Publications by authors named "Adam Varga"

is a chronic infection that can appear in laboratory animal facilities. Deviations in hemorheological parameters during many pathological processes were detected, but it is unknown to what extent infection causes changes in micro-rheological parameters. We performed our study on 25 symptomatic and asymptomatic Wistar rats, randomly selected from the entire population and presumably infected with .

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Article Synopsis
  • Early treatment of elevated intracranial pressure (ICP) in severe traumatic brain injury (TBI) is critical, but managing refractory high ICP is difficult due to limited therapeutic options.
  • Controlled lumbar cerebrospinal fluid (CSF) drainage is an effective ICP reduction method that has not been widely adopted due to safety concerns, despite being used at the authors' center for over 15 years.
  • A study of 45 severe TBI patients showed that lumbar drainage significantly reduced episodes of ICP and the need for further invasive therapies, resulting in improved in-hospital mortality and better functional outcomes six months post-injury.
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Treatments with different antithrombotic agents can affect micro-rheological variables, such as red blood cell (RBC) deformability and aggregation. Since the effect of dual antiplatelet and anticoagulant (APAC) treatment on micro-rheology is unknown, we aimed to investigate the effect of different intravenous doses of APAC on hematological and micro-rheological variables in a porcine model. Two groups were formed (APAC group, Control group), and blood was collected from the animals at preset intervals.

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Hemorheological factors may show arterio-venous differences. Alterations in acid-base and metabolic parameters may also influence these factors. However, little is known about changes in micro-rheological parameters during abdominal surgery, influencing splanchnic circulation.

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The ectoparasitic copepod Lernaea cyprinacea (anchor worm) has more than 100 host species among teleost fishes and affects cyprinids both in fish farms and natural waters. In addition, while L. cyprinacea infection in amphibians has been recorded in Asia, North and South America, there is no data available in the literature on their presence in Europe.

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Introduction: Sufficient perfusion is essential for a safe intestinal anastomosis. Impaired microcirculation may lead to increased bacterial translocation and anastomosis insufficiency. Thus, it is important to estimate well the optimal distance of the anastomosis line from the last mesenterial vessel.

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Bevezetés: A posztoperatív pancreasfistula mind proximalis, mind distalis pancreatectomia után a legjelentősebb sebészi szövődménynek számít. A szakirodalomban nincs egyértelműen ajánlott, megbízható módszer ezen probléma kiküszöbölésére, emiatt történnek újítások szerte a világon. Jelen közleményünkben a technikai innovációinkról számolunk be.

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As a rare complication of liver injury and certain interventions, bile can enter the bloodstream depending on the pressure gradient, resulting in bilhemia. Its micro-rheological and hemodynamic effects are still unclear. We aimed to study these parameters in experimental bilhemia models.

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The objective of the present experimental study was to gain a better understanding of the foraging activity of Asellus aquaticus during fish egg incubation. A. aquaticus were introduced into experimental setups of dead eggs, viable eggs and hatched larvae of zebrafish (Danio rerio), a commonly used model organism.

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Kidney transplantation is the gold-standard therapy for end-stage renal disease. However, in the early postoperative period following allograft kidney transplantation, insufficient graft function presents a diagnostic challenge to clinicians. Ischemic damage to the graft and/or an early autoimmune rejection may cause a decrease in function.

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Background: Arteriovenous malformations (AVMs) are vascular anomalies characterized by abnormal shunting between arteries and veins. The progression of the AVMs and their hemodynamic and rheological relations are poorly studied, and there is a lack of a feasible experimental model.

Objective: To establish a model that cause only minimal micro-rheological alterations, compared to other AV models.

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The proper regeneration of vessel anastomoses in microvascular surgery is crucial for surgical safety. Pituitary adenylate cyclase-activating polypeptide (PACAP) can aid healing by decreasing inflammation, apoptosis and oxidative stress. In addition to hematological and hemorheological tests, we examined the biomechanical and histological features of vascular anastomoses with or without PACAP addition and/or using a hemostatic sponge (HS).

