• Nilto C De Oliveira, Satoru Osaki, James Maloney, Richard D Cornwell, and Keith C Meyer.
• Division of Cardiothoracic Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, University of Wisconsin Hospital and Clinics, Madison, WI 53792, USA.
• Eur J Cardiothorac Surg. 2012 Mar 1;41(3):680-5.

ObjectivesThis study was undertaken to evaluate whether the adoption of the united network for organ sharing lung allocation score (LAS) was associated with significant changes in lung transplantation (LTX) outcomes for patients with interstitial lung disease (ILD) who underwent LTX at the University of Wisconsin Hospital and Clinics.MethodsOutcomes for 107 consecutive patients with various forms of ILD who underwent LTX between January 1993 and March 2009 were examined. Patients transplanted following the implementation of the LAS system (LAS, n = 56) were compared with those transplanted prior to LAS implementation (pre-LAS, n = 51) for whom LAS scores were calculated.ResultsPatients with idiopathic pulmonary fibrosis (IPF) comprised the majority of patients with ILD. Recipients transplanted after the implementation of the LAS were significantly older (pre-LAS: 50.4 vs. LAS: 56.7 years, P < 0.01), required more supplemental oxygen (3 vs. 5 l/min, P < 0.01) and displayed lower cardiac index values (3.1 vs. 2.6 l/m(2), P < 0.01). The estimated LAS was significantly increased from 38.3 (pre-LAS) to 43.3 (LAS), P < 0.01. However, waiting time decreased from 266 to 78 days (P < 0.01). The rate of bilateral vs. single LTX was lower (35 vs. 16%, P = 0.02) for the post-LAS group. Cold ischaemic time was shorter in the post-LAS group (434 vs. 299 min, P < 0.01), and the length of hospital stay decreased from 24 to 11 days (P < 0.01). Hospital mortality (11 vs. 7%, P = 0.51) and post-transplant survival did not differ between the groups.ConclusionsPost-transplant outcomes for patients with ILD or the subset of recipients with IPF were not adversely affected by the implementation of the LAS.

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