Cochrane · systematic review · CD013756

Implanted spinal neuromodulation interventions for chronic pain in adults

O'Connell, NE, Ferraro, MC, Gibson, W, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

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
27
current version
GRADE rated
11
No studies
16
Included studies
NR
No studies 16 · 59.3%Ungraded 0 · 0%Very low 8 · 29.6%Low 3 · 11.1%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

Active stimulation vs placebo (sham)

Population: adults with chronic pain
13 questions
OutcomeEffectEvidenceStatus / GRADE
Pain intensity continuous outcomes. (VAS 0 ‐ 100)
Active stimulation vs placebo (sham)
no estimate extracted6 studies · 164 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, publication bias
Pain intensity. Proportion with ≥ 50% pain relief.
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Adverse event: lead failure/ displacement
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Adverse events: infection
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Adverse events: need for reoperation/ reimplantation
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Adverse events: other
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Pain intensity, continuous outcomes(VAS 0 ‐ 100)
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Pain intensity. Proportion with ≥50% pain relief.
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Adverse events: Infection
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Adverse events: Lead failure/ displacement
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Adverse events: Need for reoperation/ reimplantation
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Pain intensity, continuous outcomes (VAS 0 ‐ 100)
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies
Adverse events: Need for reoperation/reimplantation
Active stimulation vs placebo (sham)
no estimate extractedNRNo studies

Active stimulation + other intervention vs other intervention alone

Population: adults with chronic pain
14 questions
OutcomeEffectEvidenceStatus / GRADE
Pain intensity continuous outcomes. (VAS 0‐100, higher scores = worse pain)
Active stimulation + other intervention vs other intervention alone
no estimate extracted3 studies · 303 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Pain intensity. Proportion with ≥ 50% pain relief.
Active stimulation + other intervention vs other intervention alone
RR 15.9 [6.7, 37.74]2 studies · 249 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Adverse event: lead failure/ displacement
Active stimulation + other intervention vs other intervention alone
no estimate extractedNRNo studies
Adverse events: infection
Active stimulation + other intervention vs other intervention alone
no estimate extractedNRNo studies
Adverse events: need for reoperation/ reimplantation
Active stimulation + other intervention vs other intervention alone
no estimate extractedNRNo studies
Adverse events: other
Active stimulation + other intervention vs other intervention alone
no estimate extractedNRNo studies
Pain intensity, continuous outcomes (VAS 0 ‐ 100, higher scores = worse pain)
Active stimulation + other intervention vs other intervention alone
no estimate extracted5 studies · 635 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Pain intensity. Proportion with ≥50% pain relief.
Active stimulation + other intervention vs other intervention alone
RR 7.08 [3.4, 14.71]5 studies · 597 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Adverse events:lead failure/ displacement
Active stimulation + other intervention vs other intervention alone
RR 3.02 [0.52, 17.58]3 studies · 330 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Adverse events:infection
Active stimulation + other intervention vs other intervention alone
RR 4.83 [1.09, 21.4]4 studies · 548 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Pain intensity, continuous outcomes (VAS 0 ‐ 100, higher scores = worse pain) (5 years
Active stimulation + other intervention vs other intervention alone
no estimate extracted1 study · 44 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Pain intensity. Proportion with ≥ 50% pain relief. (2‐year
Active stimulation + other intervention vs other intervention alone
RR 15.15 [2.11, 108.91]1 study · 87 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Adverse events: lead failure/ displacement
Active stimulation + other intervention vs other intervention alone
RR 15.31 [0.99, 237.16]1 study · 44 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Adverse events: need for reoperation/reimplantation
Active stimulation + other intervention vs other intervention alone
RR 25.81 [1.69, 393.31]1 study · 44 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency