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1.
Clin Transplant ; 33(5): e13517, 2019 05.
Artículo en Inglés | MEDLINE | ID: mdl-30844090

RESUMEN

BACKGROUND: Short-term survival after kidney transplantation is excellent, but long-term survival remains low and is equivalent to non-end-stage renal disease patients with many invasive malignancies. The aim of the study was to explore vitamin D status in the early phase after transplantation as a prognostic marker for long-term graft and patient survival. METHODS: All first-time kidney transplant recipients between October 2007 and October 2012 in Norway were included. Vitamin D was measured 10 weeks post-transplant. Information on graft failure and death was obtained from the Norwegian Renal Registry. RESULTS: Seven hundred and sixty-two first-time kidney transplant recipients were included, with a median age of 57 years and a median follow-up of 82 months. In the follow-up period, there were 172 graft failures (23%) and 118 deaths (15%). Eighty-six percent of the transplant recipients with sufficient vitamin D levels were alive with a well-functioning graft after 5 years using Kaplan-Meier survival estimates, compared with 79% and 76% of the patients with vitamin D deficiency and insufficiency, respectively (P = 0.006). CONCLUSION: In a nation-wide cohort of 762 first-time kidney transplant recipients, long-term graft and patient survival were better in recipients with vitamin D sufficiency 10 weeks post-transplant compared with those with vitamin D deficiency and insufficiency.


Asunto(s)
Rechazo de Injerto/mortalidad , Fallo Renal Crónico/mortalidad , Trasplante de Riñón/mortalidad , Complicaciones Posoperatorias/mortalidad , Deficiencia de Vitamina D/sangre , Vitamina D/sangre , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Estudios de Seguimiento , Tasa de Filtración Glomerular , Rechazo de Injerto/sangre , Rechazo de Injerto/epidemiología , Supervivencia de Injerto , Humanos , Incidencia , Fallo Renal Crónico/sangre , Fallo Renal Crónico/cirugía , Pruebas de Función Renal , Masculino , Persona de Mediana Edad , Noruega/epidemiología , Complicaciones Posoperatorias/sangre , Complicaciones Posoperatorias/epidemiología , Pronóstico , Estudios Prospectivos , Factores de Riesgo , Tasa de Supervivencia , Receptores de Trasplantes , Deficiencia de Vitamina D/complicaciones , Deficiencia de Vitamina D/epidemiología , Adulto Joven
2.
BMJ Open Sport Exerc Med ; 3(1): e000241, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-29147573

RESUMEN

BACKGROUND: Exercise-induced rhabdomyolysis denotes the exertional damage of myocytes with leakage of sarcoplasmic content into the circulation. The purpose of this study was to determine important risk factors for the development of exertional rhabdomyolysis in a temperate climate and to study the renal effects of myoglobinuria. METHODS: A cluster of eight military recruits was admitted to hospital due to exertional rhabdomyolysis with myoglobinuria. The patients were treated according to current guidelines with isotonic saline and alkalinisation of the urine. The eight patients were compared with a randomly selected control group of 26 healthy fellow recruits. All subjects responded to a standardised questionnaire. RESULTS: There were little differences in baseline characteristics between patients and controls. In the present study, exercise intensity, duration and type were all significant determinants of exertional rhabdomyolysis in univariate models. However, in a multivariate model, high exercise intensity on day -1 was the only significant predictor of rhabdomyolysis (p=0.02). All patients had a stable serum creatinine and cystatin C. There was a significant increase in serum neutrophil gelatinase-associated lipocalin (NGAL) in the patients, suggesting renal stress. CONCLUSIONS: Sustained maximal intensity exercise is a crucial risk factor for rhabdomyolysis with gross pigmenturia. Elevated serum NGAL concentrations indicate the presence of renal stress. It appears to be possible to quantify the risk of rhabdomyolysis by means of a simple questionnaire. In the future, this may be used as a tool to prevent rhabdomyolysis.

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