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The Relation Between Travel Distance and Overall Survival for HPV-Associated Cancers in a High-Burden State. JOURNAL OF REGISTRY MANAGEMENT 2023; 50:11-18. [PMID: 37577287 PMCID: PMC10414199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Purpose To assess the association between travel distance to an academic health system and overall survival for patients with human papillomavirus (HPV)-associated cancers. Methods Using hospital-based cancer registry data from 2005-2019, we calculated unidirectional travel distance from each patient's geocoded address to our academic health center through network analysis. We categorized distance as short (<25 miles), intermediate (25-74.9 miles), or long (≥75 miles). The primary outcome was time from the date of initial diagnosis to the date of death or last contact. We used multivariable Cox proportional hazards regression to evaluate the association between travel distance and overall survival. We also estimated the adjusted observed 5-year survival rate. Results Patients with HPV-associated cancers traveling distances that were intermediate (hazard ratio [HR], 1.23; 95% CI, 1.06-1.43) and long (HR, 1.15; 95% CI, 1.01-1.32) had a higher hazard of death than the short-distance group. The adjusted 5-year observed survival rates for HPV-associated cancers were lowest in the intermediate-distance group (60.4%) compared with the long-(62.6%) and short-distance (66.2%) groups. Conclusions Our findings indicate that travel distance to an academic health center was associated with overall survival for patients with HPV-associated cancers, reflecting the importance of considering travel burden in improving patient outcomes.
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Uterine Surgery and Risk of Adenomyosis: A Retrospective Study. J Minim Invasive Gynecol 2022. [DOI: 10.1016/j.jmig.2022.09.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Reduction in Reaction Severity Following 12 Months of Epicutaneous Immunotherapy with Peanut Patch in Toddlers. Ann Allergy Asthma Immunol 2022. [DOI: 10.1016/j.anai.2022.08.686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Cancer-associated venous thromboembolism: Incidence and features in a racially diverse population. J Thromb Haemost 2022; 20:2366-2378. [PMID: 35830203 PMCID: PMC9804159 DOI: 10.1111/jth.15818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/28/2022] [Accepted: 07/08/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Data on the population-based incidence of cancer-associated venous thromboembolism (VTE) from racially diverse populations are limited. OBJECTIVE To evaluate the incidence and burden of cancer-associated VTE, including demographic and racial subgroups in the general population of Oklahoma County-which closely mirrors the United States. DESIGN A population-based prospective study. SETTING We conducted surveillance of VTE at tertiary care facilities and outpatient clinics in Oklahoma County, Oklahoma, from 2012-2014. Surveillance included reviewing all imaging reports used to diagnose VTE and identifying VTE events from hospital discharge data and death certificates. Cancer status was determined by linkage to the Oklahoma Central Cancer Registry. MEASUREMENTS We used Poisson regression to calculate crude and age-adjusted incidence rates of cancer-associated VTE per 100 000 general population per year, with 95% confidence intervals (95% CI). RESULTS The age-adjusted incidence (95% CI) of cancer-associated VTE among adults age ≥ 18 was 70.0 (65.1-75.3). The age-adjusted incidence rates (95% CI) were 85.9 (72.7-101.6) for non-Hispanic Blacks, 79.5 (13.2-86.5) for non-Hispanic Whites, 18.8 (8.9-39.4) for Native Americans, 15.6 (7.0-34.8) for Asian/Pacific Islanders, and 15.2 (9.2-25.1) for Hispanics. Recurrent VTE up to 2 years after the initial diagnosis occurred in 38 of 304 patients (12.5%) with active cancer and in 34 of 424 patients (8.0%) with a history of cancer > 6 months previously. CONCLUSION Age-adjusted incidence rates of cancer-associated VTE vary substantially by race and ethnicity. The relatively high incidence rates of first VTE and of recurrence warrant further assessment of strategies to prevent VTE among cancer patients.
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Meta-analysis Analyzing the Effect of Therapies on 6-Minute Walk Distance in Heart Failure With Reduced Ejection Fraction. Am J Cardiol 2022; 178:72-79. [DOI: 10.1016/j.amjcard.2022.05.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 11/30/2022]
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Surgical treatment of post-infectious hydrocephalus in infants. Childs Nerv Syst 2021; 37:3397-3406. [PMID: 34148129 DOI: 10.1007/s00381-021-05237-1] [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: 03/14/2021] [Accepted: 05/27/2021] [Indexed: 11/29/2022]
Abstract
The management of post-infective hydrocephalus in infants remains a challenging task for the pediatric neurosurgeon. The decision-making curve is often complex in that appropriate temporizing measures need to be implemented to properly clear any infection within the CSF before any decision can be made regarding a permanent solution. The etiology differs at varying stages of neonatal development, and the weight of the child, skin fragility, and relevant surgical treatment options are often important limiting factors. Deciding on the optimal treatment option involves assessing the etiology, age, and clinical and radiological features of the individual case and selecting the most appropriate surgical option.
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A comparison of the degradation behaviour of 3D printed PDLGA scaffolds incorporating bioglass or biosilica. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 120:111755. [DOI: 10.1016/j.msec.2020.111755] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/21/2020] [Accepted: 11/21/2020] [Indexed: 10/22/2022]
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Abstract 5776: Factors associated with low-dose CT lung cancer screening adherence in a high burden state. Cancer Res 2020. [DOI: 10.1158/1538-7445.am2020-5776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Lung cancer is the leading cause of cancer death in the U.S. The burden of lung cancer varies substantially by region and state, primarily due to historical differences in the prevalence of cigarette smoking. As of 2013, the United States Preventive Services Task Force (USPSTF) recommends lung cancer screening (LCS) with low-dose computed tomography (LDCT) for those meeting eligibility criteria. Given the recency of this recommendation, studies regarding eligibility and participation are sparse. Identifying screening participation rates and subpopulations with lower participation is an essential first step for planning targeted interventions. Therefore, the purpose of this study was to examine LCS eligibility, utilization, and factors associated with self-reported adherence in Oklahoma, a state with a high smoking prevalence rate and low lung cancer survival rate.
