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Abdelrahman Ali MA, Sweed HS, Allam MF, Aly WW, Mohamed Matter AH, Abdelalim Elshabrawy WE. Proportion and Risk Factors of Silent Vertebral Fractures Among Egyptian Females With Fragility Hip Fracture Presenting to the Emergency Room of Ain Shams University Hospitals. Cureus 2023; 15:e46214. [PMID: 37905273 PMCID: PMC10613479 DOI: 10.7759/cureus.46214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2023] [Indexed: 11/02/2023] Open
Abstract
Background Fragility fractures caused by osteoporosis are known to increase the risk of further fragility fractures. Also, several factors have been associated with an increasing risk of fracture in postmenopausal women with osteoporosis, as prior fracture, advancing age, low bone mineral density (BMD), greater risk or history of falls certain, pharmacologic therapies such as glucocorticoids, and medical conditions increase the risk of secondary osteoporosis and related fractures through their direct impact on bone density or structure. Menstrual history including age at menarche menopause and a history of amenorrhea is documented as a predicting osteoporotic fracture. Objective The aim of the current study is to find the proportion of hidden vertebral fractures among Egyptian females with fragility hip fracture. Patients and methods A cross-sectional study was conducted on patients who presented to the orthopedic emergency room (ER) of Ain Shams University Hospitals in Cairo, Egypt, from September 2020 to September 2021. Our inclusion criteria include females aged 40 years or older, who presented to the ER with fragility hip fractures. A simple random sample of females fulfilling our inclusion criteria for osteoporotic hip fracture was thoroughly investigated. Conventional lateral and anteroposterior radiographs of the dorsolumbar spine were obtained excluding those with high-impact fractures or pathological fractures. Results During the study period, a total of 43,935 persons presented to the orthopedic ER, of whom 30,901 were females, comprising 70.03% of total orthopedic ER visits. A sample of 150 females met our inclusion criteria. Results showed that 16 of our 150 cases had concomitant vertebral fracture, meaning that 10.7% of cases had hidden vertebral fracture at the time of osteoporotic hip fracture, as diagnosed by the screening lumbosacral plain X-rays. Older age at menarche, younger age at menopause, and amenorrhea are shown to be risk factors for hidden vertebral fracture in Egyptian females. Conclusion Osteoporosis is a complex and costly disease. Osteoporotic fractures may be largely preventable, as environmental factors are open to intervention, and effective pharmacological agents are available. Concomitant hidden vertebral fracture is prevalent among females with osteoporotic hip fractures, and those who had later menarche, earlier menopause, and menstrual irregularities have a higher incidence of developing associated vertebral fracture, which warrants identification and management to evade complications and mortality.
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Affiliation(s)
| | | | | | - Walaa W Aly
- Geriatrics, Ain Shams University, Cairo, EGY
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Singh G, Singh MB, Ding D, Maulik P, Sander JW. Implementing WHO's Intersectoral Global Action Plan for epilepsy and other neurological disorders in Southeast Asia: a proposal. THE LANCET REGIONAL HEALTH. SOUTHEAST ASIA 2023; 10:100135. [PMID: 37197018 PMCID: PMC7614540 DOI: 10.1016/j.lansea.2022.100135] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/25/2022] [Accepted: 12/16/2022] [Indexed: 05/19/2023]
Abstract
The World Health Assembly approved the Intersectoral Global Action Plan for epilepsy and neurological disorders. Member states, including those in Southeast Asia, must now prepare to achieve IGAP's strategic targets by embracing novel approaches and strengthening existing policies and practices. We propose and present evidence to support four such processes. The opening course should engage all stakeholders to develop people-centric instead of outcome-centric approaches. Rather than caring for convulsive epilepsy alone, as currently done, primary care providers should also be skilled in diagnosing and treating focal and non-motor seizures. This could reduce the diagnostic gap as over half of epilepsies present with focal seizures. Currently, primary care providers lack knowledge and skills to manage focal seizures. Technology-enabled aids can help overcome this limitation. Lastly, there is need to add newer "easy to use" epilepsy medicines to Essential Medicines lists in light of emerging evidence for better tolerability, safety and user-friendliness.
