Academic literature on the topic 'Elektroneurografia'
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Journal articles on the topic "Elektroneurografia"
Rösl, J., and W. Schulte-Mattler. "Elektroneurografie." Nervenheilkunde 31, no. 05 (2012): 336–40. http://dx.doi.org/10.1055/s-0038-1628170.
Full textBischoff, C., and W. Schulte-Mattler. "Neues aus der Elektroneurografie." Klinische Neurophysiologie 38, no. 02 (July 23, 2007): 117–21. http://dx.doi.org/10.1055/s-2007-977725.
Full textSchulte-Mattler, Wilhelm, and Christian Bischoff. "Neurografie." Klinische Neurophysiologie 50, no. 03 (August 5, 2019): 141–42. http://dx.doi.org/10.1055/a-0918-4610.
Full textBroser, Philip J., and Jürg Lütschg. "Elektroneurografische und elektromyografische Diagnostik in der Neuropädiatrie." Klinische Neurophysiologie 51, no. 02 (September 9, 2019): 73–81. http://dx.doi.org/10.1055/a-0993-6459.
Full textSchlotter-Weigel, Beate, and Jan Senderek. "Immunvermittelte / inflammatorische und hereditäre Neuropathien – Übersicht und diagnostischer Algorithmus." Fortschritte der Neurologie · Psychiatrie 86, no. 09 (September 2018): 566–74. http://dx.doi.org/10.1055/a-0655-7659.
Full textHansel, Anna, Johannes Dorst, Angela Rosenbohm, Annemarie Hübers, and Albert Ludolph. "ALS-Mimics." Aktuelle Neurologie 45, no. 06 (April 5, 2018): 457–70. http://dx.doi.org/10.1055/s-0043-119976.
Full textPfalzer, S., and A. Wenisch. "Diagnostik des Karpaltunnelsyndroms: Sonografie versus Elektroneurografie." Physikalische Medizin, Rehabilitationsmedizin, Kurortmedizin 24, no. 05 (October 22, 2014). http://dx.doi.org/10.1055/s-0034-1389658.
Full text"EMG NLG Elektromyografie – Elektroneurografie RRN-Referenz-Reihe Neurologie." Klinische Neurophysiologie 50, no. 01 (March 2019): 48. http://dx.doi.org/10.1055/a-0801-0379.
Full textFrueh, Florian Samuel, Raffael Labèr, Andreas Schiller, Marco Guidi, Inga Swantje Besmens, Maurizio Calcagni, and Pietro Giovanoli. "Die intraoperative Faszikel-topografische Elektromyografie in der peripheren Nervenchirurgie – Übersichtsarbeit und Fallbeispiele." Handchirurgie · Mikrochirurgie · Plastische Chirurgie, September 23, 2021. http://dx.doi.org/10.1055/a-1492-2802.
Full textBorchert, A., G. Kurlemann, P. Young, and M. Schilling. "Sonografie peripherer Nerven bei gesunden Kindern und jungen Erwachsenen: Erhebung von Referenzwerten und altersgruppenabhängiger Vergleich mit der Elektroneurografie." Aktuelle Neurologie 36, S 02 (September 2009). http://dx.doi.org/10.1055/s-0029-1238807.
Full textDissertations / Theses on the topic "Elektroneurografia"
Andersson, Louise. "Hur påverkar fysisk aktivitet resultaten vid en elektroneurografisk undersökning: en litteraturstudie." Thesis, Hälsohögskolan, Jönköping University, HHJ. Biomedicinsk plattform, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-48776.
Full textBackground: Electroneurographic studies are performed by a biomedical scientist. Electroneurography uses electricity to examine peripheral nerves. Research in this area is limited. Studies indicate that physical activity can affect the results of electroneurographic studies. However, today no protocol exists to register the amount of physical activity performed by patients. Aim: The aim of the study was to investigate how physical activity affects electroneurographic measurements, immediately after physical activity and after a period of regular physical activity. Method: Keywords in the area were determined based on the purpose. Databases used were Medline and CINAHL. Inclusion criteria were articles written in English that contained physical activity and electroneurography. Exclusion criteria were studies of participants with diseases which could affect the nerves. Results: The results show that physical activity can produce significant differences, immediately after physical activity and following a prolonged period of regular physical activity. However, the changes are small and cannot be misinterpreted as pathological. Discussion: The results of the studies are vastly different, indicating that the form and amount of physical activity may have significance. Conclusion: The result shows that physical activity affects the study. Suggestions for further research are to examine how participants with known nerve diseases are affected.
