Acute kidney injury (AKI) is not recognized as a major complication at the maintenance phase after kidney transplantation (KTx). Moreover, it is not clear whether the onset of AKI leads to graft failure. We examined the incidence of AKI that developed three months or later after KTx at our institute. We examined whether the incidence of AKI defined by the Risk of renal dysfunction, Injury to the kidney, Failure of kidney function, Loss of kidney function and End-stage kidney disease criteria associates with graft failure by matched-pair Cox regression analysis. A total of 289 patients were available for the final analysis. The overall incidence of AKI was 20.4%, and the common etiology of AKI was bacterial infectious diseases. The group that developed AKI had significantly lower graft survival than non-AKI group independently of acute rejection. AKI Risk represented a high risk for graft failure and AKI Injury/Failure represented a higher risk for graft failure. The analysis by the AKIN classification yielded the similar results. These results indicate that AKI is a relatively common complication of KTx and represents the major risk for graft failure. We should make every effort in the prevention and early detection to avoid the occurrence of AKI and the subsequent graft failure after KTx.
Combined liver-kidney transplantation (CLKT) is well established as a definitive therapy with the potential to provide complete recovery for certain liver-kidney diseases, although the results might be contingent on the cause of transplantation. The purposes of the present study were to review the longterm outcome of renal allografts in CLKT patients from single living donors and to investigate the beneficial factors, compared with solitary renal transplantation. Thirteen patients underwent sequential liver transplantation (LT) and kidney transplantation (KT) from single living donors. The indications for KT were oxaluria (n = 7), autosomal recessive polycystic disease (n = 3), and others (n = 3). The same immunosuppressive regimen used after LT was also used after KT. KT was performed between 1.7 and 47.0 months after the LT. The overall patient survival rate was 92.3% at 10 years. In 12 of the 13 surviving patients, the renal allografts were found to be functioning in 11 patients after a mean follow-up period of 103.6 months. The death-censored renal allograft survival rate at 10 years was 100%, which was better than that of KT alone (84.9%) in Japan. Immunological protection conferred by the preceding liver allograft may have contributed to the longterm outcomes of the renal allografts. In addition, the donation of double organs from a single living and related donor may have a favorable impact on the graft survival rate. In the future, investigations of factors affecting the longterm outcome of renal allografts, including details of the involvement of de novo donor-specific antibody, will be needed. Liver Transplantation 23 315-323 2017 AASLD.
Laparoscopic donor nephrectomy was safely introduced and established in a single institution with the help of the hand-assistance method.
We aimed to examine the association between the maximum intima-media thickness of the carotid artery (Max IMT) and renal prognosis, considering their potential interaction with age. Methods: Survival analyses were performed in 112 patients with chronic kidney disease (CKD), to assess renal prognosis, with the endpoint defined as a ≥ 30% decline in estimated glomerular filtration rate (eGFR) or endstage renal disease. Results: During a median follow-up of 12.5 years, 44 participants reached the study endpoint. The major determinant of Max IMT was the maximum IMT of the internal carotid artery (Max ICA-IMT), which was the distribution ratio of 50.0% of Max IMT. Kaplan-Meier analyses showed that Max IMT ≥ 1.5 mm was significantly associated with renal prognosis when age and eGFR were matched. On multivariate Cox regression analysis, Max IMT was significantly associated with the renal outcomes and had a significant interaction with the age categories (≥ 65 years or 65 years) (P 0.0153 for interaction). A 1-mm increase in Max IMT was significantly associated with disease progression in the sub-cohort 65 years age-category, but not in the ≥ 65 years age-category; similarly the hazard ratio (HR) in the 65 years age-category was higher than in the ≥ 65 years age-category (HR: 2.52 vs. 0.95). Comparable results were obtained for Max ICA-IMT, Max bulb-IMT, but not for Max common carotid artery-IMT. Conclusions: A higher Max IMT was a significant renal prognosis factor in patients with CKD aged 65 years. Our results may provide new insights into treating CKD. value to the Framingham risk score. In a Japanese study of 1,358 men aged 60 to 74 years 2) , those with Max IMT ≥ 1.5 mm had a 3-fold higher risk of stroke than those with Max IMT 1.5 mm. Furthermore, among patients with coronary artery disease with a maximum IMT of the common carotid artery (Max CCA-IMT) ≥ 1.1 mm, progression of the Max CCA-IMT was associated with future coronary events 4). Recently, Polak et al. 6) made the assertion that ICA-IMT and CCA-IMT represent different phenotypes, Copyright©2020 Japan Atherosclerosis Society This article is distributed under the terms of the latest version of CC BY-NC-SA defined by the Creative Commons Attribution License.
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