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1.
Magn Reson Med ; 2024 Jan 31.
Artigo em Inglês | MEDLINE | ID: mdl-38297511

RESUMO

PURPOSE: Hyperpolarized xenon MRI suffers from heterogeneous coil bias and magnetization decay that obscure pulmonary abnormalities. Non-physiological signal variability can be mitigated by measuring and mapping the nominal flip angle, and by rescaling the images to correct for signal bias and decay. While flip angle maps can be calculated from sequentially acquired images, scan time and breath-hold duration are doubled. Here, we exploit the low-frequency oversampling of 2D-spiral and keyhole reconstruction to measure flip angle maps from a single acquisition. METHODS: Flip angle maps were calculated from two images generated from a single dataset using keyhole reconstructions and a Bloch-equation-based model suitable for hyperpolarized substances. Artifacts resulting from acquisition and reconstruction schemes (e.g., keyhole reconstruction radius, slice-selection profile, spiral-ordering, and oversampling) were assessed using point-spread functions. Simulated flip angle maps generated using keyhole reconstruction were compared against the paired-image approach using RMS error (RMSE). Finally, feasibility was demonstrated for in vivo xenon ventilation imaging. RESULTS: Simulations demonstrated accurate flip angle maps and B1 -inhomogeneity correction can be generated with only 1.25-fold central-oversampling and keyhole reconstruction radius = 5% (RMSE = 0.460°). These settings also generated accurate flip angle maps in a healthy control (RSME = 0.337°) and a person with cystic fibrosis (RMSE = 0.404°) in as little as 3.3 s. CONCLUSION: Regional lung ventilation images with reduced impact of B1 -inhomogeneity can be acquired rapidly by combining 2D-spiral acquisition, Bloch-equation-based modeling, and keyhole reconstruction. This approach will be especially useful for breath-hold studies where short scan durations are necessary, such as dynamic imaging and applications in children or people with severely compromised respiratory function.

2.
Mymensingh Med J ; 33(1): 267-278, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38163803

RESUMO

Posterior reversible encephalopathy syndrome (PRES) is a pathology seen not only in precelampsia with severe symptoms and eclampsia but in a varicty of diseases/ conditions. With the availability of neuroimaging, it is possible to know the exact underlying Central nervous system (CNS) pathology in preeclampsia with severe symptoms and eclampsia and thus therapy can be targeted. Preeclampsia with severe symptoms and eclampsia remains to be an important cause of maternal morbidity and mortality in both the developing and developed world. The objective of this study was to evaluate the association of Posterior reversible encephalopathy syndrome (PRES) by MRI (Magnetic resonance imaging) with preeclampsia with severe symptoms and eclampsia in south east part of Bangladesh. This cross-sectional observational study was performed among women suffering from preeclampsia with severe symptoms and eclampsia who attended at Obstetrics & Gynaecology department of Chittagong Medical College Hospital (CMCH), Bangladesh from January 2021 to June 2021. According to inclusion/exclusion criteria 50 samples were taken by convenient sampling for this study. A detail history was taken and complete general physical and gynecological examination was performed. Required data was collected through preset questionnaire. Neuroimaging reports were reviewed by both neurologist and radiologist. Data was analyzed by using windows based computer software device, SPSS 25.0. Results obtained from this study will be used to make a statement regarding aggressive management for cerebral vasospasm in severe preeclampsia and eclamptia related PRES. PRES has been reported to be reversible but late recognition or incorrect treatment can cause irreversible brain damage. Institution of early treatment leads to resolution of symptoms without any neurologic deficit and thus reduces maternal morbidity and mortality. PRES is a cliniconeuroradiologic entity. This study can aware doctors regarding prompt diagnosis of PRES in peripartum period among patient suffering from preeclampsia with severe symptoms and eclampsia by imaging aside clinical findings. A conclusive decision can be made to improve the outcome in this potentially life threatening but reversible condition.


