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López AA, Cohen CT, Small A, Lam FW, Bachim AN. Traumatic intracranial hemorrhage in pediatrics: Implications of factor XIII deficiency and consumptive coagulopathy in abusive head trauma evaluation. Child Abuse Negl 2024; 149:106651. [PMID: 38325162 DOI: 10.1016/j.chiabu.2024.106651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 12/28/2023] [Accepted: 01/10/2024] [Indexed: 02/09/2024]
Abstract
For infants that present with intracranial hemorrhage in the setting of suspected abusive head trauma (AHT), the standard recommendation is to perform an evaluation for a bleeding disorder. Factor XIII (FXIII) deficiency is a rare congenital bleeding disorder associated with intracranial hemorrhages in infancy, though testing for FXIII is not commonly included in the initial hemostatic evaluation. The current pediatric literature recognizes that trauma, especially traumatic brain injury, may induce coagulopathy in children, though FXIII is often overlooked as having a role in pediatric trauma-induced coagulopathy. We report an infant that presented with suspected AHT in whom laboratory workup revealed a decreased FXIII level, which was later determined to be caused by consumption in the setting of trauma induced coagulopathy, rather than a congenital disorder. Within the Child Abuse Pediatrics Research Network (CAPNET) database, 85 out of 569 (15 %) children had FXIII testing, 3 of those tested (3.5 %) had absent FXIII activity on qualitative testing, and 2 (2.4 %) children had activity levels below 30 % on quantitative testing. In this article we review the literature on the pathophysiology and treatment of low FXIII in the setting of trauma. This case and literature review demonstrate that FXIII consumption should be considered in the setting of pediatric AHT.
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Affiliation(s)
- Arianexys Aquino López
- Baylor College of Medicine, Texas Children's Hospital, Houston, TX, United States of America; Division of Hematology and Oncology, Department of Pediatrics, United States of America
| | - Clay T Cohen
- Baylor College of Medicine, Texas Children's Hospital, Houston, TX, United States of America; Division of Hematology and Oncology, Department of Pediatrics, United States of America
| | - Amanda Small
- Baylor College of Medicine, Texas Children's Hospital, Houston, TX, United States of America; Division of Public Health Pediatrics, Department of Pediatrics, United States of America
| | - Fong Wilson Lam
- Baylor College of Medicine, Texas Children's Hospital, Houston, TX, United States of America; Division of Pediatric Critical Care Medicine, Department of Pediatrics, United States of America
| | - Angela N Bachim
- Baylor College of Medicine, Texas Children's Hospital, Houston, TX, United States of America; Division of Public Health Pediatrics, Department of Pediatrics, United States of America.
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Bland D, Evans R, Binesmael A, Wood S, Qureshi SP, Fearnley K, Small A, Strain WD, Agius R. Post-acute COVID-19 complications in UK doctors: results of a cross-sectional survey. Occup Med (Lond) 2024; 74:99-103. [PMID: 38078498 DOI: 10.1093/occmed/kqad120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2024] Open
Abstract
BACKGROUND As a consequence of their occupation, doctors and other healthcare workers were at higher risk of contracting coronavirus disease 2019 (COVID-19), and more likely to experience severe disease compared to the general population. However, systematic information on post-acute COVID complications in doctors is very limited. AIMS This study aimed to determine the symptoms, perceived determinants, health and occupational impact, and consequent needs relating to post-acute COVID complications in UK doctors. METHODS An online cross-sectional survey was distributed to UK doctors self-identifying as having Long COVID or other post-acute COVID complications. RESULTS Of 795 responses, 603 fulfilled the inclusion criteria of being a UK-based medical doctor experiencing one or more post-acute COVID complications. Twenty-eight per cent reported a lack of adequate Respiratory Protective Equipment at the time of contracting COVID-19. Eighteen per cent of eligible respondents reported that they had been unable to return to work since acquiring COVID. CONCLUSIONS Post-acute COVID (Long COVID) in UK doctors is a substantial burden for respondents to our questionnaire. The results indicated that insufficient respiratory protection could have contributed to occupational disease, with COVID-19 being contracted in the workplace, and resultant post-COVID complications. Although it may be too late to address the perceived determinants of inadequate protection for those already suffering with Long COVID, more investment is needed in rehabilitation and support of those afflicted.
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Affiliation(s)
- D Bland
- Public Health and Healthcare Department, British Medical Association, London, UK
| | - R Evans
- Public Health and Healthcare Department, British Medical Association, London, UK
| | - A Binesmael
- Public Health and Healthcare Department, British Medical Association, London, UK
| | - S Wood
- Public Health and Healthcare Department, British Medical Association, London, UK
| | | | - K Fearnley
- Long COVID Doctors for Action, London, UK
| | - A Small
- Chest Heart and Stroke Scotland, Edinburgh, UK
| | - W D Strain
- British Medical Association Board of Science, University of Exeter Medical School, Institute of Clinical and Biomedical Science, Exeter, UK
| | - R Agius
- Council of the British Medical Association, The University of Manchester, Manchester, UK
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Fanny SA, Burge L, Small A, Turbeville J, Donaruma-Kwoh M, Adekunle-Ojo A. When "the runs" also burns: Case reports of severe diaper dermatitis in children with acute gastroenteritis mimicking scald burns. Pediatr Dermatol 2022; 40:341-344. [PMID: 36263904 DOI: 10.1111/pde.15163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 10/01/2022] [Indexed: 11/30/2022]
Abstract
Burns to the buttocks of a child are highly concerning for child abuse unless there is a clear history to support an alternative diagnosis. We report two cases of severe erosive diaper dermatitis presenting as buttocks and perineal burns caused by prolonged exposure to diarrheal stool. These cases underscore the importance of making the right diagnosis to avoid the undue psychosocial stress to families that comes with a mistaken diagnosis of inflicted injury, and further add to our understanding of diarrheal contact burns in the absence of laxative use.
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Affiliation(s)
- Sanemba Aya Fanny
- Division of Pediatric Emergency Medicine, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Lauren Burge
- University of Tennessee Health Science Center, Division of Pediatric Academic Hospital Medicine, Department of Pediatrics, Memphis, Tennessee, USA
| | - Amanda Small
- Division of Public Health Pediatrics, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Jackson Turbeville
- Department of Dermatology, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Marcella Donaruma-Kwoh
- Division of Public Health Pediatrics, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Aderonke Adekunle-Ojo
- Division of Pediatric Emergency Medicine, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
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Bartoli-Leonard F, Rogers M, Zheng K, Small A, Asano T, Kuraoka S, Blaser M, Natarajan P, Yeang C, Tsimikas S, O'donnell C, Aikawa M, Singh S, Stroes E, Aikawa E. Inhibition of novel lipoprotein(a) receptor major facilitator superfamily domain containing 5 (MFSD5) reduces development of aortic valve calcification. Cardiovasc Res 2022. [DOI: 10.1093/cvr/cvac066.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Other. Main funding source(s): Private grant from Kowa Pharmaceuticals to Brigham and Woman's Hospital
Calcific aortic valve stenosis (CAVS) is the most prevent valvular heart disease in the western world increasing exponentially with age, with an 112% increase in CAVS deaths in the last three decades; however no therapeutic treatment is currently available. Recently, lipoprotein(a) [Lp(a)] has been demonstrated to be an independent and causal risk factor for CAVS, yet the understanding of its cellular uptake and catabolism is limited thus underscoring the need for further investigation.
