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Efficacy of ampicillin/sulbactam combination in experimental shunt infections caused by Staphylococcus epidermidis. A
Y Gedikoğlu1, A Colak, K Benli
1Department of Neurosurgery, Hacettepe and Istanbul University School of Medicine, State Hospital, Turkey.
Abstract:
In this study, the efficacy of ampicillin/sulbactam combination in reactions of periventricular tissue of the lateral ventricle induced by the presence of infected (Staphylococcus epidermidis) silicone rubber shunt tubing was examined by using light and scanning electron microscopy. It was demonstrated that reactive changes to implants had occurred in periventricular tissue in the control group. In infected shunt tubing without given prophylactic antibiotic group, generalized meningitis and ventriculitis, loss of integrity of ependymal cells, numerous inflammatory cells, bacterial colonies, exuda and even pus were seen. It was also shown that rarely inflammatory reactions, minimal disintegration of ependymal cells, no bacterial colonies, and phagocytes were present in the group which was given prophylactic ampicillin/sulbactam combination per and postoperatively. We think that ampicillin/sulbactam combination is very effective in prevention and treatment of shunt infections.
Insights
Ampicillin/sulbactam effectively prevents and treats infections caused by Staphylococcus epidermidis in silicone shunt tubing. This antibiotic combination minimizes inflammation and bacterial presence in periventricular tissue, crucial for preventing shunt complications.
Area of Science:
- Neuroscience
- Infectious Diseases
- Pharmacology
Background:
- Shunt tubing is essential for treating hydrocephalus.
- Shunt infections, often caused by Staphylococcus epidermidis, are a significant complication.
- Periventricular tissue is vulnerable to inflammatory damage from infected shunts.
Purpose of the Study:
- To evaluate the efficacy of ampicillin/sulbactam in preventing and treating periventricular tissue reactions to infected silicone shunt tubing.
- To assess the impact of prophylactic ampicillin/sulbactam on histological changes in the brain tissue surrounding shunts.
Main Methods:
- Light and scanning electron microscopy were used to examine periventricular tissue.
- Comparison of tissue reactions in control, infected shunt, and antibiotic-treated groups.
- Histological analysis focused on ependymal cell integrity, inflammation, and bacterial presence.
Main Results:
- Infected shunts without antibiotics caused generalized meningitis, ventriculitis, and significant tissue damage.
- Prophylactic ampicillin/sulbactam resulted in minimal inflammation and ependymal cell disintegration.
- No bacterial colonies were observed in the ampicillin/sulbactam treated group.
Conclusions:
- Ampicillin/sulbactam is highly effective in preventing shunt infections.
- The antibiotic combination demonstrates significant therapeutic potential for shunt-related infections.
- Prophylactic use of ampicillin/sulbactam protects periventricular tissue from infection-induced damage.