Assuntos
Eclampsia , Síndrome da Leucoencefalopatia Posterior , Pré-Eclâmpsia , Gravidez , Feminino , Humanos , Eclampsia/terapia , Síndrome da Leucoencefalopatia Posterior/diagnóstico , Síndrome da Leucoencefalopatia Posterior/diagnóstico por imagem , Bangladesh/epidemiologia , Estudos Transversais
3.
Cureus ; 15(8): e43385, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-37700936

RESUMO

A 28-year-old female presented to the burn unit with 2% total body surface area second-degree burns to the right flank and right breast after accidentally spilling coffee on herself while hospitalized for an acute exacerbation of systemic lupus erythematosus (SLE) in the form of neuromyelitis optica spectrum disorder. We document her inpatient management, which was challenging because of the contradictory relationship between typical management of SLE exacerbations (i.e., immunosuppressive medication regimens) and the body's post-burn healing process, which is inherently inflammatory in nature. Even with a high-dose immunosuppressive medication regimen, our patient's second-degree burns healed with non-operative management without significant adverse events. Adding to a small yet growing body of literature addressing the clinical presentation and management of burn wounds in the setting of an acute SLE exacerbation, our case suggests that clinicians must carefully weigh the risks of surgical intervention with those of non-operative management when approaching burn care during an acute rheumatologic disease flare up.

4.
Heart Surg Forum ; 26(3): E240-E248, 2023 May 31.
Artigo em Inglês | MEDLINE | ID: mdl-37401429

RESUMO

BACKGROUND: The independent predictive values of troponin I (cTnI) and B-type natriuretic peptide (BNP) after coronary artery bypass grafting (CABG) have been reported in several studies. However, adjustment only has been limited to preoperative risk factors. AIM: This study was conducted to assess the independent values of postoperative cTnI and BNP to predict the outcome after CABG with adjustment for preoperative risk estimates and postoperative complications and to report risk stratification gains, when considering the European System for Cardiac Operative Risk Evaluation (EuroSCORE) combined with postoperative biomarkers. METHODS: This retrospective cohort study included 282 consecutive patients undergoing CABG between January 2018 and December 2021. We evaluated the preoperative and postoperative cTnI and BNP, EuroSCORE, and postoperative complications. The composite endpoint was death or cardiac-related adverse events. RESULTS: The AUROC for postoperative cTnI was significantly higher than that of BNP (0.777 vs. 0.625, p = 0.041). The optimal cut-off values to predict the composite outcome were >4830 (pg/mL) and >6.95 (ng/mL) for BNP and cTnI, respectively. Adjustment for relevant and significant perioperative factors showed that postoperative BNP and cTnI had a high discriminatory power (C-index = 0.773 and 0.895, respectively) for predicting major adverse events. CONCLUSIONS: Postoperative BNP and cTnI are independent predictors of death or major adverse events, following CABG, and can add to the predictive power of EuroSCORE II.


Assuntos
Ponte de Artéria Coronária , Peptídeo Natriurético Encefálico , Humanos , Estudos Retrospectivos , Ponte de Artéria Coronária/efeitos adversos , Troponina I , Biomarcadores , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/etiologia
5.
Eye (Lond) ; 37(5): 1026-1032, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-35780188

RESUMO

BACKGROUND: Idiopathic scleroma (previously coined solitary idiopathic choroiditis or focal scleral nodule) is an innocuous lesion affecting the sclera with intraocular manifestations. It is often the basis of many misdiagnoses such as amelanotic choroidal melanoma, osteoma or metastatic lesions. Patients are often asymptomatic and the course is benign. With increasing use of community based imaging, more of such cases are being identified. This paper is a retrospective case series investigating the multi-modal imaging findings of idiopathic scleroma. METHODS: A retrospective analysis of prospectively collected data were analysed. Over the course of January 2008-January 2022, 44 patients diagnosed with idiopathic scleroma and imaged with wide-field colour fundus photography, fundus autofluorescence, ocular coherence tomography (OCT) and B-scan ultrasonography. Due to a poor image, only 43 images were included for OCT review. We also reviewed our patient's demographics, symptoms and baseline ophthalmic characteristics upon presentation. RESULTS: The mean age was 52 years (range 32-79) and there was no predilection towards gender. All lesions were post equatorial with the most common location being inferotemporal (n = 16, 36%); 32 lesions (73%) were yellow on fundus photography. 82% (n = 36/44) of lesions exhibited hyperautoflourescence and 43 lesions (98%) showed hyperechogenicity on B-scan ultrasonography. 100% of lesions originated from the sclera with no lesions showing active inflammation. 20 (47%) lesions had associated blood vessels overlying them on OCT. DISCUSSION: Idiopathic scleroma is a yellow, hyperautofluorescent, hyperechogeneic scleral lesion that has no signs of active inflammation. These characteristics help define them from other more sinister cause of amelanotic fundal lesions.


