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Nakajima M, Yamada S, Miyajima M, Ishii K, Kuriyama N, Kazui H, Kanemoto H, Suehiro T, Yoshiyama K, Kameda M, Kajimoto Y, Mase M, Murai H, Kita D, Kimura T, Samejima N, Tokuda T, Kaijima M, Akiba C, Kawamura K, Atsuchi M, Hirata Y, Matsumae M, Sasaki M, Yamashita F, Aoki S, Irie R, Miyake H, Kato T, Mori E, Ishikawa M, Date I, Arai H. Guidelines for Management of Idiopathic Normal Pressure Hydrocephalus (Third Edition): Endorsed by the Japanese Society of Normal Pressure Hydrocephalus. Neurol Med Chir (Tokyo) 2021; 61:63-97. [PMID: 33455998 PMCID: PMC7905302 DOI: 10.2176/nmc.st.2020-0292] [Citation(s) in RCA: 182] [Impact Index Per Article: 60.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Among the various disorders that manifest with gait disturbance, cognitive impairment, and urinary incontinence in the elderly population, idiopathic normal pressure hydrocephalus (iNPH) is becoming of great importance. The first edition of these guidelines for management of iNPH was published in 2004, and the second edition in 2012, to provide a series of timely, evidence-based recommendations related to iNPH. Since the last edition, clinical awareness of iNPH has risen dramatically, and clinical and basic research efforts on iNPH have increased significantly. This third edition of the guidelines was made to share these ideas with the international community and to promote international research on iNPH. The revision of the guidelines was undertaken by a multidisciplinary expert working group of the Japanese Society of Normal Pressure Hydrocephalus in conjunction with the Japanese Ministry of Health, Labour and Welfare research project. This revision proposes a new classification for NPH. The category of iNPH is clearly distinguished from NPH with congenital/developmental and acquired etiologies. Additionally, the essential role of disproportionately enlarged subarachnoid-space hydrocephalus (DESH) in the imaging diagnosis and decision for further management of iNPH is discussed in this edition. We created an algorithm for diagnosis and decision for shunt management. Diagnosis by biomarkers that distinguish prognosis has been also initiated. Therefore, diagnosis and treatment of iNPH have entered a new phase. We hope that this third edition of the guidelines will help patients, their families, and healthcare professionals involved in treating iNPH.
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Affiliation(s)
- Madoka Nakajima
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Shigeki Yamada
- Department of Neurosurgery, Shiga University of Medical Science, Ohtsu, Shiga, Japan
| | - Masakazu Miyajima
- Department of Neurosurgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Kazunari Ishii
- Department of Radiology, Kindai University Faculty of Medicine, Osakasayama, Osaka, Japan
| | - Nagato Kuriyama
- Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Kyoto, Japan
| | - Hiroaki Kazui
- Department of Neuropsychiatry, Kochi Medical School, Kochi University, Nankoku, Kochi, Japan
| | - Hideki Kanemoto
- Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Takashi Suehiro
- Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Kenji Yoshiyama
- Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Masahiro Kameda
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Okayama, Japan
| | - Yoshinaga Kajimoto
- Department of Neurosurgery, Division of Surgery, Osaka Medical College, Takatsuki, Osaka, Japan
| | - Mitsuhito Mase
- Department of Neurosurgery, Nagoya City University, Graduate School of Medical Sciences, Nagoya, Aichi, Japan
| | - Hisayuki Murai
- Department of Neurosurgery, Chibaken Saiseikai Narashino Hospital, Narashino, Chiba, Japan
| | - Daisuke Kita
- Department of Neurosurgery, Noto General Hospital, Nanao, Ishikawa, Japan
| | - Teruo Kimura
- Department of Neurosurgery, Kitami Red Cross Hospital, Kitami, Hokkaido, Japan
| | - Naoyuki Samejima
- Department of Neurosurgery, Tokyo Kyosai Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Tokyo, Japan
| | - Takahiko Tokuda
- Department of Functional Brain Imaging Research, National Institute of Radiological Science, National Institutes for Quantum and Radiological Science and Technology, Chiba, Chiba, Japan
| | - Mitsunobu Kaijima
- Department of Neurosurgery, Hokushinkai Megumino Hospital, Eniwa, Hokkaido, Japan
| | - Chihiro Akiba
- Department of Neurosurgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Kaito Kawamura
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Masamichi Atsuchi
- Normal Pressure Hydrocephalus Center, Jifukai Atsuchi Neurosurgical Hospital, Kagoshima, Kagoshima, Japan
| | - Yoshihumi Hirata
- Department of Neurosurgery, Kumamoto Takumadai Hospital, Kumamoto, Kumamoto, Japan
| | - Mitsunori Matsumae
- Department of Neurosurgery at Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Makoto Sasaki
- Division of Ultrahigh Field MRI, Institute for Biomedical Sciences, Iwate Medical University, Yahaba, Iwate, Japan
| | - Fumio Yamashita
- Division of Ultrahigh Field MRI, Institute for Biomedical Sciences, Iwate Medical University, Yahaba, Iwate, Japan
| | - Shigeki Aoki
- Department of Radiology, Juntendo University School of Medicine, Tokyo, Japan
| | - Ryusuke Irie
- Department of Radiology, Juntendo University School of Medicine, Tokyo, Japan
| | - Hiroji Miyake
- Nishinomiya Kyoritsu Rehabilitation Hospital, Nishinomiya, Hyogo, Japan
| | - Takeo Kato
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Yamagata, Yamagata, Japan
| | - Etsuro Mori
- Department of Behavioral Neurology and Neuropsychiatry, Osaka University United Graduate School of Child Development, Suita, Osaka, Japan
| | - Masatsune Ishikawa
- Department of Neurosurgery and Normal Pressure Hydrocephalus Center, Rakuwakai Otowa Hospital, Kyoto, Kyoto, Japan
| | - Isao Date
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Okayama, Japan
| | - Hajime Arai
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
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