Search results for "STAGE"
showing 10 items of 1393 documents
Morphological and attachment changes of Lamellodiscus theroni (Monogenea: Diplectanidae) during its post-larval development on fish.
2014
Species of the genus Lamellodiscus Johnston et Tiegs, 1922 (Monogenea: Diplectanidae) are characterised by a complex haptor bearing many different attachment elements: two pairs of main hooks joined by medial bars, 14 peripheral marginal hooks and one or two lamellodiscs, formed by several overlapping sclerotised plates (lamellae). These haptoral structures appear gradually during parasite development and, therefore, attachment strategies vary with developmental stage. The main aim of this work was to study the developmental changes of Lamellodiscus theroni Amine, Euzet et Kechemir-Issad, 2007 under experimental conditions, with special attention to the gradual variations in attachment stra…
Challenging management of gingival squamous cell carcinoma: a 10 years single-center retrospective study on Northern-Italian patients.
2020
Background Aim of this study was to describe the outcome of patients with gingival squamous cell carcinoma (GSCC), and to recognize aspects affecting clinical course and to consider survival rate. Material and Methods The case records of patients, over a 10-year period, were retrospectively examined. Differences in distribution of the potential risk factors by prognosis were investigated through non-parametrical tests (Wilcoxon Rank-Sum and Fisher’s Exact). Survival curves for age, therapy and stage were built by the Kaplan-Meier method and compared with Log-Rank test. Results 79 patients were analysed. Significant increase in mortality for patients older than 77 and for those with advanced…
Integrated stratigraphy of the Oligocene pelagic sequence in the Umbria- Marche basin (north-eastern Apennines, Italy): A potential Global Stratotype…
2008
The Oligocene represents an important time period from a wide range of perspectives and includes signifi cant climatic and eustatic variations. The pelagic succession of the Umbria-Marche Apennines (central Italy) includes a complete and continuous sequence of marly limestones and marls, with volcaniclastic layers that enable us to construct an integrated stratigraphic framework for this time period. We present here a synthesis of detailed biostratigraphic, magnetostratigraphic, and hemostratigraphic studies, along with geochronologic results from several biotite-rich volcaniclastic layers, which provide the means for an accurate and precise radiometric calibration of the Oligocene time sca…
Conodont association of the Bashkirian-Moscovian boundary interval of the Donets Basin, Ukraine
2018
Ten sections spanning the Bashkirian-Moscovian boundary interval were studied in the Donets Basin. Six of them contain most representative conodont and foraminifer associations. In this paper we focused on three the most complete sections that include stratigraphically important conodont species, which belong to the Declinognathodus, Idiognathoides, Idiognathodus, Neognathodus, “Streptognathodus”, Mesogondolella and Diplognathodus genera. The majority of those species are widely distributed, which makes the correlation to other areas reliable. Two biotic events in conodont evolution were discovered in these sections. Two conodont lineages established here are considered as potential markers…
Comparison of results of combined liver-kidney transplantation vs. isolated liver transplantation
2013
Introduction. Combined liver-kidney transplantation (LKT) is the best therapeutic option for patients with end-stage liver and kidney disease. Objectives. To analyze baseline characteristics and clinical outcome of LKT compared to isolated liver transplantation (LT). Material and methods. The study included 16 LKT performed between 1998 and 2006 and 32 LT matched by age, sex, date and indication for transplantation. Demographic, pretransplant, post-transplant and survival variables were analyzed. Results. As planned by the study design, mean age, distribution by sex and indication for LT were similar between groups. The most common indication for LT was HCV- and/or alcohol-induced cirrhosis…
Metabolomics discloses donor liver biomarkers associated with early allograft dysfunction
2014
Background & Aims Early allograft dysfunction (EAD) dramatically influences graft and patient outcome after orthotopic liver transplantation and its incidence is strongly determined by donor liver quality. Nevertheless, objective biomarkers, which can assess graft quality and anticipate organ function, are still lacking. This study aims to investigate whether there is a preoperative donor liver metabolomic biosignature associated with EAD. Methods A comprehensive metabolomic profiling of 124 donor liver biopsies collected before transplantation was performed by mass spectrometry coupled to liquid chromatography. Donor liver grafts were classified into two groups: showing EAD and immediate g…
Taenia Species, Uterine Branches and Capsule Endoscopy
2018
Hamada et al. show, in their article, several proglottids of an adult stage of a Taenia species in the small bowel of a woman by capsule endoscopy (1). One of the images clearly shows a gravid proglottid that allows the view of the characteristic Taenia uterus morphology, with a central axis and a n
Climate warming and disease risks in temperate regions – Argulus coregoni and Diplostomum spathaceum as case studies
2006
AbstractThe link between climate changes and disease risks from various pathogens has been increasingly recognized. The effect of climatic factors on host–parasite population dynamics is particularly evident in northern latitudes where the occurrence and transmission of parasites are strongly regulated by seasonality-driven changes in environmental temperatures. Shortened winter periods would increase growth potential of many parasite populations. The ways in which climate warming could affect life history dynamics of the directly transmitted crustacean ectoparasite Argulus coregoni and complex life cycle trematode Diplostomum spathaceum, which frequently cause problems in northern fish far…
Decoupled Control Scheme of Grid-Connected Split-Source Inverters
2017
During the last few years, single-stage power conversion systems has undergone a fast evolution to replace the conventional two-stage architecture, which includes a front-end dc-dc boost converter (BC) and an output voltage source inverter (VSI) [1]. This evolution has grown up to improve the overall system performance in terms of reducing its size, weight, and complexity. Most of these single-stage topologies and their different modulation schemes have been reviewed in [1]. Among these different single-stage options, the split-source inverter (SSI), shown in Figure 1, has been recently proposed in [2] as a single-stage dc-ac power converter topology to overcome some demerits in the other s…
Besondere Kreislaufreaktionen im akuten Stadium der Sch�del-Hirnsch�digungen
1963
Die Kreislaufanalyse bei 1639 Schadel-Hirnverletzten im akuten Stadium hat ergeben, das echte Schocksyndrome mit schwerem Kreislaufkollaps auffallend selten zur Beobachtung gelangen und vorwiegend nur dann, wenn erheblichere Nebenverletzungen (abdominal, thoracal, Extremitaten) bestehen. Sehr viel haufiger ist dagegen eine sogenannte hypertonische Kreislaufreaktion im akuten Stadium zu sehen, insbesondere in Fallen mit einer alleinigen Schadel-Hirnschadigung (ohne anderweitige Nebenverletzungen). Der Schweregrad der hypertonischen Reaktion scheint in manchen Fallen der Schwere der Verletzung zu entsprechen, da systolische Druckanstiege um 200 mg Hg und mehr fast ausschlieslich in Fallen mit…