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Lifestyle factors and subsequent ischemic heart disease risk after hematopoietic cell transplantation.

ABSTRACT: BACKGROUND:The objective of this study was to evaluate whether modifiable cardiovascular risk conditions and lifestyle factors were temporally associated with an increased risk for ischemic heart disease and overall mortality in a cohort of hematopoietic cell transplantation (HCT) survivors. METHODS:HCT recipients who had survived for ?1 year, were ?20 years old, and had undergone transplantation between 1970 and 2010 at a transplant referral center were surveyed in 2010-2011 about cardiovascular health and lifestyle factors (n = 3833). Respondents (n = 2360 [61.6%]) were followed to 2016 for incident ischemic heart disease and overall mortality. RESULTS:Among the 2360 transplant survivors (median age at the baseline survey, 55.9 years; median time since transplantation, 10.8 years), 162 (6.9%) reported ischemic heart disease at the baseline survey. Among those without ischemic heart disease at the baseline survey (n = 2198), the 5-year cumulative incidence of subsequent ischemic heart disease was 4.3%. Obesity, dyslipidemia, diabetes, and physical inactivity at baseline were associated with an increased risk for subsequent ischemic heart disease (hazard ratio [HRs] ? 1.8). Greater physical activity and fruit/vegetable intake at baseline were associated with subsequent lower overall mortality (HRs ? 0.7). When jointly considered, each additional cardiovascular risk condition and each adverse lifestyle factor were independently associated with subsequent ischemic heart disease (HR for risk conditions, 1.4; 95% confidence interval [CI], 1.0-1.9; HR for lifestyle factors, 1.9; 95% CI, 1.2-2.9), and adverse lifestyle factors remained associated with overall mortality (HR, 1.8; 95% CI, 1.5-2.3). CONCLUSIONS:These results support strong efforts to promote healthy lifestyle behaviors and to treat cardiovascular risk factors aggressively in HCT survivors. This may reduce future ischemic heart disease and overall mortality in this high-risk population. Cancer 2018;124:1507-15. © 2018 American Cancer Society.

SUBMITTER: Leger KJ

PROVIDER: S-EPMC5867247 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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Lifestyle factors and subsequent ischemic heart disease risk after hematopoietic cell transplantation.

Leger Kasey J KJ Baker K Scott KS Cushing-Haugen Kara L KL Flowers Mary E D MED Leisenring Wendy M WM Martin Paul J PJ Mendoza Jason A JA Reding Kerryn W KW Syrjala Karen L KL Lee Stephanie J SJ Chow Eric J EJ

Cancer 20180109 7

<h4>Background</h4>The objective of this study was to evaluate whether modifiable cardiovascular risk conditions and lifestyle factors were temporally associated with an increased risk for ischemic heart disease and overall mortality in a cohort of hematopoietic cell transplantation (HCT) survivors.<h4>Methods</h4>HCT recipients who had survived for ≥1 year, were ≥20 years old, and had undergone transplantation between 1970 and 2010 at a transplant referral center were surveyed in 2010-2011 abou ...[more]

PMID: 29315507

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Project description:Sickle cell disease (SCD) is a severe autosomal recessively inherited disorder of the red blood cell characterized by erythrocyte deformation caused by the polymerization of the abnormal hemoglobin, which leads to erythrocyte deformation and triggers downstream pathological changes. These include abnormal rheology, vaso-occlusion, ischemic tissue damage, and hemolysis-associated endothelial dysfunction. These acute and chronic physiologic disturbances contribute to morbidity, organ dysfunction, and diminished survival. Hematopoietic cell transplantation (HCT) from HLA-matched or unrelated donors or haploidentical related donors or genetically modified autologous hematopoietic progenitor cells is performed with the intent of cure or long-term amelioration of disease manifestations. Excellent outcomes have been observed following HLA-identical matched related donor HCT. The majority of SCD patients do not have an available HLA-identical sibling donor. Increasingly, however, they have the option of undergoing HCT from unrelated HLA matched or related haploidentical donors. The preliminary results of transplantation of autologous hematopoietic progenitor cells genetically modified by adding a non-sickling gene or by genomic editing to increase expression of fetal hemoglobin are encouraging. These approaches are being evaluated in early-phase clinical trials. In performing HCT in patients with SCD, careful consideration must be given to patient and donor selection, conditioning and graft-vs.-host disease regimen, and pre-HCT evaluation and management during and after HCT. Sociodemographic factors may also impact awareness of and access to HCT. Further, there is a substantial decisional dilemma in HCT with complex tradeoffs between the possibility of amelioration of disease manifestations and early or late complications of HCT. The performance of HCT for SCD requires careful multidisciplinary collaboration and shared decision making between the physician and informed patients and caregivers.

Project description:Our current knowledge of idiopathic pneumonia syndrome (IPS) predates improved specificity in the diagnosis of IPS and advances in hematopoietic cell transplantation (HCT) and critical care practices. In this study, we describe and update the incidence, risk factors, and outcomes of IPS. We performed a retrospective cohort study of all adults who underwent allogeneic HCT at the Fred Hutchinson Cancer Research Center between 2006 and 2013 (n = 1829). IPS was defined using the National Heart, Lung, and Blood Institute consensus definition: multilobar airspace opacities on chest imaging, absence of lower respiratory tract infection, and hypoxemia. We described IPS incidence and mortality within 120 and 365 days after HCT. We examined conditioning intensity (nonmyeloablative versus myeloablative with high-dose total body irradiation [TBI] versus myeloablative with low-dose TBI) as an IPS risk factor in a time-to-event analysis using Cox models, controlled for age at transplant, HLA matching, stem cell source, and pretransplant Lung function Score (a combined measure of impairment in Forced Expiratory Volume in the first second (FEV1) and Diffusion capacity for carbon monoxide (DLCO)). Among 1829 HCT recipients, 67 fulfilled IPS criteria within 120 days (3.7%). Individuals who developed IPS were more likely to be black/non-Hispanic versus other racial groups and have severe pulmonary impairment but were otherwise similar to participants without IPS. In adjusted models, myeloablative conditioning with high-dose TBI was associated with increased risk of IPS (hazard ratio, 2.5; 95% confidence interval, 1.2 to 5.2). Thirty-one patients (46.3%) with IPS died within the first 120 days of HCT and 47 patients (70.1%) died within 365 days of HCT. In contrast, among the 1762 patients who did not acquire IPS in the first 120 days, 204 (11.6%) died within 120 days of HCT and 510 (29.9%) died within 365 days of HCT. Our findings suggest that although the incidence of IPS may be declining, it remains associated with post-transplant mortality. Future study should focus on early detection and identifying pathologic mediators of IPS to facilitate timely, targeted therapies for those most susceptible to lung injury post-HCT.

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Lifestyle factors and subsequent ischemic heart disease risk after hematopoietic cell transplantation.

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Lifestyle factors and subsequent ischemic heart disease risk after hematopoietic cell transplantation.

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