Preoperative thalamus volume is not associated with preoperative cognitive impairment (preCI) or postoperative cognitive dysfunction (POCD)

A growing body of literature suggests the important role of the thalamus in cognition and neurodegenerative diseases. This study aims to elucidate whether the preoperative thalamic volume is associated with preoperative cognitive impairment (preCI) and whether it is predictive for postoperative cogn...

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Veröffentlicht in:Scientific reports Jg. 13; H. 1; S. 11732 - 10
Hauptverfasser: Fislage, Marinus, Feinkohl, Insa, Borchers, Friedrich, Pischon, Tobias, Spies, Claudia D., Winterer, Georg, Zacharias, Norman
Format: Journal Article
Sprache:Englisch
Veröffentlicht: London Nature Publishing Group UK 20.07.2023
Nature Publishing Group
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631/378/2612
631/378/2649
692/53/2423
692/617/375
Associative learning
Cognition
Cognition Disorders - pathology
Cognitive ability
Cognitive Dysfunction - diagnosis
Cognitive Dysfunction - etiology
Dementia disorders
Humanities and Social Sciences
Humans
Magnetic resonance imaging
Measuring techniques
multidisciplinary
NCT
NCT02265263
Neurodegenerative diseases
Neuropsychological Tests
Neuropsychology
Patients
Postoperative Cognitive Complications
Postoperative Complications - diagnosis
Psychology
Regression analysis
Science
Science (multidisciplinary)
Spatial memory
Statistical analysis
Surgery
Thalamus
ISSN:2045-2322, 2045-2322
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Zusammenfassung:A growing body of literature suggests the important role of the thalamus in cognition and neurodegenerative diseases. This study aims to elucidate whether the preoperative thalamic volume is associated with preoperative cognitive impairment (preCI) and whether it is predictive for postoperative cognitive dysfunction at 3 months (POCD). We enrolled 301 patients aged 65 or older and without signs of dementia who were undergoing elective surgery. Magnetic resonance imaging was conducted prior to surgery. Freesurfer (version 5.3.) was used to automatically segment the thalamus volume. A neuropsychological test battery was administered before surgery and at a 3 month follow-up. It included the computerized tests Paired Associate Learning (PAL), Verbal Recognition Memory (VRM), Spatial Span Length (SSP), Simple Reaction Time (SRT), the pen-and-paper Trail-Making-Test (TMT) and the manual Grooved Pegboard Test (GPT). Using a reliable change index, preCI and POCD were defined as total Z-score > 1.96 (sum score over all tests) and/or Z-scores > 1.96 in ≥ 2 individual cognitive test parameters. For statistical analyses, multivariable logistic regression models were applied. Age, sex and intracranial volume were covariates in the models. Of 301 patients who received a presurgical neuropsychological testing and MRI, 34 (11.3%) had preCI. 89 patients (29.5%) were lost to follow-up. The remaining 212 patients received a follow-up cognitive test after 3 months, of whom 25 (8.3%) presented with POCD. Independently of age, sex and intracranial volume, neither preCI (OR per cm 3 increment 0.81 [95% CI 0.60–1.07] p = 0.14) nor POCD (OR 1.02 per cm 3 increment [95% CI 0.75–1.40] p = 0.87) were statistically significantly associated with patients’ preoperative thalamus volume. In this cohort we could not show an association of presurgical thalamus volume with preCI or POCD. Clinical Trial Number: NCT02265263 ( https://clinicaltrials.gov/ct2/show/results/NCT02265263 ) .
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ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-023-38673-x