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1.
J Low Genit Tract Dis ; 27(2): 125-130, 2023 Apr 01.
Artículo en Inglés | MEDLINE | ID: mdl-36794761

RESUMEN

OBJECTIVE: This study aimed to analyze which clinical characteristics are associated with recurrence and progression of vulvar high-grade squamous intraepithelial lesion (vHSIL). MATERIALS AND METHODS: This was a retrospective cohort study, including all women with vHSIL followed in 1 center between 2009 and 2021. Women with a concomitant diagnosis of invasive vulvar cancer were excluded. Medical records were reviewed for demographic factors, clinical data, treatment type, histopathologic results, and follow-up information. RESULTS: A total of 30 women were diagnosed with vHSIL. The median follow-up time was 4 years (range = 1-12 years). More than half of the women (56.7% [17/30]) underwent excisional treatment, whereas 26.7% (8/30) underwent combined (excisional plus medical) treatment, and 16.7% (5/30) only had medical treatment (imiquimod). Six women had recurrence of vHSIL (20% [6/30]), with a mean time to recurrence of 4.7 ± 2.88 years. The progression rate to invasive vulvar cancer was 13.3% (4/30), with a mean time to progression of 1.8 ± 0.96 years. Multifocal disease was associated with progression to vulvar cancer ( p = .035). We did not identify other variables associated with progression; no differences were found between women with and without recurrences. CONCLUSIONS: Multifocality of the lesions was the only variable associated with progression to vulvar cancer. This reinforces the idea that these lesions are a challenge in both treatment and surveillance, involving a more difficult therapeutic decision with greater associated morbidity.


Asunto(s)
Carcinoma in Situ , Neoplasias Cutáneas , Lesiones Intraepiteliales Escamosas , Neoplasias de la Vulva , Femenino , Humanos , Neoplasias de la Vulva/diagnóstico , Neoplasias de la Vulva/epidemiología , Neoplasias de la Vulva/patología , Estudios Retrospectivos , Carcinoma in Situ/patología , Vulva/patología , Lesiones Intraepiteliales Escamosas/epidemiología
2.
J Ren Nutr ; 32(5): 569-577, 2022 09.
Artículo en Inglés | MEDLINE | ID: mdl-34922814

RESUMEN

OBJECTIVE: Since its development, cumulative evidence has accumulated regarding the prognostic value of the Malnutrition-Inflammation Score (MIS/Kalantar score) prognostic value; however, there is a shortage of recent and large studies with comprehensive statistical methodologies that contribute to support a higher level of evidence and a consensual cutoff. The aim of this study was to assess the strength of MIS association with hospitalization and mortality in a nationwide cohort. METHODS: This was a historical cohort study of hemodialysis patients from 25 outpatient centers followed up for 48 months. Univariable and multivariable Cox additive regression models were used to analyze the data. The C-index was estimated to assess the performance of the final model. RESULTS: Two thousand four hundred forty-four patients were analyzed, 59.0% males, 32.0% diabetic, and median age of 71 years (P25 = 60, P75 = 79). During a median period of 45-month follow-up, with a maximum of 48 months (P25 = 31; P75 = 48), 875 patients presented an MIS <5 (35.8%) and 860 patients (35.2%) died. The proportion of deaths was 23.1% for patients with the MIS <5 and 41.9% if the MIS ≥5 (P < .001). A total of 1,528 patients (62.5%) were hospitalized with a median time to the first hospitalization of 26 months (P25 = 9; P75 = 45). A new cutoff point regarding the risk of death, MIS ≥6, was identified for this study data set. In multivariable analysis for hospitalization risk, a higher MIS, higher comorbidity index, and arteriovenous graft or catheter increased the risk, whereas higher Kt/V and higher albumin had a protective effect. In multivariable analysis for mortality risk, adjusting for age, albumin, normalized protein catabolic rate, Charlson comorbidity index, interdialytic weight gain, Kt/V, diabetes, hematocrit, and vascular access, patients with the MIS ≥6 showed a hazard ratio of 1.469 (95% confidence interval: 1.262-1.711; P < .001). Higher age, higher interdialytic weight gain, higher comorbidity index, and catheter increased significantly the risk, whereas higher Kt/V, higher albumin, and higher normalized protein catabolic rate (≥1.05 g/kg/d) reduced the risk. CONCLUSION: The MIS maintains its relevant and significant association with hospitalization and mortality.


