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1.
Pediatr Blood Cancer ; 71(10): e31212, 2024 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-39039770

RESUMO

BACKGROUND: The COVID-19 pandemic disproportionately affected persons with underlying medical conditions. SARS-CoV-2 infection susceptibility and vaccine effectiveness in pediatric hematology-oncology patients were unknown. METHODS: From February to July 2022, anti-spike and anti-nucleocapsid Ig were assayed in 354 pediatric hematology-oncology subjects, including 53 oncology patients receiving chemotherapy (cancer), 150 patients with sickle cell disease (SCD), and 151 benign consult and long-term follow-up patients (controls). Participants completed a questionnaire. RESULTS: Frequencies of COVID-19 infection, defined by positive PCR/antigen test or anti-nucleocapsid Ig, were 62% in cancer, 71% in SCD, 52% in controls, with SCD statistically different than controls (p = .001). Infection was associated with COVID-19 exposure, Hispanic/Latino or Black/African American ethnicity, multi-family dwelling, sports participation; COVID-19 booster decreased association with infection. In COVID-19-positive cancer patients, 58% had positive anti-nucleocapsid and 76% had positive anti-spike (≥10 U/mL), compared to essentially 100% seroconversion in SCD and controls (p < .0001, p = .01, respectively). Infection led to high anti-spike (≥2500 U/mL) in 12% cancer, 14% SCD, and 15% controls (p = .93). Vaccination resulted in anti-spike positivity in 90% cancer, 100% SCD, and 100% controls (p = .06), and in high anti-spike in 20% cancer, 47% SCD, and 41% controls (p = .36). Of boosted subjects, one of two cancer, 6/6 SCD, and 19/19 controls exhibited high anti-spike. CONCLUSIONS: Cancer patients demonstrated similar SARS-CoV-2 infection frequency as controls, but diminished antibody response to infection and vaccination. SCD patients exhibited seroconversion indistinguishable from controls. Vaccination was associated with higher frequency of high anti-spike than infection; vaccination plus booster was most effective in eliciting high anti-spike antibody detectable beyond 90 days.


Assuntos
Anticorpos Antivirais , COVID-19 , SARS-CoV-2 , Humanos , COVID-19/epidemiologia , COVID-19/imunologia , COVID-19/prevenção & controle , Criança , Masculino , Feminino , SARS-CoV-2/imunologia , Adolescente , Pré-Escolar , Estudos Soroepidemiológicos , Anticorpos Antivirais/sangue , Neoplasias/imunologia , Neoplasias/tratamento farmacológico , Neoplasias/epidemiologia , Neoplasias/sangue , Lactente , Anemia Falciforme/imunologia , Anemia Falciforme/epidemiologia , Anemia Falciforme/complicações , Anemia Falciforme/sangue , Adulto Jovem , Neoplasias Hematológicas/imunologia , Neoplasias Hematológicas/epidemiologia , Seguimentos , Vacinas contra COVID-19/administração & dosagem , Vacinas contra COVID-19/imunologia
2.
J Emerg Med ; 61(3): e32-e39, 2021 09.
Artigo em Inglês | MEDLINE | ID: mdl-34176689

RESUMO

BACKGROUND: Pediatric patients undergoing transabdominal pelvic ultrasound require a full bladder as an acoustic window. Patients are typically relied upon to subjectively identify bladder fullness, but inaccurate reporting often leads to delays in test results, diagnosis, and treatment. OBJECTIVES: Our aim was to objectively evaluate bladder fullness by comparing the height of the bladder to the height of the uterus on point-of-care ultrasound (POCUS). Our hypothesis was that this method would result in faster time to imaging and decrease emergency department length of stay (ED LOS). METHODS: Bladder fullness was assessed using POCUS every 30 min until the bladder was full. If the height of the bladder was equal to or greater than the height of the uterus in the sagittal view, the bladder was considered full. The POCUS group was compared with a control group that relied solely on patients' self-identified bladder fullness. RESULTS: Females aged 8-18 years old with pelvic pain in the pediatric ED were included in the study. Forty POCUS patients were compared with a control group of 105 patients. The POCUS group demonstrated a decrease in time to pelvic imaging by 38.7 min (95% confidence interval -59.2 to -18.2; p < 0.0001) and a decrease in LOS by 49.2 min (95% CI -89.7 to -8.61; p = 0.004). There was poor overall agreement on bladder fullness between patient's subjective sensation and POCUS (k = 0.04). CONCLUSION: POCUS to evaluate bladder fullness by comparing the height of the bladder with the height of the uterus reduces time to pelvic imaging and ED LOS.


