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  • SAGE Publications  (21)
  • 1
    Online Resource
    Online Resource
    Moderating Effects of Smoking Status on the Relationships Between Mental Health Problems and Poor Sleep
    SAGE Publications ; 2022
    In:  SAGE Open Vol. 12, No. 1 ( 2022-01), p. 215824402210821-
    Details
    In: SAGE Open, SAGE Publications, Vol. 12, No. 1 ( 2022-01), p. 215824402210821-
    Abstract: A dearth of research exists on the effects of smoking on the relationship between sleep and mental illnesses. To examine the association of mental health problems with days of poor sleep based on whether participants smoked. A secondary analysis of the 2015 Behavioral Risk Factor Surveillance System ( N = 16,253) was conducted using linear regressions models. The study found that the associations between mental health and sleep quality, measured as days of poor sleep, varied by the respondents’ smoker status among those who reported having less than 20 days of mental health problems. The difference in days of poor sleep between smokers and non-smokers were greatest among those who experienced 10 to 19 days of mental health problems. Of those with 10 to 19 days of mental health problems in the past 30 days, an average of 8.5 days of poor sleep was estimated among smokers, which was 3 more days than that of non-smokers ( p = .001). The differences in days of poor sleep were not significantly different between smokers and non-smokers among those who reported 20 or more days of mental health problems. Days of mental health problems were directly related to days of poor sleep. This relationship was moderated by smoking status. Special attention needs to be paid to those who have comparably moderate levels of mental illnesses because non-smoking status can significantly improve sleep quality. Further research is needed to confirm the impact of smoking on the associations of mental illnesses with poor sleep.
    Type of Medium: Online Resource
    ISSN: 2158-2440 , 2158-2440
    URL: Article
    DOI: 10.1177/21582440221082140
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2022
    detail.hit.zdb_id: 2628279-3
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  • 2
    Online Resource
    Online Resource
    Recruitment of Young Adults: Lessons Learned From Research on Rural E-Cigarette Use and Cessation
    SAGE Publications ; 2023
    In:  Western Journal of Nursing Research
    Details
    In: Western Journal of Nursing Research, SAGE Publications
    Abstract: Electronic nicotine delivery system (ENDS) use continues to grow in rural areas of the United States. In particular, young adults (18-24 years) in rural areas are a hard-to-reach population in regard to understanding the growing ENDS use trend. The purpose of this article was to describe recruitment strategies that were used for a series of ENDS-relevant projects for young adults in rural areas, report recruitment yields from these strategies, and provide methodological considerations to aid researchers in improving recruitment. We used descriptive statistical methods to characterize recruitment yields (responses to screening vs initial invites, and number of individuals who fully met eligibility criteria vs responses to screening) from 2 ENDS studies that focused on 3 main recruitment strategies, including student directories, leadership offices (eg, Student Affairs), and regional tobacco control support networks (eg, Area Health Education Centers) for reaching young adults in rural communities. The recruitment yield rates varied and ranged from 2% to 14% depending on strategy with leadership offices resulting in the highest recruitment yield. Methodological considerations by strategy are described in detail. Results of this study can be used to inform tailored recruitment strategies to increase the representation of rural young adults in ENDS or other tobacco research.
