BACKGROUND: The dominant feature of COVID-19-associated ARDS is gas exchange impairment. Extravascular lung water index is a surrogate for lung edema and reflects the level of alveolocapillary disruption. The primary aim was the prediction of extravascular lung water index by the alveolar-arterial oxygen difference. The secondary aims were in determining the relationship between the extravascular lung water index and other oxygenation parameters, the [Formula: see text], end-tidal oxygen concentration, pulmonary oxygen gradient ([Formula: see text] minus end-tidal oxygen concentration), and [Formula: see text]. METHODS: This observational prospective single-center study was performed at the Department of Anaesthesiology and Intensive Care, The University Hospital in Ostrava, The Czech Republic, during the COVID-19 pandemic, from March 20, 2020, until May 24, 2021. RESULTS: The relationship between the extravascular lung water index and alveolar-arterial oxygen difference showed only a mild-to-moderate correlation (r = 0.33, P < .001). Other extravascular lung water index correlations were as follows: [Formula: see text] (r = 0.33, P < .001), end-tidal oxygen concentration (r = 0.26, P = .0032), [Formula: see text] minus end-tidal oxygen concentration (r = 0.15, P = .0624), and [Formula: see text] (r = -0.15, P = .01). CONCLUSIONS: The alveolar-arterial oxygen difference does not reliably correlate with the extravascular lung water index and the degree of lung edema in COVID-19-associated ARDS.
- MeSH
- COVID-19 * komplikace patofyziologie MeSH
- dospělí MeSH
- extravaskulární plicní voda * metabolismus MeSH
- kyslík * metabolismus MeSH
- lidé středního věku MeSH
- lidé MeSH
- plicní alveoly * metabolismus patofyziologie MeSH
- plicní edém etiologie patofyziologie MeSH
- prospektivní studie MeSH
- senioři MeSH
- syndrom dechové tísně * patofyziologie etiologie MeSH
- výměna plynů v plicích MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- pozorovací studie MeSH
- Geografické názvy
- Česká republika MeSH
The aim of this study was to develop and validate methods for the determination of vitamins B2, B9, E and A in serum using liquid chromatography with mass spectrometry (MS) detection. Vitamin analysis was performed using an ultra performance liquid chromatography combined with tandem MS. The compounds were separated on a BEH C18 RP column (2.1 × 100 mm, 1.7 μm) using a gradient elution with an analysis time of 10 min. Sample preparation included protein precipitation with ethanol. The concentration range in human serum was as follows: riboflavin 5-1000 nmol/L, folic acid 2.5-250 nmol/L, α-tocopherol 0.5-100 μmol/L and all-trans-retinol 25-2500 nmol/L. Accuracy and precision were validated according to Food and Drug Administration guidelines, with coefficients of variation ranging from 3.1-11.7% and recoveries from 94.4-107.5%. Routine monitoring of the complex range of vitamins in bariatric medicine is still not common. This is despite the fact that patients are at risk for glitch deficits, especially of a neurological nature. An analytical method that allows for the complex measurement of both water-soluble and fat-soluble vitamins is important and necessary for the clinical monitoring of bariatric patients. The method we have described could benefit both clinical practice and nutritional research.
