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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Orthop+Res
2015 ; 33
(9
): 1332-40
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Multidimensional ultrasound imaging of the wrist: Changes of shape and
displacement of the median nerve and tendons in carpal tunnel syndrome
#MMPMID25865180
Filius A
; Scheltens M
; Bosch HG
; van Doorn PA
; Stam HJ
; Hovius SE
; Amadio PC
; Selles RW
J Orthop Res
2015[Sep]; 33
(9
): 1332-40
PMID25865180
show ga
Dynamics of structures within the carpal tunnel may alter in carpal tunnel
syndrome (CTS) due to fibrotic changes and increased carpal tunnel pressure.
Ultrasound can visualize these potential changes, making ultrasound potentially
an accurate diagnostic tool. To study this, we imaged the carpal tunnel of 113
patients and 42 controls. CTS severity was classified according to validated
clinical and nerve conduction study (NCS) classifications. Transversal and
longitudinal displacement and shape (changes) were calculated for the median
nerve, tendons and surrounding tissue. To predict diagnostic value binary
logistic regression modeling was applied. Reduced longitudinal nerve displacement
(p??0.019), increased nerve cross-sectional area (p??0.006) and perimeter
(p??0.007), and a trend of relatively changed tendon displacements were seen in
patients. Changes were more convincing when CTS was classified as more severe.
Binary logistic modeling to diagnose CTS using ultrasound showed a sensitivity of
70-71% and specificity of 80-84%. In conclusion, CTS patients have altered
dynamics of structures within the carpal tunnel.