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10.1007/s10633-019-09733-3 http://scihub22266oqcxt.onion/10.1007/s10633-019-09733-3 31686287!7205847!31686287     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Doc+Ophthalmol 2020 ; 140 (3): 201-209 Nephropedia Template TP {{tp|p=31686287|t=2020. Effects of DTL electrode position on the amplitude and implicit time of the electroretinogram |pdf=|usr=}}{{31686287}} gab.com Text Effects of DTL electrode position on the amplitude and implicit time of the electroretinogram JO: Doc Ophthalmol http://www.kidney.de/pget.php?&tw=1&pmid=31686287 #FOAvip PURPOSE: This study sought to investigate whether there is an optimal position of the Dawson, Trick, and Litzkow (DTL) electrodes when measuring the full-field electroretinogram (ERG) for monitoring purposes. METHODS: In 200 uveitis patients, an extended light-adapted (LA) ERG protocol was measured twice, incorporating the International Society for Clinical Electrophysiology of Vision standards. First, a LA ERG was measured with the DTL in the lower lid position (LLP) and thereafter in the fornix position. Differences in amplitudes and implicit times of a-waves, b-waves, and the 30 Hz peak were investigated. Intraclass correlation coefficients (ICCs) as well as coefficients of variation (CoV) were calculated, to assess both reliability and relative variability between the two DTL positions. RESULTS: Implicit times showed no statistically significant differences between the two DTL positions. As expected, amplitudes at the different stimulus strengths were 1.12-1.19 higher in the LLP, but there were no significant differences in the CoV between the two DTL positions. The ICC was high for the b-wave and 30 Hz flicker response (0.842-0.979), but lower for the a-wave, especially for amplitudes (0.584-0.716). CONCLUSIONS: For monitoring purposes in patients, we conclude that based on relative variability, no position is preferable above the other. However, because in most diseases amplitudes are decreased, the LLP may be chosen because it yields higher amplitudes. Whatever the choice, it is important to ensure that the DTL position remains stable during an ERG recording. Twit Text FOAVip Effects of DTL electrode position on the amplitude and implicit time of the electroretinogram ????Doc Ophthalmol http://www.kidney.de/pget.php?&tw=1&pmid=31686287 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=31686287 #FOAvip English Wikipedia <ref>{{Cite pmid|31686287}}</ref> Effects of DTL electrode position on the amplitude and implicit time of the electroretinogram #MMPMID31686287 Brouwer AH; de Wit GC; de Boer JH; van Genderen MM Doc Ophthalmol 2020[Jun]; 140 (3): 201-209 PMID31686287show ga PURPOSE: This study sought to investigate whether there is an optimal position of the Dawson, Trick, and Litzkow (DTL) electrodes when measuring the full-field electroretinogram (ERG) for monitoring purposes. METHODS: In 200 uveitis patients, an extended light-adapted (LA) ERG protocol was measured twice, incorporating the International Society for Clinical Electrophysiology of Vision standards. First, a LA ERG was measured with the DTL in the lower lid position (LLP) and thereafter in the fornix position. Differences in amplitudes and implicit times of a-waves, b-waves, and the 30 Hz peak were investigated. Intraclass correlation coefficients (ICCs) as well as coefficients of variation (CoV) were calculated, to assess both reliability and relative variability between the two DTL positions. RESULTS: Implicit times showed no statistically significant differences between the two DTL positions. As expected, amplitudes at the different stimulus strengths were 1.12-1.19 higher in the LLP, but there were no significant differences in the CoV between the two DTL positions. The ICC was high for the b-wave and 30 Hz flicker response (0.842-0.979), but lower for the a-wave, especially for amplitudes (0.584-0.716). CONCLUSIONS: For monitoring purposes in patients, we conclude that based on relative variability, no position is preferable above the other. However, because in most diseases amplitudes are decreased, the LLP may be chosen because it yields higher amplitudes. Whatever the choice, it is important to ensure that the DTL position remains stable during an ERG recording. |*Electrodes[MESH] |Adult[MESH] |Algorithms[MESH] |Electroretinography/*instrumentation[MESH] |Female[MESH] |Humans[MESH] |Male[MESH] |Middle Aged[MESH] |Monitoring, Physiologic[MESH] |Photic Stimulation/methods[MESH] |Reproducibility of Results[MESH] |Retina/*physiology[MESH]Effects of DTL electrode position on the amplitude and implicit time o(epmc).pdf DeepDyve Pubget Overpricing