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Suki SZ, Zuhdi ASM, Yahya A, Adnan WAHWM, Zaharan NL. Prescribing Trends of Renin-Angiotensin System Inhibitors and Mortality among Acute Coronary Syndrome Patients: Insights from the Malaysian National Cardiovascular Disease Registry. SAUDI JOURNAL OF MEDICINE & MEDICAL SCIENCES 2024; 12:145-152. [PMID: 38764563 PMCID: PMC11098274 DOI: 10.4103/sjmms.sjmms_422_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 01/10/2024] [Accepted: 02/07/2024] [Indexed: 05/21/2024]
Abstract
Background Despite guideline recommendations, suboptimal prescription rates of angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) have been observed in patients with acute coronary syndrome. Objective This study aimed to examine the temporal trends, variations, and mortality outcomes among acute coronary syndrome patients prescribed ACEIs/ARBs in the multi-ethnic population of Malaysia. Methodology This retrospective study utilized data from the Malaysian National Cardiovascular Disease-Acute Coronary Syndrome registry, encompassing consecutive patient records from 2008 to 2017 (N = 60,854). Ten-year temporal trends of on-discharge ACEIs/ARBs prescription were examined. Demographics, clinical characteristics and 1-year all-cause mortality outcomes were compared between patients prescribed and not prescribed ACEIs/ARBs. Results The 10-year prescription rate of on-discharge ACEIs/ARBs was 52.8% (n = 32,140), with a significant decline over the years [linear trend test, P = 0.008; SD = 0.03; SE = 0.001; 95% CI = 0.55-0.64]. Patients aged ≥65 years (aOR = 0.79; 95% CI = 0.73-0.86) were less likely to be prescribed ACEIs/ARBs than those aged <65 years. In addition, patients with comorbid diabetes mellitus (DM) (aOR = 0.85; 95% CI = 0.79-0.92) and chronic kidney disease (CKD) (aOR = 0.34; 95% CI = 0.30-0.40) were significantly less likely to receive ACEIs/ARBs. IPW-adjusted survival analysis revealed a 38% lower 1-year all-cause mortality rate in patients prescribed on-discharge ACEIs/ARBs (HR = 0.62; 95% CI = 0.56-0.69; P < 0.001). Conclusion Acute coronary syndrome patients with concomitant DM and CKD were less likely to receive on-discharge ACEIs/ARBs in Malaysia. Suboptimal prescription rates of ACEIs/ARBs persisted over the 10-year period, despite improved 1-year survival in ACS patients prescribed ACEIs/ARBs.
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Affiliation(s)
- Siti Zaleha Suki
- Department of Pharmacology, Faculty of Dentistry, Universiti Teknologi MARA, Selangor, Malaysia
- Centre of Preclinical Science Studies, Faculty of Dentistry, Universiti Teknologi MARA, Selangor, Malaysia
| | | | - Abqariyah Yahya
- Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Selangor, Malaysia
| | - Wan Ahmad Hafiz Wan Md Adnan
- Department of Medicine, Division of Nephrology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Nur Lisa Zaharan
- Department of Pharmacology, Faculty of Dentistry, Universiti Teknologi MARA, Selangor, Malaysia
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Zhang L, Wang Y, Schuemie MJ, Blei DM, Hripcsak G. Adjusting for indirectly measured confounding using large-scale propensity score. J Biomed Inform 2022; 134:104204. [PMID: 36108816 DOI: 10.1016/j.jbi.2022.104204] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/16/2022] [Accepted: 09/06/2022] [Indexed: 11/15/2022]
Abstract
Confounding remains one of the major challenges to causal inference with observational data. This problem is paramount in medicine, where we would like to answer causal questions from large observational datasets like electronic health records (EHRs) and administrative claims. Modern medical data typically contain tens of thousands of covariates. Such a large set carries hope that many of the confounders are directly measured, and further hope that others are indirectly measured through their correlation with measured covariates. How can we exploit these large sets of covariates for causal inference? To help answer this question, this paper examines the performance of the large-scale propensity score (LSPS) approach on causal analysis of medical data. We demonstrate that LSPS may adjust for indirectly measured confounders by including tens of thousands of covariates that may be correlated with them. We present conditions under which LSPS removes bias due to indirectly measured confounders, and we show that LSPS may avoid bias when inadvertently adjusting for variables (like colliders) that otherwise can induce bias. We demonstrate the performance of LSPS with both simulated medical data and real medical data.
