| Title: |
Nerve Conduction Studies of Dorsal Sural Nerve: Normative Data and Its Potential Application in ATTRv Pre-Symptomatic Subjects |
| Authors: |
Marco Luigetti; Valeria Guglielmino; Marina Romozzi; Angela Romano; Andrea Di Paolantonio; Giulia Bisogni; Eleonora Sabatelli; Anna Modoni; Mario Sabatelli; Serenella Servidei; Mauro Lo Monaco |
| Source: |
Brain Sciences ; Volume 12 ; Issue 8 ; Pages: 1037 |
| Publisher Information: |
Multidisciplinary Digital Publishing Institute |
| Publication Year: |
2022 |
| Collection: |
MDPI Open Access Publishing |
| Subject Terms: |
ATTRv; dorsal sural nerve; monitoring; pre-symptomatic carrier |
| Description: |
The objective of the study is to provide age-related normative values for dorsal sural nerve (DSN) and to analyse its application during follow-up of hereditary transthyretin amyloidosis (ATTRv) pre-symptomatic subjects. We consecutively recruited ATTRv pre-symptomatic carriers in which clinical examination, cardiological evaluation, and nerve conduction studies of the sural nerve and DSN were performed. To provide normative data of DSN, neurophysiologic parameters from healthy controls referred to our service were entered into linear regression analyses to check the relative influence of age and height. A correction grid was then derived. We collected 231 healthy subjects: the mean DSN sensory nerve action potential (SNAP) amplitude was 9.99 ± 5.48 μV; the mean conduction velocity was 49.01 ± 5.31 m/s. Significant correlations were found between age and height with DSN SNAP amplitude. Fifteen ATTRv pre-symptomatic carriers were examined. Sural nerve NCS were normal in 12/15 and revealed low/borderline values in three subjects. Considering our correction grid, we found an abnormal DNS amplitude in 9/15 subjects and low/borderline values in 2/15. In ATTRv, early detection of peripheral nerve damage is crucial to start a disease-modifying treatment. DSN may be easily and reliably included in the routine neurophysiological follow-up of ATTRv pre-symptomatic subjects. |
| Document Type: |
text |
| File Description: |
application/pdf |
| Language: |
English |
| Relation: |
Sensory and Motor Neuroscience; https://dx.doi.org/10.3390/brainsci12081037 |
| DOI: |
10.3390/brainsci12081037 |
| Availability: |
https://doi.org/10.3390/brainsci12081037 |
| Rights: |
https://creativecommons.org/licenses/by/4.0/ |
| Accession Number: |
edsbas.878FD49D |
| Database: |
BASE |