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1.
Malar J ; 23(1): 128, 2024 Apr 30.
Artigo em Inglês | MEDLINE | ID: mdl-38689257

RESUMO

BACKGROUND: Malaria treatment in sub-Saharan Africa is faced with challenges including unreliable supply of efficacious agents, substandard medicines coupled with high price of artemisinin-based combinations. This affects access to effective treatment increasing risk of malaria parasite resistance development and adverse drug events. This study investigated access to quality-assured artemisinin-based combination therapy (QAACT) medicines among clients of selected private drug-outlets in Uganda. METHODS: This was a cross sectional study where exit interviews were conducted among clients of private drug outlets in low and high malaria transmission settings in Uganda. This study adapted the World Health Organization/Health Action International (WHO/HAI) standardized criteria. Data was collected using a validated questionnaire. Data entry screen with checks was created in Epi-data ver 4.2 software and data entered in duplicate. Data was transferred to STATA ver 14.0 and cleaned prior to analysis. The analysis was done at 95% level of significance. RESULTS: A total of 1114 exit interviews were conducted among systematically sampled drug outlet clients. Over half, 54.9% (611/1114) of the participants were males. Majority, 97.2% (1083/1114) purchased an artemisinin-based combination anti-malarial. Most, 55.5% (618/1114) of the participants had a laboratory diagnosis of malaria. Majority, 77.9% (868/1114) of the participants obtained anti-malarial agents without a prescription. Less than a third, 27.7% (309/1114) of the participants obtained a QAACT. Of the participants who obtained QAACT, more than half 56.9% (173/309) reported finding the medicine expensive. The predictors of accessing a QAACT anti-malarial among drug outlet clients include type of drug outlet visited (aPR = 0.74; 95%CI 0.6, 0.91), not obtaining full dose (3-day treatment) of ACT (aPR = 0.49; 95%CI 0.33, 0.73), not finding the ACT expensive (aPR = 1.24; 95%CI 1.03, 1.49), post-primary education (aPR = 1.29; 95%CI 1.07,1.56), business occupation (aPR = 1.24; 95%CI 1.02,1.50) and not having a prescription (aPR = 0.76; 95%CI 0.63, 0.92). CONCLUSION: Less than a third of the private drug outlet clients obtained a QAACT for management of malaria symptoms. Individuals who did not find artemisinin-based combinations to be expensive were more likely to obtain a QAACT anti-malarial. The Ministry of Health needs to conduct regular surveillance to monitor accessibility of QAACT anti-malarial agents under the current private sector copayment mechanism.


Assuntos
Antimaláricos , Artemisininas , Acessibilidade aos Serviços de Saúde , Malária , Uganda , Artemisininas/uso terapêutico , Humanos , Estudos Transversais , Masculino , Feminino , Antimaláricos/uso terapêutico , Adulto , Adulto Jovem , Pessoa de Meia-Idade , Acessibilidade aos Serviços de Saúde/estatística & dados numéricos , Malária/tratamento farmacológico , Adolescente , Quimioterapia Combinada , Inquéritos e Questionários , Idoso
2.
Dev World Bioeth ; 2023 Jan 21.
Artigo em Inglês | MEDLINE | ID: mdl-36680792

RESUMO

The World Health Organisation (WHO) is leading a global effort to deliver improved diagnostic testing to people living in low-resource settings. A reliance on the healthcare technologies marketplace and industry, shapes many aspects of the WHO project, and in this situation normative guidance comes by way of the ASSURED criteria - Affordable, Sensitive, Specific, User-friendly, Rapid and robust, Equipment-free, and Delivered. While generally improving access to diagnostics, I argue that the ASSURED approach to distributive justice - efficiency - and assessment of worth - productivity - may constrain efforts to deliver timely and accurate diagnosis in the developing world equitably by holding back new and innovative diagnostics and indirectly encouraging program and device design that may unfairly discriminate against certain groups. Even as we try to overcome the problem of global healthcare injustice, we may be entrenching disadvantage. I present my critique of ASSURED by 1) referencing Boltanski and Thévenot's theory of orders of worth to highlight the industrial and market foundations of the ASSURED guidelines; 2) comparing ASSURED with other normative guides that elevate the importance of civic responsibility in evaluations of distributive justice; 3) presenting a case study of the failed promise of microfluidic diagnostic devices. I conclude that a new approach to normative guidance is required to assess the value of developing world diagnostics, preferably, one that does not force global public goods into the marketplace.