This study aimed to determine a target receptor, unique for Lp(a) on the surface of valvular interstitial cells (VICs) and ascertain the role of the receptor on the development of VIC calcification.
Unbiased ligand-receptor capture mass spectrometry (TriCEPS) was used to identify target receptor, with western blotting, ELISA, qPCR, alizarin red calcium staining and immunofluorescence used to validate the targets in vitro via siRNA inhibition and overexpression. Transmission electron microscopy (TEM) was used to determine uptake of Lp(a) within excised human valves. Identification of small molecule inhibitors was assessed computationally via the L1000 dataset, with the top hit candidate validated in vitro. Genotype-phenotype studies were examined using the United Kingdom Biobank (UKBB) and the Millions Veterans Program. Linear regression was used to evaluate association between aortic stenosis and plasma Lp(a) levels, and a phenotype-wide association analysis was then performed against this generated ‘genotype’.
Ligand-receptor capture mass spectrometry was used to detect novel membrane proteins with specific binding to Lp(a); MFSD5, MRC2, LDLR were identified as possible candidates. MFSD5 RNAscope demonstrated its presence in human aortic valves. Lp(a) uptake in VICs was confirmed via western blot and TEM. MFSD5 siRNA significantly reduced dil-labelled Lp(a) uptake in human VICs (p=0.003) and HEPG2 cells (p=0.0003), conversely MFSD5 overexpression increased uptake (p=0.0345, p=0.0318), whilst specificity of MFSD5 to Lp(a) alone was shown via no change in LDL uptake following MFSD5 inhibition (p=0.616, p=0.991). MFSD5 inhibition reduced RUNX2 (p=0.0124) and Osteocalcin (p<0.001) RNA expression and reduced alizarin red staining following culture in Lp(a) osteogenic media for 21 days (p<0.0033). Druggability of MFSD5 was confirmed by the L1000 database, which identified aminopurvalanol as a binding partner for MFSD5 and significantly reduced Lp(a) uptake within VICs (p=0.0091). MFSD5-loss of function within the UKBB showed no significant cardiovascular association, however 50kb +/- of the MFSD5 gene showed nominal association with hyperlipidaemia and atrial fibrillation.
The current study demonstrates the novel Lp(a) receptor MFSD5 may be responsible for uptake of Lp(a) within VICs, resulting in the development of aortic valve calcification, highlighting the need for further exploration into the role of MFSD5 in aortic valve disease.
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Affiliation(s)
- F Bartoli-Leonard
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - M Rogers
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - K Zheng
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - A Small
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - T Asano
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - S Kuraoka
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - M Blaser
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - P Natarajan
- Boston VA Healthcare System , Boston , United States of America
| | - C Yeang
- University of California, San Diego , San Diego , United States of America
| | - S Tsimikas
- University of California, San Diego , San Diego , United States of America
| | - C O'donnell
- Boston VA Healthcare System , Boston , United States of America
| | - M Aikawa
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - S Singh
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - E Stroes
- Amsterdam UMC - Location Academic Medical Center , Amsterdam , Netherlands (The)
| | - E Aikawa
- Brigham And Women'S Hospital, Harvard Medical School , Boston , United States of America
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Small A, Lowe K, Ferrante A, Smith M, Proudman S, Weedon H, Wechalekar M. POS0057 INDUCIBLE REGULATORY SYNOVIAL MACROPHAGES: A PROOF-OF-CONCEPT STUDY FOR A CELL-BASED TARGETED THERAPY FOR RHEUMATOID ARTHRITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.4129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundInfiltration of monocyte-derived macrophages into the synovial tissue (ST) is a hallmark of rheumatoid arthritis (RA) pathology. These macrophages promote inflammation, local joint effusion, and joint damage via the release of cytokines, oxygen reactive species, and tissue damaging enzymes. However, balancing these, are the ‘regulatory’ macrophages with inflammation-resolving properties, characterised by expression of CD206 and MerTK, dominant within the ST of healthy individuals as well as RA patients in remission (1). Indeed, these cells are believed to actively contribute to the maintenance of remission.Macrophages are known to exhibit remarkable phenotypic plasticity and understanding the role of this characteristic in regulating inflammation and pathology remains a major challenge, as does the characterization of factors in the microenvironment such as the synovium that control such macrophage characteristics. Importantly, whether the infiltrating, inflammatory macrophages of the RA ST similarly exhibit such phenotypic plasticity, and whether this occurs during the process of reaching remission, remains to be studied.ObjectivesWe investigated the phenotypic plasticity of inflammatory synovial macrophages from patients with RA in vitro, investigating their ability to convert from an inflammatory macrophage population into ‘regulatory’ CD206+MerTK+ macrophages. These findings will provide a proof-of-concept as to the utility of these macrophage for a cell-based therapy in resolving inflammation in patients with RA, and will likely extend our understanding of the mechanisms of action of currently used therapeutics.MethodsSynovial fluid (SF) mononuclear cells were obtained from patients with active early RA (<1 year; fulfilling 2010 ACR/EULAR classification criteria). Cryopreserved SFMCs were cultured for 48hr in the presence of 10 ng/mL interferon(IFN)γ, 50 ng/mL dexamethasone, 10 μg/mL Infliximab, or diluent. Following culture, cells were immunostained and analysed using a Beckman Coulter CytoFLEX flow cytometer and FlowJo software. SF macrophages were characterised by expression of CD14, CD45, CD68 (Figure 1A), and proportions of CD206+ MerTK+ macrophages measured.Figure 1.Synovial fluid CD68+macrophage plasticity in vitro. (A) Gating strategy depicting CD68+ CD45+CD14+ SF macrophage determination. (B) Proportions of CD206 and MerTK-expressing SF macrophages after 48hr culture in the presence of 10 ng/mL IFNγ, 50 ng/mL dexamethasone or 10 µg/mL Infliximab, or absence. Data are representative of 5 individual experiments. Data were analysed by two-way ANOVA followed by Dunnett’s multiple comparison test, *p<0.05.ResultsPrior to culture, the CD68+ macrophage populations present in SF were found to be predominantly CD206-MerTK-. After 48 hours of culture, in the absence of any stimulus, there was an increase in proportions of CD206+MerTK+ macrophages. Treatment with either dexamethasone or anti-TNF (Infliximab) resulted in a further increase in proportions of CD206+ MerTK+, M2-like macrophages. In contrast, culture with IFNγ induced a reduction in this population. Importantly, we found that the generated CD206+MerTK+ macrophages were phenotypically stable in culture following removal of these differentiating agents.ConclusionOur findings demonstrate that inflammatory SF cells are indeed able to polarise to regulatory, CD206+MerTK+ macrophages in vitro. The findings provide further mechanistic insights into the basis for the therapeutic benefits of glucocorticoids and TNF inhibitors, as well as providing initial proof-of-concept in the use of regulatory macrophages as a cellular-based therapy or therapeutic target for patients with RA.References[1]Alivernini S, MacDonald L, Elmesmari A, et al., Distinct synovial tissue macrophage subsets regulate inflammation and remission in rheumatoid arthritis. Nature Medicine. 2020;26(8):1295-306 10.1038/s41591-020-0939-8.Disclosure of InterestsNone declared
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Gallagher JR, Martini J, Carroll S, Small A, Teng J. Annual prevalence estimation of lymphatic malformation with a cutaneous component: observational study of a national representative sample of physicians. Orphanet J Rare Dis 2022; 17:192. [PMID: 35550604 PMCID: PMC9097327 DOI: 10.1186/s13023-022-02336-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 04/26/2022] [Indexed: 11/11/2022] Open
Abstract
Background Lymphatic malformations (LMs) represent a potentially life-threatening, rare disease of the lymphatic system characterized by development of abnormal vessels, outpouchings, or cysts filled with lymphatic fluid. There are three morphologic types of LMs based on the size of the individual cysts: macrocystic (typically > 2 cm), microcystic (generally < 2 cm), and mixed (includes aspects of both). Macrocystic LMs typically exist beneath the skin and often can involve vascular components and/or organs. Microcystic LMs often have a cutaneous component and clinically present with lymphorrhea, bleeding, pain, itching, malodor, and functional deficits. There are no treatments approved by the US Food and Drug Administration (FDA) for either macrocystic or microcystic lymphatic malformations. The totality of the epidemiologic literature for LM is limited to the incidence of the disease among various birth cohorts. This is the first nationally representative study to estimate the national managed prevalence for patients with microcystic LM or combined LM with a cutaneous component annually across physician specialties likely to manage this condition. We conducted a retrospective observational survey of a nationally representative sample of patient-care physicians in the United States most likely to manage lymphatic malformations with a cutaneous component (LMC). Once recruited, target physicians participated via an electronic questionnaire. We weighted study physician self-estimates of the number of LMC patients treated in the past 12 months to reflect the specialists’ corresponding proportion in the national universe. All patient information was anonymous; no personally identifiable information was collected. Results Of the 420 physicians who visited the study website, 316 agreed to be screened and to participate (75.2% participation rate). Our survey results indicated the estimated number of unique annually managed LMC patients by target specialists is 79,920 (CI 66,600–93,250). This number corresponds to managed prevalence of 24.1 LMC patients per 100,000 population (CI 19.6/100,000–28.4/100,000). Conclusions The study indicates that while rare, LMC affects a substantial number of people in the US (79,920) who are being managed by one or more specialists. By better understanding the prevalence of people living with LMC who require treatment, efforts to both increase disease awareness and to identify underserved populations in need of potential new treatments can be better focused.
