Critical care medicine:

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Infants with congenital diaphragmatic hernia (CDH) benefit from comprehensive multidisciplinary teams that have experience in caring for the unique and complex issues associated with CDH. Despite prenatal referral to specialized high-volume centers, advanced ventilation strategies and pulmonary hypertension management, and extracorporeal membrane oxygenation, mortality and morbidity remain high. These infants have unique and complex issues that begin in fetal and infant life, but persist through adulthood. Here we will review the literature and share our clinical care pathway for neonatal care and follow up. While many advances have occurred in the past few decades, our work is just beginning to continue to improve the mortality, but also importantly the morbidity of CDH.

PURPOSE OF REVIEW: To provide an overview of the current diagnostic criteria for acute kidney injury (AKI) including their limitations and to discuss prevention and treatment approaches in the perioperative setting.

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PURPOSE OF REVIEW: This review discusses novel concepts of acute kidney injury (AKI), including subphenotyping, which may facilitate the development of target treatment strategies for specific subgroups of patients to achieve precision medicine.

PURPOSE OF REVIEW: This review explores the transformative advancement, potential application, and impact of artificial intelligence (AI), particularly machine learning (ML) and large language models (LLMs), on critical care nephrology.

PURPOSE OF REVIEW: Acute kidney injury (AKI) is commonly encountered in critical care medicine as is intravenous fluid therapy. It is accepted that there is interplay between fluid use and AKI, both potentially positive and negative. An understanding of the physiological rationale for fluid is important to help clinicians when considering fluid therapy in patients with, or at risk for AKI; this includes understanding choice of fluid, method of monitoring, administration and clinical sequelae.

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The term "urban-rural divide" encompasses several dimensions and has remained an important concern for any country. The economic disparity; lack of infrastructure; dearth of medical specialists; limited opportunities to education, training, and health care; lower level of sanitation; and isolating effect of geographical location deepens this gap, especially in low-income and middle-income countries (LMICs). This article gives an overview of the rural-urban differences in terms of facilities related to neurocritical care (NCC) in LMICs. Issues related to common clinical conditions such as stroke, traumatic brain injury, myasthenia gravis, epilepsy, tubercular meningitis, and tracheostomy are also discussed. To facilitate delivery of NCC in resource-limited settings, proposed strategies include strengthening preventive measures, focusing on basics, having a multidisciplinary approach, promoting training and education, and conducting cost-effective research and collaborative efforts. The rural areas of LMICs bear the maximum impact because of their limited access to preventive health services, high incidence of acquired brain injury, inability to have timely management of neurological emergencies, and scarcity of specialist services in a resource-deprived health center. An increase in the health budget allocation for rural areas, NCC education and training of the workforce, and provision of telemedicine services for rapid diagnosis, management, and neurorehabilitation are some of the steps that can be quite helpful.

Pediatric neurocritical care teams care for patients and families facing the potential for significant neurologic impairment and high mortality. Such admissions are often marked by significant prognostic uncertainty, high levels of parental emotional overload, and multiple potentially life-altering decision points. In addition to clinical acumen, families desire clear and consistent communication, supported decision-making, a multidisciplinary approach to psychosocial supports throughout an admission, and comprehensive bereavement support after a death. Distinct from their adult counterparts, pediatric providers care for a broader set of rare diagnoses with limited prognostic information. Decision-making requires its own ethical framework, with substitutive judgment giving way to the best interest standard as well as "good parent" narratives. When a child dies, bereavement support is often needed for the broader community. There will always be a role for specialist palliative care consultation in the pediatric neurocritical care unit, but the care of every patient and family will be well served by improving these primary palliative care skills.

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PURPOSE OF REVIEW: To discuss the role of hemodynamic management in critically ill patients with acute kidney injury.

