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Aşantoğrol F, Koruyucu AN. Evaluation of antihypertensive drug-induced changes in mandibular bone using fractal analysis. Oral Surg Oral Med Oral Pathol Oral Radiol 2024:S2212-4403(24)00445-0. [PMID: 39366840 DOI: 10.1016/j.oooo.2024.08.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 07/27/2024] [Accepted: 08/24/2024] [Indexed: 10/06/2024]
Abstract
OBJECTIVE The aim was to evaluate changes in trabecular and cortical mandibular bone caused by antihypertensive (AHT) drugs through fractal analysis. STUDY DESIGN This retrospective study included 230 patients who were taking AHT medication and had no conditions affecting bone metabolism other than hypertension. A control group of 230 healthy, sex-matched individuals was also included. Patients were divided into subgroups according to AHT drugs: thiazide diuretics (TDs), beta-blockers (BBs), angiotensin converting enzyme inhibitors (ACEIs), angiotensin receptor blockers (ARBs), calcium channel blockers (CCBs), and a combination of drugs. The fractal dimension (FD) was calculated bilaterally in 5 regions of interest (ROI 1 - ROI 5) including 4 trabecular regions and 1 cortical region using Image J software. RESULTS Mean FD values were significantly higher in all ROIs for the study group compared to the control group (P < .001). FDs were significantlty higher for BB, ACEI, ARB, CCB, and combined subgroups compared to controls in ROIs 1, 2, and 4; for ACEI and CCB subgroups compared to controls in ROI 3; and for TD, BB, ACEI, ARB, CCB, and combined subgroups compared to controls in ROI 5 (P < .001). CONCLUSIONS AHTs may increase FD values of the trabecular and cortical structures. Assessment of the effects of AHT drugs is essential for predicting the prognosis for bone healing after tooth extraction, osseointegration after implant surgery, or other surgical procedures.
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Affiliation(s)
- Firdevs Aşantoğrol
- Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Gaziantep University, Gaziantep, Turkey.
| | - Ayşe Nur Koruyucu
- Specialist Dentist in Oral and Maxillofacial Radiology, Osmaniye Oral and Dental Health Center, Osmaniye, Turkey
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Sumida K, Shrestha P, Mallisetty Y, Surbhi S, Thomas F, Streja E, Kalantar-Zadeh K, Kovesdy CP. Incident Diuretic Use and Subsequent Risk of Bone Fractures: A Large Nationwide Observational Study of US Veterans. Mayo Clin Proc 2024; 99:913-926. [PMID: 38573302 DOI: 10.1016/j.mayocp.2023.09.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 04/05/2024]
Abstract
OBJECTIVE To investigate the association of incident use of diuretics with subsequent risk of incident bone fractures. PATIENTS AND METHODS In a nationwide cohort of 863,339 US veterans receiving care from the VA health care system between October 1, 2004, and September 30, 2006, with follow-up through June 30, 2018, we examined the association of incident diuretic use (overall, and separately by thiazide, loop, and potassium-sparing diuretics) with subsequent risk of incident bone fractures using multivariable Cox regression models while minimizing confounding by indication using a target trial emulation approach. RESULTS Patients were 63.3±12.9 years old; 93.5% (n=807,180) were male; and 27.1% (n=233,996) were diabetic. Their baseline estimated glomerular filtration rate was 84.4±16.5 mL/min per 1.73 m2. Among 863,339 patients, 424,386 (49.2%) newly initiated diuretics, of which 77.4% (n=328,524), 22.5% (n=95,457), and 0.1% (n=405) were thiazide, loop, and potassium-sparing diuretic users, respectively. After multivariable adjustments, incident diuretic use (vs non-use) was significantly associated with higher risk of incident fracture (adjusted HR [aHR], 1.14; 95% CI, 1.11 to 1.16). The association was most pronounced for loop diuretics (aHR, 1.39; 95% CI, 1.35 to 1.44) but less evident for thiazide diuretics (aHR, 1.08; 95% CI, 1.06 to 1.10) and was not significant for potassium-sparing diuretics (aHR, 0.97; 95% CI, 0.62 to 1.52). The diuretic-fracture association was more evident in younger (vs older) patients, those with (vs without) corticosteroid use, and those with lower (vs higher) serum sodium levels. CONCLUSION Incident use of diuretics, particularly loop diuretics, was independently associated with higher risk of incident bone fractures. Our findings suggest distinct pathophysiologic contributions of diuretics to bone metabolism and the need for careful attention to skeletal outcomes when initiating diuretics.
