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<p>Hydrocephalus is a common complication following aneurysmal subarachnoid hemorrhage (aSAH), associated with increased morbidity and mortality. While its immediate negative impact on cognitive function is well-known, the longitudinal effects, especially in lower-grade aSAH patients, remain unclear. This study aimed to assess these effects. Within the prospective, multicenter “MoCA-DCI study” (ClinicalTrials.gov NCT03032471), patients with a GCS of 13–15 &lt; 72&#xa0;h post-aSAH underwent serial neuropsychological assessments using the Montreal Cognitive Assessment (MoCA) at baseline (&lt; 72&#xa0;h post-aSAH), around discharge (14–28 days post-aSAH), and at 3-month follow-up. Standardized MoCA scores were compared to evaluate cognitive outcomes, and the likelihood of a clinically meaningful decline (≥ 2 points) was assessed in patients with and without hydrocephalus. We included 112 patients, mean age 53.9 years (SD 13.9), 66.1% female. Forty patients (35.7%) developed acute hydrocephalus and received external ventricular drainage; 10 of these (25%) required a ventriculo-peritoneal shunt. MoCA z-scores were significantly lower in the hydrocephalus group at baseline (-2.84 vs. -1.12, <i>p</i> &lt; 0.001), at discharge (-3.35 vs. 0.53, <i>p</i> &lt; 0.001), and at 3 months (-0.68 vs. 0.07, <i>p</i> = 0.02). Patients with hydrocephalus were more likely to experience a ≥ 2-point decline from baseline at discharge (OR 2.76, 95% CI 1.16–6.53; <i>p</i> = 0.02) but not at the 3-month follow-up (OR 1.22, 95% CI 0.32–4.62; <i>p</i> = 0.77). Acute hydrocephalus has a negative impact on longitudinal neurocognitive function, yet patients demonstrate improvements until 3-month follow-up. The impairment of cognitive function may be partially recovered as cerebrospinal fluid flow is restored or permanently diverted.</p>

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Impact of acute hydrocephalus after aneurysmal SAH on longitudinal cognitive outcome– post-hoc analysis of the MoCA-DCI study

  • 期刊论文

  • 发表日期：

    2025年6月3日

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  • Vincens Kälin,
  • Svenja Maschke,
  • Menno R. Germans,
  • Philippe Bijlenga,
  • Rodolfo Maduri,
  • Roy Thomas Daniel,
  • Thomas Robert,
  • Johannes Goldberg,
  • David Bervini,
  • Anna M. Zeitlberger,
  • Oliver Bozinov,
  • Emanuela Keller,
  • Luca Regli,
  • Martin N. Stienen,
  • Isabel C. Hostettler

摘要

Hydrocephalus is a common complication following aneurysmal subarachnoid hemorrhage (aSAH), associated with increased morbidity and mortality. While its immediate negative impact on cognitive function is well-known, the longitudinal effects, especially in lower-grade aSAH patients, remain unclear. This study aimed to assess these effects. Within the prospective, multicenter “MoCA-DCI study” (ClinicalTrials.gov NCT03032471), patients with a GCS of 13–15 < 72 h post-aSAH underwent serial neuropsychological assessments using the Montreal Cognitive Assessment (MoCA) at baseline (< 72 h post-aSAH), around discharge (14–28 days post-aSAH), and at 3-month follow-up. Standardized MoCA scores were compared to evaluate cognitive outcomes, and the likelihood of a clinically meaningful decline (≥ 2 points) was assessed in patients with and without hydrocephalus. We included 112 patients, mean age 53.9 years (SD 13.9), 66.1% female. Forty patients (35.7%) developed acute hydrocephalus and received external ventricular drainage; 10 of these (25%) required a ventriculo-peritoneal shunt. MoCA z-scores were significantly lower in the hydrocephalus group at baseline (-2.84 vs. -1.12, p < 0.001), at discharge (-3.35 vs. 0.53, p < 0.001), and at 3 months (-0.68 vs. 0.07, p = 0.02). Patients with hydrocephalus were more likely to experience a ≥ 2-point decline from baseline at discharge (OR 2.76, 95% CI 1.16–6.53; p = 0.02) but not at the 3-month follow-up (OR 1.22, 95% CI 0.32–4.62; p = 0.77). Acute hydrocephalus has a negative impact on longitudinal neurocognitive function, yet patients demonstrate improvements until 3-month follow-up. The impairment of cognitive function may be partially recovered as cerebrospinal fluid flow is restored or permanently diverted.