Modified barium swallow examination in dysphagic stroke patients

J B Khoo1, A S Buller, M C Wong

  • 1Department of Diagnostic Radiology, Singapore General Hospital, Singapore.

Abstract

Insights

Modified Barium Swallow (MBS) is crucial for assessing aspiration risk in stroke patients with dysphagia. This study found MBS identified significant swallowing issues, including aspiration, in many patients initially deemed at borderline risk, guiding safe feeding strategies.

Area of Science:

  • Neurology
  • Gastroenterology
  • Speech-Language Pathology

Background:

  • Aspiration is a common complication in stroke patients with dysphagia, leading to increased morbidity and mortality.
  • Clinical bedside assessment for aspiration risk is often unreliable, especially in cases of silent aspiration.
  • Dysphagia management requires accurate identification of swallowing impairments.

Purpose of the Study:

  • To evaluate the utility of Modified Barium Swallow (MBS) in identifying aspiration and other swallowing problems in dysphagic stroke patients.
  • To compare clinical assessment with MBS findings in determining aspiration risk.
  • To guide safe oral feeding strategies based on identified swallowing difficulties.

Main Methods:

  • Twenty-five dysphagic stroke patients with borderline clinical aspiration risk were assessed using Modified Barium Swallow (MBS).
  • MBS examinations evaluated aspiration of liquids and semisolids.
  • Clinical assessments were combined with MBS findings to identify all swallowing-related issues.

Main Results:

  • MBS detected definite aspiration of liquids in 24% and semisolids in 16% of patients.
  • An additional 48% of patients had liquid swallowing problems and 20% had semisolids swallowing problems not initially identified by clinical assessment.
  • Oral feeding of liquids was contraindicated in 72% and semisolids in 36% of patients.

Conclusions:

  • Modified Barium Swallow (MBS) effectively differentiates between aspirating and non-aspirating dysphagic stroke patients.
  • MBS identifies other swallowing issues beyond aspiration, crucial for patient safety.
  • MBS findings clearly define aspiration risk across different food consistencies, informing feeding recommendations.

Related Concept Videos

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
Upper GI Series: Barium Swallow01:24

Upper GI Series: Barium Swallow

The Barium Swallow Study, or a Barium Esophagogram, is a diagnostic imaging method used to visualize the upper gastrointestinal (GI) tract, including the esophagus, stomach, and small intestine. It employs barium sulfate, a radiopaque contrast material, to provide clear images of the upper digestive system, helping to identify abnormalities, diseases, or structural issues.
Purpose and Procedure
Patients undergoing this procedure ingest a liquid containing barium sulfate with a chalky...
Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for diagnosing...