Publications by authors named "Hernandez-Marrero D"

: Post-transplant diabetes mellitus (PTDM) and prediabetes (PreDM) are common after renal transplantation and increase the risk of cardiovascular events and mortality. Compared to immediate-release tacrolimus (IR-Tac), the LCPT formulation, with delayed absorption, offers higher bioavailability and a smoother time-concentration curve, potentially reducing beta-cell stress. : This randomized pilot trial compared de novo immunosuppression with IR-Tac (twice daily) and LCPT (once daily).

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Renal transplantation improves the survival and quality of life of patients with end-stage renal disease. Cardiovascular disease is the leading cause of morbidity and mortality in renal transplant recipients. The bidirectional relationship between renal and heart disease creates a unique clinical scenario that demands a comprehensive and personalized approach.

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Article Synopsis
  • Autosomal polycystic kidney disease (ADPKD) is a genetic condition leading to kidney failure, with tolvaptan being the only approved treatment, but it's only for those with rapid disease progression.
  • A study assessed the accuracy of estimating GFR decline through serum creatinine and cystatin-C formulas, noting poor agreement with actual measured GFR declines using iohexol clearance.
  • This discrepancy means that about 37% of rapid GFR declines were missed, and many stable cases were wrongly identified as rapid progressors, which could lead to incorrect treatment decisions for tolvaptan therapy.
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The error of estimated glomerular filtration rate (eGFR) and its consequences in predialysis are unknown. In this prospective multicentre study, 315 predialysis patients underwent measured GFR (mGFR) by the clearance of iohexol and eGFR by 52 formulas. Agreement between eGFR and mGFR was evaluated by concordance correlation coefficient (CCC), total deviation index (TDI) and coverage probability (CP).

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Ocular associations in Mowat-Wilson syndrome (MWS) are rare. Those involving the anterior segment are scarce in the literature. We describe a child with genetic confirmation of MWS that presented with acquired onset of unilateral anterior iris adhesions with no known trauma.

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Background: Sodium-glucose cotransporter-2 inhibitors (SGLT2is) have cardioprotective and renoprotective effects. However, experience with SGLT2is in diabetic kidney transplant recipients (DKTRs) is limited.

Methods: This observational multicentre study was designed to examine the efficacy and safety of SGLT2is in DKTRs.

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The atypical hemolytic-uremic syndrome (aHUS) is characterized by the triad of non-immune hemolytic anemia, thrombocytopenia, and acute renal failure. The aHUS is related to complement dysregulation; since the approval of eculizumab for this entity (a monoclonal antibody that inhibits C5 activation and blocks the formation of the membrane attack complex) the prognosis has improved. The recurrence of aHUS after kidney transplantation is frequent and implies loss of the graft in a high percentage of cases.

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Normothermic regional perfusion (NRP) allows the in situ perfusion of organs with oxygenated blood in donation after the circulatory determination of death (DCDD). We aimed at evaluating the impact of NRP on the short-term outcomes of kidney transplants in controlled DCDD (cDCDD). This is a multicenter, nationwide, retrospective study comparing cDCDD kidneys obtained with NRP versus the standard rapid recovery (RR) technique.

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Visceral leishmaniasis is a disease caused by the protozoan Leishmania and is transmitted by Lutzomyia longipalpis (sand fly). It is an endemic parasitic infection in numerous areas around the Mediterranean basin. Though immunocompetent patients may not develop the disease, in transplant recipients the use of corticoids and intensified immunosuppressants to prevent graft rejection may accelerate the disease, causing severe damage to the liver, spleen, and hematopoietic system.

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Hepatitis C (HC) is a very relevant negative prognosis factor for graft and transplant recipient survival. New direct-acting antivirals (DAAs) allow us to solve this problem in an effective way. It is crucial to understand their real impact in our daily practice.

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Background: Patients with chronic kidney disease (CKD) have a high symptoms burden that is related to a poor health-related quality of life (HRQoL) and high costs of care. Validated instruments may be useful for assessing the symptoms and monitoring outcomes in these patients. The Palliative care Outcome Scale-Symptoms Renal (POS-S Renal) is a patient-reported outcome measure for assessing symptoms in CKD stage 4-5.

