The Impact of Metabolic Syndrome on 30-Day Complications Following Total Joint Arthroplasty

Adam I. Edelstein, Francis Lovecchio, Dimitri E. Delagrammaticas, David W. Fitz, Kevin Donald Hardt, David W Manning*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


Background The arthroplasty population increasingly presents with comorbid conditions linked to elevated risk of postsurgical complications. Current quality improvement initiatives require providers to more accurately assess and manage risk presurgically. In this investigation, we assess the effect of metabolic syndrome (MetS), as well as the effect of body mass index (BMI) within MetS, on the risk of complication following hip and knee arthroplasty. Methods We queried the American College of Surgeons National Surgical Quality Improvement Program database for total hip or knee arthroplasty cases. Thirty-day rates of Centers for Medicare and Medicaid Services (CMS)-reportable complications, wound complications, and readmissions were compared between patients with and without a diagnosis of MetS using multivariate logistic regression. Arthroplasty cases with a diagnosis of MetS were further stratified according to World Health Organization BMI class, and the role of BMI within the context of MetS was assessed. Results Of the 107,117 included patients, 11,030 (10.3%) had MetS. MetS was significantly associated with CMS complications (odds ratio [OR] = 1.415; 95% confidence interval [CI], 1.306-1.533; P <.001), wound complications (OR = 1.749; 95% CI, 1.482-2.064; P <.001), and readmission (OR = 1.451; 95% CI, 1.314-1.602; P <.001). When MetS was assessed by individual BMI class, the MetS + BMI >40 group was associated with significantly higher risk of CMS complications, wound complications, and readmission compared to the lower MetS BMI groups. Conclusion MetS is an independent risk factor for CMS-reportable complications, wound complications, and readmission following total joint arthroplasty. The risk attributable to MetS exists irrespective of obesity class and increases as BMI increases.

Original languageEnglish (US)
Pages (from-to)362-366
Number of pages5
JournalJournal of Arthroplasty
Issue number2
StatePublished - Feb 1 2017


  • BMI
  • complications
  • metabolic syndrome
  • obesity
  • TJA

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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