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Affiliation(s)
- Gagandeep Singh
- Department of Neurology, Dayanand Medical College & Hospital, Ludhiana, India
- Department of Clinical & Experimental Epilepsy, UCL Queen Square Institute of Neurology, Queen Square, London, UK
| | - Mamta B. Singh
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Ding Ding
- Institute of Neurology, Fudan University Hospital, Shanghai, China
| | - Pallab Maulik
- George Institute for Global Health, New Delhi, India
| | - Josemir W. Sander
- Department of Clinical & Experimental Epilepsy, UCL Queen Square Institute of Neurology, Queen Square, London, UK
- Stichting Epilepsie Instellingen Nederland (SEIN), Heemstede 2103 SW, the Netherlands
- Neurology Department, West of China Hospital, Sichuan University, Chengdu 61004, China
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Tang F, Wang S, Zhao H, Xia D, Dong X. Mendelian randomization analysis does not reveal a causal influence of mental diseases on osteoporosis. Front Endocrinol (Lausanne) 2023; 14:1125427. [PMID: 37152964 PMCID: PMC10157183 DOI: 10.3389/fendo.2023.1125427] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/28/2023] [Indexed: 05/09/2023] Open
Abstract
Introduction Osteoporosis (OP) is primarily diagnosed through bone mineral density (BMD) measurements, and it often leads to fracture. Observational studies suggest that several mental diseases (MDs) may be linked to OP, but the causal direction of these associations remain unclear. This study aims to explore the potential causal association between five MDs (Schizophrenia, Depression, Alzheimer's disease, Parkinson's disease, and Epilepsy) and the risk of OP. Methods First, single-nucleotide polymorphisms (SNPs) were filtered from summary-level genome-wide association studies using quality control measures. Subsequently, we employed two-sample Mendelian randomization (MR) analysis to indirectly analyze the causal effect of MDs on the risk of OP through bone mineral density (in total body, femoral neck, lumbar spine, forearm, and heel) and fractures (in leg, arm, heel, spine, and osteoporotic fractures). Lastly, the causal effect of the MDs on the risk of OP was evaluated directly through OP. MR analysis was performed using several methods, including inverse variance weighting (IVW)-random effects, IVW-fixed effects, maximum likelihood, weighted median, MR-Egger regression, and penalized weighted median. Results The results did not show any evidence of a causal relationship between MDs and the risk of OP (with almost all P values > 0.05). The robustness of the above results was proved to be good. Discussion In conclusion, this study did not find evidence supporting the claim that MDs have a definitive impact on the risk of OP, which contradicts many existing observational reports. Further studies are needed to determine the potential mechanisms of the associations observed in observational studies.
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Affiliation(s)
- Fen Tang
- School of Medicine, Shanghai University, Shanghai, China
| | - Sheng Wang
- Department of Emergency, Changhai Hospital, Naval Military Medical University, Shanghai, China
| | - Hongxia Zhao
- Clinical Research Institute of Zhanjiang, Central People’s Hospital of Zhanjiang, Zhanjiang, China
| | - Demeng Xia
- Luodian Clinical Drug Research Center, Shanghai Baoshan Luodian Hospital, Shanghai University, Shanghai, China
- *Correspondence: Xin Dong, ; Demeng Xia,
| | - Xin Dong
- School of Medicine, Shanghai University, Shanghai, China
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- *Correspondence: Xin Dong, ; Demeng Xia,
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Complications associated with the use of enzyme-inducing and non-enzyme-inducing anti-seizure medications in the Japanese population: A retrospective cohort study. Epilepsy Behav 2022; 129:108610. [PMID: 35231856 DOI: 10.1016/j.yebeh.2022.108610] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/05/2022] [Accepted: 02/01/2022] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Enzyme-inducing anti-seizure medications (EIASMs) may contribute to the development of complications such as fracture and cardiovascular disease. The objective of the study was to determine whether the use of EIASMs is associated with a higher risk of fracture and cardiovascular outcome in young Japanese patients with epilepsy. METHOD Adult patients diagnosed with epilepsy and initiated a monotherapy with an anti-seizure medication (ASM) between 2008 and 2018 were included in the study. The primary outcomes were the occurrence of acute myocardial infarction (AMI) or stroke. The secondary outcome was fracture. We performed a propensity score-matched analysis (1:1) to control for imbalances in patient characteristics, and the matched hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using Cox proportional hazards models. RESULT Of the 7115 eligible patients, 626 (8.79%) initiated treatment with EIASMs. The