Preoperative hyponatremia is an independent risk factor for postoperative complications in aseptic revision hip and knee arthroplasty

Alex Gu, Frank R. Chen, Aaron Z. Chen, Safa C. Fassihi, Savyasachi Thakkar, Anthony S. Unger, Jiabin Liu, Peter K. Sculco, Michael P. Ast

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: The purpose of this study is to investigate the relationship between preoperative hyponatremia and postoperative complications in aseptic revision hip and knee arthroplasty. Methods: Aseptic revision arthroplasties from 2007 to 2016 were collected using a large, United States database. Patients were stratified into eunatremic and hyponatremic cohorts. Rates of complications were collected and analyzed. Results: 25,517 surgeries were evaluated. Preoperative hyponatremia was independently associated with organ/space infections (OR= 2.316; p<0.001), postoperative blood transfusions (OR= 1.467; p<0.001), pneumonia (OR= 2.05; p =0.002), sepsis (OR= 2.533; p<0.001), extended length-of-stay (OR= 2.221; p<0.001), minor complications (OR= 1.549; p<0.001), wound complications (OR= 1.505; p=0.001), pulmonary complications (OR= 1.72; p=0.007), and sepsis complications (OR= 2.305; p<0.001). Conclusion: Hyponatremia is an independent risk factor for several postoperative complications in aseptic revision hip and knee arthroplasty.

Original languageEnglish (US)
Pages (from-to)224-227
Number of pages4
JournalJournal of Orthopaedics
Volume20
DOIs
StatePublished - Jul 1 2020
Externally publishedYes

Keywords

  • Hip
  • Hyponatremia
  • Knee
  • Postoperative complications
  • Revision hip arthroplasty
  • Revision knee arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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