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Explore the relationship between obesity and joint surgeries, including increased risks and potential solutions. Learn about the impact of obesity on knee and hip osteoarthritis, metabolic diseases, cardiovascular conditions, and more. Discover the importance of weight management in surgical outcomes.
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Definitions BMI= PDS en kg /Taille xTaille en m An adultwho has a BMIbetween25 and 29.9 isconsideredoverweight. An adultwho has a BMI of 30 or higherisconsideredobese. 500 millions of obeses X2 between1980 and 2008 2, 8 millions death/year
In France Obépi 2012
Obesity and Knee OA • Known association between knee OA and obesity • Canadian Joint Registry • BMI > 30 kg/m2 09 X risk • BMI > 35 kg/m2 19X risk • BMI > 40 kg/m2 33X risk * Sabharwal et al. JBSJ Am. 2012 * Felspm et al. Ann Rheum Dis. 1996 * Leach et al. CORR. 1973 * Bourne et al. CORR. 2007
Obesity and Hip OA • Canadian and Norway Joint Replacement Registry • BMI > 30 kg/m2 3X risk • BMI > 35 kg/m2 5X risk • BMI > 40 kg/m2 9X risk Bourne et al. CORR. 2007
Other metabolic diseases: • Dyslipidaemia: • Risk > x 3 • Hyperuricaemia and gout • Risk x 2-3 Type 2 Diabetes: Risk x 12.4in female Risk x 6.7 in male Obesity BMI >30 = Comorbidities • Cardiovascular diseases: • Hypertension • Risk > x 3 • Coronary heart disease • Risk x 3.1 in female • Risk x 1.7 in male • Congestive heart failure • Risk x 1.8 • Pulmonary embolism: Risk x 3.5 • Musculo-skeletal: • Chronic back pain: • Risk x 2.8 • Osteoarthritis: • Risk x 2 in female • Risk x 4.2 in male • Cancer: • Breast cancer in postmenopausal women • Endometrial cancer • Colon cancer Gastro-enterology: Gall-bladder diseases Risk x 2.3in female Risk x 1.4 in male • Pulmonary: • Sleep apnea: • Risk > x 3 • Asthma • Risk x 2-3 • Breathlessness • Risk > x 3 Increased anesthetic risk: Risk x 2 Guh DP,BMC Public Health, 2009 Astrup A, 2001, Public Health Nutrition
Concerns with Obesity & THA • Venous Thromboembolic Events X 4 • Superficial Wound Infections X 5 • Deep Periprosthetic Joint Infections • Hip Dislocations * Namba et al. JOA. 2005 * Friedman et al. CORR. 2013 * Dowsey et al. CORR. 2009 * Haverkamp et al. ActaOrthop. 2011 * Huddleston et al. CORR. 2012 * Malinzak et al. JOA. 2009 * Davis et al. JBJS Br. 2011 * Dowsey et al. JBJS Br. 2010 * Schwarzkopf et al. JOA. 2012
Antibioprophylaxie: ISO, dose ABP x 2 • pour BMI ≥ 35 SFAR, RPC 2005
Deep Periprosthetic Joint Infections (PJI) • Dowsey et al, CORR, 2009 • Morbid Obesity (> 40 kg/m2) Increase PJI by 9X! • Malinzak et al, JOA, 2012 • Super Obese (> 50 kg/m2) Increase PJI by 21X!
Can a fat be a thin? • InacioMC, Bone Joint J, 2014 Thosewholostweightbefore and keptit off post-operativelyhad a 3.77 greaterlikelihood of deepSSIs(
Dislocation Overweight RR = 2.5 (95%CI: 1.1–5.5) Obesity RR = 3.7 (95% CI: 1.5–9.3)
Standard Xraysl • Irradiation Compton effect
Standard Xrays • Enlargement and deformation
EOS Low irradiation No enlargement 1 single test
Résultats – Discussion - Conclusion Comparaison de l’irradiation entre EOS et Rx conventionnelle en fonction de l’IMC Chiron P, Demoulin L, Wytrykowski K, Cavaignac E, Reina N, MurgierJ. Radiation dose and magnification in pelvic X-ray: EOSimaging system versus plain radiographs. OrthopTraumatolSurgRes. 2017.
Résultats – Discussion - Conclusion • Agrandissement de tête mesuré avec EOS • Agrandissementmoyen= 1 • Seuls 4 calculs (2,2%) sur les 186 diffèrent de 1 • Pas de modèles statistiques valides, résultats parlent d’eux mêmes • Pas de corrélation avec l’IMC
Le geste chirurgical / The surgicalprocedure • The operating table, installation, equipment. 170 kilos with accessories, patient at the center 420 kilos with accessories, patient lateralised
Introduction Anesthésie Antibioprophylaxie Thromboprophylaxie Conclusion BM Bradley, J Arthroplasty 2014
The surgicalprocedure • The operating table, installation, equipment.
Current indications Posteriorapproach • THA short stem or standard stem
The surgicalprocedure • The operating table, installation, equipment.
The surgicalprocedure • The operating table, installation, equipment.
BMI < 30Metalback 0,4 mm fill • Titaniummelted laser • fine microstructure • HXLPE set at the factory
Prevent dislocation Prevent wear 0.4mm
Maisongrosse P, Lepage B, Cavaignac E, Pailhe R, Reina N, Chiron P, et al. Obesity is no longer a risk factor for dislocation after total hip arthroplasty with a double-mobility cup. IntOrthop. 2015;39(7):1251-8. Recul moyen: 58.3 ± 27 mois (27 – 159)
Take home message • Le danger commence BMI >30 • Faire maigriruniquementsi BMI>40 (Chir. Baria) • PTH faibleespoir de maigrirensuite • Visited’anesthesie +++++ • EOS • Installation+++ • Voieposterieure • DM ou tête de 36 mm