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Shankar M, Ali S, Shah S. Women's health and kidney protective medications. Curr Opin Nephrol Hypertens 2024; 33:486-493. [PMID: 38700904 PMCID: PMC11290983 DOI: 10.1097/mnh.0000000000001000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2024]
Abstract
PURPOSE OF REVIEW We discuss the sex-based differences in the pharmacokinetics and pharmacodynamics of kidney protective medications and their implications on women's health. RECENT FINDINGS A critical examination of adverse drug reactions highlights the underrepresentation of women in clinical trials for kidney and cardiovascular protective drugs, such as SGLT2 inhibitors, ACE inhibitors, and endothelin receptor antagonists. This underscores the need for sex-specific analyses in clinical studies to accurately assess medication efficacy and safety. SUMMARY The research demonstrates that women are more likely to experience adverse events and less likely to benefit from certain treatments, emphasizing the urgent need for healthcare providers to adopt a sex-informed approach in prescribing practices. Future research should prioritize sex differences from the outset to enhance understanding and improve clinical outcomes for women with chronic kidney disease and cardiovascular conditions.
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Affiliation(s)
- Mythri Shankar
- Department of Nephrology, Institute of Nephro-Urology, Bengaluru, India
| | - Sehrish Ali
- Division of Nephrology, Baylor College of Medicine, Houston, Texas, United States
| | - Silvi Shah
- Division of Nephrology, Department of Internal Medicine, University of Cincinnati, Cincinnati, Ohio, United States
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Linge H, Nevermann N, Schmelzle M, Quante M. [Sex differences in hepatobiliary and transplantation surgery]. CHIRURGIE (HEIDELBERG, GERMANY) 2024; 95:715-720. [PMID: 39090449 DOI: 10.1007/s00104-024-02139-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/08/2024] [Indexed: 08/04/2024]
Abstract
Gender-specific differences in hepatobiliary and transplantation surgery are decisive for the diagnosis, treatment and long-term outcomes. Men exhibit a higher risk of late recurrences and cancer-specific death after liver cancer resection. The emphasis on screening recommendations and ensuring equal access to treatment options are vital to minimize disparities. In kidney and liver transplantations, women are less frequently listed and endure longer waiting times, while men dominate the waiting list. Gender-specific disparities in drug compatibility necessitate differentiated dosing. Further studies are needed to ensure equity in transplantation treatment. Individualized treatment considering these differences can enhance treatment outcomes and the quality of life of patients.
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Affiliation(s)
- H Linge
- Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Medizinische Hochschule Hannover, Hannover, Deutschland.
| | - N Nevermann
- Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Medizinische Hochschule Hannover, Hannover, Deutschland
| | - M Schmelzle
- Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Medizinische Hochschule Hannover, Hannover, Deutschland
| | - M Quante
- Klinik für Allgemein‑, Viszeral- und Transplantationschirurgie, Medizinische Hochschule Hannover, Hannover, Deutschland
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Harding JL, Gompers A, Di M, Drewery K, Pastan S, Rossi A, DuBay D, Gander JC, Patzer RE. Sex/Gender Disparities in Preemptive Referrals for Kidney Transplantation. Kidney Int Rep 2024; 9:2134-2145. [PMID: 39081771 PMCID: PMC11284440 DOI: 10.1016/j.ekir.2024.04.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 04/04/2024] [Accepted: 04/08/2024] [Indexed: 08/02/2024] Open
Abstract
Introduction Sex/gender inequities persist in access to kidney transplantation. Whether differences in preemptive referral (i.e., referral before dialysis start) explain this inequity remains unknown. Methods All adults (aged 18-79 years; N = 44,204) initiating kidney replacement therapy (KRT; dialysis or transplant) in Georgia (GA), North Carolina (NC), or South Carolina (SC) between 2015 and 2019 were identified from the United States Renal Data System (USRDS). Individuals were linked to the Early Steps to Kidney Transplant Access Registry (E-STAR) to obtain data on preemptive referral and followed-up with through November 13, 2020, for outcomes of waitlisting and living donor transplant. Logistic regression assessed the association between sex/gender and likelihood of preemptive referral among all KRT patients. Cox-proportional hazards assessed the association between sex/gender and waitlisting or living donor among preemptively referred patients. Results Overall, men and women were similarly likely to be preemptively referred (odds ratio [OR]: 0.99 [0.95-1.04]). Preemptively referred women (vs. men) were, on average, younger and with fewer comorbidities. There were no sex/gender differences in waitlisting once patients were preemptively referred (hazard ratio [HR]: 0.97 [0.91-1.03]); however, women (vs. men) who were preemptively referred remained 25% (HR: 0.75 [0.66-0.86]) less likely to receive a living donor transplant. Conclusion In the Southeast US, men and women initiating KRT are similarly likely to be preemptively referred for a kidney transplant, and this appears, at least in part, to mitigate known sex/gender inequities in access to waitlisting, but not living donor transplant. Despite this, preemptively referred women, on average, had a more favorable medical profile relative to preemptively referred men.
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Affiliation(s)
- Jessica L. Harding
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
- Health Services Research Center, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Annika Gompers
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Mengyu Di
- William M. Tierney Center for Health Services Research, Regenstrief Institute, Indianapolis, Indiana, USA
| | - Kelsey Drewery
- Department of Surgery, School of Medicine, Indiana University, Indianapolis, IN, USA
| | - Stephen Pastan
- Department of Medicine, Renal Division, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Ana Rossi
- Piedmont Transplant Institute, Atlanta, Georgia, USA
| | - Derek DuBay
- Prisma Healthcare, Charleston, South Carolina, USA
| | - Jennifer C. Gander
- Center for Research and Evaluation, Kaiser Permanente Georgia, Atlanta, Georgia, USA
| | - Rachel E. Patzer
- Department of Surgery, School of Medicine, Indiana University, Indianapolis, IN, USA
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Swanson KJ, Aziz F, Garg N, Mandelbrot D, Parajuli S. Outcomes of Deceased Donor Kidney Recipients From the Same Donor Based on Donor-Recipient Sex Discordance. Clin Transplant 2024; 38:e15409. [PMID: 39033504 DOI: 10.1111/ctr.15409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 06/21/2024] [Accepted: 06/30/2024] [Indexed: 07/23/2024]
Abstract
INTRODUCTION Outcomes of deceased donor kidney transplant (DDKT) recipients from the same donor with donor-recipient sex discordance have been studied with inconsistent results. METHODS Adult DDKT where both kidneys from the same donor occurred at our center in two different recipients of different sexes were included. Outcomes were analyzed separately for male and female donors, based on the concordance or discordance between donor-recipient sex: Male-male (M-m) versus Male to female (M-f) or vice versa, F-f versus F-m. Acute rejection (AR) and uncensored graft failure were primary outcomes of interest. The univariate and multivariate risks for AR and graft failure were conducted using the Cox proportional hazards model and log-rank tests. RESULTS A total of 130 donors, 84 male and 46 female fulfilled our selection criteria and were transplanted in 260 recipients. With respect to the concordant groups (M-m or F-f), sex discordance was not significantly associated with the risk of rejection in multivariate analysis (M-f vs. M-m HR 1.15 [0.53-2.53, P = 0.72]; F-m vs. F-f HR 1.77 [0.71-4.39, P = 0.23]). Sex discordance was also not significantly associated with graft failure in multivariate analysis. Interestingly, risk factors for AR differed among male donors and female donors. The higher calculated panel reactive antibodies (cPRA) and nonwhite recipients were at increased risk for AR in F-m, but not in M-f. CONCLUSIONS Donor-recipient sex discordance was not significantly associated with AR or graft failure. Risk factors for AR may differ across male and female donors.
