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Taylor D, Poulou S, Clark I. The cardiovascular safety of tricyclic antidepressants in overdose and in clinical use. Ther Adv Psychopharmacol 2024; 14:20451253241243297. [PMID: 38827015 PMCID: PMC11141239 DOI: 10.1177/20451253241243297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 03/07/2024] [Indexed: 06/04/2024] Open
Abstract
Tricyclic antidepressants (TCAs) remain widely prescribed for depression and many other conditions. There may be important differences between individual TCA in regard to their overdose toxicity and their cardiac toxicity in clinical use. We conducted a systematic review to compare the toxicity of individual TCA in overdose and the risk of serious adverse cardiac events occurring with therapeutic doses. We used the fatal toxicity index (FTI) and case fatality ratio as markers of fatality in overdose, and hazard ratios or odds ratios for the risk of cardiovascular adverse events during normal clinical use. In all, 30 reports of mortality in overdose and 14 observational studies assessing the risk of cardiovascular adverse events in clinical use were included. FTI values were of the same order of magnitude (101-102) for all TCAs except lofepramine. Desipramine appears to be somewhat more likely than other TCAs to lead to death in overdose. Amitriptyline, clomipramine, dothiepin/dosulepin, doxepin, trimipramine and imipramine showed broadly similar toxicity and were usually reported to be less toxic than desipramine. Data on nortriptyline were contradictory. Lofepramine had the lowest risk of death in overdose. The rank order of overdose toxicity was broadly consistent between different FTI definitions and between markers used. With respect to the risk of cardiovascular events at clinically relevant exposure, amitriptyline, nortriptyline and lofepramine were associated with a greater risk of in-use cardiotoxicity. All measures of overdose toxicity were subject to external influences and confounding. The continued use of TCAs in depression and other conditions should be minimized when considering their undoubted toxicity in overdose and possible toxicity in normal clinical use.
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Affiliation(s)
- David Taylor
- Pharmacy Department, Maudsley Hospital, South London and Maudsley NHS Foundation Trust, Denmark Hill, London SE5 8AZ, UK
- Institute of Pharmaceutical Sciences, King’s College London, London, UK
| | - Sofia Poulou
- Institute of Pharmaceutical Sciences, King’s College London, London, UK
| | - Ivana Clark
- Institute of Pharmaceutical Sciences, King’s College London, London, UK
- Pharmacy Department, Maudsley Hospital, London, UK
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Koh Y, Kwok C, Voskoboinik A, Kalman JM, Wong M. Serotonin antidepressants and atrial fibrillation burden from cardiac implantable electronic devices. J Arrhythm 2023; 39:876-883. [PMID: 38045466 PMCID: PMC10692859 DOI: 10.1002/joa3.12948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 09/16/2023] [Accepted: 10/17/2023] [Indexed: 12/05/2023] Open
Abstract
Objective Depression and anxiety show a bidirectional relationship with atrial fibrillation (AF). Antidepressant use is associated with a reduction in the incidence of AF. However, no studies have examined the relationship between antidepressant use and AF burden (time in AF). This retrospective cohort study examined cardiac implantable device-detected AF episodes and their relationship with antidepressant use, among other treatment factors. Methods Consecutive patients from the Western Health Cardiology Department attending pacemaker checks between 2015 and 2021 were included. Patients with permanent AF were excluded, yielding 285 patients with no or paroxysmal AF, with a total of 772 patient encounters. Generalized estimating equations were used to model two processes: binary AF (present/absent) and the number of days in AF for patients with AF. Results Each yearly increase with age was associated with an increase in the odds of developing AF (OR 1.03 [1.00-1.05], p = .027). Male gender conferred a reduction in AF incidence (OR 0.30 [0.13-0.68], p = .004). Digoxin use was associated with incident AF (OR 4.43 [1.07-18.4], p = .04). Sotalol and heart-failure beta blocker use were associated with a decrease in AF burden (IRR 0.30 [0.12-0.78], p = .013 and 0.33 [0.14-0.81], p = .015). Selective serotonin reuptake inhibitor antidepressant use was associated with reduced AF burden (IRR 0.27 [0.09-0.81], p = .019), as was selective serotonin/noradrenaline reuptake inhibitor use (IRR 0.07 [0.03-0.15], p < .001). Conclusions Older age, female gender and digoxin are associated with a higher odds of developing incident AF. Sotalol, heart failure beta blockers and serotonin-based antidepressants are associated with reduced AF burden. Further prospective study into the effects of antidepressants on atrial arrhythmias is warranted.
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Affiliation(s)
- Youlin Koh
- Department of CardiologyWestern HealthSt AlbansVictoriaAustralia
- Department of CardiologyRoyal Melbourne HospitalMelbourneVictoriaAustralia
| | - Cecilia Kwok
- Department of CardiologyWestern HealthSt AlbansVictoriaAustralia
| | - Aleksandr Voskoboinik
- Department of CardiologyWestern HealthSt AlbansVictoriaAustralia
- Department of CardiologyAlfred HealthMelbourneVictoriaAustralia
| | - Jonathan M. Kalman
- Department of CardiologyRoyal Melbourne HospitalMelbourneVictoriaAustralia
| | - Michael Wong
- Department of CardiologyWestern HealthSt AlbansVictoriaAustralia
- Department of CardiologyRoyal Melbourne HospitalMelbourneVictoriaAustralia
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Balcioglu YH, Gokcay H, Kirlioglu Balcioglu SS, Solmaz M. Increased Dispersion of Ventricular Repolarization as an Arrhythmic Risk Marker in Drug-free Patients With Major Depressive Disorder: A Preliminary Comparative Study. J Psychiatr Pract 2023; 29:282-290. [PMID: 37449826 DOI: 10.1097/pra.0000000000000721] [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] [Indexed: 07/18/2023]
Abstract
OBJECTIVE Drug-free patients with major depressive disorder (MDD) are understudied in terms of increased risk for arrhythmias. In this study, we compared changes in corrected QT interval (QTc), QTc dispersion (QTcd), Tpeak-Tend (Tp-e), Tp-e/QT ratio, corrected JT interval (JTc), and JTc dispersion (JTcd), which are considered to be among the risk factors for the emergence of ventricular arrhythmias in patients with MDD. METHODS The study involved 50 patients with MDD who had been free of psychotropic medications for at least 1 month and 52 age-matched and sex-matched healthy controls. Illness-related characteristics, including duration of illness and Beck Depression Inventory scores, were recorded. Electrocardiography recordings made under a standardized procedure were performed for all participants, and arrhythmia risk markers were calculated from the electrocardiograms. RESULTS The patient group had significantly higher QTcd, JTc, and JTcd values compared with the controls. Among electrocardiogram markers, only Tp-e/QTc was significantly and inversely correlated with the duration of illness, while none of the markers was associated with Beck Depression Inventory scores. CONCLUSIONS Alterations in electrocardiogram-derived markers of ventricular arrhythmia, which can be obtained easily and inexpensively, can be evaluated for the prediction and prevention of severe cardiac conditions in patients with MDD and considered in selecting the safest antidepressant options available.
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Muacevic A, Adler JR, Khan KI, Al Shouli R, Allakky A, Ferguson AA, Khan AI, Abuzainah B, Mohammed L. Statins and Antidepressants: A Comprehensive Review and Clinical Outlook of the Risks and Benefits of Co-prescription (2022). Cureus 2022; 14:e32331. [PMID: 36632257 PMCID: PMC9827898 DOI: 10.7759/cureus.32331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 12/08/2022] [Indexed: 12/13/2022] Open
Abstract
Antidepressants are the most prescribed medications in the United States, and the most frequently prescribed antidepressants are selective serotonin reuptake inhibitors (SSRIs) followed by serotonin-norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), monoamine oxidase inhibitors (MAOIs), serotonin antagonist and reuptake inhibitors (SARIs), and norepinephrine-dopamine reuptake inhibitors (NDRI). On the other hand, 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors, also known as statins, are the most prescribed lipid-lowering medications, and because the majority of patients with cardiovascular disease (CVD) have depressive symptoms, it is essential to understand the possible drug-drug interactions these two classes of medications can have, their potential synergistic mechanisms, and possible risks. In our research, we tried to understand the facts and uncover any missing links regarding the potential risks and benefits of statins and antidepressant co-prescription in the current clinical scenario. We reviewed all the relevant information from inception up to October 2022 regarding the antidepressant and statin polypharmacy. The databases we used were PubMed and PubMed Central, and the 11 keywords were "statins," "SSRI," "SNRI," "selective serotonin reuptake inhibitors," "serotonin-norepinephrine reuptake inhibitors," "antidepressants," "HMG-CoA reductase inhibitors," "tricyclic antidepressants," "monoamine oxidase inhibitors," "serotonin antagonist and reuptake inhibitors," and "norepinephrine-dopamine reuptake inhibitors." We carefully screened each of the relevant articles, including animal and human studies. In our study, we concluded that co-prescription of statins and SSRIs/SNRIs was generally safe and should be encouraged due to the potential synergistic nature of their effects in patients with CVD and major depression, and caution is advised with all other classes of antidepressants. We would like to encourage the undertaking of large-scale observational studies and proactive postmarketing surveillance to improve our knowledge regarding this topic considering the immense clinical importance it holds by directly and indirectly affecting half the population worldwide.
