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result(s) for
"Peace, Steven"
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Finding incident cancer cases through outpatient oncology clinic claims data and integration into a state cancer registry
by
Lee, David J.
,
MacKinnon, Jill
,
Gwede, Clement K.
in
Biomedical and Life Sciences
,
Biomedicine
,
Bladder cancer
2021
Cancer data from population-based cancer registries under-report cancer cases, especially for cancers primarily diagnosed and treated in outpatient clinical settings, away from hospital-based cancer registrars. Previously, we developed alternative methods of cancer case capture including a claims-based method, which identified a large proportion of cancer cases missed by traditional population-based cancer registries. In this study, we adapted a claims-based method for statewide implementation of cancer surveillance in Florida. Between 2010 and 2017 the claims-based method identified 143,083 cancer abstracts, of which 42% were new and 58% were previously registered. The claims-based method led to the creation of 53,419 new cancer cases in the state cancer registry, which made up 9.3% of all cancer cases registered between 2010 and 2017. The types of cancers identified by the claims-based method were typical of the kinds primarily diagnosed and treated in outpatient oncology clinic settings, such as hematological malignancies, prostate cancer, melanoma, breast cancer, and bladder cancer. These cases were added to the Florida cancer registry and may produce an artefactual increase in cancer incidence, which is believed to be closer to the actual burden of cancer in the state.
Journal Article
Hematologic malignancies: an opportunity to fill a gap in cancer surveillance
2012
Background: Reporting of hematologic malignancies is an increasingly important focus for cancer surveillance. As trends in cancer care are shifting to the outpatient setting, hospital-based data collection methods used for cancer surveillance will result in under-reporting of these cancers. This study describes the testing and validation of an automated system for capturing and reporting cancers from community oncology providers. Methods: The system was evaluated in 5 oncology practices in two states processing claims data for a 4- or 8-month interval. Resulting cancers were matched with the state registries. A random sample of nonmatched cases was reabstracted to measure the accuracy of the claims data for reporting of hematologic malignancies. Results: The overall match rate for the 1,935 hematologic malignancies reported during the study period was 58.2 % (range, 37.4 % for CLL to 71.2 % for Hodgkin's Lymphoma). The overall accuracy rate for billing-reported hematologic malignancies was 95 %. Accuracy among cases that did not match with the cancer registry was 88 %. The estimated number of missed cases for the five participating practices ranged from 0.8 leukemia cases/oncologist/year to 3.4 CLL cases/oncologist/year. The estimated total number of missed cases in the five participating practices was 292 with an interquartile range of 263-323. Conclusion: As cancer diagnosis and treatment continue migration into ambulatory physician practice settings unreported hematopoietic cases will become increasingly problematic. Leveraging the standardized electronic billing data for automated reporting of cancer cases from physician practices may be an efficient method to reduce this gap in cancer surveillance reporting.
Journal Article
Another Approach to Wind
2004
This article highlights how vertical-axis turbines may avoid the limitations of today’s standard propeller-like machines. Horizontal-axis wind turbine technology is likely to peak in the next few years, largely because of the limitations of the blades and their effects on the machine. The power output of a wind turbine is directly related to the swept area of its blades. The larger the diameter, the more power it is capable of extracting from the wind. The larger the blades, the stronger they need to be to withstand the higher levels of centrifugal force and stresses caused by their additional size and weight. Tall masonry structures of the sort that are suitable for the Eurowind turbines were once a common sight in industrial cities and towns across the globe. However, as technology changed, many of these structures became obsolete. Indeed, the structures have lent their name to an entire subset of old-fashioned, low-tech businesses in smokestack industries.
Magazine Article
Another Approach to Wind(Advanced Energy Systems)
2004
Vertical-axis turbines may avoid the limitations of today's standard propeller-like machines. The image of modern wind turbines has finally crept into the public consciousness. At long last, the Dutch windmill and the Great Plains wind-powered water pump have been supplanted by something sleek and futuristic: a tower that is 10, 20, even 30 stories tall with a rotor comprising two or three thin blades. But the image does not fully account for the reality. Anyone not directly involved in the wind turbine industry might be forgiven for thinking that all wind turbines face into the wind, with a horizontal axis of rotation. But there is another, less familiar, type of wind turbine, with a vertical axis. It has origins going back much farther in history than the common propeller-type, horizontal-axis turbines.
