Publications by authors named "Raphael Bruno"

Purpose: There are limited data about the outcome of old intensive care (ICU) patients suffering from Covid-19 in the post-vaccination era. This study distinguishes the pre- and post-acute illness living conditions of ICU survivors from non-survivors.

Methods: This prospective international multicenter study included 642 old (≥ 70 years) ICU patients, including data ranging from pre-illness condition to functional 90-days follow-up.

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Shock is a life-threatening condition. This study evaluated if sublingual microcirculatory perfusion on admission is associated with 30-day mortality in older intensive care unit (ICU) shock patients. This trial prospectively recruited ICU patients (≥ 80 years old) with arterial lactate above 2 mmol/L, requiring vasopressors despite adequate fluid resuscitation, regardless of shock cause.

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The management of cardiogenic shock is an ongoing challenge. Despite all efforts and tremendous use of resources, mortality remains high. Whilst reversing the underlying cause, restoring/maintaining organ perfusion and function are cornerstones of management.

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Background: Detailed visualization and precise measurements of aortic valve dimensions are critical for the success of transcatheter aortic valve implantation and for the prevention of complications. Currently, multislice computed tomography is the gold standard for assessment of the aortic annulus and surrounding structures to determine the prosthesis size. New technologies such as virtual reality (VR) not only enable 3-dimensional (3D) visualization with the potential to improve understanding of anatomy and pathology but also allow measurements in 3D.

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Background: Understanding complex cardiac anatomy is essential for percutaneous left atrial appendage (LAA) closure. Conventional multi-slice computed tomography (MSCT) and transesophageal echocardiography (TEE) are now supported by advanced 3D printing and virtual reality (VR) techniques for three-dimensional visualization of volumetric data sets. This study aimed to investigate their added value for LAA closure procedures.

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Gravitational changes between micro- and hypergravity cause several adaptations and alterations in the human body. Besides muscular atrophy and immune system impairment, effects on the circulatory system have been described, which can be associated with a wide range of blood biomarker changes. This study examined nine individuals (seven males, two females) during a parabolic flight campaign (PFC).

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Introduction: The Sequential Organ Failure Assessment (SOFA) score is the sum of 6 components, each representing one organ system with dysfunction classified on a 4-point scale. In research, usually by default, the total SOFA score is taken into account, but it may not reflect the severity of the condition of the individual organs. Often, these values are expected to predict mortality.

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A heart transplant is the gold standard therapy for patients with end-stage heart failure. In this case report, situs inversus totalis and congenitally corrected transposition of the great arteries led to a unique and complex preoperative setting. Extended donor organ harvesting, donor graft rotation of 45° to the right and post-operative stenting of the superior vena cava were essential steps in the interdisciplinary management of this case.

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Article Synopsis
  • Frailty is recognized as a critical factor affecting health outcomes in elderly patients, and this study utilized Bayesian statistics to better understand its effects compared to traditional frequentist methods.
  • Analysis of data from over 10,000 older patients showed a 30-day all-cause mortality rate of 43%, revealing that frail patients had a significantly higher mortality rate (51%) than non-frail patients (38%).
  • The findings indicate that frailty is consistently linked to worse outcomes, highlighting its importance in patient care, particularly when assessed as a continuous variable on the Clinical Frailty Scale, which can help tailor treatment for this vulnerable demographic.
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Background And Aims: The complex and highly variable three-dimensional anatomy of the left atrial appendage (LAA) makes planning and device sizing for interventional occlusion procedures (LAAC) challenging. Several imaging modalities [e.g.

