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Tanaka T, Ihara M, Fukuma K, Mishra NK, Koepp MJ, Guekht A, Ikeda A. Pathophysiology, Diagnosis, Prognosis, and Prevention of Poststroke Epilepsy: Clinical and Research Implications. Neurology 2024; 102:e209450. [PMID: 38759128 PMCID: PMC11175639 DOI: 10.1212/wnl.0000000000209450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 03/13/2024] [Indexed: 05/19/2024] Open
Abstract
Poststroke epilepsy (PSE) is associated with higher mortality and poor functional and cognitive outcomes in patients with stroke. With the remarkable development of acute stroke treatment, there is a growing number of survivors with PSE. Although approximately 10% of patients with stroke develop PSE, given the significant burden of stroke worldwide, PSE is a significant problem in stroke survivors. Therefore, the attention of health policymakers and significant funding are required to promote PSE prevention research. The current PSE definition includes unprovoked seizures occurring more than 7 days after stroke onset, given the high recurrence risks of seizures. However, the pathologic cascade of stroke is not uniform, indicating the need for a tissue-based approach rather than a time-based one to distinguish early seizures from late seizures. EEG is a commonly used tool in the diagnostic work-up of PSE. EEG findings during the acute phase of stroke can potentially stratify the risk of subsequent seizures and predict the development of poststroke epileptogenesis. Recent reports suggest that cortical superficial siderosis, which may be involved in epileptogenesis, is a promising marker for PSE. By incorporating such markers, future risk-scoring models could guide treatment strategies, particularly for the primary prophylaxis of PSE. To date, drugs that prevent poststroke epileptogenesis are lacking. The primary challenge involves the substantial cost burden due to the difficulty of reliably enrolling patients who develop PSE. There is, therefore, a critical need to determine reliable biomarkers for PSE. The goal is to be able to use them for trial enrichment and as a surrogate outcome measure for epileptogenesis. Moreover, seizure prophylaxis is essential to prevent functional and cognitive decline in stroke survivors. Further elucidation of factors that contribute to poststroke epileptogenesis is eagerly awaited. Meanwhile, the regimen of antiseizure medications should be based on individual cardiovascular risk, psychosomatic comorbidities, and concomitant medications. This review summarizes the current understanding of poststroke epileptogenesis, its risks, prognostic models, prophylaxis, and strategies for secondary prevention of seizures and suggests strategies to advance research on PSE.
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Affiliation(s)
- Tomotaka Tanaka
- From the Department of Neurology (T.T., M.I., K.F.), National Cerebral and Cardiovascular Center, Osaka, Japan; Department of Neurology (N.K.M.), Yale University School of Medicine, New Haven, CT; Department of Clinical & Experimental Epilepsy (M.J.K.), UCL Queen Square Institute of Neurology, London, United Kingdom; Moscow Research and Clinical Center for Neuropsychiatry (A.G.), Pirogov Russian National Research Medical University, Russia; and Department of Epilepsy, Movement Disorders and Physiology (A.I.), Kyoto University Graduate School of Medicine, Japan
| | - Masafumi Ihara
- From the Department of Neurology (T.T., M.I., K.F.), National Cerebral and Cardiovascular Center, Osaka, Japan; Department of Neurology (N.K.M.), Yale University School of Medicine, New Haven, CT; Department of Clinical & Experimental Epilepsy (M.J.K.), UCL Queen Square Institute of Neurology, London, United Kingdom; Moscow Research and Clinical Center for Neuropsychiatry (A.G.), Pirogov Russian National Research Medical University, Russia; and Department of Epilepsy, Movement Disorders and Physiology (A.I.), Kyoto University Graduate School of Medicine, Japan
| | - Kazuki Fukuma
- From the Department of Neurology (T.T., M.I., K.F.), National Cerebral and Cardiovascular Center, Osaka, Japan; Department of Neurology (N.K.M.), Yale University School of Medicine, New Haven, CT; Department of Clinical & Experimental Epilepsy (M.J.K.), UCL Queen Square Institute of Neurology, London, United Kingdom; Moscow Research and Clinical Center for Neuropsychiatry (A.G.), Pirogov Russian National Research Medical University, Russia; and Department of Epilepsy, Movement Disorders and Physiology (A.I.), Kyoto University Graduate School of Medicine, Japan
| | - Nishant K Mishra