    Type of Medium: Online Resource
    ISSN: 0193-9459 , 1552-8456
    URL: Article
    DOI: 10.1177/01939459231196434
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2067773-X
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  • 3
    Online Resource
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    Dual antiplatelet Use for extended period taRgeted to AcuTe ischemic stroke with presumed atherosclerotic OrigiN (DURATION) trial: Rationale and design
    SAGE Publications ; 2023
    In:  International Journal of Stroke Vol. 18, No. 8 ( 2023-10), p. 1015-1020
    Details
    In: International Journal of Stroke, SAGE Publications, Vol. 18, No. 8 ( 2023-10), p. 1015-1020
    Abstract: The optimal duration of dual antiplatelet therapy (DAPT) with clopidogrel-aspirin for the large artery atherosclerotic (LAA) stroke subtype has been debated. Aims: To determine whether the 1-year risk of recurrent vascular events could be reduced by a longer duration of DAPT in patients with the LAA stroke subtype. Methods and study design: A total of 4806 participants will be recruited to detect a statistically significant relative risk reduction of 22% with 80% power and a two-sided alpha error of 0.05, including a 10% loss to follow-up. This is a registry-based, multicenter, prospective, randomized, open-label, blinded end point study designed to evaluate the efficacy and safety of a 12-month duration of DAPT compared with a 3-month duration of DAPT in the LAA stroke subtype. Patients will be randomized (1:1) to either DAPT for 12 months or DAPT for 3 months, followed by monotherapy (either aspirin or clopidogrel) for the remaining 9 months. Study outcomes: The primary efficacy outcome of the study is a composite of stroke (ischemic or hemorrhagic), myocardial infarction, and all-cause mortality for 1 year after the index stroke. The secondary efficacy outcomes are (1) stroke, (2) ischemic stroke or transient ischemic attack, (3) hemorrhagic stroke, and (4) all-cause mortality. The primary safety outcome is major bleeding. Discussion: This study will help stroke physicians determine the appropriate duration of dual therapy with clopidogrel-aspirin for patients with the LAA stroke subtype. Trial registration: URL: https://cris.nih.go.kr/cris . CRIS Registration Number: KCT0004407
    Type of Medium: Online Resource
    ISSN: 1747-4930 , 1747-4949
    URL: Article
    DOI: 10.1177/17474930231168742
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2211666-7
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  • 4
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    Online Resource
    Outcome in Patients Treated with Intra-arterial thrombectomy: The optiMAL Blood Pressure control (OPTIMAL-BP) Trial
    SAGE Publications ; 2022
    In:  International Journal of Stroke Vol. 17, No. 8 ( 2022-10), p. 931-937
    Details
    In: International Journal of Stroke, SAGE Publications, Vol. 17, No. 8 ( 2022-10), p. 931-937
    Abstract: Very early stage blood pressure (BP) levels may affect outcome in stroke patients who have successfully undergone recanalization following intra-arterial treatment, but the optimal target of BP management remains uncertain. Aim We hypothesized that the clinical outcome after intensive BP-lowering is superior to conventional BP control after successful recanalization by intra-arterial treatment. Sample-size estimates We aim to randomize 668 patients (334 per arm), 1:1. Methods and design We initiated a multicenter, prospective, randomized, open-label trial with a blinded end-point assessment (PROBE) design. After successful recanalization (thrombolysis in cerebral infarction score ≥ 2 b), patients with elevated systolic BP level, defined as the mean of two readings ≥ 140 mmHg, will be randomly assigned to the intensive BP-lowering (systolic BP  〈  140 mm Hg) group or the conventional BP-lowering (systolic BP, 140−180 mm Hg) group. Study outcomes The primary efficacy outcomes are from dichotomized analysis of modified Rankin Scale (mRS) scores at three months (mRS scores: 0–2 vs. 3–6). The primary safety outcomes are symptomatic intracerebral hemorrhage and death within three months. Discussion The OPTIMAL-BP trial will provide evidence for the effectiveness of active BP control to achieve systolic BP  〈  140 mmHg during 24 h in patients with successful recanalization after intra-arterial treatment. Clinical trial registration ClinicalTrials.gov Identifier: NCT04205305.
    Type of Medium: Online Resource
    ISSN: 1747-4930 , 1747-4949
    URL: Article
    DOI: 10.1177/17474930211041213
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2022
    detail.hit.zdb_id: 2211666-7
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  • 5
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    Online Resource
    Should we exclude acute stroke patients with previous intracerebral hemorrhage from receiving intravenous thrombolysis?
