Neuro-degenerative diseases · 2026
Standardizing Normal Pressure Hydrocephalus Diagnosis: The Interdisciplinary Lausanne's Protocol.
СтатьяНазвание и аннотация: Перевод в очереди
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Morel Eric, Kienzler Jenny C, Bommarito Giulia, Griffa Alessandra, Nasuti Mirco, Di Fiore Noemi, Carlier Sabrina, Brioschi-Guevara Andrea, Eberle Gregoire, Van Den Keybus Deglon Katrien, Cossu Giulia, Messerer Mahmoud, Allali Gilles
Аннотация
INTRODUCTION: Idiopathic normal pressure hydrocephalus (iNPH) is a reversible neurological condition characterized by gait disorders, cognitive impairment, and urinary incontinence with ventriculomegaly at brain imaging. Due to the diagnostic complexity, we developed a structured multidisciplinary protocol to improve iNPH diagnosis. We present here the results of the first year after its implementation.
METHODS: A multidisciplinary team involving neurosurgeons, physical therapists, neuropsychologists, and neurologists at the Lausanne University Hospitals (Switzerland) organized a diagnostic path with the following steps: first neurological assessment at the Leenaards Memory Center, neuropsychological assessment, CSF tap test with physiotherapeutic evaluation before and 24 h after the CSF tap-test, post-CSF tap test interdisciplinary consultation with a neurosurgeon and a neurologist, and an interdisciplinary board. In case of neurosurgical treatment, interdisciplinary consultations took place at 6 weeks, 6 and 12 months.
RESULTS: This retrospective analysis included 86 patients (mean age: 76.26 ± 9.08 years; 32.6% female) evaluated between June 2024 and May 2025. Gait disorders were the most common complaint (94.2% of the patients) followed by cognitive (75.6%) and urinary (60.5%) complaints. After initial investigations, the Board evaluated 44 candidates and recommended ventriculoperitoneal shunting for 27 patients. So far, 16 patients have been operated. A total of 92% reported gait improvement at 6 weeks postoperative control. Patients above 80 years of age reported more often gait improvement than patients below 80 years.
CONCLUSION: The Lausanne's protocol demonstrates a feasible, structured, simplified, and efficient diagnostic pathway for iNPH, especially for the oldest patients.
METHODS: A multidisciplinary team involving neurosurgeons, physical therapists, neuropsychologists, and neurologists at the Lausanne University Hospitals (Switzerland) organized a diagnostic path with the following steps: first neurological assessment at the Leenaards Memory Center, neuropsychological assessment, CSF tap test with physiotherapeutic evaluation before and 24 h after the CSF tap-test, post-CSF tap test interdisciplinary consultation with a neurosurgeon and a neurologist, and an interdisciplinary board. In case of neurosurgical treatment, interdisciplinary consultations took place at 6 weeks, 6 and 12 months.
RESULTS: This retrospective analysis included 86 patients (mean age: 76.26 ± 9.08 years; 32.6% female) evaluated between June 2024 and May 2025. Gait disorders were the most common complaint (94.2% of the patients) followed by cognitive (75.6%) and urinary (60.5%) complaints. After initial investigations, the Board evaluated 44 candidates and recommended ventriculoperitoneal shunting for 27 patients. So far, 16 patients have been operated. A total of 92% reported gait improvement at 6 weeks postoperative control. Patients above 80 years of age reported more often gait improvement than patients below 80 years.
CONCLUSION: The Lausanne's protocol demonstrates a feasible, structured, simplified, and efficient diagnostic pathway for iNPH, especially for the oldest patients.