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Normalised intrinsic mortality risk in liver transplantation: European Liver Transplant Registry study
Open accessAbstract
BACKGROUND No model exists for liver transplantation to estimate the mortality risk in a given patient, and no standard by which to assess performance in different centres. We investigated the intrinsic mortality risk in the absence of known mortality risk factors. METHODS We identified mortality risk factors and risk ratios quantified in data from the European Liver Transplant Registry (22,089 patients at 102 centres in 18 countries) registered from 1988 to 1997. To develop a model of the intrinsic risk and the risk ratios for specific factors, univariate and multivariate analyses were done separately for the overall population, for adults, and for children younger than 15 years, and the number of deaths were estimated. We validated the model by comparing mortality in patients without risk factors with the model-adjusted mortality in patients with risk factors. FINDINGS Overall 5-year and 8-year actuarial survival was 66% (95% CI 65-66) and 61% (60-62). 65% of deaths occurred within 6 months. Retransplantation, transplantation for cancer, acute liver failure, fewer than 20 split-liver grafts per year, and a centre workload of fewer than 25 transplants per year were the main risk factors of 12 identified factors. 1-year and 5-year death rates among adults with no risk factors were similar to model estimates (15 [13-16] vs 14% [13-15], and 22 (20-24) vs 23% [21-24]). Corresponding data for paediatric transplants were 9% (7-12) compared with 11% (9-12) and 13% (10-17) compared with 14% (11-16). The reduction of mortality risk in high-volume centres was even greater in patients without risk factors (48 vs 23%, p<0.001). INTERPRETATION The normalised intrinsic mortality risk can be combined with the relative risk ratios of known risk factors to better estimate the mortality risk of a given procedure in a given patient. Centres can assess performance by removing potential bias of donor and recipient selection.
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Cited by
Evolution of liver transplantation in Europe: Report of the European Liver Transplant Registry
Adam, R., McMaster, P., O’Grady, J. G., Castaing, D., Klempnauer, J. L., Jamieson, N., Neuhaus, P., Lerut, J., Salizzoni, M., Pollard, S., et al. (2003) · Liver Transplantation · doi:10.1016/j.lts.2003.09.018 · Cited by 567
Self-citationAdam, R., Karam, V., Cailliez, V., O Grady, J. G., Mirza, D., Cherqui, D., Klempnauer, J., Salizzoni, M., Pratschke, J., Jamieson, N., et al. (2018) · Transplant International · doi:10.1111/tri.13358 · Cited by 498
Self-citationSystematic Review and Validation of Prognostic Models in Liver Transplantation
Jacob, M., Lewsey, J. D., Sharpin, C., Gimson, A., Rela, M., & van der Meulen, J. H. P. (2005) · Liver Transplantation · doi:10.1002/lt.20456 · Cited by 68
New Developments and Challenges in Liver Transplantation
Khalil, A., Quaglia, A., Gélat, P., Saffari, N., Rashidi, H., & Davidson, B. (2023) · Journal of Clinical Medicine · doi:10.3390/jcm12175586 · Cited by 40
Metadata
- Authors
- Adam, R., Cailliez, V., Majno, P., Karam, V., McMaster, P., Calne, R. Y., O'Grady, J., Pichlmayr, R., Neuhaus, P., Otte, J.-B., Hoeckerstedt, K., & Bismuth, H.
- Venue
- The Lancet
- Publisher
- Elsevier BV
- Published
- 2000-08
- Volume
- 356
- Issue
- 9230
- Pages
- 621-627
- ISSN
- 0099-5355 (ISSN-L)
- 0140-6736
- OpenAlex
- W1988060050
- Cited by
- 269
- References
- 0
- FWCI
- 16.73
- Type
- journal article
- Language
- en
- Open access
- green
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- Adam, R., Cailliez, V., Majno, P., Karam, V., McMaster, P., Calne, R. Y., O'Grady, J., Pichlmayr, R., Neuhaus, P., Otte, J.-B., Hoeckerstedt, K., & Bismuth, H. (2000). Normalised intrinsic mortality risk in liver transplantation: European Liver Transplant Registry study. The Lancet. https://doi.org/10.1016/s0140-6736(00)02603-9
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