    SAGE Publications ; 2016
    In:  International Journal of Stroke Vol. 11, No. 7 ( 2016-10), p. 783-790
    Details
    In: International Journal of Stroke, SAGE Publications, Vol. 11, No. 7 ( 2016-10), p. 783-790
    Abstract: Current guidelines have contraindicated history of intracerebral hemorrhage for intravenous recombinant tissue plasminogen activator. Aim This study aimed to investigate the safety and effectiveness of intravenous recombinant tissue plasminogen activator for patients who had previous intracerebral hemorrhage on history or initial brain magnetic resonance imaging. Methods Using a prospective multicenter stroke registry database, we identified acute ischemic stroke patients treated with intravenous recombinant tissue plasminogen activator within 4.5 h of onset. Previous intracerebral hemorrhage was defined as having a clinical history or evidence of old intracerebral hemorrhage on initial brain magnetic resonance imaging. Associations of previous intracerebral hemorrhage with symptomatic hemorrhagic transformation during hospitalization and functional outcome and mortality at discharge and three months were analyzed. Results Among 1495 patients who were treated with intravenous recombinant tissue plasminogen activator, 73 (4.9%) had previous intracerebral hemorrhage; 9 on history only, 61 on magnetic resonance imaging only and 3 on both. Of those 1495 patients, 71 (4.7%) experienced symptomatic hemorrhagic transformation; 6.8% in patients with previous intracerebral hemorrhage and 4.6% in those without previous intracerebral hemorrhage. Multivariable logistic regression analysis showed that previous intracerebral hemorrhage did not significantly increase the risk of symptomatic hemorrhagic transformation (odds ratio 1.08, 95% confidence interval 0.39–2.96) mortality, and most of functional outcome measures Conclusions Previous intracerebral hemorrhage may neither increase the risk of symptomatic hemorrhagic transformation nor alter major clinical outcomes in acute ischemic stroke patients receiving intravenous recombinant tissue plasminogen activator. This study suggests reconsideration of prior history of intracerebral hemorrhage as an exclusion criterion for intravenous recombinant tissue plasminogen activator administration in acute ischemic stroke.
    Type of Medium: Online Resource
    ISSN: 1747-4930 , 1747-4949
    URL: Article
    DOI: 10.1177/1747493016654289
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2016
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  • 6
    Online Resource
    Online Resource
    Marked Prevention of Ischemic Brain Injury by Neu2000, an NMDA Antagonist and Antioxidant Derived from Aspirin and Sulfasalazine
    SAGE Publications ; 2007
    In:  Journal of Cerebral Blood Flow & Metabolism Vol. 27, No. 6 ( 2007-06), p. 1142-1151
    Details
    In: Journal of Cerebral Blood Flow & Metabolism, SAGE Publications, Vol. 27, No. 6 ( 2007-06), p. 1142-1151
    Abstract: Excitotoxicity and oxidative stress mediate neuronal death after hypoxic—ischemic brain injury. We examined the possibility that targeting both N-methyl-d-aspartate (NMDA) receptor-mediated excitotoxicity and oxidative stress would result in enhanced neuroprotection against hypoxic—ischemia. 2-Hydroxy-5-(2,3,5,6-tetrafluoro-4-trifluoromethyl-benzylamino)-benzoic acid (Neu2000) was derived from aspirin and sulfasalazine to prevent both NMDA neurotoxicity and oxidative stress. In cortical cell cultures, Neu2000 was shown to be an uncompetitive NMDA receptor antagonist and completely blocked free radical toxicity at doses as low as 0.3 μmol/L. Neu2000 showed marked neuroprotection in a masked fashion using histology and behavioral testing in two rodent models of focal cerebral ischemia without causing neurotoxic side effects. Neu2000 protected against the effects of middle cerebral artery occlusion, even when delivered 8 h after reperfusion. Single bolus administration of the drug prevented gray and white matter degeneration and spared neurologic function for over 28 days after MACO. Neu2000 may be a novel therapy for combating both NMDA receptor-mediated excitotoxicity and oxidative stress, the two major routes of neuronal death in ischemia, offering profound neuroprotection and an extended therapeutic window.