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Affiliation(s)
- Kurtis J Swanson
- Division of Nephrology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Fahad Aziz
- Division of Nephrology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Neetika Garg
- Division of Nephrology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Didier Mandelbrot
- Division of Nephrology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Sandesh Parajuli
- Division of Nephrology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
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Smout SA, Yang EM, Mohottige D, Nonterah CW. A systematic review of psychosocial and sex-based contributors to gender disparities in the United States across the steps towards kidney transplantation. Transplant Rev (Orlando) 2024; 38:100858. [PMID: 38729062 DOI: 10.1016/j.trre.2024.100858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 05/02/2024] [Accepted: 05/02/2024] [Indexed: 05/12/2024]
Abstract
INTRODUCTION Persistent findings suggest women and patients identified as "female" are less likely to receive a kidney transplant. Furthermore, the limited research on transplantation among transgender and gender diverse people suggests this population is susceptible to many of the same psychosocial and systemic barriers. OBJECTIVE This review sought to 1) highlight terminology used to elucidate gender disparities, 2) identify barriers present along the steps to transplantation, and 3) summarize contributors to gender disparities across the steps to transplantation. METHODS A systematic review of gender and sex disparities in the steps towards kidney transplantation was conducted in accordance with PRISMA guidelines across four social science and public health databases from 2005 to 23. RESULTS The search yielded 1696 initial results, 33 of which met inclusion criteria. A majority of studies followed a retrospective cohort design (n = 22, 66.7%), inconsistently used gender and sex related terminology (n = 21, 63.6%), and reported significant findings for gender and sex disparities within the steps towards transplantation (n = 28, 84.8%). Gender disparities among the earlier steps were characterized by patient-provider communication and perception of medical suitability whereas disparities in the later steps were characterized by differential outcomes based on older age, an above average BMI, and Black racial identity. Findings for transgender patients pointed to issues computing eGFR and the need for culturally tailored care. DISCUSSION Providers should be encouraged to critically examine the diagnostic criteria used to determine transplant eligibility and adopt practices that can be culturally tailored to meet the needs of patients.
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Affiliation(s)
- Shelby A Smout
- Department of Psychology, University of Richmond, 114 UR Drive, Richmond Virginia, USA.
| | - Emily M Yang
- Department of Psychology, University of Richmond, 114 UR Drive, Richmond Virginia, USA
| | - Dinushika Mohottige
- Institute of Health Equity Research, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place Box 1077, New York New York, USA
| | - Camilla W Nonterah
- Department of Psychology, University of Richmond, 114 UR Drive, Richmond Virginia, USA; Department of Psychiatry, Virginia Commonwealth University School of Medicine, 501 N. 2nd Street Box 980309, Richmond Virginia, USA
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6
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Goldstein BA, Mohottige D, Bessias S, Cary MP. Enhancing Clinical Decision Support in Nephrology: Addressing Algorithmic Bias Through Artificial Intelligence Governance. Am J Kidney Dis 2024:S0272-6386(24)00791-1. [PMID: 38851444 DOI: 10.1053/j.ajkd.2024.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 04/01/2024] [Accepted: 04/06/2024] [Indexed: 06/10/2024]
Abstract
There has been a steady rise in the use of clinical decision support (CDS) tools to guide nephrology as well as general clinical care. Through guidance set by federal agencies and concerns raised by clinical investigators, there has been an equal rise in understanding whether such tools exhibit algorithmic bias leading to unfairness. This has spurred the more fundamental question of whether sensitive variables such as race should be included in CDS tools. In order to properly answer this question, it is necessary to understand how algorithmic bias arises. We break down 3 sources of bias encountered when using electronic health record data to develop CDS tools: (1) use of proxy variables, (2) observability concerns and (3) underlying heterogeneity. We discuss how answering the question of whether to include sensitive variables like race often hinges more on qualitative considerations than on quantitative analysis, dependent on the function that the sensitive variable serves. Based on our experience with our own institution's CDS governance group, we show how health system-based governance committees play a central role in guiding these difficult and important considerations. Ultimately, our goal is to foster a community practice of model development and governance teams that emphasizes consciousness about sensitive variables and prioritizes equity.
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Affiliation(s)
- Benjamin A Goldstein
- Department of Biostatistics and Bioinformatics, School of Medicine, Duke University, Durham, North Carolina; AI Health, School of Medicine, Duke University, Durham, North Carolina.
| | - Dinushika Mohottige
- Institute for Health Equity Research, Department of Population Health, Icahn School of Medicine at Mount Sinai, New York, New York; Barbara T. Murphy Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Sophia Bessias
- AI Health, School of Medicine, Duke University, Durham, North Carolina
| | - Michael P Cary
- AI Health, School of Medicine, Duke University, Durham, North Carolina; School of Nursing, Duke University, Durham, North Carolina
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Malinzak L, Gartrelle K, Sragi Z, Segal A, Prashar R, Jesse MT. Access to robotic assisted kidney transplant for recipients: a systematic review and call for reporting standards. J Robot Surg 2024; 18:239. [PMID: 38833043 DOI: 10.1007/s11701-024-01927-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 03/24/2024] [Indexed: 06/06/2024]
Abstract
Robot-assisted kidney transplantation (RAKT) is a relatively novel, minimally invasive option for kidney transplantation. However, clarity on recipient selection in the published literature is lacking thereby significantly limiting interpretation of safety and other outcomes. This systematic review aimed to identify and synthesize the data on selection of RAKT recipients, compare the synthesized data to kidney transplant recipients across the USA, and explore geographical clusters of availability of RAKT. Systematic literature review, in accordance with PRISMA, via OVID MEDLINE, Embase, and Web of science from inception to March 5, 2023. All data entry double blinded and quality via Newcastle Ottawa Scale. 44 full-text articles included, encompassing approximately 2402 kidney transplant recipients at baseline but with considerable suspicion for overlap across publications. There were significant omissions of information across studies on patient selection for RAKT and/or analysis. Overall, the quality of studies was very low. Given suspicion of overlap across studies, it is difficult to determine how many RAKT recipients received living (LD) versus deceased donor (DD) organs, but a rough estimate suggests 89% received LD. While the current RAKT literature provides preliminary evidence on safety, there are significant omissions in reporting on patient selection for RAKT which limits interpretation of findings. Two recommendations: (1) international consensus is needed for reporting guidelines when publishing RAKT data and (2) larger controlled trials consistently reporting recipient characteristics are needed to clearly determine selection, safety, and outcomes across both LD and DD recipients.
