MNCVMotor Nerve Conduction Velocity
MNCVMixed Nerve Conduction Velocity (neurology)
MNCVMaximum Nerve Conduction Velocity
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Using a Baycsian analysis, Logigian et al (23) determined how electrodiagnostic cutoffs (eg, across-elbow MNCV slowing and drop in across-elbow versus forearm MNCV) assist in assessing patients with ulnar nerve at the elbow neuropathy.
MILD (myelin only) Sensory--<50 m/sec SNCV AE-BE or >10 m/sec SNCV AE-BE difference when compared to BE-W, SNCV (AE- BE SNCV >50 m/sec) >40% decrease in SNAP amplitude AE/BE; Motor--<50 m/sec MNCV AE-BE or >10 m/sec MNCV AE-BE difference when compared to BE-W MNCV (AE- BE MNCV >50 m/sec) >20% decrease in CMAP amplitude AE/BE; Sensory and Motor--abnormal findings as listed above for both motor and sensory fibers.
The MNCV was delayed in SCD patients with neuropathy versus the normal laboratory value and SCD patients without neuropathy.
69 Table 3: Showing Mean MNCV m/sec Mean MNCV m/sec A(n=25) B(n=10) Median N 57.
Sensory and Motor nerve abnormalities assessed using SNCV and MNCV Level of Sensory conduction Group A (n = 41) Group B (n = 57) Normal 109(33%) 96 (21%) Abnormal 75 82 No conduction 144 278 Total 328 456 Level of Motor conduction Group A (n = 41) Group B (n = 57) Normal 104(32%) 123(27%) Abnormal 194 283 No conduction 30 50 Total 328 456 Table 3.
The CMAP amplitudes were reduced, and MNCV were slowed for median, ulnar, and posterior tibial nerves in patients with IDA but not statistically significant.
In our study, in the ulnar, median, and posterior tibial nerves, the amplitude of CMAP and MNCV was significantly decreased, and DL was significantly prolonged as the severity of anemia increases (P < 0.
Assessments using SNCV and MNCV were done in 365 patients, of which 336 (92%) showed abnormal nerve function of one or more parameters in the nerves tested.
Overall, of the 2920 sensory and motor nerves examined using SNCV and MNCV, 1532 (52%) and 1078 (37%) respectively showed impairment (Table 10).
MNCV was calculated by measuring the distance in millimeter between two points of stimulation, which is divided by the latency difference in millisecond.
We are hopeful of meeting our MNCV connections targets within record time, reaching a total of more than 200 energy meters.
However, the increase in DML and FWML was very highly significant and level of significance for decrease in CMAP and MNCV less.