Magazine Article
Shaky democracies
AT one point in the not so distant past, the United States faced entrenched dictatorships in the Phil ippines and El Salvador whose existence encouraged the growth of strong communist insurgencies.
Newspaper Article
EVANSTON'S NUCLEAR DECISION
Your editorial response to Evanston's decision to declare itself a nuclear-free zone is oddly patronizing and ominously confused. You seem moved by the \"pathos\" of \"a small human whisper against a power as mighty as fate\"; yet you relegate that pathos to the category of pious irrelevance.
Newspaper Article
Noncalcified Coronary Atherosclerotic Plaque and Immune Activation in HIV-infected Women
2013
Background. Little is known about coronary plaque in human immunodeficiency virus (HIV)-infected women. Methods. Sixty HIV-infected and 30 non-HIV-infected women without symptoms or history of cardiovascular disease were recruited to assess coronary plaque with coronary computed tomographic angiography and immune activation. Data from 102 HIV-infected men and 41 non-HIV-infected male controls were compared. Results. HIV-infected women demonstrated significantly higher percentages of segments with noncalcified plaque (mean ± SD, 74% ± 28% vs 23% ± 39% compared to female control subjects; median [interquartile range], 75% [63%-100%] vs 0% [0%-56%]; P = .007) and more segments with noncalcified plaque (mean ± SD, 0.92 ± 1.48 vs 0.40 ± 1.44; median [interquartile range], 0 [0-2] vs 0 [0-0]; P= .04). Immune activation parameters, including soluble CD163 (sCD163; P = .006), CXCL10 (P = .002), and percentages of CD14⁺CD16⁺ monocytes (P = .008), were higher in HIV-infected women than in female control subjects, but no differences were seen in general inflammatory markers. Among HIV-infected women with noncalcified coronary plaque, sCD163 levels were significantly higher than in HIV-infected women without noncalcified plaque (P = .04). In multivariate modeling for sCD163 levels among male and female subjects, significant effects of HIV (P < .0001), age (P = .002), and sex (P = .0002) were seen. Conclusions. Young, asymptomatic, HIV-infected women, demonstrate increased noncalcified coronary plaque and increased immune activation, particularly monocyte activation. Independent effects of sex, HIV status, and aging on immune activation may contribute to cardiovascular disease in this population. Clinical Trials Registration. NCT00455793.
Journal Article
Prevalence of Crimean-Congo haemorrhagic fever in livestock following a confirmed human case in Lyantonde district, Uganda
2023
Background
Crimean-Congo haemorrhagic fever (CCHF) is a tick-borne viral infection, characterized by haemorrhagic fever in humans and transient asymptomatic infection in animals. It is an emerging human health threat causing sporadic outbreaks in Uganda. We conducted a detailed outbreak investigation in the animal population following the death from CCHF of a 42-year-old male cattle trader in Lyantonde district, Uganda. This was to ascertain the extent of CCHF virus (CCHFV) circulation among cattle and goats and to identify affected farms and ongoing increased environmental risk for future human infections.
Methods
We collected blood and tick samples from 117 cattle and 93 goats, and tested these for anti-CCHFV antibodies and antigen using an enzyme-linked immunosorbent assay (ELISA), quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) and target enrichment next generation sequencing.
Results
CCHFV-specific IgG antibodies were detected in 110/117 (94.0%) cattle and 83/93 (89.3%) goats. Animal seropositivity was independently associated with female animals (AOR = 9.42,
P
= 0.002), and animals reared under a pastoral animal production system (AOR = 6.02,
P
= 0.019] were more likely to be seropositive than tethered or communally grazed animals. CCHFV was detected by sequencing in
Rhipicephalus appendiculatus
ticks but not in domestic animals.
Conclusion
This investigation demonstrated very high seroprevalence of CCHFV antibodies in both cattle and goats in farms associated with a human case of CCHF in Lyantonde. Therefore, building surveillance programs for CCHF around farms in this area and the Ugandan cattle corridor is indicated, in order to identify opportunities for case prevention and control.
Graphical Abstract
Journal Article