3.
Anal Biochem ; 654: 114806, 2022 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-35835209

RESUMO

Point-of-care testing (POCT) is an ideal testing format for the rapid and on-site detection of analytes in patients, and facilitates disease diagnosis and monitoring. Molecular recognition elements are required for the specific detection of analytes, and biosensors that use antibodies as the molecular recognition elements are called immunosensors. Traditional immunosensors such as sandwich enzyme-linked immunosorbent assay (ELISA) require complicated procedures to form immunocomplexes consisting of detection antibodies, analytes, and capture antibodies. They also require long incubation times, washing procedures, and large and expensive specialized equipment that must be operated by laboratory technicians. Immunosensors for POCT should be systems that use relatively small pieces of equipment and do not require special training. In this review, to help in the construction of immunosensors for POCT, we have summarized the recently reported strategies for simplifying the operation, incubation, and washing procedures. We focused on the optical and electrochemical detection principles of immunosensors, compared the strategies for operation, sensitivity, and detection devices and discussed the ideal system. Combining detection devices that can be fabricated inexpensively and strategies that enable simplification of operation procedures and enhance sensitivities will contribute to the development of immunosensors for POCT.


Assuntos
Técnicas Biossensoriais , Anticorpos/química , Técnicas Biossensoriais/métodos , Ensaio de Imunoadsorção Enzimática , Humanos , Imunoensaio , Testes Imediatos
4.
Adv Exp Med Biol ; 1384: 297-330, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36217092

RESUMO

Positive airway pressure (PAP) is the primary treatment of sleep-disordered breathing including obstructive sleep apnea, central sleep apnea, and sleep-related hypoventilation. Just as clinicians use pharmacological mechanism of action and pharmacokinetic data to optimize medication therapy for an individual, understanding how PAP works and choosing the right mode and device are critical to optimizing therapy in an individual patient. The first section of this chapter will describe the technology inside PAP devices that is essential for understanding the algorithms used to control the airflow and pressure. The second section will review how different comfort settings including ramp and expiratory pressure relief and modes of PAP therapy including continuous positive airway pressure (CPAP), autotitrating CPAP, bilevel positive airway pressure, adaptive servoventilation, and volume-assured pressure support control the airflow and pressure. Proprietary algorithms from several different manufacturers are described. This chapter derives its descriptions of algorithms from multiple sources including literature review, manufacture publications and websites, patents, and peer-reviewed device comparisons and from personal communication with manufacturer representatives. Clinical considerations related to the technological aspects of the different algorithms and features will be reviewed.


Assuntos
Síndromes da Apneia do Sono , Apneia do Sono Tipo Central , Apneia Obstrutiva do Sono , Humanos , Pressão Positiva Contínua nas Vias Aéreas , Síndromes da Apneia do Sono/terapia , Apneia do Sono Tipo Central/terapia , Apneia Obstrutiva do Sono/terapia
5.
Sensors (Basel) ; 22(18)2022 Sep 17.
Artigo em Inglês | MEDLINE | ID: mdl-36146401

RESUMO

Vehicle tailgating or simply tailgating is a hazardous driving habit. Tailgating occurs when a vehicle moves very close behind another one while not leaving adequate separation distance in case the vehicle in front stops unexpectedly; this separation distance is technically called "Assured Clear Distance Ahead" (ACDA) or Safe Driving Distance. Advancements in Intelligent Transportation Systems (ITS) and the Internet of Vehicles (IoV) have made it of tremendous significance to have an intelligent approach for connected vehicles to avoid tailgating; this paper proposes a new Internet of Vehicles (IoV) based technique that enables connected vehicles to determine ACDA or Safe Driving Distance and Safe Driving Speed to avoid a forward collision. The technique assumes two cases: In the first case, the vehicle has Autonomous Emergency Braking (AEB) system, while in the second case, the vehicle has no AEB. Safe Driving Distance and Safe Driving Speed are calculated under several variables. Experimental results show that Safe Driving Distance and Safe Driving Speed depend on several parameters such as weight of the vehicle, tires status, length of the vehicle, speed of the vehicle, type of road (snowy asphalt, wet asphalt, or dry asphalt or icy road) and the weather condition (clear or foggy). The study found that the technique is effective in calculating Safe Driving Distance, thereby resulting in forward collision avoidance by connected vehicles and maximizing road utilization by dynamically enforcing the minimum required safe separating gap as a function of the current values of the affecting parameters, including the speed of the surrounding vehicles, the road condition, and the weather condition.