Assuntos
Sistemas Automatizados de Assistência Junto ao Leito , Bexiga Urinária , Adolescente , Criança , Serviço Hospitalar de Emergência , Feminino , Humanos , Testes Imediatos , Ultrassonografia , Bexiga Urinária/diagnóstico por imagem
3.
Pediatr Emerg Care ; 33(1): 14-17, 2017 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-27977532

RESUMO

OBJECTIVES: The Faces, Legs, Activity, Cry, and Consolability (FLACC) scale is one of the most widely utilized observational pain assessment scales in clinical practice. Although designed and validated to assess postoperative pain, the tool is currently applied to assess acute pain in multiple settings, including the emergency department. Scarce literature exists evaluating the reliability of the FLACC scale in the nonsurgical population and none in the emergency department. We sought to investigate the reliability of the FLACC scale in assessing acute pain in the pediatric emergency department and to examine the sensitivity of FLACC scores after the administration of analgesia. METHODS: In phase 1 of this prospective study, a series of 2 independent evaluators, blinded to each other's evaluations, scored 66 patients using the FLACC tool. Degree of concordance among the 6 dyads was used to measure interrater reliability. In phase 2, FLACC scores were obtained just before the administration of analgesia in 35 patients and measured at 30 and at 60 minutes after administration. RESULTS: Among the 6 dyads of evaluators, Kendall W demonstrated a strong concordance (27 of 30 measures; range, 0.63-1.00) for individual components of the scale and for the composite scores (range, 0.85-0.96). Significant mean reductions from preanalgesia FLACC scores [5.54; 95% confidence interval (CI), 4.79-6.30] were seen at 30 minutes (2.00; 95% CI, 1.61-2.39) and 60 minutes (1.14; 95% CI, 0.79-1.50) postanalgesia (P < 0.0001 for all comparisons). CONCLUSIONS: The FLACC scale demonstrated high interrater reliability for both individual FLACC items and total scores in a convenience sample of patients aged 6 months to 5 years in a pediatric emergency department. It seems to be an appropriate observational tool to assess acute pain in this population.


Assuntos
Dor Aguda/diagnóstico , Serviço Hospitalar de Emergência/organização & administração , Medição da Dor/métodos , Pré-Escolar , Feminino , Humanos , Masculino , Estudos Prospectivos , Reprodutibilidade dos Testes , Sensibilidade e Especificidade
5.
Aust J Rural Health ; 24(6): 409-414, 2016 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-26833693

RESUMO

OBJECTIVE: Patients diagnosed with cancer in the Emergency Department (ED) have more advanced disease at diagnosis and poorer outcomes. High rates of initial presentation to ED suggest potential problems with access to care. The aim of this project was to interpret findings in regional/rural Victoria and explore implications for practice. DESIGN: Cross-sectional study linking two independent data sets. SETTING: Regional city of Geelong and surrounding rural areas in south-west Victoria. PARTICIPANTS: All newly diagnosed cancer patients in 2009. MAIN OUTCOME MEASURES: Number of cancer patients diagnosed in the ED. RESULTS: One in five newly diagnosed cancer patients present to ED 6 months prior to cancer diagnosis. One in 10 is diagnosed as a result of their ED visit. Patients presenting to ED were older, more often men and from disadvantaged areas. Symptoms on presentation included chest complaints, bowel obstruction, abdominal pain, anaemia and generalised weakness. Cancer diagnosed in the ED is associated with advanced stage and shorter survival. CONCLUSION: Reasons for presentation to ED would be multifactorial and include complex cases with coexisting symptoms making diagnosis difficult. The general public appear to have a low level of awareness of alternative primary care services or difficulty accessing such information. Some of the changes towards reducing the number of patients presenting to ED will include patient education.


