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Schulman J, Stricof R, Stevens TP, Horgan M, Gase K, Holzman IR, Koppel RI, Nafday S, Gibbs K, Angert R, Simmonds A, Furdon SA, Saiman L. Statewide NICU central-line-associated bloodstream infection rates decline after bundles and checklists. Pediatrics 2011; 127:436-44. [PMID: 21339265 DOI: 10.1542/peds.2010-2873] [Citation(s) in RCA: 224] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE In 2008, all 18 regional referral NICUs in New York state adopted central-line insertion and maintenance bundles and agreed to use checklists to monitor maintenance-bundle adherence and report checklist use. We sought to confirm whether adopting standardized bundles and using central-line maintenance checklists reduced central-line-associated bloodstream infections (CLABSI). METHODS This was a prospective cohort study that enrolled all neonates with a central line who were hospitalized in any of 18 NICUs. Each NICU reported CLABSI and central-line utilization data and checklist use. We used χ(2) to compare CLABSI rates in the preintervention (January to December 2007) versus the postintervention (March to December 2009) periods and Poisson regression to model adjusted CLABSI rates. RESULTS Each study period included more than 55 000 central-line days and more than 200 000 patient-days. CLABSI rates decreased 67% statewide (risk ratio: 0.33 [95% confidence interval: 0.27-0.41]; P < .0005); after adjusting for the altered central-line-associated bloodstream infection definition in 2008, by 40% (risk ratio: 0.60 [95% confidence interval: 0.48-0.75]; P < .0005). A total of 13 of 18 NICUs reported using maintenance checklists for 10% to 100% of central-line days. The checklist-use rate was associated with the CLABSI rate (coefficient: -0.57, P = .04). A total of 10 of 18 NICUs were independent CLABSI rate predictors, ranging from 1 site with greatly reduced risk (incidence rate ratio: 0.04, P < .0005) to 1 site with greatly increased risk (incidence rate ratio: 2.87, P < .0005). CONCLUSIONS Although standardizing central-line care elements led to a significant statewide decline in NICU CLABSIs, site of care remains an independent risk factor. Using maintenance checklists reduced CLABSIs.
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Comparative Study |
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Kenny G, McCann K, O’Brien C, Savinelli S, Tinago W, Yousif O, Lambert JS, O’Broin C, Feeney ER, De Barra E, Doran P, Mallon PWG, Cotter A, Muldoon E, Sheehan G, McGinty T, Lambert JS, Green S, Leamy K, Kenny G, McCann K, McCann R, O’Broin C, Waqas S, Savinelli S, Feeney E, Mallon PWG, Garcia Leon A, Miles S, Alalwan D, Negi R, de Barra E, McConkey S, Hurley K, Sulaiman I, Horgan M, Sadlier C, Eustace J, Kelly C, Bracken T, Whelan B, Low J, Yousif O, McNicholas B, Courtney G, Gavin P. Identification of Distinct Long COVID Clinical Phenotypes Through Cluster Analysis of Self-Reported Symptoms. Open Forum Infect Dis 2022; 9:ofac060. [PMID: 35265728 PMCID: PMC8900926 DOI: 10.1093/ofid/ofac060] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 02/01/2022] [Indexed: 12/14/2022] Open
Abstract
Background We aimed to describe the clinical presentation of individuals presenting with prolonged recovery from coronavirus disease 2019 (COVID-19), known as long COVID. Methods This was an analysis within a multicenter, prospective cohort study of individuals with a confirmed diagnosis of COVID-19 and persistent symptoms >4 weeks from onset of acute symptoms. We performed a multiple correspondence analysis (MCA) on the most common self-reported symptoms and hierarchical clustering on the results of the MCA to identify symptom clusters. Results Two hundred thirty-three individuals were included in the analysis; the median age of the cohort was 43 (interquartile range [IQR], 36–54) years, 74% were women, and 77.3% reported a mild initial illness. MCA and hierarchical clustering revealed 3 clusters. Cluster 1 had predominantly pain symptoms with a higher proportion of joint pain, myalgia, and headache; cluster 2 had a preponderance of cardiovascular symptoms with prominent chest pain, shortness of breath, and palpitations; and cluster 3 had significantly fewer symptoms than the other clusters (2 [IQR, 2–3] symptoms per individual in cluster 3 vs 6 [IQR, 5–7] and 4 [IQR, 3–5] in clusters 1 and 2, respectively; P < .001). Clusters 1 and 2 had greater functional impairment, demonstrated by significantly longer work absence, higher dyspnea scores, and lower scores in SF-36 domains of general health, physical functioning, and role limitation due to physical functioning and social functioning. Conclusions Clusters of symptoms are evident in long COVID patients that are associated with functional impairments and may point to distinct underlying pathophysiologic mechanisms of disease.
