Trial reportBMC anesthesiology2025
Efficacy of Peripheral Cutaneous Nerve (PCN) on postoperative pain and functional outcome after total knee arthroplasty: a single-blind, randomized controlled clinical trial".
Trial report in BMC anesthesiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05202730 (Analgesic Effect of Peripheral Cutaneous Nerve Block of Knee Joint After Total Knee Arthroplasty), which is not on this map. Not yet cited in PubMed.
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 Effect of Peripheral Cutaneous Nerve Block of Knee Joint After Total Knee Arthroplasty
Who cites it
0 citing papers in PubMed.
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Corrections and comments
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPostoperative pain is an important complication that impedes the functional recovery of the total knee arthroplasty (TKA). A variety of analgesic methods including the popliteal artery and capsule of the posterior knee block (IPACK), local infiltration analgesia (LIA) and peripheral cutaneous nerve (PCN) block have been applied via intraoperative or postoperative local injection for alleviating pain after TKA. The purpose of this study was to compare the analgesic effect and function outcome of two local anesthetic methods for reducing postoperative pain after TKA.
methodsWe demonstrated the effect of these two methods on postoperative pain, need for additional analgesics, functional recovery, and pain-related secreted proteins.
resultsOne hundred twenty patients aged 50-75 years who underwent TKA for osteoarthritis between December 2021 to June 2024 were included in the study and divided into two groups as follows: Group A was given local anesthetic drug by IPACK combined with LIA; Group B was given the same local anesthetic drug formulation by IPACK combined with a novel PCN block. The visual analog scale (VAS) values, the need for additional analgesics and the expression of pain-related proteins in the Group B were lower than in the Group A on postoperative 6 h, 1, 2 and 3 days (P < 0.05). However, the joint ROM and early ambulation in the Group B were significantly higher than in the Group A on postoperative 1, 2 and 3 days (P < 0.05).
conclusionsBased on the present evidence, patients treated with IPACK combined with new PCN block method can effectively reduce pain after TKA compared to IPACK combined with LIA. Furthermore, this approach not only mitigates postoperative pain but also decreases the need for postoperative analgesics and enhances patient's functional recovery.
trial registrationNCT05202730, Date: 05/12/2021.
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