Assuntos
Acidentes de Trânsito , Condução de Veículo , Acidentes de Trânsito/prevenção & controle , Hidrocarbonetos , Veículos Automotores , Tempo (Meteorologia)
6.
Sleep Breath ; 25(4): 1843-1850, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-33469734

RESUMO

PURPOSE: Volume-assured pressure support in noninvasive ventilation (VAPS-NIV) is a newer mode providing automatic pressure support adjustment to ensure a constant alveolar ventilation. Previous studies have shown that NIV effectiveness depends on patient adherence and tolerance. The aim of this study was to determine the adherence and efficacy of VAPS-NIV compared to spontaneous-time (S/T) mode in pediatric patients with neuromuscular disease (NMD). METHODS: This was a prospective observational study. Children with NMD who utilized NIV at home for ≥ 3 months were recruited from the Long-term ventilation clinic at The Hospital for Sick Children, Toronto, Canada, from July 1, 2015, to July 1, 2019. Baseline characteristics, date of initiation of NIV, and pulmonary function tests were recorded. Polysomnogram (PSG) data and adherence were recorded and analyzed comparing VAPS and S/T modes. RESULTS: Twenty children with NMD (17 male, 85%) were enrolled. The mean (SD) age at initiation of NIV was 11.6 ± 4.6 years. The median (IQR) duration of ventilation was 1.36 (0.80-2.98) years. The mean average daily usage and the median daily usage for VAPS mode and S/T mode were 8.4 ± 1.6 versus 7.2 ± 2.5 h (p = 0.012) and 8.6 ± 1.4 versus 7.8 ± 2.1 h (p = 0.022), respectively. There was no difference in sleep architecture, gas exchange, or parent proxy report of NIV tolerance between S/T and VAPS modes. CONCLUSION: VAPS was associated with an improvement in adherence to therapy in children with NMD compared to S/T mode. Longitudinal studies are required to evaluate long-term clinical outcomes using VAPS mode in children with NMD.


Assuntos
Doenças Neuromusculares/terapia , Ventilação não Invasiva , Cooperação do Paciente , Adolescente , Criança , Feminino , Humanos , Masculino , Ventilação não Invasiva/métodos , Avaliação de Resultados em Cuidados de Saúde , Estudos Prospectivos
7.
Cardiol Young ; 31(12): 1885-1892, 2021 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-34620264

RESUMO

Ostium secundum atrial septal defects are mostly closed in the cardiac catheterisation laboratories using either Amplatzer® (Abbott Laboratories, IL) atrial septal occluder, Gore® Cardioform septal occluder and more recently using the recently approved (US FDA approval June 2019) Gore® Cardioform atrial septal defect occluder (W. L. Gore & Associates, AZ). Similar to any new device in the market, there is a learning curve to the deployment of this device. We therefore aim to report the key features about this new Gore Cardioform atrial septal defect occluder device with special emphasis on technical aspects that can be employed during transcatheter closure of challenging ostium secundum atrial septal defects using this device.


Assuntos
Forame Oval Patente , Comunicação Interatrial , Dispositivo para Oclusão Septal , Cateterismo Cardíaco , Ecocardiografia Transesofagiana , Comunicação Interatrial/diagnóstico por imagem , Comunicação Interatrial/cirurgia , Humanos , Desenho de Prótese , Dispositivo para Oclusão Septal/efeitos adversos , Fatores de Tempo , Resultado do Tratamento
8.
Radiologe ; 61(2): 126-136, 2021 Feb.
Artigo em Alemão | MEDLINE | ID: mdl-33492420

