Preoperative Evaluation of Overweight and Obese Iraqi Patients in Primary Total Knee Arthroplasty Anmar Hamid Abdulmaged* FICMS CABS, Mohammed Abdulzahraa* FICMS CABS, Mahmmod Shihab* FICMS

  • imj Iraq Medical Journal
Keywords: Obesity, Overweight, Total knee replacement, Body mass index.


Background: Total knee arthroplasty is one of the common surgical procedures in orthopedic surgery.

Objectives: Study of obese and overweight Iraqi patients’ body mass index linked to time of presentation for primary total knee arthroplasty in relation to their gender, age, chronic diseases, intraoperative prosthetic sizes and complications.

Methods: Cross sectional analytic study design done for 121 patients, 36 males and 85 females (mean age = 56.59 years), operated on for primary total knee arthroplasty, in Medical city complex/hospital of surgical specialties and Nursing home hospital. Special paper forma used to record all patient preoperative data, intraoperative prosthetic sizes and complications. The surgery done by the same team using the same implant design.

Results: The patient age found to decrease significantly (P < 0.001) by increase body mass index. Age of patients shown with the strongest negative correlation to increase body mass index in primary total knee replacement. Also increased female gender dominance in overweight, and stage I, II and III obesity and predilection with significant P value < 0.009 in primary total knee arthroplasty. The knee society score and functional score (mean ±SD) were shown to decrease with increasing body mass index with significant P value < 0.009.

Conclusions: Iraqi patients with higher body mass index required total knee arthroplasty at younger age group. Increased female gender dominant predilection with increasing body mass index. Obesity plays a little role to increase intra operative complications


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