Lundström, Malin. "Normalvärden och F-waves vid registrering på tibialis anterior vid undersökning av peroneus communis med elektroneurografi." Thesis, Högskolan Kristianstad, Fakulteten för naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-19057.
Full textElectroneurography is used to examine a suspected entrapmentneuropathy in peroneus communis (PC), where an electric stimulus enables the evaluation of nerve conduction velocity, muscle response amplitude and latency. If registration from the extensor digitorum brevis (EDB) provides unreliable results, the registration can be made from tibialis anterior (TA). Currently there are no normal values available in our laboratory and no standard method regarding the registration on TA. The purpose of this study was therefore to retrieve normal values for this registration and to develop and establish a method, and also compare the different registration sites, to examine the side differences from the registrations on TA, and how the height affected the latency. It was also examined if so called F-waves could be recorded from TA, and if so, determine the response rate and latency. 22 participants between 23-59 years an 154-190 cm were examined. TA was examined with the active registration electrode on the site where the muscle was the largest and the reference electrode on the ankle. Stimulations were made on lateral poplitea fossa and 110 mm lower on distal caput fibula. EDB were examined according to established methods. Normal values for the registration on TA were 2,2-5,4 mV regarding amplitude, 55-73 m/s regarding nerve conduction velocity and 3,8-5,9 ms regarding latency. Side differences were 0-1,4 mV regarding amplitude, 0-8 m/s regarding nerve conduction velocity and 0-0,8 ms regarding latency. The calculated limits show that it only takes small side differences to have a clinical significance. The method gave equivalent results to previous studies. 23 % of the latency could be explained by height. The comparing of the nerve conduction velocity from the different registrations showed a significant statistical, but not necessarily clinical, difference, with the bias 5 m/s. F-waves were retrieved from all participants with a response rate of 94-100 %. 41 % of the F-wave latency could be explained by height.
Amir, Al Timimi. "Elektroneurografi - analys av distala latenstider vid registrering över musculus lumbricalis II och musculus interosseus dorsalis II." Thesis, Örebro universitet, Institutionen för hälsovetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-51315.
Full textLundmark, Caroline. "Referensvärden för sensorisk nervledningshastighet : Med avseende på mätning på amplitudtoppen." Thesis, Umeå universitet, Biomedicinsk laboratorievetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-103761.
Full textAlbildawi, Hedil. "Armpositionens påverkan på amplituden vid motorisk elektroneurografi på ulnarisnerven : En jämförelsestudie mellan två metoder för bestämning av amplituden." Thesis, Örebro universitet, Institutionen för hälsovetenskaper, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-84603.
Full textIntroduction: Electroneurography (ENoG) is a neurophysiological test used to identify various peripheral nerve damages such as demyelination, conduction blockage and axonal degeneration. It´s known that latency and nerve conduction velocities can be affected by different arm positions, but what about the amplitudes? The purpose of the study is to examine if the amplitudes differ at resting arm position and with the arm raised at 90°. Method: Data was collected from 33 voluntary test subjects to compare two different methods to study the ulnar nerve. The nerve was stimulated distally at the wrist and proximally at sulcus ulnaris with registration at musculus abductor digiti minimi in resting arm and with the arm raised at 90°. Statistical calculations were made to identify differences in amplitude and stimulation strength. Results: There was a significant difference in amplitude when the test was performed with resting arm compared to when the arm was raised at 90°. Mean amplitudes increased on average by one millivolt. There was a significant difference in stimulation strength in distal stimulation but not in proximal stimulation. The majority of the test subjects preferred to be tested with resting arm position. The age turned out to have a negative correlation to the amplitudes. Discussion: It´s unclear why the amplitudes increased at 90° arm position. It could be that the muscles in the forearm becomes less tense. Conclusions: There was a significant difference in amplitude when the arm was raised 90°. It should be noted in which arm position the patient is tested.
