Sensory-Motor Index is Useful Parameter in Electroneurographical Diagnosis of Carpal Tunnel Syndrome
It was performed electroneurographic (ENG) studies with surface electrodes and examined nervus medianus (NM) in 60 patients (38 females), average age of 50,28 years (X+/-SD=50,28+/-11), with clinical diagnosis of carpal tunnel syndrome (CTS) and at least one border or discrete abnormal value of conv...
Published in: | Bosnian Journal of Basic Medical Sciences |
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Association of Basic Medical Sciences of Federation of Bosnia and Herzegovina
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ftdoajarticles:oai:doaj.org/article:0922a1e05e9b4d1db0eb96b8bc6f4d99 2024-09-15T18:03:50+00:00 Sensory-Motor Index is Useful Parameter in Electroneurographical Diagnosis of Carpal Tunnel Syndrome Zoran Perić Osman Sinanović 2006-08-01T00:00:00Z https://doi.org/10.17305/bjbms.2006.3139 https://doaj.org/article/0922a1e05e9b4d1db0eb96b8bc6f4d99 EN eng Association of Basic Medical Sciences of Federation of Bosnia and Herzegovina https://www.bjbms.org/ojs/index.php/bjbms/article/view/3139 https://doaj.org/toc/2831-0896 https://doaj.org/toc/2831-090X doi:10.17305/bjbms.2006.3139 2831-0896 2831-090X https://doaj.org/article/0922a1e05e9b4d1db0eb96b8bc6f4d99 Biomolecules & Biomedicine, Vol 6, Iss 3 (2006) sensory-motor index carpal tunnel syndrome Biology (General) QH301-705.5 article 2006 ftdoajarticles https://doi.org/10.17305/bjbms.2006.3139 2024-08-05T17:49:49Z It was performed electroneurographic (ENG) studies with surface electrodes and examined nervus medianus (NM) in 60 patients (38 females), average age of 50,28 years (X+/-SD=50,28+/-11), with clinical diagnosis of carpal tunnel syndrome (CTS) and at least one border or discrete abnormal value of conventional electrophysiological tests. It was also examined 57 healthy individuals (33 females) as control group, average age of 45,65 years (X+/-SD=45,65+/-9,68). The sensitivity and specificity of sensory-motor index (SMI), terminal latency index(TLI) and residual latency (RL) were calculated and compared. SMI is determinate by using following formula: distal distance (DD) (in cm)/distal motor latency (DML) (in ms) + sensory conduction velocity (SCV) (in m/s)/motor conduction velocity (MCV) (in m/s) of NM. SCV of NM was measured by antidromic technique in segment wrist-index finger and MCV of NM in forearm segment above wrist. SMI mean value of control group was 3,45 (X+/-SD=3,45+/-0,45) with lower limit of normal value 2,82 and in patients with CTS 2,13 (X+/-SD=2,13 +/-0,37). The sensitivity of SMI in patients with CTS was 98,51%. SMI is useful parameter in electroneurographical diagnosis of CTS and it's determination is easy and fast and specially important in cases with border or discrete abnormal values of other NM electrophysiological parameters, when SMI values can indicate incipient phase of CTS evolution. In rare cases (about 1%) of CTS with selective NM motor axons affection, SMI may have normal value (false negative result), but DML is always prolonged in this cases. SMI is not dependent on age and DD values in patients with CTS and control subjects. Article in Journal/Newspaper DML Directory of Open Access Journals: DOAJ Articles Bosnian Journal of Basic Medical Sciences 6 3 23 27 |
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Directory of Open Access Journals: DOAJ Articles |
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ftdoajarticles |
language |
English |
topic |
sensory-motor index carpal tunnel syndrome Biology (General) QH301-705.5 |
spellingShingle |
