Cochrane · systematic review · CD010328

Minimally invasive discectomy versus microdiscectomy/open discectomy for symptomatic lumbar disc herniation

Rasouli, MR, Rahimi‐Movaghar, V, Shokraneh, F, et al. · Cochrane Database of Systematic Reviews · 2014 · Cochrane Library

Back and NeckAMSTAR 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
12
current version
GRADE rated
11
No studies
1
Included studies
NR
No studies 1 · 8.3%Ungraded 0 · 0%Very low 1 · 8.3%Low 9 · 75%Moderate 1 · 8.3%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

Minimal invasive discectomy compared with micro/discectomy for lumbar disc herniation

Population: participants with lumbar disc herniation
12 questions
OutcomeEffectEvidenceStatus / GRADE
Outcomes#
Minimal invasive discectomy vs micro/discectomy
no estimate extractedNRNo studies
Mean leg pain intensity on a numerical scale, e.g. 0 (no pain) to 10 (maximum pain) ‐ 1‐year post operative
Minimal invasive discectomy vs micro/discectomy
no estimate extracted4 studies · 599 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Mean LBP intensity on a numerical scale, e.g. 0 (no pain) to 10 (maximum pain) ‐ 6‐month post operative
Minimal invasive discectomy vs micro/discectomy
no estimate extracted3 studies · 577 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Mean LBP intensity on a numerical scale, e.g. 0 (no pain) to 10 (maximum pain) ‐ 1‐year post operative
Minimal invasive discectomy vs micro/discectomy
no estimate extracted3 studies · 577 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Mean LBP intensity on a numerical scale, e.g. 0 (no pain) to 10 (maximum pain) ‐ 2‐year post operative
Minimal invasive discectomy vs micro/discectomy
no estimate extracted3 studies · 577 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Persistent motor deficits post operative
Minimal invasive discectomy vs micro/discectomy
no estimate extracted4 studies · 126 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Persistent sensory deficits post operative
Minimal invasive discectomy vs micro/discectomy
no estimate extracted4 studies · 165 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Persistent reflex deficit post operative (12 months)
Minimal invasive discectomy vs micro/discectomy
no estimate extracted2 studies · 47 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Disability (higher ratings mean greater disability). Various instruments were used, e.g. in Oswestry Disability Index > 6 months' post operative 0% (no disability) to 100% (bedridden)
Minimal invasive discectomy vs micro/discectomy
no estimate extracted3 studies · 312 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Side effects ‐ surgical site and other infections > 6 months'
Minimal invasive discectomy vs micro/discectomy
RR 0.23 [0.07, 0.79]6 studies · 931 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency
Side effects ‐ re‐hospitalisation due to recurrent disc herniation ≥ 6 months'
Minimal invasive discectomy vs micro/discectomy
RR 1.74 [1.03, 2.94]6 studies · 949 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
SF‐36 Physical Functioning subclass > 6 months'
Minimal invasive discectomy vs micro/discectomy
no estimate extracted2 studies · 385 participantsLow
Downgraded: risk of bias, imprecision, inconsistency