Marcelo Santos Sampaio

Secondary syphilis associated crescentic glomerulonephritis: A case report

Marcelo Santos Sampaio, Grigoriy Alexander Shekhtman, Mandana Rastegar, Richard Michael Treger et autres

Syphilis is a sexually transmitted disease caused by the bacterium Treponema Pallidum and has a diverse clinical presentation, including nephropathies, the most common of which is membranous nephropathy. Crescentic glomerulonephritis is not typically considered to be a manifestation of Syphilis associated renal …

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Outcomes of small pediatric donor kidney transplants according to donor weight

Marcelo Santos Sampaio, Erik L. Lum, Piyavadee Homkrailas, H. Albin Gritsch et autres

A small pediatric deceased donor (SPD) weight cutoff whether to transplant as en bloc (EB) or single pediatric (SP) kidney is uncertain. Using UNOS/OPTN data (2000-2019), 27 875 SPDs were divided by (i) EB (11.4%) or SP (88.6%) and (ii) donor weight …

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Impact of donor obesity on allograft outcomes after kidney transplantation adjusted for kidney donor profile index – a national cohort study

Piyavadee Homkrailas, Marcelo Santos Sampaio, Nakul Datta, Gabriel M. Danovitch et autres

Obesity in deceased kidney donors is a known risk factor for poor allograft outcomes. The Kidney Donor Profile Index (KDPI) has been introduced to predict graft survival in deceased donor kidney transplantation (DDKT). Obesity, however, is not included in KDPI. We study …

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When Sickle Cell Disease is out of control: what failed?

Mariângela Carneiro, Francisco Jenian Dias dos Santos, Eder Ricardo da Silva, Frank A. Seixas et autres

Background. Sickle Cell Disease (SCD) manifestations are mainly related to hemolytic crises (HC) and vasoocclusive (VO) phenomena with ischemia and tissue damage. Blood transfusion (simple or exchange) has a fundamental role in treating anemia and VO events and in preventing chronic complications. …

Time to second kidney transplantation in young adults after failed pediatric kidney transplant

Korntip Phonphok, Piyavadee Homkrailas, Tin Duong, Sunee Panombualert et autres

BACKGROUND: Under the current kidney allocation system, pediatric candidates listed prior to age 18 receive priority for high-quality deceased donor organs. This has resulted in a decline in living donor transplantation in pediatrics, despite superior outcomes of living donor transplantation. Due to …

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PF810 ABO INCOMPATIBLE KIDNEY TRANSPLANTATION – ONE CENTRE EXPERIENCE

Marcelo Santos Sampaio, Melissa Antunes, Jorge Malheiro, L. Dias et autres

Background: Donor living kidney transplantation (KT) is an available optionfor end‐stage renal disease, improving survival and quality of life when compared with other treatments. ABO incompatibility was considered an important barrier for long but, with the increasing organ shortage and due to …

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Chronic obstructive pulmonary disease as a risk factor for suicide: A systematic review and meta-analysis

Marcelo Santos Sampaio, Walbert de Andrade Vieira, Ítalo de Macedo Bernardino, Álex Moreira Herval et autres

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Photographic Principles of Medical Documentation

Murillo Francisco Pires Fraga, Diego Ricardo Colferai, Marcelo Santos Sampaio

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Role of induction therapy in low immunological risk–kidney transplant recipients: A mate‐kidney analysis

Kalathil K. Sureshkumar, Vinaikumar Katragadda, Bhavna Chopra, Marcelo Santos Sampaio

We aimed to evaluate the impact of induction on outcomes in low-immunological risk kidney transplant recipients (KTRs) using a mate-kidney model. Using OPTN/UNOS database, we identified three groups of low-immunological risk KTRs (first transplant, panel reactive antibody <20%, human leukocyte antigen mismatches …

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Impact of cold ischemia time on the outcomes of kidneys with Kidney Donor Profile Index ≥85%: mate kidney analysis - a retrospective study

Marcelo Santos Sampaio, Bhavna Chopra, Amy Tang, Kalathil K. Sureshkumar

The new kidney allocation system recommends local and regional sharing of deceased donor kidneys (DDK) with 86-100% Kidney Donor Profile Index (KDPI) to minimize discard. Regional sharing can increase cold ischemia time (CIT) which may negatively impact transplant outcomes. Using a same …

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Posttransplantation Malignancy in Kidney Transplant Recipients

Marcelo Santos Sampaio, Suphamai Bunnapradist

Depleting Antibody Induction and Kidney Transplant Outcomes

Marcelo Santos Sampaio, Bhavna Chopra, Kalathil K. Sureshkumar

BACKGROUND: Induction immunosuppression decreases the risk for acute rejection and improves graft outcomes in kidney transplant recipients (KTRs). We aimed to compare the outcomes of induction with Thymoglobulin and alemtuzumab in KTRs through paired-kidney analysis. METHODS: Using Organ Procurement and Transplantation Network/United …

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