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Glenn S, Dayus B, Cunningham C, Horgan M. Mastery motivation in children with Down syndrome. DOWN'S SYNDROME, RESEARCH AND PRACTICE : THE JOURNAL OF THE SARAH DUFFEN CENTRE 2001; 7:52-9. [PMID: 11721530 DOI: 10.3104/reports.114] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Mastery motivation refers to the intrinsic motivation children have to interact with their environments in order to learn about them. It appears early in life, and has been regarded by many researchers as a key motivator for development. It has also been suggested that young school age children with Down syndrome show lowered motivation to perform tasks. It is important to know if this low motivation is present from the start, or develops as a result of environmental experiences; studies of mastery motivation have been one way of investigating this issue. However definitions of mastery motivation, and hence empirical studies, have varied. Thus this paper starts by revisiting the issues surrounding definition and measurement. There is general agreement on some issues: that mastery motivation is intrinsic, that it is manifest in different behaviours as the child develops, that there are individual differences in mastery behaviour, and that these are affected by environmental factors. There is also current agreement that it is essential to remove the confound of differing levels of developmental competence by using individualized measurement. However there is disagreement about which behaviours best index mastery motivation. Some empirical work with infants with Down syndrome is reviewed, and results from a recent longitudinal study on the development of mastery motivation are presented. The results concurred with most others in the recent literature, suggesting that low mastery motivation is not inevitable in infancy in Down syndrome. Infants with Down syndrome showed similar patterns of development as typically developing children, with slight delays. It is argued that longitudinal studies are needed to demonstrate such patterns of development. As the children developed from 6 to 24 months mental age there was no evidence for decreasing levels of mastery motivation. Thus there was no support for the view that more failure experiences impact on levels of mastery motivation. In contrast caregivers did see their young children with Down syndrome as less object mastery oriented than did caregivers of typically developing children. The caregivers of children with Down syndrome were also significantly more directive in their interactions with their children, and there was some suggestion that individual differences in mastery behaviours were related to levels of mastery behaviours in their children. The final section speculates on reasons for these results, and makes suggestions for future work.
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Meredith K, Delaney J, Horgan M, Fisher E, Fraser V. A survey of women with HIV about their expectations for care. AIDS Care 1997; 9:513-22. [PMID: 9404394 DOI: 10.1080/713613195] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
As an increasing number of women become infected with the human immunodeficiency virus (HIV), it is important to understand their expectations regarding the health care services they receive. In 1995 a new centre was opened at an academic centre in St Louis, Missouri, to provide comprehensive care to women with HIV. To assist in the Centre's development, we interviewed 50 of 119 enrolled clients (42%) using a survey instrument focusing on what they consider important in their care. In response to open-ended questions, clients most often mentioned wanting a sense of personalized caring and respect by medical staff (n = 28, [56%]), having someone to talk to about problems (n = 28, [56%]), honest answers about their condition (n = 23, [46%]), medical follow-up (n = 21, [42%]), reduced barriers to care (n = 20, [40%]), and education about their condition (n = 15, [30%]). The highest-ranked aspects of care were seeing the doctor, learning about their condition, and being seen in a pleasant environment (92% [n = 46%]). Significant differences were found in some responses when analysed according to race, educational level, and severity of disease. It is important that programmes delivering health care services to women with HIV provide services that take into account their individualized needs. Ideally, this requires incorporation of a multidisciplinary team to provide psychological and social support, patient education, and medical management.
