Abstract #2748

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

Sami Lehtovirta^1,2, Ahti Kemppainen^1,2, Marianne Haapea^2,3, Jaro Karppinen^2,4,5, Eveliina Lammentausta^2,3, Vesa Koivukangas⁶, Eero Kyllönen⁷, Mika Nevalainen^1,2,3, Anna-Maija Kauppila⁷, Victor Casula^1,2, and Miika T. Nieminen^1,2,3

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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