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Longitudinal Lower Airway Microbial Signatures of Acute Cellular Rejection in Lung Transplantation

Natalini, Jake G; Wong, Kendrew K; Nelson, Nathaniel C; Wu, Benjamin G; Rudym, Darya; Lesko, Melissa B; Qayum, Seema; Lewis, Tyler C; Wong, Adrian; Chang, Stephanie H; Chan, Justin C Y; Geraci, Travis C; Li, Yonghua; Wang, Chan; Li, Huilin; Pamar, Prerna; Schnier, Joseph; Mahoney, Ian J; Malik, Tahir; Darawshy, Fares; Sulaiman, Imran; Kugler, Matthias C; Singh, Rajbir; Collazo, Destiny E; Chang, Miao; Patel, Shrey; Kyeremateng, Yaa; McCormick, Colin; Barnett, Clea R; Tsay, Jun-Chieh J; Brosnahan, Shari B; Singh, Shivani; Pass, Harvey I; Angel, Luis F; Segal, Leopoldo N
PMID: 38358857
ISSN: 1535-4970
CID: 5633542

Reply to: Candidacy for Extracorporeal Membrane Oxygenation Should Start with Ventilatory Support Optimization [Letter]

Rudym, Darya; Pham, Tài; Rackley, Craig R; Grasselli, Giacomo; Schmidt, Matthieu; Brodie, Daniel
PMID: 37972376
ISSN: 1535-4970
CID: 5626482

Mortality in Patients with Obesity and Acute Respiratory Distress Syndrome Receiving Extracorporeal Membrane Oxygenation: The Multicenter ECMObesity Study

Rudym, Darya; Pham, Tài; Rackley, Craig R; Grasselli, Giacomo; Anderson, Michaela; Baldwin, Matthew R; Beitler, Jeremy; Agerstrand, Cara; Serra, Alexis; Winston, Lisle A; Bonadonna, Desiree; Yip, Natalie; Emerson, Logan J; Dzierba, Amy; Sonett, Joshua; Abrams, Darryl; Ferguson, Niall D; Bacchetta, Matthew; Schmidt, Matthieu; Brodie, Daniel; ,
PMID: 37638735
ISSN: 1535-4970
CID: 5618532

Listing Dilemmas: Age, Frailty, Weight, Preexisting Cancers, and Systemic Diseases

Rudym, Darya; Natalini, Jake G; Trindade, Anil J
Selection of lung transplant candidates is an evolving field that pushes the boundaries of what is considered the norm. Given the continually changing demographics of the typical lung transplant recipient as well as the growing list of risk factors that predispose patients to poor posttransplant outcomes, we explore the dilemmas in lung transplant candidate selections pertaining to older age, frailty, low and high body mass index, preexisting cancers, and systemic autoimmune rheumatic diseases.
PMID: 36774166
ISSN: 1557-8216
CID: 5418002

Characteristics and Outcomes of Patients With COVID-19-Associated ARDS Who Underwent Lung Transplant [Comment]

Rudym, Darya; Chang, Stephanie H; Angel, Luis F
PMID: 35763004
ISSN: 1538-3598
CID: 5281092

One-year immunologic outcomes of lung transplantation utilizing hepatitis C-viremic donors

Lewis, Tyler C; Lesko, Melissa; Rudym, Darya; Lonze, Bonnie E; Mangiola, Massimo; Natalini, Jake G; Chan, Justin C Y; Chang, Stephanie H; Angel, Luis F
Little is known about the effects of hepatitis C viremia on immunologic outcomes in the era of direct-acting antivirals. We conducted a prospective, single-arm trial of lung transplantation from hepatitis C-infected donors into hepatitis C-naïve recipients (n = 21). Recipients were initiated on glecaprevir-pibrentasvir immediately post-transplant and were continued on therapy for a total of 8 weeks. A control group of recipients of hepatitis C-negative lungs were matched 1:1 on baseline variables (n = 21). The primary outcome was the frequency of acute cellular rejection over 1-year post-transplant. Treatment with glecaprevir-pibrentasvir was well tolerated and resulted in viremia clearance after a median of 16 days of therapy (IQR 10-24 days). At one year, there was no difference in incidence of acute cellular rejection (71.4% vs. 85.7%, P = .17) or rejection requiring treatment (33.3% vs. 57.1%, P = .12). Mean cumulative acute rejection scores were similar between groups (.46 [SD ± .53] vs. .52 [SD ± .37], P = .67). Receipt of HCV+ organs was not associated with acute rejection on unadjusted Cox regression analysis (HR .55, 95% CI .28-1.11, P = .09), or when adjusted for risk factors known to be associated with acute rejection (HR .57, 95% CI .27-1.21, P = .14). Utilization of hepatitis C infected lungs with immediate treatment leads to equivalent immunologic outcomes at 1 year.
PMID: 35689815
ISSN: 1399-0012
CID: 5248602

Pulmonary Pathology of End-Stage COVID-19 Disease in Explanted Lungs and Outcomes After Lung Transplantation