- From the Department of Neurology (T.T., M.I., K.F.), National Cerebral and Cardiovascular Center, Osaka, Japan; Department of Neurology (N.K.M.), Yale University School of Medicine, New Haven, CT; Department of Clinical & Experimental Epilepsy (M.J.K.), UCL Queen Square Institute of Neurology, London, United Kingdom; Moscow Research and Clinical Center for Neuropsychiatry (A.G.), Pirogov Russian National Research Medical University, Russia; and Department of Epilepsy, Movement Disorders and Physiology (A.I.), Kyoto University Graduate School of Medicine, Japan
| | - Matthias J Koepp
- From the Department of Neurology (T.T., M.I., K.F.), National Cerebral and Cardiovascular Center, Osaka, Japan; Department of Neurology (N.K.M.), Yale University School of Medicine, New Haven, CT; Department of Clinical & Experimental Epilepsy (M.J.K.), UCL Queen Square Institute of Neurology, London, United Kingdom; Moscow Research and Clinical Center for Neuropsychiatry (A.G.), Pirogov Russian National Research Medical University, Russia; and Department of Epilepsy, Movement Disorders and Physiology (A.I.), Kyoto University Graduate School of Medicine, Japan
| | - Alla Guekht
- From the Department of Neurology (T.T., M.I., K.F.), National Cerebral and Cardiovascular Center, Osaka, Japan; Department of Neurology (N.K.M.), Yale University School of Medicine, New Haven, CT; Department of Clinical & Experimental Epilepsy (M.J.K.), UCL Queen Square Institute of Neurology, London, United Kingdom; Moscow Research and Clinical Center for Neuropsychiatry (A.G.), Pirogov Russian National Research Medical University, Russia; and Department of Epilepsy, Movement Disorders and Physiology (A.I.), Kyoto University Graduate School of Medicine, Japan
| | - Akio Ikeda
- From the Department of Neurology (T.T., M.I., K.F.), National Cerebral and Cardiovascular Center, Osaka, Japan; Department of Neurology (N.K.M.), Yale University School of Medicine, New Haven, CT; Department of Clinical & Experimental Epilepsy (M.J.K.), UCL Queen Square Institute of Neurology, London, United Kingdom; Moscow Research and Clinical Center for Neuropsychiatry (A.G.), Pirogov Russian National Research Medical University, Russia; and Department of Epilepsy, Movement Disorders and Physiology (A.I.), Kyoto University Graduate School of Medicine, Japan
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Rivier CA, Clocchiatti-Tuozzo S, Misra S, Zelano J, Mazumder R, Sansing LH, de Havenon A, Hirsch LJ, Liebeskind DS, Gilmore EJ, Sheth KN, Kim JA, Worrall BB, Falcone G, Mishra NK. Polygenic Risk of Epilepsy and Post-Stroke Epilepsy. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.09.18.23295739. [PMID: 37790357 PMCID: PMC10543238 DOI: 10.1101/2023.09.18.23295739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Background and Aims Epilepsy is highly heritable, with numerous known genetic risk loci. However, the genetic predisposition's role in post-acute brain injury epilepsy remains understudied. This study assesses whether a higher genetic predisposition to epilepsy raises post-stroke or Transient Ischemic Attack (TIA) survivor's risk of Post-Stroke Epilepsy (PSE). Methods We conducted a three-stage genetic analysis. First, we identified independent epilepsy-associated ( p <5x10 -8 ) genetic variants from public data. Second, we estimated PSE-specific variant weights in stroke/TIA survivors from the UK Biobank. Third, we tested for an association between a polygenic risk score (PRS) and PSE risk in stroke/TIA survivors from the All of Us Research Program. Primary analysis included all ancestries, while a secondary analysis was restricted to European ancestry only. A sensitivity analysis excluded TIA survivors. Association testing was conducted via multivariable logistic regression, adjusting for age, sex, and genetic ancestry. Results Among 19,708 UK Biobank participants with stroke/TIA, 805 (4.1%) developed PSE. Likewise, among 12,251 All of Us participants with stroke/TIA, 394 (3.2%) developed PSE. After establishing PSE-specific weights for 39 epilepsy-linked genetic variants in the UK Biobank, the resultant PRS was associated with elevated odds of PSE development in All of Us (OR:1.16[1.02-1.32]). A similar result was obtained when restricting to participants of European ancestry (OR:1.23[1.02-1.49]) and when excluding participants with a TIA history (OR:1.18[1.02-1.38]). Conclusions Our findings suggest that akin to other forms of epilepsy, genetic predisposition plays an essential role in PSE. Because the PSE data were sparse, our results should be interpreted cautiously.
