Metabolic syndrome increases risk for pulmonary embolism after hip and knee arthroplasty

Boris Mraovic, Brian R. Hipszer, Richard H. Epstein, Javad Parvizi, Edward C. Pequignot, Inna Chervoneva, Jeffery I. Joseph

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Aim: To investigate whether patients with metabolic syndrome (MetS) undergoing total hip or knee replacement have an increased risk for pulmonary embolism (PE). Methods: We studied patients undergoing total hip or total knee replacement from January 2001 to April 2006. The diagnosis of PE was based on a positive finding with a chest CT or a lung scan. Components of MetS were defined as 1) BMI=30 kg/m2, 2) non-fasting preadmission glucose =11.1 mmol/L or diagnosis of diabetes, 3) hypertension, and 4) dyslipidemia. MetS was diagnosed if at least three of these components were present. Results: Of 7282 patients, 107 (1.47%) were diagnosed with PE. The incidence of PE in patients with 0, 1, 2, 3, and 4 MetS components was respectively 0.85% (16/1888; 95% confidence interval [CI] 0.5%-1.4%), 1.24% (31/2500; 95% CI 0.9%-1.8%), 1.76% (34/1936; 95% CI 1.2%-2.5%), 2.64% (21/796; 95% CI 1.7%-4.1%), and 3.09% (5/162; 95% CI 1.1%-7.4%). The independent risk factors for PE were age =70, knee as opposite to hip replacement, bilateral knee surgery, congestive heart failure, and MetS or the number of MetS components. The odds of PE independently increased 1.6 times (95% CI 1.01-2.56; P = 0.043) for patients with MetS and 1.23 times (95% CI 1.02-1.48; P = 0.028) per each additional MetS component. Conclusion: Patients with MetS are at increased risk for PE after total joint arthroplasty. The increasing number of MetS components significantly increased the incidence of PE.

Original languageEnglish (US)
Pages (from-to)355-361
Number of pages7
JournalCroatian medical journal
Volume54
Issue number4
DOIs
StatePublished - 2013
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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