Flaifel, Abdallah; Kwok, Benjamin; Ko, Jane; Chang, Stephanie; Smith, Deane; Zhou, Fang; Chiriboga, Luis A; Zeck, Briana; Theise, Neil; Rudym, Darya; Lesko, Melissa; Angel, Luis; Moreira, Andre; Narula, Navneet
OBJECTIVES/OBJECTIVE:Patients with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection may develop end-stage lung disease requiring lung transplantation. We report the clinical course, pulmonary pathology with radiographic correlation, and outcomes after lung transplantation in three patients who developed chronic respiratory failure due to postacute sequelae of SARS-CoV-2 infection. METHODS:A retrospective histologic evaluation of explanted lungs due to coronavirus disease 2019 was performed. RESULTS:None of the patients had known prior pulmonary disease. The major pathologic findings in the lung explants were proliferative and fibrotic phases of diffuse alveolar damage, interstitial capillary neoangiogenesis, and mononuclear inflammation, specifically macrophages, with varying numbers of T and B lymphocytes. The fibrosis varied from early collagen deposition to more pronounced interstitial collagen deposition; however, pulmonary remodeling with honeycomb change was not present. Other findings included peribronchiolar metaplasia, microvascular thrombosis, recanalized thrombi in muscular arteries, and pleural adhesions. No patients had either recurrence of SARS-CoV-2 infection or allograft rejection following transplant at this time. CONCLUSIONS:The major pathologic findings in the lung explants of patients with SARS-CoV-2 infection suggest ongoing fibrosis, prominent macrophage infiltration, neoangiogenesis, and microvascular thrombosis. Characterization of pathologic findings could help develop novel management strategies.
PMID: 34999755
ISSN: 1943-7722
CID: 5118212

Upper gastrointestinal bleeding in a lung transplant recipient

Sivasailam, Barathi; Rudym, Darya; Latorre, Melissa; Mehta, Sapna A
PMID: 35373524
ISSN: 1600-6143
CID: 5201562

Primary Cytomegalovirus Infection in a Low-Risk Lung Transplant Recipient Manifesting as a Pleural Effusion [Meeting Abstract]

Rudym, D; Lewis, T C; Natalini, J G; Chang, S H; Lesko, M B; LaMaina, V; Fitzpatrick, E R; Stiefel, A M; Angel, L
Introduction: Community-acquired Cytomegalovirus (CMV) infection in a seronegative transplant recipient (R) from a seronegative donor (D) is a rare occurrence that carries significant clinical and prognostic implications. Few case reports exist describing this entity in lung transplant recipients. Case Report: A 58-year-old man with bilateral lung transplant for sarcoidosis presented with three days of diarrhea and dyspnea. He underwent an uneventful bilateral lung transplantation (CMV D-/R-) six weeks prior, receiving basiliximab and methylprednisolone for induction. He was discharged two weeks later on tacrolimus, mycophenolate motefil, and prednisone taper as maintenance immunosuppression. He was receiving acyclovir for herpes viruses prophylaxis. He was seen weekly post-discharge and continued to have clear chest radiographs and unremarkable bloodwork. On presentation, his physical examination was notable for decreased breath sounds at the right base. His laboratory values revealed creatinine of 2.4 mg/dL. His chest radiograph showed new right pleural effusion. He was admitted for hydration and diarrhea work up. Abdominal computed tomography (CT) revealed mild diverticulitis with no colitis and his stool studies were positive for Clostridium difficile. Chest CT showed hazy and linear markings with thin-walled cysts in right lower lobe, adjacent to a moderate pleural effusion. CMV by polymerase chain reaction resulted at 318,200 copies/mL. He was treated with intravenous ganciclovir and underwent a thoracenthesis. Half a liter of clear pleural fluid was removed and was notable for lymphocytic predominance of 72% as well as polytypic plasma cells and a small number of B lymphocytes with no surface immunoglobulins on flow cytometry. Subsequent radiograph showed completely re-expanded lung. Within two days, the effusion re-accumulated and additional half a liter were drained, revealing of 95% lymphocytes, with complete re-expansion of the lung. Concomitant viral load remained elevated at 150,328 copies/mL. He was discharged on valganciclovir, his viral load decreased to an undetectable level, and his radiographs have remained free of effusion. While primary CMV infection is rare in low-risk lung transplant recipients, CMV disease should be considered in the differential diagnosis of early post-operative pleural effusion.
ISSN: 1557-3117
CID: 5240342

Multimodal opioid-sparing pain management after lung transplantation and the impact of liposomal bupivacaine intercostal nerve block

Lewis, Tyler C; Sureau, Kimberly; Katz, Alyson; Fargnoli, Anthony; Lesko, Melissa; Rudym, Darya; Angel, Luis F; Chang, Stephanie H; Kon, Zachary N
Opioid analgesics are commonly used post-lung transplant, but have many side effects and are associated with worse outcomes. We conducted a retrospective review of all lung transplant recipients who were treated with a multimodal opioid-sparing pain protocol. The use of liposomal bupivacaine intercostal nerve block was variable due to hospital restrictions. The primary objective was to describe opioid requirements and patient-reported pain scores early post-lung transplant and to assess the impact of intraoperative liposomal bupivacaine intercostal nerve block. We treated 64 lung transplant recipients with our protocol. Opioid utilization decreased to a mean of 43 milligram oral morphine equivalents by postoperative day 4. Median pain scores peaked at 4 on postoperative day 1 and decreased thereafter. Only three patients were discharged home with opioids, all of whom were taking opioid agonist therapy pre-transplant for opioid use disorder. Patients who received liposomal bupivacaine intercostal nerve block in the operating room had a significant reduction in opioid consumption over postoperative day 1 through 4 (228 mg vs. 517 mg, P= .032). A multimodal opioid-sparing pain management protocol is feasible and resulted in weaning of opioids prior to hospital discharge.
PMID: 34658078
ISSN: 1399-0012
CID: 5043072