Methods: Starting in 2017, CDC released an optional Behavioral Risk Factor Surveillance System (BRFSS) module for LCS. Data from 596 LDCT eligible participants from the 2017 and 2018 Oklahoma BRFSS surveys were used for this study. This analysis was restricted to data from individuals eligible for screening based on USPSTF guidelines. Univariate analyses using Rao-Scott Chi-square tests were performed to test for differences in the characteristics of those screened and not screened. Weighted logistic regression models were conducted to examine the importance of independent variables in odds of LCS services.
Results: Approximately 5.0% of Oklahomans were eligible for LCS. Only 11.31% (95% CI: 8.02, 14.60) of eligible Oklahomans reported participating in LCS. Asthma diagnosis (p=0.0327), chronic obstructive pulmonary disease (COPD) diagnosis (p<0.0001), and general health status (p=0.0141) were all significantly associated with screening participation; however, urban/rural status (p=0.091), insurance status (p=0.9272), veteran status (p=0.2508), multiple chronic conditions (p=0.0624), and current smoking status (p=0.5099) were not. After adjusting for age, socio-economic factors (income, education, race), asthma status and general health status, the odds of participating in LCS was higher (OR=2.85; 95% CI: 1.40, 5.76; p=0.0037) among those with COPD compared to those without COPD. After the same adjustments the odds of LCS, specifically for males, was even greater among individuals with COPD (OR= 5.86; 95% CI: 2.36, 14.57; p=0.0002) than those without COPD; however, this relationship was not true for females (OR= 0.75; 95% CI: 0.27, 2.08; p=0.5744).
Conclusion: Despite the known benefits of LCS, utilization remains suboptimal among individuals in a high-risk state. State estimates and identification of factors associated with LCS adherence may help inform LCS interventions.
Citation Format: Ami E. Sedani, Lance Ford, Laura Beebe. Factors associated with low-dose CT lung cancer screening adherence in a high burden state [abstract]. In: Proceedings of the Annual Meeting of the American Association for Cancer Research 2020; 2020 Apr 27-28 and Jun 22-24. Philadelphia (PA): AACR; Cancer Res 2020;80(16 Suppl):Abstract nr 5776.
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Management of Aneurysmal Subarachnoid Hemorrhage: Variation in Clinical Practice and Unmet Need for Follow-up among Survivors-A Single-Center Perspective. World Neurosurg 2020; 139:e608-e617. [PMID: 32339727 DOI: 10.1016/j.wneu.2020.04.067] [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: 03/11/2020] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The purpose of the present study is to investigate the existence and/or prevalence of clinical practice variation in management of aneurysmal subarachnoid hemorrhage (aSAH) and to determine the need for long-term follow-up. METHODS A single-center study was carried out of patients with aSAH over a 5-year period divided into 2 halves (2.5 years each) before and after addition of a dually trained cerebrovascular neurosurgeon. In-hospital clinical practice, clinical outcome (mortality and discharge destination) and long-term outcome (modified Rankin Scale score and Telephone Interview for Cognitive Status [TICS]) were compared using descriptive summaries and nonparametric tests. RESULTS Among 251 patients admitted with aSAH, 115 (45.8%) were before the index event, whereas 136 (54.2%) were during the later period. The aneurysm-securing procedure changed from coil embolization to clip ligation (12/115 [10.4%] vs. 84/136 [61.8%]; P < 0.0001) during the latter years. Interventional treatment for cerebral vasospasm has decreased (58/115 [50.4%] vs. 49/136 [36.0%]; P = 0.0002). Patients surviving hospitalization had more clinic follow-up after discharge during the latter period (42/85 [49.4%] vs. 76/105 [72.4%]; P = 0.0012) and ventriculoperitoneal shunt placement for delayed hydrocephalus (1/85 [1.2%] vs. 9/105 [8.6%]; P = 0.02). A subcohort of aSAH survivors (n = 46) had lower median TICS score during the earlier study period (31.5 [interquartile range, 22-36] vs. 33 [interquartile range, 27-38]; P = 0.038). Similarly, preictal smoking status and hyperlipidemia were associated with adverse TICS score in a multivariate model (P = 0.007). CONCLUSIONS Postdischarge clinical follow-up has improved facilitating recognition and treatment of delayed hydrocephalus. Existence of cognitive deficits among survivors calls for establishment of multidisciplinary clinics for long-term management of aSAH.
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Abstract WP500: Long-Term Cognitive Outcome Among Aneurysmal Subarachnoid Hemorrhage Survivors: Need for Cognitive Rehabilitation? Stroke 2020. [DOI: 10.1161/str.51.suppl_1.wp500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction:
Aneurysmal subarachnoid hemorrhage (aSAH) is associated with high in-patient mortality and with long-term cognitive deficits among survivors. With widespread adoption of standard neurocritical care practice in-hospital mortality has decreased while long-term cognitive impairment (CI) among survivors is not well characterized.
Hypothesis:
To investigate whether temporal change in practice has resulted in improvement in long-term CI.