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Stevens TP, Shields E, Campbell D, Combs A, Horgan M, La Gamma EF, Xiong K, Kacica M. Variation in Enteral Feeding Practices and Growth Outcomes among Very Premature Infants: A Report from the New York State Perinatal Quality Collaborative. Am J Perinatol 2016; 33:9-19. [PMID: 26084749 DOI: 10.1055/s-0035-1554794] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Extrauterine growth restriction (EUGR) is inversely related to neurodevelopmental outcome. We analyzed growth outcomes and enteral nutrition practices among preterm infants at New York State (NYS) regional perinatal centers (RPCs) to identify practices associated with risk of EUGR. METHODS Surviving infants < 31 weeks' gestation admitted to a NYS RPC during 2010 were identified and data collected on their growth and enteral nutrition from a statewide database. Neonatologists at NYS RPCs were surveyed to identify center-specific nutritional practices. Survey responses, nutrition, and growth data were then analyzed to identify factors associated with risk of EUGR. RESULTS Of the 1,387 infants, 32.6% were discharged with EUGR. Incidence of EUGR varied more than fivefold among RPCs. Nutritional practices directly related to EUGR included age at first enteral feeding and full enteral feedings. Among the surveyed nutrition practices, longer duration of trophic feeding before advancing was associated with an increased risk of EUGR while later discontinuation of total parenteral nutrition and larger trophic feeding volume were associated with lower risk. CONCLUSION Our study found marked variation in nutrition practices and incidence of EUGR among preterm infants at NYS RPCs. A statewide quality improvement initiative to reduce practice variation and improve growth in preterm infants is underway.
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Observational Study |
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21 |
6
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Doyle B, Mawji Z, Horgan M, Stillman P, Rinehart A, Bailey J, Mullin E. Decreasing nosocomial urinary tract infection in a large academic community hospital. ACTA ACUST UNITED AC 2006; 6:127-36. [PMID: 16397998 DOI: 10.1097/00129234-200105000-00007] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Urinary Tract Infection (UTI) is the second most prevalent complication at Lehigh Valley Hospital and Health Network, occurring in 3% of all patients admitted over a 12-month period and contributing to a significant increase in costs. Utilizing data from CareScience's Care Management System, an online decision support tool, in conjunction with hospital laboratory data, and without manual chart review, approximately 20% of all UTIs diagnosed were found to be potentially nosocomial, and were often treated with an expensive broad-spectrum antibiotic. A multidisciplinary hospital committee developed interventions to study and address these findings. The National Nosocomial Infection Surveillance program was initiated on selected units of the hospital; strict catheter placement guidelines and a postoperative urinary retention protocol were developed to minimize catheter use and dwell time, a cost-benefit analysis was conducted, antibiotic use for UTIs was evaluated, and system-wide education was conducted for physicians, residents, and nurses.
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Journal Article |
19 |
16 |
7
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Maher B, O'Neill R, Faruqui A, Bergin C, Horgan M, Bennett D, O'Tuathaigh CMP. Survey of Irish general practitioners' preferences for continuing professional development. EDUCATION FOR PRIMARY CARE 2017; 29:13-21. [PMID: 28612643 DOI: 10.1080/14739879.2017.1338536] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Doctors' continuing professional development (CPD) training needs are known to be strongly influenced by national and local contextual characteristics. Given the changing national demographic profile and government-mandated changes to primary care health care provision, this study aimed to investigate Irish General Practitioners' (GPs) perceptions of, and preferences for, current and future CPD programmes. METHODS A cross-sectional questionnaire, using closed- and open-ended questions, was administered to Irish GPs, focusing on training needs analysis; CPD course content; preferred format and the learning environment. RESULTS The response rate was 719/1000 (71.9%). GPs identified doctor-patient communication as the most important and best-performed GP skill. Discrepancies between perceived importance (high) and current performance (low) emerged for time/workload management, practice finance and business skills. GPs identified clinically-relevant primary care topics and non-clinical topics (stress management, business skills, practice management) as preferences for future CPD. Flexible methods for CPD delivery were important. Gender and practice location (urban or rural) significantly influenced CPD participation and future course preference. CONCLUSION The increasing diversity of services offered in the Irish primary care setting, in both clinical and non-clinical areas, should be tailored based to include GP practice location and structure.