Asunto(s)
Desnutrición , Anciano , Albúminas , Estudios de Cohortes , Comorbilidad , Femenino , Hospitalización , Humanos , Inflamación/complicaciones , Masculino , Desnutrición/complicaciones , Desnutrición/diagnóstico , Persona de Mediana Edad , Estado Nutricional , Pronóstico , Diálisis Renal , Factores de Riesgo , Aumento de Peso
3.
J Low Genit Tract Dis ; 25(1): 71-75, 2021 Jan 01.
Artículo en Inglés | MEDLINE | ID: mdl-33214502

RESUMEN

OBJECTIVE: The aim of the study was to assess the risk of vulvar cancer and precursors in a cohort of women with vulvar lichen planus (LP) and the clinical and therapeutic features of these patients. MATERIALS AND METHODS: A retrospective cohort study, including all the women with the diagnosis of vulvar LP, followed in one institution during a period of 11 years, was performed. Demographic and clinical data, as well as treatment, follow-up, and histology results, were evaluated. RESULTS: A total of 127 women were diagnosed with vulvar LP. The mean follow-up time was 3.9 ± 0.5 years (range = 1-11 years). Ultrapotent topical corticosteroids were first-line treatment in 91.8% (n = 112), with 32 cases (25.2%) needing an alternative treatment. Overall, 30 biopsies were performed in 19 women (15%). Vulvar high-grade squamous intraepithelial lesion was diagnosed in 3 women (2.4%), 2 (1.6%) of whom were later diagnosed with vulvar squamous cell carcinoma. No cases of differentiated vulvar intraepithelial neoplasia were observed. CONCLUSIONS: Premalignant/malignant transformation in women with vulvar LP under surveillance and compliant with treatment is low. A close follow-up seems to be crucial to prevent future malignancy. Biopsies should be performed whenever a suspicious lesion seems during follow-up.


Asunto(s)
Transformación Celular Neoplásica/patología , Liquen Plano/patología , Vulva/patología , Neoplasias de la Vulva/patología , Corticoesteroides/uso terapéutico , Anciano , Carcinoma de Células Escamosas/patología , Femenino , Humanos , Liquen Plano/tratamiento farmacológico , Liquen Plano/epidemiología , Persona de Mediana Edad , Portugal , Estudios Retrospectivos , Factores de Riesgo
4.
J Perinat Med ; 48(9): 977-980, 2020 Nov 26.
Artículo en Inglés | MEDLINE | ID: mdl-33085639

RESUMEN

Objectives The burden of undocumented SARS-Cov-2 infections in Portuguese pregnant women is unknown. At our institution, routine COVID-19 testing was implemented from 19th of March on to all pregnant women who were admitted for delivery. The purpose of the study was to estimate the SARS-CoV-2 infection rate in our obstetric population admitted for delivery. Mathods Between 19th March and May 4th, 184 pregnant women were screened for SARS-CoV-2 infection upon admission. Results Eleven women were positive for SARS-CoV-2, corresponding to a global prevalence of 6.0%. Of these, only two reported symptoms at admission. The prevalence of asymptomatic infection was 4.9%. We report a lower rate of positive cass than other studies. Eighty-two percent of our cases had no symptoms at admission. Conclusions The proportion of asymptomatic infection highlights the importance of universal laboratory screening for all women admitted for delivery as opposed to symptom-based screening.


