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JOURNAL OF NEUROSURGICAL SCIENCES

Rivista di Neurochirurgia


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Journal of Neurosurgical Sciences 2018 Jan 04

DOI: 10.23736/S0390-5616.18.04251-0

Copyright © 2018 EDIZIONI MINERVA MEDICA

lingua: Inglese

Rate of spinal surgery in a rapidly aging society: the 27-year changes in Miyagi Prefecture, Japan

Toshimi AIZAWA 1 , Shoichi KOKUBUN 2, Takashi KUSAKABE 3, Hiroshi OZAWA 4, Yasuhisa TANAKA 5, Takeshi HOSHIKAWA 5, Ko HASHIMOTO 1, Haruo KANNO 1, Naoki MOROZUMI 2, Yutaka KOIZUMI 2, Chikashi KAWAHARA 2, Tetsuro SATO 6, Hironori HYODO 6, Shinji OGAWA 7, Eiichi MURAKAMI 8, Eiji ITOI 1

1 Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai, Miyagi, Japan; 2 Department of Orthopaedic Surgery, Sendai Nishitaga National Hospital, Sendai, Miyagi, Japan; 3 Department of Orthopaedic Surgery, Tohoku Rosai Hospital, Sendai, Miyagi, Japan; 4 Department of Orthopaedic Surgery, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi, Japan; 5 Department of Orthopaedic Surgery, Tohoku Central Hospital, Yamagata,
Yamagata, Japan; 6 Department of Orthopaedic Surgery, Sendai Orthopaedic Hospital, Sendai, Miyagi, Japan; 7 Department of Orthopaedic Surgery, Sendai Medical Center, Sendai, Miyagi, Japan; 8 Department of Orthopaedic Surgery, JCHO Sendai Hospital, Sendai, Miyagi, Japan


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BACKGROUND: Japan has had a rapidly aging population during the past 30 years. This study aimed to investigate longitudinal changes in the surgical rate for spinal disorders in Miyagi Prefecture (2.35 million inhabitants) with a similar population composition to Japan.
METHODS: Data of spinal surgeries were collected using the spine registry by Tohoku University Spine Society. Data on the annual number of spinal surgeries between 1988 and 2014 of all populations, in those aged ≧65 years old, in those aged ≧75 years old, and for each pathology were collected. The annual surgical rate per 100,000 inhabitants was calculated.
RESULTS: The surgical rate in 2010-2014 in total, at ≧65 years old, and at ≧75 years old showed 3.2-, 3.8- and 7.1-fold increases, respectively, compared with that in 1988-1989. Degenerative spinal disorders, spinal trauma and pyogenic spondylitis markedly increased, while metastatic spinal tumor and tuberculous spondylitis decreased over time. The surgical rate at ≧75 years with lumbar spinal stenosis showed a 12.6 times increase.
CONCLUSIONS: During a rapid period of aging, the rate of spinal surgeries has markedly increased, particularly, that for degenerative disorders. This is the first report on the long-term longitudinal changes in the rate of spinal surgery.


KEY WORDS: Spinal surgery - Aging - Rate of surgery - Longitudinal change

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Publication History

Article first published online: January 4, 2018
Manuscript accepted: January 2, 2018
Manuscript revised: December 14, 2017
Manuscript received: October 25, 2017

Per citare questo articolo

Aizawa T, Kokubun S, Kusakabe T, Ozawa H, Tanaka Y, Hoshikawa T et al. Rate of Spinal Surgery in a Rapidly Aging Society: the 27-year Changes in Miyagi Prefecture, Japan. J Neurosurg Sci 2018 Jan 04. DOI: 10.23736/S0390-5616.18.04251-0

Corresponding author e-mail

toshi-7@med.tohoku.ac.jp