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Journal Article |
8 |
16 |
8
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Aldeen T, Horgan M, Macallan DC, Thomas V, Hay P. Is acute appendicitis another inflammatory condition associated with highly active antiretroviral therapy (HAART)? HIV Med 2000; 1:252-5. [PMID: 11737357 DOI: 10.1046/j.1468-1293.2000.00037.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To report the occurrence of acute appendicitis as a possible manifestation of the immune restoration inflammatory syndrome (IRIS) following the commencement of highly active antiretroviral therapy (HAART) in HIV patients. DESIGN Case-note review of HIV patients on HAART with acute appendicitis. METHODS Review of HIV markers, antiretroviral therapy and abdominal ultrasound results of four HIV patients with acute appendicitis and the histopathology reports on the appendix in two of the patients. RESULTS From a population of approximately 350 HIV patients on HAART, we found four patients who developed acute appendicitis within 6 months of commencing or changing HAART. CONCLUSION Acute appendicitis occurring in HIV patients on HAART may represent a variant of IRIS. Further immunohistopathological and epidemiological evaluation will be needed to define this relationship fully.
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Case Reports |
25 |
12 |
9
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Quinn JP, Gilligan OM, Horgan M. Evan's syndrome complicating multicentric Castleman's disease -- dramatic response to rituximab. Eur J Haematol 2004; 73:384-5. [PMID: 15458520 DOI: 10.1111/j.1600-0609.2004.00302.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
MESH Headings
- Adult
- Anemia, Hemolytic, Autoimmune/complications
- Anemia, Hemolytic, Autoimmune/drug therapy
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Murine-Derived
- Castleman Disease/complications
- Female
- Humans
- Purpura, Thrombocytopenic, Idiopathic/complications
- Purpura, Thrombocytopenic, Idiopathic/drug therapy
- Rituximab
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Comment |
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11 |
10
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Webster CB, Chen D, Horgan M, Olivo PD. The varicella-zoster virus origin-binding protein can substitute for the herpes simplex virus origin-binding protein in a transient origin-dependent DNA replication assay in insect cells. Virology 1995; 206:655-60. [PMID: 7831822 DOI: 10.1016/s0042-6822(95)80084-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
We isolated two recombinant baculoviruses each of which expresses a varicella-zoster virus (VZV) homolog of one of the seven herpes simplex virus type 1 (HSV-1) genes required for DNA replication. We performed transient origin-dependent DNA replication assays in insect cells in which we substituted a baculovirus which expresses a VZV protein for a baculovirus which expresses its HSV homolog. VZV gene 51 protein was found to be able to support origin-dependent DNA synthesis when it was substituted for UL9, the HSV-1 origin-binding protein (OBP). This occurred whether an HSV-1 or a VZV origin-containing plasmid was used in the assay. These results suggest that VZV gene 51 protein is able to interact with the HSV replication machinery, and in light of the extensive structural divergence of these proteins, it suggests that initiation of VZV and HSV-1 DNA synthesis may involve a limited number of interactions between the OBP and other replication factors. Substitution of infected-cell protein 8 (ICP8), the major single-stranded DNA-binding protein of HSV-1, with VZV gene 29 protein, however, did not result in amplification of plasmids containing either an HSV-1 or a VZV origin. In the absence of ICP8, addition of both VZV gene 51 protein and gene 29 protein was also negative for origin-dependent replication whether or not UL9 was present. Although demonstration that our baculovirus-expressed VZV gene 29 protein is functional for DNA replication will await development of a VZV replication system, our results suggest that VZV gene 29 protein is unable to interact functionally with one or more of the HSV replication proteins. This approach should contribute to efforts to define the interactions among the alphaherpesvirus DNA replication proteins.
