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Combined liver and kidney transplantation: Experience and outcomes at Baskent university 肝肾联合移植:巴斯肯特大学的经验和结果
Q4 Medicine Pub Date : 2025-12-15 DOI: 10.1016/j.tpr.2025.100191
Adem Şafak , Emre Karakaya , Sedat Yildirim , Nedim Çekmen , Adnan Torgay , Figen Özçay , Sıdıka Esra Baskin , Mehmet Haberal

Introduction

Combined liver and kidney transplantation (CLKT) is a complex but essential procedure in selected patients with dual organ failure. We present our single-center experience with CLKT in children and adults.

Materials and Methods

We retrospectively analyzed 11 patients who underwent CLKT at our center between 1988 and 2024 regarding demographic and clinical data, including age, sex, transplant type (simultaneous/sequential), etiology, dialysis status, graft/patient survival, rejection, and oxalate levels. We also evaluated lymphocyte cross-match, panel reactive antibody screening, and complement-dependent cytotoxicity testing.

Results

Patients included 7 female and 4 male patients (mean age 18 years); 8 were pediatric and 3 were adult recipients. One patient with primary hyperoxaluria underwent a simultaneous liver-kidney transplant, and 10 patients received sequential transplants. Six patients were diagnosed with primary hyperoxaluria. The patient with simultaneous deceased donor transplant experienced early graft loss due to oxalate deposition and humoral rejection. Four patients experienced kidney graft rejection (1 cellular, 3 humoral). One patient with cryptogenic cirrhosis and persistent hepatorenal syndrome died from sepsis in the early postoperative period. A patient with progressive familial intrahepatic cholestasis later developed focal segmental glomerulosclerosis, which was potentially related to long-term tacrolimus exposure. Another patient required graft nephrectomy following thrombotic microangiopathy. The remaining 8 patients had favorable long-term outcomes without significant complications.

Conclusions

Our experience supports the staged transplant approach for hyperoxaluria and highlights the importance of individualized immunosuppressive strategies. Renal grafts were more susceptible, underscoring the need for vigilant immunologic assessment. Further multicenter studies are warranted to optimize transplant timing and improve outcomes in this complex patient population.
肝肾联合移植(CLKT)是一项复杂但必要的手术,用于选择双器官衰竭的患者。我们介绍了儿童和成人CLKT的单中心治疗经验。材料和方法我们回顾性分析了1988年至2024年间在我们中心接受CLKT的11例患者的人口统计学和临床数据,包括年龄、性别、移植类型(同时/顺序)、病因、透析状态、移植/患者生存、排斥反应和草酸盐水平。我们还评估了淋巴细胞交叉匹配,小组反应性抗体筛选和补体依赖性细胞毒性测试。结果患者中女性7例,男性4例,平均年龄18岁;8名儿童和3名成人接受者。1例原发性高血氧症患者同时接受了肝肾移植,10例患者接受了序贯移植。6例患者被诊断为原发性高血氧血症。同时死亡供者移植的患者由于草酸沉积和体液排斥而经历早期移植物丢失。4例患者出现肾移植排斥反应(1例细胞性,3例体液性)。1例隐源性肝硬化合并持续性肝肾综合征患者术后早期死于败血症。一名进行性家族性肝内胆汁淤积症患者后来发展为局灶节段性肾小球硬化,这可能与长期暴露于他克莫司有关。另一名患者在血栓性微血管病变后需要移植肾切除术。其余8例患者长期预后良好,无明显并发症。结论sour的经验支持分阶段移植治疗高草酸尿的方法,并强调个体化免疫抑制策略的重要性。肾移植更容易感染,因此需要警惕免疫评估。在这一复杂的患者群体中,需要进一步的多中心研究来优化移植时机和改善预后。
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引用次数: 0
Cardiopulmonary resuscitation does not affect donation in uncontrolled donation after circulatory death procedures 在循环死亡程序后的非受控捐赠中,心肺复苏不影响捐赠
Q4 Medicine Pub Date : 2025-12-01 DOI: 10.1016/j.tpr.2025.100185
Alonso A Mateos Rodriguez , Fernando Neria Serrano , Jose Maria Navalpotro Pascual , Maria Jose Polonio Anguas , Cristina de la Torre Toyos , Carlos Rubio Chacón

Introduction

The uncontrolled donation after circulatory death process is started upon cardiac arrest (CA). Although the initial objective of all emergency services is to recover a pulse after said CA, if this is not possible there is a possibility of initiating uncontrolled donation after circulatory death procedures. The aim of this study is to evaluate the actions implemented to resolve CA and how they may affect subsequent donation.

Materials and methods

A double-perspective observational study to study the association between the actions carried out to revert CA and the efficacy of donors in uncontrolled asystole. Data were collected between 2018 and November 2023. Patients who experienced an out-of-hospital CA with no response to advanced cardiopulmonary resuscitation, and who complied with all inclusion criteria and none of the exclusion criteria, were included. The following information was collected: age, sex, initial heart rate, adrenalin, amiodarone, serum therapy, inotropics, bicarbonate, magnesium sulfate, rapid intubation sequence, fibrinolysis, acetylsalicylic acid, atropine, number of defibrillations, use of an automatic defibrillator and discharges thereof, transitory recovery of pulse and initial heart rate. The statistical analysis was carried out using the R software package (ver. 4.1). An effective donor was defined as one from whom at least one organ was extracted and transplanted, and a non-effective donor as one from whom no organs were transplanted.

