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1.
Clin Transplant ; 35(10): e14435, 2021 10.
Artigo em Inglês | MEDLINE | ID: mdl-34292634

RESUMO

Simultaneous pancreas and kidney (SPK) transplantation, in uremic women with insulin-dependent diabetes, increases the chance of a successful pregnancy and minimizes the risk to infants. The aim of this study was to document pregnancy and explore the challenges in this cohort of women. Retrospective analysis of women who underwent pancreas transplantation between January 1, 1998 and 8 January, 2019 was conducted. Seventeen pregnancies were identified in 13 women. Mean transplant-to-pregnancy interval was 4.6 years (range, 1.1-10.2 years). Eleven pregnancies resulted in live birth (65%), and six (35%) ended in miscarriage/fetal loss at a median gestational age of 8.5 weeks. Mean gestational age at delivery was 34.9 weeks (SD ±3 weeks). Preeclampsia and C-section rates were 77% and 67%, respectively. Adverse fetal and graft outcomes were observed in 100% of unplanned pregnancies, compared to 10% of planned pregnancies (P < .001). One kidney allograft was lost during pregnancy; one pancreas and two kidney allografts were lost within 3 years of pregnancy. This is a high-risk group for grafts and offspring. Pre-pregnancy planning is vital. A multidisciplinary approach by obstetric and transplant teams is important pre-pregnancy, antenatally, and peripartum. This is the largest published series of pregnancies in SPK recipients from a single center.


Assuntos
Diabetes Mellitus Tipo 1 , Transplante de Rim , Transplante de Pâncreas , Diabetes Mellitus Tipo 1/cirurgia , Feminino , Sobrevivência de Enxerto , Humanos , Lactente , Pâncreas , Gravidez , Resultado da Gravidez , Estudos Retrospectivos
2.
Clin Kidney J ; 13(1): 111-112, 2020 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-32082559

RESUMO

Severe and life-threatening hypercalcaemia can develop in haemodialysis patients dialysed against a dialysate with a high calcium concentration, the so-called hard water syndrome. Here we describe the development of hard water syndrome in 30 patients following sequential failure of the reverse osmosis unit and water softeners. Serum calcium levels rose from 2.43 ± 0.19 to 3.92 ± 0.51 mmol/L after exposure. All patients required emergency haemodialysis and four acutely deteriorated, one of whom was 24 weeks pregnant. This is the largest reported series of patients affected by this rare and severe condition. This event led to the introduction of processes to minimize future risks.

3.
Exp Clin Transplant ; 18(1): 27-33, 2020 02.
Artigo em Inglês | MEDLINE | ID: mdl-31180297

RESUMO

OBJECTIVES: Posttransplant anemia affects 30% to 45% of kidney transplant recipients and is associated with increased morbidity. However, there is lack of evidence about safe hemoglobin levels after erythropoietin treatment. Studies are needed to better understand the potential benefits and risks, as well as to define safe target hemoglobin ranges in these patients. MATERIALS AND METHODS: In this single-center exploratory, open-label randomized controlled trial, kidney trans-plant recipients with anemia 3 months posttransplant were either treated with epoetin beta to a hemoglobin target level of 11.5 to 13.5 g/dL (n = 28) or given no treatment (n = 27). Treatment effects on graft function and health quality of life were assessed. RESULTS: After 2 years, hemoglobin concentrations were significantly higher in the epoetin beta treatment group than in the no treatment group (12.3 ± 0.18 vs 9.99 ± 0.22 g/dL; P < .0001). Estimated glomerular filtration rate, calculated by Modified Diet in Renal Disease 7, declined by 1.7 mL/min (interquartile range, -6 to 4.24) in the epoetin treatment group and by 4.16 mL/min (interquartile range, -12.42 to 2.78) in the no treatment group (P = .32). Rate of progression, determined by estimated glomerular filtration rate slope, was not significantly different between groups (-0.09 ± 0.1 vs -0.12 ± 0.15 mL/min for treated vs not treated; P = .78). Moreover, we observed no significant differences in proteinuria and blood pressure. Treated patients had greater improvements in the vitality and mental health domains of the Medical Outcomes Short Form Health Survey quality of life scores. CONCLUSIONS: Treatment of anemia in kidney transplant recipients to a hemoglobin level of 11.5 to 13.5 g/dL with erythropoietin improves some quality of life scores. The treatment was safe and not associated with adverse outcomes. There were no changes in rate of decline of graft function.


