Publications by authors named "Michal Bieniecki"

Introduction: Surgery, particularly thoracotomy in the thoracic area in infancy has been implicated in the development of scoliosis of thoracogenic origin. The aim of this study was to determine the influence of lateral thoracotomy on scoliosis development in subjects with patent ductus arteriosus.

Material And Methods: A group of 69 patients with patent ductus arteriosus was evaluated.

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Introduction: Total Hip Replacement (THR) is a valuable treatment for severe osteoarthritis of the hip. The aim of this study was to evaluate the influence of THR on Health-Related Quality of Life of patients with osteoarthritis of the hip.

Material: A group of 24 patients undergoing THR were evaluated (21 women and 3 men).

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A capillary electrophoresis (CE) and a reversed phase high-performance liquid chromatography (RP-HPLC) method with UV detection have been developed for florfenicol analysis in plasma samples. The suitabilities of both methods for quantitative determination of florfenicol were approved through validation specification, such as linearity, precision, selectivity, accuracy, limit of detection and quantification. The capillary electrophoresis (CE) and high-performance liquid chromatography (HPLC) assay were compared by analyzing a series of plasma samples containing florfenicol in different concentrations using the two methods.

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A reversed-phase high-performance liquid chromatographic method with electrochemical detection for the quantitative determination of diclofenac potassium in plasma was developed. Naproxen was used as the internal standard. The drug and internal standard were isolated from plasma by extraction with dichloromethane and 2 M hydrochloric acid.

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A capillary electrophoretic (CE) method has been developed for the determination of ivermectin (CAS 70288-86-7), a new generation drug with antiparasitic activity, in pig and horse plasma. The method was statistically validated for its linearity, accuracy, precision and selectivity. The linear range was from 1 to 30 ng mL(-1) with correlation coefficients greater than 0.

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