Methods:
Single-center retrospective chart review of aSAH patients admitted to a comprehensive stroke center between January 2012 and December 2016, were identified from a prospective database. Cognitive status was evaluated between January and December 2018 using Telephone Interview of Cognitive Status (TICS). The study cohort was divided into two 2.5 year periods and TICS score of >32, 28-32 and <28 were classified as normal cognitive function, mild and moderate-to-severe CI respectively. The median TICS scores by groups were examined by Wilcoxon or Kruskal-Wallace tests. Categorical variables compared using Chi-squared or Fisher’s exact tests.
Results:
252 patients were admitted during the study period of which 46 patients could be reached and consented to participate in TICS. Median TICS score was lower in earlier study period compared to later period [31.5 (IQR 22, 36) vs. 33 (IQR 27, 38), p=0.038]. Similarly, TICS score <28 was seen more often in earlier period as compared to later period [7/22 (6%) vs. 1/24 (0.7%), p=0.044]. Patient who were smokers and had hyperlipidemia had lower TICS score compared to other groups in multivariate model (p=0.007). We found no statistical association between duration of time between discharge date and date of cognitive assessment and TICS groups (Kruskal-Wallace test; p-value=0.074). However, if we treat TICS as a continuous variable in a linear model we observed a significant association between time elapsed and overall TICS score (p=0.0197). For every month increase, there is a decrease in overall TICS by 0.09.
Conclusion:
Smoking and hyperlipidemia are identified as risk factors for CI among aSAH survivors alluding to a role of vascular pathogenesis. Progressive CI over time might justify long-term cognitive rehabilitation in this population of patients.
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Systemic response of coated-platelet and peripheral blood inflammatory cell indices after aneurysmal subarachnoid hemorrhage and long-term clinical outcome. J Crit Care 2019; 52:1-9. [PMID: 30904732 PMCID: PMC8663918 DOI: 10.1016/j.jcrc.2019.03.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 03/11/2019] [Accepted: 03/13/2019] [Indexed: 12/22/2022]
Abstract
PURPOSE Post-hemorrhage period after aneurysmal subarachnoid hemorrhage (aSAH) has several systemic manifestations including prothrombotic and pro-inflammatory states. Inter-relationship between these states using established/routine laboratory biomarkers and its long-term effect on clinical outcome is not well-defined. MATERIALS AND METHODS Retrospective analysis of prospective cohort of 44 aSAH patients. Trend of procoagulant biomarkers [coated-platelets, mean platelet volume to platelet count (MPV:PLT)] and peripheral inflammatory biomarkers [platelet-lymphocyte ratio (PLR), neutrophil-platelet ratio (NLR)] were analyzed using regression analysis. Occurrence of delayed cerebral ischemia (DCI), modified Rankin score (mRS) of 3-6 and Montreal cognitive assessment (MoCA) of <26 at 1-year defined adverse clinical outcome. RESULTS Patients with worse mRS and MoCA score had higher rise in coated-platelet compared to those with better scores [20.4 (IQR: 15.6, 32.9) vs. 10.95 (IQR: 6.1, 18.9), p = 0.003] and [16.9 (IQR: 13.4, 28.1) vs. 10.95 (IQR: 6.35, 18.65), p = 0.02] respectively. NLR and PLR trends showed significant initial decline followed by a gradual rise in NLR among those without DCI as compared to persistent low levels in those developing DCI (0.13 units/day vs. -0.07 units/day, p = 0.06). CONCLUSIONS Coated-platelet rise after aSAH is associated with adverse long-term clinical outcome. NLR and PLR trends show an early immune-depressed state after aSAH.
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Abstract TP547: Peripheral Blood Indices for Platelet Reactivity and Systemic Inflammation Correlate With Coated-Platelet Trends After Aneurysmal Subarachnoid Hemorrhage. Stroke 2019. [DOI: 10.1161/str.50.suppl_1.tp547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Early Supported Discharge for patients with febrile neutropenia - Experience at a large district hospital in the UK. Acute Med 2019; 18:14-19. [PMID: 32608388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Neutropenic sepsis can be life threatening, with mortality 2-21%. The heterogeneity of patients referred with "suspected neutropenic sepsis" has led to strategies being developed to risk-stratify patients and identify those with a low risk of septic complications that could be managed in the outpatient setting, such as The Multinational Association for Supportive Care in Cancer score (MASCC). Outcomes for patients referred with suspected neutropenic sepsis were assessed before and after use of MASCC guided early-supported discharge. 50/123 (41%) patients over 24 months were eligible for early-supported discharge. 26/50 patients had same-day discharge, 14 had overnight admission, 8 stayed 2 nights and 2 stayed 3 nights. Patients received on average 2 follow-up telephone consultations. There were 5 readmissions (10%) and no adverse events. In comparison group; 8 patients over 3-months would have been suitable, potentially saving 40 bed-days. This shows MASCC guided early-supported discharge is safe and cost-effective.