Results

A total of 69 patients, with a mean age of 49 years (43–52), the majority of whom were male (88.4 %), were collected. A total of 43 of these patients were non-effective donors and 26 were effective, with a statistically significant difference being found in terms of younger age (51 vs 46; p = 0.020). In the case of non-effective donors, eight adrenalin doses were administered compared with seven for the effective donor group, with the difference being statistically significant (p = 0.012). Fibrinolysis was used in eight cases (11.8 %), with two of these being non-effective donors and six effective; this difference was also statistically significant (p = 0.044). The remaining variables did not differ significantly.

Conclusion

On the basis of our series, only a lower use of adrenaline and the use of fibrinolytic agents appear to result in an effective donation if a pulse cannot be recovered. The other variables do not affect the efficacy of donation after uncontrolled circulatory death.
在心脏骤停(CA)时开始循环死亡过程后的非受控捐献。尽管所有急救服务的最初目标都是在上述心脏骤停后恢复脉搏,但如果无法做到这一点,则有可能在循环性死亡程序后启动不受控制的捐赠。本研究的目的是评估为解决CA而实施的行动,以及它们如何影响随后的捐赠。材料与方法采用双视角观察性研究,研究供体无控制心脏骤停时CA恢复措施与供体疗效之间的关系。数据收集于2018年至2023年11月之间。经历过院外CA且对晚期心肺复苏无反应的患者,符合所有纳入标准而不符合排除标准的患者被纳入研究。收集以下信息:年龄、性别、初始心率、肾上腺素、胺碘酮、血清治疗、抗缩药、碳酸氢盐、硫酸镁、快速插管顺序、纤溶、乙酰水杨酸、阿托品、除颤器次数、自动除颤器使用及出院情况、短暂性脉搏恢复及初始心率。统计分析采用R软件包(ver。4.1)。有效供体被定义为至少从其身上提取并移植了一个器官,而非有效供体被定义为没有从其身上移植器官。结果共收集69例患者,平均年龄49岁(43 ~ 52岁),男性居多(88.4%)。无效献血者43例,有效献血者26例,在年龄上差异有统计学意义(51 vs 46; p = 0.020)。在非有效供体的情况下,给予8剂肾上腺素,而有效供体组给予7剂,差异有统计学意义(p = 0.012)。8例(11.8%)使用纤溶治疗,其中2例无效,6例有效;差异也有统计学意义(p = 0.044)。其余变量无显著差异。结论:根据我们的系列研究,如果脉搏不能恢复,只有较低的肾上腺素和纤溶药物的使用才会导致有效的捐献。其他变量不影响无控制循环性死亡后捐献的效果。
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引用次数: 0
Prostaglandin E1 (PGE1) in renal transplantation 前列腺素E1 (PGE1)在肾移植中的作用
Q4 Medicine Pub Date : 2025-12-01 DOI: 10.1016/j.tpr.2025.100188
Markus Dehnhardt , Bettina Leber , Gerd Wawrik , Philipp Stiegler
Prostaglandin E1 (PGE1), also known as Alprostadil, has been widely studied for its positive effects in solid organ transplantation. This pharmacological agent offers notable benefits in heart, lung, and particularly liver and kidney transplants, leading to improved outcomes such as reduced ischaemia-reperfusion injury (IRI), better graft viability, and increased patient survival.
Evidence suggests that PGE1 is effective in organ preservation, reducing IRI, preventing primary graft dysfunction, improving both short- and long-term survival, shortening stays in the intensive care unit (ICU), and decreasing the risk of acute kidney failure, especially after liver transplantation.
The principal biological actions of PGE1, which make the compound a valuable tool in organ transplantation are the following: it acts as a vasodilator, improving organ perfusion by reducing peripheral vascular resistance in the kidney and liver. Furthermore, it provides cytoprotection and has anti-inflammatory effects, shielding cells and tissues from IRI, lowering oxidative stress, and moderating immune responses. Finally, PGE1 has established anti-platelet and fibrinolytic properties: it inhibits platelet aggregation and promotes fibrinolysis, further protecting the graft, impacting the platelet activation, and especially their release of potassium ions during activation. These combined effects—vasodilation, cytoprotection, anti-inflammation, and anti-platelet activity—lead to better clinical outcomes, including faster organ function recovery, improved graft and patient survival, and a reduced risk of acute rejection.
In kidney transplantation, PGE1 has been shown to protect organs when administered during machine perfusion (but not during cold storage). It enhances renal function during reperfusion, lowers vascular resistance, and limits IRI, when given immediately after reperfusion. By reducing oxidative stress and inflammation, PGE1 supports quicker graft recovery and better overall results.
PGE1’s rapid metabolism and widespread distribution of its receptors, along with well-understood receptor-mediated effects, make it a promising option for perioperative management in solid organ transplantation. Its capacity to reduce IRI, suppress inflammation, and support vascular function is supported by strong pre-clinical and clinical evidence.
In the present review, we summarize available evidence that position PGE1 as a valuable therapeutic adjunct for improving transplantation outcomes.