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Affiliation(s)
- Keiichi Sumida
- Division of Nephrology, Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Prabin Shrestha
- Division of Nephrology, Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Yamini Mallisetty
- Division of Nephrology, Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Satya Surbhi
- Center for Health System Improvement, Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Fridtjof Thomas
- Division of Biostatistics, Department of Preventive Medicine, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Elani Streja
- Division of Nephrology, Hypertension, and Kidney Transplantation, Department of Medicine, University of California Irvine School of Medicine, Orange, CA, USA; Tibor Rubin Veterans Affairs Medical Center, Long Beach, CA, USA
| | - Kamyar Kalantar-Zadeh
- Division of Nephrology, Hypertension, and Kidney Transplantation, Department of Medicine, University of California Irvine School of Medicine, Orange, CA, USA; Tibor Rubin Veterans Affairs Medical Center, Long Beach, CA, USA
| | - Csaba P Kovesdy
- Division of Nephrology, Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA; Nephrology Section, Memphis VA Medical Center, Memphis, TN, USA.
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Chang CM, Chen YC, Wu WT, Lin TK, Chou YC, Lin MH, Sun CA. Association between clinical use of nifedipine and the risk of osteoporosis: a nationwide retrospective cohort study. Osteoporos Int 2023:10.1007/s00198-023-06756-0. [PMID: 37079024 DOI: 10.1007/s00198-023-06756-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 04/12/2023] [Indexed: 04/21/2023]
Abstract
Nifedipine is one of the common calcium channel blockers (CCBs) for hypertension that induce peroxisome-proliferator-activated receptor γ coactivator 1-α, which is envisioned as a potential therapeutic target in bone disease. The findings of this retrospective cohort study suggest that patients who receive nifedipine may have a potential protective effect on osteoporosis in comparison to other CCBs. INTRODUCTION Nifedipine was one L-type dihydropyridine calcium channel blocker (CCB) that can improve bone loss. However, epidemiological studies on the association between the use of nifedipine and osteoporosis risk are limited. Thus, this study aimed to evaluate the association between the clinical use of nifedipine and the risk of osteoporosis. METHODS This retrospective cohort was conducted using the National Health Insurance Research Database of Taiwan from 2000 to 2013. The study includes 1225 patients receiving nifedipine (the exposed cohort) and 4900 patients receiving other CCBs (the comparison cohort). The primary outcome was the diagnosis of osteoporosis. The hazard ratios (HRs) and 95% confidence intervals (CIs) were used to assess the association between the use of nifedipine and the risk of osteoporosis. RESULTS Patients receiving nifedipine treatment had a reduced risk of osteoporosis as compared with those undergoing other CCB treatments (adjusted HR, 0.44; 95% CI, 0.37-0.53). Moreover, this inverse association is evident in both sexes and various age groups. CONCLUSIONS This population-based cohort study demonstrated that nifedipine may have potential protective effect on osteoporosis compared with other CCBs. The clinical implications of the present study need further investigation.
