Trial reportPeerJ2025
The efficacy comparison on femoral vein hemodynamics and morphology between two types of graduated elastic compression stockings among patients undergoing knee replacement: a single center, double-blind, randomized trial.
Trial report in PeerJ, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the 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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Venous thromboembolism is a significant complication after knee replacement. The short-term efficacy disparities between different types of graduated elastic compression stockings (GCS) among patients undergoing total/unicompartmental knee replacement remain unclear. Objective: The aim of the trial was to compare the efficacies on hemodynamics and morphology of femoral vein between two types of GCS, providing more evidence on GCS prophylaxis among patients undergoing total/unicompartmental knee replacement. Methods: In this single center, double-blind, parallel design, randomized trial, 141 adult patients who underwent selective, unilateral total/unicompartmental knee replacement operation for the first time were enrolled, with 71 were assigned to type A GCS and 70 to type B GCS, respectively. Compressed ultrasound of the lower extremity was conducted before the operation (without GCS, as preoperative baseline) and within 24 hours post operation (postoperative baseline , with GCS, and with GCS + ankle pump). The relative changes in TV and PV, as well as the diameter of the femoral vein in the healthy leg, were assessed both before and after GCS application following the knee replacement surgery. Results: The median ages were 67.0 years in type A group and 68.0 years in type B group. All parameters of femoral vein were comparable between type A and type B GCSs. Compared with postoperative baseline, GCS + ankle pump significantly reduced femoral vein diameter and improved the TV in both GCS types; GCS and GCS + ankle pump also significantly increased the TV (median 1.2%, IQR -21.4% to 58.6%, Conclusion: The efficacies of two GCSs were comparable, and both were effective in improving velocity and morphology of femoral veins of the healthy legs among patients undergoing knee replacement, especially in improving TVs of femoral veins for left leg.
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