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Gutlapalli SD, Lavu VK, Mohamed RA, Huang R, Potla S, Bhalla S, Al Qabandi Y, Nandula SA, Boddepalli CS, Hamid P. The Risk of Fatal Arrhythmias in Post-Myocardial Infarction Depression in Association With Venlafaxine. Cureus 2022; 14:e29107. [PMID: 36258960 PMCID: PMC9572810 DOI: 10.7759/cureus.29107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 09/13/2022] [Indexed: 11/18/2022] Open
Abstract
Venlafaxine is a second line anti-depressant and the most commonly used in the treatment of selective serotonin reuptake inhibitor nonresponders in major depression; due to its effects on the noradrenergic and serotonergic systems as a serotonin and norepinephrine reuptake inhibitor, there has been considerable apprehension regarding its use in patients with cardiovascular diseases, particularly post-myocardial infarction depression, some of the feared adverse effects include QT prolongation, arrhythmias including torsades de pointes and sudden cardiac death. We tried to resolve the facts regarding the risks associated with venlafaxine use in cardiac patients. We have reviewed all the relevant information up to May 2022 regarding the risks of venlafaxine use in cardiovascular disease, particularly with a focus on post-myocardial infarction depression, and gathered around 350 articles in our research and narrowed it down to 49 articles. The database used was PubMed and the keywords used were venlafaxine, arrhythmia, major depression, post-myocardial infarction, and ventricular tachycardia. We carefully screened all relevant articles and found articles supporting and refuting the effects of venlafaxine in increasing cardiovascular morbidity and mortality. We have concluded that there is a significant variability due to confounding factors affecting individual cases. Overall there is no increased arrhythmia risk in comparison with other anti-depressants except in high-risk cases such as with pre-existing cardiovascular disease, certain genotypes, and other co-morbidities. Any patient with a high risk of arrhythmias due to any etiology should receive a screening electrocardiogram before venlafaxine prescription for baseline QT interval and periodically while on therapy to check for changes. We encourage further research, including randomized clinical trials and post-marketing surveillance regarding the use of venlafaxine in high-risk cases such as patients with multiple co-morbidities, elderly patients, or patients with certain genotypes.
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Yoo JI, Jang SY, Cha Y, Gwak JH, Kim JT, Park CH, Choy WS. Association between antidepressants, benzodiazepine and all-cause mortality in elderly hip fracture: A Korean nationwide cohort study. J Orthop Sci 2022; 27:1089-1095. [PMID: 34391618 DOI: 10.1016/j.jos.2021.07.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 06/22/2021] [Accepted: 07/02/2021] [Indexed: 11/16/2022]
Abstract
BACKGROUND The purpose of this study was to analyze the association between the preoperative and postoperative use of antidepressant and benzodiazepine and all-cause mortality in elderly hip fracture patients. METHODS Patients who underwent surgical treatment for hip fracture over 65 years old were classified into Past-user, Current-user, and Non-users for each period according to use history for antidepressants or benzodiazepines. And, for the subgroup analysis, patients were classified by presence of past history for psychiatric medication. A multivariable-adjusted Cox proportional hazards model was used to investigate the effects of antidepressants and benzodiazepines on all-cause mortality. RESULTS A total of 15,576 patients were included in this study. Past users of antidepressants and benzodiazepines were 5699 (36.59%) patients and 11,319 (72.67%) patients, respectively. Current users of antidepressants and benzodiazepines were 2888 (18.54%) patients and 6287 (40.36%) patients, respectively. There were no statistically significant differences in the adjusted hazard for death compared to the non-users for both the past and the current users (p > 0.05). In the subgroup analysis, there were 12,502 once-users and 3074 never-users according to psychiatric medication. Current uses of antidepressants and benzodiazepine in the once-user did not increase adjusted hazard for death compared to the non-users (p>0.05). However, current uses of antidepressants by never-users increased the adjusted hazard for death compared to the non-user (adjusted hazard ratio, 1.31; 95% CI, 1.08-1.59; p = 0.007). CONCLUSIONS No association was observed between the uses of antidepressants and benzodiazepines after hip fracture and mortality risk in elderly patients who received psychiatric medication before hip fracture. However, the use of these medications was associated with increased all-cause mortality risk in patients who had no history of psychiatric medication before hip fracture. LEVEL OF EVIDENCE III, retrospective cohort study.
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Affiliation(s)
- Jun-Il Yoo
- Department of Orthopaedic Surgery, Gyeongsang National University Hospital, Jinju, South Korea
| | - Suk-Yong Jang
- Department of Preventive Medicine, Eulji University College of Medicine, Daejeon, South Korea
| | - Yonghan Cha
- Department of Orthopaedic Surgery, Eulji University Hospital, Daejeon, South Korea.
| | - Joon-Hyeok Gwak
- Department of Orthopaedic Surgery, Eulji University Hospital, Daejeon, South Korea
| | - Jung-Taek Kim
- Department of Orthopaedic Surgery, Ajou University Medical Center, Suwon, South Korea
| | - Chan Ho Park
- Department of Orthopaedic Surgery, Yeungnam University Medical Center, Daegu, South Korea
| | - Won-Sik Choy
- Department of Orthopaedic Surgery, Eulji University Hospital, Daejeon, South Korea
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Cao Y, Zhou M, Guo H, Zhu W. Associations of Antidepressants With Atrial Fibrillation and Ventricular Arrhythmias: A Systematic Review and Meta-Analysis. Front Cardiovasc Med 2022; 9:840452. [PMID: 35402536 PMCID: PMC8990315 DOI: 10.3389/fcvm.2022.840452] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 02/18/2022] [Indexed: 11/28/2022] Open
Abstract
Background Several published studies have disagreements on whether the use of antidepressants is associated with increased risk of arrhythmias. In this study, we performed this meta-analysis to assess the association of antidepressants with cardiac arrhythmias in patients who require antidepressants. Methods The PubMed and Embase databases were systematically searched until December 2021 to find studies that investigated the association between antidepressant use and cardiac arrhythmias. Studies that assessed the effects of any antidepressant on arrhythmias in patients who require antidepressants compared with those who require no antidepressants were included. We used a random-effects model to pool the adjusted risk ratios (RRs) and 95% confidence intervals (CIs). The stability of the results was examined by omitting an individual study at a time. Results A total of 3,396 studies were screened and 6 studies with 2,626,746 participants were finally included in this meta-analysis. When compared with no antidepressants, the use of antidepressants was significantly associated with an increased risk of atrial fibrillation (RR = 1.37, 95% CI: 1.16–1.61). However, there was no difference in the risk of ventricular arrhythmias or sudden cardiac death (RR = 1.33, 95% CI: 0.88–2.01) between the two studied groups. In the subgroup analysis, tricyclic antidepressants (RR = 1.12, 95% CI: 0.89–1.41), selective serotonin reuptake inhibitors (RR = 1.46, 95% CI: 0.63–3.38), and selective serotonin reuptake inhibitors (RR = 0.99, 95% CI: 0.97–1.01) did not increase the risk of ventricular arrhythmias and/or sudden cardiac death. Conclusion Recently published data suggested that the use of antidepressants did not increase the risk of ventricular arrhythmias or sudden cardiac death. Antidepressants were associated with an increased risk of atrial fibrillation but that still needs further confirmation.
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Affiliation(s)
- Yalin Cao
- Department of Cardiology, Guizhou Provincial People's Hospital, Guiyang, China
| | - Mingyu Zhou
- Second Clinical Medical College, Nanchang University, Nanchang, China
| | - Huaiyun Guo
- College of Pharmacy, Nanchang University, Nanchang, China
| | - Wengen Zhu
- Department of Cardiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- *Correspondence: Wengen Zhu
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Orayj K. Cardiovascular Events Associated with Antipsychotics in Newly Diagnosed Parkinson's Disease Patients: A Propensity Score Matched Cohort Study. Int J Gen Med 2021; 14:2975-2987. [PMID: 34234527 PMCID: PMC8254603 DOI: 10.2147/ijgm.s319600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 06/08/2021] [Indexed: 12/31/2022] Open
Abstract
PURPOSE Observational studies have examined the association between antipsychotics and ischemic heart disease (IHD) in general populations, but results did not take into account other comorbid diseases, such as Parkinson's disease (PD). This study investigates the one-year risk of IHD, all cardiovascular events, and all-cause mortality among newly diagnosed PD patients who used antipsychotics compared to non-users. MATERIALS AND METHODS This study included individuals aged 40 years or older with a first definitive PD diagnosis Read Code in the Secure Anonymised Information Linkage (SAIL) databank who had been initiated on any PD medication between 2000 and 2016. Antipsychotic users were matched 1:1 with non-users by a propensity score model to control the confounding effects of patients' demographics, social deprivation status, comorbidities, and medication history. Cox regression was performed to calculate the hazard ratios (HR) and 95% CIs for the association between antipsychotics and study outcomes. RESULTS A total of 1837 participants were included in the analysis. Users of first-generation antipsychotics (FGA) were significantly more likely to develop IHD compared to non-users, with an HR of 2.60 (95% CI 1.103-6.167). Among the FGAs, haloperidol had the highest likelihood of IHD developing, with an HR of 3.01 (95% CI 1.038-8.729). Any use of antipsychotics, regardless of whether they were FGA or second-generation antipsychotics (SGA), was linked to all-cause mortality, with an HR of 4.201 (95% CI 3.272-5.394). When subdividing antipsychotics into FGAs and SGAs, mortality was more likely in FGA users, with an HR of 7.557 (95% CI 5.633-10.139). Mortality also occurred in SGA users, but with a lower HR of 3.278 (95% CI 2.509-4.282). CONCLUSION FGAs were associated with an increased risk of IHD and all-cause mortality in newly diagnosed PD patients with psychosis. This finding emphasizes the need to use antipsychotics with caution in PD patients with psychosis.