Assuntos
Serviço Hospitalar de Emergência , Neoplasias/diagnóstico , Neoplasias/epidemiologia , Idoso , Bases de Dados Factuais , Feminino , Humanos , Masculino , Vitória/epidemiologia
6.
J Vasc Interv Radiol ; 26(7): 1001-6, 2015 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-25704224

RESUMO

PURPOSE: To evaluate the safety and efficacy of ultrasound-accelerated catheter-directed thrombolysis (USAT) in patients with submassive pulmonary embolism (PE). MATERIALS AND METHODS: This retrospective study comprised 45 consecutive patients (15 prospective, 30 retrospective) who underwent USAT for submassive PE from June 2012-May 2014. Inclusion criteria were right ventricular dysfunction (RVD) as indicated by right ventricle-to-left ventricle (RV:LV) ratio > 0.9, symptoms of < 2 weeks' duration, and absence of absolute contraindication to thrombolysis. All patients underwent pulmonary artery catheterization with a standardized protocol (24 mg recombinant tissue plasminogen activator). Hemodynamic evaluation immediately after USAT, RV:LV ratio evaluation at 48-72 hours after USAT by computed tomography angiography and echocardiography, and adverse event reporting for a minimum of 30 days were performed. Outcomes and complications are reported as per the Society of Interventional Radiology Reporting Standards for Endovascular Treatment of Pulmonary Embolism. RESULTS: USAT was technically successful in 100% (n = 45) of patients. Main pulmonary artery pressure significantly decreased from 49.8 mm Hg to 31.1 mm Hg (P < .0001). RVD significantly improved with mean RV:LV ratios decreasing from 1.59 to 0.93 (P < .0001). There were 6 complications: 4 minor bleeding episodes at access sites and 2 major bleeding complications (flank and arm hematoma). All-cause mortality at 30 days was 0%. There were no readmissions for PE at 30 days after discharge. CONCLUSIONS: Ultrasound-accelerated catheter-directed thrombolysis using a standardized low-dose protocol is a safe and efficacious method of treatment of submassive PE to reduce acute pulmonary hypertension and RVD.


Assuntos
Cateterismo de Swan-Ganz , Fibrinolíticos/administração & dosagem , Embolia Pulmonar/terapia , Terapia Trombolítica/métodos , Ativador de Plasminogênio Tecidual/administração & dosagem , Terapia por Ultrassom/métodos , Doença Aguda , Adulto , Idoso , Pressão Arterial , Cateterismo de Swan-Ganz/efeitos adversos , Feminino , Fibrinolíticos/efeitos adversos , Hemorragia/induzido quimicamente , Humanos , Hipertensão Pulmonar/etiologia , Hipertensão Pulmonar/fisiopatologia , Hipertensão Pulmonar/terapia , Infusões Intra-Arteriais , Masculino , Pessoa de Meia-Idade , Artéria Pulmonar/fisiopatologia , Embolia Pulmonar/complicações , Embolia Pulmonar/diagnóstico , Embolia Pulmonar/fisiopatologia , Proteínas Recombinantes/administração & dosagem , Recuperação de Função Fisiológica , Estudos Retrospectivos , Fatores de Risco , Terapia Trombolítica/efeitos adversos , Fatores de Tempo , Ativador de Plasminogênio Tecidual/efeitos adversos , Tomografia Computadorizada por Raios X , Resultado do Tratamento , Terapia por Ultrassom/efeitos adversos , Disfunção Ventricular Direita/etiologia , Disfunção Ventricular Direita/fisiopatologia , Disfunção Ventricular Direita/terapia , Função Ventricular Direita
7.
Emerg Med J ; 32(4): 330-2, 2015 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-25430916

RESUMO

OBJECTIVES: To explore the increasing numbers of emergency medicine (EM) registrars that obtained their primary medical degree from UK or Irish universities, who work in emergency departments (ED) throughout Australia and New Zealand. METHODS: The Victorian Emergency Registrar Study was published at the Australasian College for Emergency Medicine (ACEM) annual scientific meeting in Adelaide in November 2013. As a follow on, ACEM provided the authors with data regarding country of primary degree for international medical graduates (IMG) working as registrars in Australasian EDs. RESULTS: UK and Irish EM registrars make up the largest proportion of IMGs working in Australian and New Zealand EDs. These figures have increased from 34% in 2008 to 45% in 2013. In 2013, there was the highest yearly intake of UK and Irish ED IMG registrars, representing 41% of registrars joining the Australasian EM training programme. Current data show that >25% of all ED registrars working in Australasian EDs studied for their primary medical degree in a university either in Ireland or the UK. CONCLUSIONS: While there have been anecdotal reports of increased outflow of junior EM doctors from the UK and Ireland, we provide quantitative data on the extent of the recent (5-year trend data) emigration of UK/Irish EM trainees to Australia and New Zealand and discuss the impact of this on both the UK/Irish and Australasian health systems.


