Cochrane · systematic review · CD010916

Transcranial direct current stimulation (tDCS) for idiopathic Parkinson's disease

Elsner, B, Kugler, J, Pohl, M, et al. · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library

Movement DisordersAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 7 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Transcranial direct current stimulation (tDCS) versus sham tDCS for patients with idiopathic Parkinson's disease

Population: Patients with idiopathic Parkinson's disease
7 questions
OutcomeEffectEvidenceStatus / GRADE
Impairment/ disability Unified Parkinson's Disease Rating Scale (UPDRS; change in global UPDRS score). Scale from: 0 to 199 (lower score means less impairment/disability)
Transcranial direct current stimulation (tDCS) vs sham tDCS
no estimate extracted2 studies · 45 participantsVery low
Downgraded: risk of bias, imprecision
Off time Self assessment (logfile) Scale from: 0 to 72 (lower score means less impairment/disability)
Transcranial direct current stimulation (tDCS) vs sham tDCS
no estimate extracted1 study · 25 participantsVery low
Downgraded: risk of bias, imprecision
On time with dyskinesia Self assessment (logfile) Scale from: 0 to 72 (lower score means less impairment/disability)
Transcranial direct current stimulation (tDCS) vs sham tDCS
no estimate extracted1 study · 25 participantsVery low
Downgraded: risk of bias, imprecision
Gait speed at the end of the intervention phase Measures of timed gait. Scale from: 0 (lower score means less impairment/disability)
Transcranial direct current stimulation (tDCS) vs sham tDCS
no estimate extracted2 studies · 41 participantsVery low
Downgraded: risk of bias, imprecision
Health‐related quality of life ‐ physical health SF‐ 12v2. Scale from: 0 to 100 (scores less than 50 indicate health above the mean and scores less than 50 indicate health below the mean)
Transcranial direct current stimulation (tDCS) vs sham tDCS
no estimate extracted1 study · 25 participantsVery low
Downgraded: risk of bias, imprecision
Health‐related quality of life ‐ mental health SF‐12v2. Scale from: 0 to 100 (scores less than 50 indicate health above the mean and scores less than 50 indicate health below the mean)
Transcranial direct current stimulation (tDCS) vs sham tDCS
no estimate extracted1 study · 25 participantsVery low
Downgraded: risk of bias, imprecision
Safety/ acceptability Dropouts and adverse events (lower rate means better safety/acceptability)
Transcranial direct current stimulation (tDCS) vs sham tDCS
no estimate extracted4 studies · 101 participantsVery low
Downgraded: risk of bias