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Affiliation(s)
- Khalid Orayj
- School of Pharmacy, King Khalid University, Abha, Saudi Arabia
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Orayj K. Impact of Antidepressants on Cardiac Events and All-Cause Mortality in Parkinson's Disease: A National Data-Linkage Study. Neuropsychiatr Dis Treat 2021; 17:2499-2510. [PMID: 34354357 PMCID: PMC8331107 DOI: 10.2147/ndt.s325521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 07/27/2021] [Indexed: 12/03/2022] Open
Abstract
PURPOSE This study investigated the 1-year risk of ischemic heart disease (IHD), all cardiovascular events, and all-cause mortality among newly diagnosed Parkinson's disease (PD) patients who used antidepressants compared to those who did not. PATIENTS AND METHODS Patients with PD aged 40 years or older were identified using data from 2000 through 2016 held within the Welsh Secure Anonymized Information Linkage (SAIL) databank. Antidepressant users were propensity-score matched 1:1 with non-users, adjusting for patients' demographics, socioeconomic status, and multiple comorbidities. Cox proportional hazard regression analyses were performed to calculate the hazard ratios (HRs) and 95% confidence intervals (CIs) for the association between the antidepressants and the study outcomes. The follow-up period was 1 year after the initial prescription of antidepressants. RESULTS The study group comprised a total of 3364 participants, with numbers split equally between the antidepressant-user and non-user groups, based on the propensity score-matching process. Overall, the propensity score-adjusted model showed that antidepressant usage in PD patients was not significantly associated with the risk of IHD (HR = 1.05; 95% CI 0.63-1.75) or all cardiovascular events (HR = 1.01; 95% CI 0.71-1.45) compared to non-users. The propensity score-adjusted model also showed that the use of any antidepressant, regardless of its category, was not statistically significantly associated with all-cause mortality (HR = 0.81; 95% CI 0.65-1.02). However, this association reached statistical significance in the multivariate adjusted model (HR = 0.67; 95% CI 0.54-0.84). CONCLUSION There was no evidence that antidepressant use was associated with an increased risk of IHD or all cardiovascular events in newly diagnosed PD patients who suffered from depression. Furthermore, antidepressant use might reduce the mortality rate in PD patients during the first year after initiation.
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Affiliation(s)
- Khalid Orayj
- Clinical Pharmacy Department, School of Pharmacy, King Khalid University, Abha, Saudi Arabia
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Kaya FB, Kuas C, Ozakin E, Karakilic ME, Kaya S. Bradyarrhythmia due to mirtazapine overdose: A case of serious adverse event in a suicidal patient. Indian J Pharmacol 2020; 52:520-523. [PMID: 33666194 PMCID: PMC8092174 DOI: 10.4103/ijp.ijp_82_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
There are a limited number of studies on postoverdose clinical findings of mirtazapine in the literature. Our case presented an unlikely junctional rhythm, which we have not seen in the previous studies, in a patient who had bradycardia and hypotension following mirtazapine intake. A 37-year old male was admitted to the emergency department (ED) after his suicide attempt with 300 mg PO of mirtazapine tablets. He took the drug 2 h prior to his ED visit. He did not have any complaints after the mirtazapine intake. His complete physical examination and electrocardiography (ECG) revealed no pathological findings. He was observed in the ED. The results were in the normal range in his blood test and he has 0 mg/dl of blood ethanol. He experienced dizziness after 5 h and 30 min. The blood pressure was 60/30 mmHg. The heart rate was 34 beats/min. The simultaneous ECG showed junctional bradycardia. 0.5 mg atropine IV was given two times at intervals. Norepinephrine infusion was initiated after normal saline therapy. Forty-five minutes later, he did not have any clinically significant complaint. There are no pathological findings in his follow-up ECG and physical examination. He was discharged of his own accord 10 h after his ED admission. His initial mirtazapine level was 145 ng/ml when he came to the ED. Mirtazapine was known to have a safe cardiac profile both for regular dose and overdose. However, physicians should consider that it might induce a life-threatening bradyarrhythmia.
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Affiliation(s)
- Filiz Baloglu Kaya
- Department of Emergency Medicine, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Caglar Kuas
- Department of Emergency Medicine, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Engin Ozakin
- Department of Emergency Medicine, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Muhammed Evvah Karakilic
- Department of Emergency Medicine, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Seyhmus Kaya
- Department of Emergency Medicine, Eskisehir Sehir Hospital, Eskisehir, Turkey
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Azizi M, Elyasi F, Niksolat Roodposhti F. Bradycardia caused by interaction of venlafaxine and cyclosporine: A case report. CASPIAN JOURNAL OF INTERNAL MEDICINE 2019; 10:463-467. [PMID: 31814947 PMCID: PMC6856918 DOI: 10.22088/cjim.10.4.463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Background: Selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) are prescribed widely for the treatment of depression, anxiety disorders and other psychiatric disorders. Although antidepressants are considered as a safety drug category but unexpected cardiovascular events have been reported as the most serious complications. The aim of this study was to introduce a case presentation on bradycardia due to the drug interference of venlafaxine and cyclosporine. Case presentation: The patient was a 38-year old woman diagnosed with systemic lupus erythematosus 5 years ago, who was admitted to a general educational hospital in northern Iran due to intensified rheumatologic symptoms and complaining about abdominal pain. Cyclosporine tab were administered to the patient, 50 mg twice daily. Two weeks after the administration of cyclosporine, the level of blood cyclosporine was checked. The patient became bradycardic after starting a single dose of venlafaxine (heart rate 52 ppm). Cardiac assessment showed no reason for bradycardia and it subsided after a drop of venlafaxine. Conclusion: As a result of the potential adverse drug interactions between cyclosporine and antidepressants such as venlafaxine, physicians should be aware of the possibility of bradycardia in the simultaneous prescription of these drugs in cases.
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Affiliation(s)
- Marzieh Azizi
- Sexual and Reproductive Health Research Center, Nasibeh Nursing and Midwifery Faculty, Mazandaran University of Medical Sciences, Sari, Iran
| | - Forouzan Elyasi
- Department of Psychiatry, Psychiatry and Behavioral Sciences Research Center and addiction Institute, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Fatemeh Niksolat Roodposhti
- Department of Internal Medicine, Orthopedic Research Center, Mazandaran University of Medical Sciences, Sari, Iran
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Hu MX, Milaneschi Y, Lamers F, Nolte IM, Snieder H, Dolan CV, Penninx BWJH, de Geus EJC. The association of depression and anxiety with cardiac autonomic activity: The role of confounding effects of antidepressants. Depress Anxiety 2019; 36:1163-1172. [PMID: 31622521 PMCID: PMC6916630 DOI: 10.1002/da.22966] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/22/2019] [Accepted: 10/02/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Depression and anxiety may unfavorably impact on cardiac autonomic dysregulation. However, it is unclear whether this relationship results from a causal effect or may be attributable to confounding factors. We tested the relationship between depression and anxiety with heart rate (HR) and heart rate variability (HRV) across a 9-year follow-up (FU) period and investigated possible confounding by antidepressant use and genetic pleiotropy. METHODS Data (no. of observations = 6,994, 65% female) were obtained from the longitudinal Netherlands Study of Depression and Anxiety, with repeated waves of data collection of HR, HRV, depression, anxiety, and antidepressant use. Summary statistics from meta-analyses of genome-wide association studies were used to derive polygenic risk scores of depression, HR, and HRV. RESULTS Across the 9-year FU, generalized estimating equations analyses showed that the relationship between cardiac autonomic dysregulation and depression/anxiety rendered nonsignificant after adjusting for antidepressant use. A robust association was found between antidepressant use (especially tricyclic antidepressants, selective serotonin, and noradrenalin reuptake inhibitors) and unfavorable cardiac autonomic activity across all waves. However, no evidence was found for a genetic correlation of depression with HR and HRV, indicating that confounding by genetic pleiotropy is minimal. CONCLUSIONS Our results indicate that the association between depression/anxiety and cardiac autonomic dysregulation does not result from a causal pathway or genetic pleiotropy, and these traits might therefore not be inevitably linked. Previously reported associations were likely confounded by the use of certain classes of antidepressants.