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11
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Duggan EM, O'Tuathaigh CMP, Horgan M, O'Flynn S. Enhanced research assessment performance in graduate vs. undergraduate-entry medical students: implications for recruitment into academic medicine. QJM 2014; 107:735-41. [PMID: 24677321 DOI: 10.1093/qjmed/hcu064] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Studies investigating variance between the academic performance of direct-entry (DEM) versus graduate-entry (GEM) medical students have yielded conflicting results, but their performance in undergraduate research-based assessments has not been compared to-date. AIM We aimed to compare the results of DEM and GEM students with respect to their senior research dissertation module. METHODS This retrospective study examined the final year results between 2011-2012 in DEM, (n = 219) and GEM (n = 84) students. Between-group comparisons of dissertation module marks were conducted using independent t-tests. Correlations between marks in dissertation module and in other disciplines assessed during the final year were attained using Pearson's correlation. Multiple regression analysis was employed to adjust for potential confounding factors such as student age and gender. RESULTS No apparent difference was apparent between the DEM and GEM students with respect to results achieved across the clinical disciplines examined. However, GEM students performed significantly better than DEMs in their senior research dissertation assessment (Mean = 66.81% vs. 65.00%, fully adjusted p = 0.048). The variable which remained influential in regression analysis was nationality, where North American and Asian students were demonstrated to score lower than their Irish counterparts in the dissertation module (B coefficient = -1.90, SE = 0.94, P = 0.045 and B coefficient = -4.88, SE = 1.00, P < 0.001 respectively). CONCLUSIONS Performance in the research-based module was significantly better in GEM relative to their DEM colleagues. This finding may have implications for future recruitment into academic medicine, as aptitude and interest in research at undergraduate level has been shown to be associated with increased likelihood of an academic career in medicine.
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Comparative Study |
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8 |
12
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Abstract
We describe a case in which a patient infected with the human immunodeficiency virus (HIV) with high plasma viral titers underwent an arthroscopic partial meniscectomy allowing us the opportunity to measure the HIV titer of serial aliquots of the arthroscopic effluent using the polymerase chain reaction. Two out of six aliquots were found to be HIV positive with 598 and 486 viral copies per milliliter noted. The plasma viral load at the time of surgery was 149,000 copies per milliliter, whereas the prearthroscopy synovial fluid failed to show any detectable virus. This is the first report to our knowledge of HIV detected in an arthroscopic effluent. The clinical implications for the arthroscopist are also discussed.
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Case Reports |
28 |
7 |
13
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Sarraf CE, Horgan M, Edwards RJ, Alison MR. Reversal of phenobarbital-induced hyperplasia and hypertrophy in the livers of lpr mice. Int J Exp Pathol 1997; 78:49-56. [PMID: 9166105 PMCID: PMC2694519 DOI: 10.1046/j.1365-2613.1997.d01-238.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Fas is a cell surface receptor that mediates apoptosis, and Fas mRNA has been demonstrated in hepatocytes. MRL/MP-lpr/lpr mice carry the mutated lymphoproliferation-associated gene, lpr, that codes for truncated Fas protein, resulting in reduced apoptotic potential in some circumstances. Phenobarbital treatment of experimental animals induces cytochrome P450 enzymes, and thus acts as a growth stimulus to the liver with both hyperplasia and hypertrophy; cessation results in reversion of liver to normal size with apoptosis playing a role. This study has determined the respective contributions of atrophy and apoptosis to this involution in Fas-defective and normal-FAs bearing animals. Between the first day and the fifth day after phenobarbital cessation, the weights of both Fas-defective (lpr/lpr) livers and control (lpr/+) livers reduced. Hepatocyte hypertrophy gradually reverted in both categories of mouse and this was the greater contribution to reduction in liver size. In lpr/lpr animals, there was a consistent level of apoptosis which remained relatively constant, while numbers of apoptotic cells in control livers increased over the period. This investigation has shown that in liver, a mechanism to execute apoptosis is operative even in Fas-defective mice, but it is not sensitive to signals activated by the removal of the growth stimulus. This is in contrast to mice which can mount a Fas-mediated response; thus a separate apoptotic pathway is indicated.
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research-article |
28 |
6 |
14
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McCarthy CM, O'Sullivan S, Corcoran P, Eogan M, Bennett D, Horgan M, O'Donoghue K. Medicine, media and the law: The effect on training in obstetrics and gynaecology. Eur J Obstet Gynecol Reprod Biol 2020; 257:35-41. [PMID: 33359922 DOI: 10.1016/j.ejogrb.2020.12.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/12/2020] [Accepted: 12/06/2020] [Indexed: 10/22/2022]
Abstract
The inextricable link between medicine and the legal profession has flourished in the 21st century, with countless newspaper articles and social media content on medical cases visible at every juncture. This is particularly true in the speciality of obstetrics and gynaecology, with one of the highest rates of litigation of all medical specialities. We aimed to evaluate the influence of media and the legal environment on the career of trainees in obstetrics and gynaecology. Under the auspices of the Irish national training body, we distributed a 26-item questionnaire to doctors-in-training (DIT) working in obstetrics and gynaecology in the Republic of Ireland. Descriptive statistics and Chi-squared analyses were performed on the anonymised data. 151 DIT responded to the questionnaire, with a response rate of 86.2 % (sample size = 175). The majority were female (79.9 %, n = 121), Irish (85.5 %, n = 106) and had no children (67.0 %, n = 83). 86.7 % (n = 131) felt that the media did not have a positive impact on patients receiving care, and, further, unfairly represented the speciality (94.1 %; n = 142). Additionally, DIT felt that medico-legal issues had a negative impact on issues such as retention and recruitment. These two areas were implicated in over three quarters of DIT considering leaving the speciality. This study demonstrates that DIT perceive media scrutiny and litigation to have a negative effect on the speciality of obstetrics and gynaecology. Further support integrated into specialist training, is needed to ensure that trainees are adequately equipped to deal with both mainstream and social media as well as interactions they may have with the legal profession as they progress through their career.
