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508 results on '"Abbott, Kevin"'

1. Report of the Standardized Outcomes in Nephrology-transplant Consensus Workshop on Establishing a Core Outcome Measure for Infection in Kidney Transplant Recipients

Author

Chan, Samuel, Cazzolli, Rosanna, Jaure, Allison, Johnson, David W., Hawley, Carmel M., Craig, Jonathan C., Sautenet, Benedicte, van Zwieten, Anita, Cao, Christopher, Dobrijevic, Ellen, Wilson, Greg, Scholes-Robertson, Nicole, Carter, Simon, Vastani, Tom, Cho, Yeoungjee, Blumberg, Emily, Brennan, Daniel C., Huuskes, Brooke M., Knoll, Greg, Kotton, Camille, Mamode, Nizam, Muller, Elmi, Phan Ha, Hai An, Tedesco-Silva, Helio, White, David M., Viecelli, Andrea K., Martin, Adam, Tong, Allison, Gonzalez, Andrea Matus, Viecelli, Andrea, Demaine, Andrew, Wang, Angela, Zwieten, Anita van, Demaine, Ann, Preston, Anthony, Sautenet, Benedicte, De Coninck, Brenda, Huuskes, Brooke, Kotton, Camille, Hawley, Carmel, Guha, Chandana, Wanner, Christoph, Gossett, Daniel, Johnson, David, Purdy, Deb, Tarumbwa, Dorcas, Dobrijevic, Ellen, Muller, Elmi, Diekmann, Fritz, Tyson, Gene, Wong, Germaine, Mundy, Gillian, Wilson, Greg, Tesdesco-Silva, Helio, Craig, Jonathan, Manera, Karine, Abbott, Kevin, Lentine, Krista, Marson, Lorna, Frurian, Lucrezia, Hilbrands, Luuk, Naesens, Maarten, Bellini, Maria Irene, Hempstalk, Matty, Isbel, Nicole, Scholes-Robertson, Nicole, Ferrari, Paolo, Rossignol, Patrick, Henman, Paul, Reese, Peter, Oberbauer, Rainer, Pecoits-Filho, Roberto, Cazzolli, Rosanna, Chan, Samuel, Muthuramalingam, Shyamsundar, Carter, Simon, Al-Jabary, Tamara, Harris, Tess, Vastani, Tom, Parapiboon, Watanyu, van Biesen, Wim, and Cho, Yeoungjee

Published
2024
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2. What Business Owners, Executives, And Professionals Should Know About Business Torts And Protecting A Business

Author

Abbott, Kevin

Subjects
Tort law -- Interpretation and construction, Commercial law -- Interpretation and construction, Business, international
Abstract

Business torts: An overview A common part of managing and running a business is encountering legal disputes. One sector of business disputes business owners, executives, and professionals should be familiar [...]

Published
2024

6. The influence of micro-scale thermal habitat on the movements of juvenile white sharks in their Southern California aggregation sites.

Author

Spurgeon, Emily, Thompson, Marten L., Alexander, Mitchell D., Anderson, James M., Rex, Patrick T., Stirling, Brian, Abbott, Kevin, and Lowe, Christopher G.

Subjects
WATER temperature, HABITATS, SPATIAL orientation, ENVIRONMENTALISM, GEOTHERMAL resources, WHITE shark, SHARKS
Abstract

While juvenile white sharks (JWS) can display regional endothermy, the need to maintain internal temperatures within an energetically favorable range likely drives thermoregulatory movements to maximize growth and foraging efficiency. Many JWS from the northeastern Pacific population aggregate seasonally in nearshore nursery habitats throughout the Southern California Bight and historic data show that inter-seasonal movement patterns may be heavily dependent on ambient water temperature. However, the degree to which micro-scale (e.g., ~10 m²) water temperature heterogeneity influences JWS three-dimensional movement within nearshore aggregation sites is unknown. High-resolution temperature and passive acoustic-telemetry geo-positional data were used to quantify how temperature and vertical thermal stratification influenced JWS movement using several modeling approaches. JWS selected for water temperatures between 16 - 22°C and depths shallower than 2 m. Sharks occupied deeper waters during dawn and dusk periods, and their distance from the seafloor and spatial orientation of their depth distribution was significantly related to the thermal structure of the water column across the monitored area. Tagged sharks remained above a 16°C thermal threshold and altered their horizontal and vertical distributions accordingly. While high-resolution movement and environmental data provide improved predictability of microscale habitat use and distribution, other variables such as prey distribution, behavior, and competition would further improve habitat use models for this highly mobile species. [ABSTRACT FROM AUTHOR]

Published
2024
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7. Establishing Core Outcome Domains in Hemodialysis: Report of the Standardized Outcomes in Nephrology–Hemodialysis (SONG-HD) Consensus Workshop