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Changes to country-specific hepatitis A travel vaccination recommendation for UK travellers in 2017-responding to a vaccine shortage in the national context. Public Health 2018; 168:150-156. [PMID: 30442468 DOI: 10.1016/j.puhe.2018.09.017] [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: 12/07/2017] [Revised: 08/29/2018] [Accepted: 09/06/2018] [Indexed: 10/27/2022]
Abstract
OBJECTIVES A routine review of hepatitis A travel vaccination recommendations was brought forward in June 2017 due to hepatitis A vaccine shortages and a concurrent outbreak in men who have sex with men (MSM). There were three objectives: first, to document the review process for changing the recommendations for the UK travellers in June 2017. Second, to study the impact of these changes on prescribing in general practice in 2017 compared with the previous 5 years. Third, to study any changes in hepatitis A notifications in June-October 2017 compared with the previous 5 years. STUDY DESIGN This is an observational study. METHODS Travel vaccination recommendations for countries with either low-risk (<20%) or high-risk (>90%) status according to child hepatitis A seroprevalence were not changed. A total of 67 intermediate-risk countries with existing recommendations for most travellers and with new data on rural sanitation levels were shortlisted for the analysis. Data on child hepatitis A seroprevalence, country income status, access to sanitation in rural areas and traveller volumes were obtained. Information about the vaccine supply was obtained from Public Health England. Changes to the existing classification were made through expert consensus, based on countries' hepatitis A seroprevalence, sanitation levels, level of income, volume of travel and hepatitis A traveller cases. Data on the number of combined and monovalent hepatitis A-containing vaccines prescribed in England, 2012-2017, were obtained from the National Health Service Business Service Authorities. The number of monthly prescriptions for January-September 2017 was compared with the mean number of prescriptions for the same month in the previous 5 years (t-test, α = 5%, df = 4). The number of hepatitis A cases notified in June-October 2017 not related to the MSM outbreak was compared with the number of notifications in the same months in previous years. RESULTS A total of 36 countries were downgraded based on good access (80+% of population) to sanitation in rural areas and the intermediate-risk status in terms of child hepatitis A seroprevalence. For these countries, vaccination would only be recommended to travellers staying long term, visiting friends and relatives or staying in areas without good sanitation. There was a significant decline in hepatitis A vaccine prescriptions in June-September 2017, and there was no increase in the number of notifications. CONCLUSIONS Hepatitis A vaccination recommendations for travel were revised in 2017 following a systematic approach to maintain continuity of supply after a hepatitis A vaccine shortage and increased hepatitis A vaccine demand related to a large outbreak. Improved access to good sanitation in rural areas and low seroprevalence estimates among children have led to 36 countries to no longer require vaccination for most travellers. These changes do not seem to have impacted on hepatitis A notifications in England, although further research will be needed to quantify the impact more precisely.
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Radiological Estimation of Intracranial Blood Volume and Occurrence of Hydrocephalus Determines Stress-Induced Hyperglycemia After Aneurysmal Subarachnoid Hemorrhage. Transl Stroke Res 2018; 10:10.1007/s12975-018-0646-7. [PMID: 29992443 DOI: 10.1007/s12975-018-0646-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 06/22/2018] [Accepted: 07/02/2018] [Indexed: 12/17/2022]
Abstract
Acute phase after aneurysmal subarachnoid hemorrhage (aSAH) is associated with several metabolic derangements including stress-induced hyperglycemia (SIH). The present study is designed to identify objective radiological determinants for SIH to better understand its contributory role in clinical outcomes after aSAH. A computer-aided detection tool was used to segment admission computed tomography (CT) images of aSAH patients to estimate intracranial blood and cerebrospinal fluid volumes. Modified Graeb score (mGS) was used as a semi-quantitative measure to estimate degree of hydrocephalus. The relationship between glycemic gap (GG) determined SIH, mGS, and estimated intracranial blood and cerebrospinal fluid volumes were evaluated using linear regression. Ninety-four [94/187 (50.3%)] among the study cohort had SIH (defined as GG > 26.7 mg/dl). Patients with SIH had 14.3 ml/1000 ml more intracranial blood volume as compared to those without SIH [39.6 ml (95% confidence interval, CI, 33.6 to 45.5) vs. 25.3 ml (95% CI 20.6 to 29.9), p = 0.0002]. Linear regression analysis of mGS with GG showed each unit increase in mGS resulted in 1.2 mg/dl increase in GG [p = 0.002]. Patients with SIH had higher mGS [median 4.0, interquartile range, IQR 2.0-7.0] as compared to those without SIH [median 2.0, IQR 0.0-6.0], p = 0.002. Patients with third ventricular blood on admission CT scan were more likely to develop SIH [67/118 (56.8%) vs. 27/69 (39.1%), p = 0.023]. Hence, the present study, using unbiased SIH definition and objective CT scan parameters, reports "dose-dependent" radiological features resulting in SIH. Such findings allude to a brain injury-stress response-neuroendocrine axis in etiopathogenesis of SIH.
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Abstract P5-15-02: Withdrawn. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p5-15-02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
This abstract was withdrawn by the authors.
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Abstract TP397: Modified Graeb Score Predicts Stress-Induced Hyperglycemia After Subarachnoid Hemorrhage. Stroke 2018. [DOI: 10.1161/str.49.suppl_1.tp397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction:
Post-hemorrhagic hydrocephalus is a frequent complication after aneurysmal subarachnoid hemorrhage (aSAH) that can result in homeostatic derangement including stress induced hyperglycemia (SIH). Modified Graeb score (MGS) is a semi-quantitative scoring system that can estimate extent of hydrocephalus and amount of intraventricular blood.
Hypothesis:
We assessed whether MGS can predict SIH after aSAH.
Methods:
On the basis of our previous research with this same cohort, SIH was defined as a ratio of admission serum glucose (AG) to glycated hemoglobin, HbA1c (AG:HbA1c) of 26 or higher. This retrospective study reviewed charts of aSAH patients admitted to a tertiary care hospital. MGS was calculated retrospectively using admission computed tomography (CT) scans. Exploratory loess regression was used to characterize the association between MGS and SIH. Non-parametric tests were used to investigate difference in MGS between those with and without SIH. Fisher’s exact tests assessed differences in prevalence of SIH between patient groups.
