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Impact of high resolution 3 tesla MR neurography (MRN) on diagnostic thinking and therapeutic patient management.

Abstract：

OBJECTIVE:To evaluate the impact of magnetic resonance neurography (MRN) on diagnostic thinking and therapeutic choices in patients with suspected peripheral neuropathy. METHODS:IRB approval was obtained for this HIPAA-compliant study. Questionnaires were administered to six surgeons regarding the diagnosis and treatment in 85 patients suspected of having peripheral neuropathy, before (pretest) and after (posttest) MRN. Multiple outcome measures related to diagnostic confidence and surgical decision-making were assessed. RESULTS:The final cohort included 81 patients (30 men and 51 women, age 47 ± 17 years). The following changes were observed from pretest to posttest questionnaires: 23% in nerve involvement (P < 0.05), 48% in degree of confidence of nerve involvement (P < 0.01), 27% in grade of injury (P < 0.05), 33% in differential diagnosis (P < 0.05), 63% in degree of confidence in need for surgery (P < 0.001), 41% in timing of surgery (P < 0.01), 30% in approach to surgery (P < 0.05), 58% in degree of confidence in approach to surgery (P < 0.001), 30% in estimated length of surgery (P < 0.05) and 27% in length of incision (P < 0.05). The dichotomous decision regarding surgical or nonsurgical treatment changed from pro to con in 17%. CONCLUSION:MRN results significantly influenced the diagnostic thinking and therapeutic recommendations of peripheral nerve surgeons. KEY POINTS:• In patients with peripheral neuropathy, MRN significantly impacts diagnostic thinking. • In patients with peripheral neuropathy, MRN significantly impacts therapeutic choices. • 3-T MRN should be considered in presurgical planning of patients with peripheral neuropathy.

journal_name

Eur Radiol

journal_title

European radiology

authors

Chhabra A,Belzberg AJ,Rosson GD,Thawait GK,Chalian M,Farahani SJ,Shores JT,Deune G,Hashemi S,Thawait SK,Subhawong TK,Carrino JA

doi

10.1007/s00330-015-3958-y

subject

Has Abstract

pub_date

2016-05-01 00:00:00

pages

1235-44

issue

5

eissn

0938-7994

issn

1432-1084

pii

10.1007/s00330-015-3958-y

journal_volume

26

pub_type

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