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Pediatr Pulmonol 2021 May 26. Epub 2021 May 26.

Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.

For mastering bronchoscope handling, positioning, and directing of the bronchoscope in response to the intraluminal view provided by the bronchoscope camera, sufficient training is necessary, especially in infants and toddlers who have smaller airways, faster respiratory rates, and higher airway collapsibility. With the use of three-dimensional printing, we aimed to develop a set of anatomically accurate and low-cost airway models for teaching and training of bronchoscopy technique and foreign body removal: a translucent airway box model, a static airway model, and a dynamic airway model consisting of a flexible tree model connected to a pump that allows simulation of airway collapsibility during breathing. Computed tomography (CT) patient data of three different ages (1, 5, and 18 years of age) was imported into Materialise Mimics, segmented, and printed using VisoClear and soft Tango+ material. Read More

Medicine (Baltimore) 2021 Apr;100(14):e25455

Department of Anesthesiology.

Rationale: An impacted foreign body (FB) in the larynx of an adult is a rare but potentially life-threatening occurrence. Patients with Down's syndrome (DS) are vulnerable to airway FB. However, the anesthesia for FB removal can be challenging. Read More

Curr Probl Diagn Radiol 2021 Mar 8. Epub 2021 Mar 8.

Singleton Department of Pediatric Radiology, Texas Children's Hospital, Houston TX.; Department of Radiology, Baylor College of Medicine, Houston TX.. Electronic address:

Foreign body ingestion is a common problem in children. Radiography is the mainstay of imaging, but many radiolucent items go undetected without further imaging by fluoroscopic esophagram. While studies in adults support the use of computed tomography (CT) for esophageal foreign body ingestion, CT has historically not been used in children given the typically higher radiation doses on CT compared with fluoroscopy. Read More

BMC Med Imaging 2021 02 23;21(1):35. Epub 2021 Feb 23.

Department of Radiology, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, 401120, People's Republic of China.

Background: Long-term exposure to coal dust causes respiratory disease. In chest computer tomography (CT), pulmonary nodules, pulmonary interstitial fibrosis and emphysema manifest themselves. However, tracheal foreign bodies caused by coal dust are rarely reported. Read More

Ear Nose Throat J 2021 Feb 22:145561321996836. Epub 2021 Feb 22.

Department of Otolaryngology - Head and Neck Surgery, 12328Vanderbilt University Medical Center, Nashville, TN, USA.

The SARS-CoV-2 pandemic response utilizes nasopharyngeal swabbing as a prolific testing method for presence of viral RNA. The depth of the swab to the nasopharynx coupled with breakpoints along the shaft leads to a risk for foreign body retention. Here, we present a case of a nasopharyngeal swab that became a retained foreign body during routine swabbing to test for the SARS-CoV-2 virus. Read More

J Emerg Med 2021 May 12;60(5):e109-e113. Epub 2021 Feb 12.

Department of Emergency Medicine, Cleveland Clinic Akron General, Akron, Ohio; Northeast Ohio Medical University, Rootstown, Ohio.

Background: There are more than 100,000 cases of esophageal foreign body in the United States each year. Most cases resolve spontaneously; however, complete esophageal obstruction is a medical emergency. Patients with developmental disabilities are at high risk, because a large percentage of this population is effected by dysphagia, pica, tooth loss, or impulsive swallowing. Read More

Eur J Radiol Open 2021 20;8:100324. Epub 2021 Jan 20.

Institute for Diagnostic and Interventional Radiology, University Hospital Cologne, Cologne, Germany.

Recent advances in dual-energy imaging techniques, dual-energy subtraction radiography (DESR) and dual-energy CT (DECT), offer new and useful additional information to conventional imaging, thus improving assessment of cardiothoracic abnormalities. DESR facilitates detection and characterization of pulmonary nodules. Other advantages of DESR include better depiction of pleural, lung parenchymal, airway and chest wall abnormalities, detection of foreign bodies and indwelling devices, improved visualization of cardiac and coronary artery calcifications helping in risk stratification of coronary artery disease, and diagnosing conditions like constrictive pericarditis and valvular stenosis. Read More

ACS Photonics 2020 Jan 3;7(1):128-134. Epub 2019 Dec 3.

