Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 82
Filtrar
1.
Medicina (Kaunas) ; 60(8)2024 Aug 14.
Artículo en Inglés | MEDLINE | ID: mdl-39202596

RESUMEN

Background and Objectives: Chronic heart failure (CHF) caused by ischemic heart disease (IHD) is the leading cause of death worldwide and presents significant health challenges. Effective management of IHD requires prevention, early detection, and treatment to improve patient outcomes. This study aims to expand the diagnostic utility of various 24 h Holter ECG parameters, such as T-wave alternans (TWA), late ventricular potentials (LVPs), and heart rate variability (HRV) in patients with CHF caused by IHD. Additionally, we seek to explore the association between these parameters and other comorbid conditions affecting the prognosis of CHF patients. Materials and Methods: We conducted a prospective case-control study with 150 patients divided into two subgroups: 100 patients with CHF caused by IHD, and 50 patients in the control group. Data included medical history, physical examination, laboratory tests, echocardiography, and 24 h Holter monitoring. Results: Our comparative analysis demonstrated that both TWA and LVPs were significantly higher in patients with CHF compared to the control group (p < 0.01), indicating increased myocardial electrical vulnerability in CHF patients. Both time and frequency-domain HRV parameters were significantly lower in the CHF group. However, the ratio of NN50 to the total count of NN intervals (PNN50) showed a borderline significance (p = 0.06). While the low-frequency (LF) domain was significantly lower in CHF patients, the high-frequency (HF) domain did not differ significantly between groups. Acceleration and deceleration capacities were also significantly altered in CHF patients. Categorizing CHF patients by left ventricular ejection fraction (LVEF) revealed that the mean of the 5-min normal-to-normal intervals over the complete recording (SDNN Index) was significantly higher in patients with LVEF ≥ 50% compared to those with CHF with reduced EF and CHF with mildly reduced EF (p < 0.001), whereas the other HRV parameters showed no significant differences among the groups. Conclusions: Holter ECG parameters can become a reliable tool in the assessment of patients with CHF. The integration of multiple Holter ECG parameters, such as TWA, LVPs, and HRV, can significantly enhance the diagnostic assessment of CHF caused by IHD. This comprehensive approach allows for a more nuanced understanding of the patient's condition and potential outcomes.


Asunto(s)
Electrocardiografía Ambulatoria , Insuficiencia Cardíaca , Isquemia Miocárdica , Humanos , Insuficiencia Cardíaca/fisiopatología , Insuficiencia Cardíaca/complicaciones , Insuficiencia Cardíaca/diagnóstico , Masculino , Estudios de Casos y Controles , Electrocardiografía Ambulatoria/métodos , Femenino , Isquemia Miocárdica/fisiopatología , Isquemia Miocárdica/complicaciones , Isquemia Miocárdica/diagnóstico , Persona de Mediana Edad , Estudios Prospectivos , Anciano , Enfermedad Crónica , Frecuencia Cardíaca/fisiología
2.
Medicina (Kaunas) ; 60(2)2024 Feb 19.
Artículo en Inglés | MEDLINE | ID: mdl-38399629

RESUMEN

Background and Objective: In the landscape of heart failure, non-cardiac comorbidities represent a formidable challenge, imparting adverse prognostic implications. Holter ECG monitoring assumes a supplementary role in delineating myocardial susceptibility and autonomic nervous system dynamics. This study aims to explore the potential correlation between Holter ECG parameters and comorbidities in individuals with ischemic cardiomyopathy experiencing heart failure (HF), with a particular focus on the primary utility of these parameters as prognostic indicators. Materials and Methods: In this prospective inquiry, a cohort of 60 individuals diagnosed with heart failure underwent stratification into subgroups based on the presence of comorbidities, including diabetes, chronic kidney disease, obesity, or hyperuricemia. Upon admission, a thorough evaluation of all participants encompassed echocardiography, laboratory panel analysis, and 24 h Holter monitoring. Results: Significant associations were uncovered between diabetes and unconventional physiological indicators, specifically the Triangular index (p = 0.035) and deceleration capacity (p = 0.002). Pertaining to creatinine clearance, notable correlations surfaced with RMSSD (p = 0.026), PNN50 (p = 0.013), and high-frequency power (p = 0.026). An examination of uric acid levels and distinctive Holter ECG patterns unveiled statistical significance, particularly regarding the deceleration capacity (p = 0.045). Nevertheless, in the evaluation of the Body Mass Index, no statistically significant findings emerged concerning Holter ECG parameters. Conclusions: The identified statistical correlations between non-cardiac comorbidities and patterns elucidated in Holter ECG recordings underscore the heightened diagnostic utility of this investigative modality in the comprehensive evaluation of individuals grappling with HF. Furthermore, we underscore the critical importance of the thorough analysis of Holter ECG recordings, particularly with regard to subtle and emerging parameters that may be overlooked or insufficiently acknowledged.


