Publications by authors named "Alasfar S"

While intravenous (IV) iron repletion is an effective tool to treat anemia and improve outcomes in chronic kidney disease (CKD), guideline laboratory definitions of iron deficiency differ, resulting in variability in screening and repletion strategies. This study sought to describe current practices surrounding identification and treatment of iron deficiency in CKD and then implement a pharmacist-led protocol to optimize care at a tertiary medical center. This single center, retrospective, pre- and post-protocol implementation study of adults with CKD admitted to the inpatient setting first analyzed historic practices for iron deficiency screening and treatment, followed by deployment of a pharmacist-driven protocol for iron deficiency screening and treatment.

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The management of noninfectious complications in kidney transplant recipients includes a broad spectrum of conditions, including metabolic issues, cardiovascular diseases, and malignancies, each presenting unique challenges for nephrologists managing these patients. Unlike infectious complications, these noninfectious issues require nuanced, multidisciplinary approaches for prevention, diagnosis, and management, emphasizing the need for personalized care plans. Cardiovascular disease is particularly significant, standing as the primary cause of death post-transplantation, with recent data indicating an overtaking of cancer death rates over infections among kidney transplant recipients.

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Purpose Of Review: The frequency of natural disasters and man-made conflicts has risen significantly in the past two decades, coinciding with an increase in kidney transplant recipients globally. This review addresses the critical need for disaster preparedness to mitigate the severe impacts on this vulnerable patient cohort.

Recent Findings: Kidney transplant recipients are highly dependent on robust healthcare infrastructures for ongoing care, including specialized medical staff, advanced diagnostics, and a consistent supply of immunosuppressive medications.

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Background: Phosphide metal poisoning results in tens of thousands of fatalities per year worldwide. The mortality in critically ill patients often exceeds 50%. The available treatment is supportive and there is no antidote.

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Purpose Of Review: The major fighting activities in the Syrian conflict have subsided, but the country continues to deal with significant political, economic, and psychosocial consequences that gravely impact the healthcare system, including the care of patients with kidney disease. The purpose of this manuscript is to review some of the problems faced by kidney patients in postconflict Syria and their available and proposed remedies.

Recent Findings: Many challenges, such as unfair, poorly planned, and poorly organized distribution of resources, suboptimal quality-monitoring infrastructure, psychosocial barriers, and workforce shortages, impede the delivery of quality care and negatively impact outcomes.

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The global burden of kidney disease is increasing, paralleled by a rising number of natural and man-made crises. During these tumultuous times, accessing vital health care resources becomes challenging, posing significant risks to individuals, particularly those with kidney disease. This review delves into the impact of crises on kidney disease, with a particular focus on acute kidney injury (AKI), kidney failure, and kidney transplant.

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Introduction: Providing hemodialysis to patients with kidney failure (KF) in conflict-affected areas poses a significant challenge. Achieving and sustaining reasonable quality hemodialysis operations in such regions necessitates a comprehensive approach.

Methods: In the conflict area of Northwest (NW) Syria, a 3-phase project was initiated to address the quality of hemodialysis operations.

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Health care on a global scale significantly contributes to carbon emissions, with high-income countries being the primary culprits. Within health care, dialysis plays a significant role as a major source of emissions. Low- and middle-income countries have a high burden of kidney disease and are facing an increasing demand for dialysis.

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Despite significant advancements in immunosuppressive therapies, kidney transplant rejection continues to pose a substantial challenge, impacting the long-term survival of grafts. This article provides an overview of the diagnosis, current therapies, and management strategies for acute T-cell-mediated rejection (TCMR) and antibody-mediated rejection (ABMR). TCMR is diagnosed through histological examination of kidney biopsy samples, which reveal the infiltration of mononuclear cells into the allograft tissue.

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Background: Frailty is associated with poor outcomes in surgical patients including kidney transplant (KT) recipients. Transplant centers that measure frailty have better pre- and postoperative outcomes. However, clinical utility of existing tools is low due to time constraints.

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Unlabelled: Enteric hyperoxalosis (EH) is an emerging cause of kidney transplantation (KT) dysfunction. We sought to determine the prevalence of EH and factors that affect plasma oxalate (POx) among at-risk KT candidates.

