A Novel Hybrid PSO-K-Means Clustering Algorithm Using Gaussian Estimation of Distribution Method and Lévy Flight

Clustering is an important data analysis technique, which has been applied to many practical scenarios.However, many partitioning based clustering algorithms are sensitive to the initial state of cluster centroids, may get trapped in a local optimum, and have poor robustness.In recent years, particle swarm optimization (PSO) has been regarded as an

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Hypoxemia with stress cardiomyopathy following liver transplant: Is there a role for nitric oxide? - A case report

Patients with liver disease can have varied cardiac manifestations including pulmonary arteriovenous dilatation.The stress of surgery associated with catecholamine surges can also potentiate stress-related changes.We report management of hypoxemia in a patient who underwent liver transplantation.Although her preoperative oxygenation (SpO2 97%) meas

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