Publications by authors named "Arabi Y"

Background: Venous thromboembolism (VTE) is a frequent complication in critically ill patients, who often have multiple risk factors. Pharmacological thromboprophylaxis is widely applied to lower this risk, but guidelines lack dosing recommendations.

Objective: This survey aims to assess current thromboprophylaxis preferences and willingness to participate in future randomized clinical trials (RCTs) on this topic.

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Critical illness is a complex condition that can have a devastating impact on health and quality of life. Nutritional support is a crucial component of critical care that aims to maintain or restore nutritional status and muscle function. A one-size-fits-all approach to the components of nutritional support has not proven beneficial.

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Background: Understanding site-related factors that influence enrolment within multicenter randomized controlled trials (RCT) may help reduce trial delays and cost over-runs and prevent early trial discontinuation. In this analysis of PROSPECT (Probiotics: Prevention of Severe Pneumonia and Endotracheal Colonization Trial), we describe patient enrolment patterns and examine factors influencing site-based monthly enrolment.

Design: Retrospective analysis of a multicenter RCT.

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Objective: To evaluate characteristics and outcomes in critically ill patients with Guillain-Barré syndrome (GBS).

Methods: Consecutive adults with GBS who required intensive care unit (ICU) admission at a tertiary-care hospital between 1999 and 2020 were enrolled into this retrospective cohort study. Demographics, clinical data and patient outcomes were compared between patients who did or did not receive mechanical ventilation (MV).

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Purpose: To generate consensus and provide expert clinical practice statements for the management of adult sepsis in resource-limited settings.

Methods: An international multidisciplinary Steering Committee with expertise in sepsis management and including a Delphi methodologist was convened by the Asia Pacific Sepsis Alliance (APSA). The committee selected an international panel of clinicians and researchers with expertise in sepsis management.

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Background: The systolic shock index (SSI) is used to direct management and predict outcomes, but its utility in patients requiring rapid response team (RRT) activation is unclear.

Objectives: We explored whether SSI can predict the outcomes of ward patients experiencing clinical deterioration and compared its performance with other parameters.

Methods: This retrospective study included adult patients in medical/surgical wards who required RRT activation.

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Importance: Sepsis screening is recommended among hospitalized patients but is supported by limited evidence of effectiveness.

Objective: To evaluate the effect of electronic sepsis screening, compared with no screening, on mortality among hospitalized ward patients.

Design, Setting, And Participants: In a stepped-wedge, cluster randomized trial at 5 hospitals in Saudi Arabia, 45 wards (clusters) were randomized into 9 sequences, 5 wards each, to have sepsis screening implemented at 2-month periods.

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Article Synopsis
  • Clinical guidelines recommend using buffered crystalloid solutions for critically ill patients, but do not specify which type, prompting a survey of physicians' preferences between acetate- and lactate-buffered solutions.* -
  • An international survey of 1321 anesthesiologists and ICU physicians found that the majority used these solutions frequently, with varying availability of both types across different countries.* -
  • Most physicians supported a randomized trial comparing the two solutions, rating its clinical importance as significant, but not urgent, with a median score of 5 out of 9.*
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Background: Bloodstream infections are associated with substantial morbidity and mortality. Early, appropriate antibiotic therapy is important, but the duration of treatment is uncertain.

Methods: In a multicenter, noninferiority trial, we randomly assigned hospitalized patients (including patients in the intensive care unit [ICU]) who had bloodstream infection to receive antibiotic treatment for 7 days or 14 days.

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Article Synopsis
  • Mental health issues among healthcare professionals in ICUs are serious, with burnout rates reaching up to 50%, and factors affecting burnout include communication and support systems.
  • The 'Hello Bundle' intervention was created to combat burnout by enhancing social interactions and team cohesion, using elements like posters, email reminders, and daily greetings.
  • A cluster randomized controlled trial will assess the effectiveness of the 'Hello Bundle', involving around 7,300 participants from various ICUs, comparing burnout levels before and after the intervention.
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The European Society of Intensive Care Medicine (ESICM) has developed evidence-based recommendations and expert opinions about end-of-life (EoL) and palliative care for critically ill adults to optimize patient-centered care, improving outcomes of relatives, and supporting intensive care unit (ICU) staff in delivering compassionate and effective EoL and palliative care. An international multi-disciplinary panel of clinical experts, a methodologist, and representatives of patients and families examined key domains, including variability across countries, decision-making, palliative-care integration, communication, family-centered care, and conflict management. Eight evidence-based recommendations (6 of low level of evidence and 2 of high level of evidence) and 19 expert opinions were presented.

