Publications by authors named "Sandor A"

Background: Patients undergoing bariatric surgery may be at increased risk for postsurgical opioid dependence, highlighting a need for opioid-sparing anesthesia.

Objectives: Liposomal bupivacaine (LB), a prolonged release formulation of bupivacaine, may improve postoperative pain management and reduce postsurgical opioid use. This retrospective claims-database study investigated the effects of LB versus non-LB analgesia on opioid use and healthcare resource utilization (HCRU) in patients receiving laparoscopic sleeve gastrectomy (SG).

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Carotid artery stenosis (CAS) often requires surgical intervention through carotid endarterectomy (CEA) to prevent stroke. Accurate cerebrovascular risk assessments are crucial in CEA, as poor collateral circulation can lead to insufficient interhemispheric blood flow compensation, resulting in ischemic complications. Therefore, understanding perioperative risk determinants is vital.

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Background: Potentially zoonotic pathogens have been previously detected in bat-associated ticks, but their role in disease transmission and their frequency of feeding on non-bat hosts is poorly known.

Methodology/principal Findings: We used molecular blood meal analysis to reveal feeding patterns of the bat-associated tick species Ixodes ariadnae, I. simplex, and I.

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Birds are long-known as important disseminators of ixodid ticks, in which context mostly their latitudinal, south-to-north migration is considered. However, several bird species that occur in the eastern part of the northern Palaearctic are known to migrate westward. In this study, a female tick collected from the sedge warbler, , in Lithuania was identified morphologically and analyzed with molecular-phylogenetic methods.

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Article Synopsis
  • Research identified different strains of Bartonella sp. in bats and their ectoparasitic mites, highlighting a gap in studies focused on bacterial pathogens in insectivorous bats of boreal forests.
  • Molecular analysis of mite samples from bats across the Palearctic region revealed Bartonella DNA in several mite species, with larger mite pools showing a higher prevalence of these bacteria.
  • The presence of Bartonella spp. was linked to cave-dwelling bats and generalist mites, suggesting that these mites could act as reservoirs, maintaining and potentially spreading Bartonella infections within bat populations.
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Pleckstrin homology-like domain family A-member 3 (PHLDA3) has recently been identified as a player in adaptive and maladaptive cellular stress pathways. The outcome of pleckstrin homology-like domain family A-member 3 signalling was shown to vary across different cell types and states. It emerges that its expression and protein level are highly increased in amyotrophic lateral sclerosis (ALS) patient-derived astrocytes.

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Vine disease detection is considered one of the most crucial components in precision viticulture. It serves as an input for several further modules, including mapping, automatic treatment, and spraying devices. In the last few years, several approaches have been proposed for detecting vine disease based on indoor laboratory conditions or large-scale satellite images integrated with machine learning tools.

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There are controversial data about the effect of carotid endarterectomy regarding postoperative cognitive function. Our aim was to analyze the effect of cerebral tissue saturation monitored by near-infrared spectroscopy (NIRS) on cognitive function. Perioperative data of 103 asymptomatic patients undergoing elective carotid surgery under general anesthesia were analyzed.

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An expeditious synthesis of γ- and δ-lactams from tethered alkenyl trichloroacetamides in the presence of 5% of RuCl(PPh) is reported. In this investigation we have demonstrated that microwave activation significantly enhances reaction rates, leading to the formation of the corresponding lactams in yields ranging from good to excellent. Thus, we have been able to prepare a wide range of lactams, including indole and morphan bicyclic scaffolds, where the corresponding reactions were completely diastereoselective.

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This review aims to explore advancements in perioperative ischemic stroke risk estimation for asymptomatic patients with significant carotid artery stenosis, focusing on Circle of Willis (CoW) morphology based on the CTA or MR diagnostic imaging in the current preoperative diagnostic algorithm. Functional transcranial Doppler (fTCD), near-infrared spectroscopy (NIRS), and optical coherence tomography angiography (OCTA) are discussed in the context of evaluating cerebrovascular reserve capacity and collateral vascular systems, particularly the CoW. These non-invasive diagnostic tools provide additional valuable insights into the cerebral perfusion status.

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Background: Fleas are important hematophagous insects, infesting mammals and birds with a worldwide distribution. Fleas of medical importance have been reported from various carnivores worldwide, such as felids, canids, or mustelids. Romania hosts a wide carnivore diversity, but very little is known about flea species that parasitize these animals in Romania.

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Article Synopsis
  • This study examines how bank voles adapt to different climates across Europe by analyzing genetic data and geographic climate variations.
  • Researchers identified 213 candidate loci for adaptation, with 74 linked to specific genes, particularly those involved in lipid metabolism and the immune system.
  • The findings highlight that both population history and climate significantly impact the genetic variation in these voles, indicating annual mean temperature as a key factor in their adaptive evolution.
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Considering the pivotal role of angiogenesis in solid tumor progression, we developed a novel series of quinazoline-thiazole hybrids () as antiproliferative and anti-angiogenic agents. Four out of the seven compounds displayed superior antiproliferative activity (IC =1.83-4.