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Affiliation(s)
- Mandy X. Hu
- Department of Psychiatry, Amsterdam Public Health Research Institute, Amsterdam UMCVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Yuri Milaneschi
- Department of Psychiatry, Amsterdam Public Health Research Institute, Amsterdam UMCVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Femke Lamers
- Department of Psychiatry, Amsterdam Public Health Research Institute, Amsterdam UMCVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Ilja M. Nolte
- Department of Epidemiology, Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Harold Snieder
- Department of Epidemiology, Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Conor V. Dolan
- Department of Biological PsychologyVU UniversityAmsterdamThe Netherlands
| | - Brenda W. J. H. Penninx
- Department of Psychiatry, Amsterdam Public Health Research Institute, Amsterdam UMCVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Eco J. C. de Geus
- Department of Biological PsychologyVU UniversityAmsterdamThe Netherlands
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13
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Gerber M, Beck J, Brand S, Cody R, Donath L, Eckert A, Faude O, Fischer X, Hatzinger M, Holsboer-Trachsler E, Imboden C, Lang U, Mans S, Mikoteit T, Oswald A, Pühse U, Rey S, Schreiner AK, Schweinfurth N, Spitzer U, Zahner L. The impact of lifestyle Physical Activity Counselling in IN-PATients with major depressive disorders on physical activity, cardiorespiratory fitness, depression, and cardiovascular health risk markers: study protocol for a randomized controlled trial. Trials 2019; 20:367. [PMID: 31221205 PMCID: PMC6585067 DOI: 10.1186/s13063-019-3468-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 05/24/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Major depressive disorder (MDD) is a widespread and burdensome psychiatric issue. Physical activity counselling may increase lifestyle physical activity and cardiorespiratory fitness in this specific and particularly vulnerable population, which often suffers from both mental and physical health problems. Therefore, this study will examine the impact of a lifestyle physical activity counselling intervention on physical activity, cardiorespiratory fitness, depression, and cardiovascular health risk markers among in-patients diagnosed with MDD compared to controls. Secondary purposes are to examine the acceptability and perceived usefulness of the intervention among these patients, to find out whether the effectiveness of the intervention is moderated by genetic factors, and to compare baseline values with an age- and gender-matched group of healthy controls. METHODS The study is designed as a multi-centric two-arm randomized clinical trial including an intervention group and a placebo control group, allocation concealment, single-blinding, and intention-to-treat analysis. Participants (N = 334) will be continuously recruited from four clinics specialized in the treatment of MDD. The intervention builds on a standardized, theory-based, low-cost lifestyle physical activity counselling programme, which was specifically designed for an in-patient rehabilitation setting. The placebo control condition consists of general instructions about health-enhancing physical activity. Data assessments will take place 2-3 weeks after admission to in-patient treatment (baseline), and 6 weeks (post) and 12 months (follow-up) after discharge from in-patient treatment. The primary outcome is objectively assessed physical activity at follow-up. DISCUSSION Because regular physical activity has proven to be an important predictor of long-term response and remission in patients with major depression, we believe that our planned study may lay important groundwork by showing how individually tailored lifestyle physical activity counselling can be integrated into given clinical structures. Improving physical activity may have important implications for tackling metabolic and cardiovascular disease and increasing mood and cognitive functioning in this at-risk population, hence limiting the future burden of multiple chronic conditions. Increased physical activity may also reduce the likelihood of future depressive episodes. By moving towards the primary prevention of chronic physical conditions, much can be done to enhance the quality and quantity of life of people with MDD. TRIAL REGISTRATION ISRCTN, ISRCTN10469580 . Registered on 3 September 2018.
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Affiliation(s)
| | | | - Serge Brand
- University of Basel, Basel, Switzerland
- University of Basel, Adult Psychiatric Clinics (UPKE), Basel, Switzerland
- Kermanshah University of Medical Sciences (KUMS), Kermanshah, Iran
| | | | - Lars Donath
- German Sport University Cologne, Cologne, Germany
| | - Anne Eckert
- University of Basel, Adult Psychiatric Clinics (UPKE), Basel, Switzerland
| | | | | | | | | | | | - Undine Lang
- University of Basel, Adult Psychiatric Clinics (UPKE), Basel, Switzerland
| | - Sarah Mans
- Private Clinic Wyss, Münchenbuchsee, Switzerland
| | | | - Anja Oswald
- Psychiatric Clinic Sonnenhalde, Riehen, Switzerland
| | - Uwe Pühse
- University of Basel, Basel, Switzerland
| | - Sofia Rey
- University of Basel, Basel, Switzerland
| | | | - Nina Schweinfurth
- University of Basel, Adult Psychiatric Clinics (UPKE), Basel, Switzerland
| | - Ursula Spitzer
- University of Basel, Adult Psychiatric Clinics (UPKE), Basel, Switzerland
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Lin YT, Lu TS, Hansen RA, Wang CC. Selective Serotonin Reuptake Inhibitor Use and Risk of Arrhythmia: A Nationwide, Population-Based Cohort Study. Clin Ther 2019; 41:1128-1138.e8. [PMID: 31178037 DOI: 10.1016/j.clinthera.2019.04.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 04/10/2019] [Accepted: 04/11/2019] [Indexed: 10/26/2022]
Abstract
PURPOSE This study compares the risks of arrhythmia among patients with depression receiving selective serotonin reuptake inhibitors (SSRIs) and those receiving other classes of antidepressants and among patients with depression receiving citalopram-escitalopram and those receiving other SSRIs. METHODS This retrospective cohort study used data from the 2000-2011 National Health Insurance Research Database in Taiwan. Patients with depression who were new antidepressant users were included in the study sample. Propensity score matching was used to balance the covariates between the comparison groups. Crude incidence rates were generated by Poisson regressions, and Cox proportional hazards regression models were used to assess the rates of arrhythmia among SSRI users and nonusers of SSRI antidepressants as well as between citalopram-escitalopram users and users of other SSRIs. FINDINGS Neither SSRI (hazard ratio [HR] = 0.95; 95% CI, 0.83-1.08) nor citalopram-escitalopram (HR = 1.20; 95% CI, 0.95-1.51) exposure was associated with a risk of arrhythmia compared with other, newer non-SSRI antidepressants or noncitalopram SSRIs. An increase in mortality was, however, observed among citalopram-escitalopram users (HR = 1.21; 95% CI, 1.08-1.31). IMPLICATIONS Citalopram, escitalopram, and other SSRIs were not associated with an elevated risk of arrhythmia compared with each other or with non-SSRI antidepressants. Nevertheless, citalopram and escitalopram were associated with an increase in mortality risk compared with other SSRIs and deserve further investigation.
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Affiliation(s)
- Yi-Ting Lin
- Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan
| | - Tsui-Shan Lu
- Department of Mathematics, National Taiwan Normal University, Taipei, Taiwan
| | | | - Chi-Chuan Wang
- School of Pharmacy, National Taiwan University, Taipei, Taiwan; Graduate Institute of Clinical Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Pharmacy, National Taiwan University Hospital, Taipei, Taiwan.
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15
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Paneta M, Waring WS. Literature review of the evidence regarding intravenous lipid administration in drug-induced cardiotoxicity. Expert Rev Clin Pharmacol 2019; 12:591-602. [PMID: 31106655 DOI: 10.1080/17512433.2019.1621163] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Introduction: Intravenous lipid emulsion (ILE) administration is capable of reversing the acute cardiac and neurological toxicity caused by local anesthetic agents. In recent years, ILE has also been explored as a potential antidote for cardiotoxicity caused by non-anesthetic agents too. Areas covered: The potential mechanisms, safety, and efficacy of this approach are considered. Data were sought from published reports listed in PubMed and EMBASE, and abstracts of meetings of the North American Congress of Clinical Toxicology and European Association of Poisons Centres and Clinical Toxicologists. There were reports involving 298 patients where ILE has been administered for severe drug toxicity. Clinical improvement was observed in 57 of 59 patients with local anesthetic toxicity (96.6%); there were 239 patients where toxicity was due to non-anesthetic agents, and ILE apparently improved clinical outcome in 215 (72.1%). Expert opinion: Response rates were similar between ILE treated toxicity caused by lipid soluble and non-lipid soluble drugs. Potential adverse effects of ILE include interference with laboratory assays, acute pancreatitis, and adult respiratory distress syndrome, although the rate of occurrence is difficult to ascertain.
