Affiliation:
1. Neurosurgical Unit, Department of Biomedicine, Neurosciences and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
Abstract
OBJECTIVE
Idiopathic normal pressure hydrocephalus (iNPH) represents an insidious type of dementia considered reversible after shunt placement. Although the clinical outcome has been widely studied, few studies have reported on quality of life (QOL) after surgery. This study evaluated the long-term clinical and QOL outcomes of iNPH patients after ventriculoperitoneal shunt (VPS) implantation. Factors influencing QOL in iNPH were also investigated.
METHODS
From 2009 to 2020, a single-institution retrospective study was conducted to compare shunted iNPH patients with a homogeneous control group. QOL was analyzed using the SF-36 questionnaire with yearly follow-up for as long as 11 years. Severity of symptoms, comorbidities, and clinical data were also recorded.
RESULTS
Among 187 treated patients, 15 had died at the time of the authors’ evaluation, and 45 did not match the inclusion criteria. The mean ± SD (range) follow-up was 118.5 ± 4.2 (18–132) months. QOL improved in 103/130 (79%) patients through 5 years after shunt surgery, although it remained lower than that of the control group (p < 0.0001). The SF-36 score reduced progressively, reaching baseline at 5–7 years of follow-up and decreased to below baseline at 7–11 years of follow-up (p < 0.0001). Predictors of improved QOL were younger age (p < 0.001), lower body mass index (BMI) (p < 0.001), and better Mini-Mental State Examination (MMSE) performance (p < 0.001) before surgery. Decreased postoperative QOL was associated with cerebrovascular disease, diabetes, and severity of symptoms (gait and cognition) at presentation (p < 0.001).
CONCLUSIONS
VPS implantation, along with a strict and comprehensive follow-up, has been shown to improve QOL in iNPH patients for as long as 5 years after surgery. Younger age, lower BMI, and better MMSE score are positive predictors of improved QOL after shunt placement.
Publisher
Journal of Neurosurgery Publishing Group (JNSPG)
Subject
Neurology (clinical),General Medicine,Surgery
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