Dataset Information

Prevalence and predictors of chronic health conditions after hematopoietic cell transplantation: a report from the Bone Marrow Transplant Survivor Study.

ABSTRACT: Long-term survival is now an expected outcome after hematopoietic cell transplantation (HCT). However, the burden of morbidity long-term after HCT remains unknown. We examined the magnitude of risk of chronic health conditions reported by 1022 HCT survivors and their siblings (n = 309). A severity score (grades 1 [mild] through 4 [life-threatening]) was assigned to each health condition using the Common Terminology Criteria for Adverse Events, Version 3. Sixty-six percent of the HCT survivors reported at least one chronic condition; 18% reported severe/life-threatening conditions; comparable values in siblings were 39% and 8%, respectively (P < .001). The cumulative incidence of a chronic health condition among HCT survivors was 59% (95% confidence interval [CI], 56%-62%) at 10 years after HCT; for severe/life-threatening conditions or death from chronic health conditions, the 10-year cumulative incidence approached 35% (95% CI, 32%-39%). HCT survivors were twice as likely as siblings to develop a chronic condition (95% CI, 1.6-2.1), and 3.5 times to develop severe/life-threatening conditions (95% CI, 2.3-5.4). HCT survivors with chronic graft-versus-host disease were 4.7 times as likely to develop severe/life-threatening conditions (95% CI, 3.0-7.2). The burden of long-term morbidity borne by HCT survivors is substantial, and long-term follow-up of patients who received transplantation is recommended.

SUBMITTER: Sun CL

PROVIDER: S-EPMC2995350 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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Prevalence and predictors of chronic health conditions after hematopoietic cell transplantation: a report from the Bone Marrow Transplant Survivor Study.

Sun Can-Lan CL Francisco Liton L Kawashima Toana T Leisenring Wendy W Robison Leslie L LL Baker K Scott KS Weisdorf Daniel J DJ Forman Stephen J SJ Bhatia Smita S

Blood 20100723 17

Long-term survival is now an expected outcome after hematopoietic cell transplantation (HCT). However, the burden of morbidity long-term after HCT remains unknown. We examined the magnitude of risk of chronic health conditions reported by 1022 HCT survivors and their siblings (n = 309). A severity score (grades 1 [mild] through 4 [life-threatening]) was assigned to each health condition using the Common Terminology Criteria for Adverse Events, Version 3. Sixty-six percent of the HCT survivors re ...[more]

PMID: 20656930

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Project description:Frailty results in decreased physiological reserve and diminished resistance to stressors; approximately 10% of those in the elderly population (those ?65 years) are frail. High-intensity treatments and complications after hematopoietic cell transplantation (HCT) injure normal tissues and may increase the risk of frailty even among nongeriatric HCT patients.To determine the prevalence of frailty in young adult HCT patients (18- to 64-year-olds) and siblings; and the impact of frailty on subsequent mortality in HCT survivors.This cohort study, conducted in August 2015 examined 998 HCT survivors, who underwent transplant procedures between 1974 and 1998, who have survived at least 2 years after HCT, and 297 frequency-matched siblings. The study was performed at City of Hope or University of Minnesota with participants completing surveys at home or in the clinic. Hematopoietic cell transplantation survivors and siblings participating in the Bone Marrow Transplant Survivor Study (BMTSS) completed a frailty survey between February 13, 1999 and June 15, 2005 (median time since HCT: 7.9 years); HCT survivors were followed for subsequent mortality (median: 10.3 years from survey).Prevalence and predictors of frailty; impact of frailty on subsequent mortality in HCT survivors. Frailty phenotype defined as exhibiting 3 or more of the following characteristics: clinically underweight, exhaustion, low energy expenditure, slow walking speed, and muscle weakness. The national Death Index, Social Security Death Index and medical records were used for mortality assessment as of December 21, 2011.The 998 HCT survivors were a mean (SD) of 42.5 (11.6) years of age, and the 297 matched siblings were 43.8 (10.9) years of age. The prevalence of frailty among young adult HCT patients exceeded 8%. The HCT survivors were 8.4 times more likely to be frail than their siblings (95% CI, 2.0-34.5; P?=?.003). Among HCT recipients, allogeneic HCT recipients with chronic graft-vs-host disease (GvHD) were at increased risk of frailty compared with autologous HCT (OR,15.02; 95% CI, 6.6-34.3; P?<?.001); resolved chronic GvHD (OR, 2.7; 95% CI, 1.1-6.9; P?=?.04). Cumulative incidence of subsequent all-cause mortality was 39.3% and 14.7% at 10 years for HCT recipients with and without frailty, respectively (P?<?.001). Frailty was associated with a 2.76-fold (95% CI, 1.7-4.4; P?<?.001) increased risk of subsequent mortality after adjusting for relevant prognosticators.The prevalence of frailty among young-adult HCT survivors approaches that seen in the elderly general population. Frail HCT survivors are at increased risk of subsequent mortality when compared with nonfrail survivors. This study identifies vulnerable populations needing close monitoring to anticipate and manage morbidity and prevent mortality.

