Publications by authors named "Drolz A"

[Bleeding in liver diseases].

Med Klin Intensivmed Notfmed

September 2024

Bleeding events are feared complications in patients with advanced liver diseases and are associated with morbidity and mortality. In this context, gastrointestinal bleeding, particularly upper gastrointestinal bleeding, has a special clinical importance. In addition to endoscopic measures for hemostasis, reducing portal pressure in particular is a key component of treatment.

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Background: In the third year of the SARS-CoV-2 pandemic, little is known about the vaccine- and infection-induced immune response in liver transplant recipients (LTR) and liver cirrhosis patients (LCP).

Objective: This cross-sectional study assessed the vaccination coverage, infection rate, and the resulting humoral and cellular SARS-CoV-2-specific immune responses in a cohort of LTR and LCP at the University Medical Center Hamburg-Eppendorf, Germany between March and May 2023.

Methods: Clinical and laboratory data from 244 consecutive patients (160 LTR and 84 LCP) were collected via chart review and a patient survey.

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Background: Predictors of poor outcome associated with variceal bleeding remain suboptimal. In patients with cirrhosis, serum lactate combined with Model for End-Stage Liver Disease (MELD-LA) improved prediction across heterogeneous populations. However, prognostic properties have not yet been assessed in the context of variceal bleeding.

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Article Synopsis
  • The study emphasizes the importance of accurately assessing risks in patients with Acute-on-Chronic Liver Failure (ACLF), as it is linked to high short-term mortality, particularly for liver transplant decisions.
  • The research found that patients with pulmonary impairment face significantly higher mortality rates, with those experiencing pulmonary failure having an alarming 83.7% mortality within 28 days.
  • Adjusting the CLIF-C ACLF score to account for the level of pulmonary impairment can improve the prediction of outcomes, suggesting that both pulmonary failure and mechanical ventilation are critical factors for evaluating the prognosis of ACLF patients.
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Bleedings are frequent and clinically important complications in critically ill patients in the intensive care unit, and-depending on location and intensity-are associated with high morbidity and mortality. The clinical impact of different bleeding entities is affected by the location (e.g.

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Background: Heyde syndrome (HS) is known as the association of severe aortic stenosis (AS) and recurrent gastrointestinal bleeding (GIB) from angiodysplasia. Data on the prevalence of HS and results after TAVI remain scarce.

Methods: 2548 consecutive patients who underwent TAVI for the treatment of AS from 2008 to 2017 were evaluated for a history of GIB and the presence of HS.

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Background: Non-invasive scores, such as the non-alcoholic fatty liver disease (NAFLD) Fibrosis Score (NFS), are increasingly used for liver fibrosis assessment in patients with NAFLD. The aim of this study was to assess the applicability and reliability of non-invasive fibrosis scores in NAFLD patients with and without morbid obesity.

Methods: Three hundred sixty-eight patients with biopsy-proven NAFLD identified between January 2012 and December 2015 were studied; 225 with morbid obesity (biopsy obtained during bariatric surgery) and 143 patients without (termed as "conventional").

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Article Synopsis
  • SARS-CoV-2 infection can lead to severe liver dysfunction (SLD) in critically ill COVID-19 patients, with 31% of a study group experiencing this condition.
  • Patients with SLD exhibited more serious respiratory issues, requiring advanced medical interventions like mechanical ventilation and renal replacement therapy.
  • The presence of SLD was linked to higher mortality rates, with affected patients showing a 68% death rate compared to 16% in others, indicating a strong correlation between SLD and worse outcomes.
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Background: Prophylactic endoscopic variceal band ligation (EVL) is frequently performed in patients with liver cirrhosis. The aim of our study was to identify factors associated with early upper gastrointestinal bleeding (UGIB) in cirrhosis patients after prophylactic EVL.

Methods: 787 nonemergency EVLs performed in 444 patients in two German University medical centers were analyzed retrospectively.

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Multiple factors are involved in the pathogenesis of non-alcoholic fatty liver disease (NAFLD), but the exact immunological mechanisms that cause inflammation and fibrosis of the liver remain enigmatic. In this current study, cellular samples of a cohort of NAFLD patients (peripheral blood mononuclear cells (PBMC): n = 27, liver samples: n = 15) and healthy individuals (PBMC: n = 26, liver samples: n = 3) were analyzed using 16-color flow cytometry, and the frequency and phenotype of 23 immune cell subtypes was assessed. PBMC of NAFLD patients showed decreased frequencies of total CD3+, CD8+ T cells, CD56dim NK cells and MAIT cells, but elevated frequencies of CD4+ T cells and Th2 cells compared to healthy controls.

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Background & Aims: Refractory ascites is the main reason for the implantation of a transjugular intrahepatic portosystemic shunt (TIPS) in liver cirrhosis, but ascites control by TIPS fails in a relevant proportion of cases. Here, we investigated whether routine parameters pre-TIPS can predict persistent ascites after TIPS implantation and whether persistent ascites predicts long-term clinical outcome.

