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    Evaluation of Cases of Graft Nephrectomy After Graft Loss in Patients With Renal Transplantation
    (Elsevier Science Inc, 2018) Ustun, M.; Alci, E.; Budak, S.; Demir, H. B.; Yucel, C.; Sen, S.; Yilmaz, M.; Toz, H.
    Introduction. Renal transplantation is undoubtedly considered the best renal replacement therapy. Graft nephrectomy can be performed in patients with renal transplantation because of complications associated with the failed graft. We aimed to retrospectively investigate the characteristics of patients who underwent graft nephrectomy. Materials and Methods. Between January 2000 and November 2013, the records of 757 patients who had renal transplantation in Ege University Faculty of Medicine Hospital Nephrology-Transplantation outpatient clinic were examined. Sixty-four patients who underwent graft nephrectomy were included in the study. Patients were divided into 2 groups according to the timing of graft nephrectomy. The group of 30 patients who underwent graft nephrectomy in the first 56 days after the renal transplantation was referred to as the "early group" and the group of 34 patients who underwent graft nephrectomy after 56 days was referred to as "late group." Results. In our study, we found the body mass index to be significantly higher in those with early graft loss (P = .02). We found that there was a difference between the groups in terms of sex (P = .012). When the mortality and morbidity rates after graft nephrectomy were examined, mortality was observed in 3 of the 64 patients in the study and morbidity in 1 patient. Conclusion. According to our study, the body mass indices and ages of the subjects who need early graft nephrectomy are higher. However, male sex was significantly more prevalent in patients who underwent graft nephrectomy in the late period compared with the early period.
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    Genotype x environment interaction and stability analysis for dry matter and seed yield in field pea (Pisum sativum L.)
    (Spanish Natl Inst Agricultural & Food Research & Technolo, 2009) Acikgoz, E.; Ustun, A.; Gul, I.; Anlarsal, E.; Tekeli, A. S.; Nizam, I.; Avcioglu, R.; Geren, H.; Cakmakci, S.; Aydinoglu, B.; Yucel, C.; Avci, M.; Acar, Z.; Ayan, I.; Uzun, A.; Bilgili, U.; Sincik, M.; Yavuz, M.
    The objectives of this study were to evaluate dry matter (DM) yield and seed yield of six leafed and semi-leafless pea (Pisum sativum L.) genotypes, and to compare them for these traits. Evaluation of genotype x environment (G x E) interaction, stability and cluster analysis were also carried out at eight diverse locations with typical Mediterranean and Mediterranean-type climate during the 2001-2002 and 2002-2003 growing seasons. Significant differences were found among the pea genotypes for DM and seed yield on individual years and combined over years, and in all locations. All interactions which related to G x E interaction showed significance (P>0.001) for DM and seed yield. The highest yield (4789 kg ha(-1)) was obtained from the leafed genotype 'Urunlu'. However, stability analysis indicated that for DM yield, the leafed genotypes 'Golyazi' and 'Urunlu' should be grown in low yielding and high yielding environments, respectively. Cluster analysis, based on grouping locations, showed that P101 was the preferred variety in low yielding environments, and P98, in high yielding ones. It was suggested that the use of both stability and cluster analyses might give better results. Comparison of cluster and stability analyses showed that the stability analysis fails to recommend cultivars to different regions where yield potential showed significant differences. It seems, however, that cluster analysis could be a powerful tool to examine G x E interaction. If the number of environments was sufficient, a separate stability analysis could be run in each cluster.