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Top 9 NLP Use Cases in Healthcare & Pharma

nlp use cases in healthcare

Smart assistants like Amazon’s Alexa and Apple’s Siri recognize patterns in speech using Natural Language Processing, comprehend meaning and provide a meaningful response. Search engines surface relevant results based on the similar search behaviors. For instance, when you start typing, Google not only predicts what searches may apply to your query, but looks at the whole picture rather than the exact search words. All thanks to NLP as it associates the ambiguous query to a relative entity and provides useful results.

These are not the only use cases where Natural Language Processing emerges as a game changer; there are other applications as well. For example, NLP in healthcare is evolving because of its potential to analyze and interpret voluminous amounts of patient datasets. Using advanced machine learning algorithms in Healthcare and Pharma, NLP accurately gives voice to the unstructured data of the healthcare universe.

NLP Use Cases in Healthcare and Pharma

Let’s discuss the top use cases of Natural Language Processing in Healthcare and Pharma.

De-identification

De-identification is a general term for any process of removing the association between a set of identifying data and the data subject. It consists of algorithms and processes that can be applied to documents, records, and data to remove any information, which can lead to the identification of the person the document is concerned with. It protects the privacy of the individuals when addressed by people who should not know the person’s identity.

Below are the notable use cases of NLP in medical data de-identification.

  • Identification of personal and clinical information such as date, doctor, hospital, ID number, medical record, patient name, age, profession, organization, state, city, country, street, username, zip code, phone number in clinical documents.

nlp use cases in healthcare

  • De-identification of protected health information in English, Spanish, French, Italian, Portuguese, Romanian, and German texts.

nlp use cases in healthcare

  • De-identification of PHI information from structured datasets using out of the box Spark NLP functionality that enforces GDPR and HIPAA compliance, while maintaining linkage of clinical data across files.

nlp use cases in healthcare

nlp use cases in healthcare

nlp use cases in healthcare

nlp use cases in healthcare

nlp projects in healthcare

  • De-identification of PDF documents using GDPR guidelines by anonymizing PHI information.

nlp projects in healthcare

nlp projects in healthcare

Adverse Drug Reaction Detection

Natural Language Processing can automatically detect Adverse Drug Reactions (ADR) or events (ADE) from multichannel unstructured data, notes, transcripts and literature. It is capable of doing the following:

  • Detecting adverse reactions of drugs in reviews, tweets, and medical text using Spark NLP Healthcare NER, Sequence Classification, Assertion Status, and Relation Extraction models.

nlp projects in healthcare

  • Automatically identifying Drug, Dosage, Duration, Form, Frequency, Route, and Strength details in clinical documents.

nlp projects in healthcare

  • Automatically identifying relations between drugs, dosage, duration, frequency and strength using our pre-trained clinical Relation Extraction (RE) model.

nlp projects in healthcare

nlp projects in healthcare

  • Extracting drugs, chemicals and abbreviations using Healthcare NER model.

nlp projects in healthcare

  • Detecting relations between drugs and adverse reactions caused by them.

nlp projects in healthcare

nlp projects in healthcare

  • Extracting conditions and benefits from drug reviews.

nlp projects in healthcare

  • Automatically identifying drug chemicals in clinical documents.

nlp projects in healthcare

  • Detecting ADE-related texts.

nlp projects in healthcare

Clinical Data Analysis

NLP analyzes clinical data, accelerates and scales the creation of accurate disease registries, patient cohorts, quality metrics, population health analytics, and social determinants of health.

The notable use cases of NLP in analyzing clinical data are given below.