Author

Collins, Allan, Narva, Andrew, Sautenet, Benedicte, Powell, Billy, Hurd, Brenda, Barrett, Brendan, Schiller, Brigitte, Culleton, Bruce, Hawley, Carmel, Pollock, Carol, Lok, Charmaine, Wanner, Christoph, Chan, Christopher, Weiner, Daniel, Harris, David, Johnson, David, Rosenbloom, David, Rifkin, Dena, Bookman, Deshia, Brown, Edwina, Bavlovlenkov, Elena, Tentori, Francesca, Williams, Jack, Schell, Jane, Flythe, Jennifer, Ix, Joachim, Raimann, Jochen, Andress, Joel, Agar, John, Daugirdas, John, Gill, John, Kusek, John, Polkinghorne, Kevan, Abbott, Kevin, Usyvat, Len, Krishnan, Mahesh, Tonelli, Marcello, Marshall, Mark, Gallagher, Martin, Germain, Michael, Walsh, Michael, Zappitelli, Michael, Josephson, Michelle, Burrows, Nilka Rios, Houston, Orlando, Kerr, Peter, Kotanko, Peter, Roy-Chaudhury, Prabir, Morton, Rachael, Mehrotra, Raj, Dorpel, Rene van den, Suri, Rita, Wald, Ron, Apata, Ronke, Gibson, Shalia, Evered, Sharrilyn, Fadem, Stephen, McDonald, Stephen, Holt, Steve, Kee, Terence, Manns, Braden, Hemmelgarn, Brenda, Wheeler, David, Harris, Tess, Winkelmayer, Wolfgang, Tong, Allison, O'Donoghue, Donal, Tam-Tham, Helen, Shen, Jenny, Pinter, Jule, Larkins, Nicholas, Evangelidis, Nicole, Van Den Dorpel, Rene, Parks, Reva, Youssouf, Sajeda, Mandayam, Sreedhar, Wheeler, David C., Tugwell, Peter, Crowe, Sally, Van Biesen, Wim, Winkelmayer, Wolfgang C., Shen, Jenny I., Ju, Angela, and Craig, Jonathan C.

Published
2017
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13. US Renal Data System 2023 Annual Data Report: Epidemiology of Kidney Disease in the United States

Author

Johansen, Kirsten L., Gilbertson, David T., Li, Shuling, Li, Suying, Liu, Jiannong, Roetker, Nicholas S., Ku, Elaine, Schulman, Ivonne H., Greer, Raquel C., Chan, Kevin, Abbott, Kevin C., Butler, Catherine R., O’Hare, Ann M., Powe, Neil R., Reddy, Yuvaram N.V., Snyder, Jon, St. Peter, Wendy, Taylor, Janelle S., Weinhandl, Eric D., and Wetmore, James B.

Published
2024
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16. A comparative analysis of the evolution of imperfect mimicry

Author

Penney, Heather D., Hassall, Christopher, Skevington, Jeffrey H., Abbott, Kevin R., and Sherratt, Thomas N.

Subjects
Mimicry (Biology) -- Comparative analysis, Evolution -- Comparative analysis, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Although exceptional examples of adaptation are frequently celebrated, some outcomes of natural selection seem far from perfect. For example, many hoverflies (Diptera: Syrphidae) are harmless (Batesian (1)) mimics of stinging Hymenoptera (2). However, although some hoverfly species are considered excellent mimics, other species bear only a superficial resemblance to their models (3) and it is unclear why this is so. To evaluate hypotheses that have been put forward to explain interspecific variation in the mimetic fidelity of Palearctic Syrphidae we use a comparative approach. We show that the most plausible explanation is that predators impose less selection for mimetic fidelity on smaller hoverfly species because they are less profitable prey items. In particular, our findings, in combination with previous results, allow us to reject several key hypotheses for imperfect mimicry: first, human ratings of mimetic fidelity are positively correlated with both morphometric measures and avian rankings, indicating that variation in mimetic fidelity is not simply an illusion based on human perception (4); second, no species of syrphid maps out in multidimensional space as being intermediate in appearance between several different hymenopteran model species, as the multimodel hypothesis (5) requires; and third, we find no evidence for a negative relationship between mimetic fidelity and abundance, which calls into question the kin-selection (6) hypothesis. By contrast, a strong positive relationship between mimetic fidelity and body size supports the relaxed-selection hypothesis (7,8), suggesting that reduced predation pressure on less profitable prey species limits the selection for mimetic perfection., Much of evolutionary theory relating to mimicry has been based on the assumption that the fidelity of mimicry in any given system is extremely high (reviewed in ref. 9). Of [...]

Published
2012
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17. Racial variation in medical outcomes among living kidney donors

Author

Lentine, Krista L., Schnitzler, Mark A., Huiling Xiao, Saab, Georges, Salvalaggio, Paolo R., Axelrod, David, Davis, Connie L., Abbott, Kevin C., and Brennan, Daniel C.