RESUMO

BACKGROUND: A quality-assured mammography screening programme has been available since 2009, nationwide, to all women in Germany between the ages of 50 and 69. The programme is based on the European Guidelines. In this review article the authors summarize the current status of scientific assessments of this national early detection programme for breast cancer and provide an outlook regarding ongoing studies on effectiveness tests and further development. RESULTS: We expect a decline in mortality rates relating to breast cancer as a result of successfully bringing diagnoses forward and a decrease in advanced breast cancer after a repeated screening. The extent will be shown in the current ZEBra study on mortality evaluation. CONCLUSION: Potential for a further increase in the effectiveness of the systematic early detection of breast cancer can be identified in four areas: (1) More women should take advantage of the early detection opportunities offered by the medical insurance funds; so far, on average, only about 50% of the women between 50 and 69 who are entitled to a screening examination actually take part in the programme. (2) Entitlement to take part in the programme should be extended to women over 70. (3) The further development of digital mammography towards digital breast tomosynthesis promises to reduce the number of false positive recalls while at the same time increasing sensitivity. (4) There should be scientific studies relating to an extension of screening strategies for the small number of women in the entitlement range who have extremly dense breasts.


Assuntos
Neoplasias da Mama , Detecção Precoce de Câncer , Neoplasias da Mama/diagnóstico por imagem , Feminino , Alemanha , Humanos , Mamografia , Avaliação de Programas e Projetos de Saúde , Garantia da Qualidade dos Cuidados de Saúde
9.
Sensors (Basel) ; 21(18)2021 Sep 11.
Artigo em Inglês | MEDLINE | ID: mdl-34577296

RESUMO

Autonomous Cyber-Physical Systems (CPS) must be robust against potential failure modes, including physical degradations and software issues, and are required to self-manage contingency actions for these failures. Physical degradations often have a significant impact on the vehicle dynamics causing irregular behavior that can jeopardize system safety and mission objectives. The paper presents a novel Behavior Tree-based autonomy architecture that includes a Fault Detection and Isolation Learning-Enabled Component (FDI LEC) with an Assurance Monitor (AM) designed based on Inductive Conformal Prediction (ICP) techniques. The architecture implements real-time contingency-management functions using fault detection, isolation and reconfiguration subsystems. To improve scalability and reduce the false-positive rate of the FDI LEC, the decision-making logic provides adjustable thresholds for the desired fault coverage and acceptable risk. The paper presents the system architecture with the integrated FDI LEC, as well as the data collection and training approach for the LEC and the AM. Lastly, we demonstrate the effectiveness of the proposed architecture using a simulated autonomous underwater vehicle (AUV) based on the BlueROV2 platform.


Assuntos
Aprendizagem
10.
Respirology ; 25(4): 372-382, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-31274220

RESUMO

Non-invasive ventilation (NIV) has become the standard of care for patients with a range of respiratory and sleep breathing disorders. Technological advances have enabled the development of several newer modes of automatically adapting NIV suitable for patients with more complex breathing abnormalities that may be difficult to manage effectively with more traditional positive airway pressure therapy. These modes allow for more stable ventilation when fluctuating ventilation requirements occur such as in positional upper airway obstruction or state-related variations in respiratory mechanics and drive. Adaptive servoventilation (ASV) is designed for patients with periodic breathing and central apnoeas in whom carbon dioxide levels are normal to low, with the goal of therapy to dampen and stabilize ventilation. In contrast, volume-assured pressure support is used in diagnostic groups characterized by hypoventilation, where targeting an effective level of ventilation irrespective of sleep stage or body position is required. These newer modes have the potential to simplify and optimize ventilation, although at present there is no evidence that they are clinically superior to standard home ventilation techniques. The complexity and differences in algorithms and features of various device brands, along with a limited evidence base documenting longer term outcomes, complicate decisions around which patient phenotypes are best suited to these newer modes. In-built sensor and data storage capabilities of newer home ventilation devices provide the opportunity for earlier recognition of issues with ventilation and to guide corrective action. Further work is needed to determine how this impacts longer term clinical outcomes.


Assuntos
Ventilação não Invasiva/métodos , Respiração com Pressão Positiva/métodos , Síndromes da Apneia do Sono/terapia , Humanos , Respiração , Tecnologia
11.
Sensors (Basel) ; 20(23)2020 Nov 28.
Artigo em Inglês | MEDLINE | ID: mdl-33260648

