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1.
Rev. enferm. UERJ ; 32: e79207, jan. -dez. 2024.
Artículo en Inglés, Español, Portugués | LILACS-Express | LILACS | ID: biblio-1563243

RESUMEN

Objetivo: avaliar pontuação da National Early Warning Score (NEWS) em relação ao tipo de desfecho e perfil dos pacientes da enfermaria clínica médica de um hospital em Teresina, Piauí, Brasil. Método: estudo quantitativo realizado num hospital público, em Teresina, com 150 prontuários de pacientes internados no setor clínica médica de fevereiro de 2022 a dezembro de 2022, a partir de registros demográficos, clínicos e valores da escala na admissão e desfecho. Resultados: houve associação dos valores da escala com a faixa etária (p=0,029), tempo de internação (p=0,023) e tipo de desfecho (p < 0,001). Alto risco clínico prevaleceu entre pacientes do sexo masculino (13%), na faixa etária de 60 a 94 anos (13%), com permanência de 21 a 57 dias (19,2%) e óbito como desfecho (100%). Conclusão: implementação da referida escala evidenciou ser fundamental para prever agravos clínicos e melhorar qualidade da assistência.


Objective: to evaluate the National Early Warning Score (NEWS) in relation to the type of outcome and profile of patients in the medical clinical ward of a hospital in Teresina, Piauí, Brazil. Method: a quantitative study conducted in a public hospital in Teresina, with 150 medical records of patients admitted to the medical clinic sector from February 2022 to December 2022, based on demographic and clinical records and scale values at admission and outcome. Results: there was an association between the scale values and the age group (p=0.029), length of stay (p=0.023) and type of outcome (p < 0.001). High clinical risk prevailed among male patients (13%), aged between 60 and 94 years (13%), with a stay of 21 to 57 days (19.2%), and death as an outcome (100%). Conclusion: implementation of the aforementioned scale proved to be fundamental for predicting clinical problems and improving care quality.


Objetivo: evaluar el puntaje de la National Early Warning Score (NEWS) con respecto al tipo de desenlace y el perfil de los pacientes de la enfermería clínica médica de un hospital en Teresina, Piauí, Brasil. Método: estudio cuantitativo realizado en un hospital público en Teresina, con 150 historiales médicos de pacientes internados en el sector de clínica médica desde febrero de 2022 hasta diciembre de 2022, a partir de registros demográficos, clínicos y valores de la escala en la admisión y desenlace. Resultados: hubo asociación de los valores de la escala con la edad (p=0,029), tiempo de internación (p=0,023) y tipo de desenlace (p < 0,001). El alto riesgo clínico prevaleció entre los pacientes del sexo masculino (13%), en la franja de edad entre 60 y 94 años (13%), con una estancia de 21 a 57 días (19,2%) y fallecimiento como desenlace (100%). Conclusión: la implementación de dicha escala demostró ser fundamental para prever agravios clínicos y mejorar la calidad de la asistencia.

2.
J Neurooncol ; 2024 Sep 02.
Artículo en Inglés | MEDLINE | ID: mdl-39222188

RESUMEN

PURPOSE: This observational study aims to provide a detailed clinical and imaging characterization/workup of acute intracerebral hemorrhage (ICH) due to either an underlying metastasis (mICH) or brain tumor (tICH) lesion. METHODS: We conducted a retrospective, single-center study, evaluating patients presenting with occult ICH on initial CT imaging, classified as tICH or mICH on follow-up MRI imaging according to the H-Atomic classification. Demographic, clinical and radiological data were reviewed. RESULTS: We included 116 patients (tICH: 20/116, 17.24%; mICH: 96/116, 82.76%). The most common malignancies causing ICH were lung cancer (27.59%), malignant melanoma (18.10%) and glioblastoma (10.34%). The three most common stroke-like symptoms observed were focal deficit (62/116, 53.45%), dizziness (42/116, 36.21%) and cognitive impairment (27/116, 23.28%). Highest mICH prevalence was seen in the occipital lobe (mICH: 28.13%, tICH: 0.00%; p = 0.004) with tICH more in the corpus callosum (tICH: 10.00%, mICH: 0.00%; p = 0.029). Anticoagulation therapy was only frequent in mICH patients (tICH: 0.00%, mICH: 5.21%; p = 0.586). Hemorrhage (tICH: 12682 mm3, mICH: 5708 mm3, p = 0.020) and edema volumes (tICH: 49389 mm3, mICH: 20972 mm3, p = 0.035) were significantly larger within tICH patients. CONCLUSION: More than half of the patients with neoplastic ICH exhibited stroke-like symptoms. Lung cancer was most common in mICH, glioblastoma in tICH. While clinical presentations were similar, significant differences in tumor location and treatments were discernible.

