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Frequency, kinetics and determinants of viable SARS-CoV-2 in bioaerosols from ambulatory COVID-19 patients infected with the Beta, Delta or Omicron variants. Nat Commun 2024; 15:2003. [PMID: 38443359 PMCID: PMC10914788 DOI: 10.1038/s41467-024-45400-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 01/22/2024] [Indexed: 03/07/2024] Open
Abstract
Airborne transmission of SARS-CoV-2 aerosol remains contentious. Importantly, whether cough or breath-generated bioaerosols can harbor viable and replicating virus remains largely unclarified. We performed size-fractionated aerosol sampling (Andersen cascade impactor) and evaluated viral culturability in human cell lines (infectiousness), viral genetics, and host immunity in ambulatory participants with COVID-19. Sixty-one percent (27/44) and 50% (22/44) of participants emitted variant-specific culture-positive aerosols <10μm and <5μm, respectively, for up to 9 days after symptom onset. Aerosol culturability is significantly associated with lower neutralizing antibody titers, and suppression of transcriptomic pathways related to innate immunity and the humoral response. A nasopharyngeal Ct <17 rules-in ~40% of aerosol culture-positives and identifies those who are probably highly infectious. A parsimonious three transcript blood-based biosignature is highly predictive of infectious aerosol generation (PPV > 95%). There is considerable heterogeneity in potential infectiousness i.e., only 29% of participants were probably highly infectious (produced culture-positive aerosols <5μm at ~6 days after symptom onset). These data, which comprehensively confirm variant-specific culturable SARS-CoV-2 in aerosol, inform the targeting of transmission-related interventions and public health containment strategies emphasizing improved ventilation.
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An exploration of staff experience and participation in a perinatal and infant mental health network group. Ir J Psychol Med 2023; 40:554-560. [PMID: 35357295 DOI: 10.1017/ipm.2022.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVES Infant mental health (IMH), an area which focuses on the social and emotional development of infants in the context of the parent-infant relationship, has become an increasingly prominent field of both research and clinical practice worldwide. IMH network groups are initiatives which aim to facilitate continuous learning in the IMH approach, provide an opportunity for case discussion and encourage reflective practice. This study aimed to explore the experiences of staff working within an adult mental health (AMH) service and their participation in a perinatal IMH network group (PIMH-NG). METHODS This study had a qualitative research design and the data were collected using a focus group methodology. Participants were recruited from a PIMH-NG which aimed to provide staff working within an AMH setting with the opportunity for continuous development of IMH knowledge. The data were analysed using thematic analysis. RESULTS The data gathered from the focus group indicated that staff participating in a PIMH-NG enhanced their clinical skill, reflective practice and supported the dissemination of IMH knowledge throughout their respective teams. The PIMH-NG facilitated this work by providing the opportunity for continuous learning, reflective group discussion and ongoing peer support. CONCLUSIONS The findings of this study indicate that incorporating elements of an IMH model into AMH services can be beneficial for staff, service users and overall service delivery and development. These findings may be used to develop the structure and content of future network groups of this nature.
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Lipid emulsion therapy during management of the critically-ill poisoned patient: a prospective cohort study. Clin Toxicol (Phila) 2023; 61:584-590. [PMID: 37655788 DOI: 10.1080/15563650.2023.2248372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 09/02/2023]
Abstract
BACKGROUND Despite conflicting data, intravenous lipid emulsion has emerged as a potential antidote. The "lipid sink" theory suggests that following intravenous administration of lipid, lipophilic drugs are sequestered in the vascular compartment, thereby reducing their tissue concentrations. This study sought to determine if survival is associated with the intoxicant's degree of lipophilicity. METHODS We reviewed all cases in the Toxicology Investigators Consortium's lipid sub-registry between May 2012 through December 2018. Information collected included demographics, exposure circumstances, clinical course, management, disposition, and outcome. The primary outcome was survival after lipid emulsion therapy. Survival was stratified by the log of the intoxicant's octanol-water partition coefficient. We also assessed the association between intoxicant lipophilicity and an increase in systolic blood pressure after lipid emulsion administration. RESULTS We identified 134 patients, including 81 (60.4%) females. The median age was 40 years (interquartile range 21-75). One hundred and eight (80.6%) patients survived, including 45 (33.6%) with cardiac arrest during their intoxication. Eighty-two (61.2%) were hypotensive, and 98 (73.1%) received mechanical ventilation. There was no relationship between survival and the log of the partition coefficient of the intoxicant on linear analysis (P = 0.89) or polynomial model (P = 0.10). Systolic blood pressure increased in both groups. The median (interquartile range) systolic blood pressure before lipid administration was 68 (60-78) mmHg for those intoxicants with a log partition coefficient < 3.6 compared with 89 (76-104) mmHg after lipid administration. Among those drugs with a log partition coefficient > 3.6, the median (interquartile range) was 69 (60-84) mmHg before lipid and 89 (80-96) mmHg after lipid administration. CONCLUSION Most patients in this cohort survived. Lipophilicity was not correlated with survival or the observed changes in blood pressure. The study did not address the efficacy of lipid emulsion.