median age of the patients was 44 years (interquartile range: 31-54 years), and 56.2% were male. Propensity score matching generated 626 matched pairs of patients treated with EIASMs and non-EIASMs. There were no significant differences in the risk of stroke (EIASM group: n = 28[4.47%], non-EIASM group: n = 22[3.51%], HR: 1.47, 95% CI: 0.79-2.72, p = 0.22) or fracture (EIASM group: n = 7[1.12%], non-EIASM group: n = 5[0.80%], HR: 1.00, 95% CI: 0.29-3.45, p = 1.00) between the two groups. The hazard ratio for the occurrence of AMI could not be calculated due to the small number of events (EIASM group: n = 0[0.00], non-EIASM group: n = 2[0.32]). SIGNIFICANCE Our cohort study did not find increased risk of the occurrence of stroke, AMI, or fracture hospitalization with the use of enzyme-inducing ASMs. Although the findings suggested that exposure to EIASMs does not appear to increase the risk of complications in young patients, caution should be taken as patients with epilepsy tend to take medication in the long run.
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The Effects of Osteoporotic and Non-osteoporotic Medications on Fracture Risk and Bone Mineral Density. Drugs 2021; 81:1831-1858. [PMID: 34724173 PMCID: PMC8578161 DOI: 10.1007/s40265-021-01625-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/11/2021] [Indexed: 12/26/2022]
Abstract
Osteoporosis is a highly prevalent bone disease affecting more than 37.5 million individuals in the European Union (EU) and the United States of America (USA). It is characterized by low bone mineral density (BMD), impaired bone quality, and loss of structural and biomechanical properties, resulting in reduced bone strength. An increase in morbidity and mortality is seen in patients with osteoporosis, caused by the approximately 3.5 million new osteoporotic fractures occurring every year in the EU. Currently, different medications are available for the treatment of osteoporosis, including anti-resorptive and osteoanabolic medications. Bisphosphonates, which belong to the anti-resorptive medications, are the standard treatment for osteoporosis based on their positive effects on bone, long-term experience, and low costs. However, not only medications used for the treatment of osteoporosis can affect bone: several other medications are suggested to have an effect on bone as well, especially on fracture risk and BMD. Knowledge about the positive and negative effects of different medications on both fracture risk and BMD is important, as it can contribute to an improvement in osteoporosis prevention and treatment in general, and, even more importantly, to the individual's health. In this review, we therefore discuss the effects of both osteoporotic and non-osteoporotic medications on fracture risk and BMD. In addition, we discuss the underlying mechanisms of action.
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A novel index to assess low energy fracture risks in patients prescribed antiepileptic drugs. PLoS One 2021; 16:e0256093. [PMID: 34437569 PMCID: PMC8389492 DOI: 10.1371/journal.pone.0256093] [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: 12/23/2020] [Accepted: 07/30/2021] [Indexed: 11/19/2022] Open
Abstract
Objective To develop an index assessing the risks of low energy fractures (LEF) in patients prescribed antiepileptic drugs (AED) by exploring five previously suggested risk factors; age, gender, AED-type, epilepsy diagnosis and BMI. Methods In a population-based retrospective open cohort study we used real world data from the Electronic Health Register (EHR) in Region Kalmar County, Sweden. 23 209 patients prescribed AEDs at any time from January 2008 to November 2018 and 23 281 matching controls were followed from first registration in the EHR until the first documented LEF, disenrollment (or death) or until the end of the study period, whichever came first. Risks of LEF measured as hazard rate ratios in relation to the suggested risk factors and in comparison to matched controls were analyzed using Cox regression. The index was developed using a linear combination of the statistically significant variables multiplied by the corresponding regression coefficients. Results Data from 23 209 patients prescribed AEDs and 2084 documented LEFs during a follow-up time of more than 10 years resulted in the Kalmar Epilepsy Fracture Risk Index (KEFRI). KEFRI = Age-category x (1.18) + Gender x (-0.51) + AED-type x (0.29) + Epilepsy diagnosis-category x (0.31) + BMI-category x (-0.35). All five previously suggested risk factors were confirmed. Women aged 75 years and older treated with an inducing AED against epilepsy and BMIs of 25 kg/m2 or below had 48 times higher LEF rates compared to men aged 50 years or younger, treated with a non-inducing AED for a condition other than epilepsy and BMIs above 25 kg/m2. Conclusion The KEFRI is the first weighted multifactorial assessment tool estimating risks of LEF in patients prescribed AEDs and could serve as a feasible guide within clinical practice.
