Objective <p>Primary Sjögren’s syndrome-associated peripheral neuropathy (pSS-PN) represents a clinically heterogeneous complication linked to significant morbidity. This study aims to characterize its prevalence, clinical phenotypes, predictive factors, and prognosis.</p> Methods <p>In this retrospective cohort study conducted at Shanghai Tongji Hospital, 553 consecutive pSS patients (2002 American–European Consensus Group criteria) were evaluated. After applying the exclusion criteria, 320 eligible patients completed the full assessment protocol and constituted the final analytical cohort. Based on the diagnostic criteria for peripheral neuropathy (PN), 59 patients were diagnosed with pSS-PN, while the remaining 261 were classified as pSS without PN (pSS-nPN).</p> Results <p>The prevalence of pSS-PN was 18.4% (59/320) in the final cohort. The predominant subtype was distal axonal sensory polyneuropathy (33.9%). Independent predictors included fatigue (OR 2.27, 95% CI 1.27–4.06; <i>p</i> = 0.005), Schirmer’s test ≤ 2&#xa0;mm/5&#xa0;min (OR 2.78, 95% CI 1.62–4.76; <i>p</i> &lt; 0.001), elevated creatine kinase (OR 3.78, 95% CI 1.92–7.45; <i>p</i> &lt; 0.001), ischemic electrocardiogram (ECG) changes (OR 2.17, 95% CI 1.29–3.64;<i> p</i> = 0.003), and pulmonary involvement (OR 6.46, 95% CI 3.70–11.39; <i>p</i> &lt; 0.001).</p> Conclusions <p>Early identification and subtyping of pSS-PN are crucial for accurate disease assessment and guiding treatment.</p>

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Clinical spectrum, predictive biomarkers, and prognostic implications of peripheral neuropathies in primary Sjögren’s syndrome: a retrospective cohort study

  • Yanqing Wang,
  • Jincheng Pu,
  • Fang Han,
  • Chunrui Li,
  • Yan Chen,
  • Yuanyuan Liang,
  • Zhenzhen Wu,
  • Shengnan Pan,
  • Jun Qian,
  • Wei Wang,
  • Jianping Tang,
  • Xuan Wang

摘要

Objective

Primary Sjögren’s syndrome-associated peripheral neuropathy (pSS-PN) represents a clinically heterogeneous complication linked to significant morbidity. This study aims to characterize its prevalence, clinical phenotypes, predictive factors, and prognosis.

Methods

In this retrospective cohort study conducted at Shanghai Tongji Hospital, 553 consecutive pSS patients (2002 American–European Consensus Group criteria) were evaluated. After applying the exclusion criteria, 320 eligible patients completed the full assessment protocol and constituted the final analytical cohort. Based on the diagnostic criteria for peripheral neuropathy (PN), 59 patients were diagnosed with pSS-PN, while the remaining 261 were classified as pSS without PN (pSS-nPN).

Results

The prevalence of pSS-PN was 18.4% (59/320) in the final cohort. The predominant subtype was distal axonal sensory polyneuropathy (33.9%). Independent predictors included fatigue (OR 2.27, 95% CI 1.27–4.06; p = 0.005), Schirmer’s test ≤ 2 mm/5 min (OR 2.78, 95% CI 1.62–4.76; p < 0.001), elevated creatine kinase (OR 3.78, 95% CI 1.92–7.45; p < 0.001), ischemic electrocardiogram (ECG) changes (OR 2.17, 95% CI 1.29–3.64; p = 0.003), and pulmonary involvement (OR 6.46, 95% CI 3.70–11.39; p < 0.001).

Conclusions

Early identification and subtyping of pSS-PN are crucial for accurate disease assessment and guiding treatment.