Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine
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Controlled Clinical Trial
Feasibility of sonography for intra-articular injections in the knee through a medial patellar portal.
The purpose of this study was to investigate the feasibility of using real-time high-resolution sonography to guide an injection needle into the intra-articular space within the knee. ⋯ Intra-articular injections via an MPP using sonographic guidance may raise the accuracy rate in knee joint injections.
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Comparative Study
Accuracy of sonographically guided posterior subtalar joint injections: comparison of 3 techniques.
The primary purpose of this investigation was to determine the accuracy of 3 different sonographically guided posterior subtalar joint (PSTJ) injection techniques in an unembalmed cadaveric model. ⋯ This cadaveric investigation suggests that all 3 sonographically guided PSTJ techniques may be used to access the PSTJ with a high degree of accuracy. Clinicians should consider sonographically guided PSTJ injections as a favorable alternative to fluoroscopy and computed tomographic guidance when diagnostic or therapeutic image-guided PSTJ injections are indicated.
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The purpose of this study was to compare the prevalence of trigger fingers in patients with acromegaly versus an unaffected control group. ⋯ Trigger fingers were observed in 25% of the acromegalic patients but in none of the control participants. The A1 pulley was significantly thicker in the acromegalic patients and normalized after 1 year in some who were treated for the disease.
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Randomized Controlled Trial Comparative Study
Ultrasound guidance versus electrical stimulation for femoral perineural catheter insertion.
Continuous femoral nerve blocks provide potent analgesia and other benefits after knee surgery. Perineural catheter placement techniques using ultrasound guidance and electrical stimulation (ES) have been described, but the optimal method remains undetermined. We tested the hypothesis that ultrasound guidance alone requires less time for femoral perineural catheter insertion and produces equivalent results compared with ES alone. ⋯ Placement of femoral perineural catheters takes less time with ultrasound guidance compared with ES. In addition, ultrasound guidance produces less procedure-related pain and prevents inadvertent vascular puncture.