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Appendicitis and appendectomies, active and reserve components, U.S. Armed Forces, 2002-2011
MSMR
|January 15, 2013
Summary
Appendicitis and appendectomy rates increased in military members from 2002-2011. Advances in diagnostic imaging and the rise of outpatient laparoscopic appendectomies contributed to these trends.
Area of Science:
- Medical Research
- Surgical Procedures
- Epidemiology
Background:
- Appendicitis is a frequent condition, particularly in young, healthy individuals.
- Appendectomy is a common surgical procedure in the United States.
- Appendicitis and appendectomy data were analyzed for U.S. active and reserve component military members between 2002 and 2011.
Purpose of the Study:
- To examine trends in appendicitis incidence and appendectomy rates within the U.S. military.
- To identify demographic differences in appendicitis and appendectomy outcomes.
- To assess changes in surgical settings and diagnostic approaches for appendicitis.
Main Methods:
- Retrospective analysis of military health records from 2002 to 2011.
- Calculation of appendicitis incidence rates per 10,000 person-years (p-yrs).
- Comparison of appendectomy types (incidental vs. non-incidental), settings (inpatient vs. outpatient), and diagnostic methods.
Main Results:
- Appendicitis incidence increased in the active component (18.4 per 10,000 p-yrs) and counts rose in the reserve component.
- Active component males had higher rates of perforated appendicitis; females had higher rates of incidental appendectomies.
- Outpatient appendectomies increased four-fold, while "negative appendectomies" and inpatient bed days decreased.
Conclusions:
- Trends suggest increased utilization of advanced diagnostic imaging for appendicitis.
- A significant shift towards outpatient laparoscopic appendectomies occurred.
- These changes reflect advancements in diagnostic capabilities and surgical treatment strategies.
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