• Anne Olland, Nicola Santelmo, Bastien Orsini, Pierre-Emmanuel Falcoz, Richard Dorent, Hervé Mal, Pascal Thomas, and Gilbert Massard.
• Lung Transplantation Group, University Hospital Strasbourg, Strasbourg, France. brendanne@free.fr
• Eur J Cardiothorac Surg. 2012 Jun 1; 41 (6): 1357-64; discussion 1364-5.

ObjectivesLung transplantation is the only life-saving treatment for end-stage respiratory disease. The outcome will depend on the graft quality, surgical conditions and recipient factors. Twinned single-lung transplantation defines as two different recipients treated with lung grafts from the same donor. Recipient-dependent factors of the outcome can be studied more accurately as the graft quality is supposed equal for both recipients.MethodsWe reviewed all single-lung transplantations performed in France between 1998 and 2008 in the French registry run by the 'Agence de Biomédecine'. Criteria for donor lung quality and twinned recipient data were recorded in a database. The whole medical history and the transplantation outcome were reviewed for each patient and compared with its twin recipient. We compared twins on the basis of their opposed characteristics and on the basis of the opposed endpoint outcome. Endpoints were primary graft dysfunction (PGD) grade III, and mortality at 1, 3 and 12 months.ResultsA total of 387 single-lung transplantations were performed in 10 French centres; 180 were twinned recipients from 90 donors. Statistical analysis revealed a significantly different outcome for PGD only. PGD was significantly higher (P < 0.05) in fibrosis recipients compared with emphysema twins. In 28 pairs (31%), the outcome was discordant for PGD, and fibrosis was significantly more often involved compared with emphysema (P = 0.04). Sixty-two pairs had a similar outcome: two pairs showed PGD in both recipients while 60 pairs were free of PGD.ConclusionsWe conclude that recipient's disease is a major determinant of the outcome. Fibrosis is associated with an increased risk for PGD.

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