Journal ArticleNeuroImage: Reports · December 1, 2024
As a surgical treatment following amputation or loss of an upper limb, nearly 200 hand transplantations have been completed to date. We report here a magnetic resonance imaging (MRI) investigation of functional and structural brain connectivity for a bilat ...
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Journal ArticleCurr Opin Organ Transplant · December 1, 2024
PURPOSE OF REVIEW: Allograft vasculopathy in vascularized composite allografts (VCA) remains understudied. This review explores the vascular changes in VCA, focused on recent literature. RECENT FINDINGS: Allograft vasculopathy in VCA generally includes pro ...
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Journal ArticleAm J Transplant · May 2024
As more data become available, the Banff 2007 working classification of skin-containing vascularized composite allograft (VCA) pathology is expected to evolve and develop. This report represents the Banff VCA Working Group's consensus on the first revision ...
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Journal ArticleAm J Transplant · February 2024
This year's chapter on vascularized composite allograft (VCA) encompasses reviews of data collected from 2014 (when VCA was included in the Final Rule) through 2022. The present Annual Data Report shows that the number of VCA recipients in the United State ...
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Journal ArticleAm J Transplant · September 2023
In June 2022, the US Food and Drug Administration Center for Biologics Evaluation and Research held the 73rd meeting of the Cellular, Tissue, and Gene Therapies Advisory Committee for public discussion of regulatory expectations for xenotransplantation pro ...
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Journal ArticleAm J Transplant · February 2023
Year 2020 marked the first OPTN/SRTR Annual Data Report that included a chapter on vascularized composite allograft (VCA), which encompassed reviews of data collected between 2014 (when VCA was included in the Final Rule) and 2020. The present Annual Data ...
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Journal ArticleAm J Transplant · March 2022
The first vascularized composite allograft (VCA) transplant in the United States was performed in 1998 in a 40-year-old man who received a laryn-geal transplant after experiencing severe trauma to the throat 20 years before. The following VCA was a hand tr ...
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Journal ArticlePlastic and Reconstructive Surgery - Global Open · February 22, 2022
Background: Several studies over the past decade have investigated diversity within the field of plastic surgery, yet it remains unclear if an increase has resulted. This study sought to review the status of diversity within plastic surgery over the last d ...
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Journal ArticleTechniques in Orthopaedics · December 8, 2021
Hand transplantation is a form of vascularized composite allotransplantation under clinical research, which presents a novel therapy to amputation. Preparation for hand transplantation requires a carefully selected candidate, an extensive preoperative work ...
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Journal ArticleClin Transplant · April 2021
Vascularized composite allograft, including hand transplantation (HT), has gained wider usage as a reconstructive treatment over the past 30Â years. HT recipients face unique psychosocial challenges compared to their solid organ and/or bone marrow transplan ...
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Journal ArticleTranspl Int · March 2021
Vascularized composite allotransplants (VCAs) seem to have several unique features of clinical and experimental importance, including uniquely definable lymphatic drainage that can be easily accessed at the level of ipsilateral regional node beds. Thus, VC ...
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Journal ArticleAnn Surg Open · March 2021
The history of modern American surgery is marked by larger-than-life pioneers who have made transformative contributions to our field. These extraordinary individuals have been known primarily for their technical and clinical mastery, development of novel ...
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Journal ArticleAm J Transplant · January 2021
On July 3, 2014, the Organ Procurement and Transplantation Network (OPTN) began overseeing vascularized composite allotransplantation/allografts (VCA) in the United States. For the past 6Â years, centers performing VCAs have been requested to submit data in ...
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Journal ArticleFront Immunol · 2021
Vascularized composite allotransplantation (VCA) is a field under research and has emerged as an alternative option for the repair of severe disfiguring defects that result from severe tissue loss in a selected group of patients. Lifelong immunosuppressive ...
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Chapter · January 1, 2021
Vascularized composite allografts, or VCA transplants, are allotransplants that incorporate multiple tissues transplanted as a single functional unit, most commonly hands or face. They are, by definition, transplants aimed at improving quality of life rath ...
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Journal ArticleAm J Transplant · December 2020
Bladder dysfunction is a common clinical problem attributed to various conditions such as posterior urethral valves, neurogenic bladder, ureteral ectopy, or bladder exstrophy. Currently, the main therapeutic option for these dysfunctions is neobladder reco ...
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Journal ArticleTranspl Int · October 2020
Vascularized composite allotransplantation (VCA) is challenged by the morbidity of immunosuppression required to prevent rejection. The use of highly specific biologics has not been well explored in VCA. Given that psoriasis is T-cell mediated, as is rejec ...
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Journal ArticleJ Surg Res · June 2020
BACKGROUND: Vascularized composite allograft has emerged as a reconstructive option for patients who have suffered severe tissue loss. Animal models are critical for understanding the unique mechanisms of rejection in vascularized composite allograft. We p ...
