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Landiolol is an ultra-short-acting, selective β1-adrenergic receptor blocker that was originally approved in Japan for the treatment of intraoperative tachyarrhythmias. It has gained attention for its use in the management of tachyarrhythmias and perioperative tachycardia, especially atrial fibrillation for both cardiac and non-cardiac surgeries. It can be the ideal agent for heart rate control due to its high β1-selectivity, potent negative chronotropic effect, a limited negative inotropic potential, and an ultrashort elimination half-life (around 4 min); moreover, it may have a potential therapeutic effects for sepsis and pediatric patients. Landiolol seems to be superior to other short-acting and selective beta-blockers such as esmolol. This review aims to provide a comprehensive overview of landiolol, a new ultra-short-acting β1 selective antagonist, including its pharmacology, clinical applications, efficacy, safety profile, and future directions in research and clinical data. [ABSTRACT FROM AUTHOR]

Irritable bowel syndrome (IBS) has a global prevalence of around 4.1% and is associated with a low quality of life and increased healthcare costs. Current guidelines recommend that IBS is diagnosed using the symptom-based Rome IV criteria. Despite this, when patients seek medical attention, they are usually over-investigated. This issue might be resolved by novel technologies in medicine, such as the use of Artificial Intelligence (AI). In this context, this paper aims to review AI applications in IBS. AI in colonoscopy proved to be useful in organic lesion detection and diagnosis and in objectively assessing the quality of the procedure. Only a recently published study talked about the potential of AI-colonoscopy in IBS. AI was also used to study biofilm characteristics in the large bowel and establish a potential relationship with IBS. Moreover, an AI algorithm was developed in order to correlate specific bowel sounds with IBS. In addition to that, AI-based smartphone applications have been developed to facilitate the monitoring of IBS symptoms. From a therapeutic standpoint, an AI system was created to recommend specific diets based on an individual's microbiota. In conclusion, future IBS diagnosis and treatment may benefit from AI. [ABSTRACT FROM AUTHOR]

Atrial fibrillation, the most frequent arrhythmia in clinical practice and chronic coronary syndrome, is one of the forms of coronary ischemia to have a strong dual relationship. Atrial fibrillation may accelerate atherosclerosis and may increase oxygen consumption in the myocardium, creating a mismatch between supply and demand, thus promoting the development or worsening of coronary ischemia. Chronic coronary syndrome alters the structure and function of gap junction proteins, affecting the conduction of action potential and leading to ischemic necrosis of cardiomyocytes and their replacement with fibrous tissue, in this way sustaining the focal ectopic activity in atrial myocardium. They have many risk factors in common, such as hypertension, obesity, type 2 diabetes mellitus, and dyslipidemia. It is vital for the prognosis of patients to break this vicious circle by controlling risk factors, drug therapies, of which antithrombotic therapy may sometimes be challenging in terms of prothrombotic and bleeding risk, and interventional therapies (revascularization and catheter ablation). [ABSTRACT FROM AUTHOR]

Introduction. Multichannel intraluminal esophageal impedance combined to pH-metry (pH-MII) is a sensitive tool for evaluating gastroesophageal reflux disease (GERD). The impedance-pH monitoring diagnostic test determines the frequency of reflux episodes (both acid or nonacid and liquid, gas or mixed) and the time relationship of reflux episodes and symptoms. Extradigestive manifestations and refractory GERD are two of the main recommendations for the assessment of upper digestive tract by pH-MII. Material and method. We conducted a prospective study between January 2022 - March 2023 at our tertiary referral center in North-Eastern Romania that included 26 patients suspected of GERD. All patients were investigated through pHMII. We used a ZepHr® system from Sandhill Scientific and single-use catheters with one pH electrode and 6 impedance electrodes. Patients who underwent MII-pH testing for refractory GERD were tested on proton pump inhibitor (PPI), while patients with no previous evidence of GERD were assessed off PPI. The diagnosis of GERD and phenotypes were based on Lyon metrics. Results. Out of the 26 patients, 14 (53.8%) were male and 12 (46.2%) female, with a mean age of 48.6±13.5 years. Nineteen patients (73.07%) presented with extradigestive GERD symptoms, of whom 7 patients (36.8%) with chronic cough, 7 patients (36.8%) with chronic laryngitis, 4 patients (21.05%) with non-cardiac chest pain and 1 patient (5.26%) with bronchial asthma. The rest of 7 (26.92%) patients were investigated for refractory GERD. After the final analysis of pH-MII tracks, we found GERD in 10 (38.5%) patients, functional heartburn in 6 (23.1%) patients and hypersensitive esophagus in 3 (15.4%) patients. All the 10 patients diagnosed with GERD had acid reflux, with a mean DeMeester Score of 46.7±83.8 and a mean AET of 12.8±20.9%. The mean total number of GERD episodes was 100.3±7.5 and the mean longest reflux episode was of 53.7±85.7 minutes. Conclusion. Multichannel intraluminal esophageal impedance combined to pH-metry represents an important instrument for assessing extradigestive GERD and refractory GERD. [ABSTRACT FROM AUTHOR]