Asunto(s)
Betacoronavirus , Técnicas de Laboratorio Clínico , Infecciones por Coronavirus/diagnóstico , Parto Obstétrico , Neumonía Viral/diagnóstico , Complicaciones Infecciosas del Embarazo/diagnóstico , Adulto , Infecciones Asintomáticas/epidemiología , Betacoronavirus/genética , Betacoronavirus/aislamiento & purificación , COVID-19 , Prueba de COVID-19 , Infecciones por Coronavirus/complicaciones , Infecciones por Coronavirus/epidemiología , Femenino , Hospitalización , Humanos , Pandemias , Neumonía Viral/complicaciones , Neumonía Viral/epidemiología , Portugal/epidemiología , Embarazo , Complicaciones Infecciosas del Embarazo/epidemiología , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa , SARS-CoV-2
5.
Pituitary ; 22(2): 124-128, 2019 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-30684167

RESUMEN

PURPOSE: Guidelines on pituitary incidentalomas evaluation and management are limited to adults since there are no data on this matter in the paediatric population. We aim to analyse the morphologic characteristics, hormonal profile and follow-up of these lesions in children. METHODS: We have searched for pituitary incidentalomas in the neuroimaging reports and electronic medical records of the Paediatric Endocrinology Clinic of our centre. Patients with 18 years-old or less were included. RESULTS: Forty-one incidentalomas were identified, 25 of them (62.4%) in females. The mean age at diagnosis was 12.0 ± 4.96 years-old. Headaches were the main reason that led to image acquisition (51.2%) and MRI was the imaging method that detected the majority of the incidentalomas (70.7%). The most prevalent lesion was pituitary hypertrophy (29.3%), which was mainly diagnosed in female adolescents (91.7%), followed by arachnoid cysts (17.1%), pituitary adenomas (14.6%) and Rathke's cleft cysts (12.2%). Most patients (90.2%) did not present clinical or laboratorial findings of hypopituitarism or hormonal hypersecretion. Four patients presented endocrine dysfunction: three had growth hormone deficiency and one had a central precocious puberty. Twenty-three patients (56.1%) underwent imagiological revaluation during a median follow-up time of 24.6 months (interquartile range 5.07). None of them presented dimensional progression. CONCLUSIONS: To the best of our knowledge, this is the first series of pituitary incidentalomas in pediatric age. Comparing our series with those conducted in adults, we have observed a higher preponderance of pituitary hypertrophy over adenomas, a lower prevalence of hormonal hyper/hyposecretion and lower risk of dimensional progression during follow-up.


Asunto(s)
Neuroimagen/métodos , Hipófisis/diagnóstico por imagen , Neoplasias Hipofisarias/diagnóstico por imagen , Adolescente , Niño , Femenino , Humanos , Masculino , Pediatría/métodos , Estudios Retrospectivos
6.
Neurosciences (Riyadh) ; 21(1): 17-25, 2016 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-26818162

RESUMEN

OBJECTIVE: To study the safety and efficacy of an innovative device using distraction-based magnetically controlled growing rods (MCGR) for the treatment of pediatric scoliosis. METHODS: This is an evidence-based systematic review of literature for the surgical management of patients with pediatric scoliosis using MCGR technique. Six clinical studies regarding the use of MCGR were included in this review, with a total of 68 patients, and mean age of 8.38 years. The dual-rod (DR) technique of rod construct with MCGR was used in 33.85% and the single-rod (SR) in 66.15% of the patients. RESULTS: The mean preoperative main coronal curve for the DR was 65.9°, and for the SR was 69.6° (p>0.05). At the latest follow-up, it was 36.8° for DR and 43.0 degrees for SR (p<0.05). The mean preoperative T1 - S1 spinal length was 298.7 mm for the DR and 303.5 mm for the SR group (p<0.05). According to the latest follow-up, using the DR construct, the spinal length increased to 347 mm with 13.92% of total lengthening; and using the SR construct, the average lengthening was 339 mm, with 10.48% of total lengthening (p<0.05). Postoperative complications were similar, 25% in DR and 31.57% in the SR group (p>0.05). CONCLUSION: Level IV of medical evidence supports the use of MCGR as a safe and effective alternative for the treatment of severe pediatric scoliosis. Recommendation Grade C supports the role of MCGR with DR construct as an option to achieve a better correction of the scoliotic curve and to maximize the postoperative T1 - S1 spinal length.


