Publications by authors named "Tamas Vegh"

Pneumonia is a common nosocomial complication in transplant patients. Stenotrophomonas maltophilia is recognized as a common cause and is typically seen in immunocompromised and critically ill patients. S.

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Objective: Test the hypothesis that one-lung ventilation with variable tidal volume improves intraoperative oxygenation and reduces postoperative pulmonary complications after lung resection.

Background: Constant tidal volume and respiratory rate ventilation can lead to atelectasis. Animal and human ARDS studies indicate that oxygenation improves with variable tidal volumes.

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Background: The role of the willisian collaterals during carotid endarterectomies (CEAs) is a debated issue. The aim of the present work was to test whether an incomplete or non-functional circle of Willis (CoW) is a risk factor for ischemic events during CEA.

Patients And Methods: CEAs were performed under local anesthesia.

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Unlabelled: Recent evidence suggests no difference between patient outcomes when carotid endarterectomies (CEAs) are performed under general or regional anesthesia. However, for detecting the need for a shunt, general anesthesia has the drawback of monitoring needs in the intraoperative setting. In the present study, we attempted to perform intraoperative transcranial Doppler (TCD) monitoring for CEAs performed under intermediate plexus block to describe cerebral hemodynamic changes during different phases of the procedure.

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The timing of elective surgery is very important in patients, who suffered SARS-CoV-2 virus infection. According to a study of more than 100,000 patients, it takes approximately seven weeks to be safely admitted to elective surgery. In the case of emergency surgeries, the date of the surgery should be considered based on the patient's general condition and the expected improvement from the surgery.

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The novel coronavirus pandemic has radically changed the landscape of normal surgical practice. Lifesaving cancer surgery, however, remains a clinical priority, and there is an increasing need to fully define the optimal oncologic management of patients with varying stages of lung cancer, allowing prioritization of which thoracic procedures should be performed in the current era. Healthcare providers and managers should not ignore the risk of a bimodal peak of mortality in patients with lung cancer; an imminent spike due to mortality from acute coronavirus disease 2019 (COVID-19) infection, and a secondary peak reflecting an excess of cancer-related mortality among patients whose treatments were deemed less urgent, delayed, or cancelled.

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Background And Objectives: The aim of our study was to assess systemic and cerebral hemodynamic changes as well as cerebral CO-reactivity during propofol anesthesia.

Methods: 27 patients undergoing general anesthesia were enrolled. Anesthesia was maintained using the Target-Controlled Infusion (TCI) method according to the Schnider model, effect site propofol concentration of 4 μg.

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The novel coronavirus has caused a pandemic around the world. Management of patients with suspected or confirmed coronavirus infection who have to undergo thoracic surgery will be a challenge for the anesthesiologists. The thoracic subspecialty committee of European Association of Cardiothoracic Anaesthesiology (EACTA) has conducted a survey of opinion in order to create recommendations for the anesthetic approach to these challenging patients.

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The coronavirus pandemic is a serious challenge for healthcare workers worldwide. The virus is spread through the air by droplets of moisture when people cough or sneeze and it has a very high virulence. Procedures generating airway aerosols are dangerous for every participant of patient care.

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In critically ill COVID-19 patients, the failure of the cardiorespiratory system can be due to one of the following: (1) cytokine storm, haemophagocytosis – septic shock, (2) unmanageable hypoxemia, (3) isolated organ failure or as part of multi-organ failure. Herein we give an overview of the therapeutic options for treating or preventing these disease states. In recent years, CytoSorb-haemoperfusion to remove cytokines has shown promising results in the treatment of septic shock.

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The coronavirus pandemic is a serious challenge for healthcare workers worldwide. The virus is spread through the air by droplets of moisture when people cough or sneeze and it has a very high virulence. Procedures generating airway aerosols are dangerous for every participant of patient care.

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Caring for those affected by the coronavirus outbreak of December 2019 imposed a heavy burden on healthcare systems. Not only because some patients require intensive care, but because patients with any form of the disease may need surgical intervention. Managing these cases is a major challenge for anesthesiologists.

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In December 2019, a novel outbreak of pneumonia was reported in Wuhan city, China. Initially, the zoonitic infection spread from human to human, causing a pandemic. This viral disease (COVID-19) can appear in a variety of forms, from asymptomatic through the spectrum of mild symptoms to severe respiratory failure, requiring intensive care.

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There is currently no proven effective therapy for COVID-19. Here we discuss the drugs most investigated for the treatment of the disease. All the listed therapies are experimental at this stage.

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Background: Sevoflurane is one of the most frequently used inhaled anesthetics for general anesthesia. Previously it has been reported that at clinically used doses of sevoflurane, cerebral vasoreactivity is maintained. However, there are no data how sevoflurane influences systemic and cerebral circulation in parallel.

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Background: Serum angiotensin-converting enzyme (ACE) activity determination can aid the early diagnosis of sarcoidosis. We aimed to optimize a fluorescent kinetic assay for ACE activity by screening the confounding effects of endogenous ACE inhibitors and interfering factors. Genotype-dependent and genotype-independent reference values of ACE activity were established, and their diagnostic accuracies were validated in a clinical study.

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Background: Previously a report has suggested that administration of lung protective strategy for one-lung ventilation(OLV) results in oxygen desaturation of the brain parenchyma. The aim of our work was to confirm that the maintenance of normocapnia during protective OLV strategy results in alteration of cerebral blood fl ow and cerebral oxygen saturation as compared to double-lung ventilation.

Methods: Data were obtained from 24 patients undergoing thoracic surgery.

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Purpose: In some thoracic surgical procedures, the insertion of a double-lumen tube (DLT) is not feasible, or the altered use of a DLT and a single-lumen tube (SLT) is justified during the surgery. In the present article we report our experience with a new bronchial blocker, the EZ-blocker, in clinical use.

Methods: Data were obtained from ten patients undergoing thoracic surgery necessitating one-lung ventilation.

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Background/aims: Intravenous lipid emulsions may contribute to the development of total parenteral nutrition (TPN)--induced hepatobiliary complications.

Methods: In a prospective, randomised setting the authors compared the short-term hepatic effects of medium-chain triglycerides/short-chain triglycerides (MCT/LCT) physical mixture with a four-component intravenous (i.v.

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Reexpansion pulmonary edema (RPE) is a rare entity that develops after reexpansion in a chronically collapsed lung. There is a broad clinical spectrum of the disease ranging from asymptomatic appearance to lethal form that occurs in approximately 20% of the cases. The pathophysiological background is complex and not clarified in all details.

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Sepsis-associated encephalopathy is a common but neglected clinical symptom of systemic inflammatory reaction in the early phase. The clinical spectrum of diffuse cerebral dysfunction induced by systemic sepsis--sepsis-associated encephalopathy according to the new terms--varies from transient, reversible encephalopathy, to severe irreversible brain damage. The aim of the present publication is to summarize the pathophysiology, frequent symptoms and possible treatments of the disease based on international and Hungarian articles on this topic.

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Spontaneous rupture of the oesophagus is an extremely serious condition with high morbidity and mortality. Primary surgical repair may be followed by numerous complications. A 29-year-old man had undergone primary surgical repair due to spontaneous rupture of the lower third of the oesophagus.

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Introduction: The pathophysiology of sepsis-associated encephalopathy (SAE) is not entirely clear. One of the possible underlying mechanisms is the alteration of the cerebral microvascular function induced by the systemic inflammation. The aim of the present work was to test whether cerebral vasomotor-reactivity is impaired in patients with SAE.

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