Asunto(s)
Cardiomiopatías , Diabetes Mellitus , Insuficiencia Cardíaca , Isquemia Miocárdica , Humanos , Electrocardiografía Ambulatoria , Proyectos Piloto , Estudios Prospectivos , Isquemia Miocárdica/complicaciones , Isquemia Miocárdica/diagnóstico , Insuficiencia Cardíaca/complicaciones , Cardiomiopatías/complicaciones , Cardiomiopatías/diagnóstico , Frecuencia Cardíaca
3.
Diagnostics (Basel) ; 13(13)2023 Jul 05.
Artículo en Inglés | MEDLINE | ID: mdl-37443671

RESUMEN

Acute heart failure (AHF) is a life-threatening condition with high morbidity and mortality. Even though this pathology has been extensively researched, there are still challenges in establishing an accurate and early diagnosis, determining the long- and short-term prognosis and choosing a targeted therapeutic strategy. The use of reliable biomarkers to support clinical judgment has been shown to improve the management of AHF patients. Despite a large pool of interesting candidate biomarkers, endothelin-1 (ET-1) appears to be involved in multiple aspects of AHF pathogenesis that include neurohormonal activation, cardiac remodeling, endothelial dysfunction, inflammation, atherosclerosis and alteration of the renal function. Since its discovery, numerous studies have shown that the level of ET-1 is associated with the severity of symptoms and cardiac dysfunction in this pathology. The purpose of this paper is to review the existing information on ET-1 and answer the question of whether this neurohormone could be a promising biomarker in AHF.

4.
Life (Basel) ; 13(6)2023 Jun 12.
Artículo en Inglés | MEDLINE | ID: mdl-37374153

RESUMEN

Factor V (FV) Leiden and prothrombin G20210A are the most common hereditary thrombophilias. While their role in venous thromboembolism is well known, there are still uncertainties regarding their relationship with arterial thrombotic events, especially coronary ones. Our research, based on an in-depth analysis of the available literature, provides up-to-date information on the relationship between FV Leiden and prothrombin G20210A and acute myocardial infarction. FV Leiden and prothrombin G20210A screening should be implemented only in select cases, such as acute coronary syndrome in young individuals and/or in the absence of traditional cardiovascular risk factors and/or in the absence of significant coronary artery stenosis at angiography. Their identification should be followed by the implementation of optimal control of modifiable traditional cardiovascular risk factors to reduce the risk of recurrent events and genotyping and genetic counseling of all family members of affected cases for proper prophylaxis. An extended dual antiplatelet therapy (DAPT) may be considered, given the lower risk of bleeding under DAPT conferred by FV Leiden.

