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Burns DW, Chan VWS, Trivedi A, Englesakis M, Munshey F, Singh M. Ready to scan? A systematic review of point of care ultrasound (PoCUS) for screening of obstructive sleep apnea (OSA) in the pediatric population. J Clin Anesth 2022; 83:110973. [PMID: 36152603 DOI: 10.1016/j.jclinane.2022.110973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/30/2022] [Accepted: 09/06/2022] [Indexed: 10/14/2022]
Abstract
STUDY OBJECTIVE Diagnosis of obstructive sleep apnea (OSA) in pediatric practice is challenging, as screening questionnaires are inadequate and sleep studies are resource limited and time-consuming. A recent systematic review and meta-analysis of perioperative point-of-care ultrasound (PoCUS) in adults identified several parameters which correlate with OSA diagnosis and are the subject of an ongoing prospective study. The objective of this systematic review was to evaluate the usefulness of surface airway ultrasound as a PoCUS tool for OSA screening in the pediatric population. DESIGN Databases were searched for observational cohort studies and randomized controlled trials of patients under 18 years of age undergoing quantitative surface US measurement of extra-thoracic airway structures where correlation or association was examined either directly to OSA diagnosis or indirectly to an alternative reference measure. Diagnostic properties and correlation between US parameters (index test) and reference measures were evaluated where possible. MAIN RESULTS Of the initial 8499 screened articles, 12 articles (8 airway, 4 non-airway) evaluating 1237 patients were included. Six of these studies were conducted in the sleep/obesity clinic and six in in the perioperative population. Ten studies were prospective and two were cross sectional studies. Airway parameters which correlated with moderate-severe OSA were lateral pharyngeal wall thickness and total neck thickness at the retropharyngeal level. Tonsil volume was not correlated with OSA diagnosis or severity. In tonsillectomy patients, tonsil volume on preoperative ultrasound correlated well with volume of surgical specimens. Adenoid thickness correlated strongly with radiological and endoscopic measures of size and occlusion. CONCLUSION Ultrasound measurement in children indicates several parameters which correlate with OSA diagnosis or with other reference measurements. This has not yet been validated as a diagnostic tool, however the recent emergence of research in this area is encouraging and the findings from this review will inform future studies.
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Affiliation(s)
- Donogh W Burns
- Department of Anesthesiology and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Vincent W S Chan
- Department of Anesthesiology and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Aditya Trivedi
- Department of eHealth, McMaster University, Hamilton, Ontario, Canada
| | - Marina Englesakis
- Library & Information Services, University Health Network, Toronto, Canada
| | - Farrukh Munshey
- Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Mandeep Singh
- Department of Anesthesiology and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada; Toronto Sleep and Pulmonary Centre, Toronto, Canada; Department of Anesthesiology and Pain Management, Women's College Hospital, Toronto, Ontario, Canada.
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Cicero AFG, Morbini M, Urso R, Rosticci M, Parini A, Grandi E, D'Addato S, Borghi C. Association between self-reported snoring and arterial stiffness: data from the Brisighella Heart Study. Intern Emerg Med 2016; 11:77-83. [PMID: 26415727 DOI: 10.1007/s11739-015-1310-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Accepted: 08/20/2015] [Indexed: 01/13/2023]
Abstract
The correlation of both obstructive sleep apnoea syndrome (OSAS) and snoring with cardiovascular risk is well known, but its investigation is complex and not suitable for studying large cohorts of subjects. Thus, we prospectively evaluated 1476 non-pharmacologically treated subjects selected from the last survey of the Brisighella Heart Study. Snoring and sleep apnoea were investigated asking the subjects if they were aware of snoring during the night, and if this was associated with episodes of apnoea. A full set of clinical and laboratory parameters were evaluated, while augmentation index (AIx), and pulse wave velocity (PWV) were recorded with the Vicorder(®) apparatus. A logistic regression analysis identifies as main independent predictors of AIx age (OR 1.058, 95% CI 1.043-1.065, p < 0.001), Body Mass Index (OR 1.046, 95% CI 1.014-1.079, p = 0.005), and apolipoprotein B (OR 1.014, 95% CI 1.004-1.023, p = 0.001). The main independent predictors of PWV are snoring (OR 1.215, 95% CI 1.083-1.390, p < 0.001), and snoring with apnoea (OR 1.351, 95% CI 1.135-1.598, p = 0.014), age (OR 1.078, 95% CI 1.052-1.089, p < 0.001), serum uric acid [SUA] (OR 1.093, 95% CI 1.026-1.151, p < 0.001) and mean arterial pressure (OR 1.042, 95% CI 1.024-1.056, p < 0.001). In conclusion, in our cohort of overall healthy subjects, self-reported snoring and sleep apnoea are independently associated with a higher PVW, and AIx is statistically significantly higher in snorers with or without sleep apnoea than in non-snorers. Body Mass Index and apolipoprotein B are associated with AIx, while SUA and mean arterial pressure are related to PWV.