4.
Emerg Nurse ; 2024 Aug 28.
Artículo en Inglés | MEDLINE | ID: mdl-39206503

RESUMEN

Dog bites account for 250,000 attendances for urgent and emergency care each year. They pose risks including infections with potentially life-threatening complications. This article scrutinises the evidence underpinning the use of prophylactic antibiotics in dog bite wounds. A focused literature review involving four databases specialising in peer-reviewed healthcare literature was conducted to identify the highest quality evidence, which was then systematically appraised. The use of antibiotics in treating dog bite wounds to reduce the risk of infection is largely supported by the evidence. However, significant limitations exist in the research, with patient-specific criteria for administering prophylactic antibiotics and the associated risks and financial costs not addressed. Further research into antibiotic treatment for dog bites would help to support clinicians, nurse practitioners and the wider nursing and allied health professional team in urgent and emergency care by informing safe practice and in turn improving patient care, cost-effectiveness and antimicrobial stewardship.

5.
West J Nurs Res ; : 1939459241274275, 2024 Aug 29.
Artículo en Inglés | MEDLINE | ID: mdl-39206689

RESUMEN

OBJECTIVE: Most individuals with lower extremity peripheral artery disease (PAD) experience symptoms other than claudication and live with undiagnosed PAD yet no tools exist to detect atypical PAD symptoms. The purpose of this study was to identify discriminating PAD symptom descriptors from a community-based sample of patients with no current diagnosis of PAD. METHODS: Symptoms descriptors were obtained in a sample of 22 participants with persistent lower extremity symptoms pre/post exercise. An ankle brachial index with exercise was used to classify participants as "PAD" or "No PAD." RESULTS: Thirteen (59%) participants had a positive ankle brachial index (<0.9, ≥20% drop postexercise, or 30 mmHg drop postexercise). Symptoms do not disappear while walking, trouble keeping up with friends/family, positive response to pain or discomfort while sitting, and pain outside of the calves and thighs were associated with a positive ankle brachial index. CONCLUSION: Atypical symptoms were common among study participants. Symptoms while sitting and symptoms outside of the calf and thigh were negatively associated with a positive ankle brachial index. More precise descriptions of symptom characteristics are needed to improve PAD symptom recognition.

6.
Complement Ther Med ; 85: 103078, 2024 Aug 28.
Artículo en Inglés | MEDLINE | ID: mdl-39209008

RESUMEN

OBJECTIVES: This work aimed to evaluate the effect of music-based intervention (MBI) on anxiety and stress-related vital signs (heart rate, respiratory rate and blood pressure) in patients undergoing cardiac catheterization. DESIGN: A systematic review and meta-analysis. METHODS: This systematic review and meta-analysis was conducted according to PRISMA guidelines. PubMed, Cochrane Library, Embase and CINAHL were systematically searched from inception to October 31, 2023. Two authors independently searched electronic databases, selected literature, extracted data and assessed the risk of bias according to the eligibility criteria. The Review Manager software (RevMan version 5.4.1) was used to perform meta-analysis. RESULTS: Eleven randomized controlled trials (RCTs) with adult patients (n = 1204) (passive music therapy, 8 studies; passive music listening, 3 studies) were enrolled and brought into qualitative assessment. Nine of these RCTs (n = 868) were taken into quantitative analysis. Meta-analysis using the random-effects model revealed that the difference in the pre-post anxiety level in the music group was significantly greater than that in the control group. However, meta-analysis results for heart rate, respiratory rate, systolic blood pressure and diastolic blood pressure did not show significant differences. CONCLUSION: The findings suggested that MBI had a significant effect on reducing anxiety in patients undergoing cardiac catheterization. However, the limited quantity and quality of included studies highlight the need for additional research to comprehensively analyze the influence of MBI on anxiety reduction in this patient population.

