Living with Sjögren's syndrome is hard enough, but for many, the condition reaches far beyond dry eyes and mouth. It can attack the peripheral nervous system, causing nerve damage that affects how you move and feel.
A study of 92 patients at Shandong Provincial Hospital found that about 27% of people with primary Sjögren's syndrome showed signs of nerve involvement. Within that group, 14% specifically had sensorimotor neuropathy, which is a type of nerve injury that affects both sensation and muscle movement.
The researchers noticed some interesting differences in these patients. Those with sensorimotor neuropathy often had higher white blood cell and neutrophil counts, which are markers of inflammation. Interestingly, they also showed lower rates of certain common antibodies, like SSA and SSB, compared to those without this specific type of nerve damage.
While these findings help paint a clearer picture of how the disease affects nerves, there are limits to what we know. This was a small, retrospective study from a single hospital. Because the data is based on looking backward at existing records, we need larger, prospective studies to confirm these patterns and understand exactly what they mean for patient care.