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Background: C3 glomerulonephritis (C3GN) is an unusual entity that is caused by dysregulation and hyperactivity of the alternative complement pathway. Renal biopsy immunofluorescence study shows C3 deposits with absence of immunoglobulins and markers of the classical complement pathway. More than 50% of cases develop end-stage renal disease.

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Background: Induction therapy for simultaneous pancreas-kidney (SPK) transplantation. Both thymoglobulin (ATG) and basiliximab are the most-used types of induction antibodies therapies in clinical practice. The aim of our report was to analyze our experience comparing 2 induction therapies, for SPK transplantation in terms of pancreas and patient survival, as well as rejection rate.

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Background: Pancreas transplantation offers excellent outcomes today in patients who have type-1 diabetes mellitus (DM) with difficult control in terms of increasing patient and pancreatic graft survival. Different factors in donors, recipients, and the perioperative period have been associated with long-term graft survival. The aim of this study was to compare pancreatic graft survival in simultaneous pancreas-kidney transplantation (SPK) and the other two modalities, pancreas-alone and pancreas-after-kidney transplantation (non-SPK), at our institution.

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Objective: To assess the antiproteinuric response to multifactorial treatment based on high doses of angiotensin II receptor antagonists (ARBs) (olmesartan) in patients with non-diabetic proteinuric nephropathies, according to three renin-angiotensin system (RAS) polymorphisms: insertion/deletion of the angiotensin converting enzyme (ACE) gene, the angiotensinogen gene M235T and the angiotensin II type 1 receptor (AT1R) A1166C.

Material And Method: We studied 53 patients with non-diabetic proteinuric nephropathy with a mean progression time of 84.4±15 months.

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Kidney transplantation (KT) with kidneys from non-beating-heart donors (NBHD) is a growing trend in Spain. The majority of these kidneys come from type II Maastricht patients, although in recent years, organ donations from patients awaiting cardiac arrest following limitation of life-sustaining therapy has already been in practice in certain European and North American countries, involving type III Maastricht patients. We present a series of 6 KT using kidneys from NHBD as a consequence of limitation of life-sustaining therapy in three different hospitals in the sector of Malaga.

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Background: Vascular graft thrombosis (VGT) is still the achuilles heel in pancreas transplantation (PT); it is the main cause of nonimmunologic graft loss. Early diagnosis is essential to avoid transplantectomy. The aim of our study was to analyze the peak amylase during the first 3 days after PT as risk factor for VGT.

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Despite advances in the pharmacological treatment of arterial hypertension (AHT) and the use of multiple antihypertensive drugs, a small but significant percentage of true severe refractory arterial hypertension patients are still not reaching their target blood pressure. In these cases, renal sympathetic denervation (RSD) seems to be a safe and effective method for severe hypertensive patients who are resistant to multiple drug treatment. We present the case of a 52-year-old patient diagnosed with essential hypertension, resistant to treatment with seven antihypertensive drugs.

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Background: Hypothetically, the greater the blockade of angiotensin AT1 receptors from ultra-high doses of angiotensin receptors blockers (ARB), the greater the expected renoprotection effects. The aim of our study was to evaluate the effects of ultra-high doses of irbesartan on proteinuria and renal function in diabetics with established or overt diabetic nephropathy (ODN).

Material And Method: Ours was a prospective, non-randomised 3-year follow-up study, using a multifactorial therapeutic approach based on irbesartan 600mg daily.

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Cirrhosis represents a late stage of hepatic fibrosis and leads to high morbidity and mortality, and the most frequent complication is ascites. Only a few patients with advanced cirrhosis have 'refractory ascites' and do not respond to conventional treatment. Repeated paracentesis for evacuation is considered the treatment of choice in these cases.

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Introduction: Plasmapheresis (PP) is a therapeutic apheresis technique used in the treatment of various renal and systemic diseases with varying degrees of proven clinical efficacy.

Objective: To review our experience with PP at the Hospital Universitario de Canarias, focused on effectiveness and safety results in different disease groups.

Material And Methods: A retrospective-descriptive study of patients treated with PP from 01/01/2006 to 31/12/2009 at the hospital.

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