INTRODUCTION: The impact of small-fiber neuropathy (SFN) on patients' quality of life (QOL) has not been studied extensively. Our aim was to determine the impact of SFN on QOL and examine possible determinants. METHODS: We examined a total of 265 patients diagnosed with SFN. The SFN Symptoms Inventory Questionnaire (SFN-SIQ), the pain Visual Analog Scale (VAS), and the generic SF-36 Health Survey were assessed. Regression studies were undertaken to evaluate determinants of functioning. RESULTS: SFN patients demonstrated a severe overall reduction in QOL. The biggest deficits were in Role Functioning-Physical, Body Pain, and Physical Component Summary (PCS) scores. VAS scores, changed sweating pattern, dry mouth, and age were the strongest predictors for PCS, explaining 32% of the QOL decrease. CONCLUSIONS: SFN leads to a reduction in overall QOL. The presence of pain and some autonomic symptoms explained only a small portion of the findings.
INTRODUCTION: The impact of small-fiber neuropathy (SFN) on patients' quality of life (QOL) has not been studied extensively. Our aim was to determine the impact of SFN on QOL and examine possible determinants. METHODS: We examined a total of 265 patients diagnosed with SFN. The SFN Symptoms Inventory Questionnaire (SFN-SIQ), the pain Visual Analog Scale (VAS), and the generic SF-36 Health Survey were assessed. Regression studies were undertaken to evaluate determinants of functioning. RESULTS:SFNpatients demonstrated a severe overall reduction in QOL. The biggest deficits were in Role Functioning-Physical, Body Pain, and Physical Component Summary (PCS) scores. VAS scores, changed sweating pattern, dry mouth, and age were the strongest predictors for PCS, explaining 32% of the QOL decrease. CONCLUSIONS:SFN leads to a reduction in overall QOL. The presence of pain and some autonomic symptoms explained only a small portion of the findings.
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