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Introduction: The hybrid operation room - with a robotic arm equipped angiographic device - started its operation in November 2019 at the Department of Neurosurgery, Szeged, Hungary.

Objective: We report the benefits of the hybrid operation room in the neurosurgery practice based on our results and experiences of the last 1.5 years.

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The prognosis of pancreatic cancer is one of the worst of all cancers. Though the routine use of modern targeted and immunotherapy is still pending, the recently applied new chemotherapy combinations resulted in obvious improvement in the clinical management of pancreatic cancer. Adjuvant treatment followed by radical operation can increase the survival of the patients, moreover, neoadjuvant therapy for locally advanced tumors is associated with higher resectability rate.

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Trematodes of the genus Metagonimus Katsurada, 1912 (Digenea: Heterophyidae) are zoonotic parasites that cause infections in humans, with most cases reported in Southeast Asia. Larvae from the second intermediate host, called metacercariae, of one of human-infecting species, M. yokogawai (Katsurada, 1912), have been reported from cyprinoid fish in Europe.

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The therapeutic approach to brain metastases has changed significantly in the last 30 years. The development of surgical technique, the use of new MRI techniques, preoperative surgical planning and the administration of intraoperative navigation reduced the risks of surgery and improved the results. In the case of aggressive renal cell carcinomas, we detect brain metastases relatively often, which are difficult to treat, but the improved surgical and radiosurgery techniques can also be used with success.

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Introduction: Indocyanine green is a fluorescent dye, the use of which is becoming more and more widespread in different areas of surgery. Several international studies deal with the dye's usefulness in intraoperative angiography, the localization of tumors, the more precise identification of anatomical structures, the detection of lymph nodes and lymph ducts, etc. The application of the dye is safe, but a suitable equipment park is required for its use, which entails relatively high costs.

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We have limited knowledge about the course of the European catfish virus (ECV) infection in different age groups of wels catfish (). The results of this study demonstrate that an ECV strain isolated from the brown bullhead () in Hungary could cause devastating losses among juvenile wels catfish. Furthermore, the age-related mortality rate following ECV infection was investigated in three virus challenge experiments at two different virus dosages.

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Introduction. Appendicitis is one of the most common causes of acute abdominal surgical indications. WHO declared the SARS-CoV-2 (COVID-19) virus infection a pandemic on the 11.

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Polycystic ovary syndrome (PCOS) is one of the most common endocrinological diseases in women. Although the risk of cardiovascular diseases is high in PCOS, the number of scientific publications describing hemorheological changes is not significant. We aimed to perform a comprehensive hematological and micro-rheological study on experimentally induced PCOS in rats.

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Vascular graft maturation is associated with blood flow characteristics, such as velocity, pressure, vorticity, and wall shear stress (WSS). Many studies examined these factors separately. We aimed to examine the remodeling of arterio-venous fistulas (AVFs) and loop-shaped venous interposition grafts, together with 3D flow simulation.

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Plasma and blood osmolality values show interspecies differences and are strictly regulated. The effect of these factors also has an influence on microrheological parameters, such as red blood cell (RBC) deformability and aggregation. However, little is known about the interspecies differences in RBC deformability at various blood osmolality levels (osmotic gradient RBC deformability).

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Dermocystidiosis in common carp (Cyprinus carpio L.) as a skin infection in the form of small, pea-sized bulging nodules is well-known in Hungary. Its occurrence is sporadic, and the pathogenic effect is generally moderate.

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Optimal tissue oxygen supply is essential for proper athletic performance and endurance. It also depends on perfusion, so on hemorheological properties and microcirculation. Regular exercise is beneficial to the rheological status, depending on its type, intensity, and duration.

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In trauma and orthopedic surgery, limb ischemia-reperfusion (I/R) remains a great challenge. The effect of preventive protocols, including surgical conditioning approaches, is still controversial. We aimed to examine the effects of local ischemic pre-conditioning (PreC) and post-conditioning (PostC) on limb I/R.

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