Department of Biomedical Engineering, Beckman Laser Institute, University of California, Irvine, 1002 Health Sciences Road East, Irvine, CA 92612, USA.

Ciliary motion in the upper airway is the primary mechanism by which the body transports foreign particulates out of the respiratory system in order to maintain proper respiratory function. The ciliary beating frequency (CBF) is often disrupted with the onset of disease as well as other conditions, such as changes in temperature or in response to drug administration. Current imaging of ciliary motion relies on microscopy and high-speed cameras, which cannot be easily adapted to in-vivo imaging. Read More

Medicina (Kaunas) 2021 Jan 8;57(1). Epub 2021 Jan 8.

Division of Pulmonary and Critical Care Medicine, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea.

Foreign body (FB) aspiration occurs less frequently in adults than in children. Among the complications related to FB aspiration, pneumothorax is rarely reported in adults. Although the majority of FB aspiration cases can be diagnosed easily and accurately by using radiographs and bronchoscopy, some patients are misdiagnosed with endobronchial tumors. Read More

Chest 2021 01;159(1):e53-e56

Vanderbilt University Medical Center Pulmonary/Critical Care Division, Vanderbilt-Ingram Cancer Center, Nashville, TN; Vanderbilt University Medical Center Department of Medicine, Vanderbilt-Ingram Cancer Center, Nashville, TN; Vanderbilt University Medical Center Department of Radiology and Radiological Sciences, Vanderbilt-Ingram Cancer Center, Nashville, TN; Cancer Early Detection and Prevention Initiative, Vanderbilt-Ingram Cancer Center, Nashville, TN. Electronic address:

Case Presentation: A 56-year-old man presented to the lung nodule clinic with abnormal chest imaging prompted by a chronic cough and hemoptysis. Approximately 2.5 years earlier, while kneeling beside his car fixing a flat tire, he fell backwards while holding the tire cap in his mouth, causing him to inhale sharply and aspirate the cap. Read More

Eur Arch Otorhinolaryngol 2021 May 3;278(5):1477-1481. Epub 2021 Jan 3.

Lokmanya Tilak Muncipal Medical College and General Hospital, Dr. Babasaheb Ambedkar Road, Sion West, Sion, Mumbai, India.

Introduction: A long-standing retained foreign body in the bronchus is unusual. In majority of cases, an adequate history is not obtained, the clinical picture is usually clouded by superadded pathological changes.

Case Series: We report three cases of long-standing foreign body in the airway who presented with recurrent lower respiratory tract infection. Read More

Int J Pediatr Otorhinolaryngol 2020 Dec 13;139:110442. Epub 2020 Oct 13.

New York University School of Medicine, Department of Otolaryngology Head and Neck Surgery, Division of Pediatric Otolaryngology, New York, NY, USA. Electronic address:

Importance: Foreign body (FB) aspiration into the airway is a significant cause of pediatric morbidity and mortality, yet the clinical presentation is diverse and dynamic. There are conflicting recommendations which pre-procedural findings support performing a bronchoscopy, the gold standard for diagnosis and removal of FBs, however a procedure that entails general anesthesia and possible risks.

Objective: Decision whether to proceed to a bronchoscopy may be challenging. Read More

Radiol Case Rep 2020 Nov 22;15(11):2391-2395. Epub 2020 Sep 22.

Department of Otolaryngology, Head and Neck Surgery, University of Alabama at Birmingham Medical Center.

Diagnosis of an airway foreign body in the setting of an unwitnessed aspiration event remains a challenge for physicians in the emergency setting. We describe a case of a 2-year-old male who presented to the emergency department with atypical symptoms resulting from ingestion and aspiration of a large, flat sticker. The airway foreign body remained in place for over 24 hours despite obtaining appropriate airway imaging, and the object was later removed without complication via rigid bronchoscopy in the operating room. Read More

AJR Am J Roentgenol 2020 11 22;215(5):1238-1246. Epub 2020 Sep 22.

