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No To Shinkei. 1997 Aug;49(8):713-22.

[Destructive spondyloarthropathy of the cervical spine in hemodialyzed patients].

[Article in Japanese]

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Department of Neurology, Chiba University School of Medicine, Japan.


To assess the prevalences and neurological symptoms of destructive spondyloarthropathy (DSA) and other cervical spinal diseases in long-term hemodialysis, a questionnaire survey of the medical histories and subjective sensory-motor symptoms was taken on 191 patients undergoing dialysis for 0.2-23 years (mean 8.6 +/- 6.3) with a mean age of 56.6 +/- 11.8 years (range 23-86). Furthermore, plain radiographic examinations of the cervical spine were carried out in 90% of the patients, and neurologic examinations were also performed on 29 patients. DSA was diagnosed in 18 cases (10%): moderate narrowing of the intervertebral space (NIS-I) in 8, severe narrowing (NIS-II) in 18, ossification of posterior longitudinal ligaments (OPLL) in 6, cervical spondylosis (CS) in 12 and other abnormalities in 6; 104 cases were normal. NIS-I was considered to reflect an early stage of DSA. The age of patients with DSA (mean 61.5 +/- 10.2 years), as well as with CS, was significantly higher than the normal group (52.2 +/- 10.6; p < 0.001), but younger than CS (68.5 +/- 10.0). The duration of dialysis in DSA patients (mean 12.1 +/- 6.0 years) was the longest and significantly longer than normal (7.7 +/- 6.5; p < 0.01) and (:S patients (3.8 +/- 3.0; p < 0.001). Through comparative evaluations of prior histories of the diseases, such as diabetes mellitus, carpal tunnel syndrome, amyloid osteoarthropathy (AOA) and parathyroidectomy, along with large calcification of the nuchal soft tissues on plain films, it was found that DSA, in conjunction with NIS-I, correlated with only AOA (p < 0.05). Subjective sensory symptoms, which consisted chiefly of arthralgic type followed by polyneuritic type, were noted in 60% of all patients and 56% of DSA patients. No significant differences were evident between any two particular groups. The score of subjective motor symptoms of the lower extremities in 5 patients with myelopathy was significantly higher than that in 5 other patients without neurological disorders (p < 0.05). Thirty-eight percent of DSA patients showed myelopathy; the frequency was higher than those of previous similar studies (0 = 5%). In conclusion, this study demonstrated that 1) DSA occurred in 10% of dialysis patients, which was also evident in previous reports (9 = 10%); this prevalence was higher than those of CS or OPLL, 2) DSA correlated with the duration of dialysis and AOA, 3) subjective motor symptoms of the lower extremities could indicate presence of myelopathy whereas subjective sensory symptoms contributed little to differential diagnosis, and 4) a careful neurologic examination can more frequently disclose myelopathy in patients with DSA than so far believed.

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