Kyoto University · Medicine
Professor Daisuke Nakajima's research lab specializes in innovative lung preservation and recovery strategies, focusing on extending the pool of usable donor lungs through advanced perfusion technologies. The lab investigates ex vivo lung perfusion (EVLP) with antibiotic therapy to salvage infected donor lungs, as well as the use of short-term hypothermic machine perfusion (HMP) to restore energy metabolism and reduce ischemia-reperfusion injury in both donation after circulatory death (DCD) and living-donor lobar lung transplantation (LDLLT) settings. Their work aims to improve transplant outcomes by enhancing lung viability and function prior to transplantation.
Figures are computed from collected data and may differ slightly.
Ex vivo lung perfusion (EVLP) is a platform to treat infected donor lungs with antibiotic therapy before lung transplantation. Human donor lungs that were rejected for transplantation because of clinical concern regarding infection were randomly assigned to two groups. In the antibiotic group (n = 8), lungs underwent EVLP for 12 h with high-dose antibiotics (ciprofloxacin 400 mg or azithromycin 500 mg, vancomycin 15 mg/kg, and meropenem 2 g). In the control group (n = 7), lungs underwent EVLP fo
Short-term HMP improved lung tissue energy levels that decreased during warm ischemia and ameliorated ischemia-reperfusion injury with decreased production of reactive oxygen species.
Living-donor lobar lung transplantation (LDLLT) has become an important life-saving option for patients with severe respiratory disorders, since it was developed by a group in the University of Southern California in 1993 and introduced in Japan in 1998 in order to address the current severe shortage of brain-dead donor organs. Although LDLLT candidates were basically limited to critically ill patients who would require hospitalization, the long-term use of steroids, and/or mechanical respirator
Short-term HMP could resuscitate ischemically damaged DCD lungs and ameliorate ischemia-reperfusion injury.
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