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Affiliation(s)
- Jack Ray Gallagher
- Clarity Pharma Research LLC, 2375 E. Main Street, Suite A300, Spartanburg, SC, 29307, USA.
| | - J Martini
- Palvella Therapeutics Inc., 125 Strafford Avenue, Suite 360, Wayne, PA, 19087, USA
| | - S Carroll
- Clarity Pharma Research LLC, 2375 E. Main Street, Suite A300, Spartanburg, SC, 29307, USA
| | - A Small
- Department of Dermatology, Oregon Health and Science University, 3303 S. Bond Ave., Portland, OR, 97239, USA
| | - J Teng
- Stanford University School of Medicine, Lucile Packard Children's Hospital at Stanford, 700 Welch Road, Suite 301; MC5896, Stanford, CA, 94304, USA
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Ness TE, Agrawal V, Guffey D, Small A, Simelane T, Dlamini S, Petrus J, Lukhele B. Impact of using creative arts programming to support HIV treatment in adolescents and young adults in Eswatini. AIDS Res Ther 2021; 18:100. [PMID: 34930371 PMCID: PMC8690402 DOI: 10.1186/s12981-021-00423-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 12/05/2021] [Indexed: 12/03/2022] Open
Abstract
Background In 2018, approximately 1.6 million adolescents (aged 10–19) were living with HIV worldwide, with the highest HIV prevalence found in Eswatini. Adolescents and young adults living with HIV are a vulnerable population due to unique psychosocial challenges that come with having a stigmatizing disease. This group struggles more than other age-groups with medication adherence and requires novel approaches to supporting treatment, including peer-group encouragement, and self-expression. Methods We piloted a theater camp for a group of adolescents and young adults enrolled at our HIV clinic in Mbabane, Eswatini, to determine the impact of having an outlet for creative expression and peer support on treatment and feelings of stigma. Pre- and post-camp surveys were administered to the participants to assess perceived stigma and impact of the camp. The results were analyzed using a Wilcoxon-signed rank test. Results Twenty individuals (ages 12–23) living with HIV participated in the camp concurrently with standard treatment. 25% showed a substantial decrease in viral load within six months of completing the camp (> 0.1 log10 change) while only 10% showed a substantial increase. Those who completed the survey felt the camp helped them with confidence, teamwork, and friendships. A comparison of pre- and post- surveys showed an overall decrease in personalized stigma. Quotes from participants reinforced these results. Conclusions Adolescents and young adults living with HIV are an important population for further program development. Our study showed creative arts programming has beneficial psychosocial effects, aids in community building, and potentially enhances the effectiveness of medical treatment. Further programs and studies should continue to investigate creative arts as an avenue for self-expression and community building among vulnerable populations. Supplementary Information The online version contains supplementary material available at 10.1186/s12981-021-00423-2.
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Agrawal V, Ness T, Small A, Simelane TT, Lukhele B, Dlamini S, Petrus J. 940. Impact of Using Arts Programming to Support Treatment in Adolescents Living with HIV in Eswatini. Open Forum Infect Dis 2020. [PMCID: PMC7777141 DOI: 10.1093/ofid/ofaa439.1126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background Adolescents and young adults with HIV are a unique population given the distinct psychosocial challenges of their age-group coupled with having a stigmatizing disease. In 2018, approximately 1.6 million adolescents were living with HIV worldwide, with the highest HIV prevalence found in Eswatini. As this group struggles more than any other age-group with medication adherence, novel interventions that are peer-inclusive and empowering should be explored to support their treatment. Methods We piloted a theater camp to determine the impact of fostering creative expression amongst adolescents and young adults enrolled at our HIV clinic in Mbabane, Eswatini. A two-week camp was conducted in collaboration with a non-profit organization of professional teachers, actors, and musicians. We emphasized enrollment of patients struggling with medication adherence, teen mothers, and those on second-line antiretroviral treatment. Twenty individuals (ages 12-23) participated in self-expression activities, story development, and a final play performed for the community. To assess impact, we compared viral loads pre- and post- camp as well as surveyed participants on effect of participation on areas such as personal stigma, sense of community, and confidence. Results Of those who participated, 25% showed a substantial decrease and 10% a substantial increase in viral load after the camp (>0.1 log10 change). Those who completed the survey (n=18) felt the camp helped them with confidence (13/18), teamwork (13/18), and friendships (11/18). Quotes from participants reinforced this growing sense of community, confidence, and decreased personal stigma. One wrote “theater camp helped me know that I can do a lot of things in life to achieve my future goals although I am HIV positive” and another stated “it made me not feel sorry for being an HIV positive person.” Conclusion Our pilot program demonstrates creative arts programming has beneficial psychosocial effects, aids in community building, and potentially enhances the effectiveness of medical treatment. Further programs and studies should continue to investigate creative arts as an avenue for treatment support, self-expression, and community building among vulnerable populations such as adolescents and young adults with HIV. Disclosures All Authors: No reported disclosures
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Affiliation(s)
| | - Tara Ness
- Baylor College of Medicine/Texas Children’s Hospital, Houston, TX
| | - Amanda Small
- Baylor Center of Excellence, Mbabane, Eswatini, Houston, Texas
| | | | | | - Sandile Dlamini
- Baylor Center of Excellence, Mbabane, Eswatini, Houston, Texas
| | - Jamie Petrus
- Baylor Center of Excellence, Mbabane, Eswatini, Houston, Texas
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Barnes DKA, Morley SA, Bell J, Brewin P, Brigden K, Collins M, Glass T, Goodall-Copestake WP, Henry L, Laptikhovsky V, Piechaud N, Richardson A, Rose P, Sands CJ, Schofield A, Shreeve R, Small A, Stamford T, Taylor B. Marine plastics threaten giant Atlantic Marine Protected Areas. Curr Biol 2019; 28:R1137-R1138. [PMID: 30300595 DOI: 10.1016/j.cub.2018.08.064] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
There has been a recent shift in global perception of plastics in the environment, resulting in a call for greater action. Science and the popular media have highlighted plastic as an increasing stressor [1,2]. Efforts have been made to confer protected status to some remote locations, forming some of the world's largest Marine Protected Areas, including several UK overseas territories. We assessed plastic at these remote Atlantic Marine Protected Areas, surveying the shore, sea surface, water column and seabed, and found drastic changes from 2013-2018. Working from the RRS James Clark Ross at Ascension, St. Helena, Tristan da Cunha, Gough and the Falkland Islands (Figure 1A), we showed that marine debris on beaches has increased more than 10 fold in the past decade. Sea surface plastics have also increased, with in-water plastics occurring at densities of 0.1 items m-3; plastics on seabeds were observed at ≤ 0.01 items m-2. For the first time, beach densities of plastics at remote South Atlantic sites approached those at industrialised North Atlantic sites. This increase even occurs hundreds of meters down on seamounts. We also investigated plastic incidence in 2,243 animals (comprising 26 species) across remote South Atlantic oceanic food webs, ranging from plankton to seabirds. We found that plastics had been ingested by primary consumers (zooplankton) to top predators (seabirds) at high rates. These findings suggest that MPA status will not mitigate the threat of plastic proliferation to this rich, unique and threatened biodiversity.
