Abstract：
:Összefoglaló. Gyógyszereink egy részének jelentős, az eredeti alkalmazástól eltérő hatása is van. Ezek felismerése fontos, hogy elkerüljük a nem várt mellékhatásokat, vagy kihasználjuk ezeket a kedvező adottságokat. A helyi érzéstelenítők antibakteriális hatása 1909 óta ismert, de ennek több évtizeden keresztül nem tulajdonítottak jelentőséget. Az 1960-as években figyeltek fel először az álnegatív mikrobiológiai eredmények lehetőségére, helyi érzéstelenítőket használva a mintavételhez. Tanulmányok igazolták, hogy a bronchoszkópiás, seb-, bőr- vagy fül-, orr-, gégészeti bakteriológiai eredmények is érintve lehetnek. A ma is használt gyógyszerek közül a 0,5%-os bupivakainnak és a 2%-os lidokainnak van jelentős antibakteriális hatása Gram-pozitív és Gram-negatív baktériumokkal szemben, ami kifejezettebb 37 °C-on, mint szobahőmérsékleten. A legerősebb antibakteriális hatást a 0,5%-os bupivakain mutatta. A napi gyakorlatban alkalmazott koncentrációjuk magasabb, mint a különböző klinikai izolátumokkal szemben meghatározott minimális gátló koncentráció. Fenti tulajdonságaik alapján felmerült szerepük a kórházi sebfertőzések csökkentésében is. A hatásmechanizmus több pontja ismert, károsítják a sejthártya integritását, és több bakteriális enzim működését gátolják. Orv Hetil. 2021; 162(5): 171-176. Summary. Medications may have important impacts other than the original effect. It is important to know about these to avoid side effects or use these beneficial capabilities. The antibacterial effect of local anaesthetics has been known since 1909. For decades, no attention has been payed to this fact. In the 1960s, the high number of negative microbiological results when local anaesthetics were used before sampling drew attention to the possible antibacterial effect. Studies suggested that cultures from bronchoscopy, wound, skin or nasal samples may be affected. Bupivacaine 0,5% and lidocaine 2% have the most noticeable effect against both Gram-positive and Gram-negative bacteria. This impact is more pronounced at 37 °C than at room temperature. Bupivacaine 0,5% has the most pronounced effect. The concentration of local anaesthetics in daily routine is higher than the minimal inhibitory concentration against various clinical isolates. In the view of these results, they may contribute to reduce surgical site infections. There are known details regarding the mechanism of action. Local anaesthetics have target sites on cellular membrane and inhibit bacterial enzymes. Orv Hetil. 2021; 162(5): 171-176.
journal_name
Orv Hetiljournal_title
Orvosi hetilapauthors
Szabó Z,Szentkirályi É,Kovács T,Győrffy Ö,Sütő B,Bátai I,Kerényi Mdoi
10.1556/650.2021.32002subject
Has Abstractpub_date
2021-01-31 00:00:00pages
171-176issue
5eissn
0030-6002issn
1788-6120journal_volume
162pub_type
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