Microbiological study of dacryocystitis in northwest of Iran

Figures & data

Figure 1 Age group of patients with dacryocystitis and percentage in population studied (≤10 years, 11–30 years, 31–50 years, ≥51 years).

Table 1 Frequency of isolated microorganisms in patients with dacryocystitis according to the condition of the disease, along with the most sensitive antibiotics

Strains	Type of dacryocystitis		Total	Most sensitive antibiotics
	Acute	Chronic
Staphylococcus epidermidis	10 (25.64%)	15 (25.86%)	25 (25.8%)	Vancomycin
Staphylococcus aureus	13 (33.4%)	6 (10.34%)	19 (19.6%)	Chloramphenicol
Streptococcus pneumoniae	7 (17.94%)	4 (6.89%)	11 (11.4%)	Vancomycin
Haemophilus influenzae	6 (15.38%)	5 (8.62%)	11 (11.4%)	Ciprofloxacin
Pseudomonas spp.	1 (2.55%)	9 (15.51%)	10 (10.4%)	Ciprofloxacin
Candida spp.	0 (0%)	6 (10.34%)	6 (6.1%)	–
Streptococcus viridans	0 (0%)	4 (6.9%)	4 (4.1%)	Erythromycin Vancomycin
Escherichia coli	1 (2.55%)	3 (5.2%)	4 (4.1%)	Ciprofloxacin Gentamicin
Aspergillus	0 (0%)	4 (6.9%)	4 (4.1%)	–
Diphtheroids	0 (0%)	2 (3.44%)	2 (2%)	Vancomycin
Streptococcus pyogenes	1 (2.55%)	0 (0%)	1 (1%)	Sensitive to all
Total	39 (100%)	58 (100%)	97 (100%)

Table 2 Distribution of susceptibility and antibiotic resistance of isolated microorganisms in dacryocystitis

Antibiotics	Sensitive	Nonsensitive (intermediate or resistant)	Total
Ciprofloxacin	66 (75.9%)	21 (24.1)	87 (100%)
Ceftriaxone	63 (73.6%)	23 (26.4%)	87 (100%)
Vancomycin	59 (67.8%)	28 (32.2%)	87 (100%)
Chloramphenicol	53 (60.9%)	34 (39.1%)	87 (100%)
Gentamicin	49 (56.3%)	38 (43.7%)	87 (100%)
Erythromycin	46 (52.9%)	41 (47.1%)	87 (100%)

Table 3 The most common isolated microorganisms and the most sensitive antibiotics of patients with dacryocystitis according to the age groups

Age group	Most common isolated microorganisms	Most sensitive antibiotics
≤10 years	Pseudomonas spp. Haemophilus influenzae	Ciprofloxacin Vancomycin
>10 years	Staphylococcus epidermidis Staphylococcus aureus	Ciprofloxacin Vancomycin