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Affiliation(s)
- Lauren Malinzak
- Henry Ford Health, Transplant Institute, 2799 West Grand Boulevard, Clara Ford Pavilion, Detroit, MI, 48202, USA.
| | - Kendyll Gartrelle
- Henry Ford Health, Transplant Institute, 2799 West Grand Boulevard, Clara Ford Pavilion, Detroit, MI, 48202, USA
| | - Zara Sragi
- Henry Ford Health, Transplant Institute, 2799 West Grand Boulevard, Clara Ford Pavilion, Detroit, MI, 48202, USA
| | - Antu Segal
- Henry Ford Health, Transplant Institute, 2799 West Grand Boulevard, Clara Ford Pavilion, Detroit, MI, 48202, USA
| | - Rohini Prashar
- Henry Ford Health, Transplant Institute, 2799 West Grand Boulevard, Clara Ford Pavilion, Detroit, MI, 48202, USA
| | - Michelle T Jesse
- Henry Ford Health, Transplant Institute, 2799 West Grand Boulevard, Clara Ford Pavilion, Detroit, MI, 48202, USA
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Hendren E, Kaur R, Gill J. Are There Sex-based Differences in Excess Risk of Death With Graft Function After Kidney Transplant? Transplantation 2024; 108:1279-1280. [PMID: 38755749 DOI: 10.1097/tp.0000000000005055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Affiliation(s)
- Elizabeth Hendren
- Division of Nephrology, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
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Magyar CTJ, Gretener CP, Baldi P, Storni F, Kim-Fuchs C, Candinas D, Berzigotti A, Knecht M, Beldi G, Hirzel C, Sidler D, Reineke D, Banz V. Recipient donor sex combinations in solid organ transplantation and impact on clinical outcome: A scoping review. Clin Transplant 2024; 38:e15312. [PMID: 38678586 DOI: 10.1111/ctr.15312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/22/2024] [Accepted: 03/25/2024] [Indexed: 05/01/2024]
Abstract
INTRODUCTION Solid organ transplantation (SOT) is a lifesaving treatment for end-stage organ failure. Although many factors affect the success of organ transplantation, recipient and donor sex are important biological factors influencing transplant outcome. However, the impact of the four possible recipient and donor sex combinations (RDSC) on transplant outcome remains largely unclear. METHODS A scoping review was carried out focusing on studies examining the association between RDSC and outcomes (mortality, graft rejection, and infection) after heart, lung, liver, and kidney transplantation. All studies up to February 2023 were included. RESULTS Multiple studies published between 1998 and 2022 show that RDSC is an important factor affecting the outcome after organ transplantation. Male recipients of SOT have a higher risk of mortality and graft failure than female recipients. Differences regarding the causes of death are observed. Female recipients on the other hand are more susceptible to infections after SOT. CONCLUSION Differences in underlying illnesses as well as age, immunosuppressive therapy and underlying biological mechanisms among male and female SOT recipients affect the post-transplant outcome. However, the precise mechanisms influencing the interaction between RDSC and post-transplant outcome remain largely unclear. A better understanding of how to identify and modulate these factors may improve outcome, which is particularly important in light of the worldwide organ shortage. An analysis for differences of etiology and causes of graft loss or mortality, respectively, is warranted across the RDSC groups. PRACTITIONER POINTS Recipient and donor sex combinations affect outcome after solid organ transplantation. While female recipients are more susceptible to infections after solid organ transplantation, they have higher overall survival following SOT, with causes of death differing from male recipients. Sex-differences should be taken into account in the post-transplant management.
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Affiliation(s)
- Christian Tibor Josef Magyar
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Charlene Pierrine Gretener
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Patricia Baldi
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Federico Storni
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Corina Kim-Fuchs
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Daniel Candinas
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Annalisa Berzigotti
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Matthias Knecht
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Guido Beldi
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Cédric Hirzel
- Department of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Daniel Sidler
- Department for Nephrology and Hypertension, University Hospital Insel Bern, Bern, Switzerland
| | - David Reineke
- Department of Cardiac Surgery, Inselspital, University of Bern, Bern, Switzerland
| | - Vanessa Banz
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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Nautiyal A, Bagchi S, Bansal SB. Gender and kidney transplantation. FRONTIERS IN NEPHROLOGY 2024; 4:1360856. [PMID: 38711923 PMCID: PMC11070561 DOI: 10.3389/fneph.2024.1360856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 04/09/2024] [Indexed: 05/08/2024]
Abstract
Kidney transplantation provides the best form of kidney replacement therapy with improvement in quality of life and longevity. However, disparity exists in its availability, utilisation and outcomes, not only due to donor availability or financial constraints but also arising from the influence of biological sex and its sociocultural attribute i.e., Gender. Women make up the majority of kidney donors but are less likely to be counselled regarding transpantation, be waitlisted or receive living/deceased donor kidney. Biological differences also contribute to differences in kidney transplantation among the sexes. Women are more likely to be sensitised owing to pregnancy, especially in multiparous individuals, complicating donor compatibility. A heightened immune system in women, evidenced by more autoimmune illnesses, increases the risk of allograft rejection and loss. Differences in the pharmacokinetics of transplant drugs owing to biological variances could also contribute to variability in outcomes. Transgender medicine is also increasingly becoming a relevant topic of study, providing greater challenges in the form of hormonal manipulations and anatomic changes. It is thus important to determine and study transplantation and its nuances in this backdrop to be able to provide relevant sex and gender-specific interventions and design better practices for optimum kidney transplant utilisation and outcomes.
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Affiliation(s)
- Arushi Nautiyal
- Department of Nephrology, Jaipur Golden Hospital, New Delhi, India
| | - Soumita Bagchi
- Department of Nephrology, All India Institute of Medical Sciences, New Delhi, India
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11
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Al-Thnaibat MH, Balaw MK, Al-Aquily MK, Ghannam RA, Mohd OB, Alabidi F, Alabidi S, Hussein F, Rawashdeh B. Addressing Kidney Transplant Shortage: The Potential of Kidney Paired Exchanges in Jordan. J Transplant 2024; 2024:4538034. [PMID: 38577225 PMCID: PMC10994704 DOI: 10.1155/2024/4538034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/09/2024] [Accepted: 03/18/2024] [Indexed: 04/06/2024] Open
Abstract
Jordan performed the Middle East's first living-donor kidney transplant in 1972. In 1977, the country became one of the first Arab countries to regulate organ donation and transplantation. Despite these early advances in living donor transplantation, Jordan's organ donation after brain death program remains inactive, making it challenging to meet organ demand and placing many patients on long transplant waiting lists. As of 2020, only 14.2% of the patients with end-stage kidney disease have access to a living donor. The scarcity of compatible living donors exacerbates Jordan's organ shortage, leaving patients with extended waits and uncertain transplant prospects. Due to the lack of living donors and the inactive brain death donation program, additional options are needed to meet organ demand. Kidney paired exchange (KPE), emerges as a potential solution to the problem of donor shortage and donor-recipient incompatibility. By allowing living donors to direct their donated organs to different compatible recipients, KPE offers the promise of expanding transplant opportunities for patients without suitable living donors. However, the current Jordanian law restricting living kidney donation to fifth-degree relatives further limits the pool of potential donors, aggravating the organ shortage situation. This article explores the feasibility of implementing KPE in Jordan and proposes an approach to implementing KPE in Jordan, considering ethical and legal aspects to substantially increase kidney transplants.