Assuntos
Doenças da Esclera , Tomografia de Coerência Óptica , Corioidite/diagnóstico por imagem , Doenças da Esclera/diagnóstico por imagem , Humanos , Angiofluoresceinografia , Tomografia de Coerência Óptica/métodos , Estudos Retrospectivos , Inflamação , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Idoso , Imagem Óptica
6.
Eye (Lond) ; 37(5): 1033-1036, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-35840716

RESUMO

INTRODUCTION: Proton beam therapy has been utilised for the treatment of uveal melanoma in the UK for over 30 years, undertaken under a single centre. In the UK, all ocular tumours are treated at one of four centres. We aimed to understand the variation in referral patterns to the UK proton service, capturing all uveal melanoma patients treated with this modality. METHODS: Retrospective analysis of data regarding all patients treated at the Clatterbridge Proton service between January 2004 and December 2014. RESULTS: A total of 1084 patients with uveal melanoma were treated. The mean age was 57 years (range 9-90 years), basal diameter of 11.5 mm (range 2.0-23.4 mm) and tumour thickness of 3.9 mm (range 0.1-15.4 mm). The majority were TNM stage I (39%) or II (36%). The distance to the optic nerve varied from 0 to 24.5 mm with 148 (14%) of patients having ciliary body involvement. There were variations in the phenotypic characteristic of the tumours treated with protons from different centres, with London referring predominantly small tumours at the posterior pole, Glasgow referring large tumours often at the ciliary body and Liverpool sending a mix of these groups. DISCUSSION: In the UK, common indications for the use of proton treatment in uveal melanoma include small tumours in the posterior pole poorly accessible for plaque treatment (adjacent to the disc), tumours at the posterior pole affecting the fovea and large anterior tumours traditionally too large for brachytherapy. This is the first UK-wide audit enabling the capture of all patients treated at the single proton centre.


Assuntos
Braquiterapia , Melanoma , Terapia com Prótons , Neoplasias Uveais , Humanos , Criança , Adolescente , Adulto Jovem , Adulto , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Prótons , Corpo Ciliar/patologia , Estudos Retrospectivos , Neoplasias Uveais/radioterapia , Neoplasias Uveais/patologia , Melanoma/patologia , Reino Unido
7.
Eye (Lond) ; 37(5): 900-906, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-35941182

RESUMO

The majority of choroidal tumours are diagnosed accurately with clinical examination and the additional data obtained from non-invasive imaging techniques. Choroidal biopsies may be undertaken for diagnostic clarity in cases such as small melanocytic or indeterminate lesions, identifying the primary tumour in the case of choroidal metastases or the subclassification of rarer conditions such as uveal lymphoma. There is however an increasing use of biopsy techniques for prognostication in uveal melanoma. This review explores the main indications and surgical techniques for tumour acquisition, and the optimised approach utilised by the current authors to improve successful yield for histological and genetic analysis.


Assuntos
Neoplasias da Coroide , Melanoma , Neoplasias Uveais , Humanos , Biópsia/métodos , Neoplasias Uveais/diagnóstico , Neoplasias Uveais/patologia , Neoplasias da Coroide/diagnóstico , Neoplasias da Coroide/patologia , Corioide/patologia , Melanoma/diagnóstico , Melanoma/patologia
8.
Cureus ; 14(11): e31821, 2022 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-36579271

RESUMO

Background Plantar heel pain (PHP) can be a common medical complaint among people with both sedentary and active lifestyles due to varied causes. It can affect the quality of life and result in significant disability. Despite many studies on PHP, few have focused on a specific population, such as school teachers. School teachers represent a significant proportion of the population of Medina, and addressing such a complaint and its possible relevant factors, which are most likely to be common among them due to their comparable job duties, will aid us in determining the relationships between personal characteristics, work-related factors, and PHP, as well as in formulating management plans. This study aims to identify the prevalence of PHP and its determinants among school teachers in the Medina region of Saudi Arabia. Methodology This cross-sectional study aims to identify the prevalence of PHP in school teachers. It was conducted in the Medina region of Saudi Arabia. A self-administered, online, validated questionnaire was created and used for data collection. Consent was taken from all participants before answering the questionnaire. Participation was voluntary, and all participants could withdraw from the study at any time. Data were kept confidential and only accessible by the primary investigator, co-investigators, and the statistician; hence, secondary and tertiary blinding was not done. Results Among those who reported PHP, the highest prevalence was among those who did not exercise regularly (94.7%), followed by middle-aged women (64.3%) and those with a high body mass index (44.5%), previous foot problems (43.2%), and chronic medical diseases (41.9%). PHP was less prevalent in male teachers, those with normal body mass index, and those who spent less time standing, had no previous foot problems, and exercised regularly. Most (88.1%) participants with PHP had other musculoskeletal pain, particularly in the lower back (62.6%) and knee (40.1%). Conclusions Teachers can be apprised about the importance of consuming a well-balanced diet and exercising regularly to maintain a healthy weight. We advocate educational programs as they can assist people to understand the need to obtain medical help when they are experiencing pain.

