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Sundström J, Lind L, Nowrouzi S, Hagström E, Held C, Lytsy P, Neal B, Marttala K, Östlund O. Heterogeneity in Blood Pressure Response to 4 Antihypertensive Drugs: A Randomized Clinical Trial. JAMA 2023; 329:1160-1169. [PMID: 37039792 PMCID: PMC10091169 DOI: 10.1001/jama.2023.3322] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 02/21/2023] [Indexed: 04/12/2023]
Abstract
Importance Hypertension is the leading risk factor for premature death worldwide. Multiple blood pressure-lowering therapies are available but the potential for maximizing benefit by personalized targeting of drug classes is unknown. Objective To investigate and quantify the potential for targeting specific drugs to specific individuals to maximize blood pressure effects. Design, Setting, and Participants A randomized, double-blind, repeated crossover trial in men and women with grade 1 hypertension at low risk for cardiovascular events at an outpatient research clinic in Sweden. Mixed-effects models were used to assess the extent to which individuals responded better to one treatment than another and to estimate the additional blood pressure lowering achievable by personalized treatment. Interventions Each participant was scheduled for treatment in random order with 4 different classes of blood pressure-lowering drugs (lisinopril [angiotensin-converting enzyme inhibitor], candesartan [angiotensin-receptor blocker], hydrochlorothiazide [thiazide], and amlodipine [calcium channel blocker]), with repeated treatments for 2 classes. Main Outcomes and Measures Ambulatory daytime systolic blood pressure, measured at the end of each treatment period. Results There were 1468 completed treatment periods (median length, 56 days) recorded in 270 of the 280 randomized participants (54% men; mean age, 64 years). The blood pressure response to different treatments varied considerably between individuals (P < .001), specifically for the choices of lisinopril vs hydrochlorothiazide, lisinopril vs amlodipine, candesartan vs hydrochlorothiazide, and candesartan vs amlodipine. Large differences were excluded for the choices of lisinopril vs candesartan and hydrochlorothiazide vs amlodipine. On average, personalized treatment had the potential to provide an additional 4.4 mm Hg-lower systolic blood pressure. Conclusions and Relevance These data reveal substantial heterogeneity in blood pressure response to drug therapy for hypertension, findings that may have implications for personalized therapy. Trial Registration ClinicalTrials.gov Identifier: NCT02774460.
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Fenna J, Chu C, Hassan R, Gomes T, Tadrous M. Extent of a valsartan drug shortage and its effect on antihypertensive drug use in the Canadian population: a national cross-sectional study. CMAJ Open 2021; 9:E1128-E1133. [PMID: 34876414 PMCID: PMC8673482 DOI: 10.9778/cmajo.20200232] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Drug shortages represent a growing global problem, with potentially serious consequences to patients and the health care system. Our study investigates the impacts of a major recall and shortage of valsartan, an angiotensin receptor blocker (ARB), in July 2018 in Canada. METHODS We conducted a time-series analysis of antihypertensive drugs dispensed in Canada between 2015 and 2019 using commercially available retail prescription data. Using autoregressive integrated moving average (ARIMA) modelling, we evaluated the change in valsartan use after the recall. We also measured the overall use of ARBs, angiotensin-converting-enzyme (ACE) inhibitors and other antihypertensive drug classes for the same period. RESULTS After the recall in July 2018, valsartan use decreased 57.8%, from 362 231 prescriptions dispensed in June 2018 to 152 892 in September 2018 (difference = 209 339, p < 0.0001). Overall use of the ARB drug class decreased 2.0%, from 1 577 509 prescriptions dispensed in June 2018 to 1 545 591 in September 2018 (difference = 31 918, p = 0.0003), but use of non-valsartan ARBs increased 14.6%, from 1 215 278 to 1 392 699 prescriptions dispensed (difference = 177 421, p < 0.0001) in the same time frame. Although use of ACE inhibitors initially declined, this reduction was not sustained. The valsartan recall was not associated with a significant impact on use of other antihypertensive drug classes. INTERPRETATION Our findings illustrate the impact of a major drug shortage, with the immediate and substantial reduction of valsartan dispensed and cascading effects on other ARBs, though future research is warranted to understand the consequences of such extensive shortages on clinical outcomes and health system costs. Improved policy strategies are needed to address the underlying causes of drug shortages and to mitigate their effects.
