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- W2113670593 abstract "The July 2001 issue ofPediatrics contained a commentary by Freeman entitled “The Risk of Sedation for Electroencephalograms: Data at Last.”1 This commentary, written to accompany a paper by Olson et al,2 made several statements based on erroneous statistical inference. We are grateful to the editors ofPediatrics for granting us this forum in which to respond to that commentary. The great importance of safety for children who need sedation is clearly reflected in past publications of this journal, most notably the American Academy of Pediatrics (AAP) “Guidelines for Monitoring and Management of Pediatric Patients During and After Sedation for Diagnostic and Therapeutic Procedures.”3We, as did Dr Freeman, commend Olson and colleagues for demonstrating that sedation for electroencephalograms (EEGs) in children is usually not necessary when effective behavioral techniques are employed. Nevertheless, there are occasions when behavioral techniques are inadequate, as demonstrated by the 513 patients (18% of the total in this series) who received sedation with chloral hydrate and other drugs. Three of these patients developed oxygen desaturation to between 82% and 88%. This corresponds to a Pao2 of about 45 to 55, a significant degree of hypoxemia. Although transient hypoxemia is unlikely to lead to long-term consequences, unrecognized or inadequately treated hypoxemia, especially when related to airway obstruction, may progress to more severe complications. It is to the investigators' credit that their compliance with the AAP guidelines for monitoring during sedation resulted in prompt recognition and treatment of the airway problems without sequelae. This ability to rescue from complications is strongly emphasized in the 2001 standards of the Joint Commission on Accreditation of Healthcare Organizations (JCAHO).4Dr Freeman asserts that because these hypoxic episodes occurred in children with risks for airway problems, one cannot ascribe the desaturation episodes to the chloral hydrate. There is no evidence whatsoever to support this contention, nor to support the implication that because these children might have desaturation episodes during natural sleep that chloral hydrate poses no additional risk. Pharmacologically induced loss of consciousness is not the same as natural sleep. We contend that these events further emphasize the need for adherence to the monitoring guidelines, because not all children at risk are readily identified prospectively. Furthermore, a major requirement of the AAP guidelines is to obtain a careful history and physical examination with particular attention to the airway and issues of ventilatory control. Without requirements to follow such guidelines for presedation screening, the recognition of children at increased risk for sedation complications may not occur until airway obstruction ensues after the administration of sedation.A classic article published in the Journal of the American Medical Association nearly 20 years ago was entitled “If Nothing Goes Wrong, is Everything All Right?”5 Its authors discuss the inability to infer safety from investigations in which there were no complications. In Olson's study, in which 513 patients received sedation, it is not surprising that serious adverse outcomes were not detected—the incidence of these events is likely to be in the magnitude of <1 per 10 000. The Olson study clearly lacks the statistical power to draw any conclusions regarding safety. It seems that the authors, and Dr Freeman, fell into the trap of a type II statistical error. Dr Freeman dramatically compounds the erroneous conclusion that sedation is “safe” when he further questions whether “a qualified and credentialed individual is needed at whatever level of sedation or anesthesia is achieved, either intentionally or unintentionally.” This statement, which belies all credulity, was not even a hypothesis advanced in the study in question. One wonders what the outcome might have been in the patients who developed airway obstruction, had properly trained and skilled nursing and medical personnel not been present to detect and intervene in those events. The study by Coté et al, which Freeman dismisses because there is no denominator, did not intend to describe the incidence of sedation complications, but rather analyzed the characteristics of certain practices common to those events.6 In that study, practices similar to those that Dr Freeman seems to advocate were identified as having a high risk of complications. The suggestion that an EEG technician, with no medical training or certification, can be relied on to effectively recognize and treat airway obstruction, hypoventilation, and hypoxemia, or that a pulse oximeter is an effective substitute for a qualified and vigilant clinician is, we believe, a recipe for disaster.It is important to comment on the authorship, intent, and implications of the “Guidelines for Monitoring and Management of Pediatric Patients During and After Sedation” promulgated by the Committee on Drugs of the AAP.3 These guidelines were developed by a multidisciplinary group of pediatric specialists, and included only 1 anesthesiologist out of the 18 authors listed on the document. These guidelines, and the 2001 JCAHO standards,4 were not designed to increase cost or create roadblocks for clinical care. They were written to address the problem of iatrogenic injury and medical error by using a systems approach, in which high-risk techniques are identified and avoided, and replaced with alternative strategies designed to minimize risk while maximizing efficacy. In other industries, such as aviation and nuclear power, such an approach has effectively decreased error by orders of magnitude. A recent Institute of Medicine report has clearly made these goals a priority for the medical profession.7 Last year's report, “To Err Is Human: Building a Safer Health Care System,” indicated that medical errors are symptoms of a dysfunctional system—the majority of medical errors do not result from individual recklessness, but from basic flaws in the way a health system is organized.8 Dr Freeman would have us continue to use dysfunctional systems that will eventually fail, resulting inevitably in death or other catastrophic outcomes. To begin this process, we must examine the acceptable rate of error in any system and “design in” safety mechanisms in our routine practices. Certainly, the issues of cost, reimbursement, and resource allocation are factors in establishing these systems, but patient safety must always remain the foremost objective.The proposition advanced by Dr Freeman that anesthesiologists have a conflict of interest in developing or disseminating guidelines for the safe conduct of sedation is both insulting and unfounded. The Institute of Medicine report specifically acknowledged the specialty of anesthesiology as being a pioneer in the field of patient safety. The authors note that “anesthesia is an area in which very impressive improvements in safety have been made … anesthesiology has successfully reduced anesthesia mortality rates from 2 deaths per 10 000 anesthetics administered to 1 death per 200 000.”8 Pediatric anesthesiologists are pediatric specialists (indeed, many of us are also pediatricians) whose concern is the safety and welfare of pediatric patients. As anesthesiologists, we are recognized experts in the provision of sedation and the monitoring and care of infants and children who have received drugs that alter consciousness. We have no interest in providing anesthesia services to patients receiving EEGs, nor are we aware of any anesthesia service that does so routinely. Our objective is not any professional, financial, or personal gain from the use of safe techniques for caring for sedated infants and children; it is the desire to see that the inherent risks in those procedures have been minimized as much as possible. The adversarial role into which Dr Freeman appears to thrust us is one we vehemently reject—we are your colleagues, working toward the same goals of child health and advocacy.We recognize that a commentary is by its nature a statement of opinion, but nevertheless believe that the commentary by Freeman reflects an outdated approach to sedation in children that is no longer “state of the art” or even acceptable. Continuing to do things in the way they have been done in the past does not necessarily serve the interests of children, who deserve better. Great progress has been made in the past 15 years in increasing the safety of sedation care for children, much of it spearheaded by the AAP, and often with the assistance of anesthesiologists who specialize in the care of children. This is not the time to reverse that trend." @default.
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- W2113670593 date "2001-10-01" @default.
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- W2113670593 title "Sedation, Risk, and Safety: Do We Really Have Data at Last?" @default.
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