Research Article

NDM-1-Positive K. pneumoniae at a Teaching Hospital in Southwestern China: Clinical Characteristics, Antimicrobial Resistance, Molecular Characterization, Biofilm Assay, and Virulence

Table 1

Clinical characteristics of patients with NDM-1-positive K. pneumoniae.

Isolate no.GenderAge (yr)Date of specimen collectionDays in the hospitalIsolation site(s)WardInvasive treatmentTreatmentOutcome

K-N1Male452017/1/989SputumTransplant centerLaparotomySCF, MEM, TECRecovered
K-N2FemaleNewborn2017/5/1739SputumNICUUmbilical vein cannulaAMC, SCF, FLUCZ, AZT, CRORecovered
K-N3Male722017/6/2636SputumElderly generalTracheal intubationMEM, KETOC, VADied
K-N4MaleNewborn2017/9/2246Catheter tipNICUUmbilical vein intubation; central venous catheterizationSCF, AZT, FLUCZ, TZP, CAZRecovered
K-N5MaleNewborn2017/12/2184SputumNICUNoninvasive ventilatorMEM, AMC, PISRecovered
K-N6FemaleNewborn2018/1/310SputumNICUTracheal intubation; umbilical vein catheterAMC, SCFDied
K-N7MaleNewborn2018/1/528UrineNICUUmbilical vein catheterization; ventilator oxygenAMC, FLUCZRecovered
K-N8Male972018/1/1013SputumRespiratory unitNoMEM, KETOC, LEVRecovered
K-N9Male902018/1/1120SputumGeneral surgeryNoMEM, FLUCZDied
K-N10FemaleNewborn2018/1/2420UrineNICUTracheal intubation; umbilical vein catheterizationMEM, AMC, SCFRecovered
K-N11MaleNewborn2018/2/533Catheter tipNICUTracheal intubation; umbilical vein catheterizationMEM, AMCRecovered
K-N12FemaleNewborn2018/2/8100SputumNICUTracheal intubation; umbilical vein catheterizationAMCDied
K-N13MaleNewborn2018/2/1216SputumNICUTracheal intubationSCFRecovered
K-N14FemaleNewborn2018/3/151UrineNICUUmbilical vein catheterization; noninvasive ventilatorMEM, AMC, SCFRecovered
K-N15Male852018/3/1327SputumGeneral surgeryNoMOXRecovered
K-N16FemaleNewborn2018/5/1064Catheter tipNICUTracheal intubation; umbilical vein catheterizationMEM, SCF, IPMRecovered
K-N17Male862018/7/2714SputumGastroenterologyNoMEMDied
K-N18Female872018/7/319SputumNICUNoSCFRecovered
K-N19Male872018/8/814SputumRespiratory unitNoninvasive ventilatorMEM, FLUCZ, SCFDied
K-N20Male562018/8/2914BloodNeurosurgeryTracheal intubation, noninvasive ventilator;MEM, VARecovered
K-N21Male92018/9/2891BloodNeurosurgeryCraniopharyngioma resection; lateral ventricle punctureMEM, CZO, VARecovered
K-N22Female492020/1/956BloodICUTracheal intubationTZP, IMPRecovered
K-N23Male822020/2/1318SputumNICUTracheal intubationCMZ, TZP, IMPRecovered
K-N24Female472020/2/2813UrineICUTracheal intubationLVX, IMP, SCF, MEMRecovered
K-N25Male912020/3/918SputumNeurosurgeryNoIMP, Cefoselis, LVXRecovered
K-N26Male882020/3/1215SputumNeurosurgeryTracheal intubationMEM, TZP, LVXRecovered
K-N27Male622020/3/1425UrineICUTracheal intubationMEM, TZPRecovered
K-N28Female592020/3/2714SputumNeurosurgeryLateral ventricle punctureTZP, MXFRecovered
K-N29Female932020/4/1246WoundICUTracheal intubationMEM, TZP, SCF, LVXRecovered
K-N30Male142020/4/2921SputumHematologyTracheal intubationMEM, TZPRecovered

Notes. SCF: cefoperazone sulbactam; TEC: teicoplanin; MEM: meropenem; CRO: ceftriaxone; MOX: Lafaxed; AMC: amoxicillin clavulanate potassium; KETOC: voriconazole; FLUCZ: fluconazole; AZT: aztreonam; VA: vancomycin; CAZ: ceftazidime.