Project description:ImportanceThe past 4 decades have seen substantial changes in allogeneic blood or marrow transplantation (BMT) practice, with the overarching goal of expanding the eligible patient pool while optimizing disease-free survival.ObjectiveTo determine trends in life expectancy and cause-specific late mortality after allogeneic BMT performed over a 40-year period.Design, setting, and participantsA retrospective cohort study of 4741 individuals who lived 2 or more years after allogeneic BMT performed between January 1, 1974, and December 31, 2014, was conducted at City of Hope, University of Minnesota, or University of Alabama at Birmingham. The end of follow-up was March 23, 2020.ExposuresAllogeneic BMT performed in 3 eras: 1974-1989, 1990-2004, and 2005-2014.Main outcomes and measuresAll-cause, recurrence-related, and nonrecurrence-related mortality and projected reduction in life expectancy. Information regarding vital status and cause of death was obtained from the National Death Index Plus and Accurint databases.ResultsOf the 4741 individuals included in the study, 2735 (57.7%) were male; median age at BMT was 33 years (range, 0-75 years). The cumulative incidence of recurrence-related mortality plateaued at 10 years, reaching 12.2% (95% CI, 11.0%-13.4%) at 30 years from BMT. In contrast, the incidence of nonrecurrence-related mortality continued to increase and was 22.3% (95% CI, 20.4%-24.3%) at 30 years. Leading causes of nonrecurrence-related mortality included infection (30-year cumulative incidence, 10.7%; standardized mortality ratio [SMR], 52.0), subsequent malignant neoplasms (30-year cumulative incidence, 7.0%; SMR, 4.8), cardiovascular disease (30-year cumulative incidence, 4.6%; SMR, 4.1), and pulmonary disease (30-year cumulative incidence, 2.7%; SMR, 13.9). Compared with the general population, the relative mortality remained higher at 30 or more years after BMT (SMR, 5.4; 95% CI, 4.0-7.1). The cohort experienced a 20.8% reduction in life expectancy (8.7 years of life lost). Compared with 1974-1989 (reference), the adjusted 10-year hazard ratio (HR) of all-cause mortality declined over the 3 eras (1990-2004: HR, 0.67; 95% CI, 0.53-0.85; 2005-2014: HR, 0.52; 95% CI, 0.39-0.69; P < .001 for trend), as did years of life lost (1974-1989: 9.9 years [reference]; 1990-2004: 6.5 years; and 2005-2014: 4.2 years). The reduction in late mortality was most pronounced among individuals who underwent transplantation at ages younger than 18 years (1990-2004: HR, 0.62; 95% CI, 0.40-0.96; 2005-2014: HR, 0.30; 95% CI, 0.16-0.54; reference: 1974-1989; P < .001 for trend) and those who received bone marrow (1990-2004: HR, 0.70; 95% CI, 0.54-0.90; 2005-2014: HR, 0.45; 95% CI, 0.29-0.69; reference: 1974-1989; P < .001 for trend).Conclusions and relevanceThis cohort study noted that late mortality among recipients of allogeneic BMT has decreased over the past 40 years; however, life expectancy was not restored to expected rates compared with the general US population. Furthermore, the reduction in risk of late mortality appeared to be confined to those who underwent transplantation at a younger age or those who received bone marrow. Further efforts to mitigate disease recurrence, infections, subsequent neoplasms, cardiovascular disease, and pulmonary disease may be useful in this population.

Project description:The hematopoietic stem cell engraftment depends on adequate cell numbers, their homing, and the subsequent short and long-term engraftment of these cells in the niche. We performed a systematic review of the methods employed to track hematopoietic reconstitution using molecular imaging. We searched articles indexed, published prior to January 2020, in PubMed, Cochrane, and Scopus with the following keyword sequences: (Hematopoietic Stem Cell OR Hematopoietic Progenitor Cell) AND (Tracking OR Homing) AND (Transplantation). Of 2191 articles identified, only 21 articles were included in this review, after screening and eligibility assessment. The cell source was in the majority of bone marrow from mice (43%), followed by the umbilical cord from humans (33%). The labeling agent had the follow distribution between the selected studies: 14% nanoparticle, 29% radioisotope, 19% fluorophore, 19% luciferase, and 19% animal transgenic. The type of graft used in the studies was 57% allogeneic, 38% xenogeneic, and 5% autologous, being the HSC receptor: 57% mice, 9% rat, 19% fish, 5% for dog, porcine and salamander. The imaging technique used in the HSC tracking had the following distribution between studies: Positron emission tomography/single-photon emission computed tomography 29%, bioluminescence 33%, fluorescence 19%, magnetic resonance imaging 14%, and near-infrared fluorescence imaging 5%. The efficiency of the graft was evaluated in 61% of the selected studies, and before one month of implantation, the cell renewal was very low (less than 20%), but after three months, the efficiency was more than 50%, mainly in the allogeneic graft. In conclusion, our review showed an increase in using noninvasive imaging techniques in HSC tracking using the bone marrow transplant model. However, successful transplantation depends on the formation of engraftment, and the functionality of cells after the graft, aspects that are poorly explored and that have high relevance for clinical analysis.

Dataset Information

Prevalence and predictors of chronic health conditions after hematopoietic cell transplantation: a report from the Bone Marrow Transplant Survivor Study.

Publications

Prevalence and predictors of chronic health conditions after hematopoietic cell transplantation: a report from the Bone Marrow Transplant Survivor Study.

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