Subjects
Organ donors -- Care and treatment, Organ donors -- Social aspects, Discrimination in medical care -- Evaluation, Outcome and process assessment (Health Care)
Abstract

The study aims to evaluate racial variations, if any, in health outcomes among living kidney donors. The results indicate that racial disparities are present in outcomes in the case of such donors, thereby highlighting the need for increased attention to be paid to such donors and their health outcomes.

Published
2010

21. Courtship strategies of male insects: when is learning advantageous?

Author

Dukas, Reuven, Clark, Colin W., and Abbott, Kevin

Subjects
Insects -- Analysis, Zoology and wildlife conservation
Abstract

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.anbehav.2006.05.002 Byline: Reuven Dukas, Colin W. Clark, Kevin Abbott Abstract: Experiments indicating learning in the context of courtship in fruit flies challenge the prevailing views that male insects are either indiscriminate or rely on innate rules for courtship. We investigated the conditions favouring learning during courtship in insects by using a model that compared a learning strategy to two alternatives, indiscriminate courtship and innate selectivity. Our analyses indicated that, under the two conditions of high encounter rates with females and long courtship durations, indiscriminate courtship resulted in much lower lifetime mating success than either selectivity or learning. Learning had moderate advantages over selectivity when encounter rates with females were high, when a large proportion of females were sexually receptive, and when acceptance rates by sexually receptive females were high. We predict that species in which such conditions commonly occur are most likely to show learning in the context of male courtship. Author Affiliation: (a) Animal Behaviour Group, Department of Psychology, Neuroscience & Behaviour, McMaster University, Canada (a ) Department of Mathematics, University of British Columbia, Canada Article History: Received 12 December 2005; Revised 4 March 2006; Accepted 5 May 2006 Article Note: (miscellaneous) MS. number: A10320

Published
2006

34. Concomitant Use of Gabapentinoids with Opioids Is Associated with Increased Mortality and Morbidity among Dialysis Patients.

Author

Waddy, Salina P., Becerra, Adan Z., Ward, Julia B., Chan, Kevin E., Fwu, Chyng-Wen, Eggers, Paul W., Abbott, Kevin C., Kimmel, Paul L., Waddy, Salina P, Becerra, Adan Z, Ward, Julia B, Chan, Kevin E, Eggers, Paul W, Abbott, Kevin C, and Kimmel, Paul L

Subjects
HEMODIALYSIS patients, CHRONIC kidney failure, OPIOIDS, DISEASES, MORTALITY
Abstract

Background: The opioid epidemic is a public health emergency and appropriate medication prescription for pain remains challenging. Physicians have increasingly prescribed gabapentinoids for pain despite limited evidence supporting their use. We determined the prevalence of concomitant gabapentinoid and opioid prescriptions and evaluated their associations with outcomes among dialysis patients.Methods: We used the United States Renal Data System to identify patients treated with dialysis with Part A, B, and D coverage for all of 2010. Patients were grouped into 4 categories of drugs exposure status in 2010: (1) no prescriptions of either an opioid or gabapentinoid, (2) ≥1 prescription of an opioid and no prescriptions of gabapentinoids, (3) no prescriptions of an opioid and ≥1 prescription of gabapenbtinoids, (4) ≥1 prescription of both an opioid and gabapentinoid. Outcomes included 2-year all-cause death, dialysis discontinuation, and hospitalizations assessed in 2011 and 2012.Results: The study population included 153,758 dialysis patients. Concomitant prescription of an opioid and gabapentin (15%) was more common than concomitant prescription of an opioid and pregabalin (4%). In adjusted analyses, concomitant prescription of an opioid and gabapentin compared to no prescription of either was associated with increased risk of death (hazard ratio [HR] 1.16, 95% CI 1.12-1.19), dialysis discontinuation (HR 1.14, 95% CI 1.03-1.27), and hospitalization (HR 1.33, 95% CI 1.31-1.36). Concomitant prescription of an opioid and pregabalin compared to no prescription of either was associated with increased mortality (HR 1.22, 95% CI 1.16-1.28) and hospitalization (HR 1.37, 95% CI 1.33-1.41), but not dialysis discontinuation (HR 1.13, 95% CI 0.95-1.35). Prescription of opioids and gabepentinoids compared to only being prescribed opioids was associated with higher risk of hospitalizations, but not mortality, or dialysis discontinuation.Conclusions: Concomitant prescription of opioids and gabapentinoids among US dialysis patients is common, and both drugs have independent effects on outcomes. Future research should prospectively investigate the potential harms of such drugs and identify safer alternatives for treatment of pain in end-stage renal disease patients. [ABSTRACT FROM AUTHOR]

Published
2020
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