- MeSH
- alfa-tokoferol * krev MeSH
- bariatrická chirurgie MeSH
- chromatografie kapalinová metody MeSH
- kyselina listová * krev MeSH
- lidé MeSH
- limita detekce MeSH
- lineární modely MeSH
- reprodukovatelnost výsledků MeSH
- riboflavin * krev MeSH
- tandemová hmotnostní spektrometrie * metody MeSH
- vitamin A * krev MeSH
- vysokoúčinná kapalinová chromatografie metody MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
OBJECTIVE: The menopausal transition is accompanied by transient symptoms that have been linked to subclinical cardiovascular disease (CVD); CVD has also been linked to air pollution. Physical activity (PA) reduces CVD, improves body composition, and can reduce menopausal symptoms. The purpose of this study was to assess the links between PA and menopausal symptoms and whether obesity, fitness, and air pollution status play a role in this relationship. METHODS: Women (40-60 y; N = 243; mean [SD] age, 47.8 [5.6] y) from areas with high versus low air pollution enrolled in the Healthy Aging in Industrial Environment Program 4 prospective cohort study completed psychological, cardiorespiratory fitness, body composition, and menopausal status screening followed by a 14-day prospective assessment of menopausal symptoms (Menopause Rating Scale) using a mobile application. Daily PA was assessed objectively across 14 days via Fitbit Charge 3 monitor. General linear mixed models were conducted and controlled for age, menopausal status, day in the study, wear time, and neuroticism. RESULTS: Peri/postmenopausal women ( β = 0.43, P < 0.001) and those residing in a high-air-pollution environment ( β = 0.45, P < 0.05) reported more somatovegetative symptoms. Hot flashes alone were associated with peri/postmenopausal status ( β = 0.45, P < 0.001), and for women residing in a high-air-pollution environment, lower reporting of hot flashes was observed on days when a woman was more physically active than usual ( β = -0.15, P < 0.001). No associations were found for cardiorespiratory fitness and visceral fat with any of the symptoms. CONCLUSIONS: PA may enhance resilience to hot flashes, especially when residing in high-air-pollution environments where we also observed higher reporting of somatovegetative menopausal symptoms.
- MeSH
- cvičení MeSH
- kardiovaskulární nemoci * MeSH
- lidé středního věku MeSH
- lidé MeSH
- menopauza psychologie MeSH
- návaly psychologie MeSH
- obezita MeSH
- prospektivní studie MeSH
- znečištění ovzduší * škodlivé účinky MeSH
- Check Tag
- lidé středního věku MeSH
- lidé MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
BACKGROUND: Age and reduction in performed physical activity cause physiological changes that include an increase in body fat (BF) and visceral fat (VF) during aging. These parameters, together with increased body mass (BM), are some of the risk factors of several noninfectious diseases. However, changes in body composition can be influenced by regular physical activity. Running is a suitable, accessible, and the most effective physical activity cultivating people. The objective of this study is to investigate the effects of long-term, regular PA, specifically recreational running, on changes in body composition among recreational adult runners covering a weekly distance of at least 10 km, compared with inactive adult individuals within the same age bracket. METHODS: The study included 1296 runners and inactive individuals (691 male and 605 female), divided into 5 age groups: 18-25, 26-35, 36-45, 46-55, and 56-65 years. Runners are as follows: ran ≥ 10 km/week, and inactive is as follows: did not follow the WHO 2020 physical activity recommendations. The measured parameters included BM, BF, and VF. To check statistical significance, the Mann-Whitney U-test was used. Practical significance was assessed using the effect of size. RESULTS: All age groups of runners were selected to include individuals who run at least 10 km per week. In fact, they ran, on average, from 21.6 to 31.4 km per week in relation to age and showed significantly lower values of BM, BMI, BF, and VF (p < 0.05) than inactive individuals. Exceptions included insignificant differences (p > 0.05) in BM and BMI in males in the age category of 18-25 and in females in the age category of 18-25 and 26-35. CONCLUSION: The selected runners had to run at least 10 km per week. Their actual average volume was significantly higher (from 21.6 to 31.4 km/week), and the results showed that it could lead to significantly better body composition values. It may lead to significant changes in body mass, body fat, and visceral fat. It may meet the contemporary societal expectations for physical activities that are both achievable and effective at the lowest possible volume.