Methods: A detailed retrospective analysis of 128 patients receiving expanded polytetrafluoroethylene-covered stents for the treatment of refractory ascites was performed.

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Article Synopsis
  • Critically ill ICU patients are at a high risk for Clostridioides difficile infections (CDI), with a 28-day mortality rate of 27.3% for infected individuals compared to 9% for non-infected patients.
  • A study analyzed 132 patients with CDI, finding that those receiving intravenous metronidazole as their initial treatment had a longer duration of diarrhea and were at a higher risk of delayed clinical improvement.
  • The use of immunosuppressants during ICU care was linked to an increased 28-day mortality, highlighting the need for careful antibiotic treatment and management of underlying conditions in patients with CDI.
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The frequency of acquired liver injury and failure in critical illness has been significantly increasing over recent decades. Currently, liver injury and failure are observed in up to 20% of patients in intensive care units and are associated with significantly increased morbidity and mortality. Secondary forms of liver injury in critical illness are divided primarily into cholestatic, hypoxic, or mixed forms.

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Introduction:  Proton pump inhibitors (PPI) are one of the most frequently prescribed drugs worldwide. In particular, in patients with liver cirrhosis prescription rates up to 78 % have been reported. PPI may be a risk factor for nosocomial infections, spontaneous bacterial peritonitis and onset of hepatic encephalopathy.

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Background: Hypoxic liver injury (HLI) is a frequent and life-threatening complication in critically ill patients that occurs in up to ten percent of critically ill patients. However, there is a lack of data on HLI following cardiac arrest and its clinical implications on outcome. Aim of this study was to investigate incidence, outcome and functional outcome of patients with HLI after in-hospital cardiac arrest (IHCA) and out-of-hospital cardiac arrest (OHCA).

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Acute liver failure (ALF) is a rare condition with fatal outcome. Characteristic is rapid onset of liver damage without preexisting liver diseases, including hepatic encephalopathy and coagulopathy. Early and correct diagnosis is essential for further management of patients, since diagnosis impacts therapy choice.

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Alterations in hemostasis are a characteristic feature of advanced liver disease. Patients with coagulopathy of advanced liver disease are prone to bleedings and also thromboembolic events. Under stable conditions, cirrhosis patients show alterations in both pro- and anticoagulatory pathways, frequently resulting in a rebalanced hemostasis.

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After publication, the author noticed that Table 2 was incorrectly formatted for the final PDF despite being correct in earlier proofs. The table was correct in the HTML version of the article. The EJCN apologizes for the inadvertent error in the formatting of Table 2.

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Lactate levels and lactate clearance are known predictors of outcome in critically ill patients in the intensive care unit (ICU). The prognostic value of lactate is not well established in liver cirrhosis and acute-on-chronic liver failure (ACLF). The aim of this study was to assess the prognostic value of lactate levels and clearance in critically ill patients with cirrhosis.

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Background: Acid-base disturbances are frequently observed in critically ill patients at the intensive care unit. To our knowledge, the acid-base profile of patients with acute-on-chronic liver failure (ACLF) has not been evaluated and compared to critically ill patients without acute or chronic liver disease.

Results: One hundred and seventy-eight critically ill patients with liver cirrhosis were compared to 178 matched controls in this post hoc analysis of prospectively collected data.

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Background: Acute-on-chronic liver failure (ACLF) is a severe complication of liver cirrhosis associated with excess short-term mortality rates. Orthotopic liver transplantation (OLT) is a potentially life-saving therapeutic modality for acute-on-chronic liver failure patients, but selection of transplant candidates with an acceptable post-transplant outcome is difficult.

Aim: To assess the risk of liver transplantation in patients with ACLF, and to determine parameters that predict post-transplant survival in this patient cohort.

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Background/objectives: Hyperglycemia is common in critically ill patients and associated with increased mortality. It has been suggested that different nutrition formulas may beneficially influence glucose levels in surgical intensive care patients. In this prospective randomized clinical cohort study we investigated glucose homeostasis in response to different enteral nutrition formulas in medical critically ill patients.

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Introduction: Non-alcoholic fatty liver disease (NAFLD) has become one of the most frequent causes of chronic liver disease. Currently, therapeutic options for NAFLD patients are limited, but new pharmacologic agents are being investigated in the course of clinical trials. Because most of these studies are focusing on patients with fibrosis stages II and III (according to Kleiner), non-invasive identification of patients with intermediate fibrosis stages (II and III) is of increasing interest.

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Background: Organ failure increases mortality in patients with liver cirrhosis. Data about resuscitated cardiac arrest patients with liver cirrhosis are missing. This study aims to assess aetiology, survival and functional outcome in patients after successful cardiopulmonary resuscitation (CPR) with and without liver cirrhosis.

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Background: Jaundice and cholestatic hepatic dysfunction are frequent findings in critically ill patients associated with increased mortality. Cholestasis in critically ill patients is closely associated with stimulation of pro-inflammatory cytokines resulting in impaired bile secretion and subsequent accumulation of bile acids. Aim of this study was to evaluate the clinical role of circulating bile acids in critically ill patients.

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