Publications by authors named "Yang-juan Bai"

Aim: The aim of this review is to evaluate and summarize the evidence for preoperative visit-care of transcatheter aortic valve replacement (TAVR) and to provide evidence-based support for clinical intervention.

Design: The review presents an evidence summary report, following the standard of the Fudan University Center for Evidence-based Nursing.

Methods: Literature related to preoperative visit-care for transcatheter aortic valve replacement have been retrieved based on the "6S" pyramid model of evidence.

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Background: Preoperative visit-care for transcatheter aortic valve replacement (TAVR) plays a crucial role in improving the quality of care and patient safety. However, preoperative care for TAVR patients is still in its early stages in China, with the care often being experience-based. The application of relevant evidence in nursing practice is necessary.

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Introduction: The preoperative examination of kidney transplantation includes HLA antibody screening to initially determine the presence of preexisting donor-specific antibody (DSA) that mediates hyperacute rejection. Recipients with positive HLA antibodies require further HLA specificity analysis to type the antigen and determine the antigen mismatches between the donor and recipient. However, recipients with suspected antibodies would have no further HLA specificity analysis.

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  • Chronic allograft dysfunction (CAD) is a major reason for kidney transplant failure, and inflammation is a key factor in its development.
  • This study analyzed the effects of vitamin D (VD) supplementation on kidney transplant recipients (KTRs) suffering from chronic antibody-mediated rejection (CAMR) and found that VD helped reduce inflammatory cytokines.
  • Results indicated that KTRs receiving VD showed improved kidney function (higher eGFR levels) and decreased inflammation markers, highlighting vitamin D's role in protecting and maintaining graft function.
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Background: Although posttransplant anemia (PTA) is a common complication after kidney transplant, it has not been thoroughly evaluated for appropriate treatment. Roxadustat can stimulate erythropoiesis by increasing erythropoietin (EPO) production and improving the utilization of iron. However, there are currently a few case reports describing its effect on PTA in kidney transplant recipients (KTRs).

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Anti-erythropoietin (anti-EPO) antibody-mediated pure red cell aplasia (PRCA) is a rarely seen disease. Anti-EPO antibodies were mostly found in patients with chronic kidney disease who received recombinant human erythropoietin (rHuEPO) injections subcutaneously. The treatment against anti-EPO antibody-mediated PRCA included discontinuation of rHuEPO, immunosuppressive agents, intravenous immunoglobulin, plasmapheresis, or kidney transplantation.

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Introduction: Tertiary hyperparathyroidism (THPT) and vitamin D deficiency are commonly seen in kidney transplant recipients, which may result in persistently elevated fibroblast growth factor 23 (FGF23) level after transplantation and decreased graft survival. The aim of this study is to evaluate the effect of vitamin D supplementation on THPT, FGF23-alpha Klotho (KLA) axis and cardiovascular complications after transplantation.

Materials And Methods: Two hundred nine kidney transplant recipients were included and further divided into treated and untreated groups depending on whether they received vitamin D supplementation.

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Kidney transplantation is the ideal treatment for end-stage renal disease (ESRD). Chronic antibody-mediated rejection (CAMR) is the main cause of graft failure. Tfh and B cells are key immune cells that play important roles in CAMR.

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Background: In our previous study, serum soluble T-cell immunoglobulin and mucin structure-3 (sTim-3) and galactosin-9 (sGal-9) were found to be associated with renal function after kidney transplantation. However, it is unclear whether these two indicators can predict adverse outcomes after transplantation.

Methods: Ninety-one recipients of kidney transplantation were enrolled and divided into a stable group and an adverse outcome group (consisting of biopsy-proven rejection, graft loss, death and clinically diagnosed rejection).

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Article Synopsis
  • This study explored the role of PD-1 CXCR5 follicular helper CD8 T cells in kidney transplant recipients to understand their association with renal allograft dysfunction.
  • It involved 82 kidney transplant recipients, separating them into chronic allograft dysfunction (CAD) and stable groups, and examined specific T cell populations using flow cytometry.
  • Findings indicated that increased levels of PD-1 CXCR5 CD8 T cells correlated with renal dysfunction and suggested their potential as biomarkers for identifying issues related to kidney transplant rejection.
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Specialty courses are an important carrier for driving forward the education reform of integrating ideological and political theories education in all courses and implementing the philosophy of fostering character through moral education. is an undergraduate specialty course offered by the Department of Laboratory Medicine, West China Hospital, Sichuan University. The paper is based on the campaign of Integrating Ideological and Political Theories Education in All Courses and takes into consideration the features of the medical laboratory technology specialty.