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Affiliation(s)
- Mohammad H. Al-Thnaibat
- Department of Internal Medicine, Faculty of Medicine, Hashemite University, Zarqa 13133, Jordan
| | | | | | - Reem A. Ghannam
- College of Medicine, Hashemite University, Zarqa 13133, Jordan
| | - Omar B. Mohd
- College of Medicine, Hashemite University, Zarqa 13133, Jordan
| | - Firas Alabidi
- Jordan University of Science and Technology, Irbid, Jordan
| | | | - Fadi Hussein
- Department of Nephrology, Aurora Health Care, Milwaukee, Wisconsin, USA
| | - Badi Rawashdeh
- Medical College of Wisconsin, Division of Transplant Surgery, Milwaukee, Wisconsin, USA
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12
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Balafa O, Fernandez-Fernandez B, Ortiz A, Dounousi E, Ekart R, Ferro CJ, Mark PB, Valdivielso JM, Del Vecchio L, Mallamaci F. Sex disparities in mortality and cardiovascular outcomes in chronic kidney disease. Clin Kidney J 2024; 17:sfae044. [PMID: 38638550 PMCID: PMC11024840 DOI: 10.1093/ckj/sfae044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Indexed: 04/20/2024] Open
Abstract
Sex (biologically determined) and gender (socially constructed) modulate manifestations and prognosis of a vast number of diseases, including cardiovascular disease (CVD) and chronic kidney disease (CKD). CVD remains the leading cause of death in CKD patients. Population-based studies indicate that women present a higher prevalence of CKD and experience less CVD than men in all CKD stages, although this is not as clear in patients on dialysis or transplantation. When compared to the general population of the same sex, CKD has a more negative impact on women on kidney replacement therapy. European women on dialysis or recipients of kidney transplants have life expectancy up to 44.8 and 19.8 years lower, respectively, than their counterparts of similar age in the general population. For men, these figures stand at 37.1 and 16.5 years, representing a 21% to 20% difference, respectively. Hormonal, genetic, societal, and cultural influences may contribute to these sex-based disparities. To gain a more comprehensive understanding of these differences and their implications for patient care, well-designed clinical trials that involve a larger representation of women and focus on sex-related variables are urgently needed. This narrative review emphasizes the importance of acknowledging the epidemiology and prognosis of sex disparities in CVD among CKD patients. Such insights can guide research into the underlying pathophysiological mechanisms, leading to optimized treatment strategies and ultimately, improved clinical outcomes.
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Affiliation(s)
- Olga Balafa
- Department of Nephrology, University Hospital of Ioannina, Ioannina, Greece
| | | | - Alberto Ortiz
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain
| | - Evangelia Dounousi
- Nephrology Dept, Faculty of Medicine, University of Ioannina and University Hospital of Ioannina. Ioannina, Greece
| | - Robert Ekart
- Department of Dialysis, Clinic for Internal Medicine, Faculty of Medicine, University Medical Centre Maribor, Maribor, Slovenia
| | - Charles J Ferro
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Patrick B Mark
- School of Cardiovascular and Metabolic Health, University of Glasgow, Glasgow, UK
| | - Jose M Valdivielso
- Vascular and Renal Traslational Research Group, UDETMA, Biomedical Research Institute of Lleida, IRBLleida, Lleida, Spain
| | - Lucia Del Vecchio
- Department of Nephrology and Dialysis, Sant'Anna Hospital, ASST Lariana, Como, Italy
| | - Francesca Mallamaci
- Department of Nephrology, Dialysis, and Transplantation Azienda Ospedaliera ‘Bianchi-Melacrino-Morelli’ & CNR-IFC, Reggio Calabria, Italy
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13
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des Bordes U, Hoang T, Dale BS, Sharma AK. Sclerotherapy of the Post renal Transplant Lymphoceles: A Meta-Analysis. Transplant Proc 2024; 56:316-321. [PMID: 38368131 DOI: 10.1016/j.transproceed.2024.01.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 01/16/2024] [Indexed: 02/19/2024]
Abstract
PURPOSE This study evaluated the effectiveness of sclerotherapy in treating lymphoceles after kidney transplantation, focusing on factors such as recurrence rates and procedural success. MATERIALS AND METHODS Retrospective studies using sclerotherapy as the only form of treatment for postrenal transplant lymphoceles were included. All studies used percutaneous transcatheter sclerotherapy as treatment, and the success rate of the intervention was recorded. Sixty-one references were obtained by manually searching the MEDLINE (n = 20), Embase (n = 41), and Cochrane Library databases (n = 0) for retrospective research studies that included the keywords "sclerotherapy post renal transplant lymphoceles." After removing 3 duplicates, 50 of the remaining articles were excluded after the screening, and the remaining studies were extracted for demographic data and our primary outcome of the success rate of sclerotherapy. RESULTS A descriptive analysis of the outcomes and complication rates associated with sclerotherapy interventions for lymphoceles is provided. A high degree of variation across the different studies was observed. According to the Kruskal-Wallis test, there was no correlation between the sclerosant used and the sclerotherapy complication rate (P = .472) or the success rate (P = .591). There was also no correlation between the gender of the patient and the success rate; however, there was a significant difference in the complication rate by gender (P < .005). CONCLUSIONS In conclusion, different sclerosant products have been used for therapy with no consensus on the most efficacious product because the success rate has been variable. In addition, the gender of the patient may influence the complication rates associated with sclerotherapy for lymphoceles in patients post-kidney transplant.
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Affiliation(s)
- Ursula des Bordes
- Department of Internal Medicine, University of Rochester, Rochester, New York
| | | | - Benjamin S Dale
- Department of Surgery, University of Rochester, Rochester, New York
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14
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Saad KM, Salles ÉL, Naeini SE, Baban B, Abdelmageed ME, Abdelaziz RR, Suddek GM, Elmarakby AA. Reno-protective effect of protocatechuic acid is independent of sex-related differences in murine model of UUO-induced kidney injury. Pharmacol Rep 2024; 76:98-111. [PMID: 38214881 DOI: 10.1007/s43440-023-00565-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 12/09/2023] [Accepted: 12/11/2023] [Indexed: 01/13/2024]
Abstract
BACKGROUND Obstructive nephropathy is a condition often caused by urinary tract obstruction either anatomical (e.g., tumors), mechanical (e.g., urolithiasis), or compression (e.g., pregnancy) and can progress to chronic kidney disease (CKD). Studies have shown sexual dimorphism in CKD, where males were found to have a more rapid decline in kidney function following kidney injury compared to age-matched females. Protocatechuic acid (PCA), an anti-oxidant and anti-inflammatory polyphenolic compound, has demonstrated promising effects in mitigating drug-induced kidney injuries. The current study aims to explore sexual dimorphism in kidney injury after unilateral ureteral obstruction (UUO) and assess whether PCA treatment can mitigate kidney injury in both sexes. METHODS UUO was induced in 10-12 weeks old male and female C57BL/6J mice. Mice were categorized into four groups (n = 6-8/group); Sham, Sham plus PCA (100 mg/kg, I.P daily), UUO, and UUO plus PCA. RESULTS After 2 weeks of induction of UUO, markers of kidney oxidative stress (TBARs), inflammation (IL-1α and IL-6), tubular injury (neutrophil gelatinase-associated lipocalin, NGAL and urinary kidney injury molecule-1, KIM-1), fibrosis (Masson's trichrome staining, collagen IV expression, MMP-2 and MMP-9) and apoptosis (TUNEL+ cells, active caspase-1 and caspase-3) were significantly elevated in both males and females relative to their sham counterparts. Males exhibited significantly greater kidney oxidative stress, inflammation, fibrosis, and apoptosis after induction of UUO when compared to females. PCA treatment significantly attenuated UUO-induced kidney injury, inflammation, fibrosis, and apoptosis in both sexes. CONCLUSION Our findings suggest a differential gender response to UUO-induced kidney injury with males being more sensitive to UUO-induced kidney inflammation, fibrosis, and apoptosis than age-matched females. Importantly, PCA treatment reduced UUO-induced kidney injury in a sex-independent manner which might be attributed to its anti-oxidant, anti-inflammatory, anti-fibrotic, and anti-apoptotic properties.
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Affiliation(s)
- Karim M Saad
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, 1450 Laney Walker Blvd, CL2126, Augusta, GA, 30912, USA
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Évila Lopes Salles
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, 1450 Laney Walker Blvd, CL2126, Augusta, GA, 30912, USA
| | - Sahar Emami Naeini
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, 1450 Laney Walker Blvd, CL2126, Augusta, GA, 30912, USA
| | - Babak Baban
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, 1450 Laney Walker Blvd, CL2126, Augusta, GA, 30912, USA
| | - Marwa E Abdelmageed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Rania R Abdelaziz
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Ghada M Suddek
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Ahmed A Elmarakby
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, 1450 Laney Walker Blvd, CL2126, Augusta, GA, 30912, USA.