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Journal ArticleAm J Transplant · May 2020
Hand transplantation is the most common application of vascularized composite allotransplantation (VCA). Since July 3, 2014, VCAs were added to the definition of organs covered by federal regulation (the Organ Procurement and Transplantation Network (OPTN) ...
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Journal ArticleSAGE Open Med · 2020
OBJECTIVES: This report summarizes a collaborative effort between the American Society of Reconstructive Transplantation and the International Society of Vascularized Composite Allotransplantation to establish what is known about chronic rejection in recip ...
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Journal ArticleFront Immunol · 2020
Vascular composite allotransplantation (VCA) is a field under research and has emerged as an alternative option for the repair of severe disfiguring defects that result from infections or traumatic amputation in a selected group of patients. VCA is perform ...
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Journal ArticleNeurocase · December 2019
Transplantation of a donor hand has been successful as a surgical treatment following amputation, but little is known regarding the brain mechanisms contributing to the recovery of motor function. We report functional magnetic resonance imaging (fMRI) find ...
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Journal ArticleCurr Opin Organ Transplant · December 2019
PURPOSE OF REVIEW: The present review examines psychosocial factors emerging as predictive of clinical outcomes among solid organ transplant (SOT) recipients, with possible extensions to vascular composite allograft (VCA) and hand transplantation, in parti ...
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Journal ArticleAm J Transplant · July 2019
Abdominal wall transplantation (AWT) was introduced in 1999 in the context of reconstruction of complex abdominal wall defects in conjunction with visceral organ transplantation. As of recently, 38 cases of total AWT have been performed worldwide, about ha ...
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Journal ArticleTranspl Int · July 2019
Risk-to-benefit analysis of upper extremity allotransplantation (UEA) warrants a careful assessment of immunosuppression-related complications. This first systematic report of infectious complications after UEA aimed to compare incidence and pattern of inf ...
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Journal ArticleAm J Transplant · March 2019
On July 3, 2014, the Organ Procurement and Transplantation Network/United Network for Organ Sharing was charged with the oversight of vascularized composite allograft (VCA) procurement and transplantation in the United States. As of December 31, 2017, 61 V ...
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Journal ArticleAm J Transplant · November 2018
Existing methods of academic publication provide limited opportunity to obtain stakeholder input on issues of broad interest. This article reports the results of an experiment to produce a collaborative, crowdsourced article examining a current controversi ...
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Journal ArticleTransplantation · August 2018
The International Society of Vascularized Composite Allotransplantation held its 13th congress "Defining Success" in October 2017 in Salzburg, Austria. A total of 122 delegates from 22 countries representing 5 continents attended the conference. The theme ...
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Journal ArticleAm J Transplant · July 2018
Most immunosuppressive regimens used in clinical vascularized composite allotransplantation (VCA) have been calcineurin inhibitor (CNI)-based. As such, most recipients have experienced CNI-related side effects. Costimulation blockade, specifically CD28/B7 ...
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Journal ArticleAm J Transplant · March 2017
Although stable mixed-hematopoietic chimerism induces robust immune tolerance to solid organ allografts in mice, the translation of this strategy to large animal models and to patients has been challenging. We have previously shown that in MHC-matched nonh ...
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Journal ArticleTranspl Int · June 2016
The first Banff vascularized composite allotransplantation meeting was held in 2007 to standardize criteria for the characterization and reporting of severity and types of rejection. As a result, the 2007 Banff VCA working classification for skin allograft ...
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Journal ArticleAm J Transplant · August 2015
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Vascularized composite allotransplantation (VCA) has emerged as a viable limb replacement strategy for selected patients with upper limb amputation. However, allograft rejection has been seen in essentially all reported VCA recipients indicating a requirem ...
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Journal ArticleAm J Transplant · August 2015
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Vascularized composite allografts (VCAs) are technically feasible. Similar to other organ transplants, VCAs are hampered by the toxicity and incomplete efficacy associated with conventional immunosuppression. Complications attributable to calcineurin inhib ...
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ConferenceAm J Transplant · February 2014
The 12th Banff Conference on Allograft Pathology was held in Comandatuba, Brazil, from August 19-23, 2013, and was preceded by a 2-day Latin American Symposium on Transplant Immunobiology and Immunopathology. The meeting was highlighted by the presentation ...
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Chapter · August 2, 2012
Organ transplantation has proven to provide curative treatment for most end stage solid organ diseases. Given this success, transplantation therapies have been proposed for certain tissues and functions lost due to trauma or that arise from congenital anom ...
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OtherTransplantation · June 15, 2012
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To date, there are more than 80 reports of vascularized composite allografts (VCAs; a.k.a. composite tissue allotransplantation). However, the classification of this type of transplantation for oversight purposes has not been clarified. From a biological a ...