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Shao Q, Xu Y, Li M, Chu X, Liu W. Research on Beers Criteria and STOPP/START Criteria based on the FDA FAERS database. Eur J Clin Pharmacol 2021; 77:1147-1156. [PMID: 34170370 DOI: 10.1007/s00228-021-03175-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 06/14/2021] [Indexed: 11/25/2022]
Abstract
PURPOSE Inappropriate medication criteria for the elderly have played an important role in ensuring the safety of medications for the elderly. Too few drugs included in the criteria cannot guarantee the safety of medication for the elderly. Too many drugs included in the criteria will result in less selective medication for the elderly. This paper uses real-world data to evaluate the relationship between antihypertensive drugs and falls, so as to provide references for experts and scholars to revise the criteria of potentially inappropriate medications for the elderly and clinical safe medication. METHOD We use the US Food and Drug Administration Adverse Event Reporting System (FDA FAERS) to evaluate the association between specific antihypertensive drugs in six categories (alpha-1 receptor blockers (α-1 blockers), calcium channel blockers (CCBs), angiotensin-converting enzyme inhibitors (ACEIs), angiotensin II receptor blockers (ARBs), beta-receptor blockers (β-blockers), and diuretics) and falls by data mining algorithms, including the reporting odds ratio (ROR), the proportional reporting ratio (PRR), Medicines and Healthcare Products Regulatory Agency (MHRA), and the empirical Bayes geometric mean (EBGM) and compared with the relevant drugs included in the Beers Criteria and STOPP/START Criteria. RESULT There are a total of 5,157,172 co-occurrences found in 973,447 reports aged 65 years or older from 2016 to 2019 in the FDA FAERS database, and the number of co-occurrences of falls is 5917 for the six categories of 51 antihypertensive drugs. Four kinds of mining methods overlap detection of 12 kinds of positive signal drugs, none of which are not included in the Beers Criteria and 7 drugs are included in the STOPP/START Criteria; 1-3 kinds of mining methods overlap detection of positive signal drugs, a total of 12 kinds, and one drug is included in the Beers Criteria and 5 drugs are included in the STOPP/START Criteria; 22 drugs have fall adverse events, but no positive signal is detected, and 13 drugs are included in STOPP/START Criteria; and 5 drugs have no fall adverse events and 3 drugs are included in the STOPP/START Criteria. CONCLUSION The FAERS database was used to confirm the potential connection between some antihypertensive drugs and fall adverse events through data mining algorithms. The Beers Criteria did not clearly indicate the antihypertensive drugs that caused falls, and the antihypertensive drugs included in the STOPP/START Criteria were too extensive and did not include β-blockers and diuretics. It is recommended that experts and scholars use real-world data (such as FAERS, EudraVigilance, WHO VigiBase, and so on) to further explore the relationship between specific antihypertensive drugs and falls in the elderly, so as to revise and improve the criteria for inappropriate medications for the elderly.
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Rethy LB, Feinstein MJ, Achenbach CJ, Townsend RR, Bress AP, Shah SJ, Cohen JB. Antihypertensive Class and Cardiovascular Outcomes in Patients With HIV and Hypertension. Hypertension 2021; 77:2023-2033. [PMID: 33813847 PMCID: PMC8119362 DOI: 10.1161/hypertensionaha.120.16263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 02/09/2021] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Abstract
Hypertension is a well-established and modifiable risk factor for stroke and other cardiovascular diseases. Notably, stroke is the second leading cause of death worldwide and the second most common cause of disability-adjusted life-years. As such, we provide a viewpoint on blood pressure management in stroke and emphasize blood pressure control or management for first and recurrent stroke prevention, acute stroke treatment, and for prevention of cognitive impairment or dementia.
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Walker VM, Davies NM, Martin RM, Kehoe PG. Comparison of Antihypertensive Drug Classes for Dementia Prevention. Epidemiology 2020; 31:852-859. [PMID: 32841987 PMCID: PMC7523578 DOI: 10.1097/ede.0000000000001245] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 07/22/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Hypertension in midlife is associated with increased risk of Alzheimer disease and vascular dementia late in life. In addition, some antihypertensive drugs have been proposed to have cognitive benefits, independent of their effect on hypertension. Consequently, there is potential to repurpose antihypertensive drugs for the prevention of dementia. This study systematically compared seven antihypertensive drug classes for this purpose, using the Clinical Practice Research Datalink. METHODS We assessed treatments for hypertension in an instrumental variable analysis to address potential confounding and reverse causation. We used physicians' prescribing preference as an ordinal instrument, defined by the physicians' last seven prescriptions. Participants considered were new antihypertensive users between 1996 and 2016, aged 40 and over. RESULTS We analyzed 849,378 patients, with total follow up of 5,497,266 patient-years. We estimated that β-adrenoceptor blockers and vasodilator antihypertensives conferred small protective effects-for example, β-adrenoceptor blockers were associated with 13 (95% confidence interval = 6, 20) fewer cases of any dementia per 1000 treated compared with other antihypertensives. CONCLUSIONS We estimated small differences in the effects of antihypertensive drug classes on dementia outcomes. We also show that the magnitude of the differences between drug classes is smaller than that previously reported. Future research should look to implement other causal analysis methods to address biases in conventional observational research, with the ultimate aim of triangulating the evidence concerning this hypothesis.
