Iris Feng, Paul A Kurlansky, Yanling Zhao, Krushang Patel, Morgan K Moroi, Alice V Vinogradsky, Farhana Latif, Gabriel Sayer, Nir Uriel, Yoshifumi Naka, Koji Takeda
{"title":"Bridge to simultaneous heart-kidney transplantation via extracorporeal life support: National outcomes in the new heart allocation policy era.","authors":"Iris Feng, Paul A Kurlansky, Yanling Zhao, Krushang Patel, Morgan K Moroi, Alice V Vinogradsky, Farhana Latif, Gabriel Sayer, Nir Uriel, Yoshifumi Naka, Koji Takeda","doi":"10.1016/j.healun.2024.08.020","DOIUrl":"10.1016/j.healun.2024.08.020","url":null,"abstract":"<p><strong>Background: </strong>Since United Network for Organ Sharing (UNOS) revised their heart allocation policy in 2018, usage of veno-arterial extracorporeal life support (VA-ECLS) has dramatically increased as a bridge to transplant. This study investigated outcomes of VA-ECLS patients bridged to simultaneous heart-kidney transplant (SHK) in the new policy era.</p><p><strong>Methods: </strong>This study included 774 adult patients from the UNOS database who received SHK between 10/18/18 and 12/31/21 and compared patients bridged to transplant on VA-ECLS (n = 50) with those not bridged (n = 724).</p><p><strong>Results: </strong>At baseline, SHK recipients bridged from VA-ECLS were younger (50.5 vs 58.0 years, p = 0.007), had higher estimated glomerular filtration rate (eGFR) at time of transplant (47.6 vs 30.1, p < 0.001), and spent fewer days on the waitlist (7.0 vs 33.5 days, p < 0.001). In the perioperative period, VA-ECLS was associated with higher rates of temporary dialysis (56.0% vs 28.0%, p < 0.001) but similar 2-year cumulative incidence of chronic dialysis (7.5% vs 5.4%, p = 0.800) and renal allograft failure (12.0% vs 8.1%, p = 0.500) compared to non-ECLS cohort. However, VA-ECLS patients had decreased survival to discharge (76.0% vs 92.7%, p < 0.001) and 2-year post-transplant survival (71.7% vs 83.0%, p = 0.004), as well as greater 2-year cumulative incidence of cardiac allograft failure (10.0% vs 2.7%, p = 0.002). Multivariable analyses found VA-ECLS at time of transplant to be independently associated with 2-year post-transplant mortality (HR [95% CI]: 3.40 [1.66-6.96], p = 0.001) and cardiac allograft failure (sub-distribution hazard ratio [SHR] [95% CI]: 8.51 [2.77-26.09], p < 0.001).</p><p><strong>Conclusion: </strong>Under the new allocation policy, patients bridged to SHK from VA-ECLS displayed greater early mortality and cardiac allograft failure but similar renal outcomes compared to non-ECLS counterparts.</p>","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"11-21"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142154308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Benjamin Renaud-Picard, Sajad Moshkelgosha, Gregory Berra, May Cheung, David Hwang, David Hedley, Stephen Juvet, Tereza Martinu
{"title":"Detailed cellular and spatial characterization of chronic lung allograft dysfunction using imaging mass cytometry.","authors":"Benjamin Renaud-Picard, Sajad Moshkelgosha, Gregory Berra, May Cheung, David Hwang, David Hedley, Stephen Juvet, Tereza Martinu","doi":"10.1016/j.healun.2024.09.023","DOIUrl":"10.1016/j.healun.2024.09.023","url":null,"abstract":"<p><p>Long-term survival after lung transplantation remains limited by chronic lung allograft dysfunction (CLAD), with 2 main phenotypes: bronchiolitis obliterans syndrome (BOS) and restrictive allograft syndrome (RAS). We aimed to assess CLAD lung allografts using imaging mass cytometry (IMC), a high dimensional tissue imaging system allowing a multiparametric in situ exploration at a single cell level. Four BOS, 4 RAS, and 4 control lung samples were stained with 35 heavy metal-tagged antibodies selected to assess structural and immune proteins of interest. We identified 50 immune and non-immune cell clusters. CLAD lungs had significantly reduced club cells. A Ki67-high basal cell population was mostly present in RAS and in proximity to memory T cells. Memory CD8<sup>+</sup> T cells were more frequent in CLAD lungs, regulatory T cells more prominent in RAS. IMC is a powerful technology for detailed cellular analysis within intact organ structures that may shed further light on CLAD mechanisms.</p>","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"118-124"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142377955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anthony P Carnicelli, Jennifer Cowger, Ryan J Tedford, Manreet Kanwar