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Affiliation(s)
| | - S A Morley
- British Antarctic Survey, NERC, Cambridge, UK
| | - J Bell
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, UK
| | - P Brewin
- South Atlantic Environment Research Institute, Stanley, Falkland Islands
| | - K Brigden
- South Atlantic Environment Research Institute, Stanley, Falkland Islands
| | - M Collins
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, UK
| | - T Glass
- Tristan da Cunha Conservation Department, Edinburgh, UK Overseas Territory
| | | | - L Henry
- Marine Conservation, ENRD, St. Helena Government
| | - V Laptikhovsky
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, UK
| | | | - A Richardson
- Ascension Island Conservation and Fisheries Department
| | - P Rose
- Pristine Seas, National Geographic Society, Washington DC, USA
| | - C J Sands
- British Antarctic Survey, NERC, Cambridge, UK
| | - A Schofield
- Royal Society for the Protection of Birds, Sandy, UK
| | - R Shreeve
- Marine Conservation, ENRD, St. Helena Government
| | - A Small
- Marine Conservation, ENRD, St. Helena Government
| | - T Stamford
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, UK
| | - B Taylor
- St. Helena National Trust, Jamestown, St. Helena
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Small A, Lea J, Niemeyer D, Hughes J, McLean D, McLean J, Ralph J. Development of a microwave stunning system for cattle 2: Preliminary observations on behavioural responses and EEG. Res Vet Sci 2019; 122:72-80. [DOI: 10.1016/j.rvsc.2018.11.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 11/01/2018] [Accepted: 11/11/2018] [Indexed: 11/28/2022]
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Sisto J, Small A, Veloria D, Pedroso J. Interstitial Pregnancies: Tips for Successful Cornual Wedge Resection. J Minim Invasive Gynecol 2018. [DOI: 10.1016/j.jmig.2018.09.533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Dashwood A, Rusli S, Thomson B, Prabhu A, Platts D, Korczyk D, Hill J, Godbolt D, Small A, Wong Y. Rare Case of Advanced Non-Tropical, Isolated Right Ventricular Endomyocardial Fibrosis. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Clothier J, Hinch G, Brown W, Small A. Equine gestational length and location: is there more that the research could be telling us? Aust Vet J 2017; 95:454-461. [DOI: 10.1111/avj.12653] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 09/27/2016] [Accepted: 01/25/2017] [Indexed: 11/30/2022]
Affiliation(s)
- J Clothier
- CSIRO Agriculture, FD McMaster Laboratory; New England Highway; Armidale New South Wales Australia
- School of Environmental and Rural Sciences; University of New England; NSW Australia
| | - G Hinch
- School of Environmental and Rural Sciences; University of New England; NSW Australia
| | - W Brown
- School of Environmental and Rural Sciences; University of New England; NSW Australia
| | - A Small
- CSIRO Agriculture, FD McMaster Laboratory; New England Highway; Armidale New South Wales Australia
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Surrey E, Katz-Jaffe M, Surrey R, Small A, Gustofson R, Schoolcraft W. The arcuate uterus: is there an impact on art outcomes after euploid embryo transfer? Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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McLean D, Meers L, Ralph J, Owen J, Small A. Development of a microwave energy delivery system for reversible stunning of cattle. Res Vet Sci 2017; 112:13-17. [DOI: 10.1016/j.rvsc.2016.12.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 11/07/2016] [Accepted: 12/21/2016] [Indexed: 11/24/2022]
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Schoeler T, Petros N, Di Forti M, Pingault JB, Klamerus E, Foglia E, Small A, Murray R, Bhattacharyya S. Association Between Continued Cannabis Use and Risk of Relapse in First-Episode Psychosis: A Quasi-Experimental Investigation Within an Observational Study. JAMA Psychiatry 2016; 73:1173-1179. [PMID: 27680429 DOI: 10.1001/jamapsychiatry.2016.2427] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
IMPORTANCE Cannabis use after first-episode psychosis is associated with poor outcomes, but the causal nature of this association is unclear. OBJECTIVE To examine the precise nature of the association between continued cannabis use after the onset of psychosis and risk of relapse of psychosis. DESIGN, SETTING, AND PARTICIPANTS This prospective cohort study followed up for at least 2 years after the onset of psychosis 220 patients who presented to psychiatric services in South London, England, from April 12, 2002, to July 26, 2013, with first-episode psychosis. Longitudinal modeling (fixed-effects analysis, cross-lagged path analysis) was used to examine whether the association between changes in cannabis use and risk of relapse over time is the result of shared vulnerability between psychosis and cannabis use, psychosis increasing the risk of cannabis use (reverse causation), or a causal effect of cannabis use on psychosis relapse. INTERVENTIONS Exposure to cannabis within the first and second years after onset of psychosis. MAIN OUTCOMES AND MEASURES The main outcome measure was relapse of psychosis, defined as subsequent hospitalization for psychosis. Effect of cannabis use status in the first year (Ct1) and second year (Ct2) and pattern of cannabis use continuation in the first year and second year were modeled for risk of relapse in the first year (Rt1) and risk of relapse in the second year (Rt2) after psychosis onset. RESULTS A total of 220 patients with first-episode psychosis were included in the analysis (mean [SD] age, 28.62 [8.58] years; age range, 18-65 years; 90 women [40.9%] and 130 men [59.1%]). Fixed-effects models that adjusted for time-variant (other illicit drug use, antipsychotic medication adherence) and time-invariant (eg, genetic or premorbid environment) unobserved confounders revealed that there was an increase in the odds of experiencing a relapse of psychosis during periods of cannabis use relative to periods of no use (odds ratio, 1.13; 95% CI, 1.03-1.24). Change in the pattern of continuation significantly increased the risk (odds ratio, 1.07; 95% CI, 1.02-1.13), suggesting a dose-dependent association. Cross-lagged analysis confirmed that this association reflected an effect of cannabis use on subsequent risk of relapse (Ct1→Rt2: β = 0.44, P = .04) rather than an effect of relapse on subsequent cannabis use (Rt1→Ct2: β = -0.29, P = .59). CONCLUSIONS AND RELEVANCE These results reveal a dose-dependent association between change in cannabis use and relapse of psychosis that is unlikely to be a result of self-medication or genetic and environmental confounding.
