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E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

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Effectiveness of Visual-Based Interventions on Understanding Cancer Information: A Systematic Review.

Linda Siachalinga¹, Hansoo Kim¹, Karin Brochstedt Dieperink^2,3,4

¹School of Medicine and Dentistry, Griffith University, Gold Coast, Australia.

Cancer Control : Journal of the Moffitt Cancer Center

|April 27, 2026

Summary

This summary is machine-generated.

Visual education significantly enhances cancer information understanding, especially for those with low health literacy. This approach empowers patients in managing their health effectively.

Keywords:

cancer comprehension health literacy intervention knowledge understanding visual

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Area of Science:

Health Communication
Medical Education
Oncology

Background:

Effective communication of cancer information is crucial for patient understanding and self-management.
Visual-based education interventions offer a promising avenue to improve comprehension of complex health data.
Limited health literacy can be a significant barrier to understanding cancer information.

Purpose of the Study:

To systematically review and assess the effectiveness of visual-based education interventions on cancer information understanding.
To evaluate the impact of visual aids on health literacy, knowledge, and comprehension in cancer patients.
To identify moderators, such as health literacy, influencing the effectiveness of these interventions.

Main Methods:

Systematic review of randomized and non-randomized studies from PubMed, Embase, and Scopus databases.
Inclusion of studies measuring the impact of visual-based education on cancer information understanding.
Quality assessment using the Mixed Methods Appraisal Tool (MMAT) and meta-analysis for RCTs.

Main Results:

Twenty-one studies indicated visual interventions improved knowledge and comprehension compared to text or audio.
Specific visual formats like videos, pictograms, 3D models, and timelines showed significant benefits.
Low health literacy was linked to poorer baseline knowledge, irrespective of visualization method.

Conclusions:

Visual-based education interventions show potential in enhancing cancer information knowledge and comprehension.
These interventions can help overcome barriers associated with limited health literacy.
Visual aids empower patients for improved self-management of their health in various cancer contexts.