Assuntos
Anemia/tratamento farmacológico , Eritropoetina/uso terapêutico , Hematínicos/uso terapêutico , Transplante de Rim/efeitos adversos , Qualidade de Vida , Insuficiência Renal Crônica/etiologia , Anemia/sangue , Anemia/diagnóstico , Anemia/etiologia , Biomarcadores/sangue , Progressão da Doença , Eritropoetina/efeitos adversos , Feminino , Taxa de Filtração Glomerular , Hematínicos/efeitos adversos , Hemoglobinas/metabolismo , Humanos , Rim/fisiopatologia , Londres , Masculino , Pessoa de Meia-Idade , Proteínas Recombinantes/efeitos adversos , Proteínas Recombinantes/uso terapêutico , Insuficiência Renal Crônica/diagnóstico , Insuficiência Renal Crônica/fisiopatologia , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento
4.
Clin Med (Lond) ; 15(5): 431-6, 2015 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-26430180

RESUMO

Acute kidney injury (AKI) is common in hospitalised patients but is known be suboptimally managed; the National Confidential Enquiry into Patient Outcomes and Death (NCEPOD) report in 2009 identified significant failings in AKI care. An audit, using standards suggested by the NCEPOD report, of all adult inpatients with AKI in a large central-London NHS hospital in a 7-day period in 2011 showed poor recognition and management of AKI. In response, an AKI 'care bundle' was developed and deployed throughout the hospital along with a programme of enhanced education. Re-audit in 2013 showed that AKI was significantly more likely to have been recognised by the clinical team than in 2011, and patients with AKI were significantly more likely to have had fluid status clinically assessed and nephrotoxic medication stopped in 2013 than in 2011. There was no significant improvement in fluid administration if assessed as hypovolaemic and compliance with the guideline for prevention of contrast nephropathy. In 2011, all audit measures were met in 3.7% of patient-days versus 8.4% in 2013. More in-depth work is necessary to better understand the factors which limit optimal care.


Assuntos
Injúria Renal Aguda/terapia , Pacotes de Assistência ao Paciente , Injúria Renal Aguda/diagnóstico , Idoso , Auditoria Clínica , Feminino , Humanos , Masculino
5.
Transplantation ; 92(12): 1316-21, 2011 Dec 27.
Artigo em Inglês | MEDLINE | ID: mdl-22075530

RESUMO

BACKGROUND: Clinical studies suggest that the immunosuppressant mycophenolate mofetil is associated with anemia. However, the mechanism for this is not known. Here, we studied the effect of mycophenolic acid (MPA), the active metabolite of mycophenolate mofetil, on erythropoiesis in vitro. METHODS: Both UT-7 cells and primary murine bone marrow cells were studied. Cells were initially treated with erythropoietin and MPA and proliferation and caspase-3 assays were performed. The effect of guanosine-5'-triphosphate, guanosine, and caspase inhibitors was also investigated. RESULTS: MPA was found to decrease the proliferation of UT-7 cells and erythropoiesis in murine bone marrow cells. This inhibition was associated with an increase in caspase-3 activity in the UT-7 cells. Inhibition was reversed in UT-7 cells and in murine bone marrow by guanosine, but not by caspase inhibitors. The apoptosis induced by MPA was also reversed by guanosine. UT-7 cells treated with MPA showed a decreased inosine-5'-monophosphate dehydrogenase activity. CONCLUSION: These results suggest that MPA inhibits inosine-5'-monophosphate dehydrogenase activity in erythroid cells and that this is a likely mechanism of action of anemia in MPA-treated patients.


Assuntos
Inibidores Enzimáticos/efeitos adversos , Hematopoese/efeitos dos fármacos , IMP Desidrogenase/antagonistas & inibidores , Ácido Micofenólico/efeitos adversos , Adulto , Anemia/sangue , Anemia/induzido quimicamente , Anemia/patologia , Animais , Células da Medula Óssea/citologia , Células da Medula Óssea/efeitos dos fármacos , Caspase 3/análise , Diferenciação Celular/efeitos dos fármacos , Proliferação de Células/efeitos dos fármacos , Células Cultivadas , Inibidores Enzimáticos/metabolismo , Eritropoetina/farmacologia , Feminino , Humanos , Camundongos , Ácido Micofenólico/análogos & derivados , Ácido Micofenólico/metabolismo , Adulto Jovem
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