前列腺素E1 (Prostaglandin E1, PGE1)又称前列地尔,因其在实体器官移植中的积极作用而被广泛研究。该药物在心脏、肺,特别是肝脏和肾脏移植中具有显著的益处,可改善预后,如减少缺血再灌注损伤(IRI),提高移植物活力,提高患者生存率。有证据表明,PGE1在器官保存、减少IRI、预防原发性移植物功能障碍、提高短期和长期生存率、缩短重症监护病房(ICU)住院时间、降低急性肾衰竭的风险方面是有效的,尤其是肝移植后。PGE1的主要生物学作用,使其成为器官移植中有价值的工具:它作为血管扩张剂,通过降低肾和肝的周围血管阻力来改善器官灌注。此外,它提供细胞保护和抗炎作用,保护细胞和组织免受IRI,降低氧化应激,并调节免疫反应。最后,PGE1具有抗血小板和纤溶的特性:抑制血小板聚集,促进纤溶,进一步保护移植物,影响血小板活化,尤其是血小板活化过程中钾离子的释放。这些综合作用——血管舒张、细胞保护、抗炎症和抗血小板活性——导致更好的临床结果,包括更快的器官功能恢复,改善移植和患者生存,降低急性排斥反应的风险。在肾移植中,PGE1已被证明在机器灌注期间(但在冷藏期间没有)给予器官保护。再灌注后立即给予,可增强再灌注时的肾功能,降低血管阻力,限制IRI。通过减少氧化应激和炎症,PGE1支持更快的移植物恢复和更好的整体效果。PGE1的快速代谢及其受体的广泛分布,以及众所周知的受体介导作用,使其成为实体器官移植围手术期管理的一个有希望的选择。其减少IRI、抑制炎症和支持血管功能的能力得到了强有力的临床前和临床证据的支持。在目前的回顾中,我们总结了现有的证据,将PGE1定位为改善移植结果的有价值的治疗辅助手段。
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引用次数: 0
Organ transplantation in brain-dead patients: Integrating immunology, life support, case studies, legal, and ethical considerations for future therapeutics 脑死亡患者的器官移植:整合免疫学、生命支持、案例研究、法律和伦理对未来治疗的考虑
Q4 Medicine Pub Date : 2025-12-01 DOI: 10.1016/j.tpr.2025.100187
Carola Ginevra Ciarlini, Konrad Fischer
This review explores the use of brain-dead organ recipients for transplantation studies, focusing on recent advancements and the scientific rationale behind this approach. Brain-dead patients serve as a crucial pre-clinical model to test the safety and feasibility of xenotransplantation, allowing researchers to assess surgical complications, immune responses, and organ function without the ethical concerns associated with living human subjects. Notable studies from the University of Alabama at Birmingham, the New York University, the University of Pennsylvania and the Air Force Medical University in Xi'an have demonstrated the potential of genetically modified pig organs, such as kidneys, hearts and livers, to reduce immune rejection and improve graft survival. These experiments highlight the complexities of managing systemic physiological responses and the need for sophisticated extracorporeal life support systems. Additionally, the ethical and legal implications of using brain-dead patients for such experimental procedures are considered, underscoring the importance of informed consent and regulatory oversight. This review underscores the promise of xenotransplantation in addressing organ shortages and advancing transplant medicine.
这篇综述探讨了脑死亡器官接受者在移植研究中的应用,重点是最近的进展和这种方法背后的科学原理。脑死亡患者可作为检验异种移植安全性和可行性的重要临床前模型,使研究人员能够评估手术并发症、免疫反应和器官功能,而无需考虑与活人受试者相关的伦理问题。来自阿拉巴马大学伯明翰分校、纽约大学、宾夕法尼亚大学和西安空军医科大学的著名研究表明,转基因猪器官,如肾脏、心脏和肝脏,在减少免疫排斥和提高移植物存活率方面具有潜力。这些实验突出了管理系统生理反应的复杂性和对复杂的体外生命支持系统的需求。此外,还考虑了使用脑死亡患者进行此类实验程序的伦理和法律影响,强调了知情同意和监管监督的重要性。这篇综述强调了异种移植在解决器官短缺和推进移植医学方面的前景。
{"title":"Organ transplantation in brain-dead patients: Integrating immunology, life support, case studies, legal, and ethical considerations for future therapeutics","authors":"Carola Ginevra Ciarlini,&nbsp;Konrad Fischer","doi":"10.1016/j.tpr.2025.100187","DOIUrl":"10.1016/j.tpr.2025.100187","url":null,"abstract":"<div><div>This review explores the use of brain-dead organ recipients for transplantation studies, focusing on recent advancements and the scientific rationale behind this approach. Brain-dead patients serve as a crucial pre-clinical model to test the safety and feasibility of xenotransplantation, allowing researchers to assess surgical complications, immune responses, and organ function without the ethical concerns associated with living human subjects. Notable studies from the University of Alabama at Birmingham, the New York University, the University of Pennsylvania and the Air Force Medical University in Xi'an have demonstrated the potential of genetically modified pig organs, such as kidneys, hearts and livers, to reduce immune rejection and improve graft survival. These experiments highlight the complexities of managing systemic physiological responses and the need for sophisticated extracorporeal life support systems. Additionally, the ethical and legal implications of using brain-dead patients for such experimental procedures are considered, underscoring the importance of informed consent and regulatory oversight. This review underscores the promise of xenotransplantation in addressing organ shortages and advancing transplant medicine.</div></div>","PeriodicalId":37786,"journal":{"name":"Transplantation Reports","volume":"10 4","pages":"Article 100187"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145624422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Serum biomarkers in cardiac allograft vasculopathy: A systematic review 同种异体心脏移植血管病变的血清生物标志物:系统综述
Q4 Medicine Pub Date : 2025-12-01 DOI: 10.1016/j.tpr.2025.100186
Farhan Ishaq , Nadia Fida , Rajarajan A. Thandavarayan , Stefano Casarin , Ashrith Guha