{"title":"Authors' response to comment and opinion.","authors":"Anthony P Carnicelli, Jennifer Cowger, Ryan J Tedford, Manreet Kanwar","doi":"10.1016/j.healun.2024.09.014","DOIUrl":"10.1016/j.healun.2024.09.014","url":null,"abstract":"","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"131-132"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Defining direct and indirect right ventricular unloading.","authors":"Jamel Ortoleva, Dominic V Pisano","doi":"10.1016/j.healun.2024.08.025","DOIUrl":"10.1016/j.healun.2024.08.025","url":null,"abstract":"","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"129-130"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Melanie D Everitt, Elfriede Pahl, Devin A Koehl, Ryan S Cantor, James K Kirklin, Amy Christine Reed, Philip Thrush, Matthew Zinn, Amanda D McCormick, Jessie Yester, Jenna S Schauer, Donna W Lee
{"title":"Clinical outcomes after a biopsy diagnosis of antibody-mediated rejection in pediatric heart transplant recipients.","authors":"Melanie D Everitt, Elfriede Pahl, Devin A Koehl, Ryan S Cantor, James K Kirklin, Amy Christine Reed, Philip Thrush, Matthew Zinn, Amanda D McCormick, Jessie Yester, Jenna S Schauer, Donna W Lee","doi":"10.1016/j.healun.2024.08.017","DOIUrl":"10.1016/j.healun.2024.08.017","url":null,"abstract":"<p><strong>Background: </strong>Extending survival after heart transplant (HT) is of paramount importance for childhood recipients of HT. Acute rejection is a significant event, and biopsy remains the most specific means for distinguishing between cellular (ACR) and antibody-mediated rejection (AMR).</p><p><strong>Methods: </strong>All children in the Pediatric Heart Transplant Society Registry who underwent HT between January 2015 and June 2022 and had ≥1 rejection episode were included. Survival was compared between AMR and ACR-only. Secondary outcomes of infection, malignancy, and cardiac allograft vasculopathy (CAV) were assessed. Risk factors for graft loss after AMR were identified using Cox proportional hazard modeling.</p><p><strong>Results: </strong>Among 906 children with rejection, 697 (77%) with complete biopsy information were included. AMR was present on biopsy in 261 (37%) patients; ACR-only was present in 436 (63%). Time to rejection was earlier for AMR, median time from HT to rejection 0.11 versus 0.29 years, p = 0.0006. Survival after AMR in the 1st year was lower than survival after ACR-only. Predictors of graft loss after AMR were younger age at HT, congenital heart disease, and rejection with hemodynamic compromise. There was no difference in time to CAV, infection, or malignancy after rejection between groups.</p><p><strong>Conclusions: </strong>The largest analysis of pediatric HT rejection with biopsy data to identify AMR underscores the continued importance of AMR on survival. AMR is associated with higher graft loss versus ACR when occurring in the first-year post-HT. Predictors of graft loss after AMR identify patients who may benefit from increased surveillance or augmented maintenance immunosuppression.</p>","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"82-91"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142140237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Simultaneous heart and kidney transplantation for high-risk candidates on extracorporeal life support: Don't judge a book by its cover.","authors":"Mickaël Lescroart, Guillaume Coutance","doi":"10.1016/j.healun.2024.09.024","DOIUrl":"10.1016/j.healun.2024.09.024","url":null,"abstract":"","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"22-24"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142377956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Thomas M Cascino, Sandeep Sahay, Victor M Moles, Vallerie V McLaughlin