Wahab, Farshid, and Fadil Al-Kasid. "Undersökning av sensorisk nervledningshastighet, amplitud och latens för nervus suralis hos friska försökspersoner." Thesis, Hälsohögskolan, Jönköping University, HHJ, Avd. för naturvetenskap och biomedicin, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-49270.
Full textLernman, Julia. "Perifer nervpåverkan av måttlig fysisk aktivitet : En studie om huruvida fysisk aktivitet har någon påverkan på de perifera nervernas funktion, mätt med elektroneurografi." Thesis, Örebro universitet, Institutionen för hälsovetenskaper, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-92990.
Full textIntroduction: Electroneurography is used to assess nerve function and detect pathological changes in the peripheral nerve system. The method is sensitive to interference and measurements can be affected by temperature of the skin and underlying tissue, because heat increases nerve conduction velocity of the peripheral nerves. It has been concluded that physical activity have a positive effect on health and involves many of the body´s organsystems. One of these effects is an increase in metabolism in skeletal muscles, which generates heat. Purpose: The purpose is to examine the peripheral nerves in a lower extremity in a group of neurologically healthy individuals without diagnosed diabetes with electroneurography, to determine if physical activity has any effect on the peripheral nerve function. Method and material: Three peripheral nerves in the individuals (n=18) dominant leg; nervus (n) suralis, n. peroneus and n. tibialis, were examined with electroneurography before and after moderate physical activity. N. suralis were examined for sensory function and n. peroneus and n. tibialis were examined for motor function and F-response. Skin temperature and body temperature were measured before every registration and the individuals assessed their degree of physical effort. Results: Significant diffrence between the registrations could be seen in the latency and conduction velocity for n. suralis, in the distal amplitude, proximal latency and conduction velocity for n. peroneus, in the proximal latency for n. tibialis and the F-M-latency for n. peroneus and n. tibialis. Conclusion: A positive effect can be seen on some variables, probably because of temperature diffrences between the registrations. However a larger test group could potentially yield more distinct results.
Hussein, Najmo Mohamed. "Sensorisk elektroneurografi på nervus medianus vid två olika stimuleringspunkter : En jämförelse av hur amplitud och duration skiljer mellan distal och proximal stimuleringspunkt vid antidrom sensorisk neurografi." Thesis, Örebro universitet, Institutionen för hälsovetenskaper, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-92916.
Full textElectroneurography is a basic non-invasive method that is used daily in clinical practice to diagnose various peripheral nerve diseases. The method reflects the functional status of the myelinated motor and sensory axons. In sensory neurography, sensory nerve action potential (SNAP) is measured, which is the sum of all action potentials generated by individual myelinated axons. During the examination, various variables are obtained that are important for diagnostics, such as amplitude, duration, latency time and conduction velocity. The aim of this study was to investigate whether there is a difference in amplitude and duration of sensory nerve action potential in antidrome sensory stimulation of the median nerve at two different stimulation sites. The median nerve was stimulated electrically distally and proximally in 18 healthy subjects with a skin temperature of at least 32 ° C. Antidrome sensory stimulation of the median nerve at two different stimulation sites showed that there was a significant difference in amplitude and duration between distal and proximal stimulation sites. The reproducibility of the method was shown to be high.
Schultzberg, Martin. "Kartläggning av kroppslängdens och handstorlekens inverkan på latenstiden vid distal motorisk elektroneurografi av n. medianus samt n. ulnaris med registrering över m. lumbricales II samt m. interosseous volaris I." Thesis, Örebro universitet, Institutionen för hälsovetenskaper, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-84616.