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Shaman AM, Smyth B, Arnott C, Palmer SC, Mihailidou AS, Jardine MJ, Gallagher MP, Perkovic V, Jun M. Comparative Efficacy and Safety of BP-Lowering Pharmacotherapy in Patients Undergoing Maintenance Dialysis: A Network Meta-Analysis of Randomized, Controlled Trials. Clin J Am Soc Nephrol 2020; 15:1129-1138. [PMID: 32675281 PMCID: PMC7409758 DOI: 10.2215/cjn.12201019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 05/07/2020] [Indexed: 01/24/2023]
Abstract
BACKGROUND AND OBJECTIVES Elevated BP is an important risk factor for cardiovascular disease, with a prevalence of over 80% in patients undergoing maintenance dialysis. We assessed the comparative BP-lowering efficacy and the safety of BP-lowering drugs in patients undergoing maintenance dialysis. DESIGN, SETTINGS, PARTICIPANTS, & MEASUREMENTS We performed a frequentist random effects network meta-analysis of randomized, controlled trials evaluating BP-lowering agents in adult patients undergoing maintenance dialysis. Electronic databases (CENTRAL, MEDLINE, and Embase) were systematically searched (up to August 2018) for relevant trials. The main outcome was systolic BP reduction. RESULTS Forty trials (4283 participants) met our inclusion criteria. Angiotensin-converting enzyme inhibitors, β-blockers, calcium-channel blockers, and aldosterone antagonists lowered systolic BP to a greater extent than placebo, with effect sizes ranging from -10.8 mm Hg (95% confidence interval, -14.8 to -6.7 mm Hg) for the aldosterone antagonists to -4.3 mm Hg (95% confidence interval, -7.2 to -1.5 mm Hg) for angiotensin-converting enzyme inhibitors. Aldosterone antagonists and β-blockers were superior to angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, calcium-channel blockers, and renin inhibitors at lowering systolic BP. Compared with angiotensin-converting enzyme inhibitors, aldosterone antagonists and β-blockers lowered systolic BP by 6.4 mm Hg (95% confidence interval, -11.4 to -1.4 mm Hg) and 4.4 mm Hg (95% confidence interval, -7.4 to -1.3 mm Hg), respectively. Systolic BP reduction was not different with angiotensin receptor blockers, α-blockers, and calcium-channel blockers compared with angiotensin-converting enzyme inhibitors. Renin inhibitors were less effective. Angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, and aldosterone antagonists incurred risks of drug discontinuation due to adverse events and hypotension. CONCLUSIONS BP-lowering agents significantly reduced systolic BP in patients undergoing maintenance dialysis. β-Blockers and aldosterone antagonists may confer larger reductions, although treatment with aldosterone antagonists may be limited by adverse events.
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Yap T, Affandi JS, Reid CM, Xu D. Translating research evidence into clinical practice: a reminder of important clinical lessons in management of resistant hypertension through a case study in general practice. BMJ Case Rep 2020; 13:e235007. [PMID: 32606122 PMCID: PMC7328755 DOI: 10.1136/bcr-2020-235007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/05/2020] [Indexed: 11/04/2022] Open
Abstract
A case of a 59-year-old man with resistant hypertension, despite 8 months of non-pharmacological and pharmacological management up to maximal doses of triple antihypertensive therapy. Review of the literature found a study that reported improved blood pressure control with bedtime dosing of antihypertensive treatment. Changing to bedtime dosage of antihypertensives resulted in significant improvement in blood pressure control to below target levels. This highlights the importance of the clinicians' awareness and implementation of research findings and hence delivery of best evidence-based care.
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Blumen-Ohana E, Sellem E. [Pregnancy & glaucoma: SFO-SFG recommendations]. J Fr Ophtalmol 2019; 43:63-66. [PMID: 31813552 DOI: 10.1016/j.jfo.2019.11.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 11/13/2019] [Indexed: 11/19/2022]
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Wu Y, Cao Y, Song J, Tian Y, Wang M, Li M, Wang X, Huang Z, Li L, Zhao Y, Qin X, Hu Y. Antihypertensive drugs use over a 5-year period among children and adolescents in Beijing, China: An observational study. Medicine (Baltimore) 2019; 98:e17411. [PMID: 31577753 PMCID: PMC6783152 DOI: 10.1097/md.0000000000017411] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Evidence on the prescription patterns of antihypertensive drug use in children and adolescents in China is scarce. A descriptive analysis of the Beijing Medical Claim Data, which covered over 95% of the urban residents, was conducted to investigate antihypertensive prescribing patterns and trends in children and adolescents aged under 18 from 2009 to 2014 in Beijing, China. An additional meta-analysis of trends in hypertension prevalence was conducted to compare trends with antihypertensive medications.A total of 11,882 patients received at least 1 prescription for antihypertensive drugs from 2009 to 2014. The number of annual antihypertensive users increased from 2009 to 2012, then declined steadily until 2014, which was consistent with the trend of the hypertension prevalence estimated from the meta-analysis. β-receptor blockers, thiazide diuretics, and angiotensin-converting enzyme inhibitors were the 3 most commonly prescribed antihypertensive drugs. More boys took the antihypertensive drugs than girls. For users aged under 3 years, thiazide diuretics, α-receptor blockers, and angiotensin-converting enzyme inhibitors were the most prescribed drugs, while β-receptor blockers, thiazide diuretics were the most used drugs for users above 3 years.In conclusion, antihypertensive drug prescribing for children and adolescents increased from 2009 to 2014, with different characteristics in different subgroups.
