Cochrane · systematic review · CD009645

Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and cognitive functioning, in people after stroke

Elsner, B, Kugler, J, Pohl, M, et al. · Cochrane Database of Systematic Reviews · 2020 · Cochrane Library

Stroke3 versionsAMSTAR 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
26
current version
GRADE rated
17
No studies
9
Included studies
NR
No studies 9 · 34.6%Ungraded 0 · 0%Very low 1 · 3.8%Low 4 · 15.4%Moderate 11 · 42.3%High 1 · 3.8%

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

Show all 3 versions

tDCS versus any type of placebo or passive control intervention for improving activities of daily living, and physical and cognitive functioning at the end of intervention period, in people after stroke

Population: people with stroke
7 questions
OutcomeEffectEvidenceStatus / GRADE
Primary outcome measure: mean ADL at the end of the intervention periodMeasures of activities of daily living. Scale from: 0 to infinity.
tDCS vs any type of placebo or passive control intervention
no estimate extracted19 studies · 686 participantsModerate
Secondary outcome measure: mean upper extremity function at the end of the intervention periodClinical measures of upper extremity function. Scale from: 0 to infinity.
tDCS vs any type of placebo or passive control intervention
no estimate extracted24 studies · 792 participantsModerate
Secondary outcome measure: mean lower extremity function at the end of the intervention period Clinical measures of lower extremity function. Scale from: 0 to infinity.
tDCS vs any type of placebo or passive control intervention
no estimate extracted8 studies · 204 participantsModerate
Downgraded: imprecision
Secondary outcome measure: mean muscle strength at the end of the intervention period Clinical measures of muscle strength. Scale from: 0 to infinity.
tDCS vs any type of placebo or passive control intervention
no estimate extracted13 studies · 437 participantsHigh
Secondary outcome measure: mean cognitive abilities at the end of the intervention period Clinical measures of cognitive abilities. Scale from: 0 to infinity.
tDCS vs any type of placebo or passive control intervention
no estimate extracted2 studies · 56 participantsLow
Downgraded: imprecision, publication bias
Secondary outcome measure: mean hemispatial neglect at the end of intervention period
tDCS vs any type of placebo or passive control intervention
no estimate extracted1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision, publication bias
Secondary outcome measure: dropouts, adverse events and deaths during the intervention periodNumber of adverse events, dropouts and deaths during the intervention period
tDCS vs any type of placebo or passive control intervention
RR 1.25 [0.74, 2.13]47 studies · 1330 participantsModerate

tDCS versus any type of active control intervention for improving activities of daily living, and physical and cognitive functioning at the end of intervention period, in people after stroke

Population: people with stroke
7 questions
OutcomeEffectEvidenceStatus / GRADE
Primary outcome measure: mean ADL at the end of the intervention periodBarthel Index. Scale from: 0 to 100.
tDCS vs any type of active control intervention
no estimate extracted3 studies · 121 participantsLow
Downgraded: risk of bias, imprecision
Secondary outcome measure: mean upper extremity function at the end of the intervention periodClinical measures of upper extremity function. Scale from: 0 to infinity.
tDCS vs any type of active control intervention
no estimate extracted5 studies · 124 participantsLow
Downgraded: risk of bias, imprecision
Secondary outcome measure: mean lower extremity function at the end of the intervention period
tDCS vs any type of active control intervention
no estimate extracted3 studies · 66 participantsModerate
Downgraded: imprecision
Secondary outcome measure: mean muscle strength at the end of the intervention period
tDCS vs any type of active control intervention
no estimate extracted2 studies · 57 participantsLow
Downgraded: risk of bias, imprecision
Secondary outcome measure: cognitive abilities at the end of the intervention period
tDCS vs any type of active control intervention
no estimate extractedNRNo studies
Secondary outcome measure: spatial neglect at the end of the intervention period
tDCS vs any type of active control intervention
no estimate extracted1 study · 12 participantsModerate
Downgraded: imprecision
Secondary outcome measure: dropouts, adverse events and deaths during the intervention periodAdverse events, dropouts and deaths during the intervention period
tDCS vs any type of active control intervention
RR 1.76 [0.43, 7.17]7 studies · 209 participantsModerate
Downgraded: imprecision

tDCS versus any type of placebo or passive control intervention for improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in people after stroke

Population: patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in people after stroke
6 questions
OutcomeEffectEvidenceStatus / GRADE
Primary outcome measure: mean ADL until the end of
tDCS vs any type of placebo or passive control intervention
no estimate extracted6 studies · 269 participantsModerate
Downgraded: imprecision
Secondary outcome measure: mean upper extremity function to the end of
tDCS vs any type of placebo or passive control intervention
no estimate extracted5 studies · 211 participantsModerate
Downgraded: imprecision
Secondary outcome measure: lower extremity function to the end of
tDCS vs any type of placebo or passive control intervention
no estimate extractedNRNo studies
Secondary outcome measure: mean muscle strength at the end of
tDCS vs any type of placebo or passive control intervention
no estimate extracted3 studies · 156 participantsModerate
Downgraded: imprecision
Secondary outcome measure: cognitive abilities at the end of
tDCS vs any type of placebo or passive control intervention
no estimate extractedNRNo studies
Secondary outcome measure: hemispatial neglect at the end of
tDCS vs any type of placebo or passive control intervention
no estimate extractedNRNo studies

tDCS versus any type of active control intervention for improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in people after stroke

Population: people with stroke
6 questions
OutcomeEffectEvidenceStatus / GRADE
Primary outcome measure: mean ADL at the end of
tDCS vs any type of active control intervention
no estimate extractedNRNo studies
Secondary outcome measure: mean upper extremity function to the end of
tDCS vs any type of active control intervention
no estimate extracted1 study · 32 participantsModerate
Downgraded: imprecision
Secondary outcome measure: lower extremity function at the end of
tDCS vs any type of active control intervention
no estimate extractedNRNo studies
Secondary outcome measure: muscle strength at the end of
tDCS vs any type of active control intervention
no estimate extractedNRNo studies
Secondary outcome measure: cognitive abilities at the end of
tDCS vs any type of active control intervention
no estimate extractedNRNo studies
Secondary outcome measure: hemispatial neglect at the end of
tDCS vs any type of active control intervention
no estimate extractedNRNo studies