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Li W, Wang Z, Jiang C, Hua C, Tang Y, Zhang H, Liu X, Zheng S, Wang Y, Gao M, Lv Q, Dong J, Ma C, Du X. Effect of Intensive Blood Pressure Control on Cardiovascular Outcomes in Cancer Survivors. Hypertension 2024; 81:620-628. [PMID: 38164752 DOI: 10.1161/hypertensionaha.123.22194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/13/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND To evaluate whether cancer modifies the effect of intensive blood pressure control on major cardiovascular outcomes. METHODS Using data of the SPRINT (Systolic Blood Pressure Intervention Trial), we compared the risk of the composite outcomes of myocardial infarction, other acute coronary syndromes, stroke, heart failure, and cardiovascular death in patients with and without a history of cancer. Using Cox proportional hazards regression, we tested interactions between history of cancer and intensive blood pressure control on major cardiovascular outcomes. RESULTS The study included a total of 9336 patients, with a mean age of 67.9±9.4 years, among whom 2066 (22.2%) were cancer survivors. Over a median follow-up of 3.2 years, 561 primary cardiovascular outcomes were observed. Cancer survivors had a similar risk of experiencing the primary outcome compared with patients without cancer after multivariable adjustment (adjusted hazard ratio, 0.94 [95% CI, 0.77-1.15]). Intensive blood pressure control reduced risk of the primary cardiovascular outcome similarly for cancer survivors (hazard ratio, 0.70 [95% CI, 0.51-0.97]) and patients without cancer (HR, 0.76 [95% CI, 0.63-0.93]; P for interaction 0.74). CONCLUSIONS In SPRINT study, intensive blood pressure treatment reduced the risk of major cardiovascular events in cancer survivors to a similar extent to that of patients without cancer. Cancer history not requiring active treatment in last 2 years should not be an obstacle to intensive treatment of hypertension. This post hoc analysis should be considered as hypothesis-generating and merit further clinical trial. REGISTRATION URL: https://www.clinicaltrials.gov; Unique identifier: NCT01206062.
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Affiliation(s)
- Wenjie Li
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Zhiyan Wang
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Chao Jiang
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Chang Hua
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Yangyang Tang
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Hao Zhang
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Xinru Liu
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Shiyue Zheng
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Yufeng Wang
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Mingyang Gao
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Qiang Lv
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Jianzeng Dong
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
- Department of Cardiology, The First Affiliated Hospital of Zhengzhou University, Henan Province, China (J.D.)
| | - Changsheng Ma
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
| | - Xin Du
- Department of Cardiology, Anzhen Hospital, Capital Medical University, Beijing, China (W.L., Z.W., C.J., C.H., Y.T., H.Z., X.L., S.Z., Y.W., M.G., Q.L., J.D., C.M., X.D.)
- Heart Health Research Center, Beijing, China (X.D.)
- George Institute for Global Health, Australia (X.D.)
- The University of New South Wales, Sydney, Australia (X.D.)
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Sung H, Hyun N, Ohman RE, Yang EH, Siegel RL, Jemal A. Mediators of Black-White inequities in cardiovascular mortality among survivors of 18 cancers in the USA. Int J Epidemiol 2024; 53:dyad097. [PMID: 37471575 DOI: 10.1093/ije/dyad097] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 06/29/2023] [Indexed: 07/22/2023] Open
Abstract
BACKGROUND This study aims to quantify Black-White inequities in cardiovascular disease (CVD) mortality among US survivors of 18 adult-onset cancers and the extent to which these inequities are explained by differences in socio-economic and clinical factors. METHODS Survivors of cancers diagnosed at ages 20-64 years during 2007-16 were identified from 17 Surveillance, Epidemiology and End Results registries. Associations between race and CVD mortality were examined using proportional hazards models. Mediation analyses were performed to quantify the contributions of potential mediators, including socio-economic [health insurance, neighbourhood socio-economic status (nSES), rurality] and clinical (stage, surgery, chemotherapy, radiotherapy) factors. RESULTS Among 904 995 survivors, 10 701 CVD deaths occurred (median follow-up, 43 months). Black survivors were more likely than White survivors to die from CVD for all 18 cancers with hazard ratios ranging from 1.30 (95% CI = 1.15-1.47) for lung cancer to 4.04 for brain cancer (95% CI = 2.79-5.83). The total percentage mediations (indirect effects) ranged from 24.8% for brain (95% CI=-5.2-59.6%) to 99.8% for lung (95% CI = 61.0-167%) cancers. Neighbourhood SES was identified as the strongest mediator for 14 cancers with percentage mediations varying from 25.0% for kidney cancer (95% CI = 14.1-36.3%) to 63.5% for lung cancer (95% CI = 36.5-108.7%). Insurance ranked second for 12 cancers with percentage mediations ranging from 12.3% for leukaemia (95% CI = 0.7-46.7%) to 31.3% for thyroid cancer (95% CI = 10.4-82.7%). CONCLUSIONS Insurance and nSES explained substantial proportions of the excess CVD mortality among Black survivors. Mitigating the effects of unequal access to care and differing opportunities for healthy living among neighbourhoods could substantially reduce racial inequities in CVD mortality among cancer survivors.
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Affiliation(s)
- Hyuna Sung
- Surveillance and Health Equity Science, American Cancer Society, Atlanta, GA, USA
| | - Noorie Hyun
- Division of Biostatistics, Kaiser Permanente Washington Health Research Institute, Seattle, WA, USA
| | - Rachel E Ohman
- Division of Cardiology, Department of Medicine, University of California at Los Angeles, Los Angeles, CA, USA
| | - Eric H Yang
- Division of Cardiology, Department of Medicine, University of California at Los Angeles, Los Angeles, CA, USA
| | - Rebecca L Siegel
- Surveillance and Health Equity Science, American Cancer Society, Atlanta, GA, USA
| | - Ahmedin Jemal
- Surveillance and Health Equity Science, American Cancer Society, Atlanta, GA, USA
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