5.
Life (Basel) ; 13(5)2023 May 10.
Artículo en Inglés | MEDLINE | ID: mdl-37240799

RESUMEN

Myocardial ischemia is a pathophysiological state characterized by inadequate perfusion of the myocardium, resulting in an imbalance between myocardial oxygen demand and supply. It is most commonly caused by coronary artery disease, in which atherosclerotic plaques lead to luminal narrowing and reduced blood flow to the heart. Myocardial ischemia can manifest as angina pectoris or silent myocardial ischemia and can progress to myocardial infarction or heart failure if left untreated. Diagnosis of myocardial ischemia typically involves a combination of clinical evaluation, electrocardiography and imaging studies. Electrocardiographic parameters, as assessed by 24 h Holter ECG monitoring, can predict the occurrence of major adverse cardiovascular events in patients with myocardial ischemia, independent of other risk factors. The T-waves in patients with myocardial ischemia have prognostic value for predicting major adverse cardiovascular events, and their electrophysiological heterogeneity can be visualized using various techniques. Combining the electrocardiographic findings with the assessment of myocardial substrate may offer a better picture of the factors that can contribute to cardiovascular death.

6.
Life (Basel) ; 13(4)2023 Apr 13.
Artículo en Inglés | MEDLINE | ID: mdl-37109529

RESUMEN

Despite the improvements in the treatment of coronary artery disease (CAD) and acute myocardial infarction (MI) over the past 20 years, ischemic heart disease (IHD) continues to be the most common cause of heart failure (HF). In clinical trials, over 70% of patients diagnosed with HF had IHD as the underlying cause. Furthermore, IHD predicts a worse outcome for patients with HF, leading to a substantial increase in late morbidity, mortality, and healthcare costs. In recent years, new pharmacological therapies have emerged for the treatment of HF, such as sodium-glucose cotransporter-2 inhibitors, angiotensin receptor-neprilysin inhibitors, selective cardiac myosin activators, and oral soluble guanylate cyclase stimulators, demonstrating clear or potential benefits in patients with HF with reduced ejection fraction. Interventional strategies such as cardiac resynchronization therapy, cardiac contractility modulation, or baroreflex activation therapy might provide additional therapeutic benefits by improving symptoms and promoting reverse remodeling. Furthermore, cardiac regenerative therapies such as stem cell transplantation could become a new therapeutic resource in the management of HF. By analyzing the existing data from the literature, this review aims to evaluate the impact of new HF therapies in patients with IHD in order to gain further insight into the best form of therapeutic management for this large proportion of HF patients.

7.
Life (Basel) ; 12(7)2022 Jul 08.
Artículo en Inglés | MEDLINE | ID: mdl-35888103

RESUMEN

Given the possible pathophysiological links between myocardial ischemia and SARS-CoV-2 infection, several studies have focused attention on acute coronary syndromes in order to improve patients' morbidity and mortality. Understanding the pathophysiological aspects of myocardial ischemia in patients infected with SARS-CoV-2 can open a broad perspective on the proper management for each patient. The electrocardiogram (ECG) remains the easiest assessment of cardiac involvement in COVID-19 patients, due to its non-invasive profile, accessibility, low cost, and lack of radiation. The ECG changes provide insight into the patient's prognosis, indicating either the worsening of an underlying cardiac illnesses or the acute direct injury by the virus. This indicates that the ECG is an important prognostic tool that can affect the outcome of COVID-19 patients, which important to correlate its aspects with the clinical characteristics and patient's medical history. The ECG changes in myocardial ischemia include a broad spectrum in patients with COVID-19 with different cases reported of ST-segment elevation, ST-segment depression, and T wave inversion, which are associated with severe COVID-19 disease.

8.
J Clin Med ; 11(10)2022 May 14.
Artículo en Inglés | MEDLINE | ID: mdl-35628899

RESUMEN

Constant and intense physical activity causes physiological adaptive changes in the human body, but it can also become a trigger for adverse events, such as sudden cardiac arrest or sudden cardiac death. Our main objective was to assess the use of combined cardiopulmonary exercise testing (CPET) and cardiac biomarker determinants in young professional athletes. We conducted a study which involved the full examination of 19 football players, all male, aged between 18 and 20 years old. They underwent standard clinical and paraclinical evaluation, a 12-lead electrocardiogram (ECG), and transthoracic echocardiography (TTE). Afterwards, a tailored CPET was performed and peripheral venous blood samples were taken before and 3 h after the test in order to determine five biomarker levels at rest and post-effort. The measured biomarkers were cardiac troponin I (cTnI), myoglobin (Myo), the MB isoenzyme of creatine-kinase (CK-MB), the N-terminal prohormone of brain natriuretic peptide (NT-proBNP) and D-dimers. While cTnI and NT-proBNP levels were undetectable both at rest and post-effort in all subjects, the variations in Myo, CK-MB and D-dimers showed significant correlations with CPET parameters. This highlights the potential use of combined CPET and biomarker determinants to evaluate professional athletes, and encourages further research on larger study groups.