Results:
Average age of cohort was 52.3±13.1 years with 65% women. SIH was observed in 72/165 (43.6%) patients. One hundred and eight of the 165 patients (65.5%) were modified Fisher grade 3-4 on admission CT scans. Fifty-five patients (50.9%) with modified Fisher grade 3-4 developed SIH as compared to 17 (29.8%) of patients with modified Fisher grade 1-2 (p=0.013). Locally weighted or LOESS regression showed a positive relationship between the AG:HbA1c ratio at MGS up to about 12. MGS threshold of ≥10 predicted SIH with 88.2% specificity. Although median MGS was higher in patients developing SIH (4; interquartile range or IQR 5.5) as compared to those without SIH (2; IQR 6.0), the difference did not reach statistical significance (p=0.079).
Conclusion:
Higher MGS, indicative of more severe obstructive hydrocephalus, is associated with increased incidence of SIH. This alludes to contribution of hydrocephalus in neurohumoral derangement and associated dysglycemia after aSAH.
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Coated-Platelet Trends Predict Short-Term Clinical OutcomeAfter Subarachnoid Hemorrhage. Transl Stroke Res 2017; 9:459-470. [DOI: 10.1007/s12975-017-0594-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 11/22/2017] [Accepted: 11/24/2017] [Indexed: 12/21/2022]
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P204 Dupilumab reduces exacerbations and improves lung function in uncontrolled persistent asthma patients across baseline exacerbations. Ann Allergy Asthma Immunol 2017. [DOI: 10.1016/j.anai.2017.08.242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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P51: REVIEW OF THE USE OF ARENALINE AUTOINJECTORS (AAI) IN NSW DEPARTMENT OF EDUCATION SCHOOLS IN TERMS 1 AND 2 2017. Intern Med J 2017. [DOI: 10.1111/imj.51_13578] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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P3: DIFFERENCES IN KNOWLEDGE BETWEEN SCHOOL TEACHERS AND REGISTERED FIRST AID TRAINERS UNDERGOING TRAINING TO DELIVER SCHOOL-BASED ANAPHYLAXIS EDUCATION. Intern Med J 2017. [DOI: 10.1111/imj.3_13578] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Abstract
D. Herzog and J. Mattingly have shown that a [Formula: see text]-valued polynomial ODE with finite-time blow-up solutions may be stabilized by the addition of [Formula: see text]-valued Brownian noise. In this paper, we extend their results to a [Formula: see text]-valued system of coupled ODEs with finite-time blow-up solutions. We show analytically and numerically that stabilization can be achieved in our setting by adding a suitable Brownian noise, and that the resulting system of SDEs is ergodic. The proof uses the Girsanov theorem to induce a time change from our [Formula: see text]-system to a quasi-[Formula: see text]-system similar to the one studied by Herzog and Mattingly.
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OUTCOMES OF THE HEALTHY BRAIN, HEALTHY MIND PROGRAM FOR URBAN AND RURAL OLDER OKLAHOMANS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.4392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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The Effects of Inhaled Fluticasone Propionate on Seasonal Exacerbations in Preschool-Aged Children at High Risk for Asthma. J Allergy Clin Immunol 2017. [DOI: 10.1016/j.jaci.2016.12.917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Bayesian Source Attribution of Salmonellosis in South Australia. RISK ANALYSIS : AN OFFICIAL PUBLICATION OF THE SOCIETY FOR RISK ANALYSIS 2016; 36:561-570. [PMID: 26133008 DOI: 10.1111/risa.12444] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 04/09/2015] [Accepted: 05/24/2015] [Indexed: 06/04/2023]
Abstract
Salmonellosis is a significant cause of foodborne gastroenteritis in Australia, and rates of illness have increased over recent years. We adopt a Bayesian source attribution model to estimate the contribution of different animal reservoirs to illness due to Salmonella spp. in South Australia between 2000 and 2010, together with 95% credible intervals (CrI). We excluded known travel associated cases and those of rare subtypes (fewer than 20 human cases or fewer than 10 isolates from included sources over the 11-year period), and the remaining 76% of cases were classified as sporadic or outbreak associated. Source-related parameters were included to allow for different handling and consumption practices. We attributed 35% (95% CrI: 20-49) of sporadic cases to chicken meat and 37% (95% CrI: 23-53) of sporadic cases to eggs. Of outbreak-related cases, 33% (95% CrI: 20-62) were attributed to chicken meat and 59% (95% CrI: 29-75) to eggs. A comparison of alternative model assumptions indicated that biases due to possible clustering of samples from sources had relatively minor effects on these estimates. Analysis of source-related parameters showed higher risk of illness from contaminated eggs than from contaminated chicken meat, suggesting that consumption and handling practices potentially play a bigger role in illness due to eggs, considering low Salmonella prevalence on eggs. Our results strengthen the evidence that eggs and chicken meat are important vehicles for salmonellosis in South Australia.
