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Reference Value for Infrapatellar Branch of Saphenous Nerve Conduction Study: Cadaveric and Clinical Study

OBJECTIVE: To determine the optimal stimulation and recording site for infrapatellar branch of saphenous nerve (IPBSN) conduction studies by a cadaveric study, and to confirm that obtained location is practically applicable to healthy adults. METHODS: Twelve lower limbs from six cadavers were studie...

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Autores principales: Kim, Keon-tae, Kim, Yong-ki, Yoon, Jung Ro, Ko, Yundam, Chung, Myung Eun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Korean Academy of Rehabilitation Medicine 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5940609/
https://www.ncbi.nlm.nih.gov/pubmed/29765886
http://dx.doi.org/10.5535/arm.2018.42.2.321
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author Kim, Keon-tae
Kim, Yong-ki
Yoon, Jung Ro
Ko, Yundam
Chung, Myung Eun
author_facet Kim, Keon-tae
Kim, Yong-ki
Yoon, Jung Ro
Ko, Yundam
Chung, Myung Eun
author_sort Kim, Keon-tae
collection PubMed
description OBJECTIVE: To determine the optimal stimulation and recording site for infrapatellar branch of saphenous nerve (IPBSN) conduction studies by a cadaveric study, and to confirm that obtained location is practically applicable to healthy adults. METHODS: Twelve lower limbs from six cadavers were studied. We defined the optimal stimulation site as the point IPBSN exits the sartorius muscle and the distance or ratio were measured on the X- and Y-axis based on the line connecting the medial and lateral poles of the patella. We defined the optimal recording site as the point where the terminal branch met the line connecting inferior pole of patella and tibial tuberosity, and measured the distance from the inferior pole. Also, nerve conduction studies were performed with obtained location in healthy adults. RESULTS: In optimal stimulation site, the mean value of X-coordinate was 55.50±6.10 mm, and the ratio of the Y-coordinate to the thigh length was 25.53%±5.40%. The optimal recording site was located 15.92±1.83 mm below the inferior pole of patella. In our sensory nerve conduction studies through this location, mean peak latency was 4.11±0.30 ms and mean amplitude was 4.16±1.49 µV. CONCLUSION: The optimal stimulation site was located 5.0–6.0 cm medial to medial pole of the patella and 25% of thigh length proximal to the X-axis. The optimal recording site was located 1.5–2.0 cm below inferior pole of patella. We have also confirmed that this location is clinically applicable.
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spelling pubmed-59406092018-05-15 Reference Value for Infrapatellar Branch of Saphenous Nerve Conduction Study: Cadaveric and Clinical Study Kim, Keon-tae Kim, Yong-ki Yoon, Jung Ro Ko, Yundam Chung, Myung Eun Ann Rehabil Med Original Article OBJECTIVE: To determine the optimal stimulation and recording site for infrapatellar branch of saphenous nerve (IPBSN) conduction studies by a cadaveric study, and to confirm that obtained location is practically applicable to healthy adults. METHODS: Twelve lower limbs from six cadavers were studied. We defined the optimal stimulation site as the point IPBSN exits the sartorius muscle and the distance or ratio were measured on the X- and Y-axis based on the line connecting the medial and lateral poles of the patella. We defined the optimal recording site as the point where the terminal branch met the line connecting inferior pole of patella and tibial tuberosity, and measured the distance from the inferior pole. Also, nerve conduction studies were performed with obtained location in healthy adults. RESULTS: In optimal stimulation site, the mean value of X-coordinate was 55.50±6.10 mm, and the ratio of the Y-coordinate to the thigh length was 25.53%±5.40%. The optimal recording site was located 15.92±1.83 mm below the inferior pole of patella. In our sensory nerve conduction studies through this location, mean peak latency was 4.11±0.30 ms and mean amplitude was 4.16±1.49 µV. CONCLUSION: The optimal stimulation site was located 5.0–6.0 cm medial to medial pole of the patella and 25% of thigh length proximal to the X-axis. The optimal recording site was located 1.5–2.0 cm below inferior pole of patella. We have also confirmed that this location is clinically applicable. Korean Academy of Rehabilitation Medicine 2018-04 2018-04-30 /pmc/articles/PMC5940609/ /pubmed/29765886 http://dx.doi.org/10.5535/arm.2018.42.2.321 Text en Copyright © 2018 by Korean Academy of Rehabilitation Medicine http://creativecommons.org/licenses/by-nc/4.0 This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Kim, Keon-tae
Kim, Yong-ki
Yoon, Jung Ro
Ko, Yundam
Chung, Myung Eun
Reference Value for Infrapatellar Branch of Saphenous Nerve Conduction Study: Cadaveric and Clinical Study
title Reference Value for Infrapatellar Branch of Saphenous Nerve Conduction Study: Cadaveric and Clinical Study
title_full Reference Value for Infrapatellar Branch of Saphenous Nerve Conduction Study: Cadaveric and Clinical Study
title_fullStr Reference Value for Infrapatellar Branch of Saphenous Nerve Conduction Study: Cadaveric and Clinical Study
title_full_unstemmed Reference Value for Infrapatellar Branch of Saphenous Nerve Conduction Study: Cadaveric and Clinical Study
title_short Reference Value for Infrapatellar Branch of Saphenous Nerve Conduction Study: Cadaveric and Clinical Study
title_sort reference value for infrapatellar branch of saphenous nerve conduction study: cadaveric and clinical study
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5940609/
https://www.ncbi.nlm.nih.gov/pubmed/29765886
http://dx.doi.org/10.5535/arm.2018.42.2.321
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