Asunto(s)
Fijadores Internos , Imanes , Procedimientos Neuroquirúrgicos/instrumentación , Escoliosis/cirugía , Columna Vertebral/cirugía , Adolescente , Niño , Preescolar , Humanos , Resultado del Tratamiento
7.
Neuropediatrics ; 46(2): 134-8, 2015 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-25642806

RESUMEN

Loss of function of GPR56 causes a specific brain malformation called the bilateral frontoparietal polymicrogyria (BFPP), which has typical clinical and neuroradiological findings. So far, 35 families and 26 independent mutations have been described.We present a Portuguese 5-year-old boy, born from nonconsanguineous parents, with BFPP. This patient has a novel GPR56 mutation (R271X) and an unusual phenotype, because he presents hot water epilepsy.To the best of our knowledge, this is the first reported case of BFPP evolving hot water epilepsy.


Asunto(s)
Epilepsia/complicaciones , Malformaciones del Desarrollo Cortical/diagnóstico , Malformaciones del Desarrollo Cortical/genética , Receptores Acoplados a Proteínas G/genética , Encéfalo/patología , Encéfalo/fisiopatología , Preescolar , Electroencefalografía , Epilepsia/diagnóstico , Epilepsia/genética , Humanos , Masculino , Malformaciones del Desarrollo Cortical/complicaciones , Mutación , Fenotipo
8.
Acta Neurochir (Wien) ; 157(12): 2093-7, 2015 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-26482942

RESUMEN

Pediatric penetrating carotid arterial trauma is a rare unreported cause of malignant cerebral infarction. Despite increasing evidence of benefit of decompressive hemicraniectomy (DCH) in pediatric malignant stroke, indications and predictors of outcome remain controversial. We report a 4-year-old boy with penetrating zone II neck trauma with laceration of the right internal carotid artery who developed malignant cerebral infarction requiring DCH. Impressive neurological recovery and excellent functional outcome was observed with good psychomotor development and quality of life. To our knowledge, this is the first reported case of pediatric malignant ICA infarction due to penetrating arterial trauma with good neurologic outcome after DCH.


Asunto(s)
Infarto Encefálico/cirugía , Arteria Carótida Interna/cirugía , Craniectomía Descompresiva , Traumatismos del Cuello/cirugía , Heridas Penetrantes/cirugía , Infarto Encefálico/etiología , Preescolar , Humanos , Masculino , Traumatismos del Cuello/complicaciones , Heridas Penetrantes/complicaciones
9.
Br J Neurosurg ; 28(3): 406-7, 2014 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-24032993

RESUMEN

We describe a case of a 48-year-old woman who presented with neck pain and progressive left arm weakness. Magnetic Resonance Imaging showed a cervical intramedullary cystic lesion. The lesion was removed and neuropathological analysis revealed an ependymal cyst.


Asunto(s)
Quistes del Sistema Nervioso Central/diagnóstico , Quistes del Sistema Nervioso Central/cirugía , Epéndimo/cirugía , Enfermedades de la Médula Espinal/diagnóstico , Enfermedades de la Médula Espinal/cirugía , Femenino , Humanos , Imagen por Resonancia Magnética , Persona de Mediana Edad , Procedimientos Neuroquirúrgicos/métodos
10.
J Clin Med ; 13(8)2024 Apr 19.
Artículo en Inglés | MEDLINE | ID: mdl-38673667

RESUMEN

Background: Traumatic brain injury is a prevalent health issue with significant social and economic impacts. Nursing interventions are crucial in preventing secondary injury and improving patient prognosis. This scoping seeks to map and analyze the existing scientific evidence on nursing interventions aimed at preventing secondary injuries in critically ill patients with traumatic brain injury. Methods: The review was conducted according to Arksey and O'Malley's methodological framework. The electronic databases Pubmed, MEDLINE Complete, CINAHL Complete, Nursing & Allied Health Collection: Comprehensive, Cochrane Central Register of Controlled Trials, and Cochrane Clinical Answers were consulted in May 2023. We included articles published in English and Portuguese between 2010 and 2023. Results: From the initial search, 277 articles were identified, with 15 meeting the inclusion criteria for the review. Nursing interventions for TBI patients include neuromonitoring, therapeutics, analytical surveillance, professional training, and family support. Nurses play a crucial role in detecting neurological changes, administering treatments, monitoring metabolic markers, training staff, and involving families. These interventions aim to prevent secondary injury and improve patient outcomes. Conclusions: By prioritizing evidence-based practice and utilizing innovative technologies, nurses enhance TBI patient care and contribute to overall well-being.