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Abstract
Elevated blood pressure (BP) has a strong and continuous association with Stage B and C heart failure (HF) and carries the highest attributable risk for HF. Intensive treatment of hypertension is crucial, as progression from hypertension (Stage A HF) to left ventricular hypertrophy (LVH) or other structural damage (Stage B HF) is common despite therapy. Echo cardiography is the modality of choice to detect Stage B HF. Ideally, Stage B HF should be prevented. However, regression of established LVH and other structural damage is feasible and improves prognosis. Despite differences among antihypertensive agents, control of BP remains the most important goal.
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Silva IVG, de Figueiredo RC, Rios DRA. Effect of Different Classes of Antihypertensive Drugs on Endothelial Function and Inflammation. Int J Mol Sci 2019; 20:ijms20143458. [PMID: 31337127 PMCID: PMC6678872 DOI: 10.3390/ijms20143458] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/05/2019] [Accepted: 06/06/2019] [Indexed: 12/12/2022] Open
Abstract
Hypertension is characterized by structural and functional changes in blood vessels that travel with increased arterial stiffness, vascular inflammation, and endothelial dysfunction. Some antihypertensive drugs have been shown to improve endothelial function and reduce levels of inflammatory markers regardless of the effect of blood pressure lowering. Third-generation β-blockers, such as nebivolol and carvedilol, because they have additional properties, have been shown to improve endothelial function in patients with hypertension. Calcium channel antagonists, because they have antioxidant effects, may improve endothelial function and vascular inflammation.The Angiotensin Receptor Blocker (ARBs) are able to improve endothelial dysfunction and vascular inflammation in patients with hypertension and other cardiovascular diseases. Angiotensin converting enzyme (ACE) inhibitors have shown beneficial effects on endothelial function in patients with hypertension and other cardiovascular diseases, however there are few studies evaluating the effect of treatment with this class on the reduction of C-reactive protein (CRP) levels. Further studies are needed to assess whether treatment of endothelial dysfunction and vascular inflammation may improve the prognosis of patients with essential hypertension.
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Anderson TS, Wray CM, Jing B, Fung K, Ngo S, Xu E, Shi Y, Steinman MA. Intensification of older adults' outpatient blood pressure treatment at hospital discharge: national retrospective cohort study. BMJ 2018; 362:k3503. [PMID: 30209052 PMCID: PMC6283373 DOI: 10.1136/bmj.k3503] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVES To assess how often older adults admitted to hospital for common non-cardiac conditions were discharged with intensified antihypertensive treatment, and to identify markers of appropriateness for these intensifications. DESIGN Retrospective cohort study. SETTING US Veterans Administration Health System. PARTICIPANTS Patients aged 65 years or over with hypertension admitted to hospital with non-cardiac conditions between 2011 and 2013. MAIN OUTCOME MEASURES Intensification of antihypertensive treatment, defined as receiving a new or higher dose antihypertensive agent at discharge compared with drugs used before admission. Hierarchical logistic regression analyses were used to control for characteristics of patients and hospitals. RESULTS Among 14 915 older adults (median age 76, interquartile range 69-84), 9636 (65%) had well controlled outpatient blood pressure before hospital admission. Overall, 2074 (14%) patients were discharged with intensified antihypertensive treatment, more than half of whom (1082) had well controlled blood pressure before admission. After adjustment for potential confounders, elevated inpatient blood pressure was strongly associated with being discharged on intensified antihypertensive regimens. Among patients with previously well controlled outpatient blood pressure, 8% (95% confidence interval 7% to 9%) of patients without elevated inpatient blood pressure, 24% (21% to 26%) of patients with moderately elevated inpatient blood pressure, and 40% (34% to 46%) of patients with severely elevated inpatient blood pressure were discharged with intensified antihypertensive regimens. No differences were seen in rates of intensification among patients least likely to benefit from tight blood pressure control (limited life expectancy, dementia, or metastatic malignancy), nor in those most likely to benefit (history of myocardial infarction, cerebrovascular disease, or renal disease). CONCLUSIONS One in seven older adults admitted to hospital for common non-cardiac conditions were discharged with intensified antihypertensive treatment. More than half of intensifications occurred in patients with previously well controlled outpatient blood pressure. More attention is needed to reduce potentially harmful overtreatment of blood pressure as older adults transition from hospital to home.
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Pio-Abreu A, Drager LF. Resistant Hypertension: Time to Consider the Best Fifth Anti-Hypertensive Treatment. Curr Hypertens Rep 2018; 20:67. [PMID: 29909538 DOI: 10.1007/s11906-018-0866-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Resistant hypertension (RH) is a growing clinical condition worldwide associated with target-organ damage and poor prognosis compared to non-resistant counterparts. The purpose of this review is to perform a critical evaluation of preferable drug choices for managing RH highlighting the evidence that significant proportion of patients remained uncontrolled despite using four anti-hypertensive drugs. RECENT FINDINGS Until recently, the fourth drug therapy was main derived from personal opinion or small interventional studies. The recent data derived from two multicentric randomized trials, namely PATHWAY-2 and ReHOT, pointed spironolactone as the preferable fourth drug therapy in patients with confirmed RH as compared to bisoprolol and doxazosin (PATHWAY-2) as well as clonidine (ReHOT). However, significant proportion of patients (especially observed in ReHOT trial that used 24-h ambulatory blood pressure monitoring) did not achieve optimal blood pressure with the fourth drug. This finding underscores the need of new approaches and treatment options in this important research area. The current evidence pointed that significant proportion of RH patients are requiring more than four drugs for controlling BP. This statement is particularly true considering the new criteria proposed by the 2017 Guidelines for diagnosing RH (> 130 × 80 mmHg). New combinations, drugs, or treatments should be tested aiming to reduce the RH burden. Based on the aforementioned multicentric trials, we proposed the first five preferable anti-hypertensive classes in the overall context of RH.
