Aims and Scope

The Open Obesity Journal is an open access online journal, which publishes research articles, reviews/mini-reviews, letters and guest edited single topic issues, on all areas of basic and clinical research on obesity.

The Open Obesity Journal, a peer reviewed journal, is an important and reliable source of current information on developments in the field. The emphasis will be on publishing quality articles rapidly and freely available worldwide.

Editor's Choice

“Total Knee Arthroplasty in the Context of Severe and Morbid Obesity in Adults”

Luis M. Lozano, Montserrat Nunez, Sergi Sastre, Dragos Popescu

Medical treatment for knee osteoarthritis proves insufficient in a considerable number of patients, who thus require surgical intervention, with arthroplasty being one of the most common procedures. The rate of knee replacement is consequently higher in the obese population. Obese patients who undergo knee arthroplasty face a larger number of associated comorbidities than do non-obese individuals, and this greater comorbidity can lead to more postoperative complications and worse outcomes. Given that obesity defined according to BMI would cover a large proportion of the population (a quarter of adults have a BMI > 30 kg/m2 in some western societies) attention has focused on which subgroups might present the greatest problems. It appears that morbidly obese patients (BMI > 40 kg/m2) are most at risk of complications. Some authors suggest the need to study more precise methods for component alignment in these patients. The use of an intramedullary guide made surgical intervention easier and was associated with a significantly shorter tourniquet time. Although the studies refer greater surgical difficulties on the basis of their BMI, the difficulty of surgery will ultimately depend on the morphology of the knee. The factors associated with a worse postoperative WOMAC score in severely and morbidly obese patients were the number of comorbidities, infrapatellar anthropometric index below percentile 75, greater intraoperative difficulty and the number of postoperative complications. When starting from a comparable preoperative status, severely and morbidly obese patients show a similar improvement than other patients.

June 13, 2012

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