{"title":"A new day has come: Sotatercept for the treatment of pulmonary arterial hypertension.","authors":"Thomas M Cascino, Sandeep Sahay, Victor M Moles, Vallerie V McLaughlin","doi":"10.1016/j.healun.2024.09.021","DOIUrl":"10.1016/j.healun.2024.09.021","url":null,"abstract":"<p><p>Despite increasing therapeutic options and evolving treatment strategies, including targeting 3 therapeutic pathways, in the management of pulmonary arterial hypertension (PAH), morbidity and mortality have remained unacceptably high. Sotatercept is a first-in-class, novel activin signaling inhibitor approved for treating PAH based on evolving efficacy and safety evidence. This state-of-the-art review summarizes the current understanding of the mechanism of action, the impact on outcomes that improve how patients feel, function, and survive, and the safety and adverse event profile to inform readers of this breakthrough novel therapy.</p>","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"1-10"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11645217/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142381040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The search continues: Investigating potential biomarkers to predict cardiac allograft function from donation after circulatory death donors.","authors":"Yashutosh Joshi, Peter S Macdonald","doi":"10.1016/j.healun.2024.09.017","DOIUrl":"10.1016/j.healun.2024.09.017","url":null,"abstract":"","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"102-104"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142365492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Context matters: Neighborhood health affects heart transplant outcomes even at high-volume centers.","authors":"Jaya Batra, Ersilia M DeFilippis","doi":"10.1016/j.healun.2024.09.013","DOIUrl":"10.1016/j.healun.2024.09.013","url":null,"abstract":"","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"44-45"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142377954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ei Miyamoto, Daniel Vosoughi, Jinguo Wang, Jamal Al-Refaee, Gregory Berra, Tina Daigneault, Allen Duong, Betty Joe, Sajad Moshkelgosha, Shaf Keshavjee, Kathryn Tinckam, David Hwang, Andrzej Chruscinski, Stephen Juvet, Tereza Martinu
{"title":"Local intragraft humoral immune responses in chronic lung allograft dysfunction.","authors":"Ei Miyamoto, Daniel Vosoughi, Jinguo Wang, Jamal Al-Refaee, Gregory Berra, Tina Daigneault, Allen Duong, Betty Joe, Sajad Moshkelgosha, Shaf Keshavjee, Kathryn Tinckam, David Hwang, Andrzej Chruscinski, Stephen Juvet, Tereza Martinu","doi":"10.1016/j.healun.2024.07.019","DOIUrl":"10.1016/j.healun.2024.07.019","url":null,"abstract":"<p><strong>Background: </strong>Donor human leukocyte antigen (HLA)-specific antibodies (DSA) and non-HLA antibodies can cause allograft injury, possibly leading to chronic lung allograft dysfunction (CLAD) after lung transplantation. It remains unclear whether these antibodies are produced locally in the graft or derived solely from circulation. We hypothesized that DSA and non-HLA antibodies are produced in CLAD lungs.</p><p><strong>Methods: </strong>Lung tissue was prospectively collected from 15 CLAD patients undergoing retransplantation or autopsy. 0.3 g of fresh lung tissue was cultured for 4 days without or with lipopolysaccharide or CD40L: lung culture supernatant (LCS) was sampled. Protein eluate was obtained from 0.3 g of frozen lung tissue. The mean fluorescence intensity (MFI) of DSA and non-HLA antibodies was measured by Luminex and antigen microarray, respectively.</p><p><strong>Results: </strong>LCS from all 4 patients who had serum DSA at lung isolation were positive for DSA, with higher levels measured after CD40L stimulation (CD40L<sup>+</sup>LCS). Of these, only 2 had detectable DSA in lung eluate. MFI of non-HLA antibodies from CD40L<sup>+</sup>LCS correlated with those from lung eluate but not with those from sera. Flow cytometry showed higher frequencies of activated lung B cells in patients whose CD40L<sup>+</sup>LCS was positive for DSA (n = 4) or high non-HLA antibodies (n = 6) compared to those with low local antibodies (n = 5). Immunofluorescence staining showed CLAD lung lymphoid aggregates with local antibodies contained larger numbers of IgG<sup>+</sup> plasma cells and greater IL-21 expression.</p><p><strong>Conclusions: </strong>We show that DSA and non-HLA antibodies can be produced within activated B cell-rich lung allografts.</p>","PeriodicalId":15900,"journal":{"name":"Journal of Heart and Lung Transplantation","volume":" ","pages":"105-117"},"PeriodicalIF":6.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141889464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}