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Tamai K, Terai H, Nakamura H, Yokogawa N, Sasagawa T, Nakashima H, Segi N, Ito S, Funayama T, Eto F, Yamaji A, Watanabe K, Yamane J, Takeda K, Furuya T, Yunde A, Nakajima H, Yamada T, Hasegawa T, Terashima Y, Hirota R, Suzuki H, Imajo Y, Ikegami S, Uehara M, Tonomura H, Sakata M, Hashimoto K, Onoda Y, Kawaguchi K, Haruta Y, Suzuki N, Kato K, Uei H, Sawada H, Nakanishi K, Misaki K, Kuroda A, Inoue G, Kakutani K, Kakiuchi Y, Kiyasu K, Tominaga H, Tokumoto H, Iizuka Y, Takasawa E, Akeda K, Takegami N, Funao H, Oshima Y, Kaito T, Sakai D, Yoshii T, Ohba T, Otsuki B, Seki S, Miyazaki M, Ishihara M, Okada S, Imagama S, Kato S. Neurological recovery rate and predictive factors of incomplete AIS grade C spinal cord injury in the older aged population. Spinal Cord 2024; 62:149-155. [PMID: 38347110 DOI: 10.1038/s41393-024-00963-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 01/26/2024] [Accepted: 01/31/2024] [Indexed: 02/18/2024]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVES To define the prognosis and predictive factors for neurological improvement in older patients with incomplete spinal cord injury (SCI) of American Spinal Injury Association Impairment Scale grade C (AIS-C). SETTINGS Multi-institutions in Japan. METHODS We included patients aged ≥65 years with traumatic SCI of AIS-C who were treated conservatively or surgically with >3 follow-up months. To identify factors related to neurological improvement, patients were divided into three groups according to their neurological status at the final follow-up, with univariate among-group comparisons of demographics, radiographic, and therapeutic factors. Significant variables were included in the multivariate logistic regression analysis. RESULTS Overall, 296 older patients with SCI of AIS-C on admission were identified (average age: 75.2 years, average follow-up: 18.7 months). Among them, 190 (64.2%) patients improved to AIS-D and 21 (7.1%) patients improved to AIS-E at final follow-up. There were significant among-group differences in age (p = 0.026), body mass index (p = 0.007), status of pre-traumatic activities of daily living (ADL) (p = 0.037), and serum albumin concentrations (p = 0.011). Logistic regression analysis showed no significant differences in variables in the stratified group of patients who improved to AIS-D. Meanwhile, serum albumin was a significant variable in patients who improved to AIS-E (p = 0.026; OR: 6.20, pre-traumatic ADL was omitted due to data skewness). CONCLUSIONS Most older patients with incomplete AIS-C SCI demonstrated at least 1 grade of neurological improvement. However, <10% of patients achieved complete recovery. Key predictors of complete recovery were high serum albumin levels on admission and independent pre-traumatic ADL. SPONSORSHIP No funding was received for this study.
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Affiliation(s)
- Koji Tamai
- Department of Orthopaedic Surgery, Osaka Metropolitan University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka-city, Osaka, 545-8585, Japan.
| | - Hidetomi Terai
- Department of Orthopaedic Surgery, Osaka Metropolitan University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka-city, Osaka, 545-8585, Japan
| | - Hiroaki Nakamura
- Department of Orthopaedic Surgery, Osaka Metropolitan University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka-city, Osaka, 545-8585, Japan
| | - Noriaki Yokogawa
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Takeshi Sasagawa
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
- Department of Orthopaedic Surgery, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama, Toyama, 930-8550, Japan
| | - Hiroaki Nakashima
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Naoki Segi
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Sadayuki Ito
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Toru Funayama
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Fumihiko Eto
- Department of Orthopaedic Surgery, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Akihiro Yamaji
- Department of Orthopaedic Surgery, Ibaraki Seinan Medical Center Hospital, 2190, Sakaimachi, Sashima, Ibaraki, 306-0433, Japan
| | - Kota Watanabe
- Department of Orthopaedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Junichi Yamane
- Department of Orthopaedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Department of Orthopaedic Surgery, National Hospital Organization Murayama Medical Center, 2-37-1 Gakuen, Musashimurayama, Tokyo, 208-0011, Japan
| | - Kazuki Takeda
- Department of Orthopaedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Department of Orthopaedic Surgery, Japanese Red Cross Shizuoka Hospital, 8-2 Otemachi, Aoi-ku, Shizuoka, 420-0853, Japan
| | - Takeo Furuya
- Department of Orthopaedic Surgery, Graduate school of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, 260-8670, Japan
| | - Atsushi Yunde
- Department of Orthopaedic Surgery, Graduate school of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, 260-8670, Japan
| | - Hideaki Nakajima
- Department of Orthopaedics and Rehabilitation Medicine, Faculty of Medical Sciences University of Fukui, 23-3 Matsuoka Shimoaizuki, Eiheiji-cho, Yoshida-gun, Fukui, 910-1193, Japan
| | - Tomohiro Yamada
- Department of Orthopaedic Surgery, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu City, Shizuoka, 431-3192, Japan
- Department of Orthopaedic Surgery, Nagoya Kyoritsu Hospital, 1-172 Hokke, Nakagawa-ku, Nagoya-shi, Aichi, 454-0933, Japan
| | - Tomohiko Hasegawa
