Indications for and outcomes of therapeutic plasma exchange after cardiac transplantation: A single center retrospective study.
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2018-08
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INTRODUCTION:Limited data are available describing indications for and outcomes of therapeutic plasma exchange (TPE) in cardiac transplantation. METHODS:In a retrospective study of patients who underwent cardiac transplantation at Duke University Medical Center from 2010 to 2014, we reviewed 3 TPE treatment patterns: a Single TPE procedure within 24 h of transplant; Multiple TPE procedures initiated within 24 h of transplant; and 1 or more TPE procedures beginning >24 h post-transplant. Primary and secondary outcomes were overall survival (OS) and TPE survival (TS), respectively. RESULTS:Of 313 patients meeting study criteria, 109 (35%) underwent TPE. TPE was initiated in 82 patients within 24 h, 40 (37%) receiving a single procedure (Single TPE), and 42 (38%) multiple procedures (Multiple TPE). Twenty-seven (25%) began TPE >24 h after transplant (Delayed TPE). The most common TPE indication was elevated/positive panel reactive or human leukocyte antigen antibodies (32%). With a median follow-up of 49 months, the non-TPE treated and Single TPE cohorts had similar OS (HR 1.08 [CI, 0.54, 2.14], Pā=ā.84), while the Multiple and Delayed TPE cohorts had worse OS (HR 2.62 [CI, 1.53, 4.49] and HR 1.98 [CI, 1.02, 3.83], respectively). The Multiple and Delayed TPE cohorts also had worse TS (HR 2.59 [CI, 1.31, 5.14] and HR 3.18 [CI, 1.56, 6.50], respectively). Infection rates did not differ between groups but was independently associated with OS (HR 2.31 [CI, 1.50, 3.54]). CONCLUSIONS:TPE is an important therapeutic modality in cardiac transplant patients. Prospective studies are needed to better define TPE's different roles in this patient population.
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Onwuemene, Oluwatoyosi A, Steven C Grambow, Chetan B Patel, Robert J Mentz, Carmelo A Milano, Joseph G Rogers, Ara D Metjian, Gowthami M Arepally, et al. (2018). Indications for and outcomes of therapeutic plasma exchange after cardiac transplantation: A single center retrospective study. Journal of clinical apheresis, 33(4). pp. 469ā479. 10.1002/jca.21622 Retrieved from https://hdl.handle.net/10161/27018.
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Oluwatoyosi Adefunke Onwuemene
Steven C. Grambow
I am an academic statistician with a focus on educational leadership and administration, teaching, mentoring, and collaborative clinical research. I serve as the director of multiple education programs, both formal degree programs and certificate-based training programs. I also provide administrative oversight of multiple graduate degree programs and educational initiatives focusing on clinical and translational science workforce development at the student, staff, and faculty levels.
I have many years of experience with in-person and online teaching across a variety of teaching venues (formal degree programs, domestic and international certificate-based training programs, faculty development seminars, residency/fellowship training programs) and health sciences audiences (medical students, residents, fellows, faculty, and other health professionals), including more than 21 years as a statistics course director in the Duke Clinical Research Training Program.
As a collaborative scientist I have experience with a broad range of clinical research areas and clinical research designs, including observational studies, epidemiology investigations, and randomized clinical trials, including those utilizing web, mobile, and telemedicine-based health behavior interventions. I have collaborated on projects spanning a broad range of clinical research areas, including amyotrophic lateral sclerosis (ALS), post-traumatic stress disorder (PTSD), Prader-Willi syndrome (PWS), prostate cancer, quality of colorectal cancer care, osteoarthritis, lifestyle modification through weight loss, CVD risk reduction through hypertension control, smoking cessation, and substance abuse recovery.
Chetan B. Patel
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