11.
Am J Med Genet A ; 161A(7): 1768-72, 2013 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-23696373

RESUMEN

Lateral meningocele syndrome is a rare disorder of unknown etiology, first described in 1977 and subsequently reported in nine other patients. These patients present distinctive craniofacial features and skeletal abnormalities in addition to multiple lateral meningoceles, suggesting a connective tissue disorder. Autosomal dominant inheritance is clearly suggested in one family and could explain familiar aggregation in another. We describe a simplex case of lateral meningocele syndrome with bicuspid aortic valve, supporting the hypothesis of a connective tissue basis for this disorder and further expanding the phenotype.


Asunto(s)
Anomalías Múltiples/etiología , Meningocele/etiología , Anomalías Múltiples/diagnóstico , Anomalías Múltiples/genética , Válvula Aórtica/anomalías , Enfermedad de la Válvula Aórtica Bicúspide , Preescolar , Tejido Conectivo/patología , Cara/anomalías , Femenino , Enfermedades de las Válvulas Cardíacas/etiología , Humanos , Recién Nacido , Cariotipificación , Imagen por Resonancia Magnética , Masculino , Meningocele/diagnóstico , Meningocele/genética , Embarazo
12.
J Gynecol Obstet Hum Reprod ; 52(9): 102649, 2023 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-37611747

RESUMEN

INTRODUCTION: The aim of this study was to compare the effectiveness of a combined misoprostol-Foley catheter induction of labor protocol against the current guidelines of our department. MATERIAL AND METHODS: A randomized trial was conducted comparing two cervical ripening study groups: combined misoprostol-cervical Foley and the current department practice (misoprostol alone or dinoprostone alone). Women were stratified randomly according to parity for the two intervention groups. The primary outcome was defined as time to delivery (in hours). Secondary outcomes were cesarean delivery rate, time to active labor (defined as dilatation 6 cm or greater), delivery within 12 h, delivery within 24 h, maternal length of stay and indication for cesarean delivery. A composite of maternal morbidity and neonatal morbidity were also analyzed. RESULTS: 142 women were randomized into one of the two groups (74 for treatment group and 68 for control group). Demographic and clinical characteristics were similar among the two groups. The primary outcome, the average time to delivery, was faster in the treatment group (22.7 h vs 27.2 h, p = 0.03) and this difference was higher in the nulliparous subgroup (24.2 h vs 29.2 h, p = 0.03). Active phase of labor was achieved faster in the treatment group (17.9 h vs 22.7 h, p = 0.008). The risk for cesarean section was similar in both groups (OR 0.801 (0.527-1.217) vs OR 1.203 (0.871-1.662), p = 0.278). CONCLUSIONS: Our study suggests that the combined method of cervical Foley with vaginal misoprostol for women presenting to induction of labor with unfavorable Bishop scores reduces time to delivery safely. The risk for cesarean section was similar in both groups.


Asunto(s)
Misoprostol , Oxitócicos , Recién Nacido , Embarazo , Femenino , Humanos , Cesárea , Trabajo de Parto Inducido/métodos , Dinoprostona
13.
Rev Port Cardiol ; 41(10): 865-885, 2022 10.
Artículo en Inglés, Portugués | MEDLINE | ID: mdl-36207069

