Overcrowding in Emergency Department: Causes, Consequences, and Solutions-A Narrative Review

Area of Science:

• Healthcare Management
• Public Health
• Emergency Medicine

Background:

• Emergency Department (ED) overcrowding is a prevalent global issue with significant negative impacts on hospital-wide resources and patient care quality.
• Factors contributing to overcrowding include increased patient volume, leading to higher mortality and morbidity rates, and delayed critical care.
• Overcrowding often results in EDs operating at or beyond optimal capacity.

Purpose of the Study:

• To comprehensively review the primary causes and consequences of Emergency Department overcrowding.
• To analyze the specific impact of the SARS-CoV-2 virus on ED overcrowding.
• To identify and evaluate key operational strategies for managing ED overcrowding at both micro (ED-level) and macro (hospital-level) scales.

Main Methods:

• Systematic literature review of studies on Emergency Department overcrowding.
• Analysis of factors contributing to patient surges and resource strain.
• Evaluation of implemented and proposed operational strategies for overcrowding mitigation.

Main Results:

• Overcrowding leads to compromised patient care, increased wait times, and adverse health outcomes.
• The SARS-CoV-2 pandemic exacerbated existing overcrowding issues in EDs worldwide.
• Both ED-specific and hospital-wide strategies are crucial for effective overcrowding management.

Conclusions:

• Addressing Emergency Department overcrowding requires a multifaceted approach, integrating operational improvements at all hospital levels.
• Effective strategies can improve patient flow, resource allocation, and overall healthcare quality during high-demand periods.
• Continued research and implementation of evidence-based strategies are essential for sustainable solutions to ED overcrowding.