Assuntos
Educação de Pós-Graduação em Medicina/tendências , Medicina de Emergência/educação , Médicos Graduados Estrangeiros/tendências , Internato e Residência/tendências , Austrália , Inglaterra , Humanos , Irlanda , Nova Zelândia
8.
J Vasc Interv Radiol ; 25(1): 47-52, 2014 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-24176946

RESUMO

PURPOSE: To report early findings from a prospective United States clinical trial to evaluate the efficacy and safety of prostatic artery embolization (PAE) for benign prostatic hyperplasia (BPH). MATERIALS AND METHODS: From January 2012 to March 2013, 72 patients were screened and 20 patients underwent treatment. Patients were evaluated at baseline and selected intervals (1, 3, and 6 mo) for the following efficacy variables: American Urological Association (AUA) symptom score, quality of life (QOL)-related symptoms, International Index of Erectile Function score, peak urine flow rate, and prostate volume (on magnetic resonance imaging at 6 mo). Complications were monitored and reported per Society of Interventional Radiology guidelines. RESULTS: Embolization was technically successful in 18 of 20 patients (90%); bilateral PAE was successful in 18 of 19 (95%). Unsuccessful embolizations were secondary to atherosclerotic occlusion of prostatic arteries. Clinical success was seen in 95% of patients (19 of 20) at 1 month, with average AUA symptom score improvements of 10.8 points at 1 month (P < .0001), 12.1 points at 3 months (P = .0003), and 9.8 points at 6 months (P = .06). QOL improved at 1 month (1.9 points; P = .0002), 3 months (1.9 points; P = .003), and 6 months (2.6 points; P = .007). Sexual function improved by 34% at 1 month (P = .11), 5% at 3 months (P = .72), and 16% at 6 months (P = .19). Prostate volume at 6 months had decreased 18% (n = 5; P = .05). No minor or major complications were reported. CONCLUSIONS: Early results from this clinical trial indicate that PAE offers a safe and efficacious treatment option for men with BPH.


Assuntos
Embolização Terapêutica , Próstata/irrigação sanguínea , Hiperplasia Prostática/terapia , Idoso , Idoso de 80 Anos ou mais , Angiografia Digital , Artérias , Embolização Terapêutica/efeitos adversos , Disfunção Erétil/etiologia , Disfunção Erétil/fisiopatologia , Humanos , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Ereção Peniana , Estudos Prospectivos , Próstata/patologia , Próstata/fisiopatologia , Hiperplasia Prostática/complicações , Hiperplasia Prostática/diagnóstico , Hiperplasia Prostática/fisiopatologia , Qualidade de Vida , Recuperação de Função Fisiológica , Inquéritos e Questionários , Fatores de Tempo , Tomografia Computadorizada por Raios X , Resultado do Tratamento , Estados Unidos
9.
J Nurs Adm ; 44(4): 232-6, 2014 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-24662693

RESUMO

OBJECTIVE: The objectives of this study were to explore RN perceptions regarding barriers/challenges and incentives/supports for BSN completion and identify recommendations to increase RN BSN completion. BACKGROUND: The Institute of Medicine's 2011 The Future of Nursing report recommended the proportion of RNs with a BSN increase to 80% by 2020. METHOD: This qualitative study included 41 RNs who participated in 1 of 6 focus groups based on their BSN completion status. RESULTS: Primary themes were sacrifices, barriers/challenges, incentives/supports, value, how to begin, and pressure. Primary BSN completion barriers/challenges were work-life balance and economic issues. Incentives/supports identified were financial compensation, assistance from employer and academic institution, and encouragement from family. Institutional strategies recommended for increasing BSN completion rates were improved access to education and financial support facilitated by collaboration between hospitals and academic institutions. CONCLUSIONS: Exploring RN barriers/challenges and incentives/supports for BSN completion can lead to implementation of institutional strategies, such as tuition reimbursement and academic collaboration.