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Bat flies are one of the most abundant ectoparasites of bats, showing remarkable morphological adaptations to the parasitic habit, while the relationship with their hosts is characterized by a high level of specificity. By collecting bat flies from live hosts, our intention was to elucidate the seasonal differences in bat fly occurrence and to describe factors regulating the level of incipient host specificity. Our results indicate that the prevalence and the intensity of infestation is increasing from spring to autumn for most host species, with significant differences among different fly species.

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Background: Arthropods parasites of bats play a crucial role in both ecological and public health contexts, as they have the potential to transmit zoonotic agents. The study aims to identify the distribution, and host-parasite associations of bat ectoparasites in the Grand Maghreb region (Algeria, Libya, Mauritania, Morocco and Tunisia), which has been largely understudied.

Methods: A thorough analysis of published records was conducted and we included our own field data.

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Four Ixodes species represent the subgenus Scaphixodes Schulze, 1941 in Europe, but none of them were reported to be compared in a molecular-phylogenetic context. This study compensates for this lack of data. A tick larva, morphologically identified as Ixodes (Scaphixodes) caledonicus Nuttall, 1910, was collected from an Alpine swift (Tachymarptis melba) during its nesting period in Transylvania, Romania.

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Background: Toxoplasma gondii is a protozoan parasite that infects a large spectrum of warm-blooded animals, including humans. Small rodents and insectivores play an important role in the epidemiology of T. gondii and may serve as a source of infection for both, domestic and wild definitive felid hosts.

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The endoplasmic reticulum (ER) is a dynamic organelle that is amenable to major restructuring. Introduction of recombinant ER-membrane-resident proteins that form homo oligomers is a known method of inducing ER proliferation: interaction of the proteins with each other alters the local structure of the ER network, leading to the formation large aggregations of expanded ER, sometimes leading to the formation of organized smooth endoplasmic reticulum (OSER). However, these membrane structures formed by ER proliferation are poorly characterized and this hampers their potential development for plant synthetic biology.

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Article Synopsis
  • Bats are crucial in the study of zoonotic pathogens due to their complex lifestyles and ability to travel long distances, spreading various bacteria and parasites, including those carried by ectoparasites like ticks.
  • The study employed high-throughput screening and identified multiple bacterial pathogens and a protozoan parasite in samples from bats and their associated ectoparasites, highlighting the significant role of bats in maintaining the spread of these pathogens.
  • These findings stress the importance of increased surveillance and research on zoonotic pathogens from bats, as emerging threats pose risks to both human and animal health.
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Most wild mammals can serve as hosts both for tick-borne pathogens (TBPs) and for the ticks themselves. Among these, wild boars, due to their large body size, habitat and life span, show high exposure to ticks and TBPs. These species are now one of the widest-ranging mammals in the world, as well as the most widespread suid.

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Purpose: The frailty concept has become a fundamental part of daily clinical practice. In this study our purpose was to create a risk estimation method with a comprehensive aspect of patients' preoperative frailty.

Patients And Methods: In our prospective, observational study, patients were enrolled between September 2014 and August 2017 in the Department of Cardiac Surgery and Department of Vascular Surgery at Semmelweis University, Budapest, Hungary.

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Article Synopsis
  • The epidermal growth factor receptor (EGFR) is crucial in cancer development, and targeting its mutant forms has led to three generations of approved inhibitors.
  • The quinazoline structure is particularly effective for creating new EGFR inhibitors because it binds well to the active site of the EGFR kinase.
  • This review discusses the structural changes that enhance the effectiveness against common and resistant EGFR mutants, and highlights new quinazoline derivatives being developed as potential inhibitors.
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Reports on adult ticks in certain regions of the Carpathian Basin date back to the 19th century. These ticks were thought to emerge from nymphs dropping from birds, then molting to adults. Although the role of migratory birds in carrying ticks of this genus is known from all parts of Europe, in most countries no contemporaneous multiregional surveillance of bird-associated ticks was reported which could allow the recognition of hotspots in this context.

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  • Bat gut microbiomes are closely linked to the diets of different bat species, affecting the diversity and structure of their microbial communities.
  • A study analyzed the gut microbiomes of five bat species with varied diets and habitats, uncovering significant differences in network complexity and unique microbial nodes among them.
  • Results indicated that Myotis myotis had the most complex microbiome network, while Myotis vivesi had the least, highlighting the impact of diet on microbial community assembly and functional capabilities.
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To obtain new data on the species diversity, host associations and spatiotemporal occurrence of flies and blood-sucking lice of veterinary importance in Malta, ectoparasites were collected at cattle, sheep and goat, pig farms, as well as dog shelters, and in two places in the absence of domestic animals. The species were identified morphologically, but voucher specimens were also analyzed with molecular-phylogenetic methods following DNA extraction. Altogether 3,095 flies (Diptera: Muscidae, Calliphoridae) were collected at farms and kennels near domestic animals, as well as 37 blowflies (Calliphoridae) in rural and urban areas without animals nearby.

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