10.
Lasers Med Sci ; 36(8): 1719-1723, 2021 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-34101089

RESUMEN

Different studies highlight photo-receptors' presence on the hair follicle that seems to be capable of eliciting hair growth. This study aims to demonstrate blue light's effectiveness on hair growth in patients affected by androgenetic alopecia. Twenty patients enrolled at Magna Graecia University Unit of Dermatology, affected by androgenetic alopecia, were treated with a blue LED light device at 417 ± 10 nm, fluence of 120 J/cm2, and power intensity of 60 mW/cm2 ± 20%. The treatments were performed twice a week for ten consecutive weeks. Patients were evaluated before and 1 month after the end of therapy clinically using standardized global photographs and dermoscopically estimating hair density and hair shaft width. An increase in hair density and hair shaft width was recorded in 90% of patients after 10 weeks. Photographic improvement was noted in 80% of the patients. No serious adverse events have been reported. The only side effect consisted in a darkening of the hair, perhaps due to melanic stimulation due to blue light in 2 patients. Blue light therapy is a promising therapy for patients affected by androgenetic alopecia and other diseases characterized by hair loss. Further studies will be necessary to confirm the findings of this preliminary study.


Asunto(s)
Cabello , Terapia por Luz de Baja Intensidad , Alopecia/terapia , Folículo Piloso , Humanos , Estudios Prospectivos
11.
Br J Dermatol ; 183(6): 1083-1093, 2020 12.
Artículo en Inglés | MEDLINE | ID: mdl-32215911

RESUMEN

BACKGROUND: Frontal fibrosing alopecia (FFA) is a scarring alopecia with unclear pathogenesis and a progressive course. The disease has a major impact on patients' quality of life and there is a lack of effective treatment to halt disease progression. METHODS: We profiled lesional and nonlesional scalp biopsies collected in 2017 from patients with FFA (n = 12) compared with scalp biopsies from patients with alopecia areata (AA) (n = 8) and controls (n = 8) to evaluate gene and protein expression, including the primary outcome (CXCL9). We determined significant differences between biomarkers using a two-sided Student's t-test adjusting P-values by false discovery rate. RESULTS: Significant increases were seen in CD8+ cytotoxic T cells, CD11c+ dendritic cells, CD103+ and CD69+ tissue-resident memory T cells in FFA and AA vs. control scalp (P < 0·05), with corresponding significantly upregulated granzyme B mRNA, particularly in FFA (P < 0·01). In AA, cellular infiltrates were primarily concentrated at the bulb, while in FFA these were mainly localized at the bulge. FFA demonstrated significant upregulation of T helper 1/intereferon (IFN) (IFN-γ, CXCL9/CXCL10), the Janus kinase/signal transducers and activators of transcription (JAK-STAT) pathway (STAT1, JAK3) and fibrosis-related products (vimentin, fibronectin; P < 0·05), with no concomitant downregulation of hair keratins and the T-regulatory marker, forkhead box P3, which were decreased in AA. The stem cell markers CD200 and K15 demonstrated significantly reduced expression only in FFA (P < 0·05). CONCLUSIONS: These data suggest that follicular damage and loss of stem cells in FFA may be mediated through immune attack in the bulge region, with secondary fibrosis and reduced but still detectable stem cells. JAK/STAT-targeting treatments may be able to prevent permanent follicular destruction and fibrosis in early disease stages.


