Phenotypic characterization of the Egyptian isolates “extensively drug-resistant Pseudomonas aeruginosa” and detection of their metallo-β-lactamases encoding genes

Bulletin of the National Research Centre

Table 3 Antibiotic resistance patterns of XDR and MDR P. aeruginosa isolates

Resistance pattern	Isolates number (%)
Resistance pattern	CRPA	CSPA
Isolates with XDR criteria
Resistant to (11) antibiotics
1. IPM, MEM, CIP, ATM, CN, CAZ, PRL, TZP, LEV, AK, FEP	9(15.2%)	0
Resistant to (10) antibiotics
2. IPM, MEM, CIP, CN, TZP, PRL, LEV, AK, FEP,ATM	1(1.69%)	0
3. IPM, MEM, CN, CAZ, PRL, TZP, LEV, AK, FEP,ATM	1(1.69%)	0
4. IPM, MEM, CIP, CN, CAZ, PRL, TZP, LEV, AK, FEP	34(57.6%)	0
Isolates with MDR criteria
Resistant to (9) antibiotics
5. IPM, MEM, CIP, CN, CAZ, PRL, LEV, AK, FEP	2(3.38%)	0
6. IPM, MEM, CIP, ATM, CN, CAZ, PRL, LEV, FEP	1(1.69%)	0
7. IPM, MEM, CIP, ATM, CN, PRL, LEV, AK, FEP	1(1.69%)	0
8. IPM, MEM, CIP, CN, CAZ, TZP, LEV, AK, FEP	1(1.69%)	0
9. IPM, MEM, CN, CAZ, PRL, TZP, LEV, AK, FEP	1(1.69%)	0
10. IPM, MEM, ATM, CN, PRL, TZP, LEV, AK, FEP	1(1.69%)	0
11. CIP, ATM, CN, CAZ, PRL, TZP, LEV, AK, FEP	0	2(4.87%)
Resistant to (8) antibiotics
12. IPM, CIP, ATM, CN, TZP, LEV, AK, FEP	1(1.69%)	0
Resistant to (7) antibiotics
13. IPM, MEM, ATM, CN, PRL, LEV, FEP	1(1.69%)	0
14. IPM, MEM, CIP, CN, PRL, LEV, FEP	2(3.38%)	0
15. IPM, MEM, CIP, PRL, LEV, AK, FEP	1(1.69%)	0
16. IPM, MEM, CIP, TZP, LEV, AK, FEP	1(1.69%)	0
17. CIP, ATM, CAZ, PRL, TZP, LEV, FEP	0	1(2.43%)
Resistant to (6) antibiotics
18. CIP, PRL, TZP, LEV, AK, FEP	0	1(2.43%)
Resistant to (5) antibiotics
19. IPM, CIP, PRL, LEV, FEP	1(1.69%)	0
20. CIP, TZP, LEV, AK, FEP	0	1(2.43%)
21. ATM, CN, LEV, AK, FEP	0	1(2.43%)
Resistant to (4) antibiotics
22. CIP, CN, PRL, FEP	0	1(2.43%)
Resistant to (3) antibiotics
23. ATM, CAZ, AK	0	1(2.43%)