7.
Artículo en Inglés | MEDLINE | ID: mdl-39209268

RESUMEN

BACKGROUND: Overdiagnosis of urinary tract infections (UTIs) is one of the most common reasons for the unnecessary use of antibiotics in nursing homes, increasing the risk of missing serious conditions. Various decision tools and algorithms aim to aid in UTI diagnosis and the initiation of antibiotic therapy for residents. However, due to the lack of a clear gold standard, these tools vary widely and can be complex, with some requiring urine testing. As part of the European-funded IMAGINE project, aimed at improving antibiotic use for UTIs in nursing home residents, we have reviewed the recommendations. OBJECTIVES: This review provides a comprehensive summary of the more relevant tools and algorithms aimed at identifying true UTIs among residents living in nursing homes and discusses the challenges in using these algorithms based on updated research. SOURCES: The discussion is based on a relevant medical literature search and synthesis of the findings and published tools to provide an overview of the current state of improving the diagnosis of UTIs in nursing homes. CONTENT: The following topics are covered: prevalence of asymptomatic bacteriuria, diagnostic challenges, clinical criteria, urinary testing, and algorithms to be implemented in nursing home facilities. IMPLICATIONS: Diagnosing UTIs in residents is challenging due to the high prevalence of asymptomatic bacteriuria and non-specific urinary tract signs and symptoms among those with suspected UTIs. The fear of missing a UTI and the perceived antibiotic demands from residents and relatives might lead to overdiagnosis of this common condition. Despite their widespread use, urine dipsticks should not be recommended for geriatric patients. Patients who do not meet the minimum diagnostic criteria for UTIs should be evaluated for alternative conditions. Adherence to a simple algorithm can prevent unnecessary antibiotic courses without compromising resident safety.

8.
J Clin Monit Comput ; 2024 Aug 19.
Artículo en Inglés | MEDLINE | ID: mdl-39158782

RESUMEN

Multiple studies and review papers have concluded that early warning systems have a positive effect on clinical outcomes, patient safety and clinical performances. Despite the substantial evidence affirming the efficacy of EWS applications, persistent barriers hinder their seamless integration into clinical practice. Notably, EWS, such as the National Early Warning Score, simplify multifaceted clinical conditions into singular numerical indices, thereby risking the oversight of critical clinical indicators and nuanced fluctuations in patients' health status. Furthermore, the optimal deployment of EWS within clinical contexts remains elusive. Manual assessment of EWS parameters exacts a significant temporal toll on healthcare personnel. Addressing these impediments necessitates innovative approaches. In this regard, wearable medical technologies emerge as promising solutions capable of continual monitoring of hospitalized patients' vital signs. To overcome the barriers of the use of early warning scores, wearable medical technology has the potential to continuously monitor vital signs of hospitalised patients. However, a fundamental inquiry arises regarding the comparability of their reliability to the current used golden standards. This inquiry underscores the imperative for rigorous evaluation and validation of wearable medical technologies to ascertain their efficacy in augmenting extant clinical practices. This prospective, single-center study aimed to evaluate the accuracy of heart rate and respiratory rate measurements obtained from the Vivalink Cardiac patch in comparison to the ECG-based monitoring system utilized at AZ Maria Middelares Hospital in Ghent. Specifically, the study focused on assessing the concordance between the data obtained from the Vivalink Cardiac patch and the established ECG-based monitoring system among a cohort of ten post-surgical intensive care unit (ICU) patients. Of these patients, five were undergoing mechanical ventilation post-surgery, while the remaining five were not. The study proceeded by initially comparing the data recorded by the Vivalink Cardiac patch with that of the ECG-based monitoring system. Subsequently, the data obtained from both the Vivalink Cardiac patch and the ECG-based monitoring system were juxtaposed with the information derived from the ventilation machine, thereby providing a comprehensive analysis of the patch's performance in monitoring vital signs within the ICU setting. For heart rate, the Vivalink Cardiac patch was on average within a 5% error range of the ECG-based monitoring system during 85.11±10.81% of the measured time. For respiratory rate this was during 40.55±17.28% of the measured time. Spearman's correlation coefficient showed a very high correlation of ρ = 0.9 8 for heart rate and a moderate correlation of ρ = 0.66 for respiratory rate. In comparison with the ventilated respiratory rate (ventilation machine) the Vivalink and ECG-based monitoring system both had a moderate correlation of ρ = 0.68 . A very high correlation was found between the heart rate measured by the Vivalink Cardiac patch and that of the ECG-based monitoring system of the hospital. Concerning respiratory rate the correlation between the data from the Vivalink Cardiac patch, the ECG-based monitoring system and the ventilation machine was found to be moderate.

