Volume 25, Number 9—September 2019
Synopsis
Epidemiology of Carbapenemase-Producing Klebsiella pneumoniae in a Hospital, Portugal
Table
PFGE type | ST | Isolation year† | No. isolates | Resistance determinants‡ | Plasmid type§ | MIC for ceftazidime/ avibactam, mg/L | Nonsusceptible phenotype¶ |
---|---|---|---|---|---|---|---|
A |
147 |
2016 (6) | 7 (15%) |
blaKPC-3, blaGES-5, blaOXA-9, qnrS |
IncFII/ColE1 | 1.5–3 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, IMP, ETP, MEM, GMI (6), AKN (6), CIP, TIG (1), SXT |
2018 (1) |
IncN/ColE1 |
||||||
B |
147 |
2016 (2) | 6 (13%) |
blaKPC-3, blaOXA-9, qnrS |
IncFII |
1–2 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, IMP, ETP, MEM, GMI, AKN, CIP, TIG, SXT |
2017 (2) | |||||||
2018 (2) |
|||||||
C |
231 |
2014 (1) | 3 |
blaKPC-3, qnrS | IncFII |
1.5 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, IMP (2), ETP, MEM, GMI (2), AKN (2), CIP, TIG (1), SXT |
2017 (1) | blaKPC-3, blaOXA-9, qnrS | ||||||
2018 (1) |
blaKPC-3, blaOXA-9, qnrS |
||||||
D |
13 |
2017 (2) | 7 (15%) |
blaKPC-3, blaOXA-9, qnrS | IncFIB |
0.75–2 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, IMP (4), ETP, MEM, GMI (5), AKN (4), CIP (2), TIG (1), FOS (1), SXT |
2018 (5) |
blaKPC-3, blaOXA-9 (3), qnrS |
||||||
E |
147 |
2017 (2) | 3 |
blaKPC-3, blaOXA-9 (1), qnrS | IncFIIA |
0.75–1.5 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, IMP, ETP, MEM, GMI (1), AKN (1), CIP, TIG (1), SXT (2) |
2018 (1) |
blaKPC-3, blaOXA-9, qnrS |
||||||
F |
960 |
2013 |
1 |
blaKPC-3, qnrS |
IncN |
2 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, IMP, ETP, MEM, SXT |
G |
348 |
2017 (1) | 7 (15%) |
blaKPC-3, blaOXA-9, qnrS | IncFII |
0.5–2 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, IMP (6), ETP, MEM, GMI (6), AKN (5), CIP (6), TIG (2), FOS (1), SXT (6), COL (1) |
2018 (6) |
blaKPC-3, blaOXA-9 (5), qnrS |
||||||
H |
45 |
2017 |
1 |
blaKPC-3, blaOXA-9, qnrS |
IncFII |
0.75 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, IMP, ETP, CIP, SXT |
I |
35 |
2018 |
1 |
blaKPC-3, blaOXA-9, qnrS |
IncN |
0.75 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, IMP, ETP, MEM, GMI, AKN, CIP, SXT |
J |
17 |
2016 (1) | 6 (13%) |
blaOXA-181, qnrS |
IncX3 |
0.125–0.25 |
PPT, TCC, AMC, CZD, CTX, FOX (5), ATM, IMP (3), ETP, GMI (5), AKN (3), CIP, SXT |
2017 (1) | |||||||
2018 (4) |
|||||||
L |
17 |
2017 |
1 |
blaOXA-181, qnrS |
IncX3 |
0.25 |
PPT, TCC, AMC, CZD, CTX, ATM, ETP, GMI, CIP, SXT |
M |
35 |
2017 (1) | 2 |
blaOXA-181, qnrS |
IncX3 |
0.25 |
PPT, TCC, AMC, CZD, CTX, FOX, ATM, ETP, GMI, CIP, SXT |
2018 (1) |
PPT, TCC, AMC, CZD, CTX, ATM, ETP, CIP, SXT |
||||||
N | 29 | 2018 | 1 | blaGES-5, blaBEL-1, qnrS | ColE | 0.5 | PPT, TCC, AMC, CZD, FOX, FOS |
*AKN, amikacin; AMC, amoxicillin/clavulanic acid; ATM, aztreonam; CIP, ciprofloxacin; COL, colistin; CTX, cefotaxime; CZD, ceftazidime; ETP, ertapenem; FOS, fosfomycin; FOX, cefoxitin; GMI, gentamicin; IMP, imipenem; MEM, meropenem; PFGE, pulsed-field gel electrophoresis; PPT, piperacillin/tazobactam; ST, sequence type (determined by multilocus sequence typing); SXT, trimethoprim/sulfamethoxazole; TCC, ticarcillin/clavulanic acid; TIG, tigecycline.
†Periods for which the clonal type is clearly predominant shown in bold. Numbers in parentheses indicate number of isolates recovered for each year listed.
‡Carbapenemase genes are shown in bold. Numbers in parentheses indicate the number of isolates that carry the resistance gene, if not all.
§Type of the plasmid carrying the carbapenemase gene.
¶Numbers in parentheses indicate number of isolates that are nonsusceptible to the antimicrobial agent, if not all.