RESUMEN

BACKGROUND: Heart failure (HF) is a high prevalent syndrome with significant burden worldwide. B-type natriuretic peptide (BNP) and N-terminal proBNP are the gold standard biomarkers in HF management. Although useful in clinical practice, they have limitations as their expression can be influenced by ventricular function, aging, obesity, renal failure and atrial arrhythmias. MicroRNAs have recently emerged as potential diagnostic and prognostic biomarkers, given that they are related to cell growth, proliferation, differentiation, and metabolism. An increasing amount of research has highlighted some microRNAs for their potential as HF biomarkers. However, different study designs, methods and study groups have led to inconsistent results. METHODS AND RESULTS: We performed a systematic search of available literature on Pubmed and Scopus reporting the prognostic value of microRNAs in HF, followed by a review of risk of bias, according to Quadas Group Standards. Simultaneously, microRNAs' potential as differential diagnosis and severity biomarkers was also analyzed. Studies have described circulating microRNA as potential diagnostic, prognostic, and severity markers. Mir-622, -519 and -499 were significantly related to HF with reduced ejection fraction, whereas miR-22-3p revealed greater ability as a severity biomarker. Let-7i-5p, miR-223-5p, miR-423-5p, miR-21, miR-1306-5p and miR-122 serum expressions presented a consistent correlation with HF prognosis. Furthermore, identified miR targets were associated with signaling pathways already known to be involved in HF progression. CONCLUSION: Several miRs were related to HF pathophysiology and demonstrated potential as biomarkers for disease progression. MicroRNAs have a promising role in HF, and although unquestionable, we require a deeper and broader understanding of their role and function for future research.


Asunto(s)
MicroARN Circulante , Insuficiencia Cardíaca , MicroARNs , Biomarcadores , Humanos , MicroARNs/genética , MicroARNs/metabolismo , Péptido Natriurético Encefálico , Pronóstico
14.
Int J Gynaecol Obstet ; 156(3): 552-559, 2022 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-34160078

RESUMEN

OBJECTIVE: To compare the performance of the Amsel criteria, culture of Gardnerella spp., and wet mount microscopy (WMM) in the diagnosis of bacterial vaginosis. METHODS: A cross-sectional cohort study was conducted, consisting of evaluating 749 consecutive women, regardless of symptoms. The Amsel criteria were evaluated, WMM microscopy and Gram staining were performed, and a swab was collected for culture. The gold standard for diagnosis was the Nugent score. RESULTS: The sensitivity and specificity for the different approaches were: Amsel criteria 41.3% (95% confidence interval [CI] 33.76-49.18) and 97.8% (95% CI 96.21-98.81); cultures 59.9% (95% CI 51.47-67.85) and 99.0% (95% CI 97.76-99.69); WMM 82.6% (95% CI 76.02-88.05) and 92.4% (95% CI 89.98-94.45), respectively. WMM performed equally well in symptomatic and asymptomatic women. Amsel criteria in scenarios where there is no use of a microscope had very poor sensitivity (22.8% [CI 16.63-29.87%]). CONCLUSION: The Amsel criteria have a poor performance for the diagnosis of bacterial vaginosis. WMM performs well but is not routinely used and should be the first approach for the diagnosis of vaginitis.


Asunto(s)
Vaginitis , Vaginosis Bacteriana , Estudios Transversales , Femenino , Humanos , Sensibilidad y Especificidad , Vaginosis Bacteriana/diagnóstico
15.
Int J Pediatr Adolesc Med ; 9(4): 186-189, 2022 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-36937325

RESUMEN

Behçet's disease (BD) is a rare systemic vasculitis with multisystemic involvement. Neurological involvement, called neuro-Behçet's disease (NBD), mostly involves the central nervous system and cerebral venous thrombosis (CVT) is the predominant neurological manifestation in the pediatric age. A 12-year-old female with a past medical history of a CVT, without an identifiable etiology, was admitted with a five-day right fronto-orbital headache. Neuroimage showed a subacute thrombosis of a right superficial sylvian vein, with indirect signs of intracranial hypertension and no imaging signs of vasculitis. Prothrombotic screening and immunologic study were normal. She was started on acetazolamide and hypocoagulation with progressively improving. She had a history of frequent oral aphthae and an episode of a genital ulcer three months before admission. Pathergy test was negative. HLA-B51 was positive. She was diagnosed with NBD and started therapy with colchicine and infliximab. After discharge, the patient remains without symptoms, hypocoagulated, and on infliximab regimen, without complications to report. This case, only diagnosed in the second episode of CVT, is paradigmatic of the difficulty in establishing the diagnosis of BD.