Introduction

Cardiac Allograft Vasculopathy (CAV) is a progressive manifestation of chronic allograft rejection in heart transplant recipients. While current diagnostic tools involve invasive and non-invasive imaging of coronary arterial anatomy and blood flow, circulating biomarkers can lead to earlier detection non-invasively.

Objective

The aim of this systematic review is to synthesize existing literature of prognostic and diagnostic circulating peripheral biomarkers of CAV.

Methods

A thorough literature search was performed on Pubmed, CINAHL, Scopus and Medline using the terms “cardiac allograft vasculopathy,” “CAV,” and “biomarkers.”

Results

The search yielded 1648 studies; 109 were included for the final review. Quality of evidence and risk of bias varied across the studies.

Conclusion

Multiple circulating biomarkers could help diagnose and prognosticate in the presence of CAV with variable diagnostic accuracy and predictability. The role of incorporating these biomarkers in traditional coronary imaging diagnostic paradigm of CAV remains to be studied.
心脏异体移植血管病变(CAV)是心脏移植受者慢性异体移植排斥反应的进行性表现。虽然目前的诊断工具涉及冠状动脉解剖和血流的侵入性和非侵入性成像,但循环生物标志物可以导致非侵入性的早期检测。目的对CAV的预后和诊断性循环外周生物标志物进行文献综述。方法在Pubmed、CINAHL、Scopus和Medline上检索“同种异体心脏移植血管病变”、“CAV”和“生物标志物”等文献。结果:共检索了1648项研究;109份列入最后审查。这些研究的证据质量和偏倚风险各不相同。结论多种循环生物标志物有助于CAV的诊断和预后,但诊断准确性和可预测性不一。将这些生物标志物纳入CAV传统冠状动脉成像诊断范式的作用仍有待研究。
{"title":"Serum biomarkers in cardiac allograft vasculopathy: A systematic review","authors":"Farhan Ishaq ,&nbsp;Nadia Fida ,&nbsp;Rajarajan A. Thandavarayan ,&nbsp;Stefano Casarin ,&nbsp;Ashrith Guha","doi":"10.1016/j.tpr.2025.100186","DOIUrl":"10.1016/j.tpr.2025.100186","url":null,"abstract":"<div><h3>Introduction</h3><div>Cardiac Allograft Vasculopathy (CAV) is a progressive manifestation of chronic allograft rejection in heart transplant recipients. While current diagnostic tools involve invasive and non-invasive imaging of coronary arterial anatomy and blood flow, circulating biomarkers can lead to earlier detection non-invasively.</div></div><div><h3>Objective</h3><div>The aim of this systematic review is to synthesize existing literature of prognostic and diagnostic circulating peripheral biomarkers of CAV.</div></div><div><h3>Methods</h3><div>A thorough literature search was performed on Pubmed, CINAHL, Scopus and Medline using the terms “cardiac allograft vasculopathy,” “CAV,” and “biomarkers.”</div></div><div><h3>Results</h3><div>The search yielded 1648 studies; 109 were included for the final review. Quality of evidence and risk of bias varied across the studies.</div></div><div><h3>Conclusion</h3><div>Multiple circulating biomarkers could help diagnose and prognosticate in the presence of CAV with variable diagnostic accuracy and predictability. The role of incorporating these biomarkers in traditional coronary imaging diagnostic paradigm of CAV remains to be studied.</div></div>","PeriodicalId":37786,"journal":{"name":"Transplantation Reports","volume":"10 4","pages":"Article 100186"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145691466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Xenotransplantation in India: Ethical challenges, historical lessons, and future prospects 印度异种器官移植:伦理挑战、历史教训和未来前景
Q4 Medicine Pub Date : 2025-11-07 DOI: 10.1016/j.tpr.2025.100184
Soumyadip Sain , Trisha Chattoraj
India faces an acute shortfall in organ donations, with a deceased donor rate of approximately 0.5 per million population—one of the lowest globally. Xenotransplantation—the transplantation of organs or tissues across species—has re-emerged internationally as a viable solution to organ shortages, particularly with advances in genetic engineering of pigs. However, its application in India is fraught with ethical complexities, religious sensitivities, biosafety concerns, and regulatory limitations. A pivotal moment in Indian medical history occurred in 1997 when Dr. Dhaniram Baruah conducted an unauthorized pig-to-human heart transplant in Assam. The operation ended in the patient's death and raised serious ethical and legal questions, shaping the Indian public and institutional attitude toward xenotransplantation. This review examines India’s current position in the global xenotransplantation landscape by critically analyzing historical precedents, sociocultural dynamics, ethical imperatives, infrastructural readiness, and regulatory gaps. It argues for a measured and inclusive approach involving the reform of legal frameworks, scientific infrastructure development, and public engagement through culturally sensitive discourse. Drawing on international guidelines and experiences, the article proposes a detailed roadmap for India’s preparedness to responsibly embrace xenotransplantation. Ethical and scientific vigilance, alongside cross-sectoral cooperation, will be key to ensuring that this frontier of medicine serves public health without compromising safety, equity, or public trust.