- MeSH
- běh * fyziologie MeSH
- cvičení MeSH
- dospělí MeSH
- lidé MeSH
- mladiství MeSH
- složení těla MeSH
- tělesná hmotnost MeSH
- tuková tkáň MeSH
- Check Tag
- dospělí MeSH
- lidé MeSH
- mladiství MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
Obezita je závažné onemocnění, jehož incidence nadále celosvětově roste. Onemocnění asociovaná s obezitou vedou ke snížení kvality života a vyšší mortalitě (vysoký krevní tlak, dyslipidemie, diabetes mellitus 2. typu a další). Léčba obezity je multidisciplinární a komplexní proces, který vyžaduje důslednou spolupráci pacienta. Změna životního stylu je stavebním kamenem úspěšné terapie obezity. Farmakologická terapie zažívá v posledních letech renesanci a její role, jak už v mo- noterapii, tak i v kombinaci s jinými metodami, bude postupně nabývat na významu. Endoskopická terapie je rychle se vyvíjecí podobor digestivní endoskopie, která nabízí celou řadu nových metod redukujících například objem žaludku nebo bypass tenkého střeva. Metody jsou efektivní a zároveň mají nízké riziko komplikací. Chirurgická terapie je na druhou stranu vysoce účinná, nicméně je zatížena vyšším výskytem komplikací. Bariatrická chirurgie je určena především pro pacienty s pokročilým stadiem obezity s komorbiditami. Cílem této publikace je dát souhrnný přehled dosavadních endoskopických a chirurgických metod v léčbě obezity.
Obesity is a serious disease whose incidence continues to rise worldwide. Obesity-associated diseases lead to reduced quality of life and increased mortality (high blood pressure, dyslipidemia, type 2 diabetes mellitus, etc.). The treatment of obesity is a multidisciplinary and complex process that requires consistent patient cooperation. Lifestyle change is the cornerstone of successful obesity treatment. Pharmacological therapy has experienced a renaissance in recent years and its role, both in monotherapy and in combination with other methods, will gradually become more important. Endoscopic therapy is a rapidly evolving subfield of digestive endoscopy that offers a variety of new methods to reduce, for example, gastric volume or small bowel bypass. The methods are both effective and have a low risk of complications. Surgical therapy, on the other hand, is highly effective, but is burdened with a higher incidence of complications. Bariatric surgery is primarily for patients with advanced obesity with comorbidities. The aim of this publication is to give a comprehensive review of the current endoscopic and surgical methods in the treatment of obesity.
In this study, we aimed to comprehensively characterize the proteomic landscapes of subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) in patients with severe obesity, to establish their associations with clinical characteristics, and to identify potential serum protein biomarkers indicative of tissue-specific alterations or metabolic states. We conducted a cross-sectional analysis of 32 patients with severe obesity (16 males and 16 females) of Central European descent who underwent bariatric surgery. Clinical parameters and body composition were assessed using dual-energy X-ray absorptiometry (DXA) and bioelectrical impedance, with 15 patients diagnosed with type 2 diabetes (T2D) and 17 with hypertension. Paired SAT and VAT samples, along with serum samples, were subjected to state-of-the-art proteomics liquid chromatography-mass spectrometry (LC-MS). Our analysis identified 7,284 proteins across SAT and VAT, with 1,249 differentially expressed proteins between the tissues and 1,206 proteins identified in serum. Correlation analyses between differential protein expression and clinical traits suggest a significant role of SAT in the pathogenesis of obesity and related metabolic complications. Specifically, the SAT proteomic profile revealed marked alterations in metabolic pathways and processes contributing to tissue fibrosis and inflammation. Although we do not establish a definitive causal relationship, it appears that VAT might respond to SAT metabolic dysfunction by potentially enhancing mitochondrial activity and expanding its capacity. However, when this adaptive response is exceeded, it could possibly contribute to insulin resistance (IR) and in some cases, it may be associated with the progression to T2D. Our findings provide critical insights into the molecular foundations of SAT and VAT in obesity and may inform the development of targeted therapeutic strategies.NEW & NOTEWORTHY This study provides insights into distinct proteomic profiles of subcutaneous adipose tissue (SAT), visceral adipose tissue (VAT), and serum in patients with severe obesity and their associations with clinical traits and body composition. It underscores SAT's crucial role in obesity development and related complications, such as insulin resistance (IR) and type 2 diabetes (T2D). Our findings emphasize the importance of understanding the SAT and VAT balance in energy homeostasis, proteostasis, and the potential role of SAT capacity in the development of metabolic disorders.