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt.
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15
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Gompers A, Rossi A, Harding JL. Intersectional race and gender disparities in kidney transplant access in the United States: a scoping review. BMC Nephrol 2024; 25:36. [PMID: 38273245 PMCID: PMC10811805 DOI: 10.1186/s12882-023-03453-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 12/30/2023] [Indexed: 01/27/2024] Open
Abstract
BACKGROUND Gender and racial disparities in kidney transplant access are well established, however how gender and race interact to shape access to kidney transplant is less clear. Therefore, we examined existing literature to assess what is known about the potential interaction of gender and race and the impact on access to kidney transplantation in the US. METHODS Following PRISMA guidelines, we conducted a scoping review and included quantitative and qualitative studies published in English between 1990 and May 31, 2023 among adult end-stage kidney disease patients in the US. All studies reported on access to specific transplant steps or perceived barriers to transplant access in gender and race subgroups, and the intersection between the two. We narratively synthesized findings across studies. RESULTS Fourteen studies met inclusion criteria and included outcomes of referral (n = 4, 29%), evaluation (n = 2, 14%), waitlisting (n = 4, 29%), transplantation (n = 5, 36%), provider perceptions of patient transplant candidacy (n = 3, 21%), and patient preferences and requests for a living donor (n = 5, 36%). Overall, we found that White men have the greatest access at all steps of the transplant process, from referral to eventual living or deceased donor transplantation. In contrast, women from racial or ethnic minorities tend to have the lowest access to kidney transplant, in particular living donor transplant, though this was not consistent across all studies. CONCLUSIONS Examining how racism and sexism interact to shape kidney transplant access should be investigated in future research, in order to ultimately shape policies and interventions to improve equity.
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Affiliation(s)
- Annika Gompers
- Department of Epidemiology, Rollins School of Public Health, Emory University, 1518 Clifton Rd, Atlanta, GA, 30322, USA.
| | - Ana Rossi
- Piedmont Transplant Institute, 1968 Peachtree Rd NW Building 77, Atlanta, GA, 30309, USA
| | - Jessica L Harding
- Department of Epidemiology, Rollins School of Public Health, Emory University, 1518 Clifton Rd, Atlanta, GA, 30322, USA
- Department of Surgery, Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA, 30322, USA
- Health Services Research Center, Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA, 30322, USA
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16
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Chesnaye NC, Carrero JJ, Hecking M, Jager KJ. Differences in the epidemiology, management and outcomes of kidney disease in men and women. Nat Rev Nephrol 2024; 20:7-20. [PMID: 37985869 DOI: 10.1038/s41581-023-00784-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2023] [Indexed: 11/22/2023]
Abstract
Improved understanding of differences in kidney disease epidemiology, management and outcomes in men and women could help nephrologists to better meet the needs of their patients from a sex- and gender-specific perspective. Evidence of sex differences in the risk and outcomes of acute kidney injury is mixed and dependent on aetiology. Women have a higher prevalence of chronic kidney disease (CKD) stages 3-5 than men, whereas men have a higher prevalence of albuminuria and hence CKD stages 1-2. Men show a faster decline in kidney function, progress more frequently to kidney failure and have higher mortality and risk of cardiovascular disease than women. However, the protective effect of female sex is reduced with CKD progression. Women are less likely than men to be aware of, screened for and diagnosed with CKD, started on antiproteinuric medication and referred to nephrologist care. They also consistently report a poorer health-related quality of life and a higher symptom burden than men. Women experience greater barriers than men to access the waiting list for kidney transplantation, particularly with respect to older age and obesity. However, women also have longer survival than men after transplantation, which may partly explain the comparable prevalence of transplantation between the sexes.
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Affiliation(s)
- Nicholas C Chesnaye
- ERA Registry, Amsterdam UMC location University of Amsterdam, Medical Informatics, Amsterdam, Netherlands
- Amsterdam Public Health Research Institute, Quality of Care, Amsterdam, the Netherlands
| | - Juan Jesus Carrero
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Division of Nephrology, Department of Clinical Sciences, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden
| | - Manfred Hecking
- Department of Internal Medicine III, Clinical Division of Nephrology and Dialysis, Medical University of Vienna, Vienna, Austria
- Department of Epidemiology, Center for Public Health, Medical University of Vienna, Vienna, Austria
| | - Kitty J Jager
- ERA Registry, Amsterdam UMC location University of Amsterdam, Medical Informatics, Amsterdam, Netherlands.
- Amsterdam Public Health Research Institute, Quality of Care, Amsterdam, the Netherlands.
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17
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Zhang H, Chen R, Xiang S, Gao P, Zhu J, Wang L, Jiang X, Hua F, Huang X. Association between serum lipoprotein(a) and mildly reduced eGFR: a cross-sectional study. BMC Nephrol 2023; 24:364. [PMID: 38066475 PMCID: PMC10709843 DOI: 10.1186/s12882-023-03417-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
Lipoprotein(a) [Lp(a)] is a risk factor for cardiovascular disease (CVD) and aortic stenosis. However, the data on the relationship between Lp(a) and mildly reduced estimated glomerular filtration rate (eGFR) has been disputed. This study was conducted to assess the relationship between Lp(a) concentrations and mildly reduced eGFR in healthy subjects.This community-based, cross-sectional study enrolled 1,064 volunteers aged ≥ 40 years who lived in Yonghong Community, Zhonglou District, Changzhou, China, between December 2016 and December 2017. A mildly reduced eGFR was defined as eGFR between 60 and 90 mL/min/1.73m2. A standardized questionnaire and biochemical measurements were used to gather information about participants. The serum concentration of Lp(a) was determined using the latex-enhanced immunoturbidimetric test. Of the total study population, 34.8% (n = 370) were men, and the mean age was 66.8 ± 8.5 years. A significant association existed between Lp(a) levels and the risk of mildly reduced eGFR. Individuals with the highest tertile of Lp(a) had higher odds of mildly reduced eGFR after adjusting for various confounders (adjusted odds ratio [OR]: 1.80, 95% confidence interval [CI]: 1.24-2.60, P = 0.0025) compared to those with the lowest tertile of Lp(a). Multivariable logistic regression of studies in which Lp(a) was presented as continuous variables showed consistent results (adjusted OR: 1.23 for 1-SD increment of Ln-Lp(a), 95% CI: 1.05-1.43). Subgroup analyses showed that study characteristics such as age, sex, obesity, diabetes, and hypertension status did not significantly affect the association (P for all interactions > 0.05). These results suggest that higher serum Lp(a) level was an independent risk factor for mildly reduced eGFR.
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Affiliation(s)
- Hong Zhang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Hefei, Third Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230000, China
| | - Rui Chen
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Shoukui Xiang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Pei Gao
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Jing Zhu
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Long Wang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Xiaohong Jiang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Fei Hua
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China
| | - Xiaolin Huang
- Department of Endocrine and Metabolic Diseases, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, 185 Juqianjie Road, Changzhou, Jiangsu, 213000, China.