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Affiliation(s)
- Arrigo F G Cicero
- Medical and Surgical Sciences Department, U.O. Medicina Interna Borghi, Sant'Orsola-Malpighi University Hospital, University of Bologna, Via Albertoni, 15, 40138, Bologna, Italy.
| | - Martino Morbini
- Medical and Surgical Sciences Department, U.O. Medicina Interna Borghi, Sant'Orsola-Malpighi University Hospital, University of Bologna, Via Albertoni, 15, 40138, Bologna, Italy
| | - Riccardo Urso
- Medical and Surgical Sciences Department, U.O. Medicina Interna Borghi, Sant'Orsola-Malpighi University Hospital, University of Bologna, Via Albertoni, 15, 40138, Bologna, Italy
| | - Martina Rosticci
- Medical and Surgical Sciences Department, U.O. Medicina Interna Borghi, Sant'Orsola-Malpighi University Hospital, University of Bologna, Via Albertoni, 15, 40138, Bologna, Italy
| | - Angelo Parini
- Medical and Surgical Sciences Department, U.O. Medicina Interna Borghi, Sant'Orsola-Malpighi University Hospital, University of Bologna, Via Albertoni, 15, 40138, Bologna, Italy
| | - Elisa Grandi
- Medical and Surgical Sciences Department, U.O. Medicina Interna Borghi, Sant'Orsola-Malpighi University Hospital, University of Bologna, Via Albertoni, 15, 40138, Bologna, Italy
| | - Sergio D'Addato
- Medical and Surgical Sciences Department, U.O. Medicina Interna Borghi, Sant'Orsola-Malpighi University Hospital, University of Bologna, Via Albertoni, 15, 40138, Bologna, Italy
| | - Claudio Borghi
- Medical and Surgical Sciences Department, U.O. Medicina Interna Borghi, Sant'Orsola-Malpighi University Hospital, University of Bologna, Via Albertoni, 15, 40138, Bologna, Italy
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Nisbet LC, Yiallourou SR, Walter LM, Horne RSC. Blood pressure regulation, autonomic control and sleep disordered breathing in children. Sleep Med Rev 2013; 18:179-89. [PMID: 23850404 DOI: 10.1016/j.smrv.2013.04.006] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 04/10/2013] [Accepted: 04/29/2013] [Indexed: 02/07/2023]
Abstract
Sleep disordered breathing (SDB) ranges in severity from primary snoring (PS) to obstructive sleep apnoea (OSA). In adults, SDB is associated with adverse cardiovascular consequences which are mediated, in part, by autonomic dysfunction. Although SDB is common in children, fewer paediatric studies have investigated these cardiovascular effects. Initial research focused on those with OSA, indeed children with PS were occasionally utilised as the comparison control group. However, it is essential to understand the ramifications of this disorder in all its severities, as currently the milder forms of SDB are often untreated. Methodologies used to assess autonomic function in children with SDB include blood pressure (BP), BP variability, baroreflex sensitivity, heart rate variability, peripheral arterial tonometry and catecholamine assays. The aim of this review was to summarise the findings of paediatric studies to date and explore the relationship between autonomic dysfunction and SDB in children, paying particular attention to the roles of disease severity and/or age. This review found evidence of autonomic dysfunction in children with SDB during both wakefulness and sleep. BP dysregulation, elevated generalised sympathetic activity and impairment of autonomic reflexes occur in school-aged children and adolescents with SDB. The adverse effects of SDB seem somewhat less in young children, although more studies are needed. There is mounting evidence that the cardiovascular and autonomic consequences of SDB are not limited to those with OSA, but are also evident in children with PS. The severity of disease and age of onset of autonomic consequences may be important guides for the treatment of SDB.
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Affiliation(s)
- Lauren C Nisbet
- The Ritchie Centre, Monash Institute of Medical Research, Monash University, Melbourne, Australia
| | - Stephanie R Yiallourou
- The Ritchie Centre, Monash Institute of Medical Research, Monash University, Melbourne, Australia
| | - Lisa M Walter
- The Ritchie Centre, Monash Institute of Medical Research, Monash University, Melbourne, Australia
| | - Rosemary S C Horne
- The Ritchie Centre, Monash Institute of Medical Research, Monash University, Melbourne, Australia.
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Abstract
Obstructive sleep apnea (OSA) is increasingly being recognized as a major health burden with strong focus on the associated cardiovascular risk. Studies from the last two decades have provided strong evidence for a causal role of OSA in the development of systemic hypertension. The acute physiological changes that occur during apnea promote nocturnal hypertension and may lead to the development of sustained daytime hypertension via the pathways of sympathetic activation, inflammation, oxidative stress, and endothelial dysfunction. This review will focus on the acute hemodynamic disturbances and associated intermittent hypoxia that characterize OSA and the potential pathophysiological mechanisms responsible for the development of hypertension in OSA. In addition the epidemiology of OSA and hypertension, as well as the role of treatment of OSA, in improving blood pressure control will be examined.
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Affiliation(s)
- Craig L Phillips
- Department of Respiratory and Sleep Medicine, Royal North Shore Hospital, Sydney, Australia ; National Health and Medical Research Council Center for Integrated Research and Understanding of Sleep, Woolcock Institute of Medical Research, University of Sydney, Sydney, Australia ; Discipline of Sleep Medicine, Sydney Medical School, University of Sydney, Sydney, Australia
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