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PO66THE DAILY NEURO-ONCOLOGY CNS WARD ROUND IMPROVES COMMUNICATION ACROSS THE MDT, REDUCES THE LENGTH OF STAY AND INCREASES THE OVERALL PATIENT EXPERIENCE AND QUALITY OF CARE. Neuro Oncol 2015. [DOI: 10.1093/neuonc/nov284.59] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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B-28 * Lateralized Cognitive Deficits Related to Prenatal Alcohol Exposure in a Pediatric Patient. Arch Clin Neuropsychol 2014. [DOI: 10.1093/arclin/acu038.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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C-28 * Psychosis, Epilepsy, and Brain Damage: A Neuropsychological Evaluation Case Study. Arch Clin Neuropsychol 2014. [DOI: 10.1093/arclin/acu038.209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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B-41 * Cognitive Impairments and Circumscribed Strength Areas in a Child with Prolonged Status Epilepticus and Developmental Delays. Arch Clin Neuropsychol 2014. [DOI: 10.1093/arclin/acu038.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Implications of retinal effects observed in chronic toxicity studies on the clinical development of a CNS-active drug candidate. Regul Toxicol Pharmacol 2014; 69:187-200. [DOI: 10.1016/j.yrtph.2014.03.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Revised: 03/15/2014] [Accepted: 03/17/2014] [Indexed: 11/25/2022]
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PP165—Evaluation of JNJ-26489112, a Novel Antiepileptic Drug: A Placebo-Controlled, Exploratory Study. Clin Ther 2013. [DOI: 10.1016/j.clinthera.2013.07.204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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375 Mortality Outcomes From Post-Cardiac Arrest Therapeutic Hypothermia in a Community-Based, Multiple Hospital System. Ann Emerg Med 2012. [DOI: 10.1016/j.annemergmed.2012.06.407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Assessing different population-based troponin T 99th percentiles for women in labor. Clin Biochem 2012. [DOI: 10.1016/j.clinbiochem.2012.07.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Working in the real world: a review of sociological concepts of health and well-being and their relation to modern mental health nursing. J Psychiatr Ment Health Nurs 2012; 19:482-91. [PMID: 22106874 DOI: 10.1111/j.1365-2850.2011.01818.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Since 2008, the world has witnessed several socio-economic upheavals that have fundamentally changed the global economy. Within the UK, these upheavals have coincided with a change in political administration and thus a new approach to managing the volatility of economy. This change has resulted in root and branch reform of service provision that is based around a model that incorporates a shrinking public sector coupled with an increase in civic participation (i.e. 'The Big Society' espoused by the UK-governing coalition). It is also unlikely that healthcare provision on a global level will remain unchanged in such turbulent times. It would therefore seem a useful time to review how socio-economic forces are believed to affect the health and well-being of an individual. These forces include social inequality, the mechanisms of social inclusion and exclusion, social role and the erosion of resilience. This paper will then conclude by offering some potential avenues that nurses can explore to make these forces less damaging for their clients. These avenues include developing a clinical focus based around positive psychology, well-being and some novel ways that nurses can help overcome the maintenance cycles that perpetuate inequality and exclusion.
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Abstract
BACKGROUND AND PURPOSE Both CB(1) and CB(2) cannabinoid receptors have been shown to play a role in bone metabolism. Crucially, previous studies have focussed on the effects of cannabinoid ligands in murine bone cells. This study aimed to investigate the effects of cannabinoids on human bone cells in vitro. EXPERIMENTAL APPROACH Quantitative RT-PCR was used to determine expression of cannabinoid receptors and liquid chromatography-electrospray ionization tandem mass spectrometry was used to determine the presence of endocannabinoids in human bone cells. The effect of cannabinoids on human osteoclast formation, polarization and resorption was determined by assessing the number of cells expressing α(v) β(3) or with F-actin rings, or measurement of resorption area. KEY RESULTS Human osteoclasts express both CB(1) and CB(2) receptors. CB(2) expression was significantly higher in human monocytes compared to differentiated osteoclasts. Furthermore, the differentiation of human osteoclasts from monocytes was associated with a reduction in 2-AG levels and an increase in anandamide (AEA) levels. Treatment of osteoclasts with LPS significantly increased levels of AEA. Nanomolar concentrations of AEA and the synthetic agonists CP 55 940 and JWH015 stimulated human osteoclast polarization and resorption; these effects were attenuated in the presence of CB(1) and/or CB(2) antagonists. CONCLUSIONS AND IMPLICATIONS Low concentrations of cannabinoids activate human osteoclasts in vitro. There is a dynamic regulation of the expression of the CB(2) receptor and the production of the endocannabinoids during the differentiation of human bone cells. These data suggest that small molecules modulating the endocannabinoid system could be important therapeutics in human bone disease. LINKED ARTICLES This article is part of a themed section on Cannabinoids in Biology and Medicine. To view the other articles in this section visit http://dx.doi.org/10.1111/bph.2012.165.issue-8. To view Part I of Cannabinoids in Biology and Medicine visit http://dx.doi.org/10.1111/bph.2011.163.issue-7.
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Effect of Topiramate on Height in Pediatric Patients with Newly Diagnosed Epilepsy (P06.093). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p06.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Altered Frequency And Composition Of Cultured Natural Killer Cells From Food Allergic Subjects. J Allergy Clin Immunol 2012. [DOI: 10.1016/j.jaci.2011.12.911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Randomized trial of adjunctive topiramate therapy in infants with refractory partial seizures. Neurology 2010; 74:714-20. [PMID: 20089937 DOI: 10.1212/wnl.0b013e3181d1cd4c] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To evaluate the efficacy and safety of adjunctive topiramate (sprinkle capsules or oral liquid) in reducing daily rates of partial-onset seizures (POS) in infants with refractory POS. METHODS In this double-blind, placebo-controlled, parallel-group, international study, infants (n = 149) with clinical or EEG evidence of refractory POS were randomly allocated (1:1:1:1) to receive adjunctive topiramate 5, 15, or 25 mg/kg/d or placebo for 20 days. The primary variable was the median percentage reductions in daily POS rate from baseline to final assessment as recorded on a 48-hour video-EEG. RESULTS Of the 149 infants (mean age 12 months) included in the intent-to-treat analysis set, 130 completed the study. Median percentage reduction from baseline in daily POS rate was not significantly different (p = 0.97) between topiramate 25 mg/kg (20.4%) and placebo (13.1%). Lower doses were not formally tested, but nominal p values for comparisons with placebo were not significant (15-mg/kg/d dose: p = 0.97; 5-mg/kg/d dose: p = 0.91). Treatment-emergent fever, diarrhea, vomiting, anorexia, weight decrease, somnolence, and viral infection occurred more frequently (> or = 10% difference) with topiramate than with placebo. CONCLUSION In infants aged 1-24 months, topiramate 5, 15, or 25 mg/kg/d was not effective as adjunctive treatment for refractory partial-onset seizures. No new safety concerns associated with topiramate use were noted. CLASSIFICATION OF EVIDENCE This interventional study provides Class I evidence that topiramate 5, 15, or 25 mg/kg/d compared with placebo does not significantly reduce seizure rates in infants aged 1 month to 2 years with refractory partial-onset seizures.