- Department of Orthopaedic Surgery, Hamamatsu University School of Medicine, 1-20-1, Handayama, Higashi-ku, Hamamatsu City, Shizuoka, 431-3192, Japan
| | - Yoshinori Terashima
- Department of Orthopaedic Surgery, Sapporo Medical University, South 1-West 16-291, Chuo-ku, Sapporo, 060-8543, Japan
- Department of Orthopaedic Surgery, Matsuda Orthopedic Memorial Hospital, North 18-East 4-1 Kita-ku, Sapporo, 001-0018, Japan
| | - Ryosuke Hirota
- Department of Orthopaedic Surgery, Sapporo Medical University, South 1-West 16-291, Chuo-ku, Sapporo, 060-8543, Japan
| | - Hidenori Suzuki
- Department of Orthopaedic Surgery, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-kogushi, Ube city, Yamaguchi, 755-8505, Japan
| | - Yasuaki Imajo
- Department of Orthopaedic Surgery, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-kogushi, Ube city, Yamaguchi, 755-8505, Japan
| | - Shota Ikegami
- Department of Orthopaedic Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Masashi Uehara
- Department of Orthopaedic Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Hitoshi Tonomura
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Munehiro Sakata
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
- Department of Orthopaedics, Saiseikai Shiga Hospital, 2-4-1 Ohashi Ritto, Shiga, 520-3046, Japan
| | - Ko Hashimoto
- Department of Orthopaedic Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan
| | - Yoshito Onoda
- Department of Orthopaedic Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan
| | - Kenichi Kawaguchi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yohei Haruta
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka, 812-8582, Japan
| | - Nobuyuki Suzuki
- Department of Orthopaedic Surgery, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8601, Japan
| | - Kenji Kato
- Department of Orthopaedic Surgery, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8601, Japan
| | - Hiroshi Uei
- Department of Orthopaedic Surgery, Nihon University Hospital, 1-6 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8393, Japan
- Department of Orthopaedic Surgery, Nihon University School of Medicine, 30-1 Oyaguchi Kami-cho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Hirokatsu Sawada
- Department of Orthopaedic Surgery, Nihon University School of Medicine, 30-1 Oyaguchi Kami-cho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Kazuo Nakanishi
- Department of Orthopedics, Traumatology and Spine Surgery, Kawasaki Medical School, 577, Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Kosuke Misaki
- Department of Orthopedics, Traumatology and Spine Surgery, Kawasaki Medical School, 577, Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Akiyoshi Kuroda
- Department of Orthopaedic Surgery, Kitasato University School of Medicine, 1-15-1, Kitazato, Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan
| | - Gen Inoue
- Department of Orthopaedic Surgery, Kitasato University School of Medicine, 1-15-1, Kitazato, Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan
| | - Kenichiro Kakutani
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Yuji Kakiuchi
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Katsuhito Kiyasu
- Department of Orthopaedic Surgery, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, 783-8505, Japan
| | - Hiroyuki Tominaga
- Department of Orthopaedic Surgery, Graduate School of medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan
| | - Hiroto Tokumoto
- Department of Orthopaedic Surgery, Graduate School of medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan
| | - Yoichi Iizuka
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, 3-39-22 Showa, Maebashi, Gunma, 371-8511, Japan
| | - Eiji Takasawa
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, 3-39-22 Showa, Maebashi, Gunma, 371-8511, Japan
| | - Koji Akeda
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu city, Mie, 514-8507, Japan
| | - Norihiko Takegami
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu city, Mie, 514-8507, Japan
| | - Haruki Funao
- Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, 852 Hatakeda, Narita, Chiba, 286-0124, Japan
- Department of Orthopaedic Surgery, International University of Health and Welfare Narita Hospital, 852 Hatakeda, Narita, Chiba, 286-0124, Japan
- Department of Orthopaedic Surgery and Spine and Spinal Cord Center, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan
| | - Yasushi Oshima
- Department of Orthopaedic Surgery, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Takashi Kaito
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Daisuke Sakai
- Department of Orthopedics Surgery, Surgical Science, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193, Japan
| | - Toshitaka Yoshii
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Tetsuro Ohba
- Department of Orthopaedic Surgery, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan
| | - Bungo Otsuki
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawaracho, Sakyo-ku, Kyoto, Kyoto, Japan
| | - Shoji Seki
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama, Toyama, 930-0194, Japan
| | - Masashi Miyazaki
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan
| | - Masayuki Ishihara
- Department of Orthopaedic Surgery, Kansai Medical University Hospital, 2-3-1 Shinmachi, Hirakata, Osaka, 573-1191, Japan
| | - Seiji Okada
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Shiro Imagama
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Satoshi Kato
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
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