印度面临着器官捐献的严重短缺,每百万人中只有0.5人死亡,是全球最低的国家之一。异种移植——跨物种的器官或组织移植——作为器官短缺的可行解决方案在国际上重新出现,特别是随着猪基因工程的进展。然而,它在印度的应用充满了伦理复杂性、宗教敏感性、生物安全问题和监管限制。印度医学史上的一个关键时刻发生在1997年,当时达尼拉姆·巴鲁阿(Dhaniram Baruah)医生在阿萨姆邦进行了未经授权的猪到人的心脏移植手术。手术以病人死亡告终,引发了严重的伦理和法律问题,影响了印度公众和机构对异种移植的态度。这篇综述通过批判性地分析历史先例、社会文化动态、道德要求、基础设施准备和监管缺口,考察了印度在全球异种移植领域的当前地位。报告主张采取一种慎重和包容的方法,包括法律框架改革、科学基础设施发展和通过文化敏感话语进行公众参与。根据国际准则和经验,文章提出了印度准备负责任地接受异种移植的详细路线图。伦理和科学警惕以及跨部门合作将是确保这一医学前沿服务于公共卫生而不损害安全、公平或公众信任的关键。
{"title":"Xenotransplantation in India: Ethical challenges, historical lessons, and future prospects","authors":"Soumyadip Sain ,&nbsp;Trisha Chattoraj","doi":"10.1016/j.tpr.2025.100184","DOIUrl":"10.1016/j.tpr.2025.100184","url":null,"abstract":"<div><div>India faces an acute shortfall in organ donations, with a deceased donor rate of approximately 0.5 per million population—one of the lowest globally. Xenotransplantation—the transplantation of organs or tissues across species—has re-emerged internationally as a viable solution to organ shortages, particularly with advances in genetic engineering of pigs. However, its application in India is fraught with ethical complexities, religious sensitivities, biosafety concerns, and regulatory limitations. A pivotal moment in Indian medical history occurred in 1997 when Dr. Dhaniram Baruah conducted an unauthorized pig-to-human heart transplant in Assam. The operation ended in the patient's death and raised serious ethical and legal questions, shaping the Indian public and institutional attitude toward xenotransplantation. This review examines India’s current position in the global xenotransplantation landscape by critically analyzing historical precedents, sociocultural dynamics, ethical imperatives, infrastructural readiness, and regulatory gaps. It argues for a measured and inclusive approach involving the reform of legal frameworks, scientific infrastructure development, and public engagement through culturally sensitive discourse. Drawing on international guidelines and experiences, the article proposes a detailed roadmap for India’s preparedness to responsibly embrace xenotransplantation. Ethical and scientific vigilance, alongside cross-sectoral cooperation, will be key to ensuring that this frontier of medicine serves public health without compromising safety, equity, or public trust.</div></div>","PeriodicalId":37786,"journal":{"name":"Transplantation Reports","volume":"10 4","pages":"Article 100184"},"PeriodicalIF":0.0,"publicationDate":"2025-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145500418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improving access to minorities with A2 to B kidney transplantation: A systematic review and meta-analysis 改善少数民族A2到B肾移植的可及性:一项系统回顾和荟萃分析
Q4 Medicine Pub Date : 2025-07-03 DOI: 10.1016/j.tpr.2025.100181
Patricia Viana , Maria Meritxell Roca Mora , Jorge Eduardo Persson , André Milani-Reis , Harold Cliff Sullivan , Idelberto Raul Badell , Juliano Riella

Background

Studies have shown that A2 kidney transplants for blood group B recipients offer comparable graft and patient survival rates to ABO-compatible transplants, potentially improving transplant access for B recipients. However, the adoption of this strategy has been controversial.

Methods

We conducted a Systematic-Review and Meta-Analysis, comparing non-A1to B versus B to B blood type in kidney transplant patients. MEDLINE, Embase, and Cochrane databases were searched for studies that met our inclusion criteria. We analyzed binary and continuous endpoints using odds ratios (OR) and mean difference (MD), respectively, with a 95% confidence interval (CI). P-value < 0.05 was considered statistically significant.

Results

We included five studies with 14,959 patients, of whom 2,121 (14.2%) were non-A1 to B blood. No statistically significant differences were found between the groups for patient survival (OR 1.08; 95% CI 0.95 to 1.22; p=0.6), graft survival (OR 1.1; 95% CI 0.99 to 1.23; p=0.96), eGRF (MD 7.8 mL/min/1.73m2; 95% CI -8.27 to 23.87 mL/min/1.73m2; p=1.0), antibody-mediated rejection (OR 1.51; 95% CI 0.43 to 5.28; p = 0.52), and T-cell-mediated rejection (OR 1.12; 95% CI 0.43 to 2.93; p = 0.81).

