Evidence map›Paper›PMID 40783982›Full record

ArticleJoint diseases and related surgery2025

Impact of diabetes mellitus and preoperative body mass index on 30-day postoperative complications and readmissions following total knee arthroplasty.

Kwong Weng Loh, Suraya Zulkhairi, Khai Hsin Wong, Khairul Anwar Ayob, Veenesh Selvaratnam, Azlina Amir Abbas

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Article in Joint diseases and related surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Kwong Weng Loh
Suraya Zulkhairi
Khai Hsin Wong
Khairul Anwar Ayob
Veenesh Selvaratnam
Azlina Amir AbbasDepartment of Orthopaedic Surgery, National Orthopaedic Centre of Excellence for Research and Learning (NOCERAL), Faculty of Medicine, Universiti Malaya, 50603 Kuala Lumpur, Malaysia. azabbas@um.edu.my.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesThis study aims to evaluate 30-day postoperative complications and hospital readmissions across different body mass index (BMI) categories and diabetic statuses following primary total knee arthroplasty (TKA). PATIENTS AND

methodsBetween January 2013 and December 2022, a total of 502 patients (100 males, 402 females; mean age: 68.8±7.7 years; range, 45 to 91 years) who underwent primary TKA for knee osteoarthritis were retrospectively analyzed. Data collected included basic demography, BMI, diabetes mellitus (DM) status, and 30-day postoperative complications such as venous thromboembolism (VTE), infections, neurological events, cardiac events, and renal issues. Readmissions due to operative or medical complications were recorded.

resultsOf the patients, 141 (28.1%) had DM and 186 (37.1%) patients were classified as obese. The obese group experienced the highest incidence of VTE (1.6%), whereas overweight patients exhibited a higher rate of renal events (1.0%). All non-diabetic underweight patients (n=2) developed postoperative hypoglycemia. Diabetic patients had significantly increased odds of VTE compared to non-diabetics (odds ratio=6.74; p=0.009). Normal BMI diabetic patients demonstrated the highest incidence of surgical site infections (7.4%), while normal BMI non-diabetic patients were more prone to foot drop (1.1%) and cardiac events (4.5%).

conclusionElevated BMI and DM independently or in combination, contribute to higher rates of postoperative complications and readmissions following TKA.

Indexed as

Arthroplasty, Replacement, KneeBody Mass IndexDiabetes MellitusObesityOsteoarthritis, KneePatient ReadmissionPostoperative ComplicationsAgedAged, 80 and overFemaleHumansIncidenceMaleMiddle AgedRetrospective StudiesRisk Factors

Identifiers

PMID40783982
PMCPMC12456351

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