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Butalia S, Audibert F, Côté AM, Firoz T, Logan AG, Magee LA, Mundle W, Rey E, Rabi DM, Daskalopoulou SS, Nerenberg KA. Hypertension Canada's 2018 Guidelines for the Management of Hypertension in Pregnancy. Can J Cardiol 2018; 34:526-531. [PMID: 29731014 DOI: 10.1016/j.cjca.2018.02.021] [Citation(s) in RCA: 130] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 02/20/2018] [Accepted: 02/20/2018] [Indexed: 11/18/2022] Open
Abstract
We present Hypertension Canada's inaugural evidence-based Canadian recommendations for the management of hypertension in pregnancy. Hypertension in pregnancy is common, affecting approximately 7% of pregnancies in Canada, and requires effective management to reduce maternal, fetal, and newborn complications. Because of this importance, these guidelines were developed in partnership with the Society of Obstetricians and Gynaecologists of Canada with the main common objective of improving the management of women with hypertension in pregnancy. Guidelines for the diagnosis, assessment, prevention, and treatment of hypertension in adults and children are published separately. In this first Hypertension Canada guidelines for hypertension in pregnancy, 7 recommendations for the management of nonsevere and severe hypertension in pregnancy are presented. For nonsevere hypertension in pregnancy (systolic blood pressure 140-159 mm Hg and/or diastolic blood pressure 80-109 mm Hg), we provide guidance for the threshold for initiation of antihypertensive therapy, blood pressure targets, as well as first- and second-line antihypertensive medications. Severe hypertension (systolic blood pressure ≥ 160 mm Hg and/or diastolic blood pressure ≥ 110 mm Hg) requires urgent antihypertensive therapy to reduce maternal, fetal, and newborn adverse outcomes. The specific evidence and rationale underlying each of these guidelines are discussed.
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Markovitz AA, Mack JA, Nallamothu BK, Ayanian JZ, Ryan AM. Incremental effects of antihypertensive drugs: instrumental variable analysis. BMJ 2017; 359:j5542. [PMID: 29273586 PMCID: PMC5736968 DOI: 10.1136/bmj.j5542] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
OBJECTIVES To assess the incremental effects of adding extra antihypertensive drugs from a new class to a patient's regimen. DESIGN Instrumental variable analysis of data from SPRINT (Systolic Blood Pressure Intervention Trial). To account for confounding by indication-when treatments seem less effective if they are administered to sicker patients-randomization status was used as the instrumental variable. Patients' randomization status was either intensive (systolic blood pressure target <120 mm Hg) or standard (systolic blood pressure target <140 mm Hg) treatment. Results from instrumental variable models were compared with those from standard multivariable models. SETTING Secondary data analysis of a randomized clinical trial conducted at 102 sites in 2010-15. PARTICIPANTS 9092 SPRINT participants with hypertension and increased cardiovascular risk but no history of diabetes or stroke. MAIN OUTCOMES MEASURES Systolic blood pressure, major cardiovascular events, and serious adverse events. RESULTS In standard multivariable models not adjusted for confounding by indication, addition of an antihypertensive drug from a new class was associated with modestly lower systolic blood pressure (-1.3 mm Hg, 95% confidence interval -1.6 to -1.0) and no change in major cardiovascular events (absolute risk of events per 1000 patient years, 0.5, 95% confidence interval -1.5 to 2.3). In instrumental variable models, the addition of an antihypertensive drug from a new class led to clinically important reductions in systolic blood pressure (-14.4 mm Hg, -15.6 to -13.3) and fewer major cardiovascular events (absolute risk -6.2, -10.9 to -1.3). Incremental reductions in systolic blood pressure remained large and similar in magnitude for patients already taking drugs from zero, one, two, or three or more drug classes. This finding was consistent across all subgroups of patients. The addition of another antihypertensive drug class was not associated with adverse events in either standard or instrumental variable models. CONCLUSIONS After adjustment for confounding by indication, the addition of a new antihypertensive drug class led to large reductions in systolic blood pressure and major cardiovascular events among patients at high risk for cardiovascular events but without diabetes. Effects on systolic blood pressure persisted across all levels of baseline drug use and all subgroups of patients.