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SERIAL 3D PRINTING TO PLAN A STAGED PALLIATION IN A PATIENT WITH COMPLEX CONGENITAL HEART DISEASE AND MAJOR AORTOPULMONARY COLLATERALS. J Am Coll Cardiol 2023. [DOI: 10.1016/s0735-1097(23)03026-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Clinical applications of transcutaneous auricular neurostimulation for opioid use disorder and pain. Brain Stimul 2023. [DOI: 10.1016/j.brs.2023.01.299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
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Emergency pacemaker implantation in nonagenarians with complete heart block: is single chamber pacing sufficient? Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
In ambulatory patients with complete heart block and preserved sinus node activity (CHBs), dual chamber pacing confers well-established physiological benefits versus single chamber pacing. There is limited evidence as to whether these benefits extend to very frail patients, especially those over 90 years of age.
Purpose
In nonagenarians presenting with emergent CHBs from 2016–2019, we compared the clinical characteristics of patients selected for single versus dual chamber pacemakers (PPM), and evaluated the symptomatic and prognostic implications of these devices.
Methods
Baseline characteristics were discerned from electronic records, and physiological data extracted from serial PPM interrogations. Frailty was quantified according to the Rockwood clinical frailty scale (1–9). Cause of death was provided by the patients' General Practitioner. Cox proportional hazards analysis (HR, 95% CI) examined associations with all-cause mortality and death from congestive cardiac failure (CCF).
Results
168 consecutive patients were included (44.3% Male, Median age: 91 (2) years) and followed-up for 26.9±14.6 months. 22 patients (13.1%) were implanted with single chamber pacemakers (all programmed VVIR); when compared with patients receiving dual chamber devices, these patients had similar median age (93 (3) versus 91 (2) years, p=0.15) and LV systolic function (LVEF: 49.2% ±9.7 versus 50.7% ±10.1, p=0.71), but were more frail (Rockwood scale: 5.2±1.8 versus 4.3±1.1, p=0.004) and more likely to have severe cognitive impairment (27.3% versus 9.2%, p=0.018). Post implant, patients who received single chamber devices had higher average respiratory rates (21.3±2.4 breaths per minute versus 17.5±2.6 breaths per minute, p=0.002), lower average heart rates (65.5±10.1 bpm versus 71.9±8.6 bpm, p=0.002), and lower daily activity levels (0.57±0.3 hours of activity versus 1.5±1.1 hours of activity, p=0.016) than those with dual chamber devices. Death from CCF was more common in patients receiving single chamber devices (40.9% versus 6.2%, log rank p<0.0001); this association persisted when adjusting for age, frailty and cognitive impairment (adjusted HR: 6.2 (2.2–17.3, p=0.0005). However, in this age group, single chamber pacing was not independently associated with all-cause mortality when compared with dual chamber pacing (adjusted HR: 1.9 (0.95–3.6, p=0.07).
Conclusions
In nonagenarians with CHBs, dual chamber pacing was associated with improved symptomatic outcomes and a reduced risk of death from CCF, but did not affect all-cause mortality when compared with single chamber pacing.
Funding Acknowledgement
Type of funding sources: None.
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Cardiac implantable electronic device infections: prognostic value of the PADIT score and its cost-utility implications for antimicrobial envelope use in the United Kingdom. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
The incidence of cardiac implantable electronic device (CIED) infections is rising.
Purpose
We examined the factors associated with CIED infection, assessed the prognostic power of the PADIT risk score, and modelled the cost-utility of selective TYRX antimicrobial envelope use for preventing CIED infections.
Methods
Data were extracted from 2016 to 2019, and included all de novo implants, generator changes and lead interventions for transvenous CIEDs at a high-volume UK centre. CIED infection was defined as hospitalisation for device infection within 12 months of a procedure. Cost-utility analysis was informed by standardised tariffs, and quality adjusted life year (QALY) and efficacy data was extrapolated from analysis of the WRAP-IT trial.
Results
6,035 patients underwent 7,383 procedures; CIED infection occurred in 59 individuals (0.8%). In addition to the constituents of the PADIT score, lead extraction (HR 3.3 (1.9–6.1), p<0.0001), C-reactive protein >50mg/l (HR 3.0 (1.4–6.4), p=0.005), re-intervention within two years (HR 10.1 (5.6–17.9), p<0.0001), and procedure duration over two hours (HR 2.6 (1.6–4.1), p=0.001) were independent predictors of infection. Increased PADIT score was strongly associated with infection (AUC: 0.82, HR per point increase: 1.36 (1.27–1.47), p<0.0001). A cost-utility model assigning TYRX envelopes to patients with PADIT scores ≥6 predicted a reduction in infections (number needed to treat: 72) and a cost per QALY gained within the UK's (NICE) cost-effectiveness threshold (£25,107).
Conclusions
The PADIT score was a powerful predictor of CIED infections in a heterogeneous population,and may facilitate cost-effective TYRX envelope allocation in selected high-risk patients.
Funding Acknowledgement
Type of funding sources: None.
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First in Human: Transcatheter Repair of Isolated Partial Anomalous Pulmonary Venous Return. Circ Cardiovasc Interv 2022; 15:e012132. [PMID: 35993235 DOI: 10.1161/circinterventions.122.012132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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81 An Audit of Venous Thromboembolism (VTE) Risk Assessment & Prophylaxis Implementation. Br J Surg 2022. [DOI: 10.1093/bjs/znac039.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
VTE is considered one of the most common preventable causes of death and significant co-morbidity in inpatients and is responsible for approximately 60,000 deaths occur per annum in the UK. The NHS Standard Contract requires all inpatients to undergo a VTE risk assessment, with a 95% patient assessment threshold. In January 2020 we identified that 72% of patients within our trust had a risk assessment completed, and 15% of these were accurate. We subsequently implemented mandatory VTE prescribing training for all junior doctors joining the trust.