9.
Cureus ; 14(2): e22582, 2022 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-35371821

RESUMO

Nontraumatic splenic rupture and hematoma are rare in sickle cell disease. We present a case of a 22-year-old Saudi male with sickle cell disease. He presented to our hospital with a history of nontraumatic abdominal pain, hemodynamic instability, and abdominal tenderness, with a large mass extending to the umbilicus. A computed tomography (CT) examination showed splenomegaly and a spleen infarction. The patient was admitted to the intensive care unit (ICU) and stabilized. He was transferred to the regular ward and discharged against medical advice (DAMA). Later on, he presented again with persistent abdominal pain. He underwent splenectomy with cholecystectomy. The patient did well postoperatively and was discharged in good condition. While conservative management is common, operative management should be considered in patient with persistent pain. Splenic rupture has a high mortality rate.

10.
R I Med J (2013) ; 105(4): 47-48, 2022 May 02.
Artigo em Inglês | MEDLINE | ID: mdl-35476737

RESUMO

Mitral annular calcification (MAC) is a chronic degenerative condition that is associated with age, chronic kidney disease, diabetes, dyslipidemia, hypertension, and tobacco use. Mobile calcified lesions can be mistaken for endocarditis on trans-thoracic echocardiogram (TTE), creating a unique diagnostic challenge. In this case, we describe a young dialysis patient who presented with dyspnea on exertion with no obvious etiology on initial work-up. TTE was obtained, which showed mobile lesions on the mitral and aortic valves, initially thought to be endocarditis, but later diagnosed as MAC. Trans-esophageal echocardiography (TEE) is a useful modality to differentiate mobile masses on the mitral valve.


Assuntos
Endocardite , Valva Mitral , Ecocardiografia , Ecocardiografia Transesofagiana , Endocardite/diagnóstico por imagem , Endocardite/patologia , Humanos , Valva Mitral/diagnóstico por imagem , Diálise Renal
11.
Plant Biol (Stuttg) ; 24(4): 618-626, 2022 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-35114051

RESUMO

Cadmium (Cd) toxicity reduces growth and yield of crops grown in metal-polluted sites. Research was conducted to estimate the potential of hydrogen sulphide (H2 S) to mitigate toxicity caused by Cd in fenugreek seedlings (Trigonella foenum-graecum L.). Different concentrations of CdCl2 (Cd1-1 mM, Cd2-1.5 mM, Cd3-2mM) and H2 S (HS1-100 µM, HS2-150 µM, HS3-200 µM) were assessed. Seeds of fenugreek were primed with sodium hydrosulphide (NaHS), as H2 S donor. Seedlings growing in Cd-spiked media treated with H2 S were harvested after 2 weeks. Cd stress affected growth of fenugreek seedlings. Cd toxicity decreased leaf relative water content (LRWC), intercellular CO2 concentration, net photosynthesis, stomatal conductance and transpiration. However, application of H2 S significantly improved seedling morphological attributes by increasing the activity of antioxidant enzymes, i.e. APX, CAT and SOD, in Cd-contaminated soil. H2 S treatment also regulated phenolic and flavonoid content. H2 S-induced biosynthesis of spermidine (Spd) and putrescine (Put) could account for the enhancement of growth and physiological performance of fenugreek seedlings under Cd stress. H2 S treatment also reduced H2 O2 production (38%) and electrolyte leakage (EL, 51%) in seedlings grown in different concentrations of Cd. It is recommended to evaluate the efficacy of H2 S in alleviating Cd toxicity in other crop plants.


