Vascular compression of the airway: establishing a functional diagnostic algorithm

Derek J Rogers1, Mary Beth Cunnane, Christopher J Hartnick

  • 1Departments of Pediatric Otolaryngology, Massachusetts Eye and Ear Infirmary, Boston, MA 02114, USA.

Insights

Computed tomography with angiography (CTA) identified vascular anomalies in 50% of pediatric patients with airway symptoms. Half of these required surgery, highlighting the need for a diagnostic algorithm to balance imaging risks with clinical benefits.

Area of Science:

  • Pediatric radiology
  • Thoracic surgery
  • Vascular anomalies

Background:

  • Pediatric imaging, including computed tomography with angiography (CTA), carries radiation exposure risks.
  • Children often undergo CTA after bronchoscopy for airway symptoms, but the necessity of this imaging is not always clear.

Purpose of the Study:

  • To evaluate the utility of CTA in pediatric patients with airway symptoms following bronchoscopy.
  • To determine the rate of positive CTA findings leading to surgery.
  • To propose a diagnostic algorithm balancing imaging risks with clinical benefits.

Main Methods:

  • Retrospective review of 42 pediatric patients (2 months to 11 years) with tracheomalacia who underwent CTA.
  • Data collected included bronchoscopy findings, CTA results, and need for thoracic surgery.

Main Results:

  • 50% of patients had a vascular anomaly detected by CTA.
  • Innominate artery compression was the most common anomaly (81% of positive cases).
  • 29% of patients with vascular anomalies required thoracic surgery due to symptoms like cough, cyanosis, and stridor.

Conclusions:

  • CTA is valuable in diagnosing vascular anomalies in pediatric patients with airway symptoms.
  • A diagnostic algorithm can help optimize patient care by considering radiation and sedation risks.
  • Further research is needed to refine decision-making for imaging in this population.
Abstract

Related Concept Videos

Cardiopulmonary Resuscitation II: ACLS Airway Management01:22

Cardiopulmonary Resuscitation II: ACLS Airway Management

Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned under...
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway interventions are...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Assessment of Airway, Skin Color, and Use of Accessory Muscles01:30

Assessment of Airway, Skin Color, and Use of Accessory Muscles

A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
Introduction
The initial evaluation of a patient's respiratory system...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...