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Lin J, Li X, Ye J, Li G, Huang S, Zhu S. External validation and comparison of clinical scores for predicting late seizures after intracerebral hemorrhage in Chinese patients. Epilepsy Behav 2023; 145:109349. [PMID: 37441984 DOI: 10.1016/j.yebeh.2023.109349] [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: 04/11/2023] [Revised: 06/13/2023] [Accepted: 06/25/2023] [Indexed: 07/15/2023]
Abstract
PURPOSE Clinical scores have been established to predict the probability of late seizures following intracerebral hemorrhage (ICH) for individual patients, including the CAVE, CAVS and LANE scores. The purpose of this study was to compare these prediction scores in the Chinese population and undertake an independent external validation on them. METHODS At one tertiary hospital in China, we retrospectively recruited consecutive inpatients who had been diagnosed with ICH. Medical records and tele interviews with a modified standardized questionnaire were used to identify late seizures. All the predictors of the prediction scores were collected from patient charts and databases by a standardized data collection protocol. The external validation of the prediction scores was quantified by the area under the curve (AUC), sensitivity, specificity, Youden index (YI), positive predictive value (PPV), and negative predictive value (NPV). RESULTS 69 (5.4%) of 1276 patients experienced late seizures after ICH. There was no significant difference in the CAVE, CAVS, and LANE scores, which had AUCs of 0.75 (95% CI = 0.70-0.81), 0.74 (95% CI = 0.68-0.80), and 0.76 (95% CI = 0.70-0.82), respectively. At the optimal cutoff score, the LANE score had a lower sensitivity but a higher specificity than the CAVE and CAVS scores. Among the three prediction scores, the LANE score had a higher PPV than the others (0.145 vs. 0.088, 0.083), while the NPV was similar among the three prediction scores (0.989, 0.989, and 0.972). CONCLUSION Our study showed that the CAVE, CAVS and LANE scores had similar AUCs for the occurrence of late seizures, but the LANE score had a relatively high PPV at the optimal cutoff score. Due to low evidence for using prophylactic antiseizure medications (ASM) in patients with ICH and poor availability of specialist stroke care in China, the LANE score with a cutoff score of 3 could be an applicable prediction tool in Chinese patients with ICH.
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Affiliation(s)
- Jiahe Lin
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xianxian Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiahe Ye
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Guo Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shanshan Huang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Suiqiang Zhu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Ren Z, Wen Q, Yan X, Wang Y, Zhang Y. Post-stroke epilepsy and risk of all-cause mortality: A systematic review and meta-analysis of cohort studies. Clin Neurol Neurosurg 2022; 220:107362. [PMID: 35839716 DOI: 10.1016/j.clineuro.2022.107362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/10/2022] [Accepted: 07/03/2022] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Post-stroke epilepsy (PSE) has been suggested as a predictor of poor prognosis. We aimed to evaluate the association between PSE and all-cause mortality via a meta-analysis. METHODS Relevant cohort studies were identified by search of electronic databases including PubMed, Embase, and Web of Science. Two authors independently performed database search, data collection, and study quality evaluation. A randomized-effect model incorporating the possible between-study heterogeneity was used to pool the results. RESULTS Overall, ten cohort studies including 177,929 patients with stroke contributed to the meta-analysis. Of them, 15,836 (8.9%) had PSE during a mean follow-up of 4 years. Compared to stroke survivors without PSE, patients with PSE had a significantly increased risk of all-cause death (odds ratio [OR]: 1.68, 95% confidence interval: 1.51-1.87, p < 0.001; I2 = 80%). Subgroup analyses showed consistent association in patients with ischemic and hemorrhagic stroke, in prospective and retrospective studies, in PSE diagnosed as unprovoked seizure occurred more than 7 days and 14 days after stroke, in studies with follow-up durations within or over 5 years, and in studies with different quality scores (p for subgroup effect all < 0.05). The Galbraith plot identified three outlier studies which may contribute to the heterogeneity of the meta-analysis, and all of the three studies were database-linked studies. The between-study heterogeneity was significantly reduced after removing the three database-linked studies (OR: 1.39, 95% CI: 1.18-1.62, p < 0.001; I2 = 0%). CONCLUSION PSE was associated with a higher risk of all-cause mortality.