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Chang TI, Reboussin DM, Chertow GM, Cheung AK, Cushman WC, Kostis WJ, Parati G, Raj D, Riessen E, Shapiro B, Stergiou GS, Townsend RR, Tsioufis K, Whelton PK, Whittle J, Wright JT, Papademetriou V. Visit-to-Visit Office Blood Pressure Variability and Cardiovascular Outcomes in SPRINT (Systolic Blood Pressure Intervention Trial). Hypertension 2017; 70:751-758. [PMID: 28760939 PMCID: PMC6209591 DOI: 10.1161/hypertensionaha.117.09788] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Revised: 06/10/2017] [Accepted: 07/11/2017] [Indexed: 12/13/2022]
Abstract
Studies of visit-to-visit office blood pressure (BP) variability (OBPV) as a predictor of cardiovascular events and death in high-risk patients treated to lower BP targets are lacking. We conducted a post hoc analysis of SPRINT (Systolic Blood Pressure Intervention Trial), a well-characterized cohort of participants randomized to intensive (<120 mm Hg) or standard (<140 mm Hg) systolic BP targets. We defined OBPV as the coefficient of variation of the systolic BP using measurements taken during the 3-,6-, 9-, and 12-month study visits. In our cohort of 7879 participants, older age, female sex, black race, current smoking, chronic kidney disease, and coronary disease were independent determinants of higher OBPV. Use of thiazide-type diuretics or dihydropyridine calcium channel blockers was associated with lower OBPV whereas angiotensin-converting enzyme inhibitors or angiotensin receptor blocker use was associated with higher OBPV. There was no difference in OBPV in participants randomized to standard or intensive treatment groups. We found that OBPV had no significant associations with the composite end point of fatal and nonfatal cardiovascular events (n=324 primary end points; adjusted hazard ratio, 1.20; 95% confidence interval, 0.85-1.69, highest versus lowest quintile) nor with heart failure or stroke. The highest quintile of OBPV (versus lowest) was associated with all-cause mortality (adjusted hazard ratio, 1.92; confidence interval, 1.22-3.03) although the association of OBPV overall with all-cause mortality was marginal (P=0.07). Our results suggest that clinicians should continue to focus on office BP control rather than on OBPV unless definitive benefits of reducing OBPV are shown in prospective trials. CLINICAL TRIAL REGISTRATION URL: http://www.clinicaltrials.gov. Unique identifier: NCT01206062.
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Viera AJ. Screening for Hypertension and Lowering Blood Pressure for Prevention of Cardiovascular Disease Events. Med Clin North Am 2017; 101:701-712. [PMID: 28577621 DOI: 10.1016/j.mcna.2017.03.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hypertension affects 1 in 3 American adults. Blood pressure (BP)-lowering therapy reduces the risk of cardiovascular disease. The United States Preventive Services Task Force recommends all adults be screened for hypertension. Most patients whose office BP is elevated should have out-of-office monitoring to confirm the diagnosis. Ambulatory BP monitoring is preferred for out-of-office measurement, but home BP monitoring is a reasonable alternative. Guidelines for treatment are stratified by age (<60 vs >60 years) and include cutoffs for recommended treatment BPs and target BP goals. Quality of hypertension care is improved by incorporating population health management using registries and medication titration.
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Ptinopoulou AG, Pikilidou MI, Tziolas IM, Haidich AB, Mark PB, Zebekakis PE, Lasaridis AN. Changes in Kidney Function in a Population With Essential Hypertension in Real Life Settings. IRANIAN JOURNAL OF KIDNEY DISEASES 2017; 11:192-200. [PMID: 28575879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 11/06/2016] [Indexed: 06/07/2023]
Abstract
INTRODUCTION Hypertension has been identified as one of the commonest modifiable determinants for chronic kidney disease progression. A variety of antihypertensive drugs are available and their effect on kidney function has been investigated by a large number of randomized controlled trials. Observational studies, although scarcely been used, outpatient can reflect everyday practice, where drug exposures vary over time, and may provide an alternative for detecting longitudinal changes in kidney function. MATERIALS AND METHODS We applied mixed model repeated measures analysis to investigate the effect of antihypertensive drug categories and their combinations on kidney function change over time in a cohort of 779 patients with essential hypertension, using the data from a Greek hypertension outpatient clinic. Antihypertensive drugs were grouped in 5 categories. Their effect was evaluated and their combinations with and without renin-angiotensin-system inhibitors (RASI) to each other. In addition, the combination of RASI with calcium channel blockers (CCBs) was studied. RESULTS Diuretics, RASI, CCBs, and beta-blockers had a significant renoprotective and blood pressure lowering effect. Combinations with RASI had a smaller beneficial effect on kidney function compared to CCBs (0.75 mL/min/1.73 m2 per year of drug use versus 0.97 mL/min/1.73 m2). There was no additional effect when combining RASI with CCBs. However, the lowering effect on systolic blood pressure was greater (-0.83 mm Hg per year of drug use, P < .001). CONCLUSIONS RASI were found to have a smaller, although significant, renoprotective effect. There was no additional effect on kidney function when combining RASI with CCBs.
