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Updated: Dec 10, 2025

Author Spotlight: Enhancing Understanding and Treatment Strategies with the NEC-on-a-Chip Model
Published on: July 28, 2023
Defining necrotizing enterocolitis: current difficulties and future opportunities.
Ravi Mangal Patel1, Joanne Ferguson2, Steven J McElroy3
1Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA. rmpatel@emory.edu.
Necrotizing enterocolitis (NEC), a critical condition in infants, lacks a unified definition. This review examines current NEC definitions, advocating for a global consensus to advance research and improve infant outcomes.
Area of Science:
- Neonatal Medicine
- Pediatric Gastroenterology
- Infant Critical Care
Background:
- Necrotizing enterocolitis (NEC) is a significant cause of illness and death in hospitalized infants.
- Established in 1978, the Bell staging system is a foundational classification for NEC, but numerous definitions have emerged since.
- Variations in NEC definitions complicate research and clinical practice.
Purpose of the Study:
- To review and compare eight current definitions of NEC.
- To identify commonalities and discrepancies in clinical and radiographic criteria across definitions.
- To emphasize the need for a global consensus on NEC definition to enhance research and patient outcomes.
Main Methods:
- Systematic review of existing literature on NEC definitions.
- Comparative analysis of clinical signs and radiographic features within different NEC classifications.
- Incorporation of insights from an international NEC conference.
Main Results:
- Eight distinct definitions of NEC were identified and analyzed.
- Significant variations exist in the clinical and radiographic criteria used to define NEC.
- Limitations of current definitions highlight the need for standardization.
Conclusions:
- A unified, global consensus on defining NEC is crucial for advancing research and improving infant survival and health.
- Incorporating patient and family perspectives is vital in redefining NEC.
- Standardized definitions will facilitate more accurate diagnosis, effective treatment, and better research collaboration in NEC.
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