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Affiliation(s)
- Chao-Ming Chang
- Division of Neurosurgery, Department of Surgery, Kaohsiung Armed Forces General Hospital, Kaohsiung City, Taiwan
- Division of Neurosurgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaoshiung Medical University, Kaohsiung City, Taiwan
| | - Yong-Chen Chen
- Data Science Center, College of Medicine, Fu-Jen Catholic University, New Taipei City, 242, Taiwan
- Department of Medicine, College of Medicine, Fu-Jen Catholic University, New Taipei City, 242, Taiwan
| | - Wen-Tung Wu
- Department of Pharmacy, Tri-Service General Hospital, National Defense Medical Center, Taipei, 114, Taiwan
- School of Pharmacy, National Defense Medical Center, Taipei 114, Taiwan
| | - Tsung-Kun Lin
- School of Pharmacy, National Defense Medical Center, Taipei 114, Taiwan
| | - Yu-Ching Chou
- School of Public Health, National Defense Medical Center, Taipei 114, Taiwan
| | - Ming-Hsun Lin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan.
| | - Chien-An Sun
- Data Science Center, College of Medicine, Fu-Jen Catholic University, New Taipei City, 242, Taiwan.
- Department of Public Health, College of Medicine, Fu-Jen Catholic University, New Taipei City, 242, Taiwan.
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Huang X, Zhang T, Guo P, Gong W, Zhu H, Zhao M, Yuan Z. Association of antihypertensive drugs with fracture and bone mineral density: A comprehensive drug-target Mendelian randomization study. Front Endocrinol (Lausanne) 2023; 14:1164387. [PMID: 37056679 PMCID: PMC10086430 DOI: 10.3389/fendo.2023.1164387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Background Observational studies have investigated the associations between antihypertensive drugs and fracture risk as well as bone mineral density (BMD), but yielding controversial results. Methods In this study, a comprehensive drug-target Mendelian randomization (MR) analysis was conducted to systematically examine the associations between genetic proxies for eight common antihypertensive drugs and three bone health-related traits (fracture, total body BMD [TB-BMD], and estimated heel BMD [eBMD]). The main analysis used the inverse-variance weighted (IVW) method to estimate the causal effect. Multiple MR methods were also employed to test the robustness of the results. Results The genetic proxies for angiotensin receptor blockers (ARBs) were associated with a reduced risk of fracture (odds ratio [OR] = 0.67, 95% confidence interval [CI]: 0.54 to 0.84; P = 4.42 × 10-4; P-adjusted = 0.004), higher TB-BMD (β = 0.36, 95% CI: 0.11 to 0.61; P = 0.005; P-adjusted = 0.022), and higher eBMD (β = 0.30, 95% CI: 0.21 to 0.38; P = 3.59 × 10-12; P-adjusted = 6.55 × 10-11). Meanwhile, genetic proxies for calcium channel blockers (CCBs) were associated with an increased risk of fracture (OR = 1.07, 95% CI: 1.03 to 1.12; P = 0.002; P-adjusted = 0.013). Genetic proxies for potassium sparing diuretics (PSDs) showed negative associations with TB-BMD (β = -0.61, 95% CI: -0.88 to -0.33; P = 1.55 × 10-5; P-adjusted = 1.86 × 10-4). Genetic proxies for thiazide diuretics had positive associations with eBMD (β = 0.11, 95% CI: 0.03 to 0.18; P = 0.006; P-adjusted = 0.022). No significant heterogeneity or pleiotropy was identified. The results were consistent across different MR methods. Conclusions These findings suggest that genetic proxies for ARBs and thiazide diuretics may have a protective effect on bone health, while genetic proxies for CCBs and PSDs may have a negative effect.
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Affiliation(s)
- Xin Huang
- Department of Biostatistics, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Institute for Medical Dataology, Shandong University, Jinan, Shandong, China
| | - Tianxin Zhang
- Department of Biostatistics, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Institute for Medical Dataology, Shandong University, Jinan, Shandong, China
| | - Ping Guo
- Department of Biostatistics, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Institute for Medical Dataology, Shandong University, Jinan, Shandong, China
| | - Weiming Gong
- Department of Biostatistics, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Institute for Medical Dataology, Shandong University, Jinan, Shandong, China
| | - Hengchao Zhu
- Department of Biostatistics, School of Public Health, Yale University, New Haven, CT, United States
| | - Meng Zhao
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Zhongshang Yuan
- Department of Biostatistics, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Institute for Medical Dataology, Shandong University, Jinan, Shandong, China
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Velliou M, Sanidas E, Zografou A, Papadopoulos D, Dalianis N, Barbetseas J. Antihypertensive Drugs and Risk of Bone Fractures. Drugs Aging 2022; 39:551-557. [PMID: 35754069 DOI: 10.1007/s40266-022-00955-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2022] [Indexed: 11/28/2022]
Abstract
Antihypertensive drugs are among the most documented regimens worldwide with an overall survival and cardioprotective benefit. However, there is evidence that they cause symptoms of orthostatic hypotension (i.e., dizziness and syncope) placing patients at risk for falls and fall-related injuries such as bone fractures. Moreover, it seems that they might impact bone metabolism and architecture impairing bone health. The aim of this review was to summarize the accumulative literature exploring any potential association between several antihypertensive medications including diuretics, renin-angiotensin-aldosterone system inhibitors, beta-blockers and calcium channel blockers and the risk of fractures.
