Using ultrasound to detect food blockages in the esophagus

Point of Care Ultrasound for the Detection of Esophageal Food Bolus

Observational WellSpan Health · NCT06507670

This study tests if using ultrasound can help doctors find food blockages in the esophagus of adults who come to the emergency department.

Quick facts

Study typeObservational
Enrollment30 (estimated)
Ages18 Years and up
SexAll
SponsorWellSpan Health Academic / other
Locations1 site (York, Pennsylvania)
Trial IDNCT06507670 on ClinicalTrials.gov

What this trial studies

This observational study will assess adult patients at WellSpan York Hospital Emergency Department who show signs of esophageal food or foreign body impaction. Trained emergency physicians will perform point of care ultrasound (POCUS) to visualize the presence of food bolus or foreign body and measure esophageal dilation. A control group of asymptomatic individuals will also be enrolled to establish baseline esophageal measurements. Patients will receive standard medical treatment, and their outcomes will be monitored over one month.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and older presenting with symptoms of esophageal food bolus or foreign body.

Not a fit: Patients with prior esophageal surgery, head/neck cancer, or those who are clinically unstable may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve the diagnosis and management of esophageal obstructions, leading to better patient outcomes.

How similar studies have performed: While the use of point of care ultrasound in emergency settings is gaining traction, this specific application for esophageal food bolus detection is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Eligibility (CASES)

* Inclusion criteria:

  1. Age ≥18 years
  2. Signs and symptoms of esophageal food bolus or foreign body
* Exclusion criteria:

  1. Prior esophageal surgery
  2. History of head/neck cancer
  3. Incarcerated individuals
  4. Individuals unable to provide consent
  5. Clinical instability or airway compromise

Eligibility (CONTROLS)

* Inclusion criteria:

  1. Age ≥18 years
  2. NO signs or symptoms of esophageal food bolus or foreign body
  3. Age/Sex match to previously enrolled case subject
* Exclusion criteria:

  1. Prior esophageal surgery/dilation/pathology
  2. History of head/neck cancer
  3. Incarcerated individuals
  4. Individuals unable to provide consent
  5. Clinical instability or airway compromise
  6. Presentation involving any of the following symptoms:
* Nausea/vomiting
* Diarrhea
* Abdominal pain
* Chest pain
* Shortness of breath
* Dysphagia/odynophagia
* Cough

Where this trial is running

York, Pennsylvania

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Esophageal Foreign BodyEsophageal Obstruction
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.