Assuntos
Sulfeto de Hidrogênio , Trigonella , Antioxidantes/metabolismo , Cádmio/toxicidade , Peróxido de Hidrogênio , Sulfeto de Hidrogênio/farmacologia , Estresse Oxidativo , Poliaminas , Plântula , Trigonella/metabolismo
12.
Open Forum Infect Dis ; 9(1): ofab599, 2022 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-34988259

RESUMO

BACKGROUND: Clinical severity of coronavirus disease 2019 (COVID-19) may vary over time; trends in clinical severity at admission during the pandemic among hospitalized patients in the United States have been incompletely described, so a historical record of severity over time is lacking. METHODS: We classified 466677 hospital admissions for COVID-19 from April 2020 to April 2021 into 4 mutually exclusive severity grades based on indicators present on admission (from most to least severe): Grade 4 included intensive care unit (ICU) admission and invasive mechanical ventilation (IMV); grade 3 included non-IMV ICU and/or noninvasive positive pressure ventilation; grade 2 included diagnosis of acute respiratory failure; and grade 1 included none of the above indicators. Trends were stratified by sex, age, race/ethnicity, and comorbid conditions. We also examined severity in states with high vs low Alpha (B.1.1.7) variant burden. RESULTS: Severity tended to be lower among women, younger adults, and those with fewer comorbidities compared to their counterparts. The proportion of admissions classified as grade 1 or 2 fluctuated over time, but these less-severe grades comprised a majority (75%-85%) of admissions every month. Grades 3 and 4 consistently made up a minority of admissions (15%-25%), and grade 4 showed consistent decreases in all subgroups, including states with high Alpha variant burden. CONCLUSIONS: Clinical severity among hospitalized patients with COVID-19 has varied over time but has not consistently or markedly worsened over time. The proportion of admissions classified as grade 4 decreased in all subgroups. There was no consistent evidence of worsening severity in states with higher vs lower Alpha prevalence.

13.
J Intellect Disabil Res ; 65(6): 535-547, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-33786909

RESUMO

BACKGROUND: The progressive increase in life expectancy of people with intellectual disability (ID) has resulted in enhanced survival into old age and has also seen a growth in research on both lifelong and emerging ageing-related health issues. Health issues amongst provider-supported adults have been previously studied, but these studies have not always included older community-dwelling adults with ID. METHODS: A study examining the extent of mental health of 391 community-dwelling adults with ID age 60 and older in both metropolitan and rural areas of two East Coast Australian states was undertaken using a cross-sectional survey. Examined were a range of demographic (age, sex, living arrangements, employment and socio-economic status) and life (co-morbidities, adverse life events and social support) factors. Data were parsed by two age groupings (60-65: n = 234 and >65: n = 157). RESULTS: Findings revealed that older community-dwelling adults with ID have many of the same mental health disorders as do other ageing people, with the exception of significant psychiatric disorders often associated with older age. Over a third (35%: n = 137) reported some one or more mental health disorders. Age, sex, location (rural or urban), financial hardship, social support or type of living arrangement were not statistically significant as risk factors for poor mental health. However, employment status was a clear predictor. Stepwise regression models showed a strong association between mental ill-health and adverse life events and between mental ill-health and multiple physical co-morbidities. CONCLUSIONS: The cross-sectional nature of the study limits causal inference. The cumulative effect of chronic health conditions and adverse life events cannot be prevented retrospectively. However, greater awareness amongst both health professionals and care staff that older adults with ID have a high likelihood of significant and/or repeated traumas and need better health care to limit physical co-morbidity may assist in providing support that is better tailored to individual needs in older age to reduce the burden of mental ill-health.


Assuntos
Deficiência Intelectual , Transtornos Mentais , Idoso , Austrália/epidemiologia , Estudos Transversais , Humanos , Deficiência Intelectual/epidemiologia , Transtornos Mentais/epidemiologia , Saúde Mental , Pessoa de Meia-Idade , Estudos Retrospectivos
15.
Ir J Psychol Med ; 37(3): 164-168, 2020 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-32434597

RESUMO

The Coronavirus Disease 2019 (COVID-19) pandemic has undoubtedly had a major impact on the provision of physical healthcare in Ireland and worldwide. The mental health impact of this pandemic cannot be underestimated, particularly relating to patients suffering from addiction. Heightened public stress and anxiety levels, increasing isolation and the physical consequences of addiction play a large role in the proliferation and ongoing relapse of substance misuse and behavioural addiction. Service provision is an ongoing challenge not only due to the increasing need for services given the increased mental health burden of COVID-19 but also the restrictions in place in clinical areas to achieve social distancing. The necessary adaptations to service provision provide opportunities for the analysis of current processes used in our addiction unit and the introduction of new processes to our service. The current crisis tests the sustainability of the service to provide the high standard of care required for these patients.


