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2015 ; 15
(61
): 151-63
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Assessment of the utility of ultrasonography with high-frequency transducers in
the diagnosis of postoperative neuropathies
#MMPMID26674960
Kowalska B
J Ultrason
2015[Jun]; 15
(61
): 151-63
PMID26674960
show ga
The primary aim of this paper was to assess the relevance of high-frequency
ultrasound examination in qualifying patients for either surgical or conservative
treatment of postoperative peripheral neuropathies. The study was conducted in a
group of 71 patients who in 2009-2011 were referred to ultrasound examinations
due to a clinical suspicion of peripheral neuropathies. For the purposes of this
analysis, the suspected postoperative neuropathies were divided into three
groups: after surgical treatment of the median nerve (1), after surgical
treatment of the ulnar nerve (2) and other postoperative neuropathies (3). All
patients underwent the interview, physical examination and ultrasound
examination. The ultrasound examinations were performed with Esaote MyLab 50 and
MyLab 60 systems. Based on the clinical and US examinations, the patients were
qualified for either surgical (51 cases) or conservative treatment (20 cases). An
EMG examination was also performed in certain patients (60 cases). Mean values of
cross-sectional areas and diameters of the nerve trunks were calculated in
individual pathology groups. The ultrasound features of the peripheral nerves
analyzed in the study, such as echostructure, notch sign, hyperemia and
continuity of the transverse ligament, were divided into subgroups. Moreover, the
frequency of adhesions between the nerve trunks and adjacent tissues, occurrence
of pain on compression with a transducer and instability of the ulnar nerve as
well as angulation of the posterior interosseous nerve in a dynamic examination
was calculated. The analyses of the collected material were performed by means of
descriptive statistics. The results of clinical and surgical verification were
consistent with ultrasound findings in 100% of cases. The results indicate that
high-frequency ultrasonography is a valuable method in qualifying patients for
various types of treatment of peripheral postoperative neuropathies.