ATLAS Tutorial: Search Example #1 (Hypertension)

Summary

This video tutorial explores the search functionality within the Atlas platform, focusing on how to utilize the standardized vocabularies to identify relevant concepts and codes for analysis. It demonstrates searching for 'hypertension', filtering results by vocabulary, class, and domain, and navigating concept hierarchies to understand relationships between terms. The tutorial highlights the platform's ability to filter and sort concepts based on record counts, making it easier to select appropriate terms for Odyssey analyses.

Takeaways

• 🔍 The script introduces the search capability within the Atlas platform, which is used to explore standardized vocabularies and identify concepts and codes for analysis.
• 📚 The search tool can be accessed by clicking on the 'search' option on the left-hand side of the platform, leading to a screen for concept-based searches.
• 🔑 Users can search for concepts using keywords, identifiers, or concept sets, with the example given of searching for 'hypertension' to find related concepts.
• 📊 The search results are displayed in a tabular format, providing information such as concept ID, code, name, class, record counts, and domain within a vocabulary.
• 🌐 The search results can be filtered using facets on the right-hand side, allowing users to narrow down the concepts by vocabulary, class, domain, standard concept status, validity, and record counts.
• 📈 The table is sorted by record counts by default, showing the most prevalent concepts in the data source, with an example of 'essential hypertension' having millions of records.
• 🔎 Clicking on a concept, such as 'essential hypertension', brings up a detailed view with information about the concept's domain, vocabulary, and identifiers.
• 👉 The 'related concepts' tab allows users to explore relationships between concepts, with filtering options to find broader or more specific terms.
• 📝 The 'hierarchy' tab provides a visual representation of parent and child concepts, helping users understand the relationships and hierarchy within the vocabulary.
• 🔗 The script demonstrates how to navigate from a non-standard code to a standard concept using the 'related concepts' feature, emphasizing the importance of using standard codes for community-wide analysis.
• 📚 The platform's search experience is concluded with a summary of how to explore concepts like 'hypertension' in the vocabulary, and an invitation to learn more about Atlas and the Odyssey community.

Q & A

What is the primary function of the search capability within the Atlas platform?

The primary function of the search capability within the Atlas platform is to explore the OHM standardized vocabularies and identify sets of concepts and codes for use in analysis.

How can users initiate a search for a specific concept in the Atlas platform?

Users can initiate a search by clicking on the 'search' option on the left-hand side of the platform and then typing in the concept of interest in the search bar.

What type of information is displayed in the tabular view after a search is performed?

The tabular view displays information associated with the concept ID, concept code, concept name, class, record count, descendant record count, domain, and vocabulary.

How many different concepts were found when searching for 'hypertension' in the script?

When searching for 'hypertension', 1278 different concepts were found across various vocabularies and domains.

What are the facets on the left-hand side of the screen used for?

The facets on the left-hand side of the screen are used to filter and narrow down the search results by vocabulary, class, domain, standard concept status, validity, record presence, and descendant counts.

What does the term 'standard condition concept' refer to in the context of the script?

In the context of the script, 'standard condition concept' refers to a concept that is considered standard and valid for use in Odyssey analyses.

How can users explore a particular concept further within the Atlas platform?

Users can explore a particular concept further by clicking on it, which brings them to a detailed view describing the concept, its domain, vocabulary, and other relevant identifiers.

What is the purpose of the 'related concepts' tab in the Atlas platform?

The 'related concepts' tab allows users to navigate the OMA standardized vocabularies to explore relationships between the concept of interest and other related concepts.

How does the 'hierarchy' tab help users in exploring concepts?

The 'hierarchy' tab provides a representation that shows the parent and child concepts, allowing users to understand the broader and more specific terms related to the concept of interest.

What can users do if they know a specific code they are interested in searching for?

If users know a specific code, they can type it into the search bar, and the platform will explore all vocabularies to determine if there are any codes containing that string.

How does the script demonstrate the process of navigating from a non-standard code to a standard concept?

The script demonstrates this by showing how a non-standard ICD-9 code for malignant essential hypertension can be related to a standard SNOMED concept, allowing users to navigate back to the parent concept of essential hypertension.