
Introduction
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Critically ill patients commonly experience pain, and the provision of analgesia is an essential component of intensive care unit (ICU) care. Opioids are the mainstay of pain management in the ICU but are limited by their adverse effects, risk of addiction and abuse, and recent drug shortages of injectable formulations. A multimodal analgesia approach, utilizing nonopioid analgesics as adjuncts to opioid therapy, is recommended since they may modulate the pain response and reduce opioid requirements by acting on multiple pain mediators. Nonopioid analgesics discussed in detail in this article are acetaminophen, α-2 receptor agonists, gabapentinoids, ketamine, lidocaine, and nonsteroidal anti-inflammatory drugs. This literature review describes the clinical pharmacology, supportive ICU and relevant non-ICU data, and practical considerations associated with the administration of nonopioid analgesics in critically ill adult patients.
Agitation, delirium, and sleep dysfunction in the intensive care unit (ICU) are common occurrences that result in negative patient outcomes. With the recent publication of the 2018 Clinical Practice Guidelines for the Prevention and Management of Pain, Agitation/Sedation, Delirium, Immobility, and Sleep Disruption in Adult Patients in the ICU (PAD-IS), several areas are of particular interest due to emerging literature or conflicting results of research.
To highlight areas where emerging literature or variable study results exist and to provide the clinician with recommendations regarding patient management.
The 2018 PAD-IS guidelines were reviewed, and areas of emerging literature or lack of consensus of included investigations surrounding pharmacologic management of sedation, delirium, and sleep in the ICU were identified. A review and appraisal of the literature was conducted specifically to address the identified areas. Prospective, randomized trials were included in this narrative review.
Four areas with emerging data or conflicting evidence were identified and included: use of propofol or dexmedetomidine for sedation, pharmacologic prevention of delirium, treatment of delirium, and pharmacologic strategies to improve sleep.
A comprehensive approach to the prevention and management of delirium, sedation, and sleep in the ICU is necessary to optimize patient outcomes.
Acute kidney injury (AKI) develops in 8% to 16% of hospital admissions. These patients exhibit a 4- to 10-fold increase in mortality and prolonged hospital stays. There is a dearth of information on the economics of AKI, especially in critically ill patients whose health-care costs are already high. It is important that pharmacists understand the economic impact of AKI to optimally prevent and treat AKI occurrence, thus reducing total hospital costs. Authors used MEDLINE, PubMed, and Google Scholar searches up to April 2019. Inpatient AKI affects an estimated 498 000 patients in the United States with its annual cost from $4.7 to $24.0 billion. Average patient costs of AKI in the intensive care unit are generally double than those of non-AKI patients. High AKI severity portends a higher cost. Total hospital costs in patients with AKI ranged from $29 700 in cardiac surgery patients to $80 400 in cardiogenic shock. Incremental increases of cost range from $9400 in major surgery patients and up to $81 000 in nonsurviving dialysis patients. The enormity of the clinical and economic impact of AKI should be a call to action by pharmacists to expeditiously select patient-specific therapies to prevent and treat AKI, and thus reduce its economic burden on an already fragile health-care system.
Patients with pulmonary arterial hypertension (PAH) who are admitted to the intensive care unit (ICU) pose a challenge to the multidisciplinary health-care team due to the complexity of the pathophysiology of their disease state and the medication considerations that must be made to appropriately manage them. PAH is a progressive disease with the majority of patients ultimately dying as a result of right ventricular (RV) failure. During an acute decompensation, patients must be appropriately managed to optimize volume status, RV function, cardiac output, and systemic perfusion, while treating the underlying cause of the exacerbation. During times of critical illness, the ability to administer medications approved for use in PAH can be impacted by end-organ damage, hemodynamic instability, new drug interactions, or available dosage forms. Balancing the multimodal treatment approach needed to manage an acute exacerbation and the pharmacokinetic and administration concerns impacting baseline PAH therapy as a result of critical illness requires an expert multiprofessional PAH team. The purpose of this review is to evaluate specific management considerations for critically ill patients with PAH in the ICU.
Endocrine emergencies are frequent in critically ill patients and may be the cause of admission or can be secondary to other critical illness. The ability to anticipate endocrine abnormalities such as adrenal excess or , hypothyroidism, can mitigate their duration and severity. Hyperglycemic crisis may trigger hospital and intensive care unit (ICU) admission and may be life threatening. Recognition and safe treatment of severe conditions such as acute adrenal insufficiency, thyroid crisis, and hypoglycemia and hyperglycemic crisis may be lifesaving. Electrolyte abnormalities such as hypercalcemia and hypocalcemia may have underlying endocrine causes, and may be treated differently with recognition of those disorders- electrolyte replacement alone may not be adequate for efficient resolution. Sodium disorders are common in the ICU and are generally related to altered water balance however may be related to pituitary abnormalities in selected patients, and recognition may improve treatment effectiveness and safety.
Treatment of suspected infections in critically ill patients requires the timely initiation of appropriate antimicrobials and rapid de-escalation of unnecessary broad-spectrum coverage. New advances in rapid diagnostic tests can now offer earlier detection of pathogen and potential resistance mechanisms within hours of initial culture growth. These technologies, combined with pharmacist antimicrobial stewardship efforts, may result in shorten time to adequate coverage or earlier de-escalation of unnecessary broad spectrum antimicrobials, which could improve patient outcomes and lower overall treatment cost. Furthermore, de-escalation of antimicrobials may lead to decreased emergence of resistant organisms and adverse events associated with antimicrobials. Clinical pharmacists should be aware of new rapid diagnostic tests, including their application, clinical evidence, and limitations, in order to implement the most appropriate clinical treatment strategy when patients have positive cultures. This review will focus on commercially available rapid diagnostic tests for infections that are routinely encountered by critically ill patients, including gram-positive and gram-negative bacterial blood stream infections,
Such as any field of medicine, it is imperative to stay current with the latest advances and treatment modalities in toxicology. With the absence of rigorous randomized controlled trials, many updated guidelines are created by expert consensus and/or case reports and clinical experience. Over the past 10 years, there have been several changes in the management of drug overdoses in light of new data available. Although this is not a comprehensive review of all available antidotes, this article will focus on several important interventions including the use of gastrointestinal decontamination, hyperinsulinemic–euglycemic therapy, methylene blue, intravenous lipid emulsion, hemodialysis, and extracorporeal membrane oxygenation.
Acute respiratory distress syndrome (ARDS) remains a common complication associated with significant negative outcomes in critically ill patients. Lung-protective mechanical ventilation strategies remain the cornerstone in the management of ARDS. Several therapeutic options are currently available including fluid management, neuromuscular blocking agents, prone positioning, extracorporeal membrane oxygenation, corticosteroids, and inhaled pulmonary vasodilating agents (prostacyclins and nitric oxide). Unfortunately, an evidence-based, standard-of-care approach in managing ARDS beyond lung-protective ventilation remains elusive, contributing to significant variability in clinical practice. Although the optimal therapeutic strategy for managing moderate to severe ARDS remains extremely controversial, therapies supported with more robust clinical evidence should be considered first. The purpose of this narrative review is to discuss the published clinical evidence for both pharmacologic and nonpharmacologic management strategies in adult patients with moderate to severe ARDS as well as to discuss practical considerations for implementation.