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Evaluation of left ventricular filling pressure plays an important role in the clinical management of pulmonary hypertension. However, the accuracy of echocardiographic parameters for the determination of left ventricular filling pressure in the presence of pulmonary vascular lesions has not been fully addressed. We retrospectively investigated 124 patients with pulmonary hypertension due to pulmonary vascular lesions (noncardiac pulmonary hypertension group) and 113 patients with ischemic heart disease (control group) who underwent right heart catheterization and echocardiography. The noncardiac pulmonary hypertension group was subdivided into less-advanced and advanced groups according to median pulmonary vascular resistance. Pulmonary artery wedge pressure was determined as left ventricular filling pressure. As echocardiographic parameters of left ventricular filling pressure, the ratio of early- (E) to late-diastolic transmitral flow velocity (E/A), ratio of E to early-diastolic mitral annular velocity (Eers may not accurately reflect left ventricular filling pressure. Elevated pulmonary vascular resistance would lower the E, even when pulmonary artery wedge pressure is elevated, resulting in blunting of echocardiographic parameters for the detection of elevated left ventricular filling pressure.The existence of microvasculopathy in patients with chronic thromboembolic pulmonary hypertension has been suggested. Recently, dual-energy computed tomography has been used to produce a sensitive iodine distribution map in lung fields to indicate microvasculopathy according to poor subpleural perfusion. Our aim was to evaluate the impact of microvasculopathy on pathophysiology in chronic thromboembolic pulmonary hypertension. According to the extent of poor subpleural perfusion, ninety-three interventional treatment-naïve patients were divided into poorly perfused (n = 49) or normally perfused group (n = 44). We assessed cardiopulmonary exercise test, right heart catheterization, and dual-energy computed tomography parameters for quantitative evaluation of lung perfusion of blood volume score. Lung perfusion of blood volume score in normally perfused group was significantly inversely correlated with pulmonary vascular resistance (pulmonary vascular resistance = 6816.1 × lung perfusion of blood volume score-0.793, R2 = 0.225, p  less then  0.01), but lung perfusion of blood volume score in poorly perfused group was not. Poorly perfused group had higher pulmonary vascular resistance (879 ± 409 dynes-s/cm5 vs. 574 ± 279 dynes-s/cm5, p  less then  0.01) and lower lung perfusion of blood volume score (22.1 ± 5.4 vs. 26.4 ± 6.6, p  less then  0.01) and % diffusing capacity for carbon monoxide divided by the alveolar volume (59.9 ± 15.4% vs. 78.8 ± 14.2%, p  less then  0.01). Perfusion of blood volume score in the normally perfused group showed an inverse correlation with pulmonary vascular resistance; however, that in poorly perfused group did not. Microvasculopathy might contribute to severe hemodynamics, apart from pulmonary vascular obstruction. In our experience, more than half of treatment-naïve chronic thromboembolic pulmonary hypertension patients have microvasculopathy.Triple combination therapy is suggested in current pulmonary arterial hypertension guidelines in case of unsatisfactory treatment with oral double combination therapy. However, there is a lack of evidence concerning some of the drug combinations currently employed. We demonstrate the clinical and hemodynamical benefits of inhaled iloprost as third add-on therapy in idiopathic pulmonary arterial hypertension.Macitentan is a safe and effective substance for treatment of adults with pulmonary arterial hypertension. Data on its use in paediatric patients are limited. In this single-centre prospective study, we report on our experience with macitentan in children focusing on applicability and practical aspects. Between December 2014 and July 2018, macitentan was introduced to paediatric patients according to a dosing protocol adjusted to body weight. Blood pressure, heart rate, saturation and clinical symptoms were recorded daily during introduction. Liver function parameters and haemoglobin levels were measured at baseline, four weeks and three months after initiation and after one year of treatment. Twenty-four patients (14 male, 10 female) were enrolled for treatment with macitentan. The mean age was 10.7 ± 7.6 years (range 0.1 year-23 years). Fifteen out of 24 patients were World Health Organization functional class (FC) II, 7 patients in FC III and 2 patients in FC IV. Twenty out of 24 patients (83%) received additional advanced therapy with sildenafil and/or prostacyclines. We had two early discontinuations because of clinical relevant oedema. In the remaining 22 patients, macitentan was well tolerated. Liver function parameters and blood count levels remained stable during the observational time. The introduction of macitentan was feasible and mostly well tolerated in paediatric patients. Special attention should be paid to oedema during introduction of the drug. To the best of our knowledge, this is the first study to report on its applicability in infants and children. However, larger prospective trials are warranted to verify these preliminary findings.SARS-CoV-2 (COVID-19) is associated with increased thrombosis. Here, we demonstrate patterns of pulmonary vascular disease in COVID-19 including classical acute pulmonary embolism and subsegmental perfusion defects in the absence of acute pulmonary embolism suggestive of microvascular thrombosis.Obturator hernias are classically difficult to diagnose, have a high mortality and are an uncommon cause of intestinal obstruction. They are usually found in thin, elderly female patients. We present a case of a misdiagnosed 89-year-old female who presented to accident and emergency with a short history of abdominal pain. The diagnosis of an incarcerated obturator hernia was confirmed after re-discussion of computed tomography scan with the consultant radiologist in the morning. https://www.selleckchem.com/Bcl-2.html The patient underwent emergency laparotomy and the defect reduced. The patient recovered well post-operation; however; on the fourth day post-operation, the patient suffered a cardiac arrest. We report this case as a reminder to our health care colleagues to be mindful of elderly female patients who present with small bowel obstruction due to the high risk of mortality of this type of hernia.
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