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Affiliation(s)
- Tabea Schoeler
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, England
| | - Natalia Petros
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, England
| | - Marta Di Forti
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, England
| | | | - Ewa Klamerus
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, England
| | - Enrico Foglia
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, England
| | - Amanda Small
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, England
| | - Robin Murray
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, England
| | - Sagnik Bhattacharyya
- Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, England
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Beste J, Monroe-Wise A, Tatum A, Weber P, Small A, Wasserheit J, Bremner W, Farquhar C. University of Washington Global and Rural Health Fellowship. Ann Glob Health 2016. [DOI: 10.1016/j.aogh.2016.04.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Masaquel A, Hopson S, Casebeer A, Drzayich-Jankus D, Tao Z, Stemkowski S, Howe A, Patton J, Small A, Barnett B. Abstract P1-16-04: First-line chemotherapy for breast cancer patients by site of care (SOC): Treatment patterns, cost and quality indicators. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p1-16-04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Previous studies found differences in treatment patterns and costs by SOC for first-line chemotherapy treatment for both early stage and metastatic breast cancer (esBC and mBC) in commercial populations. This study extends the research to a predominantly Medicare population comparing chemotherapy treatment patterns, cost and quality of care in physician office (PO) and hospital outpatient (HO) centers.
Methods: First-line chemotherapy or biologic therapy for esBC and mBC patients was compared by SOC. Patients initiating infusion therapy in 2008–2012 were identified in Humana medical claims data. First-line length of therapy (LOT) in days and number of infusions (NI) were calculated. SOC cohort (HO vs PO) was based on where the patient received ≥90% of their infusions. Total healthcare costs based on medical and pharmacy claims were assessed. Differences in quality indicators, use of infusions or hospitalizations 30 days prior to death were evaluated. SOC differences were assessed using X2, T-tests and Wilcoxon Rank Sum (Wil) tests. P-values are for X2 and Wil tests. Cost-related results are from generalized linear models adjusted for age, sex, comorbidity and geographic region. LOT and NI are presented as median (IQR).
Results: A total of 2,784 esBC patients (73% PO and 27% HO) and 1,602 mBC patients (64% PO and 36% HO) were identified. Most patients (67%) were Medicare beneficiaries. Mean comorbidity index was similar by SOC for esBC patients (PO 4.2, HO 4.1, p=0.3308) but higher in HO for mBC patients (PO 7.5, HO 7.9, p=0.0003). LOT in days for esBC was greater in the PO for anthracycline-based therapy, PO 64(43-72), HO 47(43-64), p=0.0420 and taxane-based therapy, PO 64(64-106), HO 64(64-76), p=0.0005. NI for esBC was greater in the PO for patients on biologic and cytotoxic therapy, PO 21(17-29), HO 18(16-25), p=0.038 and taxane–based therapy PO 4(4-6), HO 4(4-4), p=0.0005.
No difference in LOT by SOC was seen for mBC patients; however, patients on taxane-based therapy had a greater NI at the PO 6(4-12) vs HO 5.5(4-9), p=0.0225.
Total healthcare costs were higher in the HO vs PO setting for esBC and mBC patients. Costs were 22% higher in the HO $51,191 vs PO $41,943, p<0.0001 for esBC patients and 17% higher in the HO $58,105 vs PO $49,591, p<0.0001 for mBC patients.
There were no statistically significant differences in use of infusions or hospitalizations 30 days prior to death among Medicare patients. Among 223 esBC and 369 mBC Medicare patients who died, use of infusions prior to death was 24% for HO and 16% for PO among esBC, p=0.2357 and 23% for HO and 26% for PO among mBC, p=0.5319. Hospitalizations prior to death were 59% for HO and 59% for PO for esBC, p=0.9940 and 60% for HO and 55% for PO for mBC, p=0.3105.
Conclusion: Differences by site of care, particularly in healthcare costs, were found in a mostly Medicare population of esBC and mBC patients. Patients in the HO setting had shorter length of therapy and fewer infusions, but had higher total healthcare costs than those in the PO setting. Quality indicators, infusions and hospitalizations prior to death were similar by site of care. Future research will focus on other quality indicators and patient satisfaction.
Citation Format: Masaquel A, Hopson S, Casebeer A, Drzayich-Jankus D, Tao Z, Stemkowski S, Howe A, Patton J, Small A, Barnett B. First-line chemotherapy for breast cancer patients by site of care (SOC): Treatment patterns, cost and quality indicators. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P1-16-04.
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Affiliation(s)
- A Masaquel
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
| | - S Hopson
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
| | - A Casebeer
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
| | - D Drzayich-Jankus
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
| | - Z Tao
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
| | - S Stemkowski
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
| | - A Howe
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
| | - J Patton
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
| | - A Small
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
| | - B Barnett
- Comprehensive Health Insights, Louisville, KY; Tennessee Oncology, Nashville, TN; Genentech, Inc, South San Francisco, CA
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Abstract
This study examined the relationship of sex-role typology, medical and psychiatric symptomatology, and personality functioning in adolescents. Seventy-nine males and 101 females with an average age of 18.3 were administered the Bem Sex Role Inventory (BSRI), Offer Self Image Questionnaire (OSIQ), Self Rating Depression Scale (SRDS), and Cornell Medical Index (CMI). In comparison to males, females reported significantly more medical and psychiatric symptomatology, including depression. Females were also found to have more concern and empathy for others and a better developed superego. They reported greater involvement in making future plans and were more conservative in their sexual attitudes. Sex-role typology yielded no significant differences on the medical and psychiatric scales, but consistent differences were found on the OSIQ, a measure of adolescent personality functioning. In general, the results indicated that androgynous teenagers in every case differed from the undifferentiated ones, with the masculine and feminine groups occupying a mid-position. Androgynous individuals always showed a more favorable adjustment. Undifferentiated individuals had a poorer defensive structure, less adequate coping mechanisms and affective integration, more confusion about body boundaries, and more difficulty in object relations. Androgynous individuals, in short, possessed adaptive capabilities and resources, such as effective coping techniques, emotional integration, communication skills, and a well-defined self-concept (i.e., ego strength and a high level of psychological integration). Since these results were obtained on a measure constructed solely to assess adolescent functioning, it seems possible to screen and identify adolescents who may be entering adulthood lacking the emotional, social, and occupational capacity to function in an optimal fashion.