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Introduction: Use of albumin is suggested for some patients with shock, but preferences for its use may vary among intensive care unit (ICU) physicians.

Methods: We conducted an international online survey of ICU physicians with 20 questions about their use of albumin and their opinion towards a randomised trial among adults with shock comparing the use versus no use of albumin.

Results: A total of 1248 respondents participated, with a mean response rate of 37%, ranging from 18% to 75% across 21 countries.

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Sepsis is caused by a dysregulated host response to an infection that leads to cascading cell death and eventually organ failure. In this study, the role of inflammatory response serum secretory phospholipase A2 (sPLA2) and albumin in sepsis was investigated by determining the activities of the two proteins in serial serum samples collected on different days from patients with sepsis after enrollment in the permissive underfeeding versus standard enteral feeding protocols in an intensive care unit. Serum sPLA2 and albumin showed an inverse relationship with increasing sPLA2 activity and decreasing albumin membrane-binding activity in patients with evolving complications of sepsis.

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Background: The diagnostic performance of the available risk assessment models for VTE in patients who are critically ill receiving pharmacologic thromboprophylaxis is unclear.

Research Question: For patients who are critically ill receiving pharmacologic thromboprophylaxis, do risk assessment models predict who would develop VTE or who could benefit from adjunctive pneumatic compression for thromboprophylaxis?

Study Design And Methods: In this post hoc analysis of the Pneumatic Compression for Preventing VTE (PREVENT) trial, different risk assessment models for VTE (ICU-VTE, Kucher, Intermountain, Caprini, Padua, and International Medical Prevention Registry on VTE [IMPROVE] models) were evaluated. Receiver-operating characteristic curves were constructed, and the sensitivity, specificity, positive and negative predictive values, and positive and negative likelihood ratios were calculated.

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Article Synopsis
  • The Rapid Practice Guideline (RPG) was created to evaluate the effectiveness of ketamine for sedation in ICU patients on mechanical ventilation compared to other sedatives or usual care, while also highlighting areas for further research.
  • A panel of 23 experts, including a patient representative, conducted a systematic review and meta-analysis to gather data, using a structured approach to assess the reliability and implications of the evidence collected.
  • The findings indicated considerable uncertainty regarding the effects of ketamine, with low certainty about its benefits on reducing opioid use or mechanical ventilation duration; adjunct ketamine therapy did not significantly affect mortality within 28 days.
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Background: This Rapid Practice Guideline (RPG) aimed to provide evidence-based recommendations for ketamine analgo-sedation (monotherapy and adjunct) versus non-ketamine sedatives or usual care in adult intensive care unit (ICU) patients on invasive mechanical ventilation (iMV) and to identify knowledge gaps for future research.

Methods: The RPG panel comprised 23 multinational multidisciplinary panelists, including a patient representative. An up-to-date systematic review and meta-analysis constituted the evidence base.

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Background: the human leukocyte antigen (HLA) loci have been widely characterized to be associated with viral infectious diseases. Several studies including various ethnic groups and populations suggested associations between certain HLA alleles and SARS-CoV-2 infection. Despite the numerous associations identified, the role of HLA polymorphisms in determining the individual response to SARS-CoV-2 infection is controversial among different Saudi populations.

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Rationale: The prognosis of patients with lung cancer admitted to the intensive care unit (ICU) is often perceived as poor. We described the characteristics, management, and outcomes of critically ill patients with lung cancer and determined the predictors of mortality.

Methods: We retrospectively studied patients with lung cancer who were admitted to the ICU of a tertiary care hospital between 1999 and 2021 for the reasons other than routine postoperative care.

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Article Synopsis
  • - The
  • Mega-ROX HIE trial
  • is an international study designed to compare conservative versus liberal oxygen therapy in adults with hypoxic ischaemic encephalopathy (HIE) after cardiac arrest who are on mechanical ventilation in ICU settings.
  • - The
  • trial aims to enroll around 4,000 participants
  • and will measure all-cause mortality within 90 days from randomization as its primary outcome, alongside several secondary outcomes related to survival and hospital stay.
  • - The study is structured to reduce any potential analysis bias by clearly outlining its
  • protocol and statistical analysis plan
  • , and aims to provide insights into effective oxygen therapies for this population.
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