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Background <p>Peroneal neuropathy at the fibular head (PNFH) is often associated with recent weight loss (WL); however, it remains unclear how weight-loss characteristics are related to nerve involvement. This study aimed to investigate the relationship between WL characteristics and clinical and electrodiagnostic findings in patients with PNFH.</p> Methods <p>Thirty-seven adults diagnosed with PNFH between October 2018 and June 2022 were retrospectively analyzed. Patients were divided into WL (<i>n</i> = 22) and non-WL (<i>n</i> = 15) groups. WL was defined as a ≥ 5% reduction in baseline body weight within one to six months. WL parameters included absolute WL, WL percentage (WLP%), WL per month (WLPM), and BMI reduction (BMI-R). Clinical and electrophysiological findings were compared between groups.</p> Results <p>The mean WL was 21.5 ± 13.2&#xa0;kg over a median of 3.5 months. Overall electrophysiological findings were similar between groups, except for a higher prevalence of abnormal superficial peroneal nerve conduction studies in the WL group (10/22 vs. 2/15, <i>p</i> = 0.043). Sensory nerve conduction velocity showed significant negative correlations with admission weight (<i>p</i> = 0.005), pre-weight-loss BMI (<i>p</i> = 0.009), total weight loss (<i>p</i> = 0.007), WLP% (<i>p</i> = 0.008), BMI-R (<i>p</i> = 0.047), and WLPM (<i>p</i> = 0.046).</p> Conclusions <p>Rapid or substantial WL is associated with more frequent sensory abnormalities in PNFH. Evaluating WL history and sensory nerve involvement may improve the clinical assessment of patients with PNFH.</p>

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Association between body weight reduction and electrodiagnostic findings in peroneal neuropathy at the fibular head

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年8月5日

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  • Metin Balduz,
  • U. Cigdem Alaydin,
  • Halit Fidancı,
  • Mehmet Yıldız,
  • Şencan Buturak,
  • Zülfikar Arlıer

摘要

Background

Peroneal neuropathy at the fibular head (PNFH) is often associated with recent weight loss (WL); however, it remains unclear how weight-loss characteristics are related to nerve involvement. This study aimed to investigate the relationship between WL characteristics and clinical and electrodiagnostic findings in patients with PNFH.

Methods

Thirty-seven adults diagnosed with PNFH between October 2018 and June 2022 were retrospectively analyzed. Patients were divided into WL (n = 22) and non-WL (n = 15) groups. WL was defined as a ≥ 5% reduction in baseline body weight within one to six months. WL parameters included absolute WL, WL percentage (WLP%), WL per month (WLPM), and BMI reduction (BMI-R). Clinical and electrophysiological findings were compared between groups.

Results

The mean WL was 21.5 ± 13.2 kg over a median of 3.5 months. Overall electrophysiological findings were similar between groups, except for a higher prevalence of abnormal superficial peroneal nerve conduction studies in the WL group (10/22 vs. 2/15, p = 0.043). Sensory nerve conduction velocity showed significant negative correlations with admission weight (p = 0.005), pre-weight-loss BMI (p = 0.009), total weight loss (p = 0.007), WLP% (p = 0.008), BMI-R (p = 0.047), and WLPM (p = 0.046).

Conclusions

Rapid or substantial WL is associated with more frequent sensory abnormalities in PNFH. Evaluating WL history and sensory nerve involvement may improve the clinical assessment of patients with PNFH.