Assuntos
Bacharelado em Enfermagem , Motivação , Grupos Focais , Humanos , Sistemas Multi-Institucionais , National Academies of Science, Engineering, and Medicine, U.S., Health and Medicine Division , Estados Unidos
10.
J Arthroplasty ; 29(4): 712-8, 2014 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-23916640

RESUMO

Questionnaires are marginally useful for objectively measuring function after knee arthroplasty. The Functional Assessment (FA) test is an easily administered, timed test of a person's ability to stand, walk and ascend/descend stairs that would be useful for quantifying a patient's function after knee arthroplasty. Four hundred forty-five individuals were included in the study: 313 without lower extremity arthritis or neurologic disease and 132 with advanced degenerative arthritis prior to knee arthroplasty. As expected, the test times were longer for individuals afflicted with knee arthritis. Arthroplasty patients were tested pre- and postoperatively to determine if their FA test time improved. The FA test takes less than a minute and is practical for use in the clinical setting as a simple means of quantifying function before and after knee arthroplasty.


Assuntos
Artroplastia do Joelho , Articulação do Joelho/fisiopatologia , Recuperação de Função Fisiológica , Idoso , Idoso de 80 Anos ou mais , Feminino , Marcha , Humanos , Articulação do Joelho/cirurgia , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Amplitude de Movimento Articular , Caminhada
11.
J Perianesth Nurs ; 29(1): 20-7, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-24461279

RESUMO

PURPOSE: This study examined the effects of preoperative incentive spirometry (IS) education (POISE) on postoperative outcomes for knee and hip total joint replacement patients. DESIGN: In this prospective study, 140 patients were randomized to Group 1 (POISE intervention = 50 completing) or Group 2 (no intervention = 56 completing) (34 dropped). METHODS: The Group 1 intervention consisted of formal instruction preoperatively for IS home use, postoperative use, and IS volumes documentation. Group 2 patients received no intervention. Patients recorded postoperative IS volumes, which were used to determine return to baseline volume. FINDINGS: One hundred six patients completed the study. Most were Caucasian females averaging 64 years. Although IS return to baseline volume time was not significantly different between groups, POISE patients had fewer postoperative complications, hospital days, and charges. POISE patients ranked the intervention as helpful. CONCLUSIONS: Although IS volumes were not significantly different between groups, POISE patients had better outcomes and ranked the intervention as helpful.


Assuntos
Artroplastia de Quadril , Artroplastia do Joelho , Educação de Pacientes como Assunto/métodos , Espirometria , Feminino , Humanos , Masculino , Período Pré-Operatório , Estudos Prospectivos
12.
Ir Vet J ; 67(1): 21, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-25295161

RESUMO

Four primary mycotoxicosis have been reported in livestock caused by fungal infections of grasses or cereals by members of the Clavicipitaceae family. Ergotism (generally associated with grasses, rye, triticale and other grains) and fescue toxicosis (associated with tall fescue grass, Festuca arundinacea) are both caused by ergot alkaloids, and referred to as 'ergot alkaloid intoxication'. Ryegrass staggers (associated with perennial ryegrass Lolium perenne) is due to intoxication with an indole-diperpene, Lolitrem B, and metabolites. Fescue-associated oedema, recently described in Australia, may be associated with a pyrrolizidine alkaloid, N-acetyl norloline. Ergotism, caused by the fungus Claviceps purpurea, is visible and infects the outside of the plant seed. Fescue toxicosis and ryegrass staggers are caused by Neotyphodium coenophalium and N. lolii, respectively. Fescue-associated oedema has been associated with tall fescue varieties infected with a specific strain of N. coenophialum (AR542, Max P or Max Q). The name Neotyphodium refers to asexual derivatives of Epichloë spp., which have collectively been termed the epichloë fungi. These fungi exist symbiotically within the grass and are invisible to the naked eye. The primary toxicological effect of ergot alkaloid involves vasoconstriction and/or hypoprolactinaemia. Ingestion of ergot alkaloid by livestock can cause a range of effects, including poor weight gain, reduced fertility, hyperthermia, convulsions, gangrene of the extremities, and death. To date there are no published reports, either internationally or nationally, reporting ergot alkaloid intoxication specifically associated with perennial ryegrass endophytes. However, unpublished reports from the Irish Equine Centre have identified a potential emerging problem of ergot alkaloid intoxication with respect to equines and bovines, on primarily perennial ryegrass-based diets. Ergovaline has been isolated in varying concentrations in the herbage of a small number of equine and bovine farms where poor animal health and performance had been reported. Additionally, in some circumstances changes to the diet, where animals were fed primarily herbage, were sufficient to reverse adverse effects. Pending additional information, these results suggest that Irish farm advisors and veterinarians should be aware of the potential adverse role on animal health and performance of ergot alkaloids from perennial ryegrass infected with endophytic fungi.

