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Bacterial flora of maxillary sinus with oro-antral communication (OAC)
has been examined in period of 72 hours, in patients divided in two
groups – each group has comprised of 15 patients. In first group OAC has
lasted to 48 h. The most frequent aerobic bacteria that have been
isolated pertain to genus: Streptococcus alfa hemolyticus and Pneumonia
(16, 6%) and Staphylococcus epidermitis (24, 9%). The most frequent
anaerobic bacteria that have been isolated are: Streptococcus
intermedius (33, 3%). In second group OAC has lasted 48–72 h. The most
frequent aerobic bacteria that have been isolated pertain to genus:
Staphylococcus epidrmidis (37,5 %) and Staphylococcus aureus (25%) and
then Streptococcus sanguis (25,5%). The most frequent anaerobic bacteria
that have been isolated are: Streptococcus intermedius (30, 0%) as well
as bacteria that pertain to genus Peptostreptoccocus and Clostridium.
There has been identified reduction of percentage of aerobic bacteria in
I group 12 (57, 1%) in comparison with II group 8 (44,4%). Percentage of
anaerobe in I group was 9 (42,9%) and with time of OAC existence it grew
to 10 (55, 6%). Existence of aerobic and anaerobic bacterial flora in
patients with OAC and accession of percentage of anaerobic bacteria with
time of OAC existence show that in this group of patients there have
been appeared bacteria which were dominate in chronic sinusitis before.
Key words: maxillary sinus, oro-antral communication, bacterial flora
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