CCCT is the most direct indicator of corticospinal tract conduction, whereas L1-level latency reflects whole peripheral motor conduction. Central motor conduction was found to be relatively less affected by aging compared with peripheral motor conduction.
This report describes the case of a 71-year-old woman with a limited form of neuromyelitis optica (NMO) who had a longitudinally extensive spinal cord lesion from the fourth to the tenth thoracic vertebrae. Up to age 75, she had four subsequent recurrences of the myelitis within the same spinal cord area but with no optic neuritis. Anti-AQP4 antibody was seropositive. Recurrence within the same spinal cord area might be a characteristic clinical finding in NMO spectrum disorders. For such patients, examination for anti-AQP4 antibody might be necessary for the diagnosis and therapy of this disorder.
The aim of this paper is to investigate cortical excitability in patients with end-stage renal disease receiving peritoneal dialysis (PD) without any symptoms suggestive of uremic encephalopathy. We performed transcranial magnetic stimulation for 52 PD patients and 28 normal subjects. We compared the active motor threshold (AMT), resting motor threshold (RMT), root latency, central motor conduction time (CMCT), and cortical silent period (CSP) in PD patients to those in normal subjects. AMT, RMT, CMCT, and CSP were not significantly different between PD patients and normal subjects. However, root latency was significantly prolonged in PD patients compared to normal subjects. The root latency correlated linearly with HbA1c or duration of PD in the patients. The results suggest that the corticospinal tract and the cortical and spinal excitabilities are preserved but the peripheral nerves are disturbed in PD patients. The severity of peripheral neuropathy corresponds to the severity of DM and the duration of PD. We uncovered no evidence suggestive of any subclinical abnormality of the motor cortical excitability in PD patients.
Baseline characteristics were similar between the two groups. The mean CD34+ yield for the CDEA+G group was 30.95 x10 6 cells/kg (range, 14.32-67.29) compared with 22.39 x10 6 cells/ kg (range, 4.83-42.93) in the G+P group. 84 (94%) CDEA+G patients achieved the collection goal compared to 42 (68%) G+P patients (P<0.0001). Patients in the CDEA+G group required an average of 1.6 apheresis sessions to reach the target while patients in the G+P group required an average of 3 sessions (P<0.0001). Our data suggest that CDEA+G mobilizes stem cells significantly more effectively than G+P.
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