13.
Psychiatr Q ; 84(3): 303-11, 2013 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-23076764

RESUMO

Emotional Intelligence (EI) is a broad personality construct signifying the ability to perceive and to regulate affects within oneself. Alexithymia is another personality construct denoting difficulty in identifying and expressing emotions, with an externally oriented thinking style. Although previously considered to be independent, some studies have shown that these constructs overlap. The aim of this study was to evaluate and compare the levels of EI and alexithymia in patients with panic disorder, major depressive disorder (MDD), and generalized anxiety disorder (GAD). The subjects included 171 psychiatric patients and 56 non-clinical controls. Psychiatric diagnoses were based on DSM-IV criteria. The Emotional Intelligence Scale-34 (EIS-34) and the Toronto Alexithymia Scale (TAS-20) were used to assess EI and alexithymia. All three patient groups scored statistically significantly higher than the non-clinical controls on TAS-20 total score and the TAS-20 subfactors of difficulty identifying feelings and difficulty describing feelings. EIS-34 scores were lower in patient groups than in the non-clinical controls, but only the EIS-34 intrapersonal subscale was significant difference. Total TAS-20 and EIS-34 scores in the patient cohort were inversely and significantly correlated These results reaffirm an overlap between EI and alexithymia with the intrapersonal factor of EI to be more dependent on the difficulty identifying feelings dimension of alexithymia in subjects with MDD and GAD.


Assuntos
Sintomas Afetivos/etiologia , Transtornos de Ansiedade/complicações , Transtorno Depressivo Maior/complicações , Inteligência Emocional/fisiologia , Transtorno de Pânico/complicações , Adulto , Análise de Variância , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Pacientes Ambulatoriais , Escalas de Graduação Psiquiátrica , Estatísticas não Paramétricas
14.
ACS Appl Mater Interfaces ; 15(39): 46571-46578, 2023 Oct 04.
Artigo em Inglês | MEDLINE | ID: mdl-37733934

RESUMO

In the contemporary world, wearable electronics and smart textiles/fabrics are galvanizing a transformation of the health care, aerospace, military, and commercial industries. However, a major challenge that exists is the manufacture of electronic circuits directly on fabrics. In this work, we addressed the issue by developing a sequential manufacturing process. First, the target fabric was coated with a customized ink containing lignin. Next, a desired circuit layout was patterned by laser burning lignin, converting it to carbon and establishing a conductive template on the fabric. At last, using an in-house-designed printer, a devised localized hydrogen evolution-assisted (HEA) copper electroplating method was applied to metalize the surface of the laser-burned lignin pattern to achieve a very low resistive circuit layout (0.103 Ω for a 1 cm long interconnect). The nanostructure and material composition of the different layers were investigated via scanning electron microscopy, energy-dispersive X-ray spectroscopy (EDX), Raman spectroscopy, and Fourier-transform infrared spectroscopy (FTIR). Monitoring the conductivity change before and after bending, rolling, stretching, washing, and adhesion tests presented remarkable mechanical stability due to the entanglement of the copper nanostructure to the fibers of the fabric. Furthermore, the HEA method was used to solder a light-emitting diode to a patterned circuit on the fabric by growing copper at the terminals, creating interconnects. The presented sequential printing method has the potential for fabricating reliable wearable electronics for various applications, particularly in medical monitoring.

