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Lapin K.S.
Severodvinsk City Clinical Hospital No. 2
Kuzkov V.V.
Severodvinsk City Clinical Hospital No. 2;
Northern State Medical University
Chernova T.V.
Severodvinsk City Clinical Hospital No. 2
Galkina T.V.
Severodvinsk City Clinical Hospital No. 2
Kirov M.Yu.
Northern State Medical University
Impact of closed suction system on the incidence of ventilator-associated pneumonia, patient colonization and contamination of inanimate surfaces
Journal: Russian Journal of Anesthesiology and Reanimatology. 2020;(4): 32‑41
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To cite this article:
Lapin KS, Kuzkov VV, Chernova TV, Galkina TV, Kirov MYu. Impact of closed suction system on the incidence of ventilator-associated pneumonia, patient colonization and contamination of inanimate surfaces. Russian Journal of Anesthesiology and Reanimatology.
2020;(4):32‑41. (In Russ.)
https://doi.org/10.17116/anaesthesiology202004132
To assess the effect of closed suction systems on the incidence and timing of ventilator-associated pneumonia (VAP), colonization of oropharynx, trachea and surrounding inanimate surfaces and clinical outcomes within 96 hours of mechanical ventilation.
A prospective randomized pilot study included 40 adults aged 18—80 years. All patients required mechanical ventilation for at least 48 hours. The diagnosis of VAP was confirmed using Clinical Pulmonary Infection Score (CPIS) ≥6 points. Patients were randomized into two groups: the control group of open suction of tracheal secretion (OS, n=20) and the closed suction group (CS, n=20). The common VAP prevention measures were realized in both groups.
The overall incidence of VAP in both groups was 30% (n=12). VAP was diagnosed in 45% (n=9) and 5% (n=3) of patients, respectively (p=0.048). Early VAP (within 48—96 hours) was registered in 5 patients in the OS group and in 3 patients in the CS group, whereas delayed VAP (after 96 hours) was observed in the OS group only (n=4). In the CS group, we have found significantly higher rate of oropharyngeal Candida spp. contamination at 48 hours (p=0.013). K. pneumoniae predominated among the causative microorganisms of early VAP in the CS group (67%), and Str. pneumoniae was the key causative agent in the OS group (40%). In the OS group, the most common microorganism for the late VAP was E. coli (75%). SOFA score at 48 hours was significantly lower in the CS group.
Closed suction of respiratory secretions within 96 hours of mechanical ventilation is associated with reduced incidence of VAP (first of all, late forms) and attenuation of multiple organ dysfunction.
Keywords:
Authors:
Lapin K.S.
Severodvinsk City Clinical Hospital No. 2
Kuzkov V.V.
Severodvinsk City Clinical Hospital No. 2;
Northern State Medical University
Chernova T.V.
Severodvinsk City Clinical Hospital No. 2
Galkina T.V.
Severodvinsk City Clinical Hospital No. 2
Kirov M.Yu.
Northern State Medical University
Received:
09.04.2020
Accepted:
19.04.2020
List of references:
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