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ConferenceAm J Transplant · March 2012
The 11th Banff meeting was held in Paris, France, from June 5 to 10, 2011, with a focus on refining diagnostic criteria for antibody-mediated rejection (ABMR). The major outcome was the acknowledgment of C4d-negative ABMR in kidney transplants. Diagnostic ...
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Chapter · December 1, 2011
Vascularized composite allotransplantation is a field in its early development. This chapter describes the latest classification scheme applied to composite grafts and acute cellular rejection is amply demonstrated with high quality images. The differentia ...
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Journal ArticleAm J Transplant · January 2011
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Like all other areas of transplantation, vascularized composite allografts (VCA) has the capacity to transform the lives of patients, for the better or for the worse. It is this duality that mandates VCA be performed in centers prepared for the intricacies ...
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Journal ArticleAm J Transplant · July 2008
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Composite tissue allotransplantation (CTA) is a recently introduced option for limb replacement and reconstruction of tissue defects. As with other allografts, CTA can undergo immune-mediated rejection; therefore standardized criteria are required for char ...
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Chapter · January 1, 2008
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Patients suffering from severe tissue loss secondary to burns, traumatic injuries, or tumor resections have limited options for reconstruction when autologous tissue for reconstruction is scarce. Composite tissue allotransplantation (CTA) has recently been ...
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Journal ArticleTransplantation · February 15, 2006
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BACKGROUND: Composite tissue allotransplantation (CTA) is a recently introduced option for limb replacement and reconstruction of other nonreconstructible tissue defects. As with recipients of other allotransplants, CTA recipients can experience rejection ...
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Journal ArticleTransplantation · December 27, 2005
BACKGROUND: Composite tissue allotransplantation (CTA) is a recently introduced option for limb replacement and reconstruction of other nonreconstructible tissue defects. As with recipients of other allotransplants, CTA recipients can experience rejection ...
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Journal ArticleTransplantation · November 27, 2005
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BACKGROUND: Composite tissue allotransplantation (CTA) has been recently introduced as a potential treatment for tissue loss secondary to burns, injuries, or resections. However, the optimal strategies to prevent CTA rejection remain undefined. Presently, ...
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Journal ArticleTransplantation · October 27, 2005
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BACKGROUND: Perioperative lymphocyte depletion induces allograft tolerance in some animal models, but in humans has only been shown to reduce immunosuppressive requirements. Without maintenance immunosuppression, depleted human renal allograft recipients e ...
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Journal ArticleJ Am Coll Surg · April 2005
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BACKGROUND: Chronic allograft nephropathy (CAN) remains the leading cause of late renal allograft loss that is minimally responsive to therapy once graft dysfunction is clinically evident. A screening test capable of identifying individuals at high risk fo ...
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Journal ArticleAm J Transplant · March 2005
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Renal allograft acute cellular rejection (ACR) is a T-cell mediated disease that is diagnosed histologically. However, many normally functioning allografts have T-cell infiltrates and histological ACR, and many nonimmune processes cause allograft dysfuncti ...
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Chapter · 2005
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The National Institutes of Health has established a clinical transplant research program focusing on translational research in kidney transplantation. The program has been developed with a multidisciplinary approach under a common administrative structure ...
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Journal ArticleTranspl Immunol · 2004
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Organ transplantation has become a standard life-saving therapy for many causes of end stage organ failure. Although valuable, it remains hampered by the requirement for, and complications of, immunosuppression to prevent immune rejection of the transplant ...
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Journal ArticleTransplantation · July 15, 2003
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BACKGROUND: Profound T-cell depletion before allotransplantation with gradual posttransplant T-cell repopulation induces a state of donor-specific immune hyporesponsiveness or tolerance in some animal models. Alemtuzumab (Campath-1H, Millennium Pharmaceuti ...
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Journal ArticleTransplantation Reviews · 2003
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In summary, the results from these studies suggest that, in addition to their typical roles as antigen-processing cells serving to initiate an adaptive immune response, monocytes and macrophages may also play an effector role during rejection in patients w ...
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Journal ArticleLancet · November 23, 2002
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Renal allograft recipients generally need to take several immunosuppressive agents for life. Calcineurin inhibitors and glucocorticosteroids are the mainstays of most regimens but have undesirable chronic effects. We postulated that aggressive T-cell deple ...
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Journal ArticleHand Clin · August 2001
The surgical techniques necessary to perform hand transplantation have been available for at least 25 years. In this article, the authors provide a review of hand transplantation, including its history, preoperative evaluation, and case reports. Data on tr ...
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Journal ArticleMicrosurgery · 2000
Successful clinical transplantation of the upper extremity has been performed in several centers. In contrast with the recipients of other immediately vascularized organ allografts, the candidate for upper extremity transplantation has been, at least durin ...
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