Impact of the pediatric tonsillectomy and polysomnography clinical practice guidelines
Introduction
Clinical practice guidelines (CPGs) are constructed by medical groups using the literature, to guide physicians in the evaluation and management of patients. The overall goal of any guideline is to standardize care and improve the quality of care that patients receive. The American Academy of Otolaryngology—Head and Neck Surgery Foundation (AAO-HNSF) released two new CPGs in January and July of 2011: tonsillectomy in children and polysomnography for sleep-disordered breathing prior to tonsillectomy in children [1], [2].
The CPG: tonsillectomy in children was created to help physicians safely and consistently identify pediatric patients who are optimal candidates for tonsillectomy (Appendix A). In addition, its objectives were to optimize perioperative management of children undergoing tonsillectomy, emphasize the need for evaluation and intervention in special populations, improve counseling and education of families who are considering tonsillectomy for their child, highlight the management options for patients with modifying factors, and reduce inappropriate or unnecessary variations in care [1].
Strong recommendations within the guidelines included administration of a single dose of intravenous intra-operative dexamethasone and avoidance of post-operative antibiotics. This contrasts with the results of our previous study, which showed that 85% of pediatric otolaryngologists and 78% of general otolaryngologists prescribed antibiotics [3]. Similarly, the CPG: polysomnography for sleep-disordered breathing prior to tonsillectomy in children was created to provide evidence-based recommendations for polysomnography (PSG) prior to tonsillectomy in children aged 2 to 18 years with sleep disordered breathing (Appendix B) [2]. PSG was recommended for patients with trisomy 21, obesity, craniofacial anomalies, neuromuscular disorders, sickle cell disease, mucopolysachridoses or in situations where the physical exam did not correlate with symptoms.
The literature shows that physicians are moderately compliant with CPGs. A review from Israel found that primary care physicians had an adherence rate of 55.4% when treating complicated episodes of acute otitis media [4]. In 2012, Aarts et al. examined the impact of CPGs on Dutch otolaryngologists [5]. In this study, 70% of respondents reported that their daily clinical practice was influenced by evidence-based guidelines. Of these, 62% stated that evidence-based guidelines supported their clinical practice while 32% stated that guidelines directed their clinical practice. The purpose of our study is to determine if otolaryngologists have changed their tonsillectomy practice or PSG referral pattern following publication of the CPGs.
A 15-question survey regarding the CPGs was designed (Table 1) to ascertain the influence they had had on practice patterns. Open-ended questions were included to provide the opportunity for participant feedback if his/her preference was not listed. The potential list of participants was obtained from the member database of the AAO-HNSF. Those who were designated as pediatric otolaryngologists (n = 299) regardless of fellowship status were included in the study group. Of the remaining members, 372 were randomly selected for inclusion in the study. A total of 671 United States Board Certified otolaryngologists were invited by email to complete the survey via Survey Monkey® in the fall of 2011. A second invitation was sent to physicians in the winter of 2012. Data was analyzed using the Statistical Package for the Social Sciences software package v. 17 (IBM®, Chicago, IL, USA). The Penn State University Institutional Review Board reviewed and approved this study.
Section snippets
Demographics of participants
280 physicians returned the survey, yielding a response rate of 41.7%. Ninety-three percent of respondents had read the CPG: tonsillectomy and/or CPG: polysomnography for sleep-disordered breathing prior to tonsillectomy in children. Respondents who read at least one of the two guidelines were included in the results. Participants who had not read either of the guidelines were excluded (n = 23). Four of these physicians were fellowship trained pediatric otolaryngologists. The number of years in
Discussion
Tonsillectomy is one of the most common surgeries performed in the United States on patients younger than 15 years of age [6]. There are well over one half million tonsillectomies performed each year. It continues to incite a great deal of interest and debate within the otolaryngology community as demonstrated by the responses we received to our survey. Based on our study, the CPGs had a modest impact on clinical practice, with up to one third of physicians changing their clinical practice.
Conclusions
This study was performed to evaluate whether practicing otolaryngologists have altered their management of tonsillectomy patients after the publication of the CPG. Notably, up to 31% of otolaryngologists did change their practice in response to the guidelines, reinforcing that the guidelines do influence clinical practice. Overall compliance rates were similar to adherence rates published previously among otolaryngologists [4], [5], [8]. The majority of physicians who responded to the survey
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