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Affiliation(s)
- Zhong Ren
- Center of Cerebral Diseases, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130000, China
| | - Quan Wen
- Center of Cerebral Diseases, The Third Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130000, China
| | - Xue Yan
- Center of Cerebral Diseases, The Third Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130000, China
| | - Ying Wang
- Center of Cerebral Diseases, The Third Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130000, China
| | - Yidan Zhang
- Center of Cerebral Diseases, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130000, China.
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Hsu CY, Cheng CY, Lee JD, Lee M, Ovbiagele B. Effects of long-term anti-seizure medication monotherapy on all-cause death in patients with post-stroke epilepsy: a nationwide population-based study in Taiwan. BMC Neurol 2021; 21:226. [PMID: 34154568 PMCID: PMC8215791 DOI: 10.1186/s12883-021-02241-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 05/10/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE We aim to compare the effect of long-term anti-seizure medication (ASM) monotherapy on the risk of death and new ischemic stroke in patients with post-stroke epilepsy (PSE). PATIENTS AND METHODS We identified all hospitalized patients (≥ 20 years) with a primary diagnosis of ischemic or hemorrhagic stroke from 2001 to 2012 using the National Health Insurance Research Database in Taiwan. The PSE cohort were defined as the stroke patients (1) who had no epilepsy and no ASMs use before the index stroke, and (2) who had epilepsy and ASMs use after 14 days from the stroke onset. The patients with PSE receiving ASM monotherapy were enrolled and were categorized into phenytoin, valproic acid, carbamazepine, and new ASM groups. We employed the Cox regression model to estimate the unadjusted and adjusted hazard ratios (HRs) with 95 % confidence intervals (CIs) of death and new ischemic stroke within 5 years across all groups, using the new ASM group as the reference. RESULTS Of 6962 patients with PSE using ASM monotherapy, 3917 (56 %) were on phenytoin, 1623 (23 %) on valproic acid, 457 (7 %) on carbamazepine, and 965 (14 %) on new ASMs. After adjusting for confounders, compared with new ASM users, phenytoin users had a higher risk of death in 5 years (HR: 1.64; 95 % CI: 1.06-2.55). On the other hand, all ASM groups showed a similar risk of new ischemic stroke in 5 years. CONCLUSIONS Among patients with PSE on first-line monotherapy, compared to new ASMs, use of phenytoin was associated with a higher risk of death in 5 years.
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Affiliation(s)
- Chia-Yu Hsu
- Departments of Neurology, Chang Gung University College of Medicine, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chun-Yu Cheng
- Departments of Neurosurgery, Chang Gung University College of Medicine, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Jiann-Der Lee
- Departments of Neurology, Chang Gung University College of Medicine, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Meng Lee
- Departments of Neurology, Chang Gung University College of Medicine, Chang Gung Memorial Hospital, Chiayi, Taiwan.
| | - Bruce Ovbiagele
- Department of Neurology, University of California, California, San Francisco, USA
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Chen HL, Hsu YC, Chen CH, Wang PJ, Lin CL, Cheng SH, Chang KH. Gout and the risk of epilepsy: A population-based cohort study. Medicine (Baltimore) 2020; 99:e20823. [PMID: 32590769 PMCID: PMC7328940 DOI: 10.1097/md.0000000000020823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Gout is a chronic disease related to uric acid metabolism. It involves crystals of uric acid accumulating in the joints, causing joint pain and releasing cytokines that trigger inflammation. Inflammation is a key component in the pathogenesis of epilepsy. Thus, we conducted a cohort study to investigate if epilepsy is associated with gout and determine the risk of epilepsy in patients with gout.The gout cohort was obtained from the Registry of Catastrophic Illnesses Patient Database (RCIPD). We identified 104,238 patients who were aged 20 years or more and newly diagnosed with gout between 2000 and 2011 and 3 outpatient visits or history of gout-specific hospitalization between 2000 and 2011. Patients without gout were frequency matched with the gout cohort at a 2:1 ratio according to age, sex, comorbidities, and year of gout diagnosis.The gout cohort showed a 1.27-fold higher overall crude hazard ratio (HR) for epilepsy compared with the control cohort. After we adjusted the analyses by age, sex, and comorbidities the gout patients displayed an increased risk of epilepsy compared with the control group (adjusted HR = 1.25, 95% confidence interval = 1.15-1.36).This study revealed a significantly higher risk of epilepsy in patients with gout. It provides further evidence for the debate around the effect of gout on brain health.