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Yen WW, Falik N, Passfall LG, Krol O, Sanchez TE, Penny GS, Wham BC, Suneja N. Management of lower extremity orthopaedic injuries in epileptic patients: A systematic review. J Orthop 2021; 25:278-282. [PMID: 34121822 DOI: 10.1016/j.jor.2021.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 05/02/2021] [Indexed: 11/30/2022] Open
Abstract
Lower-extremity injuries may occur during seizures. There is a lack of standardized guidelines when diagnosing and planning perioperative care. Databases were systematically screened using predefined search terms. Of the 13 patients included, seven (53.8%) involved bilateral femoral neck fractures. Associated fractures were observed in all cases with surgical intervention performed in eight (61.5%) patients. Eleven patients reported functional outcomes, with over a quarter (three of 11, [27.3%]) endorsing mild range of motion deficits or issues with ambulation. Post-seizure patients may require standardized diagnostic protocols to ensure prompt management with a specialized treatment approach that accommodates the nuances of their condition.
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Affiliation(s)
- Winston W Yen
- Department of Orthopaedic Surgery and Rehabilitation Medicine, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, USA
| | - Nouraiz Falik
- Department of Orthopaedic Surgery and Rehabilitation Medicine, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, USA
| | - Lara G Passfall
- Department of Orthopaedic Surgery and Rehabilitation Medicine, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, USA
| | - Oscar Krol
- Department of Orthopaedic Surgery and Rehabilitation Medicine, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, USA
| | - Thomas E Sanchez
- Department of Orthopaedic Surgery and Rehabilitation Medicine, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, USA
| | - Gregory S Penny
- Department of Orthopaedic Surgery and Rehabilitation Medicine, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, USA
| | - Bradley C Wham
- Department of Orthopaedic Surgery and Rehabilitation Medicine, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, USA
| | - Nishant Suneja
- Department of Orthopaedic Surgery and Rehabilitation Medicine, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, USA
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Prudencio MB, de Lima PA, Murakami DK, Sampaio LPDB, Damasceno NRT. Micronutrient supplementation needs more attention in patients with refractory epilepsy under ketogenic diet treatment. Nutrition 2021; 86:111158. [PMID: 33621857 DOI: 10.1016/j.nut.2021.111158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 11/09/2020] [Accepted: 01/05/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVES This study evaluated the adequacy of micronutrient intake from the ketogenic diet (KD) with and without micronutrient supplementation according to age in Brazilian children and adolescents with refractory epilepsy undergoing KD treatment. METHODS This study enrolled children and adolescents with refractory epilepsy who were up to 19 y of age. Nutrient intakes were monitored using 3 d food records before introducing micronutrient supplementation and 3 mo after starting KD treatment. The prevalence of micronutrient inadequacy was estimated by sex and age according to the estimated average requirement cutoff values. RESULTS This study included 39 children and adolescents. The KD did not provide enough content of folate, calcium, and magnesium in all patients according to the dietary reference intake. Even after starting supplementation, calcium, phosphorus, and magnesium intake remained inadequate in the majority of patients. The supplementation effectively met the vitamin B12 recommendation in all age groups. CONCLUSIONS KD treatment did not provide adequate levels of the monitored micronutrients. The supplementation improved but did not prevent the inadequacy of micronutrients such as calcium, magnesium, and phosphorus. The results highlight the importance of individual supplementation protocols and the need to monitor micronutrient intake according to age and sex.
