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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT01622452
Other study ID # 396/12 FTGM
Secondary ID
Status Not yet recruiting
Phase N/A
First received June 15, 2012
Last updated August 14, 2013
Start date October 2013
Est. completion date October 2016

Study information

Verified date August 2013
Source Fondazione Toscana Gabriele Monasterio
Contact Domenico Montanaro, MD
Phone +390585493564
Email domenico.montanaro@ftgm.it
Is FDA regulated No
Health authority Italy: Ethics Committee
Study type Observational

Clinical Trial Summary

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.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 50
Est. completion date October 2016
Est. primary completion date July 2016
Accepts healthy volunteers No
Gender Both
Age group 35 Years to 70 Years
Eligibility 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

Study Design

Time Perspective: Prospective


Related Conditions & MeSH terms


Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Fondazione Toscana Gabriele Monasterio

Outcome

Type Measure Description Time frame Safety issue
Primary Brain MRI microstructural/functional alteration due to cardiac surgery in association with POCD On the basis of scientific literature, the patients during the first post-cardiosurgical week can show cognitive dysfunction in 40-70% of the cases, decreasing after 6 weeks to 10-40%, remaining stable over the long-term. To identify corresponding brain specific microstructural variations, simultaneously to the neuropsychological evaluation, the same group of patients will undergo to MRI with standard sequence and advanced morpho-structural methods (DTI and VBM). Comparing data with a group of healthy age-matched subjects (20), quantitative measurements by VBM and DTI will be carried out to identify GM and WM variations, subsequently correlated with onset of POCD. 32 months No
Primary Brain MRI metabolic alteration due to cardiac surgery in association with POCD To explore pre- and post- operative metabolic changes on the brain using in-vivo proton magnetic resonance spectroscopy (1H-MRS) after otherwise successful cardiac surgery with no major neurological event. 32 months No
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