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Sarganas G, Neuhauser HK. Untreated, Uncontrolled, and Apparent Resistant Hypertension: Results of the German Health Examination Survey 2008-2011. J Clin Hypertens (Greenwich) 2016; 18:1146-1154. [PMID: 27481706 PMCID: PMC8031810 DOI: 10.1111/jch.12886] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 04/20/2016] [Accepted: 04/29/2016] [Indexed: 11/30/2022]
Abstract
The prevalence and associated factors of untreated, uncontrolled, and apparent-resistant hypertension (RH) in Germany are unknown. Based on European Society of Hypertension criteria, apparent RH was defined as blood pressure (BP) ≥140/90 mm Hg (≥140/85 mm Hg in diabetics) under treatment with three different classes of antihypertensive agents including a diuretic. Data from the German Health Examination Survey (2008-2011; n=7115, age 18-79 years) including standardized BP measurements and Anatomical Therapeutic Chemical-coded taken medications were analyzed. Among patients aware of their hypertensive status (n=2205), 37.9% were uncontrolled and, among those, 33.4% were untreated. Being aware and having untreated and uncontrolled BP was associated with male sex, young age, not having cardiovascular disease, not performing BP self-measurement, not being obese, and not smoking. Apparent RH occurred in 6.8% of treated aware hypertensive patients and was positively associated with having diabetes. The proportion of uncontrolled BP is still high. Not having "obvious risk factors" has become a risk itself for having untreated and uncontrolled hypertension.
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Remonti LR, Dias S, Leitão CB, Kramer CK, Klassman LP, Welton NJ, Ades AE, Gross JL. Classes of antihypertensive agents and mortality in hypertensive patients with type 2 diabetes-Network meta-analysis of randomized trials. J Diabetes Complications 2016; 30:1192-200. [PMID: 27217022 DOI: 10.1016/j.jdiacomp.2016.04.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 04/05/2016] [Accepted: 04/25/2016] [Indexed: 11/24/2022]
Abstract
AIMS The aim of this study was to evaluate the effects of antihypertensive drug classes in mortality in patients with type 2 diabetes. METHODS MEDLINE, EMBASE, Clinical Trials and Cochrane Library were searched for randomized trials comparing thiazides, beta-blockers, calcium channel blockers (CCBs), angiotensin-converting inhibitors (ACEi) and angiotensin-receptor blockers (ARBs), alone or in combination for hypertension treatment in patients with type 2 diabetes. Outcomes were overall and cardiovascular mortality. Network meta-analysis was used to obtain pooled effect estimate. RESULTS A total of 27 studies, comprising 49,418 participants, 5647 total and 1306 cardiovascular deaths were included. No differences in total or cardiovascular mortality were observed with isolated antihypertensive drug classes compared to each other or placebo. The ACEi and CCB combination showed evidence of reduction in cardiovascular mortality comparing to placebo [median HR, 95% credibility intervals: 0.16, 0.01-0.82], betablockers (0.20, 0.02-0.98), CCBs (0.21, 0.02-0.97) and ARBs (0.18, 0.02-0.91). In included trials, this combination was the treatment that most consistently achieved both lower systolic and diastolic end of study blood pressure. CONCLUSIONS There is no benefit of a single antihypertensive class in reduction of mortality in hypertensive patients with type 2 diabetes. Reduction of cardiovascular mortality observed in patients treated with ACEi and CCB combination may be related to lower blood pressure levels.
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Wang WT, You LK, Chiang CE, Sung SH, Chuang SY, Cheng HM, Chen CH. Comparative Effectiveness of Blood Pressure-lowering Drugs in Patients who have Already Suffered From Stroke: Traditional and Bayesian Network Meta-analysis of Randomized Trials. Medicine (Baltimore) 2016; 95:e3302. [PMID: 27082571 PMCID: PMC4839815 DOI: 10.1097/md.0000000000003302] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Hypertension is the most important risk factor for stroke and stroke recurrence. However, the preferred blood pressure (BP)-lowering drug class for patients who have suffered from a stroke has yet to be determined. To investigate the relative effects of BP-lowering therapies [angiotensin-converting enzyme inhibitor (ACEI), angiotensin receptor blockers (ARB), β blockers, calcium channel blockers (CCBs), diuretics, and combinations of these drugs] in patients with a prior stroke history, we performed a systematic review and meta-analysis using both traditional frequentist and Bayesian random-effects models and meta-regression of randomized controlled trials (RCTs) on the outcomes of recurrent stroke, coronary heart disease (CHD), and any major adverse cardiac and cerebrovascular events (MACCE). Trials were identified from searches of published hypertension guidelines, electronic databases, and previous systematic reviews. Fifteen RCTs composed of 39,329 participants with previous stroke were identified. Compared with the placebo, only ACEI along with diuretics significantly reduced recurrent stroke events [odds ratio (OR) = 0.54, 95% credibility interval (95% CI) 0.33-0.90]. On the basis of the distribution of posterior probabilities, the treatment ranking consistently identified ACEI along with diuretics as the preferred BP-lowering strategy for the reduction of recurrent stroke and CHD (31% and 35%, respectively). For preventing MACCE, diuretics appeared to be the preferred agent for stroke survivors (34%). Moreover, the meta-regression analysis failed to demonstrate a statistical significance between BP reduction and all outcomes (P = 0.1618 for total stroke, 0.4933 for CHD, and 0.2411 for MACCE). Evidence from RCTs supports the use of diuretics-based treatment, especially when combined with ACEI, for the secondary prevention of recurrent stroke and any vascular events in patients who have suffered from stroke.
