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Cognitive functioning and subjective quality of life in relapsing-remitting multiple sclerosis patients before and after percutaneous transluminal angioplasty: a preliminary report

Authors De Pasquale C, Pistorio ML, Veroux M, Giaquinta A, Veroux P, Fornaro M

Received 25 March 2014

Accepted for publication 21 April 2014

Published 11 June 2014 Volume 2014:10 Pages 1039—1044

DOI https://doi.org/10.2147/NDT.S64751

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 4

Concetta De Pasquale,1,2 Maria Luisa Pistorio,1 Massimiliano Veroux,2 Alessia Giaquinta,2 Pierfrancesco Veroux,2 Michele Fornaro1

1Department of Education Science, University of Catania, Catania, Italy; 2Vascular Surgery and Organ Transplant Unit, Department of Surgery Transplantation and Advanced Technologies, University Hospital of Catania, Catania, Italy

Background: Multiple sclerosis (MS) is a disease of the nervous system that has profound effects on everyday functioning and quality of life of not only the person who is diagnosed, but also her/his family and acquaintances. Despite this, the uncertainties of the actual etiological basis of MS make it difficult to reach a conclusive statement about the optimal therapeutic management of the disease, which may differ depending on the given case and phase of illness. This has led to an interest in potential novel therapeutic avenues, including percutaneous transluminal angioplasty (PTA). Yet, evidence in support of PTA in the management of MS is scarce and contradictory. The aim of the present study was to provide a preliminary assessment as to whether PTA may impact subjective quality of life and cognitive functioning in severe MS.
Method: Ninety-five MS outpatients were followed-up for 24 months on a scheduled basis using the Milan Overall Dementia Assessment and the short-form 36-item scales, and were clinically evaluated by an appointed neurologist and psychiatrist.
Results: At end point (month 24), only a minority of patients were still active in the study (n=33 or 34.74%). Among other measures, those who remained in the study until completion showed a significantly better Expanded Disability Status Scale and Milan Overall Dementia Assessment autonomy profile at study entrance compared to those patients who did not remain in the study until completion. Limitations were: a lack of any active control group; small sample size; Berkson’s bias; and selection by indication biases.
Conclusion: Given the burden of MS and its high attrition rate, additional studies, including bigger samples, active control groups, and Cox’s regression and survival analysis in case of randomization, should shed further light on the actual usefulness of PTA for the most severe cases of MS.

Keywords: CCSVI, chronic cerebrospinal venous insufficiency, PTA

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