Aim
Review the impact of mandatory training module on VTE risk assessment and prescribing, in compliance with NICE Guidelines.
Method
All inpatient medical notes, VTE risk assessments, and VTE prescriptions were reviewed to assess accurate risk assessment completion and subsequent appropriate prophylaxis prescribing. The standards were as set out in the NICE guidelines [NG89]. Paediatric, Obstetric and ITU patients were excluded.
Results
Our VTE risk assessment completion rates increased from 72.1% to 94.2%, and the accuracy of these assessments from 15.4% to 34.5%. Our prescription rate increased from 84.6% to 90.6%, and prescribing accuracy from 41.2% to 79.5%.
Conclusions
By implementing mandatory VTE prophylaxis training for all junior doctors joining a new NHS trust, we can see increased compliance with appropriate risk assessment and prophylaxis prescribing. This will reduce the risk of unnecessary death from VTE in hospital inpatients.
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Transcatheter Edge-to-Edge Repair of Systemic Tricuspid Valve in Extracardiac Fontan Circulation. JACC Case Rep 2022; 4:221-225. [PMID: 35199020 PMCID: PMC8855131 DOI: 10.1016/j.jaccas.2021.12.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/03/2021] [Accepted: 12/23/2021] [Indexed: 11/25/2022]
Abstract
Transcatheter edge-to-edge valve repair can improve clinical outcomes in otherwise high-risk surgical patients. This is a first-in-human procedure outlining transcatheter edge-to-edge valve repair of a systemic tricuspid valve in an extracardiac Fontan patient born with hypoplastic left heart syndrome with prohibitive surgical risk. (Level of Difficulty: Advanced.)
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30-Day Outcomes With the Portico™ Transcatheter Heart Valve: Insights From a Multi-Centre Australian Observational Study. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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Safety and Feasibility of Day Case PCI in a Cardiac Catheter Laboratory in a Queensland Tertiary Hospital. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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414: Anaerobic microbiota facilitate Pseudomonas aeruginosa access to the airway epithelium in a novel co-culture model of colonization. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)01838-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Feasibility of using his bundle pacing with boston scientific generators. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
His bundle pacing (HBP) aims to deliver physiological activation of the ventricles via the native His-Purkinje conduction system. A challenge of HBP is the limited market of implantation tools, pacing leads and specifically designed pacing algorithms.
Purpose
Over the last three years both Medtronic (MDT) and Boston Scientific (BSC) generators have been used for HBP in a large tertiary centre. We examined whether there was any difference between lead parameters and battery longevity depending on the type of manufacturer used.
Methods
Patients implanted with a MDT Select Secure model 3830 lead were included in this retrospective study. Data collected included HBP thresholds (analysed at 1ms pulse width) at implant and at the most recent device check, HBP percentages and battery longevity (months). Battery longevity were calculated by adding duration of follow up and estimated battery life at last follow up.
Results
A total of 31 patients were included for data analysis (58% male and mean age 72 years). 18 patients had MDT generators of which 3 were PPMs, 5 were CRT-Ps and 10 were CRT-Ds. 13 patients had BSC generators of which 5 were PPMs, 5 were CRT-Ps and 3 were CRT-Ds. Mean follow up of the cohort was 12.7±9.02 months.
Mean HBP percentages were 77±37% and 72.2±42.1% for MDT and BSC, respectively (p=0.430). Mean HBP threshold (Volts) at implant was significantly lower with BSC vs MDT (0.85±0.58 vs 1.84±1.06, p=0.01), and similar after follow up (1.01±0.91 vs 1.32±0.73, p=NS). There were no statistically significant differences between mean HBP threshold at implant compared to follow up for both manufacturers.
Interestingly, mean battery longevity for BSC vs MDT generators was significantly higher (136±29.3 vs 90.5±29.1, p<0.001). Longevity was also compared for PPM/CRT-P and CRT-D separately. For PPM/CRT-P, BSC generators had significantly higher longevity as compared to MDT (141.6±33.1 vs 91.6±34.5, p=0.009). This difference was not observed for CRT-Ds between the 2 manufacturers (p=0.068).
Conclusion
Our results suggest HBP with MDT Select Secure 3830 lead is feasible with BSC generators. There is potentially greater battery longevity with BSC compared to MDT generators. Further studies are needed with greater numbers and longer follow up to confirm this finding.
Funding Acknowledgement
Type of funding sources: None.
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627P Phase II neoadjuvant trial of the anti–B7-H3 antibody, enoblituzumab, in men with localized prostate cancer: Safety, efficacy and immune correlates. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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1025 Readmission & Mortality Rates Following Enhanced Recovery After Surgery (ERAS) For Colorectal Procedures at An Island DGH. Br J Surg 2021. [DOI: 10.1093/bjs/znab134.526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
Colorectal surgery under ERAS reduces postoperative morbidity by 40-50% and shortens length of hospital stay by 2-3 days. The 2018 National Bowel Cancer Audit reported a 30-day readmission rate of 10.5% for colorectal surgery under ERAS and a 90-day mortality rate of 2% nationally. Evidence shows readmission rates increase with discharge C-reactive protein (CRP); 16.5% when CRP >100 mg/L and 6% when CRP <100 mg/L.
Method
Data was collected prospectively at a small island DGH on 89 patients from September 2018 - March 2020.