Department of Radiology, Division of Pediatric Radiology, Emory University School of Medicine, Children's Healthcare of Atlanta, 1405 Clifton Rd NE, Atlanta, GA 30322.

The purpose of this study was to evaluate findings at serial MRI after endoscopic removal of a button battery from the esophagus in a series of pediatric patients. Serial MRI examinations after removal of a button battery from the esophagus were reviewed retrospectively for the presence of mediastinal edema; imaging characteristics of the aorta and arteries; imaging characteristics of the trachea; and imaging characteristics of the esophageal wall at the level of injury. A total of 48 MRI examinations were performed on 19 patients, 89% (17/19) in the first 48 hours after battery removal. Read More

Am J Emerg Med 2021 03 28;41:266.e1-266.e2. Epub 2020 Aug 28.

Division of Critical Care Medicine, Mayo Clinic Florida, United States of America.

Foreign body aspiration (FBA) is a rare, but potentially fatal condition frequently seen in the emergency department. Bronchoscopy plays a major role in its diagnosis and treatment. In patients with laryngectomy, the strategies for airway maintenance and foreign body retrieval are limited. Read More

BMJ Case Rep 2020 Aug 27;13(8). Epub 2020 Aug 27.

Department of ENT, University Hospitals of Leicester NHS Trust, Leicester, UK.

We report the case of a bronchial foreign body, following a tracheostomy site swab for SARS-CoV-2, aiming to raise awareness and vigilance. A qualified nurse was performing a routine SARS-CoV-2 swab on a 51-year-old woman, fitted with a tracheostomy in the recent past following a craniotomy. This was part of the discharging protocol to a nursing home. Read More

World Neurosurg 2020 12 10;144:244-249. Epub 2020 Aug 10.

Department of Neurosurgery, Saint Louis University, St. Louis, Missouri, USA.

Background: Cervical arthroplasty has established itself as a safe and efficacious alternative to fusion in management of symptomatic cervical degenerative disease. Recent literature has indicated a trend toward decreased risk of reoperation with cervical arthroplasty, and reoperation in this subset commonly occurs secondary to recurrent pain and device-related complications. The instance of cervical arthroplasty migration, particularly in the setting of trauma, is particularly rare. Read More

J Cardiothorac Vasc Anesth 2021 Jun 16;35(6):1821-1823. Epub 2020 Jul 16.

Division of Otorhinolaryngology, George Washington University, Washington, DC.

Monaldi Arch Chest Dis 2020 Jul 31;90(3). Epub 2020 Jul 31.

Department of Pulmonary, Critical Care and Sleep Medicine, All India Institute of Medical Sciences, New Delhi.

Dear Editor, Aspiration of a foreign body into the tracheobronchial tree can occur at any age, though it occurs more commonly in children. In small children, the foreign body commonly gets lodged in the central airways (trachea and mainstem bronchi); hence, the presentation is usually sudden onset of cough and dyspnea or even lifethreatening respiratory failure in an otherwise healthy child. A witnessed aspiration or a history of aspiration can usually be elicited. Read More

BMC Surg 2020 Jul 23;20(1):165. Epub 2020 Jul 23.

Department of Otolaryngology Head and Neck Surgery, Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, Shaanxi, China.

Background: Flexible fiberoptic bronchoscopy is a rapid, cost effective and safe procedure.

Aim: To analyze demographic information and endoscopic findings in adult patients with airway foreign body aspiration and its removal.

Methods: Fifty-seven adults (40 males, 17 females; average age 40 years old) with airway foreign body aspiration were analyzed. Read More

Am J Otolaryngol 2020 Sep - Oct;41(5):102573. Epub 2020 Jun 6.