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Safety profile of ibuprofen suspension in young children. Inflammopharmacology 2010; 7:219-25. [PMID: 17638093 DOI: 10.1007/s10787-999-0005-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/1999] [Accepted: 08/18/1999] [Indexed: 11/26/2022]
Abstract
The Children's Analgesic Medicine Project (CAMP) was a multicenter, all-comers, openlabel, prospective study to compare the safety of ibuprofen suspension with acetaminophen suspension in children with fever and/or pain. Four hundred and twenty four (424) pediatricians enrolled 41 810 children (aged 1 month to 18 years old) at 69 US clinics. Safety data included information concerning medication use and adverse events (AEs) summarized by severity and analyzed by age groups (younger and older than 2 years). Among 30 144 children who took at least one dose of ibuprofen or acetaminophen, 14 281 were younger (< 2 yrs) and 15 863 were older ([Symbol: see text] 2 to < 12 yrs). Within both age groups, the incidence rates for specific AEs, including abdominal pain, insomnia, and hyperkinesia were rare and generally < 1% for both treatments. For younger children, fever, vomiting, diarrhea, rhinitis, rash and otitis media were the only AEs with an incidence rate > 1% (in either treatment group). For older children, the only AEs with an incidence rate > 1% in either group were rhinitis, pharyngitis and otitis media. AEs were generally mild to moderate for both treatments within the two age groups. There were no serious AEs, including anaphylaxis, Reye's syndrome, renal failure, GI bleeding/perforation or necrotizing fasciitis. There was a slightly higher overall incidence of side effects in the ibuprofen group (17.6% vs. 15.0%) for the younger children; and similar results were seen in the older children (11.9% vs. 10.7%). This may have been due to the preference of physicians to treat the sicker children with ibuprofen. There were four deaths, all unrelated to study medication, all occurring in children < 2 yrs (herpes encephalitis, sepsis due to 5. pneumoniae, medulloblastoma, and sudden infant death syndrome). The safety of ibuprofen suspension in children < 2 yrs was demonstrated in this study. The safety profile in children < 2 yrs is consistent with the excellent profile observed in children [Symbol: see text] 2 yrs. Overall, ibuprofen exhibited an AE profile similar to acetaminophen in both younger and older children.
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Abstract
MicroRNAs have been increasingly implicated in human cancer and interest has grown about the potential to use microRNAs to combat cancer. Lung cancer is the most prevalent form of cancer worldwide and lacks effective therapies. Here we have used both in vitro and in vivo approaches to show that the let-7 microRNA directly represses cancer growth in the lung. We find that let-7 inhibits the growth of multiple human lung cancer cell lines in culture, as well as the growth of lung cancer cell xenografts in immunodeficient mice. Using an established orthotopic mouse lung cancer model, we show that intranasal let-7 administration reduces tumor formation in vivo in the lungs of animals expressing a G12D activating mutation for the K-ras oncogene. These findings provide direct evidence that let-7 acts as a tumor suppressor gene in the lung and indicate that this miRNA may be useful as a novel therapeutic agent in lung cancer.
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Interventions. Occup Environ Med 2007. [DOI: 10.1136/oem.64.12.e22] [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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Vaccination experiments in the gadoid haddock, Melanogrammus aeglefinus L., against the bacterial pathogen Vibrio anguillarum. Vet Immunol Immunopathol 2007; 118:147-53. [PMID: 17559945 DOI: 10.1016/j.vetimm.2007.04.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2007] [Revised: 04/16/2007] [Accepted: 04/26/2007] [Indexed: 11/21/2022]
Abstract
Vibrio anguillarum is one of the primary pathogens responsible for high levels of fish mortality in the aquaculture industry, and among gadoids O2a and b are the most common pathogenic serotypes. In this paper a variety of studies were performed to assess the optimal route by which to challenge haddock against this pathogen, and an optimal regime to vaccinate haddock. The most efficient method to challenge haddock with V. anguillarum in this study was immersion in a bath containing 10(7)cfu/ml, where 60% mortality was seen. Subsequent experiments showed that juvenile haddock could be protected against bacterial challenge with V. anguillarum, with a significant reduction in mortalities observed amongst the vaccination treatments when compared to the unvaccinated controls. However, as seen previously in cod studies, vaccination did not induce a specific antibody response.
