{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T17:16:42Z","timestamp":1740158202649,"version":"3.37.3"},"reference-count":30,"publisher":"Georg Thieme Verlag KG","issue":"08","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Knee Surg"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Venous thromboembolism (VTE) is a rare, but serious complication following total knee arthroplasty (TKA). Current VTE guidelines recommend pharmacologic agents with or without intermittent pneumatic compression devices (IPCDs). At our institution, both 81-mg aspirin (ASA) twice a day (BID) and portable IPCDs were previously prescribed to TKA patients at standard risk for VTE, but the IPCDs were discontinued and patients were treated with ASA alone going forward. The aim of this study is to determine if discontinued use of outpatient IPCDs is safe and does not increase the rate of VTE or any other related complications in patients following TKA. A retrospective review of 2,219 consecutive TKA cases was conducted, identifying patients with VTE, bleeding complications, infection, and mortality within 90 days postoperatively. Patients were divided into two cohorts. Patients in cohort one received outpatient IPCDs for a period of 14 days (control), while those in cohort two did not (ASA alone). All study patients received inpatient IPCDs and were maintained on 81-mg ASA BID for 28 days. A posthoc power analysis was performed using a noninferiority margin of 0.25 (\u03b1\u2009=\u20090.05; power\u2009=\u200980%), which showed that our sample size was fully powered for noninferiority for our reported deep vein thrombosis (DVT) rates, but not for pulmonary embolism (PE) rates. A total of 867 controls and 1,352 patients treated with ASA alone were identified. Only two control patients were diagnosed with a PE (0.23%), while one patient in the ASA alone group had DVT (0.07%). There was no statistical difference between these rates (p\u2009=\u20090.33). Furthermore, no differences were found in bleeding complications (p\u2009=\u20090.12), infection (p\u2009=\u20090.97), or 90-day mortality rates (p\u2009=\u20090.42) between both groups. The discontinued use of outpatient portable IPCDs is noninferior to outpatient IPCD use for DVT prophylaxis. Our findings suggest that this protocol change may be safe and does not increase the rate of VTE in standard risk patients undergoing TKA while using 81-mg ASA BID.<\/jats:p>","DOI":"10.1055\/s-0040-1721092","type":"journal-article","created":{"date-parts":[[2020,11,26]],"date-time":"2020-11-26T01:01:27Z","timestamp":1606352487000},"page":"909-915","source":"Crossref","is-referenced-by-count":1,"title":["Discontinued Use of Outpatient Portable Intermittent Pneumatic Compression Devices May Be Safe for Venous Thromboembolism Prophylaxis in Primary Total Knee Arthroplasty Using Low-Dose Aspirin"],"prefix":"10.1055","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7307-8018","authenticated-orcid":false,"given":"Alex","family":"Tang","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, NYU Langone Health, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stephen","family":"Zak","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, NYU Langone Health, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katherine","family":"Lygrisse","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, NYU Langone Health, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James","family":"Slover","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, NYU Langone Health, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Morteza","family":"Meftah","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, NYU Langone Health, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudette","family":"Lajam","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, NYU Langone Health, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ran","family":"Schwarzkopf","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, NYU Langone Health, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William","family":"Macaulay","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, NYU Langone Health, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2020,11,25]]},"reference":[{"issue":"07","key":"ref1","doi-asserted-by":"crossref","first-page":"1756","DOI":"10.2106\/JBJS.I.00511","article-title":"American Academy of Orthopaedic Surgeons Clinical Practice Guideline on. 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