15.
Respirology ; 16(3): 481-6, 2011 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-21199161

RESUMO

BACKGROUND AND OBJECTIVE: Patients with idiopathic pulmonary fibrosis (IPF) have a higher prevalence of coronary artery disease and this could have an impact on their outcomes. We investigated the predictive ability of coronary artery calcification, assessed by routine CT, which may predict the presence of coronary artery disease. METHODS: The study cohort consisted of patients with IPF and with left heart catheterization data plus CT scans from July 2003 to July 2008. Grades of coronary calcification on CT were compared with left heart catheterization determination of coronary artery disease. RESULTS: There were 57 patients in whom left heart catheterization review demonstrated significant coronary artery disease in 28.1% (16/57), mild disease in 40.3% (23/57) and none in 31.6% (18/57). The median time interval between the catheterization and the reviewed CT scan was 39 days. The sensitivity of moderate to severe calcification for significant coronary artery disease was 81%, while the specificity was 85%, with an associated odds ratio of 25.2 (4.64-166, P < 0.005). There was excellent agreement among three radiologists in the grading of coronary calcification. CONCLUSIONS: Coronary calcification, as assessed by routine CT of the chest, has very good performance characteristics in predicting underlying significant coronary artery disease in patients with IPF. The routine availability of this study enables the ready screening for coronary artery disease in IPF patients.


Assuntos
Calcinose/diagnóstico por imagem , Doença da Artéria Coronariana/diagnóstico por imagem , Fibrose Pulmonar Idiopática/diagnóstico por imagem , Tomografia Computadorizada por Raios X , Calcinose/epidemiologia , Cateterismo Cardíaco , Estudos de Coortes , Angiografia Coronária , Doença da Artéria Coronariana/epidemiologia , Feminino , Humanos , Fibrose Pulmonar Idiopática/epidemiologia , Masculino , Pessoa de Meia-Idade , Prevalência , Estudos Retrospectivos , Sensibilidade e Especificidade , Índice de Gravidade de Doença
16.
J Foot Ankle Surg ; 50(6): 663-7, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-21907594

RESUMO

Bone biopsy is often referred to as the reference standard for the diagnosis of diabetic foot osteomyelitis (OM), and it also serves as an important interventional tool with respect to diabetic foot infections and limb salvage. However, the phrase bone biopsy lacks a standardized definition, and the statistical reliability of the pathologic diagnosis has not been previously examined. The objective of the present study was to quantify the reliability of the histopathologic analysis of bone with respect to the diagnosis of diabetic foot OM. Four pathologists, kept unaware of the previous pathology reports and specific patient clinical characteristics, retrospectively reviewed 39 consecutive tissue specimens and were informed only that it was "a specimen of bone taken from a diabetic foot to evaluate for OM." As a primary outcome measure, the pathologists were asked to make 1 of 3 possible diagnoses: (1) no evidence of OM, (2) no definitive findings of OM, but cannot rule it out, or (3) findings consistent with OM. There was complete agreement among all 4 pathologists with respect to the primary diagnosis in 13 (33.33%) of the 39 specimens, with a corresponding kappa coefficient of 0.31. A situation of clinically significant disagreement, or in which at least 1 pathologist diagnosed "no evidence of OM," but at least 1 other pathologist diagnosed "findings consistent with OM," occurred in 16 (41.03%) of the specimens. These results indicate agreement below the level of a "reference standard" and emphasize the need for a more comprehensive diagnostic protocol for diabetic foot OM.


Assuntos
Biópsia por Agulha , Osso e Ossos/patologia , Pé Diabético/patologia , Osteomielite/patologia , Adulto , Estudos de Coortes , Pé Diabético/diagnóstico , Pé Diabético/epidemiologia , Feminino , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Osteomielite/diagnóstico , Osteomielite/epidemiologia , Valores de Referência , Reprodutibilidade dos Testes , Estudos Retrospectivos , Medição de Risco , Sensibilidade e Especificidade , Índice de Gravidade de Doença , Técnicas de Cultura de Tecidos
18.
Female Pelvic Med Reconstr Surg ; 27(8): 488-492, 2021 08 01.
Artigo em Inglês | MEDLINE | ID: mdl-34261107

