Journal List > J Korean Acad Nurs Adm > v.22(5) > 1051875

Kim and Lee: A Study on Failure Mode and Effect Analysis (FMEA) for Preoperative Risk Prevention



The purpose of this research was to provide patients with safe preoperative preparatory procedures by removing any risk factors from the preparatory procedures by using failure mode and effects analysis, which is a prospective risk-managing tool.


This was a research design in which before and after conditions of a single group were studied, Failure mode and effects analysis were applied for the preparatory procedures done before operations.


The preparation omission rate before the operation decreased from 2.70% to 0.04%, and operation cancellation rate decreased from 0.48% to 0.08%.


Failure mode and effects analysis which remove any risk factors for patients in advance of the operation is effective in preventing any negligent accidents.

Figures and Tables

Figure 1

Preoperative process

Table 1

Scoring System for Severity, Frequency of Occurrence and Detection to Input into Failure Mode and Effects Analysis

Table 2

Risk Probability Number (RPN) of 4 Failure Modes


Note. The risk priority number (RPN) was calculated by multiplying S, O and D scores.

S=Severity; O=Occurrence; D=Detection; RPN=Risk priority number.

Table 3

Improvement Activities for the Elimination of Potential Risk Factors in Pre-operational Process

Table 4

Effects of Applying Failure Mode and Effects Analysis (FMEA)



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