Rahul Kataria1, Reniell Iniguez1, Michael Foy1, Anshum Sood2, Mark E Gonzalez2. 1. University of Illinois at Chicago College of Medicine. 1853 W Polk St, Chicago, IL 60612, USA. 2. Orthopedic Surgery Department, University of Illinois. 1740 West Taylor St, Chicago, IL 606012, USA.
Abstract
BACKGROUND: Cardiac arrest (CA) has been identified as a potential complication following Total Hip Arthroplasty (THA) and Total Knee Arthroplasty (TKA). This retrospective, case-controlled study aims to identify risk factors in order to improve the management of patients undergoing THA or TKA with known preoperative comorbidities. METHODS: CPT codes were used to investigate the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database for patients who underwent THA or TKA from 2010 to 2017. Patients were classified as having cardiac arrest (CA) by the NSQIP guidelines. Patient samples with all possible covariates were included for the multivariate logistic regression analysis and assessed for independent association. RESULTS: Patients receiving perioperative transfusion, experiencing dyspnea with moderate exertion, dyspnea at rest, patients currently on dialysis, and patients aged ≥72 are all independently associated with increased rates of cardiac arrest (CA) following THA. Patients receiving perioperative transfusion, patients with anemia, bleeding disorders, dyspnea with moderate exertion, cardiac comorbidities, pulmonary comorbidities, and patients aged ≥73 are all associated with increased rates of cardiac arrest (CA) following TKA. CONCLUSION: Patients with the identified risk factors are at a greater risk of suffering cardiac arrest within 30 days following THA and TKA. It is imperative that we recognize which risk factors may precipitate CA in THA and TKA recipients so that prophylactic management can be employed. Furthermore, management guidelines should be updated for patients at high risk of CA following THA and TKA to prevent this complication.
BACKGROUND: Cardiac arrest (CA) has been identified as a potential complication following Total Hip Arthroplasty (THA) and Total Knee Arthroplasty (TKA). This retrospective, case-controlled study aims to identify risk factors in order to improve the management of patients undergoing THA or TKA with known preoperative comorbidities. METHODS: CPT codes were used to investigate the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database for patients who underwent THA or TKA from 2010 to 2017. Patients were classified as having cardiac arrest (CA) by the NSQIP guidelines. Patient samples with all possible covariates were included for the multivariate logistic regression analysis and assessed for independent association. RESULTS: Patients receiving perioperative transfusion, experiencing dyspnea with moderate exertion, dyspnea at rest, patients currently on dialysis, and patients aged ≥72 are all independently associated with increased rates of cardiac arrest (CA) following THA. Patients receiving perioperative transfusion, patients with anemia, bleeding disorders, dyspnea with moderate exertion, cardiac comorbidities, pulmonary comorbidities, and patients aged ≥73 are all associated with increased rates of cardiac arrest (CA) following TKA. CONCLUSION: Patients with the identified risk factors are at a greater risk of suffering cardiac arrest within 30 days following THA and TKA. It is imperative that we recognize which risk factors may precipitate CA in THA and TKA recipients so that prophylactic management can be employed. Furthermore, management guidelines should be updated for patients at high risk of CA following THA and TKA to prevent this complication.
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