16.
SAGE Open Nurs ; 8: 23779608221094547, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35493546

RESUMEN

Introduction: Lockdowns due to the COVID-19 pandemic radically changed nursing education. Along with social isolation, the transition to distance education affected the well-being of students in several countries, particularly Portugal and Spain. Objectives: To identify which variables are predictors of psychological well-being for Portuguese and Spanish nursing students during mandatory lockdowns. Methods: A multicenter, cross-sectional, descriptive, correlational study involving a sample of 1075 students (944 women, mean age 22.46 + /-4.95 years). Data were collected from an online questionnaire which applied the following scales: Perceived Stress Scale (α = .820); Brief COPE-14 Subscales (α = .430 < 0.930); Well-being Manifestations Measure Scale (α = .940); Herth Hope Index (α = .850). A multiple regression model was created to predict the psychological well-being of nursing students. Results: The following predictor variables were identified in the model of the psychological well-being of students during the COVID-19 pandemic: perceived stress (ß = .405; p ≤ .001); hope (ß = .404; p ≤ .001); and the mechanisms of active coping (ß = .405; p ≤ .001), planning (ß = .097; p ≤ .001), and positive reinterpretation (ß = .053; p = .12). These five variables predicted 62.0% of the nursing students' psychological well-being (R 2 = .620; F = 350.82; p ≤ .001). Conclusion: Promoting students' mental health is essential, especially in periods of great adversity, such as a pandemic. Our results lead the way for the design and validation of an intervention program that addresses the five variables identified as predictors of students' psychological well-being.

17.
Health Psychol Res ; 9(1): 24508, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-35106391

RESUMEN

Few studies have explored the impacts of COVID-19 and lockdown on the mental health of undergraduate nursing students. This study aimed: a) to explore perceived stress among undergraduate nursing students in Portugal and Spain during the COVID-19 pandemic outbreak; and b) to analyze several COVID-19 related factors and psychological issues that may be associated with perceived stress. A cross-sectional study was conducted with a convenience sample of Portuguese and Spanish undergraduate nursing students (n=1075). The data gathered included demographic information, questions about COVID-19 related factors, and psychological issues. Data were analyzed using multiple logistic regression with a degree of significance at p<0.05. High perceived stress scores were found in 558 participants (51.9%). Students with high perceived stress most likely had a COVID-19 diagnosis in their household; their household income had been affected by the COVID-19 pandemic; experienced difficulty falling asleep or sleeping all night; consumed junk food in excess; neglected their appearance; felt headaches, stomach aches, and back pain; and lacked the patience or desire to exercise. Additionally, high perceived stress was negatively associated with life satisfaction. The results provide evidence that infectious diseases, such as COVID-19, may significantly influence mental health. Further research should explore the long-term psychological effects of the COVID-19 pandemic among nursing students.

18.
J Basic Clin Physiol Pharmacol ; 33(4): 499-510, 2021 Jul 19.
Artículo en Inglés | MEDLINE | ID: mdl-34273917

RESUMEN

OBJECTIVES: Warfarin is the most widely used anticoagulant in the world, but it has several limitations including its narrow therapeutic range, need for dose adjustment and high potential for interactions. The simultaneous use of other drugs or even medicinal plants and certain foods could interfere with its therapeutic activity. In this context, this study aims to investigate the in vitro anticoagulant potential and phytochemical constitution of 17 plants selected from a previous clinical cross-sectional study (2014), that investigated the habits of plant utilization among patients taking warfarin. METHODS: Ethanol extracts and essential oils were evaluated, in vitro, as to their effect in the prothrombin time (PT) and activated partial thromboplastin time (aPTT) tests. Four species that presented aPTT >50 s were selected for phytochemical evaluation. RESULTS: Thirteen of the 17 plants selected demonstrated a significant anticoagulant effect in at least one of the evaluated parameters. Citrus sinensis (PT=14.75 and aPTT=53.15), Mentha crispa (aPTT=51.25), Mikania laevigata (PT=14.90 and aPTT=52.10), and Nasturtium officinale (aPTT=50.55) showed greater anticoagulant potential compared to normal plasma pool (PT=12.25 and aPTT=37.73). Chemical profiles of these four species were obtained, and certain compounds were identified: rosmarinic acid from M. crispa and isoorientin from N. officinale. CONCLUSIONS: Thus, the results of this study could be a useful indicator for clinical practice towards the possibility of interaction between these plants and anticoagulants, although further clinical research is needed taking into consideration the limitations of in vitro studies. These findings also suggest that further research into the action of these plants could be of real clinical value in identifying potential alternative anticoagulant therapies.