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Affiliation(s)
- Hung-Lin Chen
- Department of Medical Research, Tungs’ Taichung MetroHarbor Hospital, Taichung
- Department of Nursing, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli Miao
| | - Yi-Chao Hsu
- Institute of Biomedical Sciences, Mackay Medical College, New Taipei
| | - Chang-Hsu Chen
- Division of Nephrology, Tungs’ Taichung MetroHarbor Hospital
| | - Pei-Jen Wang
- Department of Medical Research, Tungs’ Taichung MetroHarbor Hospital, Taichung
| | - Cheng-Li Lin
- Management Office for Health Data, China Medical University Hospital, Taichung
| | - Sheng-Han Cheng
- Division of Allergy, Immunology and Rheumatology, Tung's Taichung MetroHarbor Hospital
| | - Kuang-Hsi Chang
- Department of Medical Research, Tungs’ Taichung MetroHarbor Hospital, Taichung
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung
- General Education Center, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli, Taiwan
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Huang CY, Chang WH, Huang HY, Guo CY, Chou YJ, Huang N, Lee WL, Wang PH. Subsequent Development of Epithelial Ovarian Cancer After Ovarian Surgery for Benign Ovarian Tumor: A Population-Based Cohort Study. Clin Epidemiol 2020; 12:637-649. [PMID: 32606989 PMCID: PMC7308129 DOI: 10.2147/clep.s199349] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 05/24/2020] [Indexed: 12/21/2022] Open
Abstract
Purpose The goal of the current study is to determine the risk of subsequent development of epithelial ovarian cancer (EOC) in women after ovarian surgery for benign ovarian tumors. Patients and Methods We conducted the nationwide population-based historic cohort study using the National Health Insurance Research Database (NHIRD) of Taiwan. Eleven thousand six hundred twenty women who underwent ovarian surgery for ovarian benign diseases were analyzed. The collected data included age, types of ovarian surgery, medical history by Charlson comorbidity index (CCI), infertility (yes/no), pelvic inflammatory disease (PID) (yes/no), tubal ligation (yes/no), total/subtotal hysterectomy (TH/STH) (yes/no), and endometrioma (yes/no). We used the Kaplan-Meier method and the Log-rank test to evaluate the risk factors. Cox proportional hazard methods were used to evaluate risk factors for the subsequent development of EOC. Multivariate analysis using Cox stepwise forward regression was conducted for the covariate selected in univariate analysis. Hazard ratio (HR) and 95% confidence interval (CI) were calculated using the Wald test. Results Subsequent EOC incidence rate (IR, incidence per 10,000 person-years) of women after ovarian surgery for benign ovarian tumors was 2.98. Separating into four groups based on different age, IR of EOC was 1.57 (<30 years), 4.71 (30-39 years), 3.59 (40-49 years) and 0.94 (≥50 years), respectively. Univariate and multivariate analyses identified only high level of CCI (≥2 or more) as an independent risk factor for subsequent development of EOC in women after ovarian surgery for benign ovarian tumors (HR 59.17, 95% CI 7.50-466.80 in women with CCI level of 2 and HR 190.68, 95% CI 24.33-2494.19, in women with CCI level ≥3, respectively). Conclusion Our results, if confirmed, suggest that women with other comorbidities (CCI) should be well informed that they may have a higher risk of subsequent development of EOC when ovarian surgery is planned even though the final pathology showed a benign ovarian tumor.
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Affiliation(s)
- Chen-Yu Huang
- Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Wen-Hsun Chang
- Department of Nursing, Taipei Veterans General Hospital, Taipei, Taiwan.,Institute of Hospital and Health Care Administration, National Yang-Ming University, Taipei, Taiwan
| | - Hsin-Yi Huang
- Biostatics Task Force, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chao-Yu Guo
- Institute of Hospital and Health Care Administration, National Yang-Ming University, Taipei, Taiwan.,Institute of Public Health, National Yang-Ming University, Taipei, Taiwan
| | - Yiing-Jenq Chou
- Institute of Hospital and Health Care Administration, National Yang-Ming University, Taipei, Taiwan.,Institute of Public Health, National Yang-Ming University, Taipei, Taiwan
| | - Nicole Huang
- Institute of Hospital and Health Care Administration, National Yang-Ming University, Taipei, Taiwan.,Institute of Public Health, National Yang-Ming University, Taipei, Taiwan
| | - Wen-Ling Lee
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.,Department of Medicine, Cheng-Hsin General Hospital, Taipei, Taiwan.,Department of Nursing, Oriental Institute of Technology, New Taipei City, Taiwan
| | - Peng-Hui Wang
- Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.,Female Cancer Foundation, Taipei, Taiwan.,Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
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