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Affiliation(s)
| | - Patricia Azevedo de Lima
- Program in Applied Human Nutrition, Faculty of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Daniela Kawamoto Murakami
- Children's Institute, Hospital of Clinics, School of Medicine, University of São Paulo, São Paulo, Brazil
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Nilo A, Gelisse P, Crespel A. Genetic/idiopathic generalized epilepsies: Not so good as that! Rev Neurol (Paris) 2020; 176:427-438. [DOI: 10.1016/j.neurol.2020.03.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 03/24/2020] [Accepted: 03/31/2020] [Indexed: 12/25/2022]
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Cheng HH, Kung PT, Wang BR, Chiu LT, Tsai WC. Cost-benefit analysis, cost-effectiveness analysis, and impact of antiepileptic drugs on the risk of fracture in patients with epilepsy: A nationwide cohort study. Epilepsy Behav 2020; 103:106851. [PMID: 31889639 DOI: 10.1016/j.yebeh.2019.106851] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 12/08/2019] [Accepted: 12/08/2019] [Indexed: 11/16/2022]
Abstract
PURPOSE Although nonenzyme-inducing antiepileptic drugs (nEIAEDs) are accepted for the treatment of epilepsy, few studies have examined the costs, benefits, and cost-effectiveness of nEIAEDs in relation to the incidence of fracture among patients with epilepsy. In the present study, we performed cost-benefit and cost-effectiveness analyses comparing the influence of enzyme-inducing AEDs (EIAEDs) and nEIAEDs on the risk of fracture in this population. METHODS A total of 4864 patients with epilepsy were classified into EIAED and nEIAED groups. Propensity score matching was applied to reduce the influence of selection bias. Clinical outcomes were measured in relation to AED fee, medical expenses associated with epilepsy and fracture, and the total number of fractures. Cost-benefit and cost-effectiveness analyses were performed for all patients. RESULTS Patients in the unmatched EIAED cohort (n = 3686) were older and had more comorbidities. After matching, the cohorts exhibited similar features (n = 2432 each). Fracture risk was lower in the nEIAED group than in the EIAED group (HR = 0.70). The additional medical expense of nEIAEDs in fractures and epilepsy for 2 years per person was 107,731 New Taiwan dollars (NT$). The additional cost for nEIAEDs to reduce one event of fracture was $14,789,421 NT$. CONCLUSIONS Patients with epilepsy using nEIAEDs had a lower risk of fracture than those using EIAEDs. However, the cost-benefit ratio and cost-effectiveness of such treatment were lower in the nEIAED group than in the EIAED group.
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Affiliation(s)
- Hsin-Hsuan Cheng
- Department of Pharmacy, Taichung Veterans' General Hospital, Taichung 40705, Taiwan, ROC
| | - Pei-Tseng Kung
- Department of Health Administration, Asia University, No. 500, Lioufeng Rd., Wufeng, Taichung 41354, Taiwan, ROC; Department of Medical Research, China Medical University Hospital, China Medical University, No. 91 Hsueh-Shih Road, Taichung 40402, Taiwan, ROC
| | - Bo-Ren Wang
- Division of Urology, Department of Surgery, Taichung Armed Forces General Hospital, No. 348, Sec. 2, Chungshan Rd., Taiping Dist., Taichung 41152, Taiwan, ROC
| | - Li-Ting Chiu
- Department of Health Services Administration, China Medical University, No. 91 Hsueh-Shih Road, Taichung 40402, Taiwan, ROC
| | - Wen-Chen Tsai
- Department of Health Services Administration, China Medical University, No. 91 Hsueh-Shih Road, Taichung 40402, Taiwan, ROC.