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Affiliation(s)
- Maria Velliou
- Emergency Medicine Department, Attikon University Hospital, Athens, Greece.
| | - Elias Sanidas
- Department of Cardiology, LAIKO General Hospital, Athens, Greece
| | - Aliki Zografou
- Department of Internal Medicine, Sismanogleio General Hospital, Athens, Greece
| | | | | | - John Barbetseas
- Department of Cardiology, LAIKO General Hospital, Athens, Greece
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Zhang S, Li H, Tang H, Huo S, Nie B, Qu X, Yue B. Felodipine blocks osteoclast differentiation and ameliorates estrogen-dependent bone loss in mice by modulating p38 signaling pathway. Exp Cell Res 2020; 387:111800. [DOI: 10.1016/j.yexcr.2019.111800] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 10/16/2019] [Accepted: 12/20/2019] [Indexed: 10/25/2022]
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Juraschek SP, Simpson LM, Davis BR, Beach JL, Ishak A, Mukamal KJ. Effects of Antihypertensive Class on Falls, Syncope, and Orthostatic Hypotension in Older Adults: The ALLHAT Trial. Hypertension 2019; 74:1033-1040. [PMID: 31476905 PMCID: PMC6739183 DOI: 10.1161/hypertensionaha.119.13445] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Accepted: 07/25/2019] [Indexed: 11/16/2022]
Abstract
Hypertension treatment has been implicated in falls, syncope, and orthostatic hypotension (OH), common events among older adults. Whether the choice of antihypertensive agent influences the risk of falls, syncope, and OH in older adults is unknown. ALLHAT (Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial) was a randomized clinical trial that compared the effects of hypertension first-step therapy on fatal coronary heart disease or nonfatal myocardial infarction (1994-2002). In a subpopulation of ALLHAT participants, age 65 years and older, we determined the relative risk of falls, syncope, OH, or a composite based on Centers for Medicare and Medicaid Services and Veterans Affairs claims, using Cox regression. We also determined the adjusted association of self-reported atenolol use (ascertained at the 1-month visit for indications other than hypertension) on outcomes in Cox models adjusted for age, sex, and race. Among 23 964 participants (mean age 69.8±6.8 years, 45% women, 31% non-Hispanic black) followed for a mean of 4.9 years, we identified 267 falls, 755 syncopes, 249 OH, and 1157 composite claims. There were no significant differences in the cumulative incidences of events across randomized drug assignments. However, amlodipine increased risk of falls during the first year of follow-up compared with chlorthalidone (hazard ratio [95% CI]: 2.24 [1.06-4.74]; P=0.03) or lisinopril (hazard ratio [95% CI]: 2.61 [1.03-6.72]; P=0.04). Atenolol use (N=928) was not associated with any of the 3 individual or composite claims. In older adults, the choice of antihypertensive agent had no effect on risk of fall, syncope, or OH long-term. However, amlodipine increased risk of falls within 1 year of initiation. These short-term findings require confirmation. Clinical Trial Registration- URL: http://www.clinicaltrials.gov. Unique identifier: NCT00000542.