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Treatment of schizophrenia with paliperidone extended-release tablets: a 6-week placebo-controlled trial. Schizophr Res 2007; 90:147-61. [PMID: 17092691 DOI: 10.1016/j.schres.2006.09.012] [Citation(s) in RCA: 208] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2006] [Revised: 09/14/2006] [Accepted: 09/18/2006] [Indexed: 11/26/2022]
Abstract
BACKGROUND Paliperidone extended-release tablet (paliperidone ER) is an investigational oral psychotropic developed for schizophrenia treatment. It utilizes OROS technology to provide a unique pharmacokinetic profile, eliminating the need for titration and potentially leading to improved tolerability. Furthermore, paliperidone undergoes limited hepatic metabolism. METHODS The efficacy and safety of once-daily paliperidone ER (6 mg, 9 mg and 12 mg) were assessed versus placebo in 628 patients with acute schizophrenia in a 6-week, multicenter, double-blind, randomized, parallel-group study. RESULTS All doses of paliperidone ER demonstrated significant improvement in PANSS score, all PANSS Marder factor scores (p<0.001) and personal and social functioning versus placebo (p<0.001). The PANSS total score also improved significantly in the olanzapine treatment arm. Significantly higher percentages of paliperidone ER patients demonstrated a > or =30% reduction in PANSS total score versus placebo (p<0.001). The incidence of movement disorder-related AEs and rating scales measurements were similar to placebo for the paliperidone ER 6 mg group and higher in the 9 mg and 12 mg groups. In the paliperidone ER groups there were no reports of glucose-related AEs or clinically relevant changes in plasma lipid levels and changes in mean bodyweight<1 kg. CONCLUSION In this study, all doses of paliperidone ER were effective in significantly improving the symptoms of schizophrenia and personal and social functioning and were generally well tolerated. Paliperidone ER offers a distinctive treatment profile and may provide a valuable new treatment option for patients with schizophrenia.
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Risk Factors For Adults with a History of Penicillin Allergy. J Allergy Clin Immunol 2007. [DOI: 10.1016/j.jaci.2006.12.421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Chemoprevention of breast cancer. What's next? EJC Suppl 2006. [DOI: 10.1016/s1359-6349(06)80032-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Abstract
Bone mineral density and fracture rates in children with osteogenesis imperfecta improve with intravenous bisphosphonates. The efficacy of oral bisphosphonates has not been established. This report is an analysis of an open-label, prospective, randomized clinical trial of oral compared to intravenous bisphosphonate medications in children with osteogenesis imperfecta. Children were stratified according to bone age, pubertal stage, and type of osteogenesis imperfecta and then randomized to receive intravenous pamidronate, 3 mg/kg over 3 days every 4 months, or oral alendronate 1 mg/kg, from a minimum of 10 mg to a maximum of 20 mg daily. The primary efficacy outcome was change in bone mineral density. Secondary outcomes included change in biomarkers of bone turnover, fracture incidence, and growth rate. Ten children were randomized (6 oral and 4 intravenous). Two other children were assigned to intravenous treatment due to chronic abdominal pain. In each group, three patients had type III/IV osteogenesis imperfecta, while three had type I. All 12 children completed 8 months of therapy; nine completed 12 months. Bone mineral density increased in both oral and intravenous groups equally and beyond that expected with normal growth. All children had a decrease in biochemical markers of bone turnover. Linear growth showed a moderate increase above that for age. There was a non-significant decrease in fracture incidence in both groups.
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Intravenous pamidronate treatment of children under 36 months of age with osteogenesis imperfecta. Bone 2004; 35:1038-45. [PMID: 15542028 DOI: 10.1016/j.bone.2004.07.003] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2004] [Revised: 06/10/2004] [Accepted: 07/06/2004] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Bone mineral density (BMD) and fracture rates in children with osteogenesis imperfecta (OI) have been shown to improve with bisphosphonate therapy. There are limited data available on the efficacy of this therapy in children with OI under the age of 3 years. To examine this, we instituted a prospective clinical trial of intravenous bisphosphonate to study safety, feasibility, and efficacy of this therapy. MATERIALS AND METHODS Nine infants and young children with osteogenesis imperfecta (age range 1-35 months) were treated with intravenous pamidronate. Six had type II OI, two had type I, and one had type IV. Pamidronate was administered in cycles of 3 consecutive days. The total duration of therapy ranged from 11 to 29 months (mean 17 months). RESULTS During treatment, the mean annualized percent change in total body areal BMD was 25% (range 11-40%). Pamidronate therapy resulted in sustained and significant decreases in serum calcium and bone-specific alkaline phosphatase and in urine calcium/creatinine and NTX/creatinine. Fracture rate in the group decreased from 80 fractures in 111 months before treatment to 25 fractures in 152 months after treatment (P<0.01). Linear growth and weight gain were maintained. Other than fevers in several infants following the initial dose of intravenous bisphosphonate no adverse effects of therapy were noted. CONCLUSIONS Our data support that intravenous pamidronate therapy is safe, increases BMD, and reduces fracture rates in very young children with OI. Currently, it would seem to be the best available treatment for these children.
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Accident and emergency and general practitioner plain radiograph reporting by radiographers and radiologists: a quasi-randomized controlled trial. Br J Radiol 2003; 76:57-61. [PMID: 12595326 DOI: 10.1259/bjr/68918327] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Two specially trained radiographers at York District Hospital have been reporting appendicular plain radiograph X-ray examinations for Accident and Emergency (A&E) patients since February 1995. This study explores the potential for further expanding their reporting role. This was achieved by assessing the two radiographers' and a group of consultant radiologists' ability to report on a retrospectively selected random stratified sample of 400 A&E and General Practitioner (GP) plain radiograph X-ray examinations for all body areas. Using receiver operating characteristic (ROC) curve analyses there was no statistically significant difference at the 5% level between the area under the ROC curves for the radiographers and consultant radiologists when reporting A&E or GP plain radiographs. It may be feasible to expand the reporting role of suitably trained radiographers to include plain radiograph X-ray examinations for all A&E patients and for GP patients, with no detriment to the quality of reports.
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