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Affiliation(s)
- Maria Paneta
- a Acute Medical Unit , York Teaching Hospital NHS Foundation Trust , York , UK
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16
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de Bruin IJA, Klop C, Wyers CE, Overbeek JA, Geusens PPMM, van den Bergh JPW, Driessen JHM, de Vries F. All-cause mortality with current and past use of antidepressants or benzodiazepines after major osteoporotic and hip fracture. Osteoporos Int 2019; 30:573-581. [PMID: 30737577 PMCID: PMC6422967 DOI: 10.1007/s00198-019-04851-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 01/10/2019] [Indexed: 01/22/2023]
Abstract
UNLABELLED In the first year, after an osteoporotic fracture of a hip, forearm, upper arm, or spine, the dispensing rates of antidepressants and benzodiazepines increased significantly. After those fractures, recent and past use of antidepressants and benzodiazepines was associated with increased all-cause mortality; current use was not associated with mortality risk. INTRODUCTION It remains unclear to what extent use of antidepressants and benzodiazepines is associated with mortality risk after a major osteoporotic fracture (MOF). We aimed to study the cumulative use of antidepressants and benzodiazepines during the year after MOF or hip fracture (HF) and whether the use was associated with mortality. METHODS A cohort study was performed within the Dutch PHARMO Database Network including all patients aged 65+ with a first record of MOF (hip, humerus, forearm, and clinical vertebral fracture) between 2002 and 2011. Data were analyzed using Cox regression models, adjusted for comorbidities, and concomitant medication use and broken down to index fracture type. RESULTS A total of 4854 patients sustained a first MOF, of whom 1766 patients sustained a HF. Mean follow-up was 4.6 years, divided in 30-day periods. The cumulative antidepressant and benzodiazepine use during the first year after MOF increased from 10.6 to 14.7% and from 24.0 to 31.4%, respectively. Recent (31-92 days before each follow-up period) and past use (> 92 days before) of antidepressants and benzodiazepines after MOF or HF was associated with an increased all-cause mortality risk but current use (< 30 days before) was not. CONCLUSION There is a considerable increase in dispensing rate of antidepressants and benzodiazepines in the first year after a MOF. Recent and past use of these medications was associated with all-cause mortality. The finding that current use was not associated with mortality should be further explored and may probably be explained by the healthy survivor's bias.
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Affiliation(s)
- I J A de Bruin
- Department of Internal Medicine, VieCuri Medical Center, Venlo, Netherlands
- NUTRIM, Department of Internal Medicine, Maastricht University Medical Center +, Maastricht, Netherlands
| | - C Klop
- Division of Pharmacoepidemiology & Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - C E Wyers
- Department of Internal Medicine, VieCuri Medical Center, Venlo, Netherlands
- NUTRIM, Department of Internal Medicine, Maastricht University Medical Center +, Maastricht, Netherlands
| | - J A Overbeek
- PHARMO Institute for Drug Outcome Research, Utrecht, Netherlands
| | - P P M M Geusens
- Biomedical Research Center, Hasselt University, Diepenbeek, Belgium
- CAPHRI, Department of Internal Medicine, Subdivision Rheumatology, Maastricht University Medical Center +, Maastricht, Netherlands
| | - J P W van den Bergh
- Department of Internal Medicine, VieCuri Medical Center, Venlo, Netherlands
- NUTRIM, Department of Internal Medicine, Maastricht University Medical Center +, Maastricht, Netherlands
- Biomedical Research Center, Hasselt University, Diepenbeek, Belgium
| | - J H M Driessen
- Division of Pharmacoepidemiology & Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
- NUTRIM/CAPHRI, Maastricht University Medical Center +, Maastricht, Netherlands
- Department of Clinical Pharmacy and Toxicology, Maastricht University Medical Center +, P Debyelaan 25, Maastricht, Netherlands
| | - F de Vries
- Division of Pharmacoepidemiology & Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands.
- Department of Clinical Pharmacy and Toxicology, Maastricht University Medical Center +, P Debyelaan 25, Maastricht, Netherlands.
- MRC Lifecourse Epidemiology Unit, Southampton General Hospital, Southampton, UK.
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17
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Ledochowski L, Stark R, Ruedl G, Kopp M. [Physical activity as therapeutic intervention for depression]. DER NERVENARZT 2018; 88:765-778. [PMID: 27679515 DOI: 10.1007/s00115-016-0222-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AIM This article gives a conspectus of the present state of research on the efficiency of exercise as a treatment for patients suffering from depression. METHODS A systematic review of articles published between December 1980 and March 2016 was carried out. The review focused on studies that examined the effects of exercise compared to control conditions in the treatment of depression. Extracted and analyzed information from the articles included details about participants, characteristics of exercise and control conditions, assessments, study design and outcomes. RESULTS A total of 34 of the 48 studies included in the literature search reported a significant reduction of depressive symptoms due to exercise interventions. There was a trend to reduced depressive symptoms following the exercise interventions in five studies. In nine studies no positive impact of exercise on depression and affective well-being could be detected. DISCUSSION This review article shows that physical activity decreases depressive symptoms and increases affective well-being in patients with depressive diseases; therefore, exercise should be recommended as a component of depression treatment within the framework of a multi-dimensional approach.
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Affiliation(s)
- L Ledochowski
- Institut für Sportwissenschaft, Universität Innsbruck, Fürstenweg 185, 6020, Innsbruck, Österreich.
| | - R Stark
- Kepler Universitätsklinikum, Neuromed Campus, Wagner-Jauregg-Weg 15, 4020, Linz, Österreich
| | - G Ruedl
- Institut für Sportwissenschaft, Universität Innsbruck, Fürstenweg 185, 6020, Innsbruck, Österreich
| | - M Kopp
- Institut für Sportwissenschaft, Universität Innsbruck, Fürstenweg 185, 6020, Innsbruck, Österreich
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18
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Aydın M, Yardan T, Baydın A, Genç S. ADORA RISK IDENTIFICATION OF TRICYCLIC ANTIDEPRESANT. KONURALP TIP DERGISI 2018. [DOI: 10.18521/ktd.445529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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19
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Starling AJ. Diagnosis and Management of Headache in Older Adults. Mayo Clin Proc 2018; 93:252-262. [PMID: 29406202 DOI: 10.1016/j.mayocp.2017.12.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 11/07/2017] [Accepted: 12/06/2017] [Indexed: 01/03/2023]
Abstract
Headache is a common, disabling neurologic problem in all age groups, including older adults. In older adults, headache is most likely a primary disorder, such as tension-type headache or migraine; however, there is a higher risk of secondary causes, such as giant cell arteritis or intracranial lesions, than in younger adults. Thus, based on the headache history, clinical examination, and presence of headache red flags, a focused diagnostic evaluation is recommended, ranging from blood tests to neuroimaging, depending on the headache characteristics. Regardless of the primary or secondary headache disorder diagnosis, treatment options may be limited in older patients and may need to be tailored to the presence of comorbid medical conditions. The purpose of this review is to provide an update on the management of headache in older adults, from diagnosis to treatment.
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20
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Wang M, Szepietowska B, Polonsky B, McNitt S, Moss AJ, Zareba W, Auerbach DS. Risk of Cardiac Events Associated With Antidepressant Therapy in Patients With Long QT Syndrome. Am J Cardiol 2018; 121:182-187. [PMID: 29174490 DOI: 10.1016/j.amjcard.2017.10.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 09/26/2017] [Accepted: 10/04/2017] [Indexed: 12/14/2022]
Abstract
Patients with long QT syndrome (LQTS) are at a high risk of cardiac events. Many patients with LQTS are treated with antidepressant drugs (ADs). We investigated the LQTS genotype-specific risk of recurrent cardiac arrhythmic events (CAEs) associated with AD therapy. The study included 59 LQT1 and 72 LQT2 patients from the Rochester-based LQTS Registry with corrected QT (QTc) prolongation and a history of AD therapy. Using multivariate Anderson-Gill models, we estimated the LQTS genotype-specific risk of recurrent CAEs (ventricular tachyarrhythmias, aborted cardiac arrest, or sudden cardiac death) associated with time-dependent ADs. Specifically, we examined the risk associated with all ADs, selective serotonin reuptake inhibitor (SSRI), and ADs classified on the CredibleMeds list (www.CredibleMeds.org) as "Conditional" or "Known risk of Torsades de pointes (TdP)." After adjusting for baseline QTc duration, sex, and time-dependent beta-blocker usage, there was an increased risk of recurrent CAEs associated with ADs in LQT1 patients (hazard ratio = 3.67, 95% confidence interval 1.98-6.82, p < 0.001) but not in LQT2 patients (hazard ratio = 0.89, 95% confidence interval 0.49-1.64, p = 0.716; LQT1 vs LQT2 interaction, p < 0.001). Similarly, LQT1 patients who were on SSRIs or ADs with "Known risk of TdP" had a higher risk of recurrent CAEs than those patients off all ADs, whereas there was no association in LQT2 patients. ADs with "Conditional risk of TdP" were not associated with the risk of recurrent CAEs in any of the groups. In conclusion, the risk of recurrent CAEs associated with time-dependent ADs is higher in LQT1 patients but not in LQT2 patients. Results suggest a LQTS genotype-specific effect of ADs on the risk of arrhythmic events.