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Affiliation(s)
- Stephen P Juraschek
- Beth Israel Deaconess Medical Center, Department of Medicine, Harvard Medical School, Boston, MA
| | - Lara M Simpson
- University of Texas, Health Science Center at Houston, Department of Biostatistics, Houston, TX
| | - Barry R Davis
- University of Texas, Health Science Center at Houston, Department of Biostatistics, Houston, TX
| | - Jennifer L Beach
- Beth Israel Deaconess Medical Center, Department of Medicine, Harvard Medical School, Boston, MA
| | - Anthony Ishak
- Healthcare Associates, Beth Israel Deaconess Medical Center
| | - Kenneth J Mukamal
- Beth Israel Deaconess Medical Center, Department of Medicine, Harvard Medical School, Boston, MA
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The risks of sarcopenia, falls and fractures in patients with type 2 diabetes mellitus. Maturitas 2017; 109:70-77. [PMID: 29452785 DOI: 10.1016/j.maturitas.2017.12.011] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/08/2017] [Accepted: 12/12/2017] [Indexed: 12/12/2022]
Abstract
Fracture risk in patients with type 2 diabetes mellitus (T2DM) is increased, and the mechanism is multifactorial. Recent research on T2DM-induced bone fragility shows that bone mineral density (BMD) is often normal or even slightly elevated. However, bone turnover may be decreased and bone material and microstructural properties are altered, especially when microvascular complications are present. Besides bone fragility, extra-skeletal factors leading to an increased propensity to experience falls may also contribute to the increased fracture risk in T2DM, such as peripheral neuropathy, retinopathy and diabetes medication (e.g. insulin use). One of the probable additional contributing factors to the increased fall and fracture risks in T2DM is sarcopenia, the age-related decline in skeletal muscle mass, quality and function. Although the association between sarcopenia, fall risk, and fracture risk has been studied in the general population, few studies have examined the association between T2DM and muscle tissue and the risks of falls and fractures. This narrative review provides an overview of the literature regarding the multifactorial mechanisms leading to increased fracture risk in patients with T2DM, with a focus on sarcopenia and falls.
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Abstract
PURPOSE OF REVIEW This review summarizes the impact of thiazide diuretics on fracture risk in older hypertensive individuals. RECENT FINDINGS We performed a post hoc evaluation of the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial, a randomized, prospective, double blind hypertension study comparing a thiazide-like diuretic, a calcium channel blocker (CCB), and an angiotensin converting enzyme inhibitor (ACEi). We examined the risk of hip and pelvic fractures during the in-trial period (n = 22,180 participants; mean 4.9-year follow-up) and during the post-trial period using national data bases (n = 16,622 participants) (mean total follow-up 7.8 years). During the trial, participants randomized to the thiazide diuretic versus the CCB or the ACEi had a lower risk of fracture on adjusted analyses (HR 0.79 [95% CI, 0.63, 0.98], p = 0.04). Risk of fracture was significantly lower in participants randomized to the diuretic as compared to those randomized to the ACEi (HR 0.75 [95% CI, 0.58, 0.98]; p = 0.04), but not significantly different compared to the CCB (HR 0.87 [95% CI, 0.71, 1.09]; p = 0.17). Over the entire trial and post-trial period of follow-up, the cumulative incidence of fractures was non-significantly lower in participants assigned to the diuretic vs assignment to the ACEi or the CCB (HR 0.87 [0.74-1.03], p = 0.10) and versus each medication separately. These findings establish a benefit for thiazide diuretic treatment for the prevention of fractures versus other commonly used antihypertensive medications using prospective, randomized data. The effects of the thiazide diuretic on bone appear to be long lasting.
