Post Cardiac Surgery Neurocognitive Decline: Correlations Between Neuropsychological Tests and Functional MRI Techniques

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

50 participants

Study Classification

OBSERVATIONAL

Study Start Date

2013-10-31

Study Completion Date

2016-10-31

Brief Summary

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Postoperative cognitive decline (POCD) is a frequent complication after cardiac surgery. It is estimated that 40-70% of all cardiac patients show cognitive dysfunction during the first post-surgical week. Six weeks after surgery, this incidence decreases to 10-40% and the figure remains stable over the long-term.

The investigators will recruit 50 patients undergoing elective valve surgery and each patient will receive complete evaluation a) preoperative, one week before surgery; b) early postoperative, before hospital discharge; and c) late postoperative, 8 weeks follow up.

The investigators will apply Diffusion Tensor Imaging, 1Proton-Magnetic Resonance Spectroscopy and Morphometry studies with correlation to neuropsychological test battery to evaluate POCD.

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Detailed Description

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Conditions

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Postoperative Cognitive Dysfunction

Study Design

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Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Patients undergoing elective valve surgery in Ospedale del Cuore, Fondazione G. Monasterio, Massa, Italy will prospectively enter the study.

Exclusion Criteria

* History of head trauma, seizures, stroke, carotid artery stenosis (\>70%)
* History of any major surgery with general anesthesia
* Preoperative MMSE score less than 23 to exclude patients with dementia and mild cognitive impairment (MCI)
* Subjects who will be unable to complete the baseline neuropsychological battery due to cognitive impairment, psychiatric disease, substance abuse, blindness, or poor knowledge of Italian language
* Any major neurological complication after CABG surgery (stroke, seizures, encephalopathy not resolving within few postoperative days)
* if any contraindications to MRI safety, indicated in local MRI safety protocol

Minimum Eligible Age

35 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No