Carolt Arana

ORCID: 0000-0003-1100-5758
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About
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Research Areas
  • Renal Diseases and Glomerulopathies
  • Renal Transplantation Outcomes and Treatments
  • Parathyroid Disorders and Treatments
  • CAR-T cell therapy research
  • Dialysis and Renal Disease Management
  • Organ Transplantation Techniques and Outcomes
  • Organ Donation and Transplantation
  • Magnesium in Health and Disease
  • Amyloidosis: Diagnosis, Treatment, Outcomes
  • Bone health and treatments
  • Healthcare cost, quality, practices
  • Nursing care and research
  • Pharmacological Effects and Toxicity Studies
  • Salivary Gland Disorders and Functions
  • Systemic Sclerosis and Related Diseases
  • Otitis Media and Relapsing Polychondritis
  • COVID-19 Impact on Reproduction
  • Renal and related cancers
  • Muscle and Compartmental Disorders
  • Genetic Syndromes and Imprinting
  • Interpreting and Communication in Healthcare
  • Health, Education, and Physical Culture
  • Gout, Hyperuricemia, Uric Acid
  • Chronic Kidney Disease and Diabetes
  • Chemotherapy-related skin toxicity

Fundació Clínic per a la Recerca Biomèdica
2023-2025

Consorci Institut D'Investigacions Biomediques August Pi I Sunyer
2022-2025

Hospital Clínic de Barcelona
2022-2024

Fundació de Recerca Clínic Barcelona-Institut d’Investigacions Biomèdiques August Pi i Sunyer
2023-2024

Universitat de Barcelona
2024

Areté Associates (United States)
2023

Puigvert Foundation
2019-2022

Antenor Orrego Private University
2020-2021

Coronavirus disease 2019 (COVID-19) predisposes patients to bacterial and fungal superinfections due the impairment of immunological system. Among associated opportunistic infections, mucormycosis is one least frequent but with highest mortality. We describe two cases in kidney transplant recipients, while they were hospitalized for SARS-CoV-2 pneumonia, rhinosinusal musculoskeletal involvement, respectively.

10.1111/tid.13652 article EN Transplant Infectious Disease 2021-05-26

C3 glomerulopathy is a rare disease caused by fluid phase dysregulation of the alternative complement pathway. Currently, treatment depends on clinical and histological severity includes nephroprotection, unspecific immunosuppression terminal blockers (C5), without having an etiological approved. has high recurrence rates after kidney transplantation with risk graft loss. Fortunately, new molecules are being developed that specifically target proximal pathway, such as iptacopan, factor B...

10.1016/j.xkme.2024.100823 article EN cc-by Kidney Medicine 2024-04-12

Ischemia-reperfusion injury (IRI) upon transplantation is one of the most impactful events that kidney graft suffers during its life. Its clinical manifestation in recipient, delayed function (DGF), has serious prognostic consequences. However, different definitions DGF are subject to physicians' choices and centers' policies, a more objective tool quantify IRI needed. Here, we propose use donor-derived cell-free DNA (ddcfDNA) for this scope.

10.1093/ndt/gfad120 article EN Nephrology Dialysis Transplantation 2023-09-14

The introduction of donor-derived free DNA (ddcfDNA) has emerged as an accurate non-invasive biomarker to diagnose rejection, compared classical ones. Here we evaluate our experience after its implementation in center in-house technique. Single-center cross-sectional study with extraction cell-free blood and quantification the ddcfDNA using AlloSeqcfDNA assay (CareDx) at time performing biopsies 'per protocol' or indication' between December 2020 2023. 172 graft were included (59 for...

10.1016/j.nefroe.2025.03.004 article EN cc-by-nc-nd Nefrología (English Edition) 2025-04-01

ABSTRACT Tubuloids have become a promising tool for kidney disease model and regeneration, although their ability integration regeneration in vivo is not well documented. Here we establish, characterize compare human tubuloids using two optimized protocols, which added prior isolation of tubular cells (Crude tubuloids) proximal (F4 tubuloids). Secondly, this protocol, healthy rat-derived were established. Finally, compared strategies to deliver GFP host: 1) subcapsular/intracortical...

10.1101/2025.04.10.648123 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2025-04-16

The presence of donor‐specific antibodies (DSA), mainly against HLA, increases the risk allograft rejection. Moreover, antibody‐mediated rejection (ABMR) remains an important barrier to optimal long‐term outcomes after solid organ transplantation. development chimeric autoantibody receptor T lymphocytes has been postulated for targeted therapy autoimmune diseases. We aimed develop a DSA desensitization and ABMR, generating cells with HLA antibody (CHAR) that specifically eliminates...