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Journal Article |
5 |
5 |
15
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Frank EH, Horgan M. An endoscopic aneurysm clip applicator: preliminary development. MINIMALLY INVASIVE NEUROSURGERY : MIN 1999; 42:89-91. [PMID: 10422705 DOI: 10.1055/s-2008-1053378] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Visualization of an aneurysm and its associated vessels is necessary for the proper application of aneurysm clips. Microscopes provide binocular magnification and excellent illumination but often visualization is obscured by overriding vessels and the limitation of the operative approach. If this occurs the aneurysm may be incompletely clipped or small perforators may be included in the clip. In an attempt to improve visualization during aneurysm clipping we have incorporated a small endoscope into the aneurysm clip applicator so that the tips of the clip can be observed at all times. Here we report our initial experimental results with this instrument.
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26 |
5 |
16
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Khalak R, Horgan M. Association of maternal obesity and neonatal hypoxic ischemic encephalopathy. J Perinatol 2020; 40:174-175. [PMID: 31748656 DOI: 10.1038/s41372-019-0559-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/04/2019] [Accepted: 11/07/2019] [Indexed: 11/09/2022]
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Letter |
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5 |
17
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Levis J, Kenny-Walsh E, O'Sullivan K, Horgan M, Whelton M, Shanahan F, Fanning L. Strategy for the maximization of clinically relevant information from hepatitis C virus, RT-PCR quantification. J Clin Virol 2001; 20:163-71. [PMID: 11166666 DOI: 10.1016/s1386-6532(00)00177-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND The increasing clinical application of viral load assays for monitoring viral infections has been an incentive for the development of standardized tests for the hepatitis C virus. OBJECTIVE To develop a simple model for the prediction of baseline viral load in individuals infected with the hepatitis C virus. METHODOLOGY Viral load quantification of each patient's first sample was assessed by RT-PCR-ELISA using the Roche MONITOR assay in triplicate. Genotype of the infecting virus was identified by reverse line probe hybridization, using amplicons resulting from the qualitative HCV Roche AMPLICOR assay. RESULTS Retrospective evaluation of first quantitative values suggested that 82.4% (n=168/204) of individuals had a viral load between 4.3 and 6.7 log(10) viral copies per ml. A few patients (3.4%; n=7/204) have a serum viremia less than the lower limit of the linear range of the RT-PCR assay. Subsequent, prospective evaluation of hepatitis C viral load of all new patients using a model based on the dynamic range of viral load in the retrospective group correctly predicted the dynamic range in 75.9% (n=33/54). CONCLUSION The dynamic range of hepatitis C viremia extends beyond the linear range of the Roche MONITOR assay. Accurate determination of serum viremia is substantially improved by dilution of specimens prior to quantification.