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Affiliation(s)
- Meng Wang
- Department of Medicine, Heart Research Follow-up Program, University of Rochester Medical Center, Rochester, New York; Department of Public Health Sciences, University of Rochester Medical Center, Rochester, New York
| | - Barbara Szepietowska
- Department of Medicine, Heart Research Follow-up Program, University of Rochester Medical Center, Rochester, New York
| | - Bronislava Polonsky
- Department of Medicine, Heart Research Follow-up Program, University of Rochester Medical Center, Rochester, New York
| | - Scott McNitt
- Department of Medicine, Heart Research Follow-up Program, University of Rochester Medical Center, Rochester, New York
| | - Arthur J Moss
- Department of Medicine, Heart Research Follow-up Program, University of Rochester Medical Center, Rochester, New York
| | - Wojciech Zareba
- Department of Medicine, Heart Research Follow-up Program, University of Rochester Medical Center, Rochester, New York
| | - David S Auerbach
- Department of Medicine, Aab Cardiovascular Research Institute, University of Rochester Medical Center, Rochester, New York; Department of Pharmacology & Physiology, University of Rochester Medical Center, Rochester, New York.
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21
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Auerbach DS, Biton Y, Polonsky B, McNitt S, Gross RA, Dirksen RT, Moss AJ. Risk of cardiac events in Long QT syndrome patients when taking antiseizure medications. Transl Res 2018; 191:81-92.e7. [PMID: 29121487 PMCID: PMC5733703 DOI: 10.1016/j.trsl.2017.10.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 10/02/2017] [Accepted: 10/07/2017] [Indexed: 12/29/2022]
Abstract
Many antiseizure medications (ASMs) affect ion channel function. We investigated whether ASMs alter the risk of cardiac events in patients with corrected QT (QTc) prolongation. The study included people from the Rochester-based Long QT syndrome (LQTS) Registry with baseline QTc prolongation and history of ASM therapy (n = 296). Using multivariate Anderson-Gill models, we assessed the risk of recurrent cardiac events associated with ASM therapy. We stratified by LQTS genotype and predominant mechanism of ASM action (Na+ channel blocker and gamma-aminobutyric acid modifier.) There was an increased risk of cardiac events when participants with QTc prolongation were taking vs off ASMs (HR 1.65, 95% confidence interval [CI] 1.36-2.00, P < 0.001). There was an increased risk of cardiac events when LQTS2 (HR 1.49, 95% CI 1.03-2.15, P = 0.036) but not LQTS1 participants were taking ASMs (interaction, P = 0.016). Na+ channel blocker ASMs were associated with an increased risk of cardiac events in participants with QTc prolongation, specifically LQTS2, but decreased risk in LQTS1. The increased risk when taking all ASMs and Na+ channel blocker ASMs was attenuated by concurrent beta-adrenergic blocker therapy (interaction, P < 0.001). Gamma-aminobutyric acid modifier ASMs were associated with an increased risk of events in patients not concurrently treated with beta-adrenergic blockers. Female participants were at an increased risk of cardiac events while taking all ASMs and each class of ASMs. Despite no change in overall QTc duration, pharmacogenomic analyses set the stage for future prospective clinical and mechanistic studies to validate that ASMs with predominantly Na+ channel blocking actions are deleterious in LQTS2, but protective in LQTS1.
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Affiliation(s)
- David S Auerbach
- Department of Medicine, Aab Cardiovascular Research Institute, University of Rochester School of Medicine and Dentistry, Rochester, NY; Department of Pharmacology & Physiology, University of Rochester School of Medicine and Dentistry, Rochester, NY.
| | - Yitschak Biton
- Department of Medicine, Heart Research Follow up Program, University of Rochester School of Medicine and Dentistry, Rochester, NY; Department of Cardiology, Massachusetts General Hospital and Harvard Medical School, Boston, Mass
| | - Bronislava Polonsky
- Department of Medicine, Heart Research Follow up Program, University of Rochester School of Medicine and Dentistry, Rochester, NY
| | - Scott McNitt
- Department of Medicine, Heart Research Follow up Program, University of Rochester School of Medicine and Dentistry, Rochester, NY
| | - Robert A Gross
- Department of Pharmacology & Physiology, University of Rochester School of Medicine and Dentistry, Rochester, NY; Department of Neurology, University of Rochester School of Medicine and Dentistry, Rochester, NY
| | - Robert T Dirksen
- Department of Pharmacology & Physiology, University of Rochester School of Medicine and Dentistry, Rochester, NY
| | - Arthur J Moss
- Department of Medicine, Heart Research Follow up Program, University of Rochester School of Medicine and Dentistry, Rochester, NY
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22
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Grace SL, Medina-Inojosa JR, Thomas RJ, Krause H, Douglas KV, Palmer B, Lopez-Jimenez F. Antidepressant Use by Class: Association with Major Adverse Cardiac Events in Patients with Coronary Artery Disease. PSYCHOTHERAPY AND PSYCHOSOMATICS 2018; 87. [PMID: 29533962 PMCID: PMC6010164 DOI: 10.1159/000486794] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND To assess use of antidepressants by class in relation to cardiology practice recommendations, and the association of antidepressant use with the occurrence of major adverse cardiovascular events (MACE) including death. METHODS This is a historical cohort study of all patients who completed cardiac rehabilitation (CR) between 2002 and 2012 in a major CR center. Participants completed the Patient Health Questionnaire (PHQ-9) at the start and end of the program. A linkage system enabled ascertainment of antidepressant use and MACE through 2014. RESULTS There were 1,694 CR participants, 1,266 (74.7%) of whom completed the PHQ-9 after the program. Depressive symptoms decreased significantly from pre- (4.98 ± 5.20) to postprogram (3.57 ± 4.43) (p < 0.001). Overall, 433 (34.2%) participants were on antidepressants, most often selective serotonin reuptake inhibitors (SSRI; n = 299; 23.6%). The proportion of days covered was approximately 70% for all 4 major antidepressant classes; discontinuation rates ranged from 37.3% for tricyclics to 53.2% for serotonin-norepinephrine reuptake inhibitors (SNRI). Antidepressant use was significantly associated with lower depressive symptoms after CR (before, 7.33 ± 5.94 vs. after, 4.69 ± 4.87; p < 0.001). After a median follow-up of 4.7 years, 264 (20.9%) participants had a MACE. After propensity matching based on pre-CR depressive symptoms among other variables, participants taking tricyclics had significantly more MACE than those not taking tricyclics (HR = 2.46; 95% CI 1.37-4.42), as well as those taking atypicals versus not (HR = 1.59; 95% CI 1.05-2.41) and those on SSRI (HR = 1.45; 95% CI 1.07-1.97). There was no increased risk with use of SNRI (HR = 0.89; 95% CI 0.43-1.82). CONCLUSION The use of antidepressants was associated with lower depression, but the use of all antidepressants except SNRI was associated with more adverse events.
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Affiliation(s)
- Sherry L. Grace
- Cardiovascular Prevention and Rehabilitation Program, University Health Network, University of Toronto, 399 Bathurst Street, Toronto, Ontario, Canada, M5T 2S8,School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, Ontario, Canada, M3J 1P3
| | - Jose R. Medina-Inojosa
- Department of Cardiovascular Medicine, Division of Preventive Cardiology, Mayo Clinic, 200 First Street SW, Rochester, Minnesota, 55905, United States
| | - Randal J. Thomas
- Department of Cardiovascular Medicine, Division of Preventive Cardiology, Mayo Clinic, 200 First Street SW, Rochester, Minnesota, 55905, United States
| | - Heather Krause
- Datassist, Centre for Social Innovation, 215 Spadina Avenue, Toronto, Ontario, Canada, M5T2C7
| | - Kristin Vickers Douglas
- Department of Psychology and Psychiatry, Mayo Clinic Mayo Clinic, 200 First Street SW, Rochester, Minnesota, 55905, United States
| | - Brian Palmer
- Department of Psychology and Psychiatry, Mayo Clinic Mayo Clinic, 200 First Street SW, Rochester, Minnesota, 55905, United States
| | - Francisco Lopez-Jimenez
- Department of Cardiovascular Medicine, Division of Preventive Cardiology, Mayo Clinic, 200 First Street SW, Rochester, Minnesota, 55905, United States
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23
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Biffi A, Rea F, Scotti L, Mugelli A, Lucenteforte E, Bettiol A, Chinellato A, Onder G, Vitale C, Agabiti N, Trifirò G, Roberto G, Corrao G. Antidepressants and the risk of arrhythmia in elderly affected by a previous cardiovascular disease: a real-life investigation from Italy. Eur J Clin Pharmacol 2017; 74:119-129. [PMID: 29046942 DOI: 10.1007/s00228-017-2352-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 10/09/2017] [Indexed: 12/18/2022]
Abstract
PURPOSE The study aimed to fill existing knowledge gaps on the safety of antidepressant drugs (ADs) by estimating the risk of hospitalization for arrhythmia associated with use of selective serotonin reuptake inhibitors (SSRIs) and newer atypical ADs (NAAs) among elderly with previous cardiovascular (CV) events. METHODS The cohort was composed by 199,569 individuals aged ≥ 65 years from five Italian healthcare territorial units who were discharged for cardiovascular outcomes in the years 2008-2010. The 17,277 patients who experienced hospital admission for arrhythmia during follow-up were included as cases. Odds of current ADs use among cases (i.e., 14 days before hospital admission) was compared with (i) odds of current use of 1:5 matched controls (between-patients case-control) and with (ii) odds of previous use during 1:5 matched control periods (within-patient case-crossover). The risk of arrhythmia associated with ADs current use was modelled fitting a conditional logistic regression. A set of sensitivity analyses was performed to account for sources of systematic uncertainty. RESULTS Current users of SSRIs and NAAs were at increased risk of arrhythmia with case-control odds ratios (OR) of 1.37 (95% confidence interval, CI 1.18 to 1.58) and 1.41 (1.16 to 1.71) and case-crossover OR of 1.48 (1.20 to 1.81) and 1.72 (1.31 to 2.27). An increased risk of arrhythmia was associated with current use of trazodone (NAA) consistently in case-control and case-crossover designs. CONCLUSIONS Evidence that current use of SSRIs and NAAs is associated to an increased risk of arrhythmia among elderly with CV disease was consistently supplied by two observational approaches.