Methods: We prospectively measured POx among KT candidates evaluated at our center from 2017 to 2020 with risk factors for EH namely bariatric surgery, inflammatory bowel disease, or cystic fibrosis.

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Background: Postacute sequelae of SARS-CoV-2 infection (PASC) is an increasingly recognized phenomenon and manifested by long-lasting cognitive, mental, and physical symptoms beyond the acute infection period. We aimed to estimate the frequency of PASC symptoms in solid organ transplant (SOT) recipients and compared their frequency between those with SARS-CoV-2 infection requiring hospitalization and those who did not require hospitalization.

Methods: A survey consisting of 7 standardized questionnaires was administered to 111 SOT recipients with history of SARS-CoV-2 infection diagnosed >4 wk before survey administration.

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Background: post-transplant diabetes mellitus (PTDM) is a common complication after kidney transplant (KT). Most recent studies are single center with various approaches to outcome ascertainment.

Methods: In a multicenter longitudinal cohort of 632 nondiabetic adult kidney recipients transplanted in 2010-2013, we ascertained outcomes through detailed chart review at 13 centers.

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Article Synopsis
  • The study focused on the safety and efficacy of COVID-19 treatments (remdesivir, dexamethasone, convalescent plasma) in solid organ transplant recipients, comparing outcomes between two time periods.
  • In Era 1 (March-May 2020), treatments were limited, with low usage of newer therapies, while Era 2 (June-November 2020) saw a significant increase in their application among patients.
  • Outcomes showed low mortality rates (5.6%) and minimal allograft rejection (2.8%), indicating that the therapies did not harm transplant function or lead to more infections.
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Article Synopsis
  • Kidney allocation trends for deceased donors with acute kidney injury (AKI) have not been updated since 2014, prompting a new analysis of U.S. registry data from 2010 to 2020.
  • The analysis revealed an increase in both the proportion of stage 3 AKI donors and the procurement of their kidneys, with the percentage of stage 3 AKI donors doubling over the decade.
  • Despite the increased procurement, the discard rate for stage 3 AKI kidneys has remained high, highlighting potential areas for better kidney utilization in transplants.
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Background: Donor-derived cell-free DNA (dd-cfDNA) has generated interest as a biomarker for kidney injury including transplant (KT) rejection. It is possible that the KT biopsy procedure can cause the release of dd-cfDNA, therefore affecting the reliability of this assay in the postbiopsy period. We evaluated the effect of KT biopsy on the kinetics of dd-cfDNA.

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Background: It remains challenging to manage antibody-mediated rejection (ABMR) associated with angiotensin II type 1 receptor antibodies (AT1R-Abs) in kidney transplant recipients and the outcomes are not well defined. We describe the presentation, clinical course, and outcomes of this condition.

Methods: This retrospective study included kidney transplant recipients with AT1R-Ab levels ≥10 units/mL and biopsy-proven ABMR in the absence of significant HLA-donor-specific antibodies at the time of rejection.

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Background: Donor-derived cell-free DNA (dd-cfDNA) is a useful biomarker of rejection that originates from allograft cells undergoing injury. Plasma levels <1% in kidney transplant recipients have a high negative predictive value for active allograft rejection. The utility of this biomarker in kidney transplant recipients receiving immune checkpoint inhibitor therapy is unknown.

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Background: Post-Transplant erythrocytosis (PTE) has not been studied in large recent cohorts. In this study, we evaluated the incidence, risk factors, and outcome of PTE with current transplant practices using the present World Health Organization criteria to define erythrocytosis. We also tested the hypothesis that the risk of PTE is greater with higher-quality kidneys.

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The population of patients with kidney transplants in the United States is growing. The delivery of transplant care is complex, involves a multidisciplinary transplant team, and care coordination between transplant and community providers. The transplant nephrologist is central to the delivery of this care and assumes a multitude of clinical and nonclinical roles and responsibilities.

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Article Synopsis
  • * Effective management of KT patients is complex and relies on a stable health infrastructure, which can be severely affected by armed conflicts, especially in third-world countries.
  • * The review focuses on the challenges faced by kidney transplant recipients in Syria during armed conflict, highlighting decreased KT rates and difficulties in accessing essential medications, leading to worse health outcomes.
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