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Diagnostiek en behandeling van het carpale-tunnelsyndroom

Diagnostiek en behandeling van het carpale-tunnelsyndroom

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D i a g n o s t i e k e n b e h a n d e l i n g v a n h e t c a r p a l e - t u n n e l s y n d r o o m<br />

d i a g n o s t i e k<br />

• vergelijking <strong>van</strong> de s<strong>en</strong>sibele geleiding in n. medianus <strong>en</strong> n. ulnaris tuss<strong>en</strong> pols<br />

<strong>en</strong> ringvinger;<br />

• vergelijking <strong>van</strong> de s<strong>en</strong>sibele geleiding in de n. medianus over <strong>het</strong> traject polspalm<br />

<strong>en</strong> <strong>het</strong> traject palm-middelvinger;<br />

• voor deze tests is e<strong>en</strong> verschil in s<strong>en</strong>sibele lat<strong>en</strong>tietijd <strong>van</strong> meer dan 0,4 ms<br />

afwijk<strong>en</strong>d;<br />

• geadviseerd wordt om bij beide tests gebruik te mak<strong>en</strong> <strong>van</strong> de antidrome methode<br />

(registratie met ringelektrod<strong>en</strong> om de vingers).<br />

Bij marginale bevinding<strong>en</strong> wordt aanbevol<strong>en</strong> om aanvull<strong>en</strong>d twee andere s<strong>en</strong>sitieve<br />

geleidingstests te do<strong>en</strong> <strong>en</strong> de geleiding <strong>van</strong> de n. medianus aan de pols als gestoord<br />

aan te merk<strong>en</strong> wanneer <strong>het</strong> resultaat <strong>van</strong> t<strong>en</strong> minste twee <strong>van</strong> de drie tests afwijk<strong>en</strong>d<br />

is of wanneer de ‘combined s<strong>en</strong>sory index’ (CSI) e<strong>en</strong> verhoogde waarde laat zi<strong>en</strong>. De<br />

combinatie <strong>van</strong> s<strong>en</strong>sitiviteit <strong>en</strong> specificiteit lijkt optimaal te zijn bij e<strong>en</strong> CSI > 1,1 ms.<br />

De diagnostische waarde <strong>van</strong> de CSI is uitsluit<strong>en</strong>d onderzocht voor de combinatie<br />

<strong>van</strong> drie met name g<strong>en</strong>oemde geleidingstests.<br />

- Scelsa SN, Herskovitz S, Bieri P, Berger AR, et al. Median mixed and s<strong>en</strong>sory nerve conduction studies in carpal<br />

tunnel syndrome. Electro<strong>en</strong>cephalogr Clin Neurophysiol 1998;109:268-73.<br />

- Spaans F, Dijk JG <strong>van</strong>. Cons<strong>en</strong>sus EMG bij compressi<strong>en</strong>europathieën. Deel I. Neurofysiologische diagnostiek <strong>van</strong><br />

<strong>het</strong> <strong>carpale</strong> tunnel syndroom. Gepubliceerd in 2000 op de website <strong>van</strong> de Nederlandse Ver<strong>en</strong>iging voor Klinische<br />

Neurofysiologie: www.nvknf.nl.<br />

- Szabo RM, Slater RR, Farver TB, et al. The value of diagnostic testing in carpal tunnel syndrome. J Hand Surg<br />

1999;24A:707-14.<br />

- Uncini A, Muzio A di, Awad J, Man<strong>en</strong>te G, Tafuro M, Gambi D. S<strong>en</strong>sitivity of three median-to-ulnar comparative<br />

tests in diagnosis of mild carpal tunnel syndrome. Muscle Nerve 1993;16:1366-73.<br />

Literatuur<br />

- Bland DPJ. Do nerve conduction studies predict the outcome of carpal tunnel decompression? Muscle Nerve<br />

2001;24:935-40.<br />

- Buschbacher RM. Mixed nerve conduction studies of the median and ulnar nerves. Am J Phys Med Rehabil 1999;78:<br />

S69-74.<br />

- Fins<strong>en</strong> V, Russwurm H. Neurophysiology not required before surgery for typical carpal tunnel syndrome. J Hand<br />

Surg 2001;26B:61-4.<br />

- Girlanda P, Quartarone A, Sinicropi S, et al. Electrophysiological studies in mild idiopathic carpal tunnel syndrome.<br />

Electro<strong>en</strong>ceph Clin Neurophysiol 1998;109:44-9.<br />

- Jablecki CK, Andary MT, Floeter MK, Miller RG, Quartly CA, V<strong>en</strong>nix MJ, et al. Second AAEM literature review of the<br />

usefulness of nerve conduction studies and needle electromyography for the evaluation of pati<strong>en</strong>ts with carpal<br />

tunnel syndrome [Elektronische publicatie]. Muscle Nerve 2002;26:S1-53.<br />

- Jackson DA, Clifford JC. Electrodiagnosis of mild carpal tunnel syndrome. Arch Phys Med Rehabil 1989;70:199-204.<br />

- Kaul MP, Pagel KJ, Dryd<strong>en</strong> JD. Wh<strong>en</strong> to use the combined s<strong>en</strong>sory index. Muscle Nerve 2001;24:1078-82.<br />

- Padua L, Monaco M lo, Val<strong>en</strong>te EM, Tonali PA, et al. A useful electrophysiologic parameter for diagnosis of carpal<br />

tunnel syndrome. Muscle Nerve 1996;19:48-53.<br />

- Robinson JR, Mickles<strong>en</strong> PJ, Wang L. Strategies for analyzing nerve conduction data: superiority of a summary index<br />

over single tests. Muscle Nerve 1998;21:1166-71.<br />

- Robinson JR, Mickles<strong>en</strong> PJ, Wang L. Optimizing the number of tests for carpal tunnel syndrome. Muscle Nerve<br />

2000;23:1880-2.<br />

- Ros<strong>en</strong>baum RB, Ochoa JL. Carpal tunnel syndrome and other disorders of the median nerve. 2 nd ed. Amsterdam:<br />

Butterworth Heinemann, 2002:161-2.<br />

- Sander HW, Quinto C, Saadeh PB, Chokroverty S, et al. Median and ulnar palm-wrist studies. Clin Neurophysiol<br />

110;1999:1462-5.<br />

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