Asunto(s)
Alopecia Areata , Liquen Plano , Alopecia , Humanos , Janus Quinasa 3 , Calidad de Vida , Cuero Cabelludo
13.
Ann Ig ; 30(2): 140-152, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-29465151

RESUMEN

BACKGROUND: Overweight and obese women present an increased risk of poor maternal and child health outcomes. The aim of this paper is to analyze the joint effects of pre-pregnancy body mass index and inadequate gestational weight gain on birth weight and gestational age in an Italian sample of pregnant women. METHODS: Data were obtained from a sample of about 2,000 pregnant women at the University Teaching Hospital of Perugia University (Italy) in 2013. We used the revised classification proposed by Institute of Medicine to identify gestational weight gains considered as appropriate. Logistic regression models were used to estimate the adjusted odds-ratios of women belonging to any BMI class different from normal (used as the reference category) and of women who increased their weight by an amount smaller or greater than normal, controlling for a large set of observable confounders. RESULTS: Higher probability of low birth weight was associated with both obesity (OR = 1.9124, s.e. = 0.526) and less than normal weight gains (OR = 2.3614, s.e. = 0.388). The probability of fetal macrosomia was found to be positively associated with more than normal weight increases (OR = 2.6232, s.e. = 0.465). Pre-term deliveries were associated with less than normal gestational weight gains (OR 1.7338, s.e. = 0.320). CONCLUSION: Overweight and obesity represent a big issue for public health. In particular, weight management during pregnancy and pre-pregnancy could determine negative health outcomes in newborns. In our study we found that inadequate weight variations during pregnancy, according to the Classification of the Institute of Medicine, negatively influence health conditions at birth. Stronger initiatives, especially in terms of midwifery, nurse training and informative policies should be adopted by policy makers.


Asunto(s)
Índice de Masa Corporal , Ganancia de Peso Gestacional , Enfermedades del Recién Nacido , Obesidad , Complicaciones del Embarazo , Adulto , Peso al Nacer , Femenino , Edad Gestacional , Humanos , Recién Nacido , Enfermedades del Recién Nacido/epidemiología , Italia , Obesidad/epidemiología , Embarazo , Complicaciones del Embarazo/epidemiología , Resultado del Embarazo , Adulto Joven
14.
J Eur Acad Dermatol Venereol ; 32(6): 947-955, 2018 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-29115737

RESUMEN

BACKGROUND: Pigment network is an important dermoscopic feature for melanocytic lesions, but alterations in grid line thickness are also observed in melanomas. OBJECTIVE: To investigate features of thick, thin and mixed pigment networks at dermoscopy and their respective features at reflectance confocal microscopy (RCM) for differential diagnosis, correlated with histology. METHODS: All melanocytic lesions with histological diagnosis, evaluated between January 2010 and May 2014, were enrolled and classified according to dermoscopy evaluation of the pigment networks: thin, thick and mixed. RESULTS: Thin network in melanoma was characterized by a honeycombed pattern (P < 0.001), dendritic cells (P < 0.001), atypical ringed pattern (P = 0.035) and structureless area (P = 0.012), whereas round cells (P < 0.001), dendritic cells (P < 0.001) and atypical meshwork pattern (<0.001) characterized thick network in melanoma. Mixed network type in melanoma shared honeycombed (P = 0.049) and typical ringed patterns (P = 0.045) in the thin area and round cells (P < 0.001) and atypical meshwork pattern (P < 0.001) in the thick area. Thin network in nevi was characterized by cobblestone (P < 0.001) and typical ringed patterns (P = 0.035), whereas thick network in nevi showed a typical meshwork pattern (P < 0.001). Mixed nevi shared the same features and patterns, but more frequently with inflammatory infiltrate (P = 0.047). CONCLUSION: Differential diagnosis between melanocytic lesions (nevi or melanoma) in thin, thick and mixed pigment networks observed at dermoscopy can be assisted by RCM to improve diagnostic accuracy.