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Affiliation(s)
- A Small
- George Mason University, USA
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Macdonald A, Johns N, Small A, Greig C, Husi H, Ross J, Fearon K, Preston T. OP026 REGIONAL DIFFERENCES IN SKELETAL MUSCLE PROTEIN FRACTIONAL SYNTHETIC RATE IN PATIENTS WITH UPPER GASTROINTESTINAL CANCER. Clin Nutr 2013. [DOI: 10.1016/s0261-5614(13)60028-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Small A, McLean D, Keates H, Owen JS, Ralph J. Preliminary investigations into the use of microwave energy for reversible stunning of sheep. Anim Welf 2013. [DOI: 10.7120/09627286.22.2.291] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Safaa A, Incani A, Savage M, Fu J, Raffell C, Bell B, Pincus M, Small A, Chua R, Mishra A, Dahl M, Walters D. A Single Centre Experience on Reasons for Delay in the Door to Balloon Time: A Five-Year Trend at The Prince Charles Hospital. Heart Lung Circ 2013. [DOI: 10.1016/j.hlc.2013.05.301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Safaa A, Incani A, Savage M, Fu J, Pincus M, Raffell C, Small A, Bell B, Mishra A, Chua R, Dahl M, Walters D. Door to Balloon Times in STEMI Patients: A Five-Year Trend at the Prince Charles Hospital. Heart Lung Circ 2013. [DOI: 10.1016/j.hlc.2013.05.319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Gaikwad N, Khelgi V, Murdoch D, Savage M, Incani A, Raffel C, Small A, Bell B, Pincus M, Walters D. Chronic Total Occlusions: A Single Centre Experience at the Prince Charles Hospital. Heart Lung Circ 2013. [DOI: 10.1016/j.hlc.2013.05.307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Small A, Wells-Burr B, Buncic S. An evaluation of selected methods for the decontamination of cattle hides prior to skinning. Meat Sci 2012; 69:263-8. [PMID: 22062817 DOI: 10.1016/j.meatsci.2004.07.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2003] [Revised: 07/24/2004] [Accepted: 07/24/2004] [Indexed: 11/30/2022]
Abstract
The effectiveness of different decontamination treatments in reducing microbial loads on cattle hides was assessed. The 10-s hide treatments were conducted using a wet-and-dry vacuum cleaner filled with one of the liquids (heated to 50 °C) indicated below, followed or not by 10-min drying in the air. Also, the hide was clipped, followed or not by 10-s singeing using a hand-held blowtorch. Before and after each decontamination treatment, the hide was sampled (100 cm(2) areas) by a sponge-swabbing method to compare the total viable counts of bacteria (TVC). The largest bacterial reduction (P<0.001; 2.31log(10) cfu/cm(2)) was achieved by singeing of previously clipped hide. Treatment of hide with a food industry sanitizer solution (10% Betane Plus) resulted in significant reductions of 1.80 (P<0.001) and 1.98log(10) cfu/cm(2) (P<0.001) without and with subsequent drying, respectively. Treatment of hide with a food industry disinfectant (P3-Topactive DES) significantly reduced TVC by 0.97 (P<0.001) and 1.18log(10) cfu/cm(2) (P<0.001) without and with subsequent drying, respectively. Treatments of hide with water alone or with a food-safe detergent solution (Formula 963B), or hide clipping alone, did not produce significant decontamination effects. Since hide contamination is associated with microbial contamination of the carcasses, the results indicate that post-killing/pre-skinning hide decontamination (used alone, or in combination with carcass decontamination) has a potential to improve microbial meat safety. Nevertheless, further research is required to optimise the efficacy of these treatments in the reduction of specific pathogens under commercial conditions.
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Affiliation(s)
- A Small
- Division of Farm Animal Science, School of Veterinary Science, University of Bristol, Langford, Bristol BS40 5DU, UK
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Reyes C, Byfield SD, Small A. Are There Differences in Patient Characteristics and Treatment Patterns by Treatment Setting? Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)33932-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Samardhi H, Raffel OC, Savage M, Sirisena T, Bett N, Pincus M, Small A, Walters DL. Takotsubo cardiomyopathy: an Australian single centre experience with medium term follow up. Intern Med J 2012; 42:35-42. [PMID: 21395961 DOI: 10.1111/j.1445-5994.2011.02474.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND Takotsubo cardiomyopathy (TC) is increasingly recognised in patients presenting with features of acute coronary syndrome. We present a single centre experience of TC with medium term follow up. METHODS Fifty-two consecutive patients presenting with a diagnosis of TC were included. The clinical presentation, complications, baseline and follow-up echocardiograms and cardiac magnetic resonance imaging were analysed. RESULTS Fifty-one patients were female. A stressful event preceded presentation in 37 (71%) patients. Chest pain was the most common symptom (83%). Two patients presented with an out-of-hospital cardiac arrest. ST segment elevation (40%) and global T wave inversion (44%) were the most frequent electrocardiogram changes. Left ventricular assessment demonstrated typical apical ballooning in 41 patients and 11 patients demonstrated the mid-wall variant. In-hospital complications occurred in 11 patients (21%) and included acute pulmonary oedema (n = 2), cardiogenic shock (n = 5); two of whom had a significant left ventricular outflow gradient, atrial fibrillation (n = 1), left ventricular thrombus (n = 2) and a cerebrovascular event (n = 2). Left ventricular function at presentation and follow up was compared in 40 patients. The mean ejection fraction in this group at presentation was 47% (20-70%) compared with that at follow up of 63% (44-76%). There were no significant complications or recurrences at follow up. CONCLUSIONS While TC is a reversible condition with low rates of complications and recurrence at follow up it is, as demonstrated in our cohort, associated with significant in-hospital morbidity in a proportion of patients.
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Affiliation(s)
- H Samardhi
- Cardiology Program, The Prince Charles Hospital, Brisbane, Queensland, Australia
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Emami M, Poon K, Incani A, Savage M, Pincus M, Small A, Chua R, Mishra A, Bett J, Raffel O, Walters D. Contemporary Treatment and Outcome of Saphenous Vein Graft Interventions in 200 Patients in a Single Centre Study. Heart Lung Circ 2012. [DOI: 10.1016/j.hlc.2012.05.376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Syed F, Vink E, Poon K, Savage M, Pincus M, Small A, Bett N, Chua R, Walters D, Raffel O. A Single Centre Experience in the Use of Rotational Atherectomy for the Percutaneous Management of Coronary Artery Disease. Heart Lung Circ 2011. [DOI: 10.1016/j.hlc.2011.05.283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Duffy LL, Small A, Fegan N. Concentration and prevalence ofEscherichia coliO157 andSalmonellaserotypes in sheep during slaughter at two Australian abattoirs. Aust Vet J 2010; 88:399-404. [DOI: 10.1111/j.1751-0813.2010.00623.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- LL Duffy
- CSIRO Food & Nutritional Sciences, Cnr Creek and Wynnum Roads, Cannon Hill, Queensland 4170, Australia
| | - A Small
- CSIRO Food & Nutritional Sciences, Cnr Creek and Wynnum Roads, Cannon Hill, Queensland 4170, Australia
| | - N Fegan
- CSIRO Food & Nutritional Sciences, Cnr Creek and Wynnum Roads, Cannon Hill, Queensland 4170, Australia
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Ho WS, Lee F, Roach M, Small A, Liem BJ, Wong G, Heywood G, Fekrazad MH, Patt YZ. Phase II trial using combination of oxaliplatin, capecitabine, and celecoxib with concurrent radiation in patients with operable rectal cancer. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.e14117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Patt YZ, Baron AD, Parks VA, Small A, Roach M, Lee S, Lee F. Phase II trial of gemcitabine (G), oxaliplatin (O), and erlotinib (T) for the treatment of hepatocellular carcinoma (HCC) and biliary tree cancers (BTC). J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.4153] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Luis S, Savage M, Bell B, Small A. Trans-Radial Approach for Primary Percutaneous Intervention. Heart Lung Circ 2010. [DOI: 10.1016/j.hlc.2010.06.1042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Affiliation(s)