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Affiliation(s)
- Linying Zhang
- Department of Biomedical Informatics, Columbia University Irving Medical Center, 622 W. 168th Street, PH20, New York, 10032, NY, USA
| | - Yixin Wang
- Department of Statistics, University of Michigan, 1085 S University Ave, Ann Arbor, 48109, MI, USA
| | - Martijn J Schuemie
- Janssen Research and Development, 1125 Trenton-Harbourton Road, Titusville, 08560, NJ, USA
| | - David M Blei
- Department of Statistics, Columbia University, 1255 Amsterdam Ave, New York, 10027, NY, USA; Department of Computer Science, Columbia University, 500 West 120 Street, Room 450 MC0401, New York, 10027, NY, USA
| | - George Hripcsak
- Department of Biomedical Informatics, Columbia University Irving Medical Center, 622 W. 168th Street, PH20, New York, 10032, NY, USA; Medical Informatics Services, New York-Presbyterian Hospital, 622 W. 168th Street, PH20, New York, 10032, NY, USA.
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Chronic Use of Angiotensin Converting Enzyme Inhibitors and/or Angiotensin Receptor Blockers is Not Associated With Stroke After Noncardiac Surgery: A Retrospective Cohort Analysis. J Neurosurg Anesthesiol 2021; 34:401-406. [PMID: 34569768 DOI: 10.1097/ana.0000000000000777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 03/30/2021] [Indexed: 11/26/2022]
Abstract
Background Inhibition of the renin-angiotensin-aldosterone pathways reduces blood pressure and proliferation of vascular smooth muscles and may therefore reduce the risk of stroke. We tested the hypothesis that patients taking angiotensin converting enzyme inhibitors (ACEIs) or angiotensin receptor blockers (ARBs) for at least 6 months have fewer postoperative strokes after non-neurological, noncarotid, and noncardiac surgeries than those who do not. Methods We considered adults who had noncardiac surgery at the Cleveland Clinic between January 2005 and December 2017. After excluding neurological and carotid surgeries, we assessed the confounder-adjusted association between chronic use of ACEIs/ARBs (during 6 preoperative months) and the incidence of postoperative stroke using logistic regression models. Results Postoperative strokes occurred in 0.26% (27/10,449) of patients who were chronic ACEI/ARBs users and in 0.18% (112/62,771) of those who were not. There was no significant association between ACEI/ARB use and postoperative stroke, with an adjusted odds ratio of 1.15 (95% confidence interval [CI]: 0.91-1.44; P=0.24). Secondarily, there was no association between exposures to ACEIs and postoperative stroke, versus no such exposure (adjusted odds ratio 0.88, 95% CI: 0.65-1.19; P=0.33). Similarly, there was no association between exposure to ARBs and postoperative stroke, versus no such exposure (adjusted odds ratio 1.05, 95% CI: 0.75-1.48; P=0.75). Conclusion We did not detect an effect of chronic ACEI/ARB use on postoperative strokes in patients who had non-neurological, noncarotid and noncardiac surgery; however, power was extremely limited.
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Peeters LEJ, Kester MP, Feyz L, Van Den Bemt PMLA, Koch BCP, Van Gelder T, Versmissen J. Pharmacokinetic and pharmacodynamic considerations in the treatment of the elderly patient with hypertension. Expert Opin Drug Metab Toxicol 2019; 15:287-297. [PMID: 30880496 DOI: 10.1080/17425255.2019.1588249] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Hypertension is an important risk factor for developing cardiovascular diseases. It is more prevalent in the elderly population. Recently updated American and European guidelines recommend treating every elderly patient with hypertension independent of age, starting with a low dose of antihypertensive drugs. However, little information is available on the optimal dosages of antihypertensive drugs to treat the elderly safely. Areas covered: Comorbidities, co-medication and frailty status can alter the clinical outcome of drug treatment and can cause adverse events in the elderly. Also, due to pharmacokinetic and pharmacodynamic changes the interpatient variability when using antihypertensive drugs is considerable. In this review, an overview is given on the extent to which the previously mentioned parameters are changed in elderly patients and what this means for the exposure to antihypertensive medication. Also, recommendations on the starting dose of the most frequently used antihypertensive drugs are given based on literature data. Expert opinion: We believe that recommendations on starting dosages followed by a stepwise increase of dosages will lead to improved blood pressure control and less adverse drug reactions in the elderly patient. This may improve adherence to antihypertensive therapy.