RESUMO

Contamination by pesticides in the food chain and the environment is a worldwide problem that needs to be actively monitored to ensure safety. Unfortunately, standard pesticide analysis based on mass spectrometry takes a lot of time, money and effort. Thus, simple, reliable, cost-effective and field applicable methods for pesticide detection have been actively developed. One of the most promising technologies is an aptamer-based biosensor or so-called aptasensor. It utilizes aptamers, short single-stranded DNAs or RNAs, as pesticide recognition elements to integrate with various innovative biosensing technologies for specific and sensitive detection of pesticide residues. Several platforms for aptasensors have been dynamically established, such as colorimetry, fluorometry, electrochemistry, electrochemiluminescence (ECL) and so forth. Each platform has both advantages and disadvantages depending on the purpose of use and readiness of technology. For example, colorimetric-based aptasensors are more affordable than others because of the simplicity of fabrication and resource requirements. Electrochemical-based aptasensors have mainly shown better sensitivity than others with exceedingly low detection limits. This paper critically reviews the progression of pesticide aptasensors throughout the development process, including the selection, characterization and modification of aptamers, the conceptual frameworks of integrating aptamers and biosensors, the ASSURED (affordable, sensitive, specific, user-friendly, rapid and robust, equipment-free and deliverable to end users) criteria of different platforms and the future outlook.


Assuntos
Aptâmeros de Nucleotídeos , Técnicas Biossensoriais , Praguicidas , Colorimetria , DNA de Cadeia Simples
12.
Unfallchirurg ; 121(5): 423-428, 2018 May.
Artigo em Alemão | MEDLINE | ID: mdl-29654513

RESUMO

The 2017 update of the German guidelines on hemotherapy is highly associated with the drug legislation and guidelines and thus necessitated a new structure of the contents. These guidelines reflect the state of the art for collection and application of blood and blood components corresponding to the Transfusion Act and is therefore the main document in hemotherapy. Topics of high interest in this 2017 update related to application of blood products are clarification and consent of patients, obligation for documentation, information, reporting and notification reports in the case of transfusion reactions and detailed description of quality management and quality assurance, as well as task description of persons responsible for the organization or implementation of transfusion-associated workflows. Surveillance, collating and management of errors are important prerequisites for the continuous optimization of patient safety. Patient blood management (PBM) as a requirement for the efficient use of blood products and the controlled and economical usage of autologous hemotherapy procedures (e. g. mechanical autotransfusion, MAT) are measures to reduce the need for blood products. All medical specialist societies, which carry out hemotherapy and participate in the standing committee of the Federal Medical Council (BÄK) to revise the hemotherapy guidelines have to take care that the guidelines are understandable for medical doctors and the transfusion team. Additionally, the core principles of hemotherapy have to be described in a clear and distinct manner.


Assuntos
Transfusão de Componentes Sanguíneos , Garantia da Qualidade dos Cuidados de Saúde , Transfusão de Componentes Sanguíneos/normas , Transfusão de Sangue , Humanos , Sociedades Médicas
13.
Malar J ; 16(1): 202, 2017 04 24.
Artigo em Inglês | MEDLINE | ID: mdl-28521811

RESUMO

BACKGROUND: Understanding the key characteristics of malaria testing and treatment is essential to the control of a disease that continues to pose a major risk of morbidity and mortality in mainland Tanzania, with evidence of a resurgence of the disease in recent years. The introduction of artemisinin combination therapy (ACT) as the first-line treatment for malaria, alongside policies to promote rational case management following testing, highlights the need for evidence of anti-malarial and testing markets in the country. The results of the most recent mainland Tanzania ACTwatch outlet survey are presented here, including data on the availability, market share and price of anti-malarials and malaria diagnosis in 2016. METHODS: A nationally-representative malaria outlet survey was conducted between 18th May and 2nd July, 2016. A census of public and private outlets with potential to distribute malaria testing and/or treatment was conducted among a representative sample of administrative units. An audit was completed for all anti-malarials, malaria rapid (RDT) diagnostic tests and microscopy. RESULTS: A total of 5867 outlets were included in the nationally representative survey, across both public and private sectors. In the public sector, availability of malaria testing was 92.3% and quality-assured (QA) ACT was 89.1% among all screened outlets. Sulfadoxine-pyrimethamine (SP) was stocked by 51.8% of the public sector and injectable artesunate was found in 71.4% of all screened public health facilities. Among anti-malarial private-sector stockists, availability of testing was 15.7, and 65.1% had QA ACT available. The public sector accounted for 83.4% of the total market share for malaria diagnostics. The private sector accounted for 63.9% of the total anti-malarial market, and anti-malarials were most commonly distributed through accredited drug dispensing outlets (ADDOs) (39.0%), duka la dawa baridi (DLDBs) (13.3%) and pharmacies (6.7%). QA ACT comprised 33.1% of the national market share (12.2% public sector and 20.9% private sector). SP accounted for 53.3% of the total market for anti-malarials across both private and public sectors (31.3 and 22.0% of the total market, respectively). The median price per adult equivalent treatment dose (AETD) of QA ACT in the private sector was $1.40, almost 1.5 times more expensive than the median price per AETD of SP ($1.05). In the private sector, 79.3% of providers perceived ACT to be the most effective treatment for uncomplicated malaria for adults and 88.4% perceived this for children. CONCLUSIONS: While public sector preparedness for appropriate malaria testing and case management is showing encouraging signs, QA ACT availability and market share in the private sector continues to be sub-optimal for most outlet types. Furthermore, it is concerning that SP continues to predominate in the anti-malarial market. The reasons for this remain unclear, but are likely to be in part related to price, availability and provider knowledge or preferences. Continued efforts to implement government policy around malaria diagnosis and case management should be encouraged.


