{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T12:58:55Z","timestamp":1740142735657,"version":"3.37.3"},"reference-count":38,"publisher":"FapUNIFESP (SciELO)","issue":"5","license":[{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Radiol Bras"],"abstract":"<jats:p>Abstract Objective: To evaluate the knees of individuals with renal failure who are on hemodialysis, using magnetic resonance imaging (MRI), comparing them with those of a group of individuals with normal renal function. Materials and Methods: This was a cross-sectional, observational, controlled study conducted between August 2018 and February 2020. The cases consisted of 15 patients who had been on hemodialysis for \u2265 5 years and did not have a quadriceps tendon rupture. The controls consisted of 15 individuals with normal renal function who were matched (1:1) to the cases for sex, age, and physical activity level. The subjects in both groups underwent MRI of the right knee only. Results: The mean ages of the cases and controls were 50 \u00b1 15 years and 49 \u00b1 14 years, respectively. The median time on hemodialysis was 11 years (range, 10-14 years). Serum levels of parathyroid hormone, ferritin, alkaline phosphatase, phosphorus, and creatinine were higher among the cases than among the controls, whereas serum albumin and hemoglobin were lower (p &lt; 0.05 for all). The MRI study showed a hyperintense signal in the quadriceps tendon in 11 of the cases and in three of the controls (p = 0.009). Knee joint effusion was observed in nine of the cases and in three of the controls (p &lt; 0.05). The thickness, length, and width of the tendon did not differ between the groups. A hyperintense signal in the tendon was not associated with the time on hemodialysis; nor with the levels of intact parathyroid hormone, hemoglobin, or alkaline phosphatase. Conclusion: Patients on chronic hemodialysis, even those without a tendon rupture, show a hyperintense signal in the quadriceps tendon on MRI.<\/jats:p>","DOI":"10.1590\/0100-3984.2021.0144","type":"journal-article","created":{"date-parts":[[2022,6,1]],"date-time":"2022-06-01T12:03:08Z","timestamp":1654084988000},"page":"293-298","source":"Crossref","is-referenced-by-count":0,"title":["Morphometric magnetic resonance imaging study of the quadriceps tendon in hemodialysis patients: comparison with non-dialyzed controls"],"prefix":"10.1590","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5503-6885","authenticated-orcid":false,"given":"Luis Marcelo de Azevedo","family":"Malta","sequence":"first","affiliation":[{"name":"Universidade Federal Fluminense (UFF), Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6791-3910","authenticated-orcid":false,"given":"Jocemir Ronaldo","family":"Lugon","sequence":"additional","affiliation":[{"name":"Universidade Federal Fluminense (UFF), Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8640-3657","authenticated-orcid":false,"given":"Alair Augusto Sarmet Moreira Damas dos","family":"Santos","sequence":"additional","affiliation":[{"name":"Universidade Federal Fluminense (UFF), Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5680-6132","authenticated-orcid":false,"given":"Leonardo Martins","family":"Machado","sequence":"additional","affiliation":[{"name":"Universidade Federal Fluminense (UFF), Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","published-online":{"date-parts":[[2022,10]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"192","DOI":"10.5435\/00124635-200305000-00006","article-title":"Quadriceps tendon rupture","volume":"11","author":"Ilan DI","year":"2003","journal-title":"J Am Acad Orthop Surg"},{"issue":"3","key":"ref2","doi-asserted-by":"crossref","DOI":"10.3928\/01477447-20100129-32","article-title":"Bilateral quadriceps tendon rupture: a rare finding in a healthy man after minimal trauma","volume":"33","author":"Chiu M","year":"2010","journal-title":"Orthopedics"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"932","DOI":"10.2106\/00004623-198163060-00010","article-title":"Ruptures of the extensor mechanism of the knee joint","volume":"63","author":"Siwek CW","year":"1981","journal-title":"J Bone Joint Surg Am"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"861","DOI":"10.1016\/S0272-6386(96)90386-8","article-title":"Spontaneous tendon ruptures in patients on chronic dialysis","volume":"28","author":"Jones N","year":"1996","journal-title":"Am J Kidney Dis"},{"key":"ref5","doi-asserted-by":"crossref","first-page":"510","DOI":"10.1302\/0301-620X.53B3.510","article-title":"Bilateral spontaneous and simultaneous rupture of the quadriceps tendon in gout","volume":"53","author":"Levy M","year":"1971","journal-title":"J Bone Joint Surg Br"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"187","DOI":"10.3928\/0147-7447-19950201-18","article-title":"Bilateral spontaneous quadriceps tendon rupture in a patient with renal failure","volume":"18","author":"Lombardi LJ","year":"1995","journal-title":"Orthopedics"},{"key":"ref7","doi-asserted-by":"crossref","first-page":"852","DOI":"10.2106\/00004623-197557060-00024","article-title":"Tendon ruptures with secondary hyperparathyroidism","volume":"57","author":"Cirincione RJ","year":"1975","journal-title":"A case report. 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J Bone Joint Surg Br"},{"key":"ref38","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1016\/j.jbspin.2018.08.005","article-title":"Tendon thickening in dialysis-related joint arthritis is due to amyloid deposits at the surface of the tendon","volume":"86","author":"Sigaux J","year":"2019","journal-title":"Joint Bone Spine"}],"container-title":["Radiologia Brasileira"],"original-title":["Estudo morfom\u00e9trico do tend\u00e3o do quadr\u00edceps em pacientes em hemodi\u00e1lise: avalia\u00e7\u00e3o por resson\u00e2ncia magn\u00e9tica e compara\u00e7\u00e3o com grupo controle"],"link":[{"URL":"http:\/\/www.scielo.br\/scielo.php?script=sci_pdf&pid=S0100-39842022000500293&tlng=en","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,9,26]],"date-time":"2024-09-26T07:06:43Z","timestamp":1727334403000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.scielo.br\/scielo.php?script=sci_arttext&pid=S0100-39842022000500293&tlng=en"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,10]]},"references-count":38,"journal-issue":{"issue":"5","published-online":{"date-parts":[[2022,10]]}},"alternative-id":["S0100-39842022000500293"],"URL":"https:\/\/doi.org\/10.1590\/0100-3984.2021.0144","relation":{},"ISSN":["1678-7099"],"issn-type":[{"type":"electronic","value":"1678-7099"}],"subject":[],"published":{"date-parts":[[2022,10]]}}}