Results
The 30-day readmission rate was 7.9% and the 90-day mortality rate was 0% locally. Six (86%) of the readmitted patients had a left-sided colorectal disease (potentially due to increased risk with a colo-colonic anastomosis). Five (71%) patients required return to theatre; four due to anastomotic leaks and one due to a wound collection. 43% of readmitted patients had upward white cell count/c-reactive protein (WCC/CRP) trends on discharge. Readmitted patients had a mean discharge CRP result of 150 (range 15.9 - 311).
Conclusions
Colorectal surgery under ERAS at our institution is at a high standard stemming from effective staff education and post-operative patient counselling. This study provides evidence that WCC/CRP trend is related to postoperative prognosis.
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Comment on: Resuming elective operations after COVID-19 pandemic. Br J Surg 2021; 108:e84. [PMID: 33711125 PMCID: PMC7799264 DOI: 10.1093/bjs/znaa035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 09/14/2020] [Indexed: 11/12/2022]
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Admission avoidance in acute epistaxis: A prospective national audit during the initial peak of the COVID‐19 pandemic. Clin Otolaryngol 2021; 46:577-586. [DOI: 10.1111/coa.13716] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 11/30/2020] [Accepted: 12/20/2020] [Indexed: 01/16/2023]
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Abstract
A PAVM was diagnosed in a critically ill cyanotic neonate. Echocardiography played a pivotal role in establishing the diagnosis. Urgent transcatheter device occlusion resulted in immediate hemodynamic stabilization.
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Scoping review of head and neck neoplasms presenting with obstructive sleep apnoea: the importance of flexible nasendoscopy. ANZ J Surg 2020; 91:55-61. [PMID: 32580251 DOI: 10.1111/ans.16090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/19/2020] [Accepted: 05/27/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND Obstructive sleep apnoea (OSA) can be caused by neoplasms involving the upper aerodigestive tract. Currently, many of these patients have this diagnosis missed, as most adults diagnosed with OSA do not undergo adequate head and neck examination including flexible nasendoscopy. We performed a review of the literature to shed light on this phenomenon and outline the pathologies and issues surrounding this sub-population of patients diagnosed with OSA. METHODS A scoping review of the literature was conducted on head and neck neoplasms presenting with OSA. Data were extracted on demographics, clinical presentation, histopathology, treatment and patient outcomes. RESULTS Sixty-seven articles were included, describing 79 patients. Mean age was 45.8 years, and 77.2% were male. Symptoms of OSA were present for an average of 29.2 months before a diagnosis of causative neoplasm was made. Forty-two different benign and malignant histopathological entities were reported. At diagnosis, the causative pathology of 100% of patients was visible on head and neck examination including flexible nasendoscopy, while only 53.2% were visible on trans-oral examination. One-third of patients had commenced inappropriate treatment for OSA, including three who had undergone sleep surgical procedures. The majority of patients were treated with surgery alone (72.2%). CONCLUSION Although rare, neoplasms of the upper aerodigestive tract should be considered as a cause of OSA, especially in patients experiencing other symptoms in addition to the typical symptoms of OSA. They should particularly be considered in patients with comparatively lower body mass index or those with worsening OSA without an apparent cause identified.
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FRI0100 COMPARISON OF PATIENTS (PTS) WITH RHEUMATOID ARTHRITIS (RA) AMONG DISEASE ACTIVITY CATEGORIES AFTER 6 MONTHS OF TREATMENT WITH A TUMOUR NECROSIS FACTOR INHIBITOR (TNFI): RESULTS FROM THE CORRONA® RA REGISTRY. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.1698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Targeting remission (REM) or low disease activity (LDA) is a widely accepted treatment strategy for RA. However, there are limited data on the proportion of pts who achieve these targets, or remain in moderate (MDA) or high disease activity (HDA) following advanced therapy.Objectives:To estimate the proportion of RA pts in disease activity states (REM, LDA, MDA, and HDA) who were biologic-naïve at initiation and had continuous treatment with a TNFi for 6–12 months in the Corrona RA registry.Methods:Eligible pts were aged ≥18 years, biologic-naïve, initiated TNFi treatment between January 1, 2010 and July 31, 2019, and had continuous use of a TNFi for 6–12 months. Disease activity was defined based on Clinical Disease Activity Index (CDAI) at the visit closest to 6-month follow-up: REM, ≤2.8; LDA, >2.8–10; MDA, >10–22; and HDA, >22. Disease characteristics, disease activity measures, and pt-reported outcomes (PROs) were reported at TNFi initiation and at the 6-month follow-up visit.Results:2586 biologic-naïve pts who initiated a TNFi and had continuous use for 6–12 months were included. At TNFi initiation, 167 (6%) were in REM, 479 (19%) had LDA, 907 (35%) had MDA, and 1033 (40%) had HDA. After 6–12 months of treatment, 563 (21.8%) were in REM, 923 (35.7%) had LDA, 674 (26.1%) had MDA, and 426 (16.5%) had HDA. Pts with HDA/MDA at 6–12 months were more