Asunto(s)
Dermoscopía/métodos , Melanoma/diagnóstico , Microscopía Confocal/métodos , Pigmentos Biológicos/metabolismo , Neoplasias Cutáneas/diagnóstico , Diagnóstico Diferencial , Humanos , Melanoma/metabolismo , Melanoma/patología , Nevo/diagnóstico , Estudios Retrospectivos , Neoplasias Cutáneas/metabolismo , Neoplasias Cutáneas/patología
15.
Dermatol Ther ; 30(5)2017 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-28677237

RESUMEN

Atopic dermatitis (AD) is a result of complex genetic, epigenetic, environmental, and immunological interactions with an overlapping epidermal barrier defect. The study evaluates the efficacy and tolerability of topical Vitamin B12-barrier cream (MB12) compared with standard glycerol-petrolatum-based emollient cream (GPC) used three times a day for mild AD. The study was conducted as a on one hemi-body randomized, controlled, single-blind, intra-patient left-to-right comparative trial by patients with clinical diagnosis of mild AD measured with total SCORAD index over 4 months. MB12 was compared on one hemi-body treated (GPC). The comparisons of score values were performed primarily by using non-parametric procedures: Mann-Whitney-U test (for independent samples) and Wilcoxon test (for dependent samples). All 22 patients were randomized (left or right side treated with MB12 or GPC). At week 12 a reduction from baseline in SCORAD index was assessed in both body sites with 77.6% SCORAD index reduction in the MB12 treated body sites versus 33.5% in the GPC treated body sites. These results suggest that MB12 could represent a new option in the treatment of mild AD.


Asunto(s)
Dermatitis Atópica/tratamiento farmacológico , Fármacos Dermatológicos/administración & dosificación , Emolientes/administración & dosificación , Vitamina B 12/administración & dosificación , Administración Cutánea , Dermatitis Atópica/patología , Fármacos Dermatológicos/efectos adversos , Emolientes/efectos adversos , Femenino , Glicerol/administración & dosificación , Glicerol/efectos adversos , Humanos , Masculino , Vaselina/administración & dosificación , Vaselina/efectos adversos , Índice de Severidad de la Enfermedad , Método Simple Ciego , Estadísticas no Paramétricas , Factores de Tiempo , Resultado del Tratamiento , Vitamina B 12/efectos adversos
17.
Expert Opin Drug Saf ; 16(3): 381-385, 2017 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-28132578

RESUMEN

INTRODUCTION: Psoriasis (PSo) is a chronic inflammatory skin disease associated with co-morbidities such as hypertension, diabetes, dyslipidemia and metabolic syndrome. It is a typothypical Th1/Th17 disease that affects from 2 to 3% of the world population. Numerous are the drugs that can be used in our clinical practice; the choice of these drugs depends on the characteristics of the patient. Areas covered: Apremilast is the first oral small molecules to receive FDA approval for the treatment of adults with active psoriasis and psoriatic arthritis. It is a small-molecule that specifically inhibits the activity of cyclic AMP phosphodiesterase-4 (PDE4). Several analyses have been performed on data from phase III studies to assess apremilast safety and efficacy on psoriasis and psoriatic arthritis (PsA). Apremilast could also represent a treatment opportunity for those patients unresponsive to both systemic and biological agents or whose treatment was contraindicated. Expert opinion: For its safety profile and easy route of administration, apremilast may offer an oral treatment option for those patients that discontinue treatments because of ineffectiveness, intolerability or ineligibility to the currently available drugs.


Asunto(s)
Artritis Psoriásica/tratamiento farmacológico , Psoriasis/tratamiento farmacológico , Talidomida/análogos & derivados , Administración Oral , Adulto , Antiinflamatorios no Esteroideos/administración & dosificación , Antiinflamatorios no Esteroideos/efectos adversos , Antiinflamatorios no Esteroideos/uso terapéutico , Artritis Psoriásica/patología , Humanos , Inhibidores de Fosfodiesterasa 4/administración & dosificación , Inhibidores de Fosfodiesterasa 4/efectos adversos , Inhibidores de Fosfodiesterasa 4/uso terapéutico , Psoriasis/patología , Talidomida/administración & dosificación , Talidomida/efectos adversos , Talidomida/uso terapéutico
18.
Int J Immunopathol Pharmacol ; 29(4): 796-804, 2016 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-27207444