9.
Artículo en Inglés | MEDLINE | ID: mdl-39126268

RESUMEN

PURPOSE: Establishing the diagnosis of loosening in total or unicondylar knee arthroplasty remains a challenge with different clinical and radiological signs evaluated in study designs with high risk of bias, where few or incomplete criteria are formulated for establishing the diagnosis of implant loosening. This study aimed at evaluating the variability between different clinical and radiological criteria and establish a consensus regarding clinical and radiological criteria for the diagnosis of knee arthroplasty loosening. METHODS: Highly specialized knee surgeons focusing on revision arthroplasty were invited to take part in an international panel for a Delphi consensus study. In the first round, the participants were asked to state their most important clinical and radiological criteria for implant loosening. In a second round, the panel's agreement with the collected criteria was rated on a 5-point Likert scale (1-5). High variability was defined by receiving at least one score each indicating complete disagreement and complete agreement. Consensus was established when over 70% of participants rated a criterion as 'fully agree' (5) or 'mostly agree' (4). RESULTS: High variability was observed in 56% of clinical criteria and 38% of radiological criteria. A consensus was reached on one clinical (weight-bearing pain [82%]) and four radiological criteria, that is, implant migration, progressive radiolucencies, subsidence and radiolucencies >2 mm on X-ray or computed tomography (CT) (84%-100%). CONCLUSION: Amongst specialized knee revision surgeons, there is high variability in clinical and radiological criteria that are seen as important contributing factors to diagnosis of knee implant loosening. A consensus was reached on weight-bearing pain as clinical criterion and on implant migration, progressive radiolucencies, subsidence and radiolucencies of more than 2 mm on X-ray or CT as radiological criteria. The variability rates observed, along with the criteria that reached consensus, offer important insights for the standardization of diagnostic protocols. LEVEL OF EVIDENCE: Level V.

10.
Methods Mol Biol ; 2838: 17-64, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39126622

RESUMEN

Epizootic hemorrhagic disease virus (EHDV) is an arthropod-borne RNA virus in the genus Orbivirus, family Sedoreoviridae. Globally, seven known EHDV serotypes circulate among ruminant hosts and Culicoides species vectors. A variety of domestic and wild ruminant species are susceptible to EHDV infection, but infection outcome is highly variable between species, as well as between individuals of the same species. Thus, this disease system inherently operates at the wildlife-livestock interface. Domestic cattle are important hosts for EHDV, and while inapparent infection is the most common outcome, reports of clinical disease have increased in some parts of the world. However, fatal infection of cattle is rare. Among wildlife, white-tailed deer (Odocoileus virginianus) are highly susceptible to severe and often fatal disease. Considering the paucity of data and poorly characterized pathology of EHD in cattle, white-tailed deer represent a case study for describing the field signs and necropsy lesions associated with EHD. Here we describe the field signs that commonly define EHD outbreaks in North America, a basic approach to a gross necropsy examination of white-tailed deer, description of the gross lesions that may be present, and diagnostic sample collection. Field investigations of large-scale EHD outbreaks are common in North America. The necropsy examination is an essential tool in the study of disease and when coupled with other disciplines (e.g., virology, immunology, epidemiology) has been fundamentally important to understanding EHD in North America.


Asunto(s)
Ciervos , Virus de la Enfermedad Hemorrágica Epizoótica , Infecciones por Reoviridae , Animales , Virus de la Enfermedad Hemorrágica Epizoótica/genética , Infecciones por Reoviridae/veterinaria , Infecciones por Reoviridae/virología , Ciervos/virología , Autopsia/veterinaria , Bovinos , Animales Salvajes/virología
12.
Vet Rec ; 195(4): e4533, 2024 Aug 17.
Artículo en Inglés | MEDLINE | ID: mdl-39148262