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Chen HY, Ma KY, Hsieh PL, Liou YS, Jong GP. Long-term Effects of Antihypertensive Drug Use and New-onset Osteoporotic Fracture in Elderly Patients: A Population-based Longitudinal Cohort Study. Chin Med J (Engl) 2017; 129:2907-2912. [PMID: 27958221 PMCID: PMC5198524 DOI: 10.4103/0366-6999.195472] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Background: Antihypertensive drugs have been linked to new-onset osteoporotic fracture (NOF), and different classes of antihypertensive drugs may alter the risk for the development of NOF; however, the classic effect of different antihypertensive drugs on the development of NOF in the elderly has not been well studied during long-term follow-up. Methods: In this study, we investigated the association between different classic antihypertensives and the development of NOF in the elderly. This was a longitudinal cohort study performed using data from claim forms submitted to the Taiwan Bureau of National Health Insurance in Central Taiwan, China including case patients with NOF aged 65–80 years from January 2002 to December 2012 and non-NOF controls. Prescriptions for antihypertensives before the index date were retrieved from a prescription database. We estimated the hazard ratios (HRs) of NOF associated with antihypertensive use. Non-NOF controls served as the reference group. Results: A total of 128 patients with NOF were identified from among 1144 patients with hypertension during the study period. The risk of NOF after adjusting age, sex, comorbidities, and concurrent medications was higher among the users of angiotensin-converting enzyme (ACE) inhibitors (HR, 1.64; 95% confidence interval [CI], 1.01–2.66) than among nonusers. Patients who took calcium channel blockers (CCBs) (HR, 0.70; 95% CI, 0.49–0.99) were at a lower risk of developing NOF than nonusers. Loop diuretics, thiazide diuretics, angiotensin receptor blocker, beta-blocker, and alpha-blocker were not associated with the risk of NOF. Conclusions: Elderly with hypertension who take CCBs are at a lower risk of NOF and that the use of ACE inhibitors was associated with a significantly increased risk of developing NOF during the 11-year follow-up.
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Affiliation(s)
- Hung-Yi Chen
- Institute of Pharmacy, China Medical University, Taichung, Taiwan 40402; Department of Pharmacy, China Medical University Beigang Hospital, Yunlin County, Taiwan 65152, China
| | - Kai-Yan Ma
- Department of Endocrinology and Metabolism, Shangluo Central Hospital, Shangluo, Shaanxi 726000, China
| | - Pei-Ling Hsieh
- Institute of Pharmacy, China Medical University, Taichung, Taiwan 40402, China
| | - Yi-Sheng Liou
- Department of Family Medicine and Geriatrics, School of Public Health, National Defense Medical Center, Taichung Veteran General Hospital, Taichung, Taiwan 40705, China
| | - Gwo-Ping Jong
- Division of Internal Cardiology, Chung Shan Medical University Hospital, Chung Shan Medical University, Taichung, Taiwan 40201; Department of Basic Science, Central Taiwan University of Science and Technology, Taichung, Taiwan 40601, China
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Zhang Y, Wang L, Liu JX, Wang XL, Shi Q, Wang YJ. Involvement of skeletal renin-angiotensin system and kallikrein-kinin system in bone deteriorations of type 1 diabetic mice with estrogen deficiency. J Diabetes Complications 2016; 30:1419-1425. [PMID: 27614725 DOI: 10.1016/j.jdiacomp.2016.08.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2016] [Revised: 07/21/2016] [Accepted: 08/19/2016] [Indexed: 01/06/2023]
Abstract
AIMS This study was aimed to investigate the involvement of skeletal renin-angiotensin system (RAS) and kallikrein-kinin system (KKS) in bone deteriorations of mice in response to the combination treatment of estrogen deficiency and hyperglycemia. METHODS The female C57BL/6J mice were sham-operated or ovariectomized with vehicle or streptozotocin (STZ) treatment. Two weeks later, the biochemistries in serum and urine were determined by standard colorimetric methods or ELISA. The H&E and TRAP staining were performed at the tibial proximal metaphysis. The polymerase chain reaction and immunoblotting were applied for molecular analysis on mRNA and protein expression. RESULTS The mice after treating with ovariectomy and STZ showed the decreased level of serum Ca and the increased level of serum PTH and urine Ca. The H&E staining showed trabecular bone abnormalities as demonstrated by the loss, disconnection and separation of trabecular bone network as well as the loss of chondrocytes and appearance of chondrocyte cluster at growth plate of tibia. The significant increase of matured osteoclast number was shown in group with double treatments. The combination treatment significantly up-regulated mRNA expression of AGT, ACE, renin receptor, MMP-9 and CAII, and protein expression of renin, and decreased the ratio of OPG/RANKL and the expression of bradykinin receptors in bone tissue. CONCLUSION Ovariectomy combined with STZ induction produced more detrimental actions on bone through the activation of local bone RAS and the down-regulation of bradykinin receptors, as compared to the respective single treatment.