Conclusion

We found no significant differences in patient and graft survival between non-A1 to B and B to B kidney transplantation. This finding underscores the potential to expand the donor pool without compromising outcomes, which has a profound impact on reducing waiting times and improving equity in renal transplant access.
研究表明,B血型受者的A2肾移植与abo相容移植相比具有相当的移植和患者存活率,可能改善B血型受者的移植可及性。然而,这一策略的采用一直存在争议。方法:我们进行了一项系统综述和荟萃分析,比较非a1血型与B血型与B血型的肾移植患者。检索MEDLINE、Embase和Cochrane数据库,寻找符合我们纳入标准的研究。我们分别使用优势比(OR)和平均差(MD)分析二元终点和连续终点,置信区间为95%。假定值& lt;0.05认为有统计学意义。结果我们纳入了5项研究,14959例患者,其中2121例(14.2%)为非a1 - B血。两组患者生存率差异无统计学意义(OR 1.08;95% CI 0.95 ~ 1.22;p=0.6),移植物存活(OR 1.1;95% CI 0.99 ~ 1.23;p=0.96), eGRF (MD 7.8 mL/min/1.73m2;95% CI -8.27 ~ 23.87 mL/min/1.73m2;p=1.0),抗体介导的排斥反应(OR 1.51;95% CI 0.43 ~ 5.28;p = 0.52)和t细胞介导的排斥反应(OR 1.12;95% CI 0.43 ~ 2.93;P = 0.81)。结论非a1到B肾移植与B到B肾移植在患者和移植物存活方面无显著差异。这一发现强调了在不影响结果的情况下扩大供体池的潜力,这对减少等待时间和提高肾移植获得的公平性具有深远的影响。
{"title":"Improving access to minorities with A2 to B kidney transplantation: A systematic review and meta-analysis","authors":"Patricia Viana ,&nbsp;Maria Meritxell Roca Mora ,&nbsp;Jorge Eduardo Persson ,&nbsp;André Milani-Reis ,&nbsp;Harold Cliff Sullivan ,&nbsp;Idelberto Raul Badell ,&nbsp;Juliano Riella","doi":"10.1016/j.tpr.2025.100181","DOIUrl":"10.1016/j.tpr.2025.100181","url":null,"abstract":"<div><h3>Background</h3><div>Studies have shown that A2 kidney transplants for blood group B recipients offer comparable graft and patient survival rates to ABO-compatible transplants, potentially improving transplant access for B recipients. However, the adoption of this strategy has been controversial.</div></div><div><h3>Methods</h3><div>We conducted a Systematic-Review and Meta-Analysis, comparing non-A1to B versus B to B blood type in kidney transplant patients. MEDLINE, Embase, and Cochrane databases were searched for studies that met our inclusion criteria. We analyzed binary and continuous endpoints using odds ratios (OR) and mean difference (MD), respectively, with a 95% confidence interval (CI). P-value &lt; 0.05 was considered statistically significant.</div></div><div><h3>Results</h3><div>We included five studies with 14,959 patients, of whom 2,121 (14.2%) were non-A1 to B blood. No statistically significant differences were found between the groups for patient survival (OR 1.08; 95% CI 0.95 to 1.22; p=0.6), graft survival (OR 1.1; 95% CI 0.99 to 1.23; p=0.96), eGRF (MD 7.8 mL/min/1.73m<sup>2</sup>; 95% CI -8.27 to 23.87 mL/min/1.73m<sup>2</sup>; p=1.0), <u>antibody-mediated rejection (OR 1.51; 95% CI 0.43 to 5.28; p = 0.52), and T-cell-mediated rejection (OR 1.12; 95% CI 0.43 to 2.93; p = 0.81)</u>.</div></div><div><h3>Conclusion</h3><div>We found no significant differences in patient and graft survival between non-A1 to B and B to B kidney transplantation. This finding underscores the potential to expand the donor pool without compromising outcomes, which has a profound impact on reducing waiting times and improving equity in renal transplant access.</div></div>","PeriodicalId":37786,"journal":{"name":"Transplantation Reports","volume":"10 3","pages":"Article 100181"},"PeriodicalIF":0.0,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144757498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of tacrolimus formulation on neurocognition in older kidney transplant recipients: A randomized controlled trial 他克莫司制剂对老年肾移植受者神经认知的影响:一项随机对照试验
Q4 Medicine Pub Date : 2025-05-31 DOI: 10.1016/j.tpr.2025.100178
Hadia Lala Gul , Macey Sockolov , Katherine Howes , Amanpreet Kaur , Michelle Occhipinti , Heejung Bang , Muna Alnimri , Yihung Huang , Joy Dray , Ling-Xin Chen

Background

Tacrolimus is known to cause neurotoxicities that may be more severe in older individuals. We aimed to compare the neurocognitive side effects of immediate release (IR) and LCP tacrolimus in older kidney transplant recipients in the early post-transplant period.