Abstract: Interstitial lung disease (ILD) in systemic sclerosis (SSc) is a common complication that has a varied progression rate and prognosis. Different progression definitions are available, including minimal clinically important worsening of FVC, EUSTAR (European Scleroderma Trials and Research Group) progression, OMERACT (Outcome Measures in Rheumatology Clinical Trials) progression, and Erice ILD working group progression. Pulmonary function and symptom changes may act as specific confounding factors when applying these definitions in SSc. To assess the concordance and prognostic value of four different definitions in patients with SSc-ILD overall and in specific clinical groups. Progression status in consecutive patients with SSc-ILD was assessed over 24 months, and 60-month disease-related mortality risk was compared between progressors and nonprogressors using four definitions. Among 245 patients, 26 SSc-related deaths were reported. Mortality was linked to progression for minimal clinically important worsening of FVC (hazard ratio [HR], 2.27; 95% confidence interval [CI], 1.03-4.97), OMERACT (HR, 2.90; 95% CI, 1.28-6.57), and Erice definitions (HR, 2.69; 95% CI, 1.23-5.89). The association between progression and mortality was poor in patients with disease duration ≥3 years, mild functional impairment, and pulmonary artery systolic pressure ≥40 mm Hg. Erice criteria appeared superior in patients with duration ≥3 years, limited cutaneous variant, and pulmonary artery systolic pressure <40 mm Hg. OMERACT criteria performed better in diffuse cutaneous variant patients with severe functional impairment. The four evaluated definitions of progression in SSc-ILD are not interchangeable, resulting in up to one-third of cases being classified differently on the basis of adopted criteria and presenting different prognostic values, particularly within specific clinical groups.

Hantaviruses, members of the Bunyaviridae family, can cause two patterns of disease in humans, hantavirus hemorrhagic fever with renal syndrome (HFRS) and cardiopulmonary syndrome (HCPS), being the latter hegemonic on the American continent. Andesvirus is one of the strains that can cause HCPS and is endemic in Chile. Its transmission occurs through direct or indirect contact with infected rodents' urine, saliva, or feces and inhalation of aerosol particles containing the virus. HCPS rapidly evolves into acute but reversible multiorgan dysfunction. The hemodynamic pattern of HCPS is not identical to that of cardiogenic or septic shock, being characterized by hypovolemia, systolic dysfunction, and pulmonary edema secondary to increased permeability. Given the lack of specific effective therapies to treat this viral infection, the focus of treatment lies in the timely provision of intensive care, specifically hemodynamic and respiratory support, which often requires veno-arterial extracorporeal membrane oxygenation (VA-ECMO). This narrative review aims to provide insights into specific ICU management of HCPS based on the available evidence and gathered experience in Chile and South America including perspectives of pathophysiology, organ dysfunction kinetics, timely life support provision, safe patient transportation, and key challenges for the future.

We have a reason to value the Uniform Determination of Death Act (UDDA). Since enactment, the UDDA has been of paramount importance to US citizens, families of comatose patients, and the health care professionals who care for them. The UDDA sets forth two standards for determining death and leaves to the medical community to elaborate criteria by which physicians can determine when those standards have been met. Neurologists and neurocritical care experts always have been center stage in this effort. Perfectly established, why change it? What ignited the recent review of the UDDA were lawsuits questioning medical (neurological) authority leading to the wording and accuracy of the UDDA being revisited. The major objections to the language of the UDDA by several groups led a committee appointed by the Uniform Law Commission to consider several substantial changes in the Act. After several years of discussion without reaching a consensus, the committee's chair suspended the effort. Upending the UDDA will lead to a legal crisis and confusion across the states. We present our main arguments against revising this statute and argue that the committee's failure to revise the UDDA should actually be seen as a necessary success.

BACKGROUND: Neurologically critically ill patients present with unique disease trajectories, prognostic uncertainties, and challenges to end-of-life (EOL) care. Acute brain injuries place these patients at risk for underrecognized symptoms and unmet EOL management needs, which can negatively affect their quality of care and lead to complicated grief in surviving loved ones. To care for patients nearing the EOL in the neurointensive care unit, health care clinicians must consider neuroanatomic localization, barriers to symptom assessment and management, unique aspects of the dying process, and EOL management needs.

CONCLUSIONS: Experienced clinicians tend to personalize ICP management, emphasizing the importance of considering various monitoring techniques. ICPW and noninvasive techniques, particularly in LMIC settings, warrant further exploration and could potentially enhance individualized patient care. The study suggests updating guidelines to include these additional components for a more personalized approach to ICP management.

Health disparities continue to plague racial and ethnic underserved patients in the United States. Disparities extend to the most critically ill patients, including those experiencing neurologic injury and patients at the end of life. Achieving health equity in palliative care in the neurointensive care unit requires clinicians to acknowledge and address structural racism and the social determinants of health. This article highlights racial and ethnic disparities in neurocritical care and palliative care and offers recommendations for an anti-racist approach to palliative care in the neurointensive care unit for clinicians.