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Affiliation(s)
- A Biffi
- Laboratory of Healthcare Research & Pharmacoepidemiology, Unit of Biostatistics, Epidemiology and Public Health, Department of Statistics and Quantitative Methods, University of Milano-Bicocca, Milan, Italy.
| | - F Rea
- Laboratory of Healthcare Research & Pharmacoepidemiology, Unit of Biostatistics, Epidemiology and Public Health, Department of Statistics and Quantitative Methods, University of Milano-Bicocca, Milan, Italy
| | - L Scotti
- Laboratory of Healthcare Research & Pharmacoepidemiology, Unit of Biostatistics, Epidemiology and Public Health, Department of Statistics and Quantitative Methods, University of Milano-Bicocca, Milan, Italy
| | - A Mugelli
- Department of Neurosciences, Psychology, Drug Research and Children's Health, University of Florence, Florence, Italy
| | - E Lucenteforte
- Department of Neurosciences, Psychology, Drug Research and Children's Health, University of Florence, Florence, Italy
| | - A Bettiol
- Department of Neurosciences, Psychology, Drug Research and Children's Health, University of Florence, Florence, Italy.,Treviso Local Health Unit, Treviso, Italy
| | | | - G Onder
- Department of Geriatrics, Neurosciences and Orthopaedics, A. Gemelli University Hospital, Università Cattolica del Sacro Cuore, Rome, Italy
| | - C Vitale
- Department of Medical Sciences, IRCCS San Raffaele Pisana, Rome, Italy
| | - N Agabiti
- Department of Epidemiology, Lazio Regional Health Service, Rome, Italy
| | - G Trifirò
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - G Roberto
- Epidemiology Unit, Regional Agency for Healthcare Services of Tuscany, Florence, Italy
| | - G Corrao
- Laboratory of Healthcare Research & Pharmacoepidemiology, Unit of Biostatistics, Epidemiology and Public Health, Department of Statistics and Quantitative Methods, University of Milano-Bicocca, Milan, Italy
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Melada A, Krčmar T, Vidović A. A dose-dependent relationship between quetiapine and QTc interval. Int J Cardiol 2016; 222:893-894. [DOI: 10.1016/j.ijcard.2016.08.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 08/03/2016] [Indexed: 10/21/2022]
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Abstract
Several classes of recreational and prescription drugs have been associated with an increased risk of cardiovascular disease and the occurrence of arrhythmias, which may be involved in sudden deaths in chronic users even at therapeutic doses. The study presented herein focuses on pathological changes involving the heart, which may be caused by selective serotonin reuptake inhibitor use and their possible role in the occurrence of sudden cardiac death. A total of 40 cases were included in the study and were divided evenly into 2 groups: 20 cases of patients treated with selective serotonin reuptake inhibitors and 20 cases of sudden deaths involving patients void of any drug treatment. The first group included 16 patients treated with citalopram and 4 with sertraline. Autopsies, histology, biochemistry, and toxicology were performed in all cases. Pathological changes in selective serotonin reuptake inhibitor users consisted of various degrees of interstitial and perivascular fibrosis as well as a small degree of perineural fibrosis within the myocardium of the left ventricle. Within the limits of the small number of investigated cases, the results of this study seem to confirm former observations on this topic, suggesting that selective serotonin reuptake inhibitors may play a potential, causative role in the pathogenesis of sudden deaths in chronic users even at therapeutic concentrations.
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Increase of Heart Rate and QTc by Amitriptyline, But Not by Venlafaxine, Is Correlated to Serum Concentration. J Clin Psychopharmacol 2015; 35:460-3. [PMID: 26035054 DOI: 10.1097/jcp.0000000000000336] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Electrocardiographic pathologies are a common problem during antidepressant treatment. The authors investigated the association of serum concentrations of antidepressants and heart rate, QT, and QTc. Polymorphisms of NOS1AP (nitric oxide synthase 1 adaptor protein) rs10494366 and rs12143842 as potential influence factors also were considered. In the amitriptyline sample (n = 59), significant Spearman ρ correlations were found between serum concentration and QTc (r = 0.333, P = 0.010), as well as heart rate (r = 0.407, P = 0.001). Patients with a serum concentration greater than the therapeutic range (>200 ng/mL) exhibit significantly higher heart rates (87.0 ± 13.3 vs 80.0 ± 13.9, U test P = 0.011) and higher QTc values (443.8 ± 28.8 vs 427.9 ± 20.6, U test P = 0.022). Excluding the 26 patients with a serum concentration greater than the therapeutic range, patients with rs12143842 risk alleles exhibit higher heart rates and as a trend lower QT intervals with no difference in QTc. In the venlafaxine sample (n = 81), no significant association between serum concentration and heart rate, QT, or QTc was revealed. In summary, the risk for relevant electrocardiographic alterations induced by tricyclic antidepressants, such as amitriptyline, is dependent on serum concentrations. NOS1AP polymorphisms may be a genetic vulnerability factor.
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Abstract
BACKGROUND Painful diabetic peripheral neuropathy impairs quality of life and can be difficult to treat. OBJECTIVE To discuss current treatment recommendations for painful diabetic peripheral neuropathy. STUDY DESIGN Literature review. METHODS Systematic review of the literature discussing treatment of painful diabetic peripheral neuropathy. Existing treatment guidelines were studied and compared. RESULTS Painful diabetic peripheral neuropathy occurs in about one in six people with diabetes. This condition impairs quality of life and increases healthcare costs. Treatment recommendations exist, but individual patient therapy can require a trial-and-error approach. Many treatment options have adjuvant benefits or side effects which should be considered prior to initiating therapy. Often, a combination of treatment modalities with various mechanisms of action is required for adequate pain control. Adequate medication titration and a reasonable trial period should be allowed. CONCLUSION The treatment of painful diabetic peripheral neuropathy can be challenging, but effective management can improve patient's quality of life. CLINICAL RELEVANCE Painful diabetic peripheral neuropathy impairs quality of life and can be difficult to treat. Many treatment options have adjuvant benefits or side effects which should be considered prior to initiating therapy. Often, a combination of treatment modalities with various mechanisms of action is required for adequate pain control.
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Affiliation(s)
- Casandra J Rosenberg
- Department of Anesthesiology, Division of Pain Medicine, Mayo Clinic, Rochester, MN, USA
| | - James C Watson
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
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Donazzolo Y, Latreille M, Caillaud MA, Mocaer E, Seguin L. Evaluation of the Effects of Therapeutic and Supratherapeutic Doses of Agomelatine on the QT/QTc Interval. J Cardiovasc Pharmacol 2014; 64:440-51. [DOI: 10.1097/fjc.0000000000000136] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Mago R, Tripathi N, Andrade C. Cardiovascular adverse effects of newer antidepressants. Expert Rev Neurother 2014; 14:539-51. [DOI: 10.1586/14737175.2014.908709] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Fanoe S, Kristensen D, Fink-Jensen A, Jensen HK, Toft E, Nielsen J, Videbech P, Pehrson S, Bundgaard H. Risk of arrhythmia induced by psychotropic medications: a proposal for clinical management. Eur Heart J 2014; 35:1306-15. [DOI: 10.1093/eurheartj/ehu100] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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Hawkins MA, Callahan CM, Stump TE, Stewart JC. Depressive symptom clusters as predictors of incident coronary artery disease: a 15-year prospective study. Psychosom Med 2014; 76:38-43. [PMID: 24367122 PMCID: PMC3891500 DOI: 10.1097/psy.0000000000000023] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Because it is not known whether particular clusters of depressive symptoms are associated with a greater risk of adverse cardiac outcomes, we compared the utility of four clusters in predicting incident coronary artery disease (CAD) events during a 15-year period in a large cohort of primary care patients 60 years and older. METHODS Participants were 2537 primary care patients 60 years or older who were screened for depression between 1991 and 1993 and had no existing CAD diagnosis. Depressive symptoms cluster scores (depressed affect, somatic symptoms, interpersonal distress, and positive affect) were computed from responses on the Center for Epidemiologic Studies Depression Scale administered at baseline. CAD events, defined as the occurrence of a nonfatal acute myocardial infarction or CAD death during the follow-up period, were identified using electronic medical record and National Death Index data. RESULTS There were 678 CAD events. In separate fully adjusted Cox proportional hazard models (controlling for demographics and cardiovascular risk factors), the depressed affect (hazard ratio [HR] = 1.11, 95% confidence interval [CI] = 1.04-1.20), somatic (HR = 1.17, 95% CI = 1.08-1.26), and positive affect (HR = 0.88, 95% CI = 0.82-0.95) clusters each predicted CAD events. When the depressive symptom clusters were entered simultaneously into the fully adjusted model, however, only the somatic cluster remained predictive of CAD events (HR = 1.13, 95% CI = 1.03-1.23). CONCLUSIONS Our findings suggest that the longitudinal relationship between overall depressive symptom severity and incident CAD events may be driven primarily by the somatic cluster.