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18
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Thanamayooran A, Foster BJ, Tennankore KK, Vinson AJ. Patient and Provider Gender and Kidney Transplant Referral in Canada: A Survey of Canadian Healthcare Providers. Transplantation 2023; 107:e283-e291. [PMID: 37505913 DOI: 10.1097/tp.0000000000004735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
BACKGROUND Referral for kidney transplant (KT) is variable, with women often disadvantaged. This study aimed to better characterize Canadian transplant referral practices and identify potential differences by respondent and/or patient gender using surveys targeted at healthcare practitioners (HCPs) involved in KT. METHODS Surveys consisting of 25 complex patient cases representing 7 themes were distributed to KT HCPs across Canada (March 3, 2022-April 27, 2022) using national nephrology/transplant society email registries. Respondents were asked whether they would refer the patient for transplant. Two identical surveys were created, differing only by gender/gender pronouns used in each case. Multivariable logistic regression was used to assess the association of respondent demographics and patient themes (including case gender) with the odds of transplant referral (overall and stratifying by respondent gender). RESULTS Overall, the referral rate was 58.0% among 97 survey respondents (46.4% male). Case themes associated with a lower likelihood of referral included adherence concerns (adjusted odds ratio [aOR] 0.65; 95% confidence interval [CI], 0.45-0.94), medical complexity (aOR 0.57; 95% CI, 0.38-0.85), and perceived frailty (aOR 0.63; 95% CI, 0.47-0.84). Respondent gender was not associated with differences in KT referral (aOR 0.91; 95% CI, 0.65-1.26 for male versus female respondents) but modified the association of frailty (less referral for male than female respondents, P = 0.005) and medical complexity (less referral for female than male respondents, P = 0.009) with referral. There were no differences in referral rate by case gender ( P = 0.82). CONCLUSIONS KT referral practices vary among Canadian HCPs. In this study, there were no differences in likelihood of transplant referral by candidate gender.
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Affiliation(s)
| | - Bethany J Foster
- Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, QC, Canada
- Division of Nephrology, Department of Pediatrics, McGill University Faculty of Medicine, QC, Canada
| | - Karthik K Tennankore
- Division of Nephrology, Department of Medicine, Dalhousie University, NS, Canada
- Nova Scotia Health, NS, Canada
| | - Amanda J Vinson
- Division of Nephrology, Department of Medicine, Dalhousie University, NS, Canada
- Nova Scotia Health, NS, Canada
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19
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Natale P, Hecking M, Kurnikowski A, Scholes-Robertson N, Carrero JJ, Wong G, Strippoli G, Jaure A. Perspectives of Nephrologists on Gender Disparities in Access to Kidney Transplantation. Clin J Am Soc Nephrol 2023; 18:1333-1342. [PMID: 37471097 PMCID: PMC10578624 DOI: 10.2215/cjn.0000000000000238] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/13/2023] [Indexed: 07/21/2023]
Abstract
BACKGROUND Gender disparities in access to kidney transplantation are apparent, with women being up to 20% less likely to receive kidney transplant compared with men across different settings and socioeconomic backgrounds. We aimed to describe nephrologists' perspectives on gender disparities in access to kidney transplantation. METHODS Fifty-one nephrologists (55% women) from 22 countries participated in semistructured interviews from October 2019 to April 2020. We analyzed the transcripts thematically. RESULTS We identified three themes: caregiving as a core role (coordinators of care for partners, fulfilling family duties over own health, maternal protectiveness, and inherent willingness and generosity), stereotyping and stigma (authority held by men in decision making, protecting the breadwinner, preserving body image and appearance, and safeguard fertility), social disadvantage and vulnerability (limited information and awareness, coping alone and lack of support, disempowered by language barriers, lack of financial resources, and without access to transport). CONCLUSIONS Gender disparities in access to kidney transplantation are perceived by nephrologists to be exacerbated by gender norms and values, stigma and prejudice, and educational and financial disadvantages that are largely encountered by women compared with men across different socioeconomic settings.
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Affiliation(s)
- Patrizia Natale
- Sydney School of Public Health, The University of Sydney, Sydney, New South Wales, Australia
- Department of Precision and Regenerative Medicine and Ionian Area (DIMEPRE-J), University of Bari Aldo Moro, Bari, Italy
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Manfred Hecking
- Clinical Division of Nephrology and Dialysis, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Amelie Kurnikowski
- Clinical Division of Nephrology and Dialysis, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Nicole Scholes-Robertson
- Sydney School of Public Health, The University of Sydney, Sydney, New South Wales, Australia
- Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, New South Wales, Australia
| | - Juan Jesus Carrero
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Germaine Wong
- Sydney School of Public Health, The University of Sydney, Sydney, New South Wales, Australia
- Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, New South Wales, Australia
- Renal Medicine, Westmead Hospital, Westmead, New South Wales, Australia
| | - Giovanni Strippoli
- Sydney School of Public Health, The University of Sydney, Sydney, New South Wales, Australia
- Department of Precision and Regenerative Medicine and Ionian Area (DIMEPRE-J), University of Bari Aldo Moro, Bari, Italy
| | - Allison Jaure
- Sydney School of Public Health, The University of Sydney, Sydney, New South Wales, Australia
- Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, New South Wales, Australia
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20
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Mayne KJ, Sullivan MK, Lees JS. Sex and gender differences in the management of chronic kidney disease and hypertension. J Hum Hypertens 2023; 37:649-653. [PMID: 37369830 PMCID: PMC10403346 DOI: 10.1038/s41371-023-00843-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/14/2023] [Accepted: 06/19/2023] [Indexed: 06/29/2023]
Affiliation(s)
- Kaitlin J Mayne
- School of Cardiovascular and Metabolic Health, College of Medical and Veterinary Life Sciences, University of Glasgow, Glasgow, UK.
- Medical Research Council Population Health Research Unit, Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK.
| | - Michael K Sullivan
- School of Cardiovascular and Metabolic Health, College of Medical and Veterinary Life Sciences, University of Glasgow, Glasgow, UK
| | - Jennifer S Lees
- School of Cardiovascular and Metabolic Health, College of Medical and Veterinary Life Sciences, University of Glasgow, Glasgow, UK
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21
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Sleiman J, Soler Pujol G, Montañez E, Roatta V, Laham G. Access to treatment in chronic kidney disease, dialysis and transplantation. Is there gender equality? Front Med (Lausanne) 2023; 10:1176975. [PMID: 37415763 PMCID: PMC10321413 DOI: 10.3389/fmed.2023.1176975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 06/01/2023] [Indexed: 07/08/2023] Open
Abstract
Sex and gender are often used as synonyms. However, while sex describes only a biological state, gender is a dynamic concept that takes into account psychosocial and cultural aspects of human existence that can change according to place and time. Inequality in medicine has been described in several areas. Among them, gender inequality has been disregarded for many years and is now a matter of concern. Chronic kidney disease (CKD) is a growing epidemic worldwide, affecting approximately 10% of the population. Although both men and women are affected, gender equality, especially in access to different treatments, is a matter of concern. We decided to investigate gender equality in patients with CKD. To this end, we conducted a literature narrative review to determine whether gender inequalities were found in CKD patients in general and in access to different treatment modalities in particular. A non-language restricted search was performed until November 30th 2022 in PubMed, SciELO, Trip Database, Google Scholar, MEDES y MEDLINE. We also investigated the situation in this regard in our country. We found that CKD is more prevalent in women than men, nevertheless this prevalence decreases along the CKD stages to the point that more men reach end stage kidney disease (ESKD) and dialysis. Access to transplant (ATT) is higher in men than in women although posttransplant survival shows no gender differences. Finally, most series have shown that women are more frequently Kidney transplantation (KT) living donors than men. Results in our country are similar to the published literature with the exception of a higher proportion of men as KT living donors. As in other areas, gender inequality in Nephrology has been largely overlooked. In this review we have highlighted gender differences in CKD patients. Gender inequality in Nephrology exists and needs to be looked upon in order to reach a personalized clinical approach.