    Type of Medium: Online Resource
    ISSN: 0271-678X , 1559-7016
    URL: Article
    DOI: 10.1038/sj.jcbfm.9600418
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2007
    detail.hit.zdb_id: 2039456-1
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  • 7
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    Online Resource
    Gender Differences in the Age-Stratified Prevalence of Risk Factors in Korean Ischemic Stroke Patients: A Nationwide Stroke Registry-Based Cross-Sectional Study
    SAGE Publications ; 2014
    In:  International Journal of Stroke Vol. 9, No. 6 ( 2014-08), p. 759-765
    Details
    In: International Journal of Stroke, SAGE Publications, Vol. 9, No. 6 ( 2014-08), p. 759-765
    Abstract: Although ethnic or cultural differences affect prevalence of cardiovascular risk factors, limited information is available about the age- and gender-stratified prevalence of the risk factors in Asian stroke population. Aims and hypothesis We assessed gender- and age-stratified prevalences of major risk factors in Korean stroke patients, and assumed that the gender differences are attenuated by adjustment with lifestyle factors. Methods Using the nationwide hospital-based stroke registry, we identified 9417 ischemic stroke patients admitted between April 2008 and January 2011. Prevalence of hypertension, diabetes, hyperlipidemia, atrial fibrillation, prior stroke, and coronary heart disease was assessed in both genders by age groups. We analyzed gender differences of the prevalence among the age groups by calculating prevalence ratio, and further explored the influence of lifestyle factors on the gender difference in multivariable analyses. Results Hypertension and hyperlipidemia were more common in men until middle age, but after that more common in women, whereas diabetes was more common in women after 65 years of age. Atrial fibrillation increased steadily with age in both genders but was more common in women through all age groups. Prior stroke and coronary heart disease showed inconsistent gender differences. Gender differences in hypertension and diabetes among the age groups were attenuated by adjustment with accompanying risk factors including lifestyle factors. Conclusion Korean women with stroke had more hypertension and hyperlipidemia after middle age, more diabetes after 65 years, and more atrial fibrillation throughout all ages. Strategies to control risk factors in women at risk for stroke are eagerly needed.
    Type of Medium: Online Resource
    ISSN: 1747-4930 , 1747-4949
    URL: Article
    DOI: 10.1111/ijs.12146
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2014
    detail.hit.zdb_id: 2211666-7
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  • 8
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    Online Resource
    Current Status of Acute Stroke Management in Korea: A Report on a Multicenter, Comprehensive Acute Stroke Registry
    SAGE Publications ; 2014
    In:  International Journal of Stroke Vol. 9, No. 4 ( 2014-06), p. 514-518
    Details
    In: International Journal of Stroke, SAGE Publications, Vol. 9, No. 4 ( 2014-06), p. 514-518
    Abstract: There are limited data on the utilization of diagnostics and the variation of treatments at the national level in acute stroke care. Clinical Research Center for Stroke – 5th division stroke registry aimed to describe stroke statistics and quality of care in Korea and to implement quality indicators. Clinical Research Center for Stroke – 5th division registry was established in April 2008 and covers pretreatment demographics, medical and stroke severity measures, diagnostic evaluation, hyperacute revascularization, in-hospital management, discharge disposition, quality indicators, and long-term functional outcomes. Consecutive stroke cases from 12 participating centers are registered to a web-based database. Meticulous data management and auditing policy were applied. A total of 14 792 ischemic stroke cases were enrolled from April 2008 to January 2012. The median National Institutes of Health Stroke Scale score was 4 at admission, with median delay of onset to arrival of 14 h. Rate of risk factor management before stroke exceeds more than 80% for hypertension and diabetes. Revascularization procedures were performed in 1736 subjects (12%), and 34% were endovascular ( n = 598). Substantial variability was noted in the preferred modality of hyperacute revascularization (range of endovascular recanalization = 6–60%), use of computed tomography (30–93%), and perfusion imaging (2–96%). The Clinical Research Center for Stroke – 5th division registry documented that the current practice of acute stroke care in South Korea largely met the standard of guidelines, but variability of practice still remains. The registry would provide an opportunity to evaluate the quality of stroke care across South Korea and compare it with that of other countries.