Cohen Children's Medical Center, Division of Pediatric Otolaryngology, New Hyde Park, NY, USA; Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Department of Otolaryngology-Head and Neck Surgery, Hempstead, NY, USA. Electronic address:

Objectives: There is limited data regarding the demographics and clinical features of SARS-CoV-2 infection in children. This information is especially important as pneumonia is the single leading cause of death in children worldwide. This Systematic Review aims to elucidate a better understanding of the global impact of COVID-19 on the pediatric population. Read More

Can J Anaesth 2020 09 2;67(9):1260-1261. Epub 2020 Jun 2.

Programa de Medicina, Universidad de Manizales, Manizales, Colombia.

J Dent Anesth Pain Med 2020 Apr 27;20(2):83-87. Epub 2020 Apr 27.

Hamad Medical Corporation, Clinical Radiology and Medical Imaging Department, Doha, Qatar.

Foreign body (FB) ingestion is commonly seen in the ear nose and throat (ENT) field, with different presentations and sequelae. FBs can arrest in the upper aerodigestive tract or continue further down into either the airway tract to the bronchus or the digestive tract to the intestines. The pathway of an FB depends on the size and shape of the FB and how sharp its edges are. Read More

BMC Med Imaging 2020 05 1;20(1):44. Epub 2020 May 1.

School of Medicine, Tzu Chi University, Hualien, Taiwan.

Background: Foreign body aspiration is less common in healthy adults, which makes diagnosis difficult. Early detection of smaller/sharp foreign bodies in the distal airway is more difficult because patients might have no symptoms and imaging studies could appear normal. Here we describe the course of a small, sharp foreign body (chicken bone) lodged in the distal airway of a healthy middle-aged woman. Read More

Pediatr Int 2020 Oct;62(10):1184-1188

Department of Pulmonology, Children's Hospital of Soochow University, Suzhou, China.

Background: Tracheobronchial foreign body (TFB) aspiration is a significant cause of respiratory problems in children. The timely diagnosis of TFB is important to decrease the mortality rate and the incidence of complications. Advances in radiology have led multi-slice spiral computed tomography (MSCT) to become the best technique for diagnosing TFB. Read More

J Thorac Cardiovasc Surg 2020 Mar 15. Epub 2020 Mar 15.

Department of Cardiovascular Surgery, Boston Children's Hospital, Boston, Mass.

Objectives: We sought to demonstrate in an animal model that helical stents made from a nickel titanium alloy called nitinol (NiTi) and designed for malacic airways could be delivered and removed without significant trauma while minimally impeding mucus clearance during the period of implantation.

Methods: Stents were delivered and removed from the tracheas of healthy 20 kg swine (n = 5) using tools designed to minimize trauma. In 4-week experiments, the stents were implanted on day 0, removed after 3 weeks, and swine were put to death after 4 weeks. Read More

Emerg Radiol 2020 Aug 9;27(4):399-404. Epub 2020 Mar 9.

Department of Pediatric Radiology, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden.

Purpose: Suspected airway foreign body aspiration (FBA) is a common event in paediatric emergency units, especially in children under 3 years of age. It can be a life-threatening event if not diagnosed promptly and accurately. The purpose of this study is to compare the diagnostic performance of an ultralow-dose CT (DLP of around 1 mGycm) with that of conventional radiographic methods (fluoroscopy and chest radiography of the airways) in the diagnosis of FBA children's airways. Read More

Lung India 2020 Mar-Apr;37(2):140-144

Department of Anesthesiology and Reanimation, Mohammed VI University Hospital Center, Oujda, Morocco.

Background: The accidental aspiration of foreign bodies (FBs) is a rare occurrence in adults. However, inhalation of scarf pin is a phenomenon more and more common in the context of Muslim nations. The aim of our study was to describe the characteristics of this particular FB and illustrate the circumstances and consequences of inhalation. Read More

Ann Emerg Med 2020 02;75(2):146-170

Department of Emergency Medicine, Intermountain Medical Center, Murray, UT; Division of Emergency Medicine, University of Utah, Salt Lake City, UT.