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Abstract #2748

T2 Relaxation Time Reveals Improvement of Articular Cartilage Quality After Bariatric Surgery at 12-month Follow-up

Sami Lehtovirta1,2, Ahti Kemppainen1,2, Marianne Haapea2,3, Jaro Karppinen2,4,5, Eveliina Lammentausta2,3, Vesa Koivukangas6, Eero Kyllönen7, Mika Nevalainen1,2,3, Anna-Maija Kauppila7, Victor Casula1,2, and Miika T. Nieminen1,2,3
1Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland, 2Medical Research Center, University of Oulu and Oulu University Hospital, Oulu, Finland, 3Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland, 4Center for Life Course Health Research, University of Oulu, Oulu, Finland, 5Finnish Institute of Occupational Health, Oulu, Finland, 6Department of Surgery, Oulu University Hospital, Oulu, Finland, 7Department of Physical Medicine and Rehabilitation, Oulu University Hospital, Oulu, Finland

Obesity has become a worldwide phenomenon with nearly tripling since 1975: 13% of adults over 18 are obese. We set out to study articular cartilage of knee joint in obese individuals using T2 relaxation time. Our study population underwent Roux-en-Y gastric bypass operation and were compared with a control group of obese individuals in a 12-month follow-up. Our results suggest improved quality of cartilage in the lateral compartment of femoral cartilage after bariatric surgery.

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