Assuntos
Antimaláricos/uso terapêutico , Artemisininas/uso terapêutico , Testes Diagnósticos de Rotina/estatística & dados numéricos , Malária/diagnóstico , Malária/tratamento farmacológico , Comércio/estatística & dados numéricos , Combinação de Medicamentos , Acessibilidade aos Serviços de Saúde/estatística & dados numéricos , Humanos , Setor Privado/estatística & dados numéricos , Setor Público/estatística & dados numéricos , Tanzânia
14.
Sleep Breath ; 21(2): 513-519, 2017 May.
Artigo em Inglês | MEDLINE | ID: mdl-28190166

RESUMO

PURPOSE: Congenital central hypoventilation syndrome (CCHS) is characterized by ventilatory insensitivity to hypercapnia and hypoxemia during sleep and/or wakefulness. Management of CCHS includes a long-term ventilation. However, ventilation can be challenging given differences in the control of breathing during different sleep stages. Intelligent volume-assured pressure support (iVAPS) is a mode of Bi-level positive airway pressure (BPAP) ventilation in which the pressure support is modulated to ensure a constant alveolar ventilation. The aim of this study was to determine if BPAP with iVAPS mode is more effective at controlling hypercapnia than BPAP with spontaneous/timed (S/T) mode. METHODS: A retrospective chart review of CCHS patients who underwent both a titration polysomnogram (PSG) with standard BPAP S/T mode and a consecutive follow-up study with BPAP iVAPS mode at The Hospital for Sick Children, Toronto, Canada, between January 1, 2013 and September 30, 2015 were included. Comparisons were made between S/T mode and iVAPS mode. RESULTS: Eight (four males) children with CCHS were included. The median (IQR) age at the time of PSG using Bi-level ventilation with S/T mode for study participants was 10.0 (IQR 8.4, 11.6) years followed by PSGs with iVAPS mode, median age 10.6 (IQR 9.1, 12.5) years. The non-rapid eye movement (NREM) peak transcutaneous CO2 (tcCO2) median (IQR) for iVAPS was 43.0 (40.0-46.0-) mmHg versus 46.5 (45.0-48.0) mmHg for S/T mode, (p value <0.05). CONCLUSION: iVAPS was associated with a reduction in the maximum tcCO2 during NREM sleep as compared to traditional S/T mode. Prospective, longitudinal studies are needed to evaluate the benefits of BPAP therapy iVAPS mode for the treatment of pediatric CCHS.


Assuntos
Pressão Positiva Contínua nas Vias Aéreas/instrumentação , Hipoventilação/congênito , Apneia do Sono Tipo Central/terapia , Terapia Assistida por Computador/instrumentação , Criança , Pré-Escolar , Feminino , Humanos , Hipoventilação/diagnóstico , Hipoventilação/terapia , Lactente , Masculino , Polissonografia , Estudos Retrospectivos , Apneia do Sono Tipo Central/diagnóstico , Resultado do Tratamento
15.
J Adv Nurs ; 71(4): 825-36, 2015 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-25430563