sensory-motor index carpal tunnel syndrome Biology (General) QH301-705.5 Zoran Perić Osman Sinanović Sensory-Motor Index is Useful Parameter in Electroneurographical Diagnosis of Carpal Tunnel Syndrome |
topic_facet |
sensory-motor index carpal tunnel syndrome Biology (General) QH301-705.5 |
description |
It was performed electroneurographic (ENG) studies with surface electrodes and examined nervus medianus (NM) in 60 patients (38 females), average age of 50,28 years (X+/-SD=50,28+/-11), with clinical diagnosis of carpal tunnel syndrome (CTS) and at least one border or discrete abnormal value of conventional electrophysiological tests. It was also examined 57 healthy individuals (33 females) as control group, average age of 45,65 years (X+/-SD=45,65+/-9,68). The sensitivity and specificity of sensory-motor index (SMI), terminal latency index(TLI) and residual latency (RL) were calculated and compared. SMI is determinate by using following formula: distal distance (DD) (in cm)/distal motor latency (DML) (in ms) + sensory conduction velocity (SCV) (in m/s)/motor conduction velocity (MCV) (in m/s) of NM. SCV of NM was measured by antidromic technique in segment wrist-index finger and MCV of NM in forearm segment above wrist. SMI mean value of control group was 3,45 (X+/-SD=3,45+/-0,45) with lower limit of normal value 2,82 and in patients with CTS 2,13 (X+/-SD=2,13 +/-0,37). The sensitivity of SMI in patients with CTS was 98,51%. SMI is useful parameter in electroneurographical diagnosis of CTS and it's determination is easy and fast and specially important in cases with border or discrete abnormal values of other NM electrophysiological parameters, when SMI values can indicate incipient phase of CTS evolution. In rare cases (about 1%) of CTS with selective NM motor axons affection, SMI may have normal value (false negative result), but DML is always prolonged in this cases. SMI is not dependent on age and DD values in patients with CTS and control subjects. |
format |
Article in Journal/Newspaper |
author |
Zoran Perić Osman Sinanović |
author_facet |
Zoran Perić Osman Sinanović |
author_sort |
Zoran Perić |
title |
Sensory-Motor Index is Useful Parameter in Electroneurographical Diagnosis of Carpal Tunnel Syndrome |
title_short |
Sensory-Motor Index is Useful Parameter in Electroneurographical Diagnosis of Carpal Tunnel Syndrome |
title_full |
Sensory-Motor Index is Useful Parameter in Electroneurographical Diagnosis of Carpal Tunnel Syndrome |
title_fullStr |
Sensory-Motor Index is Useful Parameter in Electroneurographical Diagnosis of Carpal Tunnel Syndrome |
title_full_unstemmed |
Sensory-Motor Index is Useful Parameter in Electroneurographical Diagnosis of Carpal Tunnel Syndrome |
title_sort |
sensory-motor index is useful parameter in electroneurographical diagnosis of carpal tunnel syndrome |
publisher |
Association of Basic Medical Sciences of Federation of Bosnia and Herzegovina |
publishDate |
2006 |
url |
https://doi.org/10.17305/bjbms.2006.3139 https://doaj.org/article/0922a1e05e9b4d1db0eb96b8bc6f4d99 |
genre |
DML |
genre_facet |
DML |
op_source |
Biomolecules & Biomedicine, Vol 6, Iss 3 (2006) |
op_relation |
https://www.bjbms.org/ojs/index.php/bjbms/article/view/3139 https://doaj.org/toc/2831-0896 https://doaj.org/toc/2831-090X doi:10.17305/bjbms.2006.3139 2831-0896 2831-090X https://doaj.org/article/0922a1e05e9b4d1db0eb96b8bc6f4d99 |
op_doi |
https://doi.org/10.17305/bjbms.2006.3139 |
container_title |
Bosnian Journal of Basic Medical Sciences |
container_volume |
6 |
container_issue |
3 |
container_start_page |
23 |
op_container_end_page |
27 |
_version_ |
1810441297754849280 |