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Doudoux H, Fournier M, Vercueil L. Postictal syndrome: The forgotten continent. An overview of the clinical, biochemical and imaging features. Rev Neurol (Paris) 2019; 176:62-74. [PMID: 31160075 DOI: 10.1016/j.neurol.2019.02.005] [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: 10/19/2018] [Revised: 01/30/2019] [Accepted: 02/19/2019] [Indexed: 01/09/2023]
Abstract
Postictal syndrome (PIS) encompasses the clinical, biological, electroencephalographic (EEG) and magnetic resonance imaging (MRI) signs that follow the termination of a seizure. These signs occur as soon as the epileptic discharge ends, but might remain for a substantially long period of time, making them amenable to clinical observation. As a direct consequence, neurologists and intensivists are more frequently attending patients with PIS than during their seizure. Moreover, careful PIS documentation may help physicians to diagnose epileptic seizure from other non-epileptic disorders. Careful analysis of PIS could also be helpful to better characterize the seizure (seizure subtypes, and to some extent, the localization and/or lateralization of the seizure). This article aims to review the main clinical, biological, EEG and MRI components of PIS, discuss differential diagnoses and propose a general clinical attitude, based on the acronym "WAITTT": W for "Watch", to monitor and investigate PIS in order to provide relevant information on seizure, AIT for "Avoid Inappropriate Treatment", to underscore the risk carrying out unnecessary drug injections and intensive care procedures in the setting of a self-limited symptomatology, and TT for "Take Time", to keep in mind that time remains the clinician's best ally for treating patients with PIS.
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Affiliation(s)
- H Doudoux
- EFSN, centre de compétence Grenoble epilepsies rares, university Grenoble Alpes, Inserm, U1216, CHU de Grenoble Alpes, Grenoble institut neurosciences, 38000 Grenoble, France
| | - M Fournier
- EFSN, centre de compétence Grenoble epilepsies rares, university Grenoble Alpes, Inserm, U1216, CHU de Grenoble Alpes, Grenoble institut neurosciences, 38000 Grenoble, France
| | - L Vercueil
- EFSN, centre de compétence Grenoble epilepsies rares, university Grenoble Alpes, Inserm, U1216, CHU de Grenoble Alpes, Grenoble institut neurosciences, 38000 Grenoble, France.
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Management of epilepsy in women. Lancet Neurol 2019; 18:481-491. [DOI: 10.1016/s1474-4422(18)30495-2] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 11/19/2018] [Accepted: 12/10/2018] [Indexed: 01/01/2023]
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Tombini M, Palermo A, Assenza G, Pellegrino G, Benvenga A, Campana C, Naciu AM, Assenza F, Lazzaro VD. Calcium metabolism serum markers in adult patients with epilepsy and the effect of vitamin D supplementation on seizure control. Seizure 2018; 58:75-81. [DOI: 10.1016/j.seizure.2018.04.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 03/14/2018] [Accepted: 04/07/2018] [Indexed: 11/28/2022] Open
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Tolppanen AM, Taipale H, Koponen M, Tanskanen A, Lavikainen P, Paananen J, Tiihonen J, Hartikainen S. Screening approach for identifying candidate drugs and drug-drug interactions related to hip fracture risk in persons with Alzheimer disease. Pharmacoepidemiol Drug Saf 2017; 26:875-889. [PMID: 28556303 DOI: 10.1002/pds.4232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 03/17/2017] [Accepted: 04/23/2017] [Indexed: 11/06/2022]
Abstract
PURPOSE To assess whether a "drugome-wide" screen with case-crossover design is a feasible approach for identifying candidate drugs and drug-drug interactions. METHODS All community-dwelling residents of Finland who received a clinically verified Alzheimer disease diagnosis in 2005 to 2011 and experienced incident hip fracture (HF) afterwards (N = 4851). Three scenarios were used to test the sensitivity of this approach (1) hazard period 0 to 30 and control period 31 to 61 days before HF, (2) hazard period 0 to 30 and control period 336 to 366 days before HF, and (3) hazard period 0 to 14 and control period 16 to 30 days before HF. RESULTS Nine, 44, and 5 drugs were associated with increased HF risk and 8, 23, and 4 with decreased risk in scenarios 1, 2, and 3, respectively. Six drugs were identified with scenario 1 only and 54 and 1 with scenarios 2 and 3, respectively. Only six drugs (metoprolol, simvastatin, trimethoprim, codeine combinations, fentanyl, and paracetamol) were associated with HF in all scenarios, four with 1 and 2 (cefalexin, buprenorphine, olanzapine, and memantine), and one with 1 and 3 (enalapril) or 2 and 3 (ciprofloxacin). The direction of associations was the same in all/both scenarios. The interaction results were equally versatile, with hydroxocobalamin*oxazepam being the only interaction observed in all scenarios. CONCLUSIONS Case-crossover analysis is a potential approach for identifying candidate drugs and drug-drug interactions associated with adverse events as it implicitly controls for fixed confounders. The results are highly dependent on applied hazard and control periods, but the choice of periods can help in targeting the analyses to different phases of drug use.