Methods

In this single center, open-label, randomized and controlled trial of 64 kidney transplant recipients aged 60 or above, participants were randomized to LCP tacrolimus or IR tacrolimus between 4- and 8-weeks post-transplantation and followed for 6-weeks. The primary outcome of neurocognitive performance at 6-weeks compared with baseline was assessed by the Montreal Cognitive Assessment (MoCA) and Digit Symbol Substitution Test (DSST). Secondary outcomes included health-related quality of life as measured by the Quality of Life in Essential Tremor Questionnaire (QUEST) and Organ Transplant Symptom and Wellbeing Instrument (OTSWI).

Results

32 patients were randomized to IR tacrolimus and 31 to LCP tacrolimus. In the IR tacrolimus arm, the MOCA score increased by 1.2 points (SD 2.1) and the DSST score increased by 1.0 points (SD 7.8). In the LCP tacrolimus arm, the MOCA score increased by 0.2 points (SD 2.9) and the DSST score increased by 1.3 points (SD 7.5). No statistically significant difference was detected between arms in MOCA, DSST, QUEST or OTSWI scores. There was a trend toward improvement in tremor severity in the LCP tacrolimus arm.

Conclusions

No improvement was found in MoCA or DSST performance in patients switched to LCP tacrolimus as compared to IR tacrolimus after 6 weeks of exposure in the early post-transplant period.
背景:已知他克莫司可引起神经毒性,对老年人可能更严重。我们的目的是比较即时释放(IR)和LCP他克莫司在老年肾移植术后早期的神经认知副作用。方法在这项单中心、开放标签、随机对照试验中,64名年龄在60岁及以上的肾移植受者在移植后4- 8周随机接受LCP他克莫司或IR他克莫司治疗,并随访6周。通过蒙特利尔认知评估(MoCA)和数字符号替代测试(DSST)评估6周时与基线比较的神经认知表现的主要结局。次要结局包括与健康相关的生活质量,通过特发性震颤问卷(QUEST)和器官移植症状和健康量表(OTSWI)的生活质量来衡量。结果32例患者随机分为IR组和LCP组。在IR他克莫司组中,MOCA评分提高1.2分(SD 2.1), DSST评分提高1.0分(SD 7.8)。LCP他克莫司组MOCA评分提高0.2分(SD 2.9), DSST评分提高1.3分(SD 7.5)。MOCA、DSST、QUEST或OTSWI评分两组间无统计学差异。LCP他克莫司组有改善震颤严重程度的趋势。结论移植后早期使用LCP他克莫司6周后,与使用IR他克莫司相比,使用LCP他克莫司患者的MoCA或DSST表现未见改善。
{"title":"Effect of tacrolimus formulation on neurocognition in older kidney transplant recipients: A randomized controlled trial","authors":"Hadia Lala Gul ,&nbsp;Macey Sockolov ,&nbsp;Katherine Howes ,&nbsp;Amanpreet Kaur ,&nbsp;Michelle Occhipinti ,&nbsp;Heejung Bang ,&nbsp;Muna Alnimri ,&nbsp;Yihung Huang ,&nbsp;Joy Dray ,&nbsp;Ling-Xin Chen","doi":"10.1016/j.tpr.2025.100178","DOIUrl":"10.1016/j.tpr.2025.100178","url":null,"abstract":"<div><h3>Background</h3><div>Tacrolimus is known to cause neurotoxicities that may be more severe in older individuals. We aimed to compare the neurocognitive side effects of immediate release (IR) and LCP tacrolimus in older kidney transplant recipients in the early post-transplant period.</div></div><div><h3>Methods</h3><div>In this single center, open-label, randomized and controlled trial of 64 kidney transplant recipients aged 60 or above, participants were randomized to LCP tacrolimus or IR tacrolimus between 4- and 8-weeks post-transplantation and followed for 6-weeks. The primary outcome of neurocognitive performance at 6-weeks compared with baseline was assessed by the Montreal Cognitive Assessment (MoCA) and Digit Symbol Substitution Test (DSST). Secondary outcomes included health-related quality of life as measured by the Quality of Life in Essential Tremor Questionnaire (QUEST) and Organ Transplant Symptom and Wellbeing Instrument (OTSWI).</div></div><div><h3>Results</h3><div>32 patients were randomized to IR tacrolimus and 31 to LCP tacrolimus. In the IR tacrolimus arm, the MOCA score increased by 1.2 points (SD 2.1) and the DSST score increased by 1.0 points (SD 7.8). In the LCP tacrolimus arm, the MOCA score increased by 0.2 points (SD 2.9) and the DSST score increased by 1.3 points (SD 7.5). No statistically significant difference was detected between arms in MOCA, DSST, QUEST or OTSWI scores. There was a trend toward improvement in tremor severity in the LCP tacrolimus arm.</div></div><div><h3>Conclusions</h3><div>No improvement was found in MoCA or DSST performance in patients switched to LCP tacrolimus as compared to IR tacrolimus after 6 weeks of exposure in the early post-transplant period.</div></div>","PeriodicalId":37786,"journal":{"name":"Transplantation Reports","volume":"10 3","pages":"Article 100178"},"PeriodicalIF":0.0,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Emerging technologies in corneal transplantation: innovations, challenges, and global implications 角膜移植的新兴技术:创新、挑战和全球影响