RESUMEN

BACKGROUND: The bluetongue virus serotype 3 (BTV-3) outbreak in the Netherlands in 2023 caused severe clinical signs in ruminants. The clinical and pathological signs in ruminants and their spread during the outbreak in 2023 are described. METHODS: Data from the Dutch monitoring and surveillance system were available to describe clinical signs and pathological findings related to BTV-3 in sheep, cattle and goats. During the outbreak, 13 farms (five sheep, five cattle and three dairy goats) were closely monitored. RESULTS: In 2023, BTV-3 infections were confirmed by real-time polymerase chain reaction in sheep flocks (n = 1807), cattle herds (n = 1864), goat herds (n = 62), alpaca and/or llama herds (n = 15) and one dog. Sheep exhibited the most severe clinical signs and had the highest mortality. In other animal species, a large variation in both occurrence and severity of clinical signs was observed. LIMITATION: Only 13 farms were closely monitored. CONCLUSIONS: The clinical signs observed in affected animals during the 2023 BTV-3 outbreak seem to be more severe than those observed during the BTV-8 outbreak between 2006 and 2008. It seems likely that BTV-3 will overwinter, similar to BTV-8. Therefore, the availability of an effective and safe vaccine is crucial to limit the future impact of BTV-3.


Asunto(s)
Virus de la Lengua Azul , Lengua Azul , Brotes de Enfermedades , Cabras , Serogrupo , Animales , Virus de la Lengua Azul/aislamiento & purificación , Lengua Azul/epidemiología , Lengua Azul/patología , Lengua Azul/virología , Países Bajos/epidemiología , Ovinos , Brotes de Enfermedades/veterinaria , Bovinos , Estudios Seroepidemiológicos , Rumiantes/virología , Enfermedades de las Cabras/epidemiología , Enfermedades de las Cabras/virología , Enfermedades de las Cabras/patología , Femenino , Enfermedades de los Bovinos/epidemiología , Enfermedades de los Bovinos/virología , Enfermedades de los Bovinos/patología
13.
Telemed J E Health ; 2024 Aug 16.
Artículo en Inglés | MEDLINE | ID: mdl-39149809

RESUMEN

Introduction: Telehealth has emerged as an important clinical setting for managing acute respiratory tract infections (ARIs), potentially reducing emergency department and urgent care overcrowding, and reducing nosocomial transmission. Many current algorithms for ARI management incorporate information on patient vital signs. However, the accuracy of vital signs collected by patients using readily available home devices and techniques has not been studied. Methods: A cross-sectional sample of patients seen for urgent conditions at a hospital emergency and urgent care center were given instructions and low-cost, readily available devices to collect their vital signs. A trained research coordinator collected a parallel set of vital signs using standard hospital equipment, serving as the gold standard. We analyzed the performance of patient-collected vital signs compared with vital signs collected by a trained research coordinator. Results: A total of 300 patients completed the study. Patient-collected vital signs were highly specific for traditional levels of abnormalities (HR >100 beats per min, RR >24 breaths per min, temperature >100.4 degrees Fahrenheit, oxygen saturation <94 percent); however, sensitivity was poor for elevated heart rate by pulse estimation (25%) and elevated respiratory rate (60%). Heart rate and oxygen saturation by pulse oximeter and oral temperature had higher sensitivity. Conclusions: Vital signs measured and provided by patients are not uniformly accurate, particularly when using manual techniques rather than automated devices. Telehealth algorithms that rely on these values could provide incorrect triage and management advice.

14.
Sud Med Ekspert ; 67(4): 16-21, 2024.
Artículo en Ruso | MEDLINE | ID: mdl-39189489

RESUMEN

OBJECTIVE: To reveal statistical patterns in the localization of alterations in organs and tissues of the neck in hanging depending on the noose location. MATERIAL AND METHODS: In this study 222 forensic examination reports of corpses of those who died from hanging, conducted in the Bureau of Forensic Medical Expertise of Moscow Oblast for 2019, were investigated. Standard methods of mathematical statistics, including Mann-Whitney U Test and the Fisher's Exact Test, were used for calculations. Sex and age characteristics of hanging cases were given. RESULTS: Retrospective statistical analysis has shown that the pattern of injuries revealed in organs and tissues of the neck both depends (in cases of Amussat's sign) and does not depend (in cases of hemorrhages in the legs of sternocleidomastoid muscle, fractures of the hyoid bone and thyroid cartilage, Martin's sign) on the noose position. CONCLUSION: The obtained results can be used to develop measures aimed at improving the quality of forensic examination of hanging cases.