Full textCarpal tunnel syndrome is the most common type of entrapment neuropathy. The symptom arises as a result of the n. medianus being compressed in the carpal tunnel, a narrow channel that runs through the wrist. The compression can cause symptoms in the forms of numbness, loss of sensation, pain and in worse cases muscle atrophies due to demyelination and axonal degeneration. Electroneurography is a method used to facilitate the diagnosis of carpaltunnelsyndrome. In severe cases for example, when standardized neurography examinations for n. medianus show unclear or missing answers, it is possible to perform a specialized examination for n. medianus and n. ulnaris with registration over m. lumbricales II and m. interosseous volaris I to increase sensitivity in diagnosis. The purpose of this study was to assess whether there is a significant relationship between body length, hand size and distal motor latency in distal stimulation over n. medianus and n. ulnaris with registration of m. lumbricales II and m. interossei volaris I. 31 healthy subjects was recruited for this study. Prior to the study, each test subject was required to fill out a consent form in which the person in question gave his or her written consent while also answering questions about health-related factors that may influence the results of the study. Simple regressionanalyzes for left- and right n. medianus and for n. ulnaris bilaterally showed a positive significant relationship between body length, hand size and distal motor latency. Multiple regressionanalyzes showed a positive significant relationship when both hand size and body length were included in relation to distal motor latency.
Svang, Maja. "Jämförelse av motorisk och sensorisk nervledningshastighet, amplitud och handgreppsstyrka mellan dominant och icke-dominant hand." Thesis, Örebro universitet, Institutionen för hälsovetenskaper, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-92901.
Full textElectroneurography is an examination method used for examining the nerve conduction capacity of the peripheral nerve. The method is often used in hospitals in the diagnosis of peripheral nerve injuries. The aim of this study is to examine if there is a significant difference in motor and sensory nerve conduction velocity, amplitude, and F-response between dominant and non-dominant hands. The correlation between hand grip strength and the amplitude in motor electroneurography was also examined in this study. The study involved 26 students from Biomedical Scientist Programme term 6. The average age of the participants is 24 years (range 21-32 years), and the participants body length is on average 169 cm (range 155-185 cm). Electroneurography was performed on the median nerve bilaterally. Hand grip strength was examined bilaterally with Jamar Hydraulic Hand dynamometer. For all measurement variables, the significant level was determined to α=0,05. The result shows that there is a significant difference in sensory nerve conduction velocity, motor amplitude, and sensory amplitude between dominant and non-dominant hands. Sensory nerve conduction velocity is higher in non-dominant hand, while motor and sensory amplitude is higher in dominant hand. However, a significant difference cannot be detected in motor nerve conduction velocity, FM-latency, and the number of F-responses between dominant and non-dominant hands. The result shows no correlation between hand grip strength and the amplitude in motor electroneurography. Today, the same reference values are used for dominant and non-dominant hands. This study shows that there may be a value in creating reference intervals based on hand dominance.
Book chapters on the topic "Elektroneurografia"
"4.1 Elektroneurografie." In Checkliste Neurologie, edited by Holger Grehl and Frank Reinhardt. Stuttgart: Georg Thieme Verlag, 2013. http://dx.doi.org/10.1055/b-0033-1935.
Full text"3.2 Elektromyografie/Elektroneurografie." In Neurologie compact, edited by Andreas Hufschmidt, Carl Hermann Lücking, Sebastian Rauer, and Franz Xaver Glocker. Stuttgart: Georg Thieme Verlag, 2017. http://dx.doi.org/10.1055/b-0038-164929.
Full text"3.2 Elektromyografie/Elektroneurografie." In Neurologie compact, edited by Andreas Hufschmidt, Carl Hermann Lücking, and Sebastian Rauer. Stuttgart: Georg Thieme Verlag, 2013. http://dx.doi.org/10.1055/b-0034-66233.
Full text"3 Elektroneurografie (ENG), Reflexuntersuchungen, Myastheniediagnostik." In Kursbuch Klinische Neurophysiologie, edited by Peter Vogel and Ilia Aroyo. Stuttgart: Georg Thieme Verlag, 2018. http://dx.doi.org/10.1055/b-0037-148803.
Full text"3 Elektroneurografie (ENG), Reflexuntersuchungen, Myastheniediagnostik (II)." In Kursbuch Klinische Neurophysiologie, edited by Peter Vogel and Ilia Aroyo. Stuttgart: Georg Thieme Verlag, 2018. http://dx.doi.org/10.1055/b-0037-148804.
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