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22
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Laengst E, Crettaz D, Tissot JD, Prudent M. The Effect of the Donor's and Recipient's Sex on Red Blood Cells Evaluated Using Transfusion Simulations. Cells 2023; 12:1454. [PMID: 37296575 PMCID: PMC10252512 DOI: 10.3390/cells12111454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/21/2023] [Accepted: 05/11/2023] [Indexed: 06/12/2023] Open
Abstract
The hypothesis of the potential impact of the sex of red blood cell (RBC) concentrate (RCC) donors, as well as the sex of the recipients, on the clinical outcome, is still under evaluation. Here, we have evaluated the sex impact on RBC properties using in vitro transfusion models. Using a "flask model", RBCs from RCCs (representing the donor)-at different storage lengths-were incubated in a sex-matched and sex-mismatched manner with fresh frozen plasma pools (representing the recipient) at 37 °C, with 5% of CO2 up to 48 h. Standard blood parameters, hemolysis, intracellular ATP, extracellular glucose and lactate were quantified during incubation. Additionally, a "plate model", coupling hemolysis analysis and morphological study, was carried out in similar conditions in 96-well plates. In both models, RBCs from both sexes hemolyzed significantly less in female-derived plasma. No metabolic or morphological differences were observed between sex-matched and -mismatched conditions, even though ATP was higher in female-derived RBCs during incubations. Female plasma reduced hemolysis of female- as well as male-derived RBCs, which may be related to a sex-dependent plasma composition and/or sex-related intrinsic RBC properties.
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Affiliation(s)
- Emmanuel Laengst
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, 1066 Epalinges, Switzerland; (E.L.)
- Faculté de Biologie et de Médecine, University of Lausanne, 1011 Lausanne, Switzerland
| | - David Crettaz
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, 1066 Epalinges, Switzerland; (E.L.)
| | - Jean-Daniel Tissot
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, 1066 Epalinges, Switzerland; (E.L.)
| | - Michel Prudent
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, 1066 Epalinges, Switzerland; (E.L.)
- Faculté de Biologie et de Médecine, University of Lausanne, 1011 Lausanne, Switzerland
- Center for Research and Innovation in Clinical Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1211 Geneva, Switzerland
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23
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Almeida M, Calheiros Cruz G, Sousa C, Figueiredo C, Ventura S, Silvano J, Pedroso S, Martins LS, Ramos M, Malheiro J. External Validation of the Toulouse-Rangueil Predictive Model to Estimate Donor Renal Function After Living Donor Nephrectomy. Transpl Int 2023; 36:11151. [PMID: 37008717 PMCID: PMC10065159 DOI: 10.3389/ti.2023.11151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 03/07/2023] [Indexed: 03/19/2023]
Abstract
A predictive model to estimate post-donation glomerular filtration rate (eGFR) and risk of CKD at 1-year was developed from a Toulouse-Rangueil cohort in 2017 and showed an excellent correlation to the observed 1-year post-donation eGFR. We retrospectively analyzed all living donor kidney transplants performed at a single center from 1998 to 2020. Observed eGFR using CKD-EPI formula at 1-year post-donation was compared to the predicted eGFR using the formula eGFR (CKD-EPI, mL/min/1.73 m2) = 31.71+ (0.521 × preoperative eGFR) − (0.314 × age). 333 donors were evaluated. A good correlation (Pearson r = 0.67; p < 0.001) and concordance (Bland-Altman plot with 95% limits of agreement −21.41–26.47 mL/min/1.73 m2; p < 0.001) between predicted and observed 1-year post-donation eGFR were observed. The area under the ROC curve showed a good discriminative ability of the formula in predicting observed CKD at 1-year post-donation (AUC = 0.83; 95% CI: 0.78–0.88; p < 0.001) with optimal cutoff corresponding to a predicted eGFR of 65.25 mL/min/1.73 m2 in which the sensibility and specificity to predict CKD were respectively 77% and 75%. The model was successfully validated in our cohort, a different European population. It represents a simple and accurate tool to assist in evaluating potential donors.
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Affiliation(s)
- Manuela Almeida
- Nephrology Department, Centro Hospitalar Universitário do Porto, Porto, Portugal
- Unit for Multidisciplinary Research in Biomedicine, Abel Salazar Institute of Biomedical Sciences, University of Porto, Porto, Portugal
- *Correspondence: Manuela Almeida,
| | | | - Círia Sousa
- Centro Hospitalar de Trás os Montes e Alto Douro, Vila Real, Portugal
| | | | - Sofia Ventura
- Nephrology Department, Centro Hospitalar Universitário do Porto, Porto, Portugal
| | - José Silvano
- Nephrology Department, Centro Hospitalar Universitário do Porto, Porto, Portugal
- Unit for Multidisciplinary Research in Biomedicine, Abel Salazar Institute of Biomedical Sciences, University of Porto, Porto, Portugal
| | - Sofia Pedroso
- Nephrology Department, Centro Hospitalar Universitário do Porto, Porto, Portugal
- Unit for Multidisciplinary Research in Biomedicine, Abel Salazar Institute of Biomedical Sciences, University of Porto, Porto, Portugal
| | - La Salete Martins
- Nephrology Department, Centro Hospitalar Universitário do Porto, Porto, Portugal
- Unit for Multidisciplinary Research in Biomedicine, Abel Salazar Institute of Biomedical Sciences, University of Porto, Porto, Portugal
| | - Miguel Ramos
- Departamento de Cirurgia, Centro Hospitalar Universitário do Porto, Porto, Portugal
| | - Jorge Malheiro
- Nephrology Department, Centro Hospitalar Universitário do Porto, Porto, Portugal
- Unit for Multidisciplinary Research in Biomedicine, Abel Salazar Institute of Biomedical Sciences, University of Porto, Porto, Portugal
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24
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Ernst Z, Wilson A, Peña A, Love M, Moore T, Vassar M. Factors associated with health inequities in access to kidney transplantation in the USA: A scoping review. Transplant Rev (Orlando) 2023; 37:100751. [PMID: 36958131 DOI: 10.1016/j.trre.2023.100751] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 02/22/2023] [Accepted: 02/25/2023] [Indexed: 03/25/2023]
Abstract
BACKGROUND The kidney is the most needed organ for transplantation in the United States. However, demand and scarcity of this organ has caused significant inequities for historically marginalized groups. In this review, we report on the frequency of inequities in all steps of kidney transplantation from 2016 to 2022. Search criteria was based on the National Institute of Health's (NIH) 2022 list of populations who experience health inequities, which includes: race and ethnicity; sex or gender; Lesbian, Gay, Bisexual, Transgender, Queer + (LGBTQ+); underserved rural communities; education level; income; and occupation status. We outline steps for future research aimed at assessing interventions and programs to improve health outcomes. METHODS This scoping review was developed following guidelines from the Joanna Briggs Institute and PRISMA extension for scoping reviews. In July 2022, we searched Medline (via PubMed) and Ovid Embase databases to identify articles addressing inequities in access to kidney transplantation in the United States. Articles had to address at least one of the NIH's 2022 health inequity groups. RESULTS Our sample of 44 studies indicate that Black race, female sex or gender, and low socioeconomic status are negatively associated with referral, evaluation, and waitlisting for kidney transplantation. Furthermore, only two studies from our sample investigated LGBTQ+ identity since the NIH's addition of SGM in 2016 regarding access to transplantation. Lastly, we found no detectable trend in studies for the four most investigated inequity groups between 2016 and 2022. CONCLUSION Investigations in inequities for access to kidney transplantation for the two most studied groups, race/ethnicity and sex or gender, have shown no change in frequencies. Regarding race and ethnicity, continued interventions focused on educating Black patients and staff of dialysis facilities may increase transplant rates. Studies aimed at assessing effectiveness of the Kidney Paired Donation program are highly warranted due to incompatibility problems in female patients. The sparse representation for the LGBTQ+ population may be due to a lack of standardized data collection for sexual orientation. We recommend this community be engaged via surveys and further investigations.