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18
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Brailer DJ, Goldfarb S, Horgan M, Katz F, Paulus RA, Zakrewski K. Improving performance with clinical decision support. THE JOINT COMMISSION JOURNAL ON QUALITY IMPROVEMENT 1996; 22:443-56. [PMID: 8858416 DOI: 10.1016/s1070-3241(16)30247-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND CADU/CIS (Clinical and Administrative Decision-support Utility and Clinical Information System) is a clinical decision-support workstation that allows large volumes of clinical information systems data to be analyzed in a timely and user-friendly fashion. CARE PROCESS MEASUREMENT: For any given disease, subgroups of patients are identified, and automated, customized "clinical pathways" are generated. For each subgroup, the best practice norms for use of test and therapies are identified. Practice style variations are then compared to outcomes to focus inquiry on decisions that significantly affect outcomes. CASE STUDY INTESTINAL OBSTRUCTION: Graduate Health Systems, a multisite integrated provider in the Philadelphia area, has used CADU/CIS to improve quality problems, reduce treatment-intensity variations, and improve clinical participation in care process evaluation and decision making. A task force selected intestinal obstruction without hernia as its first study because of the related high-volume and high-morbidity complications. Use of a ten-step method for clinical performance improvement showed that the intravenous administration of unnecessary fluids to 104 patients with intestinal obstruction induced congestive heart failure (CHF) in 5 patients. Task force members and other practicing physicians are now developing guidelines and other interventions aimed at fluid use. Indeed, the task force used CADU/CIS to identify an additional 250 patients in one year whose conditions were complicated by CHF. CONCLUSION A clinical decision support tool can be instrumental in detecting problems with important clinical and economic implications, identifying their important underlying causes, tracking the associated tests and therapies, and monitoring interventions.
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19
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Abstract
Sexually transmitted diseases have the greatest impact on the health of women. They are frequently asymptomatic, so screening for infection is important in preventing the long-term sequelae which include infertility, ectopic pregnancy, and chronic pelvic pain. HIV continues to increase in the female population and the gynecologic complications associated with it are unique to this population. Use of zidovudine in pregnant HIV-infected women has substantially decreased the rate of vertical transmission of HIV infection. The epidemiologic synergy between HIV and STDs is well recognized and prevention of one is dependent on prevention of the other.
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Whyte D, Powell J, Horgan M, O'Connell N, Fitzgerald R, Monahan R, Greally T. Trends in genital chlamydia infection in the Mid-West of Ireland, 2001-2006. ACTA ACUST UNITED AC 2007; 12:E13-4. [PMID: 17997925 DOI: 10.2807/esm.12.10.00741-en] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Genital Chlamydia trachomatis (GCT) infection is the most common bacterial sexually transmitted infection (STI) in Ireland. A retrospective analysis of 2,087 laboratory-confirmed GCT patient episodes from 2001 to 2006 in the Mid-West of Ireland was undertaken in conjunction with statutorily notifiable data that were reported by the Sexually Transmitted Disease/Genito-Urinary Medicine (STD/GUM) services in the region and used in national surveillance. Data were analysed by year, source, sex and age. The annual incidence of GCT in the Mid-West is increasing. A substantial proportion of GCT infections were diagnosed in the non-STD/GUM setting. The issue of sexually active young people seeking STI screening is a sensitive one, and delays increase the potential for transmission and the possibility of long-term complications when the disease is not treated. Based on this sample, national surveillance would significantly underestimate the burden of disease in Ireland, due to under-reporting. This would have implications for any national chlamydia screening programme. Among those who sought testing, women aged 15 to 19 years are five times more likely to be found positive than men in the same age group. Of those diagnosed in the non-STD/GUM setting, 83% were women. General practitioners and clinicians might consider targeting those aged 15 to 29 years for opportunistic screening and sexual health advice. Contact tracing and follow-up in the non-STD/GUM setting, as well as access for general practitioners to ongoing education on STIs are challenges to be addressed.
