Trial reportBMC anesthesiology2021
Adding a low-concentration sciatic nerve block to total knee arthroplasty in patients susceptible to the adverse effects of non-steroidal anti-inflammatory drugs (NSAIDs): a randomized controlled trial.
Trial report in BMC anesthesiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03486548 (Analgesic Efficacy of Adding SCB With Low Concentration Bupivacaine Combined With Dexamethasone to ACB and Periarticular Injection on Postoperative Pain After TKA), which is not on this map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Analgesic Efficacy of Adding SCB With Low Concentration Bupivacaine Combined With Dexamethasone to ACB and Periarticular Injection on Postoperative Pain After TKA: Randomized Controlled Study
Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Local infiltration anesthesia with high dose ropivacaine and dexmedetomidine in major knee surgery is safe.Archives of orthopaedic and trauma surgery · 2025Article
- Comparing Different Multimodal Analgesia Protocols for Primary Total Knee Arthroplasty-A Retrospective Cohort Analysis.Journal of clinical medicine · 2024Article
- Periarticular injection, iPACK block, and peripheral nerve block in pain management after total knee arthroplasty: a structured narrative review.Perioperative medicine (London, England) · 2023Review
- Clinical Application of Perioperative Anaesthesia Management Based on Enhanced Recovery after Surgery Concept to Elderly Patients Undergoing Total Knee Replacement.Computational intelligence and neuroscience · 2022Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThis study compared the effects of adductor canal blocks with those of a low concentration of popliteal-sciatic nerve block (SNB) and dexamethasone as an adjunctive technique for total knee arthroplasties (TKA) in patients susceptible to the adverse effects of NSAIDs.
methodsA prospective, double-blinded, randomized controlled trial was performed in 50 patients susceptible to the adverse effects of NSAIDs undergoing unilateral TKAs. All patients received spinal anesthesia, adductor canal blocks, and periarticular infiltration. The 25 patients in the intervention group received SNB (0.125% bupivacaine [20 ml] and dexamethasone [5 mg]).
resultsThe SNB group significantly had lower median resting pain scores at 6, 12, and 18 h: the control group, 1 (0-4.5), 3 (0-5), and 3 (2-5); the intervention group, 0 (0-0), 0 (0-3), and 1 (0-3); p-values, 0.012, 0.021, and 0.010, respectively. Movement-evoked pain scores at 6, 12, and 18 h were also lower: control group, 3 (0-5.5), 5 (2.5-6.5), and 7 (4-9); intervention group, 0 (0-1.5), 2 (0-4), and 3 (2-5); p-values, 0.019, 0.005, and 0.001, respectively. There were no differences in motor function. Moreover, the mean morphine consumption 24 h was also reduced in the SNB group: control group, 3.80 ± 2.48 mg; intervention group, 1.96 ± 2 mg; p-value, 0.005.
conclusionFor patients susceptible to the adverse effects of NSAIDs, a low concentration of SNB and dexamethasone is an effective adjunctive technique for early postoperative pain control (especially on movement) following TKAs, without an increase in motor weakness.
trial registrationClinicalTrials.gov , NCT03486548 , Registered 3 April 2018.
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