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Affiliation(s)
- Zachary Ernst
- Office of Medical Student Research, Oklahoma State University Center for Health Sciences, Tulsa, OK, United States of America.
| | - Andrew Wilson
- Office of Medical Student Research, Oklahoma State University Center for Health Sciences, Tulsa, OK, United States of America
| | - Andriana Peña
- Office of Medical Student Research, Oklahoma State University Center for Health Sciences, Tulsa, OK, United States of America
| | - Mitchell Love
- Office of Medical Student Research, Oklahoma State University Center for Health Sciences, Tulsa, OK, United States of America
| | - Ty Moore
- Office of Medical Student Research, Oklahoma State University Center for Health Sciences, Tulsa, OK, United States of America
| | - Matt Vassar
- Office of Medical Student Research, Oklahoma State University Center for Health Sciences, Tulsa, OK, United States of America; Department of Psychiatry and Behavioral Sciences, Oklahoma State University Center for Health Sciences, Tulsa, OK, United States of America.
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25
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Sawinski D, Lai JC, Pinney S, Gray AL, Jackson AM, Stewart D, Levine DJ, Locke JE, Pomposelli JJ, Hartwig MG, Hall SA, Dadhania DM, Cogswell R, Perez RV, Schold JD, Turgeon NA, Kobashigawa J, Kukreja J, Magee JC, Friedewald J, Gill JS, Loor G, Heimbach JK, Verna EC, Walsh MN, Terrault N, Testa G, Diamond JM, Reese PP, Brown K, Orloff S, Farr MA, Olthoff KM, Siegler M, Ascher N, Feng S, Kaplan B, Pomfret E. Addressing sex-based disparities in solid organ transplantation in the United States - a conference report. Am J Transplant 2023; 23:316-325. [PMID: 36906294 DOI: 10.1016/j.ajt.2022.11.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 10/17/2022] [Accepted: 11/04/2022] [Indexed: 01/15/2023]
Abstract
Solid organ transplantation provides the best treatment for end-stage organ failure, but significant sex-based disparities in transplant access exist. On June 25, 2021, a virtual multidisciplinary conference was convened to address sex-based disparities in transplantation. Common themes contributing to sex-based disparities were noted across kidney, liver, heart, and lung transplantation, specifically the existence of barriers to referral and wait listing for women, the pitfalls of using serum creatinine, the issue of donor/recipient size mismatch, approaches to frailty and a higher prevalence of allosensitization among women. In addition, actionable solutions to improve access to transplantation were identified, including alterations to the current allocation system, surgical interventions on donor organs, and the incorporation of objective frailty metrics into the evaluation process. Key knowledge gaps and high-priority areas for future investigation were also discussed.
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Affiliation(s)
- Deirdre Sawinski
- Weill Cornell Medicine - New York Presbyterian Hospital, New York, New York, USA.
| | - Jennifer C Lai
- Division of Gastroenterology and Hepatology, University of California, San Francisco, California, USA
| | - Sean Pinney
- University of Chicago Medicine, Chicago, Illinois, USA
| | - Alice L Gray
- University of Colorado Anschutz Medical Center, Aurora, Colorado, USA
| | - Annette M Jackson
- Department of Surgery, Duke University, Department of Surgery, Durham, Carolina, USA
| | - Darren Stewart
- United Network for Organ Sharing, Richmond, Virginia, USA
| | | | - Jayme E Locke
- University of Alabama at Birmingham, Heersink School of Medicine, Birmingham, Alabama, USA
| | - James J Pomposelli
- Department of Surgery University of Colorado, Anschutz Medical Campus, Aurora, Colorado, USA; Colorado Center for Transplantation Care, Research and Education (CCTCARE), Aurora, Colorado, USA
| | | | | | - Darshana M Dadhania
- Weill Cornell Medicine - New York Presbyterian Hospital, New York, New York, USA
| | - Rebecca Cogswell
- University of Minnesota Medical Center, Minneapolis, Minnesota, USA
| | - Richard V Perez
- Department of Surgery, University of California, Davis, School of Medicine, Sacramento, California, USA
| | - Jesse D Schold
- Department of Quantitative Health Sciences, Cleveland Clinic, Cleveland, Ohio, USA
| | | | - Jon Kobashigawa
- Cedars-Sinai Smidt Heart Institute, Los Angeles, California, USA
| | - Jasleen Kukreja
- Department of Surgery, University of California, San Francisco, California, USA
| | - John C Magee
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan, USA
| | - John Friedewald
- Northwestern University Feinberg School of Medicine, Chicago, Illinois USA
| | - John S Gill
- Division of Nephrology, University of British Columbia, St Paul's Hospital, Vancouver, British Columbia, Canada
| | - Gabriel Loor
- Baylor College of Medicine Lung Institute, Houston, Texas, USA
| | | | - Elizabeth C Verna
- Center for Liver Disease and Transplantation, Columbia University, Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Mary Norine Walsh
- Ascension St Vincent Heart Center, Indianapolis, Indianapolis, Indiana, USA
| | - Norah Terrault
- Keck Medicine of University of Southern California, Los Angeles, California, USA
| | - Guiliano Testa
- Annette C. and Harold C. Simmons Transplant Institute, Baylor University Medical Center, Dallas, Texas, USA
| | - Joshua M Diamond
- Division of Pulmonary, Allergy, and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Peter P Reese
- Division of Renal, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | - Susan Orloff
- Division of Abdominal Organ Transplantation and Hepatobiliary Surgery, Department of Surgery, Portland, Oregon, USA
| | - Maryjane A Farr
- Division of Cardiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Kim M Olthoff
- Department of Surgery, Penn Transplant Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mark Siegler
- University of Chicago Medicine, Chicago, Illinois, USA; MacLean Center for Clinical Medical Ethics, University of Chicago, Chicago, Illinois, USA
| | - Nancy Ascher
- Division of Transplant Surgery, Department of Surgery, University of California San Francisco, San Francisco, California, USA
| | - Sandy Feng
- Division of Transplant Surgery, Department of Surgery, University of California San Francisco, San Francisco, California, USA
| | - Bruce Kaplan
- Department of Surgery University of Colorado, Anschutz Medical Campus, Aurora, Colorado, USA; Colorado Center for Transplantation Care, Research and Education (CCTCARE), Aurora, Colorado, USA
| | - Elizabeth Pomfret
- Department of Surgery University of Colorado, Anschutz Medical Campus, Aurora, Colorado, USA; Colorado Center for Transplantation Care, Research and Education (CCTCARE), Aurora, Colorado, USA
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26
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Ahmed SB. Introduction: Sex and Gender in Kidney Health and Disease: Time for a Paradigm Shift. Semin Nephrol 2022; 42:99-100. [PMID: 35718370 DOI: 10.1016/j.semnephrol.2022.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Sofia B Ahmed
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Alberta Kidney Disease Network, Calgary, Alberta, Canada; Libin Cardiovascular Institute, Calgary, Alberta, Canada; O'Brien Institute for Public Health, Calgary, Alberta, Canada
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