Ultrasonographic evaluation of the carpal tunnel syndrome in hemodialysis patients.

医学 腕管综合征 血液透析 淀粉样变性 腕管 超声波 外科 内科学 放射科
作者
Naoki Ikegaya,A Hishida,Kei Sawada,Masato Furuhashi,Yukitaka Maruyama,Hozumi Kumagai,Setuo Kobayashi,Takuya Yamamoto,Kaoru Yamazaki
出处
期刊:PubMed 卷期号:44 (4): 231-7 被引量:11
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The carpal tunnel syndrome (CTS) is the most frequent clinical symptom of dialysis-related amyloidosis. We examined CTS by ultrasound imaging and correlation between CTS and bone amyloidosis was sought. One hundred and forty-two wrists of 71 hemodialysis (HD) patients and 28 of 14 normal volunteers (group 1) were studied. Patients on HD were divided into 4 groups based on HD duration: Group 2, less than 5 years; group 3, 5-10 years; group 4, 10-15 years; and group 5, more than 15 years. The frequency of CTS increased gradually with HD duration: 0% in group 2, 35.3% in group 3, 36.4% in group 4 and 74.1% in group 5. The thickness of the palmar radiocarpal ligament (PRL), corresponding to the posterior wall of the carpal tunnel was significantly greater in groups 4 (p < 0.05), and 5 (p < 0.05) than in group 1 (2.25 +/- 1.30 and 3.11 +/- 1.02 in group 4 and 5 vs 1.15 +/- 0.34 mm in group 1); and the width of the carpal tunnel (CT) was significantly larger in group 5 than in group 1 (6.92 +/- 1.78 in group 5 vs 5.53 +/- 1.48 mm in group 1, p < 0.05). Wrists operated on for CTS had significantly increased PRL and CT compared to the control group and patients without CTS. Patients with CTS had wider PRL than the control and HD patients without CTS. Cystic radiolucent lesions (CRL) of carpal bones characteristic of bone amyloidosis were noted in 15 of 71 HD patients. The thickness of PRL and width of CT in HD patients with CRL exceeded those in patients without CRL. These data indicated that ultrasonographic findings of wrists were closely correlated with the degree of CTS and CRL. The usefulness of ultrasonographic evaluation of PRL thickness and CT width in the evaluation of dialysis-related amyloidosis should be evaluated.

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