ORCID Profile
0000-0001-8382-474X
Current Organisations
University of South Australia
,
University of Santo Tomas
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Publisher: University of Santo Tomas - College of Rehabilitation Sciences
Date: 2019
Publisher: Elsevier BV
Date: 03-2022
Publisher: SAGE Publications
Date: 2021
DOI: 10.1177/22104917211035555
Abstract: Patellofemoral pain syndrome is the most common knee condition and is associated with patellar maltracking. Ultrasound is used in studying patellar maltracking. The objective is to determine if the technique which analyzes the displacement of the patellar tendon in the trochlear sulcus is associated with patellofemoral pain syndrome. In total, 68 knees of 34 football players (males = 20, females = 14) were included. Patellar tendon displacement was assessed in supine and standing positions. Patellar tendon displacement difference in the two positions was determined. There was a significant difference in the lateral patellar tendon displacement during standing which was larger in patellofemoral pain syndrome than without patellofemoral pain syndrome (Mean Rank = 39.20 vs. 30.32, p = 0.02). There was no significant difference between the two groups for lateral patellar tendon displacement in supine and the difference in patellar tendon displacement from supine to standing. The technique could be a potential method in assessing patellar maltracking. It could be used to have a comprehensive understanding of the pathomechanics and treatment of patellofemoral pain syndrome.
Publisher: Wiley
Date: 17-04-2019
DOI: 10.1002/JUM.15012
Abstract: To determine the diagnostic capacity of ultrasound (US) in detecting carpal tunnel syndrome (CTS). Volunteer adults with and without CTS symptoms were recruited from offices in metropolitan Manila, where employees' work was hand/wrist intensive. Carpal tunnel syndrome was independently diagnosed by a reference standard (positive findings on a physical examination and nerve conduction studies). Blinded US measurements were taken of the median nerve (cross-sectional area, hypervascularity, wrist-to-forearm ratio, wrist-forearm difference, swelling ratio, flattening ratio, and palmar bowing of the flexor retinaculum) at the carpal tunnel inlet and carpal tunnel outlet (CTO). A total of 117 eligible consenting participants (234 hands) were included, with 54 hands (23.1%) with a diagnosis of CTS. There were no anthropometric differences between arms with and without CTS. Men and women older than 33 years were 5 times more likely to report CTS than younger people. A CTO wrist-forearm difference of greater than 0.03 cm had the strongest association with CTS (odds ratio, 4.7 95% confidence interval, 1.4-15.9), with an area under the curve of 0.58 (sensitivity, 94.4% specificity, 21.7%). The area under the curve increased to 0.59 when the next strongest measurement (CTO hypervascularity of 1+: odds ratio, 3.8 95% confidence interval, 1.8-8.1) was included (sensitivity, 98.1% specificity, 27.7%). Adding further US parameters did not improve the diagnostic capacity of US for CTS. Diagnostic capacity was independent of age and the duration of CTS symptoms. Combining US findings for the CTO wrist-forearm difference and hypervascularity provides a sensitive, alternative diagnostic tool for CTS.
Publisher: Wiley
Date: 21-09-2018
DOI: 10.1002/JUM.14819
Abstract: The aim of this cross-sectional correlational study was to determine the association of pain with morphologic and inflammatory sonographic findings in patients with knee osteoarthritis. A total of 113 participants with knee osteoarthritis were assessed using visual analog scale pain score and sonography. Ultrasound evaluation included morphologic changes (ie, articular cartilage degeneration, medial and lateral meniscal protrusion, and presence of osteophytes on the joint margins) and inflammatory changes (ie suprapatellar effusion and/or synovitis, Baker cyst, superficial and deep infrapatellar effusion, pes anserine tendinopathy, and Hoffa panniculitis). Cluster analysis via Ward's method grouped patients with minimal pain (visual analog scale score, 0-4) and with substantial pain (visual analog scale score, 5-10). Stepwise logistic regression yielded 5 variables that significantly explained the variation in the probability of perceived substantial pain at 10% level of significance: lateral cartilage clarity (LCC P = .025), medial cartilage clarity (MCC P = .20), medial cartilage thickness (MCT P = .041), medial meniscus protrusion (MMP) (P = .029), and osteophytes at medial femoral margin (P = .082), with 63% overall prediction accuracy. When age and sex were added, 4 variables remained significant at a 10% level of significance: LCC, MCC, MCT, and MMP, with 65% overall prediction accuracy. The receiver operating characteristic curve of this model was 0.667. The study was able to demonstrate that morphologic abnormalities in the ultrasound parameters for LCC, MCC, MCT, and MMP were able to predict significant joint pain in knee osteoarthritis. There were no inflammatory changes that contributed to significant joint pain in this study.
No related grants have been discovered for Consuelo Gonzalez-Suarez.