- A. Small
- Division of Farm Animal Science; University of Bristol; Langford House Bristol BS40 5DU
| | - S. Buncic
- Division of Farm Animal Science; University of Bristol; Langford House Bristol BS40 5DU
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Sarnago Coello MJ, Small A, Buncic S. Microbiological differences between cull cattle slaughtered at an abattoir and cull cattle slaughtered on farms. Vet Rec 2007; 161:719-22. [DOI: 10.1136/vr.161.21.719] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- M. J. Sarnago Coello
- Division of Farm Animal Science; School of Clinical Veterinary Science; University of Bristol; Langford Bristol BS40 5DU
| | - A. Small
- Division of Farm Animal Science; School of Clinical Veterinary Science; University of Bristol; Langford Bristol BS40 5DU
| | - S. Buncic
- Division of Farm Animal Science; School of Clinical Veterinary Science; University of Bristol; Langford Bristol BS40 5DU
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Desmarchelier P, Fegan N, Smale N, Small A. Managing safety and quality through the red meat chain. Meat Sci 2007; 77:28-35. [DOI: 10.1016/j.meatsci.2007.04.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2007] [Revised: 04/30/2007] [Accepted: 04/30/2007] [Indexed: 11/17/2022]
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Small A, James C, James S, Davies R, Howell M, Hutchison M, Buncic S. Construction, management and cleanliness of red meat abattoir lairages in the UK. Meat Sci 2007; 75:523-32. [DOI: 10.1016/j.meatsci.2006.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2006] [Revised: 07/17/2006] [Accepted: 09/04/2006] [Indexed: 10/24/2022]
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Small A, James C, James S, Davies R, Liebana E, Howell M, Hutchison M, Buncic S. Presence of Salmonella in the red meat abattoir lairage after routine cleansing and disinfection and on carcasses. J Food Prot 2006; 69:2342-51. [PMID: 17066911 DOI: 10.4315/0362-028x-69.10.2342] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Foodborne pathogens, such as Salmonella, may remain in abattoir lairages after cleansing and pose a risk of transfer and contamination from one processing day to the next. These organisms may be transferred to the outer surface of animals held in lairage facilities, and the skin or hide may be a significant source of microbial contamination on the red meat carcasses subsequently produced. Sponge samples were taken from various sites in the lairage (n = 556), and single-pass sponge samples were taken from one side of red meat carcasses (n = 1,050) at five commercial abattoirs in Southwest England and tested for the presence of Salmonella. Of these, 6.5% of lairage samples were positive, containing estimated numbers of up to 10(4) Salmonella organisms per sampled area (50 by 50 cm). Salmonella was found on 9.6% of 240 lamb carcasses, 12.7% of 330 beef carcasses, 31% of 70 pig carcasses, 20% of 80 calf carcasses younger than 14 days of age, and none of 330 cull cow and bull carcasses. Subtyping divided the 137 isolates into seven serogroups and three pulsed-field gel electrophoresis clusters, and sensitivity testing against a bank of 16 antimicrobials indicated that 47 isolates had resistance to one or more antimicrobial agents. These results indicate that Salmonella contamination can persist in the lairage environment from one processing day to the next and that Salmonella is present on red meat carcasses, although the implications of residual lairage contamination on carcass meat microbiology are not clear from this study. Abattoir owners should take steps to reduce the level of contamination in their premises to prevent contamination from being carried over from one processing day to the next.
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Affiliation(s)
- A Small
- Division of Farm Animal Science, University of Bristol, Langford House, Bristol BS40 5DU, UK.
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Collis VJ, Reid CA, Hutchison ML, Davies MH, Wheeler KPA, Small A, Buncic S. Spread of marker bacteria from the hides of cattle in a simulated livestock market and at an abattoir. J Food Prot 2004; 67:2397-402. [PMID: 15553619 DOI: 10.4315/0362-028x-67.11.2397] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The spread of microbial contamination on the hides of beef was investigated at two stages in the meat chain: (i) in a simulated livestock market ("the market") using 33 animals, and (ii) in the unloading-to-skinning area of a commercial abattoir using 18 animals. At both stages, harmless bacterial markers (nalidixic acid-resistant Escherichia coli K-12; rifampicin- and nalidixic acid-resistant Pseudomonas fluorescens; and a tetracycline-resistant E. coli) were inoculated on the hides of a small number of selected animals, and their transfer to other animals and the environment was examined. At the market, the initial prevalence of animals positive for the hide markers (9.1% in each phase) introduced in the presale pen, sale ring, and postsale pen changed to 39.4, 15.1, and 54.5%, respectively, by the end of the market process. In addition, widespread contamination of the market environment with the hide markers was observed. At the abattoir, the initial prevalence of animals positive for the hide marker (11.1%) inoculated at unloading increased to 100% (hide before skinning) and 88.8% (skinned carcass). In addition, another marker inoculated on environmental surfaces in lairage pens, races, and stunning box was detected on 83.3% (hide before skinning) and 88.8% (skinned carcass). These results, although obtained with a relatively small number of animals, demonstrate that both the livestock market process and the unloading-to-skinning process at abattoirs can facilitate the extensive spread of microbial contamination on hides not just within, but also between, batches of animals.
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Affiliation(s)
- V J Collis
- ADAS Rosemaund, Preston Wynne, Hereford HR1 3PG, UK
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Small A, Reid CA, Buncic S. Conditions in lairages at abattoirs for ruminants in southwest England and in vitro survival of Escherichia coli O157, Salmonella Kedougou, and Campylobacter jejuni on lairage-related substrates. J Food Prot 2003; 66:1570-5. [PMID: 14503707 DOI: 10.4315/0362-028x-66.9.1570] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Information on lairages (regarding design, construction materials, and use of bedding and cleaning regimes) was collected for 21 commercial cattle and/or sheep abattoirs in southwest England. Overall, roughened or grooved concrete was the most common lairage flooring material. Straw bedding was used in the majority of lairages and was changed between animal batches, daily, weekly, and monthly in roughly 5, 60, 15, and 10%, respectively, of the surveyed lairages. Lairages were commonly washed with cold water with no detergents and/or disinfectants, and only about half the lairages were washed daily. Also, a three-pathogen cocktail inoculum comprising Escherichia coli O157 (NCTC 12900), Salmonella Kedougou (VLA S488/01), and Campylobacter jejuni (VLA C4) (at 8, 8, and 7 log CFU/ml or 8, 8, and 7 log CFU/g, respectively) was suspended in either broth (for nonfecal contamination) or bovine feces (for fecal contamination). Samples of the four most common substrates present in lairages (concrete, straw, metal, and hide) were contaminated in vitro with either fecal or nonfecal inocula and subsequently held in the laboratory at 10 or 25 degrees C for 1 week. Bacterial counts for these samples were monitored daily and used to assess the number of days required for a 90% reduction of each pathogen population. In most cases, pathogens survived for >1 week, with survival rates being higher for straw or hide than for concrete or metal and higher for fecal contamination than for nonfecal contamination. Overall, if survival rates for the three pathogens under practical lairage conditions were similar to the in vitro survival rates found in this study, contamination of lairages with pathogens could be carried over from one batch of animals to another and/or from one day to the next.