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Affiliation(s)
- L E J Peeters
- a Department of Hospital Pharmacy , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands.,b Department of Internal Medicine , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - M P Kester
- b Department of Internal Medicine , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - L Feyz
- c Department of Cardiology , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - P M L A Van Den Bemt
- a Department of Hospital Pharmacy , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - B C P Koch
- a Department of Hospital Pharmacy , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - T Van Gelder
- a Department of Hospital Pharmacy , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands.,b Department of Internal Medicine , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - J Versmissen
- b Department of Internal Medicine , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
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Ishimaru M, Ono S, Matsui H, Yasunaga H. Association between perioperative oral care and postoperative pneumonia after cancer resection: conventional versus high-dimensional propensity score matching analysis. Clin Oral Investig 2019; 23:3581-3588. [PMID: 30623308 DOI: 10.1007/s00784-018-2783-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 12/18/2018] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Perioperative oral care was reported to decrease postoperative pneumonia after cancer resections. However, the effect remains controversial because previous studies were limited due to their small sample sizes and lack of strict control for patient backgrounds. The present study evaluated the association between perioperative oral care and postoperative pneumonia using high-dimensional propensity score (hd-PS) matching to adjust for confounding factors. MATERIALS AND METHODS Using a Japanese health insurance claims database, we identified patients who underwent surgical treatment of cancer from April 2014 to March 2015. To compare outcomes (postoperative pneumonia and procedure-related complications) between patients with and without perioperative oral care, we performed hd-PS matching and conventional PS matching and chi-square test. RESULTS We identified 621 patients with oral care and 4374 patients without oral care. The occurrences of postoperative pneumonia were not significantly different between patients with and without oral care in the unmatched (2.9% vs. 3.2%), conventional PS-matched (2.9% vs. 2.9%), or hd-PS-matched (2.9% vs. 3.3%) groups. The occurrences of procedure-related complication were not significantly different between patients with and without oral care in the unmatched (23.8% vs. 24.5%), conventional PS-matched (23.8% vs. 26.4%), or hd-PS-matched (24.4% vs. 27.7%) groups. CONCLUSIONS There was no significant difference in postoperative pneumonia or procedure-related complications between patients with and without perioperative oral care. CLINICAL RELEVANCE While maintaining optimal oral care in cancer patients is an important goal, the present study revealed no significant difference in postoperative outcomes. Further investigations would be needed to determine the effect of perioperative oral care.
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Affiliation(s)
- Miho Ishimaru
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
| | - Sachiko Ono
- Department of Biostatistics & Bioinformatics, The University of Tokyo, Tokyo, Japan
| | - Hiroki Matsui
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Hideo Yasunaga
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
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Risk factors for upper gastrointestinal bleeding among aspirin users: An old issue with new findings from a population-based cohort study. J Formos Med Assoc 2018; 118:939-944. [PMID: 30366771 DOI: 10.1016/j.jfma.2018.10.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 09/16/2018] [Accepted: 10/08/2018] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND/PURPOSE We aimed to identify the risk factors of first-time occurrence of non-variceal upper gastrointestinal bleeding (UGIB) among aspirin users after adjusting for confounding factors like age, gender, underlying co-morbidities, and medications. METHODS Using the National Health Insurance Research Database of Taiwan and matching age, gender, underlying co-morbidities and enrollment time by propensity score, 11105 aspirin users and 11105 controls were identified for comparison from a cohort dataset of 1,000,000 randomly sampled subjects. Cox proportional hazard regression models were used to identify independent risk factors for first-time occurrence of non-variceal UGIB in the study cohort and in the aspirin users after adjusting for age, gender, underlying co-morbidities, and medications (e.g., non-steroidal anti-inflammatory drugs [NSAIDs], cyclooxygenase-2 [COX-2] inhibitors, steroids, thienopyridines, selective serotonin reuptake inhibitors, warfarin, and dipyridamole). RESULTS By Cox proportional hazard regression analysis, aspirin use increased the risk of first-time occurrence of UGIB (hazard ratio [HR]: 1.48; 95% confidence interval [CI]: 1.28-1.72). Age, male gender, Helicobacter pylori (H. pylori)infection, diabetes, chronic kidney disease (CKD), cirrhosis, history of uncomplicated peptic ulcer disease (PUD), and use of NSAIDs, COX-2 inhibitors, steroids, and thienopyridines were independent risk factors for UGIB among aspirin users. CONCLUSION In addition to age, male gender, H. pylori infection, and concomitant use of NSAIDs, COX-2 inhibitors, steroids, and thienopyridines, underlying co-morbidities including diabetes, CKD, cirrhosis, history of PUD are also important risk factors for first-time occurrence of non-variceal UGIB in aspirin users.
