Tingling/numbness in the hands of computer users: neurophysiological findings from the NUDATA study

Overgaard, Erik; Brandt, Lars; Ellemann, Karsten; Mikkelsen, Sigurd; Andersen, Jacob Buus

doi:10.1007/s00420-004-0545-y

Cited by 8 publications

(11 citation statements)

References 19 publications

(16 reference statements)

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“…Also, other ULMSD as a latent carpal tunnel syndrome cannot be completely excluded. However, a poor correlation between the disorders connected to different types of nerve fibres was also described previously (41). Moreover, Campero et al (42) demonstrated that the sensory and sympathetic fibres do not always course together with the nerve trunks.…”

Section: Limitationsmentioning

confidence: 77%

Are the infrared thermography findings skin temperature‐dependent? a study on neck pain patients

Zaproudina

Airaksinen

Närhi

2012

Skin Research and Technology

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Section: Limitationsmentioning

confidence: 77%

Are the infrared thermography findings skin temperature‐dependent? a study on neck pain patients

Zaproudina

Airaksinen

Närhi

2012

Skin Research and Technology

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“…Similar methods were used in a Danish study and similar results were observed [ 24 ]. Finally, another Danish study studied vibration thresholds in computer users but with a focus on symptoms and not levels of computer use [ 22 ].…”

Section: Resultsmentioning

confidence: 99%

Carpal tunnel syndrome and the use of computer mouse and keyboard: A systematic review

Thomsen

Gerr

Atroshi

2008

BMC Musculoskelet Disord

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“…Cross-sectional data suggest that psychosocial factors or somatization may explain non-specific arm pain in workers [ 3 ] and such mechanisms have also been proposed for computer operators [ 14 ]. Currently, there is no indication that a reduced threshold to the perception of pain is responsible [ 15 ].…”

Section: Discussionmentioning

confidence: 99%

A cross-sectional study of the relation between symptoms and physical findings in computer operators

Jepsen

Thomsen

2006

BMC Neurol

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BackgroundThe character of upper limb disorder in computer operators is subject to debate. A peripheral nerve-involvement is suggested from the common presence of a triad of symptoms consisting of pain, paraestesiae and subjective weakness, and from physical findings suggesting neuropathy. This study aimed to examine the outcome of a detailed neurological examination in computer operators and to compare findings with the presence of symptoms.Methods96 graphical computer operators answered a modified Nordic Questionnaire including information on perceived pain in the shoulder, elbow, and wrist/hand scored for each region on a VAS-scale 0 – 9. In addition, they underwent a physical examination including the subjective assessment of the individual function of 11 upper limb muscles, of algesia in five and vibratory threshold in three territories, respectively, and of mechanosensitivity of nerves at seven locations. In order to reflect an involvement of the brachial plexus (chord level), the posterior interosseous nerve and the median nerve at elbow level we defined three patterns of neurological findings illustrating the course of nerves and their innervation. The pain scores summarized for the three upper limb regions (min. = 0, max = 27) in the mouse-operating and contralateral limbs were compared by a Wilcoxon test and the relation to each physical item analyzed by Kendall's rank correlation. The relation of summarized pain to each pattern was studied by application of a test of the trend across ordered groups (patterns).ResultsPain, paraestesiae and subjective weakness was reported for 67, 23, and 7 mouse-operating limbs, respectively, with the summarized pain scores exceeding 4 in 33 limbs. Abnormal physical findings were prevalent. The summarized pain was significantly related to a reduced function in five muscles, to mechanical allodynia at one location and to elevated threshold to vibration in two territories. Brachial plexopathy was diagnosed in 9/2, median neuropathy in 13/5 and posterior interosseous neuropathy in 13/8 mouse operating/contralateral limbs, respectively. The summarized pain was significantly higher in the mouse-operating limbs and in limbs with any of the defined patterns. There was a significant trend between the summarized pain and the summarized scores for the items contained in each pattern.ConclusionThis small-scale study of a group of computer-operators currently in work and with no or minor upper limb symptoms has indicated in symptomatic subjects the presence of peripheral nerve-afflictions with specific locations.

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Tingling/numbness in the hands of computer users: neurophysiological findings from the NUDATA study

Abstract: The results indicate that tingling/numbness of the hands and fingers among computer users cannot be explained by nerve compression.

Cited by 8 publications

References 19 publications

Are the infrared thermography findings skin temperature‐dependent? a study on neck pain patients

Are the infrared thermography findings skin temperature‐dependent? a study on neck pain patients

Carpal tunnel syndrome and the use of computer mouse and keyboard: A systematic review

A cross-sectional study of the relation between symptoms and physical findings in computer operators

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