Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
123 participants
INTERVENTIONAL
2020-10-22
2025-02-14
Brief Summary
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Detailed Description
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A significant proportion of the overall cost of joint replacement results from the inpatient hospital stay following the procedure. Historically, the standard procedure following TKA required an inpatient hospital stay of two and a half to three weeks, however the introduction of less invasive surgical techniques, improved medical and analgesia management and comprehensive rehabilitation have enabled shorter inpatient stays. Today, the median inpatient stay following TKA is three days in Canada (3). A desire for greater autonomy by the patients as well as patients wanting early mobilization to accelerate recovery and return to activities has led some clinicians to consider an outpatient arthroplasty program. The proposed benefits of outpatient arthroplasty include similar patient outcomes with significantly lower hospital costs, and improved patient satisfaction, independence, and autonomy, however there is a lack of high-quality evidence comparing clinical outcomes of outpatient to inpatient arthroplasty models of care.
A retrospective analysis of over 50,000 THA and TKA procedures found no differences in 30-day major complications or readmissions among patients with a zero to two-day hospital stay compared to those discharged on day three or four postoperative (4). Small cohort studies (5-8) suggest lower costs for outpatients and improved patient satisfaction but have inherent biases; limited to carefully selected patients in privatized health systems.
It is estimated that up to 20% of the overall cost of joint replacement can be attributed to the inpatient stay in hospital at our institution (9). By discharging patients as outpatients, it could be possible to save 20% of the overall costs of joint replacement. Although these preliminary calculations are encouraging, it is not sufficient to effect change solely to achieve cost control, without consideration of safety, effectiveness and patient satisfaction. Further, it is unknown whether the financial savings will be outweighed by additional postoperative costs, increased readmissions or decreased quality of care. A full economic evaluation that simultaneously evaluates cost and effectiveness is crucial prior to implementation. The lack of high-quality evidence regarding its effectiveness warrants a rigorous comparative trial.
The purpose of this study is to evaluate outpatient care pathways for TKA. Specifically, our objectives are to compare the rate of serious adverse events and estimate the cost-effectiveness of outpatient compared to standard inpatient TKA.
Conditions
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Study Design
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NON_RANDOMIZED
PARALLEL
HEALTH_SERVICES_RESEARCH
NONE
Study Groups
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Outpatient
Patients in the outpatient group (same day discharge following TKA) are discharged the same day following surgery. All patients are required to meet the discharge criteria to be sent home (i.e., capable of using crutches, relatively free of pain, free of nausea and vomiting, free of excess bleeding, alert and oriented, given take-home medications, and in the company of a caregiver).
Outpatient
Patients in the outpatient group will be discharged from the hospital the same day of surgery following a total knee arthroplasty
Inpatient
Patients in the inpatient group (following day discharge following TKA) stay in the hospital overnight and then are discharged home the next day. All patients are required to meet the discharge criteria to be sent home (i.e., capable of using crutches, relatively free of pain, free of nausea and vomiting, free of excess bleeding, alert and oriented, given take-home medications, and in the company of a caregiver).
Inpatient
Patients in the inpatient group will be discharged from the hospital the following day after a total knee arthroplasty
Interventions
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Outpatient
Patients in the outpatient group will be discharged from the hospital the same day of surgery following a total knee arthroplasty
Inpatient
Patients in the inpatient group will be discharged from the hospital the following day after a total knee arthroplasty
Eligibility Criteria
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Inclusion Criteria
* Booked for primary unilateral total knee arthroplasty
* Have the ability to read and understand English (printed instructions are provided in English only)
* Home / cell phone access
* Planning to be discharged to home environment
* Patient has an adult to accompany them home post-operatively
Exclusion Criteria
* Lack of a social supports at home
* American Society of Anaesthesiologists (ASA) score equal to or less than 4
18 Years
ALL
No
Sponsors
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London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
OTHER
Responsible Party
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Principal Investigators
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Brent Lanting, MD, FRCSC
Role: PRINCIPAL_INVESTIGATOR
London Health Sciences Centre
Locations
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London Health Sciences Centre
London, Ontario, Canada
Countries
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References
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Kurtz SM, Ong KL, Lau E, Bozic KJ. Impact of the economic downturn on total joint replacement demand in the United States: updated projections to 2021. J Bone Joint Surg Am. 2014 Apr 16;96(8):624-30. doi: 10.2106/JBJS.M.00285.
Sutton JC 3rd, Antoniou J, Epure LM, Huk OL, Zukor DJ, Bergeron SG. Hospital Discharge within 2 Days Following Total Hip or Knee Arthroplasty Does Not Increase Major-Complication and Readmission Rates. J Bone Joint Surg Am. 2016 Sep 7;98(17):1419-28. doi: 10.2106/JBJS.15.01109.
Aynardi M, Post Z, Ong A, Orozco F, Sukin DC. Outpatient surgery as a means of cost reduction in total hip arthroplasty: a case-control study. HSS J. 2014 Oct;10(3):252-5. doi: 10.1007/s11420-014-9401-0. Epub 2014 Jul 12.
Bertin KC. Minimally invasive outpatient total hip arthroplasty: a financial analysis. Clin Orthop Relat Res. 2005 Jun;(435):154-63. doi: 10.1097/01.blo.0000157173.22995.cf.
Lovald ST, Ong KL, Malkani AL, Lau EC, Schmier JK, Kurtz SM, Manley MT. Complications, mortality, and costs for outpatient and short-stay total knee arthroplasty patients in comparison to standard-stay patients. J Arthroplasty. 2014 Mar;29(3):510-5. doi: 10.1016/j.arth.2013.07.020. Epub 2013 Aug 21.
Kolisek FR, McGrath MS, Jessup NM, Monesmith EA, Mont MA. Comparison of outpatient versus inpatient total knee arthroplasty. Clin Orthop Relat Res. 2009 Jun;467(6):1438-42. doi: 10.1007/s11999-009-0730-0. Epub 2009 Feb 18.
Petis SM, Howard JL, Lanting BA, Marsh JD, Vasarhelyi EM. In-Hospital Cost Analysis of Total Hip Arthroplasty: Does Surgical Approach Matter? J Arthroplasty. 2016 Jan;31(1):53-8. doi: 10.1016/j.arth.2015.08.034. Epub 2015 Aug 29.
The Arthritis Alliance of Canada, The Impact of Arthritis in Canada: Today and over the next 30 Years, 2011 http://www.arthritisalliance.ca/en/initiativesen/impact-of-arthritis
Canadian Institute for Health Information. Hip and Knee Replacements in Canada, 2017-2018: Canadian Joint Replacement Registry Annual Report. Ottawa, ON: CIHI; 2019.
Other Identifiers
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115081
Identifier Type: -
Identifier Source: org_study_id
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