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1.
Prog Transplant ; 25(1): 35-8, 2015 Mar.
Article in English | MEDLINE | ID: mdl-25758798

ABSTRACT

Current recommendations do not discourage pregnancy in stable, orthotopic heart transplant (OHT) recipients who are more than 1 year posttransplant, although a highly specialized level of care with a multidisciplinary team is recommended. These patients may incur significant risk to themselves, their allograft, and/or their fetuses. Recognition and treatment of posttransplant complications in pregnancy also may be difficult. Although the risk of recurrent pregnancies in patients with peripartum cardiomyopathy (PPCM) is well defined, the risk of pregnancy after a PPCM patient has undergone OHT is unknown. A case of severe allograft rejection in a woman with a history of PPCM who became pregnant nearly 3 years after OHT is presented and her subsequent management is described. The data available on pregnancy after transplant are based on case reports, registry data, and reviews. The decision to become pregnant should be preceded by an extensive discussion including the patient, her partner, her obstetrician, and the transplant team, reviewing potential risks to her health as well as to her allograft and the fetus. Providers should be clear that many questions pertaining to pregnancy after transplant remain unanswered, and the patient should be comfortable going forward in this situation.


Subject(s)
Graft Rejection , Heart Transplantation , Pregnancy Complications , Allografts , Female , Humans , Pregnancy , Young Adult
2.
J Card Fail ; 18(6): 433-8, 2012 Jun.
Article in English | MEDLINE | ID: mdl-22633300

ABSTRACT

BACKGROUND: The total artificial heart (TAH) replaces the heart with 2 pneumatic pumps and 4 tilting disk mechanical valves. It was hypothesized that patients receiving TAH support have persistent hemolysis that resolves after heart transplantation (HT). METHODS AND RESULTS: Hematocrit (HCT) was compared in patients on TAH to left ventricular assist device (LVAD) support for bridge to HT. Data were compared with t tests. The TAH (n = 36; mean age 47 ± 13 years) and LVAD patients (n = 14; mean age 53 ± 12 years) were supported for a median of 83 (interquartile range [IQR] 43-115) and 106 days (IQR 84-134), respectively. Hematocrit was similar between the TAH and LVAD patients (34 ± 6% vs 37 ± 5%; P = .07) at baseline. After placement, TAH patients had lower HCT at 2 (20 ± 2% vs 24 ± 3%), 4 (22 ± 3% vs 26 ± 3%), 6 (22 ± 4% vs 30 ± 4%), and 8 weeks (23 ± 4% vs 33 ± 5%; P < .001 for all). There were no differences in HCT at 1 (30 ± 4% vs 29 ± 7%; P = .42) and 3 months (35 ± 7% vs 35 ± 4%; P = .98) after removal of the devices for HT. TAH patients had undetectable haptoglobin in 96% of assessments, increased lactate dehydrogenase (1,128 ± 384 units/L), and detectable plasma free hemoglobin in 40% of measurements (21 ± 15 mg/dL). High sensitivity C-reactive protein (52 ± 50 mg/dL) was elevated, and reticulocyte production index was decreased (1.6 ± 0.6). CONCLUSIONS: Patients implanted with a TAH have persistent anemia that resolves only after HT. The association of hemolysis, ineffective erythropoiesis, and inflammation with the TAH warrants further study.


Subject(s)
Anemia/etiology , Heart Transplantation/adverse effects , Heart-Assist Devices/adverse effects , Adult , Aged , Anemia/blood , Anemia/physiopathology , C-Reactive Protein/metabolism , Erythropoietin/blood , Female , Heart Ventricles , Hematocrit , Hemolysis/physiology , Humans , Luminescent Measurements , Male , Middle Aged , Retrospective Studies
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