Q4 Medicine Pub Date : 2025-05-31 DOI: 10.1016/j.tpr.2025.100180
Khayry Al-Shami , Salman Almurabi , Andreea Pop , Clara Vincent , Aniela Popescu , Iulia Cezara Pop , Noor S. Bader , Hala Faour , Rahaf Barhoush , Saja Karaja
Precision, reduction of rejection rates, and reduction of dependency on long-term immune suppression are being advanced by advancements in corneal transplantation (CT) using femtosecond laser-assisted keratoplasty (FLAK), Descemet membrane endothelial keratoplasty (DMEK), and Bowman layer transplantation (BLT). Also, technologies such as bioengineered tissues, CRISPR-Cas9 gene editing, and bioadhesives seek to enhance graft integration and survival in mechanisms to supply a global shortage of donor corneas, particularly in low-income countries with the greatest demand. Despite this, bioengineered corneas represent an alternative to traditional transplants that incur ethical and practical hurdles, including regulation, cost, and biases in resource allocation. The application of artificial intelligence (AI), in particular diagnosis and surgical planning, in ophthalmology in general, and especially in corneal disease management, has great promise. However, the 'black box' decision-making of AI, its biases, and lack of transparency could be barriers to accountability and consistent use in practice. The other obstacle is the high costs that discourage access to and availability of advanced technologies for many low- and middle-income countries (LMICs), whose healthcare infrastructures are also limited. To ensure these innovations can be integrated into mainstream corneal care, particularly serving the needs of underserved populations, we need to address these technological, economic, and ethical issues. However, these technologies require more clinical trials and policy considerations for their optimization for accessible, effective, global eye care.
随着飞秒激光辅助角膜移植术(FLAK)、Descemet膜内皮角膜移植术(DMEK)和鲍曼层移植(BLT)等角膜移植(CT)技术的进步,精确性、排异率的降低和对长期免疫抑制的依赖正在不断提高。此外,生物工程组织、CRISPR-Cas9基因编辑和生物粘合剂等技术寻求提高移植物的整合和存活机制,以满足全球供体角膜短缺的需求,特别是在需求最大的低收入国家。尽管如此,生物工程角膜代表了传统移植的另一种选择,传统移植会带来伦理和实践上的障碍,包括监管、成本和资源分配方面的偏见。人工智能(AI)的应用,特别是诊断和手术计划,在眼科,特别是在角膜疾病管理方面,具有很大的前景。然而,人工智能的“黑箱”决策、其偏见和缺乏透明度可能成为问责制和在实践中持续使用的障碍。另一个障碍是高昂的成本,阻碍了许多低收入和中等收入国家获得和获得先进技术,这些国家的卫生保健基础设施也很有限。为了确保这些创新能够融入主流角膜护理,特别是满足服务不足人群的需求,我们需要解决这些技术、经济和伦理问题。然而,这些技术需要更多的临床试验和政策考虑,以优化其可获得、有效的全球眼科护理。
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引用次数: 0
Voriconazole-induced Periostitis Following Lung Transplantation: Case Series 肺移植后伏立康唑引起的骨膜炎:病例系列
Q4 Medicine Pub Date : 2025-05-31 DOI: 10.1016/j.tpr.2025.100179
Gouji Toyokawa , Miho Yamaguchi , Takafumi Yamaya , Mitsuaki Kawashima , Chihiro Konoeda , Koh Okamoto , Masaaki Sato
Voriconazole, the first-choice treatment for invasive aspergillosis, can induce periostitis. For unknown reasons, most reports on this rare side effect are in the field of organ transplantation, especially lung transplantation, and mostly from Western countries. However, in Asian countries, including Japan, the incidence of this complication may be underestimated. Herein, we report three Japanese patients who developed voriconazole-induced periostitis after lung transplantation. The patients’ initial symptoms were pain in the left shoulder, bilateral axillae, and left upper arm. The duration of voriconazole treatment before symptom onset ranged from 5 to 59 months. The diagnosis was confirmed by bone scintigraphy in two patients and computed tomography scan in one patient with or without elevation of alkaline phosphatase levels. All three patients experienced symptom relief within 7 days of voriconazole discontinuation, and the bone scintigraphy findings and alkaline phosphatase elevation were reversible.
伏立康唑是治疗侵袭性曲霉病的首选药物,可诱发骨膜炎。由于未知的原因,大多数关于这种罕见副作用的报道都是在器官移植领域,尤其是肺移植领域,而且大多来自西方国家。然而,在亚洲国家,包括日本,这种并发症的发生率可能被低估了。在此,我们报告了三名日本患者在肺移植后发生伏立康唑诱导的骨膜炎。患者最初的症状是左肩、双侧腋窝和左上臂疼痛。出现症状前伏立康唑治疗持续时间为5 ~ 59个月。两名患者的骨显像和一名患者的计算机断层扫描证实了诊断,有或没有碱性磷酸酶水平升高。3例患者均在停药7天内症状缓解,骨显像结果和碱性磷酸酶升高均可逆。
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引用次数: 0
期刊
Transplantation Reports
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