likely to have a history of hypertension (32.7% HDA; 34.0% MDA; vs 23.6% REM) and had higher mean body mass index (BMI) (30.9 HDA; 31.1 MDA; vs 29.0 REM) at baseline compared with pts in REM. Disease activity measures and PROs were worse in pts with MDA and HDA vs LDA and REM after 6–12 months (Table). Pt Global Assessment was higher than Physician Global Assessment across all groups.Conclusion:While 57.4% of pts who initiated a TNFi experienced a favorable outcome, >40% required additional or alternative intervention to achieve REM/LDA. Pts who remained in MDA/HDA continued to have an inadequate response to TNFi (as measured by disease activity measures and PROs) after 6–12 months of treatment compared with those who achieved REM/LDA.TableSummary of disease activity measures and PROs in previously biologic-naïve pts at the 6–12-month follow-up visit, stratified by disease activity category at the 6–12-month follow-up visitCharacteristics at 6–12 months, mean (standard deviation)Disease activity category at 6–12 monthsREM (n=563)LDA (n=923)MDA (n=674)HDA (n=426)CDAI1.2 (0.8)6.2 (2.1)15.4 (3.4)32.7 (9.2)Tender joint count (28)0.1 (0.3)1.0 (1.3)4.3 (3.3)13.4 (7.0)Swollen joint count (28)0.1 (0.3)1.1 (1.6)4.0 (3.6)9.1 (5.9)C-reactive protein6.4 (22.7)7.0 (10.6)11.1 (19.9)12.6 (22.1)Modified health assessment questionnaire0.1 (0.2)0.3 (0.4)0.5 (0.5)0.8 (0.5)Pt global assessment6.6 (6.8)28.6 (20.9)43.7 (25.7)58.0 (22.7)Physician global assessment3.6 (4.3)12.1 (10.4)27.4 (15.9)44.9 (19.8)Pt pain assessment8.7 (11.0)30.3 (23.5)46.1 (27.0)59.9 (24.4)Pt fatigue assessment15.7 (19.2)34.5 (26.6)48.3 (28.0)59.4 (27.5)Morning stiffness (min)16.5 (36.5)55.4 (146.3)96.9 (197.5)143.6 (260.0)Disclosure of Interests:Joel M Kremer Shareholder of: May own stocks and opinions, Grant/research support from: Research and consulting fees from AbbVie Inc., Consultant of: AbbVie, Amgen, BMS, Genentech, Inc., Gilead, GSK, Lilly, Pfizer, Regeneron and Sanofi, Employee of: Corrona, LLC employee, Anne Winkler Consultant of: AbbVie, Pfizer, and Novratis, Speakers bureau: AbbVie, Janssen, Sanofi, Genentech, Celgene, Eli Lilly, and Novartis., Laura Anatale-Tardiff Employee of: Corrona, LLC employee, Robert McLean Employee of: Corrona, LLC, Ying Shan Employee of: Corrona, LLC employee, Page Moore Employee of: Corrona, LLC employee, Namita Tundia Shareholder of: May own stocks and options, Employee of: AbbVie employee, Jessica Suboticki Shareholder of: AbbVie Inc., Employee of: AbbVie Inc., John Tesser Consultant of: Sanofi/Regeneron, Speakers bureau: Sanofi/Regeneron
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Use of the GORE® CARDIOFORM Septal Occluder for percutaneous closure of secundum atrial septal defects: Results of the multicenter U.S. IDE trial. Catheter Cardiovasc Interv 2020; 95:1296-1304. [DOI: 10.1002/ccd.28814] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 02/11/2020] [Accepted: 02/14/2020] [Indexed: 11/11/2022]
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902 Time to First Device Time in ST Elevation Myocardial Infarction (STEMI) at a High-Volume STEMI Centre Stratified by Access Site Approach. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Outcomes of dental and craniofacial osseointegrated implantation in head and neck cancer patients. Head Neck 2019; 41:3290-3298. [DOI: 10.1002/hed.25845] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 05/11/2019] [Accepted: 06/04/2019] [Indexed: 12/12/2022] Open
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P111Double chambered left ventricle. Eur Heart J Cardiovasc Imaging 2019. [DOI: 10.1093/ehjci/jez110.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract P6-18-11: Long-term responders to single-agent margetuximab, an Fc-modified anti-HER2 monoclonal antibody, in metastatic HER2+ breast cancer patients with prior anti-HER2 therapy. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p6-18-11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background
Margetuximab is an Fc-optimized anti-HER2 antibody that recognizes the same epitope as trastuzumab. Margetuximab has increased affinity for the activating CD16A Fc-receptor on NK cells and macrophages as well as decreased affinity for the inhibitory CD32B receptor compared to trastuzumab. In a Phase 1 study (NCT01148849) of 66 patients with relapsed or metastatic HER2+ cancer across multiple indications, margetuximab was well tolerated at all doses. Among 60 response-evaluable patients, confirmed partial response (PR) and stable disease (SD) were seen in 7 (12%) and 30 (50%) patients, respectively. Tumor reductions occurred in 18/23 (78%) evaluable breast cancer patients. Ex-vivo analyses of patient peripheral blood mononuclear cell samples confirmed margetuximab's ability to enhance antibody dependent cell-mediated cytotoxicity over that from trastuzumab. We report on 3 breast cancer patients with prior anti-HER2 therapy failure with durable (≥ 3.5 years) SD (1) or PR (2).
Methods
Enrolled patients had histologically/cytologically-confirmed carcinoma with documented HER2 overexpression by immunohistochemistry (2+ or 3+) and disease progression during/following last therapy. Eligibility included life expectancy ≥3 months; performance status ≤1; measurable disease by Response Criteria for Solid Tumors 1.1; adequate bone marrow, renal, hepatic function; and left ventricular ejection fraction ≥50%. Margetuximab was given by intravenous infusion at 0.1 – 6.0 mg/kg for 3 of every 4 weeks or once every 3 weeks (10 – 18 mg/kg).