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Affiliation(s)
- Anna-Maija Tolppanen
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland.,Research Centre for Comparative Effectiveness and Patient Safety (RECEPS), University of Eastern Finland, Kuopio, Finland
| | - Heidi Taipale
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland.,Kuopio Research Centre of Geriatric Care, University of Eastern Finland, Kuopio, Finland.,Department of Forensic Psychiatry, Niuvanniemi Hospital, Kuopio, Finland.,Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Marjaana Koponen
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland.,Kuopio Research Centre of Geriatric Care, University of Eastern Finland, Kuopio, Finland
| | - Antti Tanskanen
- Department of Forensic Psychiatry, Niuvanniemi Hospital, Kuopio, Finland.,Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.,National Institute for Health and Welfare, Helsinki, Finland
| | - Piia Lavikainen
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Jussi Paananen
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Jari Tiihonen
- Department of Forensic Psychiatry, Niuvanniemi Hospital, Kuopio, Finland.,Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Sirpa Hartikainen
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland.,Kuopio Research Centre of Geriatric Care, University of Eastern Finland, Kuopio, Finland.,Department of Psychiatry, Kuopio University Hospital, Kuopio, Finland
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Neuron subset-specific Pten deletion induces abnormal skeletal activity in mice. Exp Neurol 2017; 291:98-105. [PMID: 28163158 DOI: 10.1016/j.expneurol.2017.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 01/27/2017] [Accepted: 02/01/2017] [Indexed: 12/13/2022]
Abstract
Individuals with a history of epilepsy are at higher risk for bone fractures compared to the general population. Although clinical studies support an association between low bone mineral density (BMD) and anti-seizure medications, little is known on whether a history of seizures is linked to altered bone health. Therefore, in this study we tested the hypothesis that bone mass, morphology, and bone mineralization are altered by seizures in genetically epileptic animals and in animals subjected to an episode of status epilepticus. In this study, we used NS-Pten conditional knockout mice (a well-studied genetic model of epilepsy). We used microCT analysis to measure BMD, morphology, and mineralization in NS-Pten+/+ (wildtype) and NS-Pten-/- (knockout) mice at 4 and 8weeks, as well as adult Kv4.2+/+ and Kv4.2-/- mice. We measured BMD, bone morphology, and mineralization in adult NS-Pten+/+ mice that received status epilepticus through kainic acid (20mg/kg intraperitoneal). Further, we measured locomotion for NS-Pten+/+ and NS-Pten-/- mice at 4 and 6weeks. We found that NS-Pten-/- mice exhibited low BMD in the tibial metaphysis and midshaft compared to non-epileptic mice. Morphologically, NS-Pten-/- mice exhibited decreased trabecular volume fraction, and endocortical expansion in both the metaphyeal and diaphyseal compartments. In the midshaft, NS-Pten-/- mice exhibited reduced tissue mineral density, indicating impaired mineralization in addition to morphological deficits. NS-Pten-/- mice exhibited hyperactivity in open field testing, suggesting low bone mass in NS-Pten-/- mice was not attributable to hypoactivity. Differences in BMD were not observed following kainate-induced seizures or in the Kv4.2-/- model of seizure susceptibility. Our findings suggest that deletion of Pten in the brain results in impaired bone mass and mineralization, which may contribute to weaker bones and thereby a higher fracture risk.