    Type of Medium: Online Resource
    ISSN: 1747-4930 , 1747-4949
    URL: Article
    DOI: 10.1111/ijs.12199
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2014
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  • 9
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    Natural-killer cell cytotoxicity as a diagnostic and prognostic marker for adult patients with secondary hemophagocytic lymphohistiocytosis: a prospective phase II observational study
    SAGE Publications ; 2021
    In:  Therapeutic Advances in Hematology Vol. 12 ( 2021-01), p. 204062072110205-
    Details
    In: Therapeutic Advances in Hematology, SAGE Publications, Vol. 12 ( 2021-01), p. 204062072110205-
    Abstract: Hemophagocytic lymphohistiocytosis (HLH) can be life-threatening if not detected and treated appropriately. The diagnosis of HLH can be confusing due to other similar febrile diseases that present with cytopenia. Natural-killer cell (NK)-cytotoxicity is an important diagnostic parameter for primary HLH; however, its role in secondary HLH in adults has not been well-elucidated. Methods: We prospectively enrolled 123 adult patients with febrile conditions accompanied by cytopenia or marrow hemophagocytosis. A diagnosis of HLH was based on HLH-2004 criteria and treated based on HLH-94 protocol. NK-cytotoxicity was calculated at the time of diagnosis by K562-cell direct lysis using flow-cytometry. Results: HLH ( n = 60) was determined to be caused by Epstein–Barr virus (EBV) ( n = 11), infection other than EBV ( n = 16), malignancies ( n = 19), and unknown ( n = 14). Febrile diseases other than HLH ( n = 63) were diagnosed as autoimmune disease ( n = 22), malignancies ( n = 21), infection ( n = 12), non-malignant hematological diseases ( n = 6), and unknown ( n = 2). A lower NK-cytotoxicity level was observed at diagnosis in patients with HLH, compared with other causes of febrile disease (12.1% versus 26.2%, p  〈  0.001). However, NK-cytotoxicity had a borderline effect on diagnosis of HLH, with an area under receiver operation characteristic curve of 0.689. It also showed no significant role for the prediction of survival outcome. Multivariate analysis revealed that malignant disease and high ferritin level were related with poor survival outcome. In non-malignant disease subgroups, old age, EBV-association, and low NK-cytotoxicity were related with poor survival. Conclusions: Febrile disease with cytopenia was associated with decreased NK-cytotoxicity, especially in adults with HLH; however, its diagnostic role for adult HLH is still arguable. The diagnostic criteria for adult HLH should be further discussed. Trial registration: Clinical Research Information Service [Internet]; Osong (Chungcheongbuk-do), Korea, Centers for Disease Control and Prevention, Ministry of Health and Welfare (Republic of Korea); https://cris.nih.go.kr/cris/index.jsp ; Feb, 16th 2016; KCT0001886 (KC15TISE0936);
    Type of Medium: Online Resource
    ISSN: 2040-6207 , 2040-6215
    URL: Article
    DOI: 10.1177/20406207211020544
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2021
    detail.hit.zdb_id: 2585183-4
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  • 10
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    P-LEACH: An Efficient Cluster-Based Technique to Track Mobile Sinks in Wireless Sensor Networks
    SAGE Publications ; 2014
    In:  International Journal of Distributed Sensor Networks Vol. 10, No. 9 ( 2014-09-01), p. 803656-
    Details
    In: International Journal of Distributed Sensor Networks, SAGE Publications, Vol. 10, No. 9 ( 2014-09-01), p. 803656-
    Abstract: For a wireless sensor network (WSN) with a large number of inexpensive sensor nodes, energy efficiency is the major concern in designing network structure and related algorithms. If network collects sensor data using mobile sinks, object tracking mechanism must consider the energy efficiency of sensor nodes in the networks as a whole. Recently research works on WSNs with mobile sinks apply prediction techniques for sink tracking in order to improve tracking precision while keeping the number of active nodes to the minimum. In this paper, we analyze existing works for sink tracking in WSN and propose P-LEACH that is cluster-based prediction technique for WSN with mobile sinks. Simulation results show that P-LEACH performs better than previous techniques in terms of energy saving of sensor nodes and data transmission performance.
    Type of Medium: Online Resource
    ISSN: 1550-1477 , 1550-1477
    URL: Article
    DOI: 10.1155/2014/803656
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2014
    detail.hit.zdb_id: 2192922-1
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