Results
Three of 17 HER2 3+ metastatic breast cancer patients received long-term margetuximab. Patient 35 had 3 prior regimens (adjuvant doxorubicin+cyclophosphamide followed by docetaxol+trastuzumab; gemcitabine+vinorelbine; lapatinib+capecitabine) and received margetuximab at 10 mg/kg q3wk, 88 cycles to date, with PR achieved Cycle 1 Day 43, maintained 4.4 years. Patient 44 had 3 prior regimens for metastatic disease (docetaxel+trastuzumab+pertuzumab; doxorubicin+cyclophosphamide; lapatinib+capecitabine) and received margetuximab at 15 mg/kg q3wk, 79 cycles to date with SD for 4.3 years. Patient 50 had 4 prior regimens for recurrent/metastatic disease (tamoxifen; anastrozole; capecitabine+trastuzumab; lapatinib+capecitabine) and received margetuximab dose of 18 mg/kg q3wk with PR achieved Cycle 1 Day 43, maintained 3.5 years. Progression was noted at Cycle 57, and margetuximab continues at 63 cycles to date. No cardiac toxicities were found during long-term follow-up for these 3 patients and there were no treatment-related adverse events ≥Grade 3.
Conclusions
Margetuximab is well-tolerated without cardiac toxicities in long-term responders, with single-agent activity including durable responses in heavily pre-treated metastatic breast cancer. A Phase 3, randomized, multi-center clinical trial (SOPHIA; NCT02492711) is enrolling patients with metastatic breast cancer, comparing margetuximab plus chemotherapy to trastuzumab plus chemotherapy in patients who have received 1 to 3 lines of therapy for advanced disease.
Citation Format: Im S-A, Bang Y-J, Oh D-Y, Giaccone G, Bauer T, Nordstrom J, Li H, Moore P, Hong S, Baughman J, Rock E, Burris H. Long-term responders to single-agent margetuximab, an Fc-modified anti-HER2 monoclonal antibody, in metastatic HER2+ breast cancer patients with prior anti-HER2 therapy [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P6-18-11.
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Balloon Angioplasty and Stenting for Unilateral Branch Pulmonary Artery Stenosis Improve Exertional Performance. JACC Cardiovasc Interv 2019; 12:289-297. [DOI: 10.1016/j.jcin.2018.11.042] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 11/15/2018] [Accepted: 11/30/2018] [Indexed: 10/27/2022]
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Book Review: Textbook of Hyperbaric Medicine—4th Edition. Anaesth Intensive Care 2019. [DOI: 10.1177/0310057x0603400629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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298 Interactions With Immigration Officers in the Emergency Department: A Needs Assessment Survey. Ann Emerg Med 2018. [DOI: 10.1016/j.annemergmed.2018.08.303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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A multicentre, randomised controlled trial of position during the late stages of labour in nulliparous women with an epidural: clinical effectiveness and an economic evaluation (BUMPES). Health Technol Assess 2018; 21:1-176. [PMID: 29110753 DOI: 10.3310/hta21650] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Epidural analgesia leads to increased risk of instrumental vaginal delivery (IVD). There is debate about whether or not posture in second-stage labour influences the incidence of spontaneous vaginal birth (SVB). OBJECTIVES In nulliparous women with epidural analgesia, does a policy of adopting an 'upright position' throughout second-stage labour increase the incidence of SVB compared with a policy of adopting a 'lying-down' position? DESIGN Two-arm randomised controlled trial. SETTING Maternity units in England and Wales. PARTICIPANTS Nulliparous women aged ≥ 16 years, at ≥ 37 weeks' gestation with singleton cephalic presentation and intended SVB, in second-stage labour with an epidural providing effective pain relief. INTERVENTIONS (1) Upright position to maintain the pelvis in as vertical a plane as possible; and (2) lying-down position to maintain the pelvis in as horizontal a plane as possible. MAIN OUTCOME MEASURES The primary outcome measure was incidence of SVB. Secondary outcomes included augmentation, interventions to maintain blood pressure, duration of labour, episiotomy, genital tract trauma, post-partum haemorrhage, maternal satisfaction, neonatal metabolic acidosis, 5-minute Apgar score of < 4, resuscitation at birth and admission to neonatal unit. At 1 year for (1) women: urinary or faecal incontinence, dyspareunia and health-related quality of life; (2) for infants: major morbidity. A cost-consequences analysis with a time horizon of 1 year after the birth from a NHS perspective. RESULTS Between October 2010 and January 2014, 3236 women were randomised from 41 centres in England and Wales. There was a statistically significant difference in the incidence of SVB between groups, with 35.2% of women achieving a SVB in the upright group, compared with 41.1% in the lying-down group (adjusted risk ratio 0.86, 95% confidence interval 0.78 to 0.94). There was no evidence of differences in most of the secondary maternal or neonatal outcomes, or in long-term outcomes at the 12-month follow-up. No significant overall cost differences were observed between upright and lying-down positions for mothers or their babies. LIMITATIONS Measurement of adherence was challenging in this unmasked trial, and adherence could be influenced by midwives' beliefs about the allocated positions. If adherence was poor, this would have diluted the difference between the two groups. CONCLUSIONS There is clear evidence of the benefit of adopting a lying-down position in second-stage labour in nulliparous women with epidural analgesia, with no apparent disadvantages in either short- or long-term outcomes for mother or baby, and this is cost neutral for the NHS. FUTURE WORK Questions remain about whether or not other positions could increase the incidence of SVB further in this group of women. The results also raise questions about the role of maternal position in second-stage labour in women without an epidural. TRIAL REGISTRATION Current Controlled Trials ISRCTN35706297. FUNDING This project was funded by the National Institute for Health Research Health Technology Assessment programme and will be published in Health Technology Assessment, Vol 21, No. 65. See the NIHR Journals Library website for further project information.