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Brennan A, Jackson A, Browne JP, Bergin C, Horgan M. Use of Hospital Services by HIV Patients, 2012. VALUE IN HEALTH : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH 2014; 17:A684. [PMID: 27202534 DOI: 10.1016/j.jval.2014.08.2556] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
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Fitzgerald M, Horgan M. Screening for abnormal eating attitudes in an unselected population of 16 year old Dublin schoolgirls. Ir J Med Sci 1991; 160:170-2. [PMID: 1752739 DOI: 10.1007/bf02961665] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Swanson JR, Becker A, Fox J, Horgan M, Moores R, Pardalos J, Pinheiro J, Stewart D, Robinson T. Implementing an exclusive human milk diet for preterm infants: real-world experience in diverse NICUs. BMC Pediatr 2023; 23:237. [PMID: 37173652 PMCID: PMC10176849 DOI: 10.1186/s12887-023-04047-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 04/29/2023] [Indexed: 05/15/2023] Open
Abstract
BACKGROUND Human milk-based human milk fortifier (HMB-HMF) makes it possible to provide an exclusive human milk diet (EHMD) to very low birth weight (VLBW) infants in neonatal intensive care units (NICUs). Before the introduction of HMB-HMF in 2006, NICUs relied on bovine milk-based human milk fortifiers (BMB-HMFs) when mother's own milk (MOM) or pasteurized donor human milk (PDHM) could not provide adequate nutrition. Despite evidence supporting the clinical benefits of an EHMD (such as reducing the frequency of morbidities), barriers prevent its widespread adoption, including limited health economics and outcomes data, cost concerns, and lack of standardized feeding guidelines. METHODS Nine experts from seven institutions gathered for a virtual roundtable discussion in October 2020 to discuss the benefits and challenges to implementing an EHMD program in the NICU environment. Each center provided a review of the process of starting their program and also presented data on various neonatal and financial metrics associated with the program. Data gathered were either from their own Vermont Oxford Network outcomes or an institutional clinical database. As each center utilizes their EHMD program in slightly different populations and over different time periods, data presented was center-specific. After all presentations, the experts discussed issues within the field of neonatology that need to be addressed with regards to the utilization of an EHMD in the NICU population. RESULTS Implementation of an EHMD program faces many barriers, no matter the NICU size, patient population or geographic location. Successful implementation requires a team approach (including finance and IT support) with a NICU champion. Having pre-specified target populations as well as data tracking is also helpful. Real-world experiences of NICUs with established EHMD programs show reductions in comorbidities, regardless of the institution's size or level of care. EHMD programs also proved to be cost effective. For the NICUs that had necrotizing enterocolitis (NEC) data available, EHMD programs resulted in either a decrease or change in total (medical + surgical) NEC rate and reductions in surgical NEC. Institutions that provided cost and complications data all reported a substantial cost avoidance after EHMD implementation, ranging between $515,113 and $3,369,515 annually per institution. CONCLUSIONS The data provided support the initiation of EHMD programs in NICUs for very preterm infants, but there are still methodologic issues to be addressed so that guidelines can be created and all NICUs, regardless of size, can provide standardized care that benefits VLBW infants.
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Murray R, Dumont T, Horgan M. Quantification of the Surgical Operative Corridor in Transnasal Odontoidectomy. Skull Base 2011. [DOI: 10.1055/s-2011-1274224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Trayer J, Horgan M, Prior AR, Ryan M, Nadeem M. Co-Amoxiclav as empiric treatment of UTI in children: importance of surveillance in ensuring optimal empiric treatment choice. Int J Clin Pharm 2021; 44:256-259. [PMID: 34423380 PMCID: PMC8866344 DOI: 10.1007/s11096-021-01318-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 08/12/2021] [Indexed: 11/25/2022]
Abstract
Background Urinary tract infections are common and require prompt treatment. Objective To examine the resistance rates of co-amoxiclav in children with urinary tract infection and whether antimicrobial resistance is influenced by other variables. Methods The records and antibiotic susceptibility data of 209 patients admitted with symptomatic urinary tract infection between January 2018 and December 2019 were reviewed. Results We examined 209 patients [mean (SD) age 23.73 (32.86) months], of whom 176 (84.2%) had first urinary tract infection. Escherichia coli was isolated in 190 (90.1%). Uropathogens were sensitive to co-amoxiclav in 47.8% of patients and gentamicin in 95.2%. Combined co-amoxiclav with gentamicin demonstrated antimicrobial sensitivity in 96.2%. Antimicrobial resistance was associated with longer hospital stay (p-value < 0.02). An association was identified between co-amoxiclav resistance and recurrent urinary tract infections. Uropathogens were resistant to co-amoxiclav in 80/176 (45.5%) and 29/33 (87.9%) patients with first and recurrent urinary tract infections, respectively (p-value 0.001). No link was observed between antimicrobial resistance and atypical urinary tract infection. Conclusion Approximately half of children in this cohort had urinary tract infection due to uropathogens resistant to co-amoxiclav. Co-amoxiclav resistance is associate with recurrent infections and longer hospital stays. A combination of co-amoxiclav and gentamicin demonstrates > 96% susceptibility.
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