The Need of Drainage After Cholecystectomy
1990

The Need for Drainage After Cholecystectomy

Sample size: 200 publication Evidence: moderate

Author Information

Author(s): Julio A. Diez, M. Raiol Pujato, Alberto R. Ferreres

Primary Institution: Hospital de Clinicas 'Jos de San Martin', University of Buenos Aires

Hypothesis

Is routine drainage after uncomplicated cholecystectomy necessary?

Conclusion

Routine surgical drainage after uncomplicated cholecystectomy is unnecessary and may lead to higher rates of postoperative fever and wound infection.

Supporting Evidence

  • Patients without drainage had a shorter median postoperative hospital stay of 3.5 days compared to 4.7 days for those with drainage.
  • Postoperative fever occurred in 23% of patients with drainage versus 4% without drainage.
  • Wound infection was noted in 7% of patients with drainage but none in the group without drains.

Takeaway

The study found that patients who didn't have drains after gallbladder surgery had fewer fevers and infections, meaning drains might not be needed.

Methodology

A prospective study comparing postoperative outcomes in patients with and without drainage after elective cholecystectomy.

Potential Biases

Potential operator bias due to randomization prior to surgery.

Limitations

The study included only elective cases and had a significant imbalance between the size of study groups.

Participant Demographics

Patients aged 16 to 74, with a mean age of 56.28; 76.5% were women.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

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