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Chemokines are majorly involved in inflammatory and immune responses. The interferon-γ-inducible chemokines C-X-C motif chemokines 9 and 10 (CXCL9 and CXCL10) are considerably associated with Th1 cells and monocytes, and their expression levels rapidly increase during the early episodes of renal allograft rejection and various infectious diseases. CXCL13 is one of the most potent B-cell and T follicular helper-cell chemoattractants.

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  • - Individualized therapy uses genetic testing to personalize drug dosages, helping to reduce toxic side effects of medications like azathioprine and enhance their therapeutic effects.
  • - A new liquid chromatography method was developed to accurately measure two key metabolites of azathioprine in whole blood, allowing for effective monitoring of patient treatment levels.
  • - The study validated this method with great success, analyzing samples from 65 patients on azathioprine therapy to ensure optimal drug levels and outcomes.
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  • - The study explores the effects of Wuzhi capsules on tacrolimus blood concentration in renal transplant recipients, noting previous findings that the capsules can inhibit tacrolimus metabolism.
  • - In a cohort of 158 Chinese renal transplant patients, results indicated that those taking Wuzhi capsules showed significantly higher tacrolimus concentrations compared to those who did not, especially among CYP3A5 expressers.
  • - The research concludes that Wuzhi capsules can effectively increase tacrolimus levels without harming kidney transplant function, suggesting they may improve immunosuppressive treatment for patients.
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Infection remains a major cause of morbidity and mortality after kidney transplantation (KT). Reliable biomarkers to predict post-transplant infection are lacking. We investigated the predictive performance of pre- and post-transplant levels of T-cell immunoglobulin and mucin domain-3 (Tim-3) and Galectin-9 (Gal-9), two pleiotropic immunomodulatory molecules, in early identification of infection.

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The aim of this study was to investigate the correlation between CYP2C19 genotype and dose-adjusted voriconazole (VCZ) trough concentrations (C0/dose).We analyzed the correlation between CYP2C192(681G>A), CYP2C193(636G>A), and CYP2C1917(-806C>T) genetic polymorphisms and the dose-corrected pre-dose concentration (C0/dose) in 106 South-western Chinese Han patients.The frequencies of variant alleles of CYP2C192, 3, and 17 were 29.

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BACKGROUND We investigated whether a low fixed Tac starting dose regimen could lead to a better achievement of Tac target concentrations, as well as an effective immunosuppressive treatment, in Chinese kidney transplant recipients (KTRs). MATERIAL AND METHODS We collected whole-blood and serum samples from 189 KTRs and the Tac starting dose was 2, 2.5, or 3 mg/day.

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Background: T cell immunoglobulin mucin-3 (Tim-3) has been reported to participate in the regulation of immune response and the induction of allograft tolerance. However, the association between Tim-3 and renal allograft dysfunction is unclear. We studied the expression of cellular and soluble Tim-3 (sTim-3), soluble galectin-9 (sGal-9) and carcinoembryonic antigen-related cell adhesion molecule-1 (sCEACAM-1) in kidney transplantation recipients (KTRs) to explore their roles in allograft dysfunction.

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Background: T follicular helper cells (Tfh) are recently revealed to be vital in antibody-mediated rejection (AMR) in kidney transplant recipients (KTRs). However, the impact of immunosuppressive drugs on Tfh cells is not fully understood. The purpose of this study was to investigate the variation of Tfh cells phenotypically and functionally in KTRs treated with different immunosuppression regimens.

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Previous study has identified that the genetic variants in the human leukocyte antigen (HLA)-DP/DQ region were strongly associated with hepatitis B virus (HBV) infection. But their roles in liver function recovery after hepatic transplantation were still obscure. This study aimed to investigate whether HLA-DP/DQ polymorphisms were associated with post-transplant etiologies and prognosis in Chinese liver transplant recipients.

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Aim: To explore the regulatory function of FK506 and CsA on CD4/CD8 T lymphocyte subgroups and co-stimulators on them.

Methods: The fluorescein-labelled monoclonal antibodies and flowcytometer were used to determine the T-lymphocyte subgroups and the expression of CD28, CD152 and ICOS on them in allo-liver recipients treated with FK506 or CsA at the end of 2 months after transplantation and treatment. Healthy volunteers and the patients who suffered from severe hepatic diseases and would receive liver transplantation were used as controls.

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Aim: To dynamically observe the expression of CTLA-4/CD152 and PD-1 on T cell surface in the peripheral blood of liver allo-recipients, and to explore the regulatory effect of FK506 on negative costimulatory molecules.

Methods: The blood concentration of FK506 was measured by enzyme-multiplied immunoassay technique. Flow cytometry (FCM) was used to determine the expression of T cell subsets and CD152, PD-1 on T cell surface in the peripheral blood.

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