RESUMO

AIM: The aim of this study was to analyse the explanatory power of variables measuring health-strengthening factors for self-rated health among community-living frail older people. BACKGROUND: Frailty is commonly constructed as a multi-dimensional geriatric syndrome ascribed to the multi-system deterioration of the reserve capacity in older age. Frailty in older people is associated with decreased physical and psychological well-being. However, knowledge about the experiences of health in frail older people is still limited. DESIGN: The design of the study was cross-sectional. METHOD: The data were collected between October 2008 and November 2010 through face-to-face structured interviews with older people aged 65-96 years (N = 161). Binary logistic regression was used to analyse whether a set of explanatory relevant variables is associated with self-rated health. RESULTS: The results from the final model showed that satisfaction with one's ability to take care of oneself, having 10 or fewer symptoms and not feeling lonely had the best explanatory power for community-living frail older peoples' experiences of good health. CONCLUSION: The results indicate that a multi-disciplinary approach is desirable, where the focus should not only be on medical problems but also on providing supportive services to older people to maintain their independence and experiences of health despite frailty.


Assuntos
Idoso Fragilizado/estatística & dados numéricos , Avaliação Geriátrica/estatística & dados numéricos , Nível de Saúde , Vida Independente/estatística & dados numéricos , Satisfação do Paciente/estatística & dados numéricos , Autocuidado/psicologia , Idoso , Idoso de 80 Anos ou mais , Estudos Transversais , Feminino , Habitação para Idosos/estatística & dados numéricos , Humanos , Modelos Logísticos , Masculino , Autorrelato
16.
Respirology ; 19(4): 596-603, 2014 May.
Artigo em Inglês | MEDLINE | ID: mdl-24661390

RESUMO

BACKGROUND AND OBJECTIVE: Effective non-invasive ventilation (NIV) therapy is dependent on optimal ventilator settings to maximize clinical benefit and patient tolerance. Intelligent volume-assured pressure support (iVAPS) is a hybrid mode of servoventilation, providing constant automatic adjustment of pressure support (PS) to achieve a target ventilation determined by the patient's requirements. In a randomized crossover trial, we tested the hypothesis that iVAPS, with automated selection of ventilator settings, was non-inferior to standard PS ventilation, with settings determined by an experienced health-care professional, for controlling nocturnal hypoventilation in patients naive to NIV. METHODS: Eighteen patients referred to a ventilator clinic with chronic obstructive or restrictive lung disease and newly diagnosed nocturnal hypoventilation (10 male, median (interquartile range): age 54(41-61) years, mean daytime PaO2 9.25(8.59-10.31) kPa, -PaCO2 6.38(5.93-6.65) kPa were randomized to iVAPS and standard PS. Polysomnography with transcutaneous CO2 monitoring was performed at baseline and 1 month after each treatment period. Nightly hours of therapy were recorded by the ventilator. RESULTS: iVAPS delivered a lower median PS compared with standard PS (8.3(5.6-10.4) vs 10.0(9.0-11.4) cmH2 O; P = 0.001) for the same ventilatory outcome (mean overnight: SpO2 96(95-98) vs 96(93-97)%; P = 0.13 and PtcCO2 6.5(5.8-6.8) vs 6.2(5.8-6.9); P = 0.54). There was no difference in outcome between ventilator modes for spirometry, respiratory muscle strength, sleep quality, arousals or O2 desaturation index. Adherence was greater with iVAPS (5:40(4:42-6:49) vs 4:20(2:27-6:17) hh:mm/night; P = 0.004). CONCLUSIONS: iVAPS servoventilation with automation of ventilation settings is as effective as PS ventilation initiated by a skilled health-care professional in controlling nocturnal hypoventilation and produced better overnight adherence in patients naive to NIV.


Assuntos
Ventilação não Invasiva , Cooperação do Paciente/psicologia , Doença Pulmonar Obstrutiva Crônica/terapia , Insuficiência Respiratória/terapia , Síndromes da Apneia do Sono , Feminino , Humanos , Suporte Ventilatório Interativo/instrumentação , Suporte Ventilatório Interativo/métodos , Suporte Ventilatório Interativo/psicologia , Masculino , Pessoa de Meia-Idade , Ventilação não Invasiva/instrumentação , Ventilação não Invasiva/métodos , Ventilação não Invasiva/psicologia , Polissonografia/métodos , Respiração com Pressão Positiva/métodos , Doença Pulmonar Obstrutiva Crônica/complicações , Doença Pulmonar Obstrutiva Crônica/diagnóstico , Doença Pulmonar Obstrutiva Crônica/fisiopatologia , Respiração , Insuficiência Respiratória/complicações , Insuficiência Respiratória/diagnóstico , Insuficiência Respiratória/fisiopatologia , Síndromes da Apneia do Sono/diagnóstico , Síndromes da Apneia do Sono/etiologia , Síndromes da Apneia do Sono/fisiopatologia , Síndromes da Apneia do Sono/prevenção & controle , Resultado do Tratamento , Ventiladores Mecânicos/normas
17.
COPD ; 11(3): 359-60, 2014 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-24832763

