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Ventilator-associated pneumonia using a closed versus an open tracheal suction system.
Leonardo Lorente1, María Lecuona, María M Martín
1Department of Critical Care, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain.
Critical Care Medicine
|January 13, 2005
Summary
A closed-tracheal suction system did not reduce ventilator-associated pneumonia (VAP) incidence compared to an open system. Costs were significantly higher for the closed system, offering no clinical benefit in VAP prevention.
Area of Science:
- Critical Care Medicine
- Infectious Disease Prevention
- Respiratory Therapy
Background:
- Ventilator-associated pneumonia (VAP) is a significant complication in intensive care units.
- Suctioning systems are crucial for airway management in mechanically ventilated patients.
Purpose of the Study:
- To compare the incidence of VAP between closed-tracheal suction (CTS) systems and open suction (OS) systems.
- To evaluate the cost-effectiveness of CTS versus OS in preventing VAP.
Main Methods:
- A prospective, randomized study conducted in a medical-surgical intensive care unit.
- Patients requiring mechanical ventilation for over 24 hours were randomized to either CTS or OS.
- Pneumonia classification included endogenous and exogenous types, with throat swabs analyzed.
Main Results:
- No significant difference in VAP incidence was observed between the CTS (20.47%) and OS (18.02%) groups.
- The number of VAP cases per 1000 mechanical ventilation-days was similar for both systems (17.59 vs. 15.84).
- The daily patient cost for CTS ($11.11) was significantly higher than for OS ($2.50).
Conclusions:
- The closed-tracheal suction system did not demonstrate a reduction in VAP incidence compared to the open suction system.
- No significant difference was found in the incidence of exogenous VAP or causative microorganisms.
- The higher cost of the closed-suction system, without a corresponding clinical benefit in VAP reduction, makes the open system more cost-effective.