Asunto(s)
Plantas Medicinales , Warfarina , Anticoagulantes , Estudios Transversales , Tiempo de Protrombina
19.
JCI Insight ; 6(20)2021 10 22.
Artículo en Inglés | MEDLINE | ID: mdl-34491911

RESUMEN

The PD-1/PD-L1 pathway is a key immune checkpoint that regulates T cell activation. There is strong rationale to develop PD-1 agonists as therapeutics against autoimmunity, but progress in this area has been limited. Here, we generated T cell receptor (TCR) targeting, PD-1 agonist bispecifics called ImmTAAI molecules that mimic the ability of PD-L1 to facilitate the colocalization of PD-1 with the TCR complex at the target cell-T cell interface. PD-1 agonist ImmTAAI molecules specifically bound to target cells and were highly effective in activating the PD-1 receptor on interacting T cells to achieve immune suppression. Potent PD-1 antibody ImmTAAI molecules closely mimicked the mechanism of action of endogenously expressed PD-L1 in their localization to the target cell-T cell interface, inhibition of proximal TCR signaling events, and suppression of T cell function. At picomolar concentrations, these bispecifics suppressed cytokine production and inhibited CD8+ T cell-mediated cytotoxicity in vitro. Crucially, in soluble form, the PD-1 ImmTAAI molecules were inactive and, hence, could avoid systemic immunosuppression. This study outlines a promising new route to generate more effective, potent, tissue-targeted PD-1 agonists that can inhibit T cell function locally with the potential to treat autoimmune and chronic inflammatory diseases of high unmet need.


Asunto(s)
Inhibidores de Puntos de Control Inmunológico/uso terapéutico , Inmunoterapia/métodos , Receptor de Muerte Celular Programada 1/metabolismo , Receptores de Antígenos de Linfocitos T/antagonistas & inhibidores , Humanos
20.
Sci Rep ; 11(1): 13898, 2021 07 06.
Artículo en Inglés | MEDLINE | ID: mdl-34230507

RESUMEN

Pregnant women may be at higher risk of severe complications associated with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which may lead to obstetrical complications. We performed a case control study comparing pregnant women with severe coronavirus disease 19 (cases) to pregnant women with a milder form (controls) enrolled in the COVI-Preg international registry cohort between March 24 and July 26, 2020. Risk factors for severity, obstetrical and immediate neonatal outcomes were assessed. A total of 926 pregnant women with a positive test for SARS-CoV-2 were included, among which 92 (9.9%) presented with severe COVID-19 disease. Risk factors for severe maternal outcomes were pulmonary comorbidities [aOR 4.3, 95% CI 1.9-9.5], hypertensive disorders [aOR 2.7, 95% CI 1.0-7.0] and diabetes [aOR2.2, 95% CI 1.1-4.5]. Pregnant women with severe maternal outcomes were at higher risk of caesarean section [70.7% (n = 53/75)], preterm delivery [62.7% (n = 32/51)] and newborns requiring admission to the neonatal intensive care unit [41.3% (n = 31/75)]. In this study, several risk factors for developing severe complications of SARS-CoV-2 infection among pregnant women were identified including pulmonary comorbidities, hypertensive disorders and diabetes. Obstetrical and neonatal outcomes appear to be influenced by the severity of maternal disease.


Asunto(s)
COVID-19/virología , Complicaciones Infecciosas del Embarazo/virología , Mujeres Embarazadas , SARS-CoV-2/patogenicidad , Adulto , Estudios de Casos y Controles , Femenino , Humanos , Embarazo , Resultado del Embarazo , Nacimiento Prematuro/virología , Factores de Riesgo
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