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Young SH, Peng YL, Lin XH, Chen YT, Luo JC, Wang YP, Hou MC, Lee FY. Cholecystectomy Reduces Recurrent Pancreatitis and Improves Survival After Endoscopic Sphincterotomy. J Gastrointest Surg 2017; 21:294-301. [PMID: 27796634 DOI: 10.1007/s11605-016-3284-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2016] [Accepted: 09/17/2016] [Indexed: 01/31/2023]
Abstract
BACKGROUND The aim of this study was to assess whether cholecystectomy can decrease the recurrent pancreatitis in the elderly patients who received endoscopic retrograde cholangiopancreatography (ERCP) with endoscopic sphincterotomy (EST) and successful clearance of bile duct (BD) stones after gallstone-related acute pancreatitis. METHODS We analyzed data from National Health Insurance Research Database of Taiwan. Elderly patients (age ≧70 years old) who had gallstone-related acute pancreatitis and underwent successful EST with BD stones clearance were eligible for enrollment. This nationwide, population-based, propensity score (PS)-matched cohort study involved two cohorts: (1) patients who underwent cholecystectomy after ERCP with BD stone clearance as study group and (2) those who adopted wait-and-see strategy (without cholecystectomy) after ERCP with BD stone clearance as control group. The primary and secondary endpoints were recurrent acute pancreatitis and all-cause mortality, respectively. RESULTS During the study period, a total of 670 elderly patients (male 291, female 379) with a mean age of 79.1 was enrolled for analysis after PS matching. The incidence rate of recurrent acute pancreatitis was 12.39 per 1000 person-years in the cholecystectomy cohort and 23.94 per 1000 person-years in the PS-matched control cohort. The risk of recurrent acute pancreatitis was significantly lower in the cholecystectomy cohort (HR, 0.56; 95 % confidence interval [CI], 0.34-0.91; P = 0.021). The HR for all-cause mortality among the cholecystectomy cohort was 0.75 (95 % CI, 0.59-0.95; P = 0.016) compared with the control cohort. CONCLUSIONS Cholecystectomy decreased the subsequent recurrent acute pancreatitis and the all-cause mortality in elderly patients with EST and clearance of BD stones after gallstone-related acute pancreatitis.
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Affiliation(s)
- Shih-Hao Young
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Department of Medicine, Division of Gastroenterology and Hepatology, Taipei Veterans General Hospital, 201, Shih-Pai Road, Section 2, Taipei, 11217, Taiwan
| | - Yen-Ling Peng
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Department of Medicine, Division of Gastroenterology and Hepatology, Taipei Veterans General Hospital, 201, Shih-Pai Road, Section 2, Taipei, 11217, Taiwan
| | - Xi-Hsuan Lin
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Department of Medicine, Division of Gastroenterology and Hepatology, Taipei Veterans General Hospital, 201, Shih-Pai Road, Section 2, Taipei, 11217, Taiwan
| | - Yung-Tai Chen
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan. .,Department of Medicine, Taipei City Hospital Heping Fuyou Branch, 33, Zhonghua Road, Section 2, Taipei, Taiwan.
| | - Jiing-Chyuan Luo
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan. .,Department of Medicine, Division of Gastroenterology and Hepatology, Taipei Veterans General Hospital, 201, Shih-Pai Road, Section 2, Taipei, 11217, Taiwan. .,Endoscopic Center for Diagnosis and Therapy, Taipei Veterans General Hospital, Taipei, Taiwan.
| | - Yen-Po Wang
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Endoscopic Center for Diagnosis and Therapy, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ming-Chih Hou
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Department of Medicine, Division of Gastroenterology and Hepatology, Taipei Veterans General Hospital, 201, Shih-Pai Road, Section 2, Taipei, 11217, Taiwan.,Endoscopic Center for Diagnosis and Therapy, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Fa-Yauh Lee
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Department of Medicine, Division of Gastroenterology and Hepatology, Taipei Veterans General Hospital, 201, Shih-Pai Road, Section 2, Taipei, 11217, Taiwan
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Endometriosis Might Be Inversely Associated with Developing Chronic Kidney Disease: A Population-Based Cohort Study in Taiwan. Int J Mol Sci 2016; 17:ijms17071079. [PMID: 27399682 PMCID: PMC4964455 DOI: 10.3390/ijms17071079] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 06/20/2016] [Accepted: 06/28/2016] [Indexed: 01/26/2023] Open
Abstract
This study was conducted to determine the risk of chronic kidney disease (CKD) among women with endometriosis in Taiwan. We conducted a retrospective cohort study using the National Health Insurance Research Database of Taiwan. A total of 27,973 women with a diagnosis of endometriosis and 27,973 multivariable-matched controls (1:1) from 2000 to 2010 were selected. Cox regression and computed hazard ratios (HR) with 95% confidence intervals (95% CI) were used to determine the risk of CKD among women with endometriosis. The incidence rates (IR, per 10,000 person-years) of CKD among women with and without endometriosis were 4.64 and 7.01, respectively, with a significantly decreased risk of CKD (crude HR 0.65, 95% CI 0.53–0.81; adjusted HR 0.69, 95% CI 0.56–0.86) among women with endometriosis. The IR of CKD progressively increased with age, but the trend of lower CKD risk among women with endometriosis was consistent. However, the lower risk of CKD in women with endometriosis was no longer statistically significant after adjusting for menopausal status (adjusted HR 0.85, 95% CI 0.65–1.10). The results suggest that endometriosis is inversely associated with CKD, but this effect was mediated by menopause. The possible mechanism of this association is worthy of further evaluation.
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