RESUMO

Method to improve minute ventilation (MV) during spontaneous breathing (SB) in stable severe chronic obstructive pulmonary disease (COPD) have a great clinical relevant in long term outcome. In this scenario, recommendations of early use of high-Intensity non-invasive Positive pressure Ventilation (HI-NPPV) or intelligent Volume Assured Pressure (iVAP) Support in Hypercapnic COPD have been proposed by safe therapeutics options. We analyze in this letter, Ekkernkamp et al. study that described the effect of HI-NPPV compared with SB on MV in patients receiving long-term treatment. We consider that interpretation of relationships between ABG, functional parameters, and respiratory mechanics reported need clarifications. Further prospective large clinical trials identifying the best mode of ventilation according to the characteristics in severe stable COPD are necessary to balance an effective approach and response on clinical symptoms and long-term effects.


Assuntos
Hipercapnia/fisiopatologia , Pulmão/fisiopatologia , Doença Pulmonar Obstrutiva Crônica/fisiopatologia , Ventilação Pulmonar/fisiologia , Respiração , Humanos
18.
Respirol Case Rep ; 12(1): e01269, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38074920

RESUMO

Average volume-assured pressure support (AVAPS) mode has been available since 2009 and allows the ventilator to deliver a constant pre-set tidal volume by automatically adjusting the inspiratory pressures within a set range. Data in AVAPS mode use is limited in both paediatric populations, and in patients who are ventilated through a tracheostomy. This case series reports on the successful use of AVAPS mode in four paediatric patients with tracheostomy ventilation.

19.
Geriatr Nurs ; 34(4): 289-94, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23669314

RESUMO

The aim of this study was to explore and identify influences on frail older adults' experience of health. A sample of older adults, 11 men and 11 women aged 67-92, with diverse ratings of self-perceived health ranging from poor to excellent were selected through a purposeful strategic sampling of frail older adults taken from a broader sample from a quantitative study on health. In total, 22 individual qualitative interviews were analyzed using qualitative content analysis in which themes were developed from raw data through a systematic reading, categorization of selected text, theme development and interpretation. To feel assured and capable was the main theme, which consisted of five subthemes: managing the unpredictable body, reinforcing a positive outlook, remaining in familiar surroundings, managing everyday life, and having a sense of belonging and connection to the whole. The importance of supporting frail older adults in subjective resilience in their context is emphasized.


Assuntos
Idoso Fragilizado , Nível de Saúde , Idoso , Idoso de 80 Anos ou mais , Humanos
20.
Clin Lab Med ; 43(2): 189-207, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-37169442

RESUMO

Point-of-care testing for sexually transmitted infections is essential for controlling transmission and preventing sequelae in high-risk populations. Since the World Health Organization published the ASSURED criteria, point-of-care testing has improved for use in large population screening and rapid testing that prevents loss of clinical follow-up. Recent advancements have been advantageous for low-resource areas allowing testing at a minimal cost without reliable electricity or refrigeration. Point-of-care nucleic acid detection and amplification techniques are recommended, but are often inaccessible in low-resource areas. Future advancements in point-of-care diagnostic testing should focus on improving antibody-based assays, monitoring viral loads, and detecting antimicrobial resistance.


Assuntos
Infecções por HIV , Infecções Sexualmente Transmissíveis , Humanos , Infecções Sexualmente Transmissíveis/diagnóstico , Infecções Sexualmente Transmissíveis/epidemiologia , Infecções Sexualmente Transmissíveis/prevenção & controle , Testes Imediatos , Sistemas Automatizados de Assistência Junto ao Leito , Infecções por HIV/diagnóstico , Infecções por HIV/epidemiologia
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