Publications by authors named "Sigita Gelman"

Irritable bowel syndrome (IBS) lacks a clear understanding of the disease's pathogenesis and effective treatments thus producing frustration among providers and patients, leading to the stigmatization of the disease and the patients with the syndrome. A literature search was performed to make a hermeneutical review on empathic patient-provider communication and IBS. The relationship is defined by partners being dependent on one another in the pursuit of obtaining good outcomes.

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Portal hypertension (PH) in liver cirrhosis leads to increased gut permeability and the translocation of bacteria across the gut-liver axis. Microbial DNA has recently been detected in different blood compartments; however, this phenomenon has not been thoroughly analyzed in PH. This study aimed to explore circulating bacterial DNA signatures, inflammatory cytokines, and gut permeability markers in different blood compartments (peripheral and hepatic veins) of patients with cirrhosis and PH.

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Background: Degree of portal hypertension (PH) is the most important prognostic factor for the decompensation of liver cirrhosis and death, therefore adequate care for patients with liver cirrhosis requires timely detection and evaluation of the presence of clinically significant PH (CSPH) and severe PH (SPH). As the most accurate method for the assessment of PH is an invasive direct measurement of hepatic venous pressure gradient (HVPG), the search for non-invasive methods to diagnose these conditions is actively ongoing.

Aim: To evaluate the feasibility of parameters of endogenously induced displacements and strain of liver to assess degree of PH.

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Background: Clinically significant portal hypertension (CSPH) and severe portal hypertension (SPH) increase the risk for decompensation and life-threatening complications in liver cirrhosis. Pathologic angiogenesis might contribute to the formation of these conditions. Placental growth factor (PlGF) and Nogo-A protein are biomarkers of pathological angiogenesis, but data on their role in liver cirrhosis and portal hypertension is scarce.

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Objectives: The paper presents the results of an initial clinical study, which were obtained using the strain elastography imaging method based on radio frequency ultrasound signal analysis.

Methods: The technique employs endogenous motion of the liver induced by beating heart and vascular pulsatility as an excitation source of tissue microdisplacement. The potential for fibrotic tissue characterization was demonstrated using a clinical data set of radio frequency ultrasound signals (23 healthy controls, 21 subjects with hepatitis, and 16 subjects with liver cirrhosis).

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Background: The acetylcholinesterase (AChE) histochemical staining of intestinal mucosal-submucosal biopsy specimens is believed to be the most reliable diagnostic method for Hirschsprung's disease (HD). The aim of our study was to evaluate advantages and disadvantages of this method for HD diagnosis in infants and neonates.

Material And Methods: The results of AChE histochemistry of rectal biopsy specimens, obtained from 11 neonates and 29 infants treated in the Clinic of Pediatric Surgery, Hospital of the Lithuanian University of Health Sciences, from 1991 to 2010 were analyzed.

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