10.1111/tan.15156 article EN cc-by-nc HLA 2023-07-28

Tacrolimus is pivotal in pancreas transplants but poses challenges maintaining optimal levels due to recipient differences. This study aimed explore the utility of time spent below therapeutic range and intrapatient variability predicting rejection

10.3389/ti.2024.12591 article EN cc-by Transplant International 2024-04-17

El hiperparatiroidismo secundario es uno de los componentes integrales las alteraciones del metabolismo óseo-mineral en la enfermedad renal crónica (ERC) o complejo chronic kidney disease-mineral bone disorder. Se ha demostrado que el desarrollo y progresión intervienen muchos factores, estrechamente interrelacionados, pero presencia e importancia hiporrespuesta (o resistencia) a acción hormona paratiroidea (PTH) poco comprendida. En esta revisión analizaremos sus antecedentes, factores...

10.1016/j.nefro.2020.12.019 article ES cc-by-nc-nd Nefrología 2021-05-10

ABSTRACT Background Renal transplant recipients with donor-specific anti-HLA antibodies are at an increased risk of antibody-mediated rejection (ABMR). Early protocolized renal biopsies may serve as a strategy to improve diagnosis in this patient population. Methods We evaluated 155 highly sensitized cPRA class I + II >90% pre-transplant from 2015 2022. Patients protocol within the first 2 weeks post-transplant were included. Results A total 122 patients included study. Of these, 13...

10.1093/ndt/gfae186 article EN Nephrology Dialysis Transplantation 2024-09-10

Herpes virus infections is not uncommon in solid organ transplantation patients. We report 3 cases with primary simplex type-1 (HSV1) infection acute liver failure (ALF). This a rare and potentially fatal entity that could be donor-derived infection. Although the initial clinical presentation non-specific, it should considered as differential diagnosis HSV-negative serology patients empirical treatment must started combination drastic reduction of immunosuppression. A strategy HSV...

10.1016/j.idcr.2022.e01485 article EN cc-by IDCases 2022-01-01

Background The age of patients referred for kidney transplantation has increased progressively. However, the precise influence on transplant outcomes is controversial. Methods Etrospective study in which graft and recipient survival were assessed a cohort ≥75 years old recipients compared with contemporary younger one aged 60-65 through propensity score analysis. Results We included 106 between 57 median follow-up 31 [13-54] months. Unadjusted one- five-year did not significantly differ...

10.3389/fneph.2022.1034182 article EN cc-by Frontiers in Nephrology 2022-10-20

Se ha sugerido no usar «da ño» o «injuria» renal aguda por varias razones: 1) ausencia de tradición, 2) el término AKI es un cambio meramente cosmético pues se sigue definiendo la función y marcadores objetivos da ño, independientes función.Teóricamente sería posible que hubiera pacientes con deterioro agudo [IRA (AKI 1-3) FRA 3)] ño agudo, pero también sin IRA FRA. a Al describir los grados (categorías, estadios) ERC debería evitarse utilización del adjetivo «severa» utilizar «grave».Severa...

10.1016/j.nefro.2021.04.011 article ES cc-by-nc-nd Nefrología 2021-08-24

ABSTRACT This study reports a case of 13-year-old male with 3-year history severe and intermittent hypokalemia episodes unknown origin, requiring admission to the intensive care unit (ICU) for long QT syndrome (LQTS), finally diagnosed redistributive secondary abuse β-adrenergic agonists in context probable factitious disorder.

10.1590/2175-8239-jbn-2019-0020 article EN cc-by Brazilian Journal of Nephrology 2019-05-29

Aunque el fósforo es un elemento indispensable para la vida, en naturaleza no se encuentra estado nativo sino combinado forma de fosfatos inorgánicos (PO43−), con niveles plasmáticos estrechamente regulados que asocian a efectos deletéreos y mortalidad cuando estos encuentran fuera normalidad. El interés creciente sobre acúmulo PO43− fisiopatología humana originó papel le atribuyó patogenia del hiperparatiroidismo secundario enfermedad renal crónica. En este artículo revisamos los mecanismos...

10.1016/j.nefro.2021.12.005 article ES cc-by-nc-nd Nefrología 2022-01-07

Abstract Background and Aims BK virus allograft nephropathy (BKVN) can develop graft loss. The aim of this study was to describe viraemia BKVN related factors, our experience in treatment the impact survival. Method We introduce a retrospective cohort 78 kidney transplant recipients (KTRs) with BKV between January 2013 from 2020 follow-up until December 31, 2022 center. Results Thirty-four (43%) were living donor KTRs, 30 (38.5%) DBD, 11 (14.1%) DCD III, 2 (4.3%) II. Twenty-seven (34.6%)...

10.1093/ndt/gfae069.1711 article EN other-oa Nephrology Dialysis Transplantation 2024-05-01

10.1016/j.nefro.2018.10.003 article ES cc-by-nc-nd Nefrología 2019-01-30
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