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Affiliation(s)
- A Small
- Division of Farm Animal Science, School of Veterinary Science, University of Bristol, Langford, Bristol BS40 5DU, UK
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Avery SM, Small A, Reid CA, Buncic S. Pulsed-field gel electrophoresis characterization of Shiga toxin-producing Escherichia coli O157 from hides of cattle at slaughter. J Food Prot 2002; 65:1172-6. [PMID: 12117253 DOI: 10.4315/0362-028x-65.7.1172] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Contamination of the brisket areas of the hides of healthy adult cattle with Shiga toxin-producing Escherichia coli O157 at slaughter in England was studied. In total, 73 cattle consignments comprising 584 animals delivered to one abattoir over 3 days during 1 week in July 2001 were studied: 26 cattle consignments arriving on Monday, 32 consignments arriving on Wednesday, and 15 consignments arriving on Friday. Consignment sizes ranged from 1 to 23 animals, with a mean consignment size of 8. The hide of the first animal to be slaughtered in each consignment was sampled by using a sponge swab moistened with 0.85% saline to rub an unmeasured brisket (ventral) area (ca. 30 by 30 cm). The process of isolating E. coli O157 from the swabs consisted of enrichment, screening with immunoprecipitation assay kits, and immunomagnetic separation. E. coli O157 was found on 24 of 73 (32.9%) cattle hides examined, and 21 of these 24 isolates produced Shiga toxins. The 24 E. coli O157 isolates produced six different pulsed-field gel electrophoresis profiles, and 18 (75%) of the isolates were of one prevalent clone. The high prevalence of one E. coli O157 clone on the hides of cattle at slaughter could be due to a high prevalence of that clone on the 18 farms involved (not investigated in the current study), in the postfarm transport or lairage environments, or both. Since the lairage environment, but not the farm of origin or the postfarm transport vehicle, was a factor common to all 18 cattle consignments, it could have played an important role in spreading the prevalent E. coli O157 clone to the cattle hides. Lairage pen floors and the stunning box floor were identified as the most probable sites along the unloading-to-slaughter route at which the brisket areas of cattle hides could become contaminated.
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Affiliation(s)
- S M Avery
- Department of Clinical Veterinary Science, University of Bristol, UK
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Small A, Reid CA, Avery SM, Karabasil N, Crowley C, Buncic S. Potential for the spread of Escherichia coli O157, Salmonella, and Campylobacter in the lairage environment at abattoirs. J Food Prot 2002; 65:931-6. [PMID: 12092725 DOI: 10.4315/0362-028x-65.6.931] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Prevalences of Escherichia coli O157, Salmonella spp., and Campylobacter spp. were examined in 270 swabs taken from selected sites along the unloading-to-slaughter routes of animal movement in lairages of six commercial abattoirs, three for cattle and three for sheep. The overall prevalences of the pathogens in the respective lairage environments were compared with those for 270 swabs from the pelts of 90 lambs examined in the present study and 270 swabs from the hides of 90 cattle examined in a previous study that were slaughtered at the same abattoirs on the same days. Also, the results obtained were analyzed with the aim of identifying critical points at which animal-environment-animal transfer of the pathogens in lairages occurs. The results showed that (i) the overall prevalences of E. coli O157, Salmonella spp., and Campylobacter spp. were 27.2, 6.1, and 1.1%, respectively, in cattle lairages and 2.2, 1.1, and 5.6%, respectively, in sheep lairages; (ii) the overall prevalences of the three pathogens on cow hides (28.8, 17.7, and 0%, respectively) and sheep pelts (5.5, 7.8, and 0%, respectively) were higher than the overall prevalences in the respective lairage environments; (iii) the most frequently contaminated sites in cattle lairages were holding pen floors (50% of swabs positive for one or more pathogens), entrance gates of stun boxes (27.8% of swabs positive for one or more pathogens), and stun box floors (22.2% of swabs positive for one or more pathogens); (iv) the most frequently contaminated sites in sheep lairages were unloading ramp floors, holding pen floors, and water troughs (33.3, 22.2, and 22.2%, respectively); and (v) overall, cattle lairages and cow hides were more frequently contaminated with the pathogens than were lamb lairages and lamb pelts. Further research is needed to develop strategies for the incorporation of pathogen control in lairages into integrated microbial meat safety systems.
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Affiliation(s)
- A Small
- Department of Clinical Veterinary Science, University of Bristol, Langford, UK
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Szabo A, Small A, Leigh M. The effects of slow- and fast-rhythm classical music on progressive cycling to voluntary physical exhaustion. J Sports Med Phys Fitness 1999; 39:220-5. [PMID: 10573664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
BACKGROUND To investigate, based on the parallel information processing model and arousal hypothesis, whether musical tempo and its manipulation during exercise affect the maximal workload (watts) achieved during progressive cycling. METHODS DESIGN repeated measures experiment that involved one control and four treatment conditions. SETTINGS the experiment was performed in a controlled laboratory environment. PARTICIPANTS twenty-four male and female volunteers, recruited from among a University population, were tested. INTERVENTION the data collection proceeded in five counterbalanced test-sessions that included control (C), slow music (SM), fast music (FM) slow to fast music (SFM) and fast to slow music (FSM) interventions. In the last two conditions, musical tempo was changed when the participant's maximal HR reserve has reached 70%. In all test-sessions, participants started to cycle at 50 watts and then the workload was increased in increments of 25 watts every minute until self-declared exhaustion. Maximal ergometer cycling was defined as the workload at the last completed minute of exercise. MEASURES workload, HR, and postexperimental ratings of test-session preferences were the dependent measures. RESULTS Significantly higher workload was accomplished in the SFM condition. No between-session differences were seen in HR. The results also yielded significantly better "efficiency", in terms of workload/HR reserve ratio, in the SFM session. PARTICIPANTS preferred the FM and SFM sessions more than the other sessions. CONCLUSIONS Switching to FM during progressive exercise results in the accomplishment of more work without proportional changes in HR. These effects may be due to distraction from fatigue and are, apparently, dependent on the attention capturing strength of the distracting stimulus.
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Affiliation(s)
- A Szabo
- Department of Life Sciences, Nottingham Trent University, UK
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Small A. Are you sitting comfortably? Nurs Times 1999; 95:24-5. [PMID: 10067565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- A Small
- St Mark's Hospital for Intestinal and Colorectal Disorders, Harrow
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Pyke-Grimm KA, Degner L, Small A, Mueller B. Preferences for participation in treatment decision making and information needs of parents of children with cancer: a pilot study. J Pediatr Oncol Nurs 1999; 16:13-24. [PMID: 9989013 DOI: 10.1177/104345429901600103] [Citation(s) in RCA: 101] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This study was performed to obtain information on parents of children with cancer: (a) what role parents preferred to assume in treatment decision making (TDM); (b) parents' priority information needs; (c) if a relationship existed between TDM preferences and information needs; and (d) if sociodemographic, disease and treatment variables predicted TDM preferences or information needs. A cross-sectional survey was conducted with a convenience sample of 58 parents who had a child less than 13 years of age diagnosed with cancer in the previous year. Instruments included a Sociodemographic, Disease, and Treatment Questionnaire; the Control Preferences Scale for Pediatrics, and an Information Needs Questionnaire. The results showed that parents had systematic preferences about TDM, preferring collaborative followed by passive and active roles. Nine priorities in information needs (highest to lowest) were found: (a) treatments and tests, (b) cure, (c) caring for my child, (d) emotional impact, (e) side effects, (f) physical impact, (g) disease, (h) coping with painful procedures, and (i) impact on the family. Sociodemographic, disease and treatment variables were not predictive of preferences for TDM or information needs. Concrete informational needs take precedence over issues of emotional or family impact or pain. A low Kendall's coefficient (0.07) indicated that parents as a group do not have uniform information needs. Information giving must be individualized.
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Affiliation(s)
- K A Pyke-Grimm
- Department of Nursing, Children's Hospital of Winnipeg, Manitoba, Canada
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