Assuntos
Medicina do Vício/métodos , Comportamento Aditivo/psicologia , Comportamento Aditivo/terapia , Betacoronavirus , Infecções por Coronavirus/psicologia , Pneumonia Viral/psicologia , Psiquiatria/métodos , COVID-19 , Humanos , Irlanda , Pandemias , SARS-CoV-2 , Telemedicina/métodos
16.
Saudi J Med Med Sci ; 8(1): 46-52, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-31929778

RESUMO

BACKGROUND: Hepatitis C virus (HCV) is a major health problem, particularly in high-risk groups such as kidney transplant recipients, where it can adversely affect graft survival and increase the relative risk for mortality. Recently, the role of genetic variation among HCV patients in determining the outcome of infections has been under investigation. OBJECTIVE: To investigate the association of single-nucleotide polymorphisms (SNPs) rs12979860 (located within the interleukin-28B locus), rs2228145 (interleukin-6 receptor) and rs1800795 (interleukin-6 promoter) with HCV viremia in renal transplant patients. MATERIALS AND METHODS: In this analytical cross-sectional study, 149 kidney transplant recipients, 82 males (median age: 41 years) and 67 females (median age: 45 years), were screened for HCV RNA in blood using real-time polymerase chain reaction and genotyped by sequencing (rs12979860) and restriction fragment length polymorphism (rs2228145 and rs1800795). RESULTS: HCV RNA was detected in 17 (11.41%) of the 149 patients. There was no statistically significant association between the studied SNPs and HCV viremia. However, a combination of the CT/AC/GG genotype was significantly associated with HCV viremia (odds ratio: 5.4). The genotype AA of rs2228145 in the IL-6 receptor was associated with viremia levels of >105 copies/ml (odds ratio: 5.96). CONCLUSION: To the best of the authors' knowledge, this is the first study that has shown that the CT/AC/GG genotype has an impact on HCV viremia in kidney transplant patients. Therefore, such SNP genotypes may potentially be used to identify transplant patients at risk of HCV infection.

17.
Anaesthesia ; 75(6): 747-755, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-31792949

RESUMO

Intrathecal morphine is an analgesic option for major hepatopancreaticobiliary procedures but is associated with a risk of respiratory depression. We hypothesised that a postoperative low-dose naloxone infusion would reduce the incidence of respiratory depression without an increase in pain scores. Patients scheduled for major open hepatopancreaticobiliary surgery and who were receiving 10 µg.kg-1 intrathecal morphine were eligible for inclusion. Patients were allocated randomly to receive a postoperative infusion of naloxone 5 µg.kg-1 .h-1 (naloxone group) or saline at an identical infusion rate (control group) until the morning after surgery. Clinicians, nursing staff and patients were blinded to group allocation. The primary outcome measure was the incidence of respiratory depression (respiratory rate < 10 breaths.min-1 and/or oxygen saturation < 90%). Secondary outcome measures included: arterial partial pressure of carbon dioxide; pain score; requirement for supplemental analgesic; and incidence of nausea and vomiting, pruritus and sedation. In total, data from 95 patients (48 in the naloxone group and 47 in the control group) were analysed. The incidence of respiratory depression was lower in the naloxone group compared with the control group (10/48 vs. 21/47 patients, respectively; p = 0.037, relative risk 0.47 (95%CI 0.25-0.87). Maximum pain scores were greater for patients allocated to the naloxone group compared with control (median 5 (95%CI 4-6) vs. 4 (95%CI 2-4), respectively; p < 0.001). A low-dose naloxone infusion decreases the incidence of respiratory depression following intrathecal morphine administration in patients having major hepatopancreaticobiliary surgery at the expense of a small increase in postoperative pain.


