Variations in the distal branches of the superficial fibular sensory nerve

Hemmi, Shoji; Kurokawa, Katsumi; Nagai, Toshiaki; Kushida, Ryutaro; Okamoto, Toshio; Murakami, Tatsufumi; Sunada, Yoshihide

doi:10.1002/mus.25196

Cited by 5 publications

(6 citation statements)

References 7 publications

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“…This might be due to various anomalous innervations of the DSN to the IDCN territory. Our previous study (Hemmi et al, 2017) showed that "standard innervation type" (the IDCN territory being innervated by the IDCN alone) was in only 6.5% of cases and "sural only type" (the IDCN territory being taken by the DSN alone) was in 14.5% of cases. When the two groups were compared (standard innervation type vs. sural only type), a higher SNAP amplitude could be obtained in the "sural only type" by our method with SSEs (P=0.03) but not by the conventional method with a standard bipolar stimulator (P=0.76).…”

Section: Discussionmentioning

confidence: 98%

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A new technique for dorsal sural nerve conduction study with surface strip electrodes

Hemmi

Kurokawa

Nagai

et al. 2017

Clinical Neurophysiology

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Section: Discussionmentioning

confidence: 98%

“…Our previous study showed that variant innervations were more frequent in the IDCN than in the MDCN due to the anatomical relationship of the IDCN with the DSN (Hemmi et al, 2017). In 93.5% of the feet, the IDCN was partially or totally absent and its place was taken by the DSN.…”

Section: Introductionmentioning

confidence: 96%

A new technique for dorsal sural nerve conduction study with surface strip electrodes

Hemmi

Kurokawa

Nagai

et al. 2017

Clinical Neurophysiology

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“…Knowing the anatomical variants of this nerve ensures, in addition to better nerve utilization, a greater chance of preventing injuries to the distal branches involved in its harvesting procedure [24]. Simple electroneuromyography tests may be used for the non-invasive ascertainment of possible variations in the SFN terminal branching [11]. The preoperative application of these tests can be of great value to avoid iatrogenic injury to this nerve.…”

Section: Discussionmentioning

confidence: 99%

Branching patterns of the superficial fibular nerve: an anatomical study with meta-analysis

et al. 2022

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Purpose: To investigate variations in the branching patterns of the super cial bular nerve (SFN) in regard to the deep fascia of the leg and to the ankle joint level.Methods: A broad literature search was conducted in PubMed, Scopus, Lilacs, and Web of Science databases on October 14 th , 2021. PRISMA guidelines have been followed throughout this review. Articles with data on SFN variations prevalence were included. The data were extracted and pooled into a metaanalysis. The authors also dissected a total of 64 formalin-xed Brazilian fetuses (n = 124 lower limbs).Results: Twenty-ve studies (n = 1272 lower limbs) comprised this review. Concerning the SFN branching at the deep fascia, type 1 variation (the SFN pierces the fascia as a single nerve trunk) had a pooled prevalence of 86.4% (95% CI 84.5-88.2), while type 2 had a pooled prevalence of 13.6% (95% CI 11.8-15.5). At the ankle joint level, type 2 variation (the SFN splits in its terminal branches after cross the joint) was the most common pattern, with a pooled prevalence of 78.7% (95% CI 74.5-82.7). Conclusion:In the most prevalent anatomical pattern, the SFN branching between its exit site from the deep fascia and the level of the ankle joint. These variants have great clinical signi cance.

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“…In one participant, the SNAP was obtained on stimulating the superficial peroneal nerve but not the sural nerve. [ 18 ]…”

Section: Aterials and M Ethodsmentioning

confidence: 99%

Dorsal sural sensory nerve action potential: A study for reference values

Chaudhari

Mansukhani

Sharma

et al. 2017

Ann Indian Acad Neurol

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Background:Dorsal sural sensory nerve action potential (SNAP) could help diagnose early or subclinical peripheral neuropathy.Objectives:To establish reference data for dorsal sural SNAP amplitude, latency, and velocity in healthy participants.Materials and Methods:A prospective study was conducted in 45 nerves from healthy participants between 18 and 90 years and stratified into three age groups (a = 18–40 years, b = 41–60 years, and c>60 years). StataCorp 12.2 statistical program was used for all statistical analyses. Mean-2 standard deviation was used to generate reference values for the lower limit of amplitude and velocity in each age group. ANOVA with Bonferroni correction was used for intergroup comparisons of amplitude and velocity. Regression analysis was used to compute an equation for the predicted amplitude with age, height, and weight as the covariates.Results:The lower limit for amplitude (uv) in Groups a, b, and c was 2.57, 1.97, and 1.01, respectively. The lower limit for velocity (m/s) was 33.6, 32, and 22.8, respectively. Statistical significance was noted between the amplitudes of participants in Groups b and c (P = 0.039) and a and c (P = 0.001). Similarly, velocity was significantly different between Groups b and c (P = 0.04) and a and c (P = 0.008). Age was the covariate with maximum effect on the dorsal sural amplitude. Gender and side-to-side comparison did not show statistical significance for amplitude and velocity measurements. Linear regression analysis of the transformed amplitude gave the predictive equation as (y) =3.338 + age (−0.0167) + height in meters (−0.209) + weight (0.001).Conclusion:This study provides reference data for dorsal sural SNAP in Indian population stratified by age.

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Variations in the distal branches of the superficial fibular sensory nerve

Abstract: These results suggest that anatomical variations in the IDCN territory are very frequent in Japanese subjects. Muscle Nerve 55: 74-76, 2017.

Cited by 5 publications

References 7 publications

A new technique for dorsal sural nerve conduction study with surface strip electrodes

A new technique for dorsal sural nerve conduction study with surface strip electrodes

Branching patterns of the superficial fibular nerve: an anatomical study with meta-analysis

Dorsal sural sensory nerve action potential: A study for reference values

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