Publications by authors named "Mervyn Mer"

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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Candida species are the predominant cause of fungal infections in patients treated in hospital, contributing substantially to morbidity and mortality. Candidaemia and other forms of invasive candidiasis primarily affect patients who are immunocompromised or critically ill. In contrast, mucocutaneous forms of candidiasis, such as oral thrush and vulvovaginal candidiasis, can occur in otherwise healthy individuals.

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Purpose Of Review: To share current concepts and provide an overview of the contextual issues and nutrition practices in critically ill patients in resource-limited settings (RLSs)/low- and middle-income countries (LMICs). Most of the world's population reside in these settings which also carries the greatest burden of critical illness.

Recent Findings: There is a paucity of evidence on nutrition practice in critically ill patients in RLSs and international guidelines are largely based on evidence derived from high-income countries (HICs).

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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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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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  • The D-PRISM study investigated global practices for diagnosing and treating pneumonia in ICU settings, focusing on community-acquired, hospital-acquired, and ventilator-associated pneumonia across different countries.
  • A survey gathered responses from 1,296 ICU clinicians across 72 countries, revealing varied diagnostic processes and a lack of standardized microbiological testing, particularly in lower-income regions.
  • Findings indicated that the typical antibiotic treatment duration was 5-7 days, with shorter durations linked to effective antimicrobial stewardship programs in higher-income countries.
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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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Sepsis management relies on fluid resuscitation avoiding fluid overload and its related organ congestion. To explore the influence of country income group on risk-benefit balance of fluid management strategies in sepsis. We searched e-databases for all randomized controlled trials on fluid resuscitation in patients with sepsis or septic shock up to January 2023, excluding studies on hypertonic fluids, colloids, and depletion-based interventions.

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The aim of this Intensive Care Medicine Rapid Practice Guideline (ICM-RPG) was to provide evidence-based clinical guidance about the use of higher versus lower oxygenation targets for adult patients in the intensive care unit (ICU). The guideline panel comprised 27 international panelists, including content experts, ICU clinicians, methodologists, and patient representatives. We adhered to the methodology for trustworthy clinical practice guidelines, including the use of the Grading of Recommendations Assessment, Development, and Evaluation approach to assess the certainty of evidence, and used the Evidence-to-Decision framework to generate recommendations.

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Article Synopsis
  • Pandemics like COVID-19 pose significant challenges to health care systems and require coordinated efforts from policymakers, public health authorities, and health care workers.
  • The COVID-19 outbreak led to millions of severe cases, necessitating hospital and ICU care, highlighting the importance of critical care in managing such crises.
  • Effective critical care planning and preparation are crucial for improving patient outcomes and encouraging timely medical intervention during pandemics.
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Background: The coronavirus (COVID-19) pandemic has seen a global surge in anxiety, depression, post-traumatic stress disorder (PTSD), and stress.

Aims: This study aimed to describe the perspectives of patients with COVID-19, their family, health professionals, and the general public on the impact of COVID-19 on mental health.

Methods: A secondary thematic analysis was conducted using data from the COVID-19 COS project.

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Objectives: To identify the epidemiology and outcome of adults and children with and without sepsis in a rural sub-Sahara African setting.

Design: A priori planned substudy of a prospective, before-and-after trial.

Setting: Rural, sub-Sahara African hospital.

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During the current COVID-19 pandemic, health-care workers and uninfected patients in intensive care units (ICUs) are at risk of being infected with SARS-CoV-2 as a result of transmission from infected patients and health-care workers. In the absence of high-quality evidence on the transmission of SARS-CoV-2, clinical practice of infection control and prevention in ICUs varies widely. Using a Delphi process, international experts in intensive care, infectious diseases, and infection control developed consensus statements on infection control for SARS-CoV-2 in an ICU.

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The COVID-19 pandemic has created a major alteration in the medical literature including the sepsis discussion. From the outset of the pandemic, various reports have indicated that although there are some unique features pertinent to COVID-19, many of its acute manifestations are similar to sepsis caused by other pathogens. As a consequence, the old definitions now require consideration of this new etiologic agent, namely SARS-CoV-2.

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Patients with life-threatening illnesses in intensive care receive management that improves their chances for survival. The physical outcomes of individuals infected with HIV who survive an intensive care unit (ICU) stay are not well known. The purpose was to describe the physical outcomes of ICU survivors in a high HIV prevalent area and highlight challenges as it relates to study feasibility.

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Background: South Africa has the highest prevalence of HIV in the world and to date has recorded the highest number of cases of COVID-19 in Africa. There is uncertainty as to what the significance of this dual infection is, and whether people living with HIV (PLWH) have worse outcomes compared to HIV-negative patients with COVID-19. This study compared the outcomes of COVID-19 in a group of HIV-positive and HIV-negative patients admitted to a tertiary referral centre in Johannesburg, South Africa.

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We determined the effect of HIV infection on deaths among persons >18 months of age with culture-confirmed candidemia at 29 sentinel hospitals in South Africa during 2012-2017. Of 1,040 case-patients with documented HIV status and in-hospital survival data, 426 (41%) were HIV-seropositive. The in-hospital case-fatality rate was 54% (228/426) for HIV-seropositive participants and 37% (230/614) for HIV-seronegative participants (crude odds ratio [OR] 1.

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Background: Coronavirus disease 2019 (COVID-19) pandemic has caused unprecedented pressure on healthcare system globally. Lack of high-quality evidence on the respiratory management of COVID-19-related acute respiratory failure (C-ARF) has resulted in wide variation in clinical practice.

Methods: Using a Delphi process, an international panel of 39 experts developed clinical practice statements on the respiratory management of C-ARF in areas where evidence is absent or limited.

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