Kelly Harper1, Gavin Wood1, Lalonde Sebastien1, Walsh Kellen1. 1. From the Department of Surgery, Queens University, Kingston, Ont. (Wood, Lalonde [at the time of writing], Walsh, Harper); and the Department of Orthopaedic Surgery, University of Missouri, Columbia, Mo. (Lalonde).
Abstract
Background: Little information exists regarding the risk of complications in inmates who receive total hip or knee arthroplasties in Canada. Inmates tend to be less healthy owing to socioeconomic factors and an increased number of medical and psychiatric comorbidities. We compared revision and complication rates of total joint replacements in a cohort of incarcerated Canadians versus a cohort of non-inmates. Methods: We obtained a list of all Canadian inmate inpatient hospital visits with diagnostic/procedure codes of primary hip or knee arthroplasty within the last 10 years from our institution’s discharge abstract database. Demographic data and information related to the perioperative course, along with any data related to postoperative complications/readmissions, were obtained through manual chart review. Results: The inmate group consisted of 20 men (mean age 58 yr) with a total of 24 primary total joint arthroplasties; the comparison group included 171 men (mean age 62 yr). Postoperatively, the inmates had a 4-fold increased risk of major complication compared with non-inmates (33.3% v. 7.6%; odds ratio 4.21, p = 0.01). The inmates’ revision rate was 20.8% compared with 5.8% in the comparison group (p = 0.03). The most common cause for revision in the inmate group was infection, with a rate of 16.7% compared with 3.5% in the comparison group (p = 0.03). Conclusion: Patients requiring total joint arthroplasty who are inmates in the Canadian penitentiary system are at increased risk of complication and revision surgeries following total joint arthroplasty.
Background: Little information exists regarding the risk of complications in inmates who receive total hip or knee arthroplasties in Canada. Inmates tend to be less healthy owing to socioeconomic factors and an increased number of medical and psychiatric comorbidities. We compared revision and complication rates of total joint replacements in a cohort of incarcerated Canadians versus a cohort of non-inmates. Methods: We obtained a list of all Canadian inmate inpatient hospital visits with diagnostic/procedure codes of primary hip or knee arthroplasty within the last 10 years from our institution’s discharge abstract database. Demographic data and information related to the perioperative course, along with any data related to postoperative complications/readmissions, were obtained through manual chart review. Results: The inmate group consisted of 20 men (mean age 58 yr) with a total of 24 primary total joint arthroplasties; the comparison group included 171 men (mean age 62 yr). Postoperatively, the inmates had a 4-fold increased risk of major complication compared with non-inmates (33.3% v. 7.6%; odds ratio 4.21, p = 0.01). The inmates’ revision rate was 20.8% compared with 5.8% in the comparison group (p = 0.03). The most common cause for revision in the inmate group was infection, with a rate of 16.7% compared with 3.5% in the comparison group (p = 0.03). Conclusion:Patients requiring total joint arthroplasty who are inmates in the Canadian penitentiary system are at increased risk of complication and revision surgeries following total joint arthroplasty.
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