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Antoniou S, Saxena M, Hamedi N, de Cates C, Moghul S, Lidder S, Kapil V, Lobo MD. Management of Hypertensive Patients With Multiple Drug Intolerances: A Single-Center Experience of a Novel Treatment Algorithm. J Clin Hypertens (Greenwich) 2016; 18:129-38. [PMID: 26306794 PMCID: PMC5049677 DOI: 10.1111/jch.12637] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Revised: 06/18/2015] [Accepted: 06/27/2015] [Indexed: 02/05/2023]
Abstract
Multiple drug intolerance to antihypertensive medications (MDI-HTN) is an overlooked cause of nonadherence. In this study, 55 patients with MDI-HTN were managed with a novel treatment algorithm utilizing sequentially initiated monotherapies or combinations of maximally tolerated doses of fractional tablet doses, liquid formulations, transdermal preparations, and off-label tablet medications. A total of 10% of referred patients had MDI-HTN, resulting in insufficient pharmacotherapy and baseline office blood pressure (OBP) of 178±24/94±15 mm Hg. At baseline, patients were intolerant to 7.6±3.6 antihypertensives; they were receiving 1.4±1.1 medications. After 6 months on the novel MDI-HTN treatment algorithm, both OBP and home blood pressure (HBP) were significantly reduced, with patients receiving 2.0±1.2 medications. At 12 months, OBP was reduced from baseline by 17±5/9±3 mm Hg (P<.01, P<.05) and HBP was reduced by 11±5/12±3 mm Hg (P<.01 for both) while patients were receiving 1.9±1.1 medications. Application of a stratified medicine approach allowed patients to tolerate increased numbers of medications and achieved significant long-term lowering of blood pressure.
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Kryukov EV, Potekhin NP, Fursov AN, Chernetsov VA, Chernov SA, Zakharova EG. [HYPERTENSIVE CRISIS: MODERN VIEW OF THE PROBLEM AND OPTIMIZATION OF DIAGNOSTIC AND THERAPEUTIC MODALITIES]. KLINICHESKAIA MEDITSINA 2016; 94:52-56. [PMID: 27172724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The data collected by Burdenko Military Hospital indicate that in the 1980s hypertensive crisis (HC) occurred in roughly 30% of the patients with AH. This value fell down to 16% by 2012, with a rise in the number of uncomplicated crises from 46 to 62%. Analysis of the causes behind these changes showed that half of the patients simply experienced an elevated arterial pressure with minimal clinical symptoms. The decrease in the number of complicated cases from 54 to 39% is doubtful bearing in mind that ICD-10 gives the status of nosological entities to complications of hypertensive crisis (stroke, myocardial infarction, etc.) but not to the HC syndrome proper requiring urgent hospitalization; due to this hypertensive crisis itself tends to be disregarded and not included in statistics. HC with acute clinically significant lesions of target organs requires intensive care or resuscitation using infusion of vasodilators and loop diuretics to stabilize arterial pressure. In case of uncomplicted HC and aggravation of hypertensive disease, the medications of choice are oral short-acting ACE inhibitors and imidazoline receptor agonists.
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Ah YM, Lee JY, Choi YJ, Kim B, Choi KH, Kong J, Oh JM, Shin WG, Lee HY. Persistence with Antihypertensive Medications in Uncomplicated Treatment-Naïve Patients: Effects of Initial Therapeutic Classes. J Korean Med Sci 2015; 30:1800-6. [PMID: 26713055 PMCID: PMC4689824 DOI: 10.3346/jkms.2015.30.12.1800] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 08/17/2015] [Indexed: 11/20/2022] Open
Abstract
We aimed to assess one-year persistence with antihypertensive therapy (AHT) among newly treated uncomplicated hypertensive patients in Korea and to evaluate the effect of initial therapeutic classes on persistence. We retrospectively analyzed a random sample of 20% of newly treated uncomplicated hypertensive patients (n = 45,787) in 2012 from the National Health Insurance claims database. This group was classified into six cohorts based on initial AHT class. We then measured treatment persistence, allowing a prescription gap of 60 days. Adherence to AHT was assessed with the medication possession ratio. Calcium channel blockers (CCB, 43.7%) and angiotensin receptor blockers (ARB, 40.3%) were most commonly prescribed as initial monotherapy. Overall, 62.1% and 42.0% were persistent with any AHT and initial class at one year, respectively, and 64.2% were adherent to antihypertensive treatment. Compared with ARBs, the risk of AHT discontinuation was significantly increased with initial use of thiazide diuretics (hazard ratio [HR], 3.16; 95% confidence interval [CI] 2.96-3.74) and beta blockers (HR, 1.86; CI, 1.77-1.95) and was minimally increased with CCBs (HR, 1.12; CI, 1.08-1.15). In conclusion, persistence and adherence to AHT are suboptimal, but the differences are meaningful in persistence and adherence between initial AHT classes.
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