck muscles before and after surgery. The study included 93 patients with cervical myelopathy who underwent surgery at our institute between June 2010 and March 2013. The patients with greater preoperative and 1-year postoperative neck pain visual analog scale scores comprised the neck pain group. The cross-sectional area of the cervical posterior extensor muscles and the trapezius muscle were measured by magnetic resonance imaging before and 1 year after surgery at the C3/4, C4/5, and C5/6 levels to compare with neck pain. The total cross-sectional area atrophy rate (C3/C4, C4/C5, and C5/C6) of the trapezius muscle was significantly larger in patients with neck pain (12.8 ± 13.2) than in those without (6.2 ± 14.4; p

Published
2023

48. Impact of Preoperative Motor Status for the Positive Predictive Value of Transcranial Motor-Evoked Potentials Alerts in Thoracic Spine Surgery: A Prospective Multicenter Study by the Monitoring Committee of the Japanese Society for Spine Surgery and Related Research

Author

Funaba, Masahiro, primary, Kanchiku, Tsukasa, additional, Yoshida, Go, additional, Machino, Masaaki, additional, Ushirozako, Hiroki, additional, Kawabata, Shigenori, additional, Ando, Muneharu, additional, Yamada, Kei, additional, Iwasaki, Hiroshi, additional, Shigematsu, Hideki, additional, Fujiwara, Yasushi, additional, Tadokoro, Nobuaki, additional, Takahashi, Masahito, additional, Taniguchi, Shinichirou, additional, Wada, Kanichiro, additional, Yamamoto, Naoya, additional, Yasuda, Akimasa, additional, Morito, Shinji, additional, Hashimoto, Jun, additional, Takatani, Tsunenori, additional, Kobayashi, Kazuyoshi, additional, Ando, Kei, additional, Kurosu, Kenta, additional, Segi, Naoki, additional, Nakashima, Hiroaki, additional, Nakanishi, Kazuyoshi, additional, Takeshita, Katsushi, additional, Matsuyama, Yukihiro, additional, and Imagama, Shiro, additional

Published
2023
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