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Affiliation(s)
- Yan Zhang
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China.
| | - Liang Wang
- Department of Orthopaedics, The 309th hospital of Chinese People's Liberation Army, Beijing 100091, China
| | - Jin-Xin Liu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Xin-Luan Wang
- Translational Medicine R&D Center, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Qi Shi
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Yong-Jun Wang
- Spine Disease Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China; School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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Butt DA, Alharty R, Leu R, Cheung AM. Hypertension, Antihypertensive Drugs and the Risk of Fractures. Clin Rev Bone Miner Metab 2015. [DOI: 10.1007/s12018-015-9191-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Fraser LA, Shariff SZ, McArthur E, Naylor KL, Garg AX. Calcium channel blocker-clarithromycin drug interaction did not increase the risk of nonvertebral fracture: a population-based study. Ann Pharmacother 2015; 49:185-8. [PMID: 25429094 DOI: 10.1177/1060028014561474] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Calcium channel blocker (CCB) use in elderly patients lowers blood pressure and can increase the risk of falls and fractures. These drugs are metabolized by the cytochrome P450 3A4 (CYP3A4) enzyme, and blood concentrations of these drugs may rise to harmful levels when CYP3A4 activity is inhibited. Clarithromycin is an inhibitor of CYP3A4, whereas azithromycin is not. OBJECTIVE In older patients taking a CCB, we investigated whether coprescription of clarithromycin, compared with azithromycin, was associated with a higher risk of fracture. METHODS This was a population-level retrospective cohort study in Ontario, Canada, from 2003 to 2012 of older adults (mean age = 76 years) newly prescribed clarithromycin (n = 96 226) or azithromycin (n = 94 083) while taking a CCB (amlodipine, nifedipine, felodipine, verapamil, diltiazem). The outcome assessed within 30 days of a new coprescription was a nonvertebral fracture. RESULTS There were no differences in measured baseline characteristics between the clarithromycin and azithromycin groups. Amlodipine was the most commonly prescribed CCB (more than 50% of patients). Coprescribing clarithromycin, versus azithromycin, was not associated with a higher 30-day risk of nonvertebral fracture (124 patients of 96 226 taking clarithromycin [0.13%] vs 98 patients of 94 083 taking azithromycin [0.10%]; odds ratio = 1.23 [95% CI = 0.94-1.60]; P = 0.134). CONCLUSIONS Among older adults taking a CCB, concurrent use of clarithromycin, compared with azithromycin, was not associated with a statistically significantly greater 30-day risk of nonvertebral fracture.
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Affiliation(s)
| | | | - Eric McArthur
- Institute for Clinical Evaluative Sciences, London, ON, Canada
| | | | - Amit X Garg
- Western University, London, ON, Canada Institute for Clinical Evaluative Sciences, London, ON, Canada
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Ishijima M, Hirota M, Park W, Honda MJ, Tsukimura N, Isokawa K, Ishigami T, Ogawa T. Osteogenic cell sheets reinforced with photofunctionalized micro-thin titanium. J Biomater Appl 2015; 29:1372-84. [PMID: 25604095 DOI: 10.1177/0885328214567693] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Cell sheet technology has been used to deliver cells in single-sheet form with an intact extracellular matrix for soft tissue repair and regeneration. Here, we hypothesized that titanium-reinforced cell sheets could be constructed for bone tissue engineering and regeneration. Fifty-µm-thick titanium plates containing apertures were prepared and roughened by acid etching, some of which were photofunctionalized with 12 min of UV light treatment. Cell sheets were prepared by culturing rat calvarial periosteum-derived cells on temperature-responsive culture dishes and attached to titanium plates. Titanium-reinforced osteogenic cell sheet construction was conditional on various technical and material factors: cell sheets needed to be double-sided and sandwich the titanium plate, and the titanium plates needed to be micro thin and contain apertures to allow close apposition of the two cell sheets. Critically, titanium plates needed to be UV-photofunctionalized to ensure adherence and retention of cell sheets. Single-sided cell sheets or double-sided cell sheets on as-made titanium contracted and deformed within 4 days of incubation. Titanium-reinforced cell sheets on photofunctionalized titanium were structurally stable at least up to 14 days, developed the expected osteogenic phenotypes (ALP production and mineralization), and maintained structural integrity without functional degradation. Successful construction of titanium-reinforced osteogenic cell sheets was associated with increased cell attachment, retention, and expression of vinculin, an adhesion protein by photofunctionalization. This study identified the technical and material requirements for constructing titanium-reinforced osteogenic cell sheets. Future in vivo studies are warranted to test these titanium-reinforced cell sheets as stably transplantable, mechanically durable, and shape controllable osteogenic devices.
