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Risk Factors for Abdominal Incision Infection after Colorectal Surgery in a Saudi Arabian Population: The Method of
Surgical Infections
|April 7, 2015
Summary
Surgical site infections after colorectal surgery are common, with obesity and poor nutrition increasing risk. Accurate surveillance and longer follow-up are crucial for precise infection rate reporting.
Area of Science:
- Surgical outcomes research
- Infectious disease epidemiology
- Colorectal surgery complications
Background:
- Surgical site infection (SSI) rates after colorectal surgery vary widely (2.1%-40%) and may be underestimated.
- Accurate surveillance methods and adequate follow-up duration are essential for reliable SSI rate reporting.
Purpose of the Study:
- To determine the incidence of abdominal incision surgical site infections (SSIs) in Saudi patients undergoing elective open colorectal surgery.
- To identify risk factors associated with SSIs in this population.
Main Methods:
- Prospective observational longitudinal study of 296 adult patients undergoing elective open colorectal surgery.
- Follow-up for 36 days post-surgery by wound care experts using CDC criteria for SSI diagnosis.
- Statistical analysis included univariate and multivariable logistic regression.
Main Results:
- The incidence of abdominal SSIs was 30%.
- Univariate analysis identified pre-operative pre-albumin, operative difficulty due to truncal obesity, and body mass index (BMI) as associated factors.
- Multivariable analysis confirmed pre-operative pre-albumin (OR 0.76) and BMI (OR 4.71) as significant risk factors for SSI.
Conclusions:
- Obesity (measured by BMI) and nutritional status (pre-albumin) are significantly correlated with post-operative abdominal SSIs.
- Surveillance methodology and follow-up length influence reported SSI rates.
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