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Bone and Mineral Disease in Kidney Transplant Recipients.

ABSTRACT: After kidney transplantation, mineral and bone disorders are associated with higher risk of fractures and consequent morbidity and mortality. Disorders of calcium and phosphorus, vitamin D deficiency, and hyperparathyroidism are also common. The epidemiology of bone disease has evolved over the past several decades due to changes in immunosuppressive regimens, mainly glucocorticoid minimization or avoidance. The assessment of bone disease in kidney transplant recipients relies on risk factor recognition and bone mineral density assessment. Several drugs have been trialed for the treatment of post-transplant mineral and bone disorders. This review will focus on the epidemiology, effect, and treatment of metabolic and skeletal derangements in the transplant recipient.

SUBMITTER: Khairallah P

PROVIDER: S-EPMC8763144 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature

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Bone and Mineral Disease in Kidney Transplant Recipients.

Khairallah Pascale P Nickolas Thomas L TL

Clinical journal of the American Society of Nephrology : CJASN 20210614 1

After kidney transplantation, mineral and bone disorders are associated with higher risk of fractures and consequent morbidity and mortality. Disorders of calcium and phosphorus, vitamin D deficiency, and hyperparathyroidism are also common. The epidemiology of bone disease has evolved over the past several decades due to changes in immunosuppressive regimens, mainly glucocorticoid minimization or avoidance. The assessment of bone disease in kidney transplant recipients relies on risk factor rec ...[more]

PMID: 34127484

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Project description:Background and objectivesMineral and bone disorders (MBDs) are common in long-term dialysis patients and are risk factors for unfavorable outcomes. The associations between pretransplant levels of MBD surrogates and outcomes after kidney transplantation are not clear.Design, setting, participants, & measurementsData from the Scientific Registry of Transplant Recipients up to June 2007 were linked to the 5-year (July 2001-June 2006) cohort of a large dialysis organization in the United States. All dialysis patients who received a kidney transplant during this period were identified and divided into groups according to increments of pretransplant MBD markers. Unadjusted and multivariate adjusted predictors of transplant outcomes were examined.ResultsThe 11,776 patients were aged 47 ± 14 years and 39% were women. Compared with recipients with pretransplant time-averaged serum alkaline phosphatase of 80-120 U/L, recipients with pretransplant serum alkaline phosphatase of 120-160 and ≥160 U/L had 49% and 64% higher graft failure censored all-cause mortality in multivariable adjusted models. There was no significant association between time-averaged serum alkaline phosphatase categories and risk of death censored graft failure, delayed graft function (DGF), or acute rejection (AR). Compared with recipients with pretransplant time-averaged serum parathyroid hormone (PTH) levels of 150-300 pg/ml, there was no significant association with graft censored death among recipients with pretransplant serum PTH ≥800 pg/ml. In addition, the risk of graft failure, DGF, and AR did not show any association with time-averaged serum intact PTH level. There was no significant association between time-averaged serum calcium categories and risk of graft failure censored death, DGF, and AR.ConclusionsIn this cohort, hemodialysis patients with pretransplant serum alkaline phosphatase >120 U/L have unfavorable post-transplant mortality, whereas there was no association between serum PTH and serum calcium levels and post-transplant outcomes.

Dataset Information

Bone and Mineral Disease in Kidney Transplant Recipients.

Publications

Bone and Mineral Disease in Kidney Transplant Recipients.

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