Assuntos
Doenças do Sistema Digestório/cirurgia , Morfina/efeitos adversos , Naloxona/uso terapêutico , Dor Pós-Operatória/tratamento farmacológico , Insuficiência Respiratória/induzido quimicamente , Insuficiência Respiratória/prevenção & controle , Adulto , Idoso , Analgésicos Opioides/administração & dosagem , Analgésicos Opioides/efeitos adversos , Analgésicos Opioides/uso terapêutico , Procedimentos Cirúrgicos do Sistema Biliar , Feminino , Humanos , Incidência , Infusões Intravenosas , Injeções Espinhais , Fígado/cirurgia , Masculino , Pessoa de Meia-Idade , Morfina/administração & dosagem , Morfina/uso terapêutico , Naloxona/administração & dosagem , Antagonistas de Entorpecentes/administração & dosagem , Antagonistas de Entorpecentes/uso terapêutico , Adulto Jovem
18.
J Laryngol Otol ; 133(12): 1087-1091, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31791441

RESUMO

BACKGROUND: Early laryngeal cancer treated with definitive radiotherapy or surgery has a high cure rate. This study evaluated the patterns of treatment failure and long-term results of early laryngeal cancers treated with definitive radiotherapy. METHOD: From January 2002 to December 2014, a total of 242 patients with early-stage laryngeal cancers were treated with radical radiotherapy. RESULTS: All patients had squamous cell carcinoma of the larynx (92 per cent male and 8 per cent female). Median follow-up was 4.5 years. The majority of patients were smokers (57.4 per cent). Local failure was seen in 12.5 per cent of stage I patients and 22.8 per cent of stage II patients. The 5-year overall survival and disease specific survival were 84 per cent and 91 per cent, respectively. CONCLUSION: In summary, radiotherapy is a suitable treatment modality for patients with early-stage laryngeal cancer, with an overall locoregional control rate of 84 per cent. Patients who fail radiotherapy may still undergo salvage laryngectomy.


Assuntos
Carcinoma de Células Escamosas/mortalidade , Carcinoma de Células Escamosas/radioterapia , Neoplasias Laríngeas/mortalidade , Neoplasias Laríngeas/radioterapia , Idoso , Carcinoma de Células Escamosas/patologia , Bases de Dados Factuais , Intervalo Livre de Doença , Feminino , Humanos , Neoplasias Laríngeas/patologia , Masculino , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Estudos Prospectivos , Taxa de Sobrevida , Falha de Tratamento
20.
Disaster Med Public Health Prep ; 13(3): 626-638, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-30419972

RESUMO

OBJECTIVES: The US Centers for Disease Control and Prevention (CDC)-funded Preparedness and Emergency Response Research Centers (PERRCs) conducted research from 2008 to 2015 aimed to improve the complex public health emergency preparedness and response (PHEPR) system. This paper summarizes PERRC studies that addressed the development and assessment of criteria for evaluating PHEPR and metrics for measuring their efficiency and effectiveness. METHODS: We reviewed 171 PERRC publications indexed in PubMed between 2009 and 2016. These publications derived from 34 PERRC research projects. We identified publications that addressed the development or assessment of criteria and metrics pertaining to PHEPR systems and describe the evaluation methods used and tools developed, the system domains evaluated, and the metrics developed or assessed. RESULTS: We identified 29 publications from 12 of the 34 PERRC projects that addressed PHEPR system evaluation criteria and metrics. We grouped each study into 1 of 3 system domains, based on the metrics developed or assessed: (1) organizational characteristics (n = 9), (2) emergency response performance (n = 12), and (3) workforce capacity or capability (n = 8). These studies addressed PHEPR system activities including responses to the 2009 H1N1 pandemic and the 2011 tsunami, as well as emergency exercise performance, situational awareness, and workforce willingness to respond. Both PHEPR system process and outcome metrics were developed or assessed by PERRC studies. CONCLUSIONS: PERRC researchers developed and evaluated a range of PHEPR system evaluation criteria and metrics that should be considered by system partners interested in assessing the efficiency and effectiveness of their activities. Nonetheless, the monitoring and measurement problem in PHEPR is far from solved. Lack of standard measures that are readily obtained or computed at local levels remains a challenge for the public health preparedness field. (Disaster Med Public Health Preparedness. 2019;13:626-638).


Assuntos
Benchmarking/métodos , Defesa Civil/normas , Saúde Pública/normas , Benchmarking/tendências , Centers for Disease Control and Prevention, U.S./organização & administração , Centers for Disease Control and Prevention, U.S./estatística & dados numéricos , Defesa Civil/métodos , Defesa Civil/estatística & dados numéricos , Humanos , Avaliação de Programas e Projetos de Saúde/métodos , Saúde Pública/métodos , Saúde Pública/estatística & dados numéricos , Estados Unidos
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