  • Mapping section headers of the clinical visit data to their normalized versions.

nlp projects in healthcare

nlp projects in healthcare

  • Resolving clinical abbreviations and acronyms.

nlp projects in healthcare

nlp projects in healthcare

  • Spell checking in clinical documents.

nlp projects in healthcare

  • Automatically detecting sentences in noisy healthcare documents using pre-trained Sentence Splitter DL model.

nlp projects in healthcare

nlp use cases in healthcare

  • Normalizing medication-related phrases such as dosage, form and strength, as well as abbreviations in text and named entities extracted by NER models.

nlp use cases in healthcare

  • Detecting anatomical references (Anatomical System, Cell, Cellular Component, Anatomical Structure, Immaterial Anatomical Entity, Multi-tissue Structure, Organ, Organism Subdivision, Organism Substance, Pathological Formation) in clinical documents.

nlp use cases in healthcare

  • Extracting chunk key phrases in medical texts.

nlp use cases in healthcare

  • Extract clinical abbreviations and acronyms from medical texts.

nlp use cases in healthcare

Clinical Trial Management

Clinical Trials are research studies that aim to evaluate how new medical approaches work on humans. They are important to examine the safety and efficacy of new treatments. Conducting clinical trials is expensive and time-consuming as it consists of various phases. Though a portion of the clinical trial report contains well structured information searchable using keywords, most of the information is still buried in an unstructured format. Natural Language Processing automates the clinical trial process by providing the following benefits.

  • Extracting concepts related to drug development including Trial Groups, End Points and Hazard Ratio.

nlp use cases in healthcare

  • Classifying Randomized Clinical Trial (RCT).

nlp use cases in healthcare

  • Detecting Covid-related clinical terminology using Healthcare NER model.

nlp use cases in healthcare

  • Extracting Entities in Clinical Trial Abstracts.

nlp use cases in healthcare

Patient Care and Monitoring

Unstructured data contains plenty of information that can play a significant role in improving patient monitoring and clinical decision making. Natural Language Processing sorts through unstructured data and helps healthcare providers improve patient care, disease diagnosis, and research efforts.

Below are the use cases of NLP in improving a patient’s mental health.

  • Identifying depression for patient posts

nlp use cases in healthcare

  • Identifying intimate partner violence from patient posts

nlp use cases in healthcare

  • Identifying stress from patient posts

nlp use cases in healthcare

  • Identifying the source of stress from patient posts

nlp use cases in healthcare

Precision Medicine

The unstructured medical text data is a rich source of information that offers insights regarding the patient’s journey. The treatment process of a patient depends on factors such as genetic predisposition, clinical history, and the correlation between existing symptoms and conditions. All of this information can be found in text data and NLP provides a means of accurate computational phenotyping from the data, driving precision medicine.

Precision medicine is a medical model that proposes personalized medical decisions, treatments, practices or products likely to help the patient based on his/her medical record.

NLP in Precision medicine improves time efficiency and provides more free time to medical practitioners to focus on other work. NLP systems help the practitioners evaluate decisions in various clinical domains, thus reducing errors in medical decisions and saving time.

Clinical Decision Support

Below are the process steps Natural Language Processing follows to provide clinical decision support:

  • Extract – Extracting real-time information from unstructured text
  • Build – Building a predictive model using the extracted information
  • Apply – Getting timely and accurate support in clinical & operational decisions

The notable use cases of NLP in providing clinical decision support are given below.

  • Prediction of hospital bed demand by real time analysis of clinical notes – The key factors that influence a patient’s flow (How likely they are to be admitted? For how long? For what?) are shown below:

nlp use cases in healthcare

NLP enables real-time decision-making and strategic planning, by predicting:

  • Bed time
  • Safe staffing levels
  • Hospital gridlock
  • Automatic notification of patient aggression risk for psychiatric admitted patients​ – Aggression is one of the most common concerns in psychiatric units. NLP improves scalability and productivity of aggression assessment in psychiatric and non-psychiatric point of cares.
  • Extraction of clinical knowledge from pathology, radiology, and genomics reports – Recent advances in deep learning have raised the bar on achievable accuracy for tasks like Named Entity Recognition, Assertion Status detection, Entity Resolution, and others, using novel healthcare-specific models.