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A nursing solution to primary care delivery shortfall. Nurs Inq 2018; 25:e12245. [DOI: 10.1111/nin.12245] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 04/15/2018] [Accepted: 04/23/2018] [Indexed: 11/30/2022]
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59Can high volume tertiary centres with 24/7 device implanting service provide improved efficacy and outcomes compared to a large district general hospital model? Europace 2017. [DOI: 10.1093/europace/eux283.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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CORONARY ANGIOGRAPHY AND REVASCULARISATION AFTER CABG IN BRITISH COLUMBIA: INCIDENCE, PREDICTORS AND OUTCOMES. Can J Cardiol 2017. [DOI: 10.1016/j.cjca.2017.07.277] [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] Open
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Pushing the envelope: a treat and repair strategy for patients with advanced pulmonary hypertension associated with congenital heart disease. Pulm Circ 2017; 7:747-751. [PMID: 28862067 PMCID: PMC5841911 DOI: 10.1177/2045893217726086] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a frequent complication of congenital heart disease as a consequence of altered pulmonary hemodynamics with increased pulmonary blood flow and pressure. The development of pulmonary vascular disease (PVD) in this patient population is an important concern in determining operative strategy. Early, definitive surgical repair, when possible, is the best therapy to prevent and treat PVD. However, this is not possible in some patients because they either presented late, after the development of PVD, or they have complex lesions not amenable to one-step surgical correction, including patients with single ventricle physiology, who have a continuing risk of developing PVD. These patients represent an important, high-risk subgroup and many have been considered inoperable. We present a case series of two patients with complex congenital heart disease and advanced PVD who successfully underwent a treat and repair strategy with aggressive PAH therapies before surgical correction. Both patients had normalization of pulmonary vascular resistance prior to surgical correction. Caution is warranted in applying this strategy broadly and long-term follow-up for these patients is crucial. However, this treat and repair strategy may allow for favorable outcomes among some patients who previously had no therapeutic options.
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NAVIGATING THE HUMAN PATH IN AN INTERGENERATIONAL DESIGN STUDIO. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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OA1-1 Impact of vorinostat treatment of non-Hodgkin‘s lymphoma on HIV-1 latent reservoir. J Virus Erad 2017. [DOI: 10.1016/s2055-6640(20)30833-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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P1538Using high precision haemodynamic measurements to assess differences in AV optimum between different left ventricular lead positions in biventricular pacing. Europace 2017. [DOI: 10.1093/ehjci/eux158.164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Transcatheter closure of patent ductus arteriosus using the AMPLATZER™ duct occluder II (ADO II). Catheter Cardiovasc Interv 2017; 89:1118-1128. [DOI: 10.1002/ccd.26968] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 01/10/2017] [Accepted: 01/16/2017] [Indexed: 12/17/2022]
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CORONARY ARTERY FISTULA IN PULMONARY ATRESIA WITH INTACT VENTRICULAR SEPTUM PHYSIOLOGY: TO CLOSE OR NOT TO CLOSE? J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)35662-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Novel delivery technique for atrial septal defect closure in young children utilizing the GORE ® CARDIOFORM ® septal occluder. Catheter Cardiovasc Interv 2016; 89:1232-1238. [PMID: 27896910 DOI: 10.1002/ccd.26874] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 10/13/2016] [Accepted: 11/06/2016] [Indexed: 11/12/2022]
Abstract
OBJECTIVES To develop a novel delivery technique to overcome vascular size limitations for device closure of a secundum ASD in the young patient. BACKGROUND The efficacy, clinical utility, and safety of transcatheter closure in comparison to surgical closure are well established; however, access vessel size remains a potential limitation to device selection in the young patient. METHODS A retrospective medical record review of all cases of secundum ASD closure between April 2015 and April 2016 utilizing a novel delivery method described herein at two separate academic institutions. The device is disassembled allowing the delivery sheath to serve as the introducer. It is advanced to the RA with re-introduction of the device allowing for deployment in the standard fashion. RESULTS Overall, 10 patients underwent secundum ASD closure via this novel delivery technique. There were six females (60%) and the average age at time of the procedure was 4.2 years ± 1.6 years (range 2-6 years). The majority of patients had an isolated secundum ASD (70%) with the primary indication for closure being right ventricular volume overload (90%). All patients had successful placement of a GORE® CARDIOFORM® Septal Occluder (GCSO) with no or trivial residual shunt. No patients had vascular complications related to the procedure. CONCLUSIONS We describe a novel technique for ASD closure using the GCSO delivery sheath as the access sheath, which reduces the vascular access size requirement by 25%, thus addressing one common limitation for percutaneous device closure of a secundum ASD in young patients. © 2016 Wiley Periodicals, Inc.