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Affiliation(s)
- Manabu Ishijima
- Laboratory of Bone and Implant Sciences (LBIS), The Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, Biomaterials and Hospital Dentistry, UCLA School of Dentistry, Los Angeles, CA, USA Department of Partial Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - Makoto Hirota
- Laboratory of Bone and Implant Sciences (LBIS), The Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, Biomaterials and Hospital Dentistry, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Wonhee Park
- Laboratory of Bone and Implant Sciences (LBIS), The Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, Biomaterials and Hospital Dentistry, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Masaki J Honda
- Department of Anatomy, Nihon University School of Dentistry, Tokyo, Japan
| | - Naoki Tsukimura
- Laboratory of Bone and Implant Sciences (LBIS), The Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, Biomaterials and Hospital Dentistry, UCLA School of Dentistry, Los Angeles, CA, USA Department of Partial Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - Keitaro Isokawa
- Department of Anatomy, Nihon University School of Dentistry, Tokyo, Japan
| | - Tomohiko Ishigami
- Department of Partial Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - Takahiro Ogawa
- Laboratory of Bone and Implant Sciences (LBIS), The Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, Biomaterials and Hospital Dentistry, UCLA School of Dentistry, Los Angeles, CA, USA
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Ağaçayak KS, Güven S, Koparal M, Güneş N, Atalay Y, Atılgan S. Long-term effects of antihypertensive medications on bone mineral density in men older than 55 years. Clin Interv Aging 2014; 9:509-13. [PMID: 24741298 PMCID: PMC3970919 DOI: 10.2147/cia.s60669] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Introduction In this study, we investigated the effects of long-term antihypertensive treatment with calcium channel blockers or beta blockers on the bone mineral density of maxilla, as determined by cone-beam computed tomography (CBCT). Material and methods This retrospective study was conducted on CBCT images of men older than 55 years who had received different dental indications. Data were grouped into three categories according to the antihypertensive medication history of the patients: group A included patients who had been taking beta-blocker treatment for more than 5 years, group B included patients who had been taking calcium channel blocker treatment for more than 5 years, and the control group included patients who had never used any hypertensive medications before. Results Statistically significant differences were observed between the beta blocker and calcium channel blocker groups. Conclusion In hypertension treatment, beta blockers may be preferred to calcium channel blockers in patients at high risk for osteoporosis and bone resorption.
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Affiliation(s)
| | - Sedat Güven
- Department of Prosthodontics, School of Dentistry, University of Dicle, Diyarbakır, Turkey
| | | | - Nedim Güneş
- Department of Oral and Maxillofacial Surgery, Turkey
| | - Yusuf Atalay
- Department of Oral and Maxillofacial Surgery, School of Dentistry, University of Afyon Kocatepe, Afyon, Turkey
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16
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Morley JE. Frailty, Falls, and Fractures. J Am Med Dir Assoc 2013; 14:149-51. [DOI: 10.1016/j.jamda.2012.12.009] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Accepted: 12/18/2012] [Indexed: 12/24/2022]
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