References:
  1. Godoy LC, Tomlinson G, Abumuamar AM, Farkouh ME, Rudolph M, Billia F, Cohn I, Marcus G, Kim RH, Rao V, Lawler PR. Association between time to therapeutic INR and length of stay following mechanical heart valve surgery. J Card Surg. 2022 Jan;37(1):62-69. doi: 10.1111/jocs.16083. Epub 2021 Oct 18. PMID: 34662458.
  2. Arendt CJ, Hong JH, Daly RC, Scott C, Mehta RA, Bailey K, Pathak J, Pereira NL. Time to achieving therapeutic international normalized ratio increases hospital length of stay after heart valve replacement surgery. Am Heart J. 2017 May;187:70-77. doi: 10.1016/j.ahj.2017.02.011. Epub 2017 Feb 16. PMID: 28454810.
  3. Fanikos J, Tsilimingras K, Kucher N, Rosen AB, Hieblinger MD, Goldhaber SZ. Comparison of efficacy, safety, and cost of low-molecular-weight heparin with continuous-infusion unfractionated heparin for initiation of anticoagulation after mechanical prosthetic valve implantation. Am J Cardiol. 2004 Jan 15;93(2):247-50. doi: 10.1016/j.amjcard.2003.09.054. PMID: 14715362.