RESUMO

OBJECTIVES: Transient urinary retention occurs frequently after pelvic organ prolapse surgery. While the prevalence of postoperative urinary retention has been reported for reconstructive procedures, a paucity of data exists for colpocleisis. The objectives of this retrospective cohort study were to identify risk factors for transient urinary retention after colpocleisis and to determine the rate of its occurrence. METHODS: A retrospective chart review was performed for patients undergoing colpocleisis from January 2015 to December 2019 in a high-volume urogynecology practice. Patients were excluded if they required prolonged catheterization postoperatively because of a surgical complication or used a catheter before surgery, or if a suprapubic catheter was placed during surgery. Potential patient and procedural risk factors were analyzed. Transient urinary retention was diagnosed if patients failed their postoperative voiding trial and went home with a catheter. RESULTS: A total of 172 patients met the inclusion criteria. The incidence of transient postoperative urinary retention was 55%, with rates of 36.7% with LeFort colpocleisis, 51.5% with posthysterectomy colpocleisis, and 64.9% with colpocleisis with concomitant hysterectomy. Logistic regression revealed an increased risk of postoperative urinary retention if hysterectomy was performed at the time of colpocleisis (odds ratio, 2.9; confidence interval, 1.23-6.84; P = 0.015). Patient age, prolapse severity, preoperative postvoid residual volume, and concomitant anti-incontinence procedure were not associated with transient postoperative urinary retention. CONCLUSIONS: Transient urinary retention occurs in more than half of patients after colpocleisis. Patients undergoing concomitant hysterectomy have the highest risk of postoperative urinary retention. Surgeons can use this information both for counseling and management decisions for individual patients.


Assuntos
Colpotomia/efeitos adversos , Complicações Pós-Operatórias/etiologia , Retenção Urinária/etiologia , Idoso , Feminino , Humanos , Estudos Retrospectivos , Fatores de Risco
19.
Am Surg ; 76(12): 1355-62, 2010 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-21265349

RESUMO

The authors review their experience with thoracic esophageal perforation at Inova Fairfax Hospital, June 1, 1988, to March 1, 2009. With the exception of 6 patients with occult perforation, all of whom survived with nonoperative therapy, aggressive surgical intervention was the standard approach. Among patients treated aggressively with surgery within 24 hours of perforation, hospital survival was 97 per cent versus 89 per cent for patients treated aggressively surgically after 24 hours. In the absence of phlegmon, implacable obstruction, or delay, primary repair resulted in 100 per cent survival. Where phlegmon or resolute obstruction existed, resection and reconstruction resulted in 96 per cent survival. Even when patients were deemed too ill to undergo surgery, cervical diversion was 100 per cent effective in eradicating continuing leak and achieved 89 per cent survival. Endoesophageal stenting was applied as primary treatment or secondarily such as where leak complicated primary repair. When stenting was used as the initial and primary treatment modality, survival was 88 per cent. Targeted drainage was helpful on occasion as an adjunct to initial therapies. Comfort measures alone were appropriate when clinical circumstances merited no effort at resuscitation. Finally, survivors were asked to self-categorize their ability to swallow; 95 per cent responded good to excellent.


Assuntos
Perfuração Esofágica/cirurgia , Idoso , Fístula Anastomótica/epidemiologia , Celulite (Flegmão)/epidemiologia , Comorbidade , Deglutição , Perfuração Esofágica/epidemiologia , Perfuração Esofágica/mortalidade , Perfuração Esofágica/terapia , Esofagectomia , Feminino , Mortalidade Hospitalar , Humanos , Tempo de Internação , Masculino , Pessoa de Meia-Idade , Recuperação de Função Fisiológica , Estudos Retrospectivos , Stents , Análise de Sobrevida
20.
Artigo em Inglês | MEDLINE | ID: mdl-31750787

RESUMO

The Australia New Zealand Food Standards Code (the Code) requires a declaration of the presence of 11 different allergens made through the label on a food product. Most food recalls in Australia are now due to undeclared allergens . This survey determined the extent of undeclared allergens in imported food products on the Asian retail market in Australia. A total of 50 imported packaged foods were selectively purchased from local Asian grocery retail stores in Melbourne and the presence of undeclared gluten, milk, peanut and egg determined. Analysis was performed using commercial enzyme-linked immunosorbent assay (ELISA) (R-Biopharm). Thirty-seven undeclared allergens (gluten n = 12, milk n = 12, peanut n = 6, and egg n = 7) were detected in 23 of the 50 products analysed (46%), with 18% containing multiple undeclared allergens. The high number of undeclared allergens is alarming and in line with the increasing number of food recalls and anaphylaxis recorded in Australia.


Assuntos
Alérgenos/análise , Análise de Alimentos , Rotulagem de Alimentos/normas , Inocuidade dos Alimentos , Animais , Arachis , Austrália , Qualidade de Produtos para o Consumidor , Ovos , Glutens , Leite
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