Biomedical Research

NLP techniques automate the extraction of statistical and biomedical information from textual data such as scientific literature and clinical/medical data. They also provide benefits in terms of performance, efficiency, productivity, and innovation.

Below are the notable use cases of NLP in biomedical research.

  • Detecting possible interactions between drugs using out-of-the-box Relation Extraction Spark NLP model.

nlp use cases in healthcare

nlp use cases in healthcare

  • Classifying medical texts in accordance with PICO Components.

nlp use cases in healthcare

  • Detecting possible relationships between chemicals and proteins using a predefined Relation Extraction model.

nlp use cases in healthcare

nlp use cases in healthcare

  • Detecting interactions between chemical compounds/drugs and genes/proteins.

nlp use cases in healthcare

nlp use cases in healthcare

  • Identifying pathogen concepts from clinical text.

nlp use cases in healthcare

  • Extracting general medical terms in text like body parts, cells, genes, symptoms, etc.

nlp projects in healthcare

Entity Resolution

Natural Language Processing can be used to map the detected entities to standard codes such as ICD-10 that is split into two systems:

  • CD-10-CM (Clinical Modification), for diagnostic coding
  • ICD-10-PCS (Procedure Coding System), for inpatient hospital procedure coding.

Below are the notable use cases of NLP in resolving entities to terminology codes.

  • Mapping clinical terminology to SNOMED (Systematized Nomenclature of Medicine) taxonomy. The figure below shows how healthcare information about procedures and measurements can be mapped to SNOMED codes using Entity Resolvers.

nlp projects in healthcare

nlp projects in healthcare

  • Mapping clinical terminology to ICD-10-CM taxonomy. The figure below shows how to map clinical findings to ICD-10-CM codes using Entity Resolvers.

nlp projects in healthcare

nlp projects in healthcare

  • Mapping drug terminology to RxNorm taxonomy

nlp projects in healthcare

nlp projects in healthcare

  • Mapping healthcare codes between taxonomies

nlp projects in healthcare

  • Mapping laboratory terminology to LOINC taxonomy

nlp projects in healthcare

nlp projects in healthcare

  • Resolving Clinical Health Information using the HPO taxonomy

nlp projects in healthcare

nlp projects in healthcare

  • Resolving Clinical Health Information using the MeSH taxonomy

nlp projects in healthcare

nlp projects in healthcare

  • Resolving Clinical Findings using the UMLS CUI taxonomy

nlp projects in healthcare

nlp projects in healthcare

  • Resolving Clinical Health Information using the NDC taxonomy

nlp projects in healthcare

nlp projects in healthcare

  • Resolving Drug Class using RxNorm taxonomy

nlp projects in healthcare

  • Resolving Drug and Substance using the UMLS CUI taxonomy

nlp projects in healthcare

nlp projects in healthcare

nlp projects in healthcare

  • Resolving Clinical Procedures using CPT taxonomy

nlp projects in healthcare

nlp projects in healthcare

Medical Question Answering

Natural Language Processing can combine information extracted from medical research, clinical trials, ontologies, and other sources into a knowledge graph – and answer natural language questions about the content.

Here is an NLP use case in medical question answering.

  • Automatic generating of answers to questions with context in clinical documents.

nlp use cases in healthcare

nlp use cases in healthcare

Conclusion

Healthcare providers, biotechnology firms, and pharmaceutical enterprises use Natural Language Processing to streamline operations and boost outcomes. In the future, we can expect medical NLP tools to become an integral part of healthcare organizations to improve predictive analytics and provide informed decisions.

In the healthcare industry, John Snow Labs is the leading platform that uses NLP to give voice to the unstructured data of the healthcare universe, transforms it into a useful format, and leverages it for boosting outcomes.

John Snow Labs’ Spark NLP for Healthcare is an open-source text processing library for Python, Java, and Scala. It provides production-grade, scalable, and trainable versions of the latest research in Natural Language Processing.

Get started here and see how NLP for Healthcare can be best applied to your use case.

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