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Yekehtaz H, Farokhnia M, Akhondzadeh S. Cardiovascular considerations in antidepressant therapy: an evidence-based review. J Tehran Heart Cent 2013; 8:169-76. [PMID: 26005484 PMCID: PMC4434967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Accepted: 08/17/2013] [Indexed: 11/17/2022] Open
Abstract
There is a definite correlation between cardiovascular diseases and depressive disorders. Nevertheless, many aspects of this association have yet to be fully elucidated. Up to half of coronary artery disease patients are liable to suffer from some depressive symptoms, with approximately 20% receiving a diagnosis of major depressive disorders. Pharmacotherapy is a key factor in the management of major depression, not least in patients with chronic diseases who are likely to fail to show proper compliance and response to non-pharmacological interventions. Antidepressants are not deemed completely safe. Indeed, numerous side effects have been reported with the administration of antidepressants, among which cardiovascular adverse events are of paramount importance owing to their disabling and life-threatening nature. We aimed to re-examine some of the salient issues in antidepressant therapy vis-à-vis cardiovascular considerations, which should be taken into account when prescribing such medications.
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Affiliation(s)
| | | | - Shahin Akhondzadeh
- Corresponding Author: Shahin Akhondzadeh, Professor of Neuroscience, Psychiatric Research Center, Roozbeh Psychiatric Hospital, Tehran University of Medical Sciences, South Kargar Street, Tehran, Iran. 1333754652. Tel: +98 21 55412222. Fax: +98 21 55419113.
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Pae CU, Wang SM, Lee SJ, Han C, Patkar AA, Masand PS. Antidepressant and QT interval prolongation, how should we look at this issue? Focus on citalopram. Expert Opin Drug Saf 2013; 13:197-205. [PMID: 24131458 DOI: 10.1517/14740338.2013.840583] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Evidence increasingly points to the potential development of harmful cardiac side effects concomitant with the use of a number of psychotropic drugs, primarily traditional antipsychotics and tricyclic antidepressants. AREAS COVERED The US Food and Drug Administration announced safety warnings associated with the use of citalopram with QT interval prolongation in 2011 and 2012. This paper explores the clinical background of QT interval prolongation, clinical data related to antidepressants and QT interval prolongation, the clinical implications of safety issues associated with the use of antidepressants and future research directions. EXPERT OPINION Currently available evidence proposes that citalopram may not be definitely associated with the increase of cardiac mortality, although it should be related with increase of QT prolongation. A firm consensus regarding the cardiac safety issues associated with antidepressants has to be established in near future. Hence, the choice of an individual antidepressant regarding cardiac safety issues should be based on multiple factors; clinicians may need to select the best available antidepressant for each individual based on that patient's vulnerability, the proven efficacy and safety of each agent and a reasonable benefit:risk ratio, based on currently available findings.
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Affiliation(s)
- Chi-Un Pae
- The Catholic University of Korea, Psychiatry , Sosa-Dong, Wonmi-Gu, Bucheon, 420717 , Republic of Korea
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Fujii M, Hayashi K, Ohya S, Yamamura H, Imaizumi Y. New screening system for selective blockers of voltage-gated K(+) channels using recombinant cell lines dying upon single action potential. J Pharmacol Sci 2013; 123:147-58. [PMID: 24096832 DOI: 10.1254/jphs.13063fp] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
To develop a simple screening system for blockers of voltage-gated Kv1.3 and Kv1.5 channels, new cell lines co-expressing mutated Nav1.5 (IFM/Q3), Kir2.1 (Kir), and Kv1.3 or Kv1.5 were introduced as IFM/Q3+Kir+Kv1.3 and IFM/Q3+Kir+Kv1.5, respectively. Electrical stimulation (ES) of a cell line, IFM/Q3+Kir, induced prolonged action potentials due to the slow inactivation of IFM/Q3 and subsequent cell death. Additional co-expression of Kv1.3 or Kv1.5 to IFM/Q3+Kir shortened the evoked action potentials and prevented cell death. In the presence of margatoxin, a selective Kv1.3-blocker, ES induced cell death in IFM/Q3+Kir+Kv1.3, but not in IFM/Q3+Kir+Kv1.5. In the presence of 4-aminopyridine, a non-selective Kv-channel blocker, ES application elicited cell death in both cell lines. The IC50s of acacetin, a Kv1.5-blocker, was 10.2 μM in IFM/Q3+Kir+Kv1.3 and almost identical to that in IFM/Q3+Kir+Kv1.5 (7.6 μM). The IC50s of citalopram, a 5-HT uptake-inhibitor, were 1.8 μM in IFM/Q3+Kir+Kv1.3 and 1.5 μM in IFM/Q3+Kir+Kv1.5, respectively. These IC50s were comparable to those determined electrophysiologically. In conclusion, acacetin and citalopram block both Kv1.3 and Kv1.5 without selectivity. The Kv1.3 or Kv1.5 channel inhibition assay using these new cell lines may be applicable to high-throughput screening because of its simplicity, accuracy, and high cost-performance.
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Affiliation(s)
- Masato Fujii
- Department of Molecular and Cellular Pharmacology, Graduate School of Pharmaceutical Sciences, Nagoya City University, Japan
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Dell'osso B, Arici C, Dobrea C, Camuri G, Benatti B, Altamura AC. Escitalopram tolerability as mono- versus augmentative therapy in patients with affective disorders: a naturalistic study. Neuropsychiatr Dis Treat 2013; 9:205-9. [PMID: 23429980 PMCID: PMC3573802 DOI: 10.2147/ndt.s39322] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Escitalopram is a selective serotonin reuptake inhibitor, widely used in the treatment of affective disorders. The purpose of this study was to examine its safety and tolerability, as mono- versus augmentative therapy, in a group of patients with affective disorders. MATERIALS AND METHODS The sample consisted of 131 patients suffering from different affective disorders, including major depressive disorder, bipolar disorder, and generalized anxiety disorder, who received escitalopram for at least 4 weeks. Data were analyzed on the basis of mono- versus augmentative therapy, as well as age, gender, mean daily dosage, and patterns of combination therapy. RESULTS Sixty-seven (51.1%) patients were treated with monotherapy (mean dose of 11.76 mg/day) and 64 (48.9%) with augmentative escitalopram (mean dose of 12.81 mg/day). The mean duration of escitalopram treatment was 14 months. The most frequently combined compounds were: other antidepressants (36.5%), mood stabilizers (33.4%), and atypical antipsychotics (30.1%). Side effects were reported in 5.3% of the total sample and the most common were insomnia (2.3%), nausea (2.3%), and dizziness (0.8%). No significant difference, in terms of tolerability, in mono- versus augmentative therapy groups was found. In addition, neither age nor gender was significantly correlated with a greater presence of side effects. Finally, no significant correlation between dosage and side effects was observed. CONCLUSION Over a 14-month observation period, escitalopram, either as monotherapy or an augmentative treatment, was found to be well tolerated in a large sample of patients with affective disorders, with an overall low rate of side effects.
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Affiliation(s)
- Bernardo Dell'osso
- University of Milan, Department of Psychiatry, Fondazione IRCSS Ca' Granda, Ospedale Maggiore Policlinico, Milano, Italy
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Blake H. Physical activity and exercise in the treatment of depression. Front Psychiatry 2012; 3:106. [PMID: 23233842 PMCID: PMC3516810 DOI: 10.3389/fpsyt.2012.00106] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2012] [Accepted: 11/21/2012] [Indexed: 12/02/2022] Open
Affiliation(s)
- Holly Blake
- Faculty of Medicine and Health Sciences, Queen's Medical Centre, University of Nottingham Nottingham, UK
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