Asunto(s)
Asfixia , Patologia Forense , Traumatismos del Cuello , Humanos , Traumatismos del Cuello/patología , Asfixia/patología , Masculino , Femenino , Patologia Forense/métodos , Adulto , Estudios Retrospectivos , Persona de Mediana Edad , Hueso Hioides/lesiones , Hueso Hioides/patología , Moscú , Suicidio Completo , Anciano
15.
Artículo en Inglés | MEDLINE | ID: mdl-39173992

RESUMEN

BACKGROUND: Borderline personality disorder (BPD) is a serious disorder with a lifetime prevalence of 2.7-5.9% and is thought to correlate with altered neuroplasticity. The aim of the present study is to investigate possible associations of BPD (-severity) and alterations in neurological soft signs (NSS) and olfactory function. METHODS: For the monocentric observational study, 39 female subjects with a BPD diagnosis and 19 female healthy control subjects were recruited. The groups were matched by age. Olfactory functions were examined using Sniffin' Sticks. NSS were assessed by a standardized test with 50 items. RESULTS: BPD subjects have higher NSS scores in group comparison. By contrast, there are no alterations in the total score of olfactory function, while the BPD subjects scored higher in smell identification. Within the BPD group, the total NSS score was discovered to have a negative correlation with olfactory function. BPD subjects taking antipsychotics show more NSS than those without. We found no significant influence of posttraumatic stress disorder on the NSS or olfactory function. The BPD-severity correlates with NSS. LIMITATIONS: Due to the cross-sectional design, we did not have a follow up examination. The sample size was small, and all patients had psychiatric comorbidities. Additionally, we did not perform MRI to connect our findings with possible structural abnormalities. CONCLUSIONS: Our study confirmed altered NSS in BPD patients, whereas no impairment in the olfactory function was found. Further research is required to establish NSS and smell tests as clinical screening tools in BPD patients and to uncover the disorder's impact on neuroplasticity.

16.
Vet Sci ; 11(8)2024 Aug 10.
Artículo en Inglés | MEDLINE | ID: mdl-39195817

RESUMEN

Alteration in the gut microbiome in human patients with chronic liver disease is a well-known pathophysiological mechanism. Therefore, it represents both a diagnostic and therapeutical target. Intestinal dysbiosis has also been identified in dogs with chronic liver disease, but clinical trials evaluating the effectiveness of synbiotic administration are lacking. Thirty-two dogs with chronic hepatobiliary disease were equally randomized into two groups: one treated with a synbiotic complex for 4-6 weeks (TG) and one untreated control group (CG). All dogs underwent clinical evaluation, complete anamnesis, bloodwork, abdominal ultrasound, fecal bile acids, and gut microbiome evaluation at T0-T1 (after 4-6 weeks). Treated dogs showed a significant reduction in ALT activity (p = 0.007) and clinical resolution of gastrointestinal signs (p = 0.026) compared to control dogs. The synbiotic treatment resulted in a lower increase in Enterobacteriaceae and Lachnospiraceae compared to the control group but did not affect the overall richness and number of bacterial species. No significant changes in fecal bile acids profile were detected with synbiotic administration. Further studies are needed to better evaluate the effectiveness of synbiotic administration in these patients and the metabolic pathways involved in determining the clinical and biochemical improvement.

17.
Behav Sci (Basel) ; 14(8)2024 Aug 12.
Artículo en Inglés | MEDLINE | ID: mdl-39199100

RESUMEN

Child neglect, recognized as the most prevalent form of child maltreatment with profound repercussions on children's development, has received limited scholarly attention compared to abuse. The current study addresses this shortfall with a qualitative research investigation involving 10 multicultural focus groups of youths aged 12 to 15. The research examined how young individuals identify signs of child neglect and discern whether formal and informal sources of assistance may be relied upon to assist in addressing this issue. Through qualitative-thematic analysis, three primary themes emerged: (1) Characteristics of neglected children, (2) challenges in identifying child neglect, and (3) official and unofficial sources to appeal for assistance when child neglect is identified. This study's insights concern peers' recognition of signs indicating neglect in children and their perspectives on potential assistance.