RESUMEN

Actinic keratosis (AK) represents an emerging issue in the area of skin diseases which undergo high risk for developing squamous cell carcinoma (SCC). Recently, evidence has been accumulated that 3% diclofenac sodium and ingenol mubetate may efficiently counteract the development of progressive AK even if the pharmacoeconomic impact of such a treatment remains poorly defined. With the objective of assessing the efficacy of 3% diclofenac sodium versus ingenol mebutate, a comparative cost-efficacy analysis was performed between both pharmacological treatments. In the present analysis, data of efficacy of clinical studies were combined with information on the quality of life associated with AK lesions based on available literature data. Furthermore, the cost associated with the management of these lesions in Italy has been taken into account. To this purpose, we carried out a literature survey on the clinical and economic data among clinical reports available in Italy based on the assessment of related expenditure of public resources and their relationship with the subsequent health benefits.


Asunto(s)
Diclofenaco/uso terapéutico , Diterpenos/uso terapéutico , Queratosis Actínica/tratamiento farmacológico , Análisis Costo-Beneficio , Humanos , Italia , Calidad de Vida , Resultado del Tratamiento
19.
J Biol Regul Homeost Agents ; 29(3): 723-8, 2015.
Artículo en Inglés | MEDLINE | ID: mdl-26403416

RESUMEN

Photoageing represents the addition of extrinsic chronic ultraviolet radiation-induced damage on intrinsic ageing and accounts for most age-associated changes in skin appearance. In this study, we evaluated the effect of 38% BPF, a highly concentrated extract of the bergamot fruit (Citrus bergamia) on UVB-induced photoageing by examining inflammatory cytokine expression, telomere length/telomerase alterations and cellular viability in human immortalized HaCaT keratinocytes. Our results suggest that 38% BPF protects HaCaT cells against UVB-induced oxidative stress and markers of photoageing in a dose-dependent manner and could be a useful supplement in skin care products. Together with antioxidant properties, BPF, a highly concentrated extract of the bergamot fruit, appears to modulate basic cellular signal transduction pathways leading to anti-proliferative, anti-aging and immune modulating responses.


Asunto(s)
Citrus/química , Queratinocitos/metabolismo , Polifenoles/farmacología , Envejecimiento de la Piel , Telomerasa/metabolismo , Telómero/metabolismo , Rayos Ultravioleta/efectos adversos , Línea Celular Transformada , Humanos , Queratinocitos/patología , Estrés Oxidativo/efectos de los fármacos , Estrés Oxidativo/efectos de la radiación , Polifenoles/química , Envejecimiento de la Piel/efectos de los fármacos , Envejecimiento de la Piel/efectos de la radiación
20.
Int J Immunopathol Pharmacol ; 28(2): 270-3, 2015 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-25875603

RESUMEN

Antiphospholipid syndrome (APS) is a hypercoagulable state that leads to thrombosis and recurrent pregnancy loss related to the presence of antiphospholipid antibodies (LAC, anticardiolipin, antiA2-glycoprotein). Among cutaneous manifestations, livedo reticularis is the most frequent form of APS. In the literature, there are rare cases associated with diffuse skin necrosis (widespread skin necrosis) and intravascular thrombosis in the small vessels of the dermis. We describe the case of a 44-year-old man with positive anticardiolipin antibodies and protein S deficiency that developed scattered, bullous skin lesions, haemorrhagic in appearance with signs of necrosis as first clinical manifestation of antiphospholipid syndrome.


Asunto(s)
Anticuerpos Anticardiolipina/efectos adversos , Anticuerpos Antifosfolípidos/efectos adversos , Síndrome Antifosfolípido/complicaciones , Enfermedades de la Piel/etiología , Piel/patología , Adulto , Anticuerpos Anticardiolipina/metabolismo , Anticuerpos Antifosfolípidos/metabolismo , Síndrome Antifosfolípido/metabolismo , Humanos , Masculino , Necrosis/etiología , Necrosis/metabolismo , Piel/metabolismo , Enfermedades de la Piel/metabolismo , Trombosis/etiología , Trombosis/metabolismo
SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA