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Duncan DR, Golden C, Larson K, Williams N, Simoneau T, Rosen RL. Breastfeeding in infants who aspirate may increase risk of pulmonary inflammation. Pediatr Pulmonol 2024; 59:600-608. [PMID: 38038162 PMCID: PMC10922248 DOI: 10.1002/ppul.26788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/24/2023] [Accepted: 11/21/2023] [Indexed: 12/02/2023]
Abstract
OBJECTIVE To evaluate management strategies and pulmonary outcomes for breastfed infants with oropharyngeal dysphagia. STUDY DESIGN We performed a retrospective cohort study of breastfed infants diagnosed with oropharyngeal dysphagia with documented aspiration or laryngeal penetration on videofluoroscopic swallow study (VFSS). Medical records were reviewed for VFSS results and speech-language pathologist recommendations following VFSS, results of chest x-ray, results of bronchoalveolar lavage (BAL) within 1 year of VFSS, and aspiration-related hospitalizations occurring before or within 1 year of VFSS. Subjects were categorized as cleared or not cleared to breastfeed based on the VFSS. Proportions were compared with Chi-square and Fisher's exact tests and means with Student's t-tests. RESULTS Seventy-six infants (4.7 ± 0.4 months old) were included; 50% (38) had aspiration and 50% (38) had laryngeal penetration. After VFSS, 70% (53) were cleared to breastfeed while 30% (23) were not cleared to breastfeed. Patients with aspiration were less likely to be cleared to breastfeed (p = .006); however, 55% (21/38) of those with aspiration were still cleared to breastfeed. Infants cleared to breastfeed had significantly more pulmonary hospitalizations (p = .04) and were also at increased risk of elevated neutrophil count (p = .02) and culture growth on BAL (p = .01). Significantly increased abnormal neutrophil count was also found in those cleared to breastfeed with laryngeal penetration (p = .01). CONCLUSIONS Infants with oropharyngeal dysphagia counseled to continue breastfeeding had increased risk of BAL inflammation and more pulmonary hospitalizations compared to those that were told to stop breastfeeding.
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Affiliation(s)
- Daniel R. Duncan
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
| | - Clare Golden
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
| | - Kara Larson
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
| | - Nina Williams
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
| | - Tregony Simoneau
- Division of Pulmonary Medicine, Boston Children’s Hospital, Boston, MA
| | - Rachel L. Rosen
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
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Duncan DR, Cohen A, Golden C, Lurie M, Mitchell PD, Liu E, Simoneau T, Rosen RL. Gastrointestinal factors associated with risk of bronchiectasis in children. Pediatr Pulmonol 2023; 58:899-907. [PMID: 36510759 PMCID: PMC9957932 DOI: 10.1002/ppul.26276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/08/2022] [Accepted: 12/10/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To evaluate gastrointestinal (GI) risk factors for bronchiectasis in children. We hypothesized that upper GI tract dysmotility would be associated with increased risk of bronchiectasis. STUDY DESIGN Subjects in this retrospective cohort study included those evaluated for persistent pulmonary symptoms in the Aerodigestive Center at Boston Children's Hospital who underwent chest computed tomography (CT) between 2002 and 2019. To determine gastrointestinal predictors of bronchiectasis, baseline characteristics, comorbidities, enteral tube status, medications received, gastroesophageal reflux burden, adequacy of swallow function, esophageal dysmotility, gastric dysmotility, and neutrophil count on bronchoalveolar lavage (BAL) were compared between patients with and without bronchiectasis. Proportions were compared with Fisher's exact test and binary logistic regression with stepwise selection was used for multivariate analysis. ROC analyses were utilized to compare BAL neutrophils and bronchiectasis. RESULTS Of 192 subjects, 24% were found to have evidence of bronchiectasis on chest CT at age 7.9 ± 0.5 years. Enteral tubes (OR 5.77, 95% CI 2.25-14.83, p < 0.001) and increased BAL neutrophil count (OR 5.79, 95% CI 1.87-17.94, p = 0.002) were associated with increased risk while neurologic comorbidities were associated with decreased risk (OR 0.24, 95% CI 0.09-0.66, p = 0.006). Gastroesophageal reflux was not found to be a significant risk factor. Neutrophil counts >10% had 72% sensitivity and 60% specificity for identifying bronchiectasis. CONCLUSIONS Enteral tubes were associated with significantly increased risk of bronchiectasis but gastroesophageal reflux was not. Providers should consider obtaining chest CT to evaluate for bronchiectasis in children found to have unexplained elevated BAL neutrophil count.
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Affiliation(s)
- Daniel R. Duncan
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
| | - Alexandra Cohen
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
| | - Clare Golden
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
| | - Margot Lurie
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
| | - Paul D. Mitchell
- Institutional Centers for Clinical and Translational Research, Boston Children’s Hospital, Boston, MA
| | - Enju Liu
- Institutional Centers for Clinical and Translational Research, Boston Children’s Hospital, Boston, MA
| | - Tregony Simoneau
- Division of Pulmonary Medicine, Boston Children’s Hospital, Boston, MA
| | - Rachel L. Rosen
- Aerodigestive Center, Division of Gastroenterology, Hepatology and Nutrition, Boston Children’s Hospital, Boston, Massachusetts
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Lawlor CM, Choi SS. Lipid‐Laden Macrophage Index as a Diagnostic Tool for Pediatric Aspiration: A Systematic Review. OTO Open 2023; 7:e33. [PMID: 36998564 PMCID: PMC10046735 DOI: 10.1002/oto2.33] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 12/17/2022] [Indexed: 03/30/2023] Open
Abstract
Objective Lipid-laden macrophage index (LLMI) has been proposed as a marker for aspiration on bronchoalveolar lavage. It has also been studied as a marker for gastroesophageal reflux and other pulmonary diseases. This review aims to determine the clinical correlation between LLMI and pediatric aspiration. Data Sources PubMed (MeSH search), Scopus, and Cochrane Central Register of Controlled Trials (CENTRAL) portals through December 17th, 2020. Review Methods Preferred Reporting Items for Systematic Review and Meta-Analysis criteria were followed, and a quality assessment of included studies was performed using the Methodological Index for Non-Randomized Studies. Search criteria included all occurrences in the title or abstract of the terms "pulmonary aspiration" and "alveolar macrophages." Results Five studies describing 720 patients met inclusion, 3 retrospective case-control studies, and 2 prospective observational studies. Four studies suggested a link between elevated LLMI and aspiration, and 1 found no association. Control groups varied and included healthy nonaspirators to nonaspirators with other pulmonary diseases. Diagnosis of aspiration was not standardized across the studies. Three papers proposed cutoff values for LLMI, all different. Conclusion The existing literature indicates that LLMI is not a sensitive or specific marker for aspiration. Further study is needed to define the utility of LLMI in pediatric aspiration.
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Affiliation(s)
- Claire M. Lawlor
- Department of OtolaryngologyChildren's National Health SystemWashingtonDistrict of ColumbiaUSA
| | - Sukgi S. Choi
- Department of Otolaryngology and Communication EnhancementBoston Children's HospitalBostonMassachusettsUSA
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Ezmigna D, Brown M, Daines C, Morgan W. Bronchoalveolar lavage profiles in uncontrolled wheezy children compared by asthma predictive index. Pediatr Pulmonol 2022; 57:293-299. [PMID: 34609079 DOI: 10.1002/ppul.25716] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/25/2021] [Accepted: 09/27/2021] [Indexed: 11/07/2022]
Abstract
OBJECTIVE The asthma predictive index (API) predicts later asthma in preschoolers with frequent wheeze. We hypothesized that airway cytology differs between API positive (API+)/negative (API-) children with uncontrolled/recurrent wheezing with dominance of eosinophils in API+ and neutrophils in API- groups respectively. The main objective of this study is to compare bronchoalveolar lavage (BAL) cell profiles in API+/API- children with recurrent wheezing unresponsive to inhaled corticosteroids (ICS). DESIGN Retrospective analysis of BAL in 43 children, 3-36 months (median: 14 months) receiving ICS (31 API+, 12 API-). BAL cell differential counts, bacterial/viral cultures, and lipid-laden macrophage percentages were analyzed. Cell counts presented as median (range). RESULTS Neutrophil percentages were increased in both groups (API- 16% [1%-76%]; API+ 42% [1%-95%]; p = NS). Cell percentages were similar for lymphocytes (API- 12% [1%-30%]; API+ 7% [1%-37%]), and macrophages (API- 67.5% [12%-97%]; API+ 41% [2%-94%]). Eosinophil percentages were low in both groups (API- 1% [1%-2%]; API+ 1% [1%-11%]). There was no difference in cellular distributions using absolute cell counts comparing API groups. Bacterial cultures were positive in 18 (60%) API+ and 5 (41%) API- patients (p = 0.10). CONCLUSION Cell profiles do not differ between API groups in children ≤36 months with recurrent wheezing unresponsive to ICS. Neutrophil percentages and total granulocyte count correlate with positive bacterial cultures independent of API status. Persistent bacterial bronchitis likely plays an important role in the persistence of symptoms unresponsive to ICS therapy regardless of API status with a trend to more positive cultures in API positive children.
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Affiliation(s)
- Dima Ezmigna
- Department of Pediatrics, University of Florida, Gainesville, Florida, USA
| | - Mark Brown
- Department of Pediatrics, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Cori Daines
- Department of Pediatrics, The University of Arizona, Tucson, Arizona, USA
| | - Wayne Morgan
- Department of Pediatrics, The University of Arizona, Tucson, Arizona, USA
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Koumbourlis AC, Belessis Y, Cataletto M, Cutrera R, DeBoer E, Kazachkov M, Laberge S, Popler J, Porcaro F, Kovesi T. Care recommendations for the respiratory complications of esophageal atresia-tracheoesophageal fistula. Pediatr Pulmonol 2020; 55:2713-2729. [PMID: 32716120 DOI: 10.1002/ppul.24982] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/18/2020] [Accepted: 07/22/2020] [Indexed: 12/11/2022]
Abstract
Tracheoesophageal fistula (TEF) with esophageal atresia (EA) is a common congenital anomaly that is associated with significant respiratory morbidity throughout life. The objective of this document is to provide a framework for the diagnosis and management of the respiratory complications that are associated with the condition. As there are no randomized controlled studies on the subject, a group of experts used a modification of the Rand Appropriateness Method to describe the various aspects of the condition in terms of their relative importance, and to rate the available diagnostic methods and therapeutic interventions on the basis of their appropriateness and necessity. Specific recommendations were formulated and reported as Level A, B, and C based on whether they were based on "strong", "moderate" or "weak" agreement. The tracheomalacia that exists in the site of the fistula was considered the main abnormality that predisposes to all other respiratory complications due to airway collapse and impaired clearance of secretions. Aspiration due to impaired airway protection reflexes is the main underlying contributing mechanism. Flexible bronchoscopy is the main diagnostic modality, aided by imaging modalities, especially CT scans of the chest. Noninvasive positive airway pressure support, surgical techniques such as tracheopexy and rarely tracheostomy are required for the management of severe tracheomalacia. Regular long-term follow-up by a multidisciplinary team was considered imperative. Specific templates outlining the elements of the clinical respiratory evaluation according to the patients' age were also developed.
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Affiliation(s)
- Anastassios C Koumbourlis
- Division of Pulmonary & Sleep Medicine, Children's National Hospital, George Washington University School of Medicine & Health Sciences, Washington, District of Columbia
| | - Yvonne Belessis
- Department of Respiratory Medicine, Sydney Children's Hospital Randwick, Randwick, New South Wales, Australia
| | - Mary Cataletto
- Division of Pediatric Pulmonary Medicine, New York University, Winthrop University Hospital, Mineola, New York
| | - Renato Cutrera
- Academic Department of Pediatrics (DPUO), Pediatric Pulmonology & Respiratory Intermediate Care Unit, Sleep and Long Term Ventilation Unit, Pediatric Hospital "Bambino Gesù" Research Institute, Rome, Italy
| | - Emily DeBoer
- Department of Pediatrics, Section of Pulmonary and Sleep Medicine, University of Colorado Denver, Children's Hospital Colorado Breathing Institute, Aurora, Colorado
| | - Mikhail Kazachkov
- Department of Pediatric Pulmonology, Gastroesophageal, Upper Airway and Respiratory Diseases Center, New York University School of Medicine, New York, New York
| | - Sophie Laberge
- Department of Pediatrics, Division of Respiratory Medicine, Sainte-Justine University Hospital Center, Université de Montréal, Montreal, Quebec, Canada
| | - Jonathan Popler
- Division of Pediatric Pulmonology, Children's Healthcare of Atlanta, Atlanta, Georgia
| | - Federica Porcaro
- Department of Pediatrics, Pediatric Pulmonology & Respiratory Intermediate Care Unit, Sleep and Long-Term Ventilation Unit, Bambino Gesù Children's Hospital, Rome, Italy
| | - Thomas Kovesi
- Pediatrics, Division of Respirology, Children's Hospital of Eastern Ontario, University of Ottawa, Ottawa, Canada
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Ocampo-Gonzalez FA, Park JW. Cytologic features of vaping-induced lung injury: A case report. Diagn Cytopathol 2019; 48:174-176. [PMID: 31714032 DOI: 10.1002/dc.24343] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/28/2019] [Accepted: 10/29/2019] [Indexed: 11/08/2022]
Abstract
Vaping-induced lung injury is a recently recognized phenomenon owing to the rising popularity of e-cigarette use. A cluster of cases of varying severity, including six deaths, was recently reported in the United States by the Centers for Disease Control. The objective of this report is to highlight the cytologic features suggestive of vaping-induced lung injury. A 20-year-old previously healthy man presented with a 7-day history of progressively worsening respiratory symptoms including dyspnea on exertion, cough, and fever, with no improvement after initiating a course of antibiotics. No relevant travel or occupational history was reported, but patient endorsed daily use of e-cigarette with a fluid containing both tetrahydrocannabinol and nicotine. Radiographic studies demonstrated scattered areas of interlobular septal thickening and diffuse ground-glass opacities in both lungs. Laboratory tests for HIV and influenza were negative. Bronchoscopy and bronchoalveolar lavage were performed, with cytologic study showing clusters of benign bronchial cells and an increase in lipid-laden macrophages by Oil Red O stain. Patient was placed on steroid and steadily improved for the next 2 days. He was discharged on a steroid taper and follow-up with respiratory clinic. Case reports and series have shown a variety of lung injury patterns in previously healthy patients who are frequent users of e-cigarettes and among them features suggestive of lipoid pneumonia with increased lipid-laden macrophages. The clinical utility of this finding is still unclear.
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Affiliation(s)
| | - Ji-Weon Park
- Department of Pathology, Rush University Medical Center, Chicago, Illinois
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Callahan S, Pal K, Gomez D, Stoler M, Mehrad B. Two Siblings With Interstitial Lung Disease. Chest 2019; 153:e75-e79. [PMID: 29626972 DOI: 10.1016/j.chest.2017.12.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 11/24/2017] [Accepted: 12/23/2017] [Indexed: 10/17/2022] Open
Abstract
A 52-year-old white woman and her 61-year-old white brother separately presented with gradually worsening dyspnea on exertion and cough, and evidence of interstitial lung disease on chest imaging.
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Affiliation(s)
- Sean Callahan
- Division of Pulmonary and Critical Care Medicine, University of Virginia, Charlottesville, VA
| | - Kavita Pal
- Division of Pulmonary and Critical Care Medicine, University of Virginia, Charlottesville, VA
| | - Diana Gomez
- Division of Pulmonary and Critical Care Medicine, University of Virginia, Charlottesville, VA
| | - Mark Stoler
- Department of Pathology, University of Virginia, Charlottesville, VA
| | - Borna Mehrad
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of Florida, Gainesville, FL.
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Yawn RJ, Fazili M, Provo-Bell G, Wootten CT. The utility of bronchoalveolar lavage findings in the diagnosis of eosinophilic esophagitis in children. Int J Pediatr Otorhinolaryngol 2015; 79:1834-7. [PMID: 26362482 DOI: 10.1016/j.ijporl.2015.08.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Revised: 08/08/2015] [Accepted: 08/10/2015] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Bronchoalveolar lavage (BAL)-nucleated cell counts and the lipid-laden alveolar macrophage index (LLMI) have been investigated in predicting chronic aspiration as well as reflux esophagitis with variable results. To date, BAL neutrophil percentages and the LLMI have not been described in patients with eosinophilic esophagitis (EoE). OBJECTIVES To evaluate BAL neutrophil percentages and LLMI levels in patients with EoE and compare these levels in patients with aerodigestive concerns without biopsy-proven EoE. METHODS Retrospective review of patients referred to an aerodigestive evaluation team for overlapping aerodigestive complaints (dysphagia, stridor, subglottic stenosis, feeding intolerance, and chronic aspiration). Patients underwent microlaryngoscopy, esophagogastroduodenoscopy with biopsy, and bronchoscopy and BAL were indicated by symptoms. BAL neutrophil percentages, LLMI levels, esophageal biopsy results, and esophageal dual-probe pH/impedance were recorded and compared. RESULTS Fifty-one patients were included in the study that underwent comprehensive workup for aerodigestive complaints. Patients were subdivided into two groups: (1) negative esophageal biopsy (for EoE) and (2) positive esophageal biopsy. There were no significant differences between the groups in percentage neutrophils (p=0.55, unpaired t-test) or LLMI levels (p=0.14, unpaired t-test). DISCUSSION BAL neutrophil percentages and the LLMI are unreliable in identifying patients with silent aspiration and gastroesophageal reflux. To date, there is no report of the utility of BAL neutrophil percentages and the LLMI in diagnosing patients with EoE. Our series indicates no correlation in neutrophil percentages or LLMI in patients with EoE versus patients without EoE that are referred to tertiary centers with aerodigestive concerns. CONCLUSION BAL neutrophil percentages and LLMI levels are not a reliable predictor of eosinophilic esophagitis in children with complex aerodigestive concerns. Esophageal biopsy remains the gold standard for diagnosis of EoE and the challenge remains to find other markers that raise suspicion for EoE for the non-gastroenterologist or that stage the extent of disease beyond the esophagus.
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Affiliation(s)
- Robert J Yawn
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University, Nashville, TN 37232 USA
| | - Mohammad Fazili
- Division of Pediatric Allergy, Immunology and Pulmonary Medicine, Vanderbilt Children's Hospital, Nashville, TN 37232 USA
| | - Gwen Provo-Bell
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University, Nashville, TN 37232 USA
| | - Christopher T Wootten
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University, Nashville, TN 37232 USA.
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Hawley KA, White DR. Type 1 Laryngeal Clefts: An Updated Review. CURRENT OTORHINOLARYNGOLOGY REPORTS 2015. [DOI: 10.1007/s40136-014-0068-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Chiang T, McConnell B, Ruiz AG, DeBoer EM, Prager JD. Surgical management of type I and II laryngeal cleft in the pediatric population. Int J Pediatr Otorhinolaryngol 2014; 78:2244-9. [PMID: 25465448 DOI: 10.1016/j.ijporl.2014.10.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Revised: 10/15/2014] [Accepted: 10/19/2014] [Indexed: 01/06/2023]
Abstract
INTRODUCTION Laryngeal clefts (LC) are congenital malformations of the upper aerodigestive tract that can cause dysphagia, aspiration, and subsequent pulmonary complications. This investigation assessed the outcomes of multidisciplinary evaluation and surgical management of type I and II LC (LC1-2) at a tertiary children's hospital. MATERIALS AND METHODS A retrospective chart review was used to identify patients who underwent repair of LC1-2 by a single surgeon. RESULTS Twenty-five patients who underwent surgical management for LC1-2 were identified. Twenty patients with LC-1 and 5 with LC-2 were included. Most common presentations were aspiration on modified barium swallow (MBS) (76%) and recurrent pulmonary infections (60%). Gastroesophageal reflux disease (GERD) was a concurrent co-morbidity in 68%. Of the 19 patients who presented with preoperative aspiration on MBS, 52.6% had evidence of improvement on their first MBS. This improved to 78.9% at the time of their most recent MBS (10 with resolution of aspiration, 5 with improved tolerance of consistencies). Two patients failed to improve from surgical repair and two had worsened aspiration on most recent MBS. CONCLUSION Endoscopic repair of laryngeal clefts is a well-tolerated procedure. Concurrent GERD and positive bronchoalveolar lavage (BAL) cultures are common and require management prior to definitive repair. Given the multidimensional nature of swallowing disorders and aspiration, a comprehensive team approach in the evaluation, management, and surveillance of these patients is a valuable complement to surgical repair since not all aspiration may resolve.
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Affiliation(s)
- Tendy Chiang
- Department of Otolaryngology, University of Colorado School of Medicine, Aurora, CO, USA; Department of Pediatric Otolaryngology, Children's Hospital Colorado, Colorado Springs, CO, USA
| | - Brook McConnell
- Department of Otolaryngology, University of Colorado School of Medicine, Aurora, CO, USA; Department of Pediatric Otolaryngology, Children's Hospital Colorado, Aurora, CO, USA
| | - Amanda G Ruiz
- Department of Otolaryngology, University of Colorado School of Medicine, Aurora, CO, USA; Department of Pediatric Otolaryngology, Children's Hospital Colorado, Aurora, CO, USA
| | - Emily M DeBoer
- Department of Pediatric Pulmonary Medicine, Children's Hospital Colorado, Aurora, CO, USA; Department of Pulmonology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Jeremy D Prager
- Department of Otolaryngology, University of Colorado School of Medicine, Aurora, CO, USA; Department of Pediatric Otolaryngology, Children's Hospital Colorado, Aurora, CO, USA.
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Kelly EA, Parakininkas DE, Werlin SL, Southern JF, Johnston N, Kerschner JE. Prevalence of pediatric aspiration-associated extraesophageal reflux disease. JAMA Otolaryngol Head Neck Surg 2014; 139:996-1001. [PMID: 23989194 DOI: 10.1001/jamaoto.2013.4448] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
IMPORTANCE The role of aspiration-associated extraesophageal reflux disease (AERD) in patients with chronic respiratory symptoms is not well defined. Identifying the frequency of AERD in these patients may provide guidance in their treatment. OBJECTIVE To determine the prevalence of AERD in patients with chronic respiratory symptoms and to assess the utility of pepsin as a new marker for AERD. DESIGN Case-control study performed from 2008 through 2012.Western blot analysis for pepsin and oil red O staining for lipid-laden macrophages (LLMs) was performed on bronchoalveolar lavage fluid specimens. SETTING Tertiary referral center. PARTICIPANTS Sixty-five patients (aged 4.5 months to 24 years) with chronic pulmonary disease, with or without tracheostomy, were compared with controls undergoing elective surgery who had no history of pulmonary disease. MAIN OUTCOMES AND MEASURES Presence of pepsin and LLMs and quantity of LLMs in specimens. RESULTS Seventy-six total patients participated: 34 patients who underwent bronchoscopy, 31 patients with tracheostomy, and 11 controls. Pepsin-positive bronchoalveolar lavage fluid specimens were identified in 25 patients who underwent bronchoscopy (74%) and 22 patients with tracheostomy (71%). All specimens from controls were negative for pepsin. Presence of LLMs was identified in specimens from 31 patients in the bronchoscopy group (91%), 16 patients in the tracheostomy group (52%), and 7 controls (64%), with a similar distribution of the quantity of LLMs in each lavage fluid specimen among the groups. CONCLUSIONS AND RELEVANCE Patients with chronic pulmonary disease have a high prevalence of AERD, which may have important treatment implications. The presence of pepsin was a better predictor of AERD in patients with respiratory symptoms compared with controls than presence of LLMs. Detection of pepsin in bronchoalveolar lavage fluid specimens can serve as a biomarker for AERD and is potentially superior to the current method of measuring LLMs. Whereas there is a significant association between AERD and the presence of chronic respiratory symptoms, this study does not verify causation. Additional study investigating the mechanism of pepsin on the respiratory epithelium may further our understanding of the pathophysiologic characteristics of this association and provide additional management options for these patients.
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