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Fan HC, Lee HS, Chang KP, Lee YY, Lai HC, Hung PL, Lee HF, Chi CS. The Impact of Anti-Epileptic Drugs on Growth and Bone Metabolism. Int J Mol Sci 2016; 17:E1242. [PMID: 27490534 PMCID: PMC5000640 DOI: 10.3390/ijms17081242] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/20/2016] [Accepted: 07/28/2016] [Indexed: 12/13/2022] Open
Abstract
Epilepsy is a common neurological disorder worldwide and anti-epileptic drugs (AEDs) are always the first choice for treatment. However, more than 50% of patients with epilepsy who take AEDs have reported bone abnormalities. Cytochrome P450 (CYP450) isoenzymes are induced by AEDs, especially the classical AEDs, such as benzodiazepines (BZDs), carbamazepine (CBZ), phenytoin (PT), phenobarbital (PB), and valproic acid (VPA). The induction of CYP450 isoenzymes may cause vitamin D deficiency, hypocalcemia, increased fracture risks, and altered bone turnover, leading to impaired bone mineral density (BMD). Newer AEDs, such as levetiracetam (LEV), oxcarbazepine (OXC), lamotrigine (LTG), topiramate (TPM), gabapentin (GP), and vigabatrin (VB) have broader spectra, and are safer and better tolerated than the classical AEDs. The effects of AEDs on bone health are controversial. This review focuses on the impact of AEDs on growth and bone metabolism and emphasizes the need for caution and timely withdrawal of these medications to avoid serious disabilities.
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Affiliation(s)
- Hueng-Chuen Fan
- Department of Pediatrics, Tungs' Taichung Metroharbor Hospital, Wuchi, 435 Taichung, Taiwan.
- Department of Nursing, Jen-Teh Junior College of Medicine, Nursing and Management, 356 Miaoli, Taiwan.
| | - Herng-Shen Lee
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, 813 Kaohsiung, Taiwan.
| | - Kai-Ping Chang
- Department of Pediatrics, Taipei Veterans General Hospital, 112 Taipei, Taiwan.
| | - Yi-Yen Lee
- Division of Pediatric Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, 112 Taipei, Taiwan.
- Faculty of Medicine, National Yang-Ming University, 112 Taipei, Taiwan.
| | - Hsin-Chuan Lai
- Department of Pediatrics, Tungs' Taichung Metroharbor Hospital, Wuchi, 435 Taichung, Taiwan.
- Department of Nursing, Jen-Teh Junior College of Medicine, Nursing and Management, 356 Miaoli, Taiwan.
| | - Pi-Lien Hung
- Department of Pediatrics, Kaohsiung Chang Gung Medical Center, 833 Kaohsiung, Taiwan.
| | - Hsiu-Fen Lee
- Department of Pediatrics, Taichung Veterans General Hospital, 407 Taichung, Taiwan.
| | - Ching-Shiang Chi
- Department of Pediatrics, Tungs' Taichung Metroharbor Hospital, Wuchi, 435 Taichung, Taiwan.
- Department of Nursing, Jen-Teh Junior College of Medicine, Nursing and Management, 356 Miaoli, Taiwan.
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Abstract
The increased rate of fractures associated with epilepsy has been long recognised but remains incompletely understood. Study quality and study results have varied, with some but not all studies showing bone diseases including osteoporosis and/or osteomalacia, and a high prevalence of vitamin D insufficiency and deficiency are also noted. Falls risk can also be higher in patients with epilepsy taking anti-epileptic medications, potentially leading to fracture. Larger research collaborations are recommended to further advance understanding in this field, particularly to examine underlying genetic and pharmacogenomic associations of epilepsy and anti-epileptic medication usage and its association with bone diseases and fractures, as well as further investigation into optimal management of bone health in epilepsy.
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Affiliation(s)
- Sandra J Petty
- Melbourne Brain Centre, The Florey Institute of Neuroscience and Mental Health, Parkville, VIC, Australia.
- Melbourne Brain Centre at The Royal Melbourne Hospital, The Department of Medicine, The University of Melbourne, Parkville, VIC, Australia.
- Academic Centre, Ormond College, Parkville, VIC, Australia.
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia.
- Department of Neurology, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia.
- Department of Neurology, Western Health, Sunshine, VIC, Australia.
- Department of Medical Education, The University of Melbourne, Parkville, VIC, Australia.
| | - Helen Wilding
- St Vincent's Hospital Library Service, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
| | - John D Wark
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia
- Bone and Mineral Medicine, The Royal Melbourne Hospital, Parkville, VIC, Australia
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