18.
Bioengineering (Basel) ; 11(8)2024 Jul 23.
Artículo en Inglés | MEDLINE | ID: mdl-39199701

RESUMEN

Remote photoplethysmography (rPPG) is an emerging non-contact method for monitoring cardiovascular health based on facial videos. The quality of the captured videos largely determines the efficacy of rPPG in this application. Traditional rPPG techniques, while effective for heart rate (HR) estimation, often produce signals with an inadequate signal-to-noise ratio (SNR) for reliable vital sign measurement due to artifacts like head motion and measurement noise. Another pivotal factor is the overlooking of the inherent properties of signals generated by rPPG (rPPG-signals). To address these limitations, we introduce DiffPhys, a novel deep generative model particularly designed to enhance the SNR of rPPG-signals. DiffPhys leverages the conditional diffusion model to learn the distribution of rPPG-signals and uses a refined reverse process to generate rPPG-signals with a higher SNR. Experimental results demonstrate that DiffPhys elevates the SNR of rPPG-signals across within-database and cross-database scenarios, facilitating the extraction of cardiovascular metrics such as HR and HRV with greater precision. This enhancement allows for more accurate monitoring of health conditions in non-clinical settings.

19.
Res Sq ; 2024 Aug 12.
Artículo en Inglés | MEDLINE | ID: mdl-39184079

RESUMEN

Purpose: To assess associations of dry eye disease (DED) severity of symptoms and signs with the quality of life in patients with moderate-to-severe DED. Methods: At baseline, 6 and 12 months, participants (N=535) were assessed for DED symptoms using Ocular Surface Disease Index (OSDI) and signs using conjunctival staining, corneal staining, tear breakup time (TBUT), Schirmer's testing, meibomian gland dysfunction, and tear osmolarity. Quality of life was evaluated using the Short Form Health Survey (SF-36), consisting of Physical Component Summary (PCS) and Mental Component Summary (MCS). Spearman correlation coefficients (rho) were used to evaluate correlations between the severity of DED and SF-36. Results: At baseline, Worse DED symptoms indicated by higher OSDI total score were correlated with worse PCS (rho=-0.13, P=0.002) and MCS (rho=-0.09, P=0.03) of SF-36. The worse vision-related function was correlated with a worse PCS score (rho=-0.18, P<0.0001), and worse ocular symptoms were correlated with a worse MCS score (rho=-0.15, P<0.001). More severe DED signs including corneal staining (rho=-0.22, P<0.001), Schirmer test (rho=0.11, P=0.01), TBUT (rho=0.14, P<0.001), and tear osmolarity (rho=-0.12, P=0.02) were correlated with worse PCS score but were not correlated with MCS score (P≥0.39). ln longitudinal analysis, only worsening of ocular symptoms was significantly correlated with worsening of MCS score (rho=-0.09, P=0.04). Conclusion: In patients with moderate-to-severe DED, there were significant yet weak correlations between dry eye severity of symptoms/signs and physical or mental components of SF-36. Healthcare professionals should offer DED symptom relief and support for the emotional and practical challenges in their daily lives.

20.
Children (Basel) ; 11(8)2024 Aug 21.
Artículo en Inglés | MEDLINE | ID: mdl-39201955

RESUMEN

BACKGROUND: Measuring and interpreting vital signs in pediatric patients recovering from anaesthesia, particularly those up to 36 months old, is challenging. Nurses' decision-making regarding the level of monitoring must balance patient safety with individualized care. This study aimed to explore the perceptions of critical care nurses and registered nurse anesthetists regarding their experiences and actions when making decisions about vital sign monitoring for children in post-anesthesia care units (PACUs). METHODS: A qualitative study utilizing the critical incident technique was conducted. Interviews were performed with a purposeful sample of 17 critical care nurses and registered nurse anaesthetists from two hospitals. RESULTS: Nurses reported that the rationale for decisions concerning the need for vital sign monitoring in children was both adequate and inadequate. Actions were taken to adjust the monitoring of vital signs, optimizing conditions for assessment and ensuring the child's safe recovery. CONCLUSIONS: The complexity of accurately monitoring children makes it challenging for nurses in the PACU to adhere to guidelines. Evidence-based care and safety are compromised when technology has limitations and is not adapted for paediatric use, leading to a greater reliance on experience and clinical assessment. This reliance on experience is crucial for reliable assessment but also entails accepting greater risks.

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