- MeSH
- biologické markery metabolismus MeSH
- diabetes mellitus 2. typu * metabolismus MeSH
- inzulinová rezistence * MeSH
- lidé MeSH
- morbidní obezita * metabolismus MeSH
- nitrobřišní tuk metabolismus MeSH
- obezita metabolismus MeSH
- podkožní tuk metabolismus MeSH
- proteiny metabolismus MeSH
- proteomika MeSH
- průřezové studie MeSH
- tuková tkáň metabolismus MeSH
- Check Tag
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Umělá inteligence (AI) se stále více zapojuje do medicíny včetně gastroenterologie, což otevírá nové možnosti pro diagnostiku a léčbu onemocnění trávicího traktu. ChatGPT, AI model založený na architektuře GPT-4, má potenciál zrychlit diagnostiku a léčbu, personalizovat léčbu, vzdělávat a školit zdravotníky, podporovat rozhodování a zlepšovat komunikaci s pacienty. Avšak s využitím AI přicházejí i výzvy, jako omezená schopnost AI nahradit lidský úsudek, chyby v datech, otázky související s bezpečností a ochranou osobních údajů a náklady na implementaci. Budoucnost ChatGPT v gastroenterologii závisí na schopnosti zpracovávat a analyzovat velké množství dat pro identifikaci vzorů a tvorbu individuálních léčebných plánů. ChatGPT se díky pokroku v AI a strojovém učení stává přesnějším a efektivnějším, což umožní rychlejší diagnostiku a léčbu gastroenterologických onemocnění. V oblasti vzdělávání bude ChatGPT sloužit jako neocenitelný zdroj informací o nejnovějších výzkumných článcích a postupech. Přes výhody AI v gastroenterologii je důležité řešit otázky etiky, ochrany dat a spolupráce mezi AI a zdravotnickými odborníky. Zajištění správných protokolů a postupů umožní bezpečné a etické využití AI v medicíně. Ačkoli AI přináší významný potenciál pro zlepšení kvality péče, je třeba řešit výzvy spojené s ochranou dat, bezpečností a etikou.
Artificial intelligence (AI) is increasingly being incorporated into medicine, including gastroenterology, opening new possibilities for the diagnosis and treatment of digestive tract diseases. ChatGPT, an AI model based on the GPT-4 architecture, has the potential to accelerate diagnosis and treatment, personalize care, educate, and train healthcare professionals, support decision-making, and improve communication with patients. However, with the use of AI come challenges such as the limited ability of AI to replace human judgment, data errors, issues related to security and personal data protection, and implementation costs. The future of ChatGPT in gastroenterology depends on its ability to process and analyze large amounts of data to identify patterns and create individual treatment plans. Thanks to advancements in AI and machine learning, ChatGPT is becoming more accurate and efficient, enabling faster diagnosis and treatment of gastroenterological diseases. In the field of education, ChatGPT will serve as an invaluable source of information on the latest research articles and procedures. Despite the benefits of AI in gastroenterology, it is essential to address issues of ethics, data protection, and collaboration between AI and healthcare professionals. Ensuring proper protocols and procedures will enable the safe and ethical use of AI in medicine. Although AI offers significant potential for improving the quality of care, it is necessary to address challenges associated with data protection, security, and ethics.
- Klíčová slova
- ChatGPT,
- MeSH
- algoritmy MeSH
- analýza dat MeSH
- gastroenterologie * MeSH
- lidé MeSH
- umělá inteligence * MeSH
- Check Tag
- lidé MeSH