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MODERATED POSTERS (1)43P WAVE DURATION & SPECTRAL ANALYSIS OF SIGNAL AVERAGED P WAVE: CAN THIS PREDICT RECURRENCE OF PARAOXYSMAL ATRIAL FIBRILLATION AFTER PULMONARY VEIN SIOLATION? A PROSPECTIVE STUDY44ATP INDUCED SLOW VF - A MECHANISM TO EXPLAIN THE ASSOCIATION BETWEEN ATP AND INCREASED MORTALITY45THE USE OF A HANDHELD DEVICE IN IDENTIFYING ATRIAL FIBRILLATION PATIENTS DURING FLU VACCINATION CLINICS46DELIVERY OF A FULL EP SERVICE FROM A DISTRICT GENERAL HOSPITAL SETTING: OUTCOMES FROM A SINGLE CENTRE47THE PREVALENCE OF SODIUM AND FLUID DEPLETION IN PATIENTS WITH RECURRENT SYNCOPE OF PRESUMED HYPOTENSIVE ORIGIN: A SINGLE CENTRE EXPERIENCE48ECHOCARDIOGRAPHY AND RISK STRATIFICATION FOR ICD IMPLANTATION AFTER ST-ELEVATION MYOCARDIAL INFARCTION:OPPORTUNITIES FOR IMPROVEMENT49THE QUALITY AND OUTCOMES FRAMEWORK DATA UNDERESTIMATES AF PREVALENCE AND OVERESTIMATES RATES OF APPROPRIATE THROMBOEMBOLIC PROPHYLAXIS50THE RELATIONSHIP BETWEEN THE EFFECTIVE REFRACTORY PERIOD OF RECONNECTED PULMONARY VEINS AT REPEAT ELECTROPHYSIOLOGY STUDY AND RECURRENCE OF ATRIAL TACHYCARRHYTHMIA BEYOND ONE MONTH AFTER PULMONARY VEIN ISOLATION. Europace 2016. [DOI: 10.1093/europace/euw268] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Patient-reported outcome measure for neuromyelitis optica: pretesting of preliminary instrument and protocol for further development in accordance with international guidelines. BMJ Open 2016; 6:e011142. [PMID: 27694484 PMCID: PMC5051334 DOI: 10.1136/bmjopen-2016-011142] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 03/24/2016] [Accepted: 04/14/2016] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE This study outlines the development of a patient-reported outcome measure (PROM), an instrument to obtain self-reported health status for neuromyeltis optica (NMO), a disabling neurological condition. DESIGN Development was conducted in accordance with international guidance for PROMs including systematic review of existing literature, item generation guided by qualitative interviews, health-related quality of life conceptual framework and clinical expert panel and cognitive interviews with NMO patients. SETTING Participants were identified through a national NMO clinic in a tertiary NHS neurosciences service. PARTICIPANTS 15 individuals with NMO participated in cognitive interviews requiring review and ranking of proposed PROM items and qualitative feedback on content, layout and response options. RESULTS Participants endorsed the draft instrument as reflecting their experience of the condition and as being easy to understand. Rating and ranking of item relevance and importance reduced the draft instrument from 106 to 48 items. Participant feedback on overlapping items eliminated a further 2 items and resulted in a preliminary instrument of 46 items. As a direct result of participant feedback ordering of the 10 domains was revised, a 4 option Likert scale was employed and a 4-week recall period for impact of symptoms was selected. CONCLUSIONS A 46-item instrument developed in accordance with international PROM development guidelines through literature review, developed by subject matter experts and refined through pretesting examining content validity provides a preliminary measure for assessing patient-report of health status in NMO. Further evaluation is proposed including sensitivity to clinical change, and international contributions to evaluating the measure are encouraged.
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Surface ECG Criteria During Pacemaker Implantation are Not Predictive of Right Ventricular Septal Pacing Lead Position when Compared to Cardiac CT. Heart Lung Circ 2016. [DOI: 10.1016/j.hlc.2016.06.368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Mechanistic Projection of First-in-Human Dose for Bispecific Immunomodulatory P-Cadherin LP-DART: An Integrated PK/PD Modeling Approach. Clin Pharmacol Ther 2016; 100:232-41. [DOI: 10.1002/cpt.393] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 05/05/2016] [Accepted: 05/06/2016] [Indexed: 12/19/2022]
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OP0201 Safety, Tolerability, and Functional Activity of MGD010, A Dart® Molecule Targeting CD32B and CD79B, Following A Single Dose Administration in Healthy Volunteers. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.4079] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Abstract
Landslides are hazardous events with often disastrous consequences. Monitoring landslides with observations of high spatio-temporal resolution can help mitigate such hazards. Mini unmanned aerial vehicles (UAVs) complemented by structure-from-motion (SfM) photogrammetry and modern per-pixel image matching algorithms can deliver a time-series of landslide elevation models in an automated and inexpensive way. This research investigates the potential of a mini UAV, equipped with a Panasonic Lumix DMC-LX5 compact camera, to provide surface deformations at acceptable levels of accuracy for landslide assessment. The study adopts a self-calibrating bundle adjustment-SfM pipeline using ground control points (GCPs). It evaluates misalignment biases and unresolved systematic errors that are transferred through the SfM process into the derived elevation models. To cross-validate the research outputs, results are compared to benchmark observations obtained by standard surveying techniques. The data is collected with 6 cm ground sample distance (GSD) and is shown to achieve planimetric and vertical accuracy of a few centimetres at independent check points (ICPs). The co-registration error of the generated elevation models is also examined in areas of stable terrain. Through this error assessment, the study estimates that the vertical sensitivity to real terrain change of the tested landslide is equal to 9 cm.
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139-05: His Optimised Pacing Evaluated for Heart Failure “HOPE-HF” Trial: Rationale, Design and Endpoints. Europace 2016. [DOI: 10.1093/europace/18.suppl_1.i180c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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169-03: Echocardiographic Vs Non-invasive Hemodyanamic Optimization of AV and VV delay for Cardiac Resynchronization Therapy: The Prospective, multi-centre, randomized, cross-over, non-inferiority BRAVO study. Europace 2016. [DOI: 10.1093/europace/18.suppl_1.i115b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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