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  • Non-invasive ventilation (NIV) is an important treatment for acute respiratory failure in older patients, and this study compares its effectiveness before and during the COVID-19 pandemic.
  • The study involved 1986 older adults admitted to ICUs, finding that those hospitalized for COVID-19 had significantly higher 30-day mortality rates, intubation rates, and NIV failure compared to those admitted before the pandemic.
  • Results indicate that patients aged 80 and older had worse outcomes when treated with NIV during the COVID-19 pandemic, suggesting the pandemic negatively impacted respiratory treatment effectiveness in this age group.
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  • Virtual reality (VR) and augmented reality (AR) are emerging technologies that enhance experiences in both physical and virtual spaces, but their systematic review in intensive care medicine has been limited.
  • This study reviewed literature until March 2023, identifying 59 studies exploring how VR and AR can benefit intensive care unit (ICU) staff and patients, particularly in training for complex procedures and improving patient comfort.
  • The findings suggest that VR and AR have the potential to significantly enhance healthcare practices and patient experiences in ICU settings, anticipating further advancements in their applications.
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Background: Patients undergoing cardiac surgery are prone to numerous complications. Increased vascular permeability may be associated with morbidity and mortality due to hemodynamic instability, fluid overload, and edema formation. We hypothesized that markers of endothelial injury and inflammation are associated with capillary leak, ultimately increasing the risk of postoperative complications.

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Background Neurologic events during primary stay in heart transplant (HTx) recipients may be associated with reduced outcome and survival, which we aim to explore with the current study. Methods and Results We screened and included all patients undergoing HTx in our center between September 2010 and December 2022 (n=268) and checked for the occurrence of neurologic events within their index stay. Neurologic events were defined as ischemic stroke, hemorrhage, hypoxic ischemic injury, or acute symptomatic neurologic dysfunction without central nervous system injury.

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Aims: Functional mitral regurgitation (MR) is the second most common valvular heart disease worldwide and is increasing with age. The present study investigates the gender distribution and 1 year prognosis of older patients (≥65 years) with pharmacologically treated MR in a real-world population with moderate to severe functional MR.

Methods And Results: This a single-centre retrospective observational cohort study and included 243 medically treated patients with moderate to severe MR from 2014 to 2020.

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Background: Atrial fibrillation (AF) is a common comorbidity in patients with heart failure with preserved ejection fraction (HFpEF) and in heart failure with mildly reduced ejection fraction (HFmrEF).

Objectives: This study sought to describe AF burden and its clinical impact among individuals with HFpEF and HFmrEF who participated in a randomized clinical trial of atrial shunt therapy (REDUCE LAP-HF II [A Study to Evaluate the Corvia Medical, Inc IASD System II to Reduce Elevated Left Atrial Pressure in Patients with Heart Failure]) and to evaluate the effect of atrial shunt therapy on AF burden.

Methods: Study investigators characterized AF burden among patients in the REDUCE LAP-HF II trial by using ambulatory cardiac patch monitoring at baseline (median patch wear time, 6 days) and over a 12-month follow-up (median patch wear time, 125 days).

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Purpose: Shock is a life-threatening condition characterized by substantial alterations in the microcirculation. This study tests the hypothesis that considering sublingual microcirculatory perfusion variables in the therapeutic management reduces 30-day mortality in patients admitted to the intensive care unit (ICU) with shock.

Methods: This randomized, prospective clinical multicenter trial-recruited patients with an arterial lactate value above two mmol/L, requiring vasopressors despite adequate fluid resuscitation, regardless of the cause of shock.

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Article Synopsis
  • Anemia is prevalent among older, critically ill COVID-19 patients and can affect their outcomes; this study examines its role in 90-day mortality for those over 70 in the ICU.
  • Conducted across 138 ICUs, the study involved 493 patients, comparing outcomes based on anemia status during admission and the need for red blood cell transfusions.
  • Results indicate that while anemia at admission didn't impact overall survival, the need for transfusions and severe anemia at discharge significantly increased the risk of 90-day mortality.
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Background: This large-scale analysis pools individual data about the Clinical Frailty Scale (CFS) to predict outcome in the intensive care unit (ICU).

Methods: A systematic search identified all clinical trials that used the CFS in the ICU (PubMed searched until 24th June 2020). All patients who were electively admitted were excluded.

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