Volume 24, Number 3—March 2018
Research Letter
Delftia tsuruhatensis, an Emergent Opportunistic Healthcare-Associated Pathogen
Table
Characteristics of 11 patients with Delftia tsuruhatensis infection, 2 from the literature and 9 from university hospitals in Marseille, France*
Year, patient age, y/sex | Underlying conditions | Intravascular device | Specimen (description) | Clinical features; drug regimen | ID method; ID (score) | Amplification of 16 rDNA (similarity) | Ref |
---|---|---|---|---|---|---|---|
2010, 53/F |
Metastatic breast cancer |
Yes |
Blood culture |
Port-related bacteremia with fever; ceftriaxone |
Phenotypic methods; Comamonas testosteroni |
D. tsuruhatensis (99%) |
(4) |
2012, 53/F |
Severe pulmonary hypertension |
Yes |
Blood culture |
Catheter-related bacteremia with chills; oral ciprofloxacin |
Phenotypic methods; D. acidovorans |
D. tsuruhatensis (100%) |
(5) |
2008, 77/M |
Liver cancer, colic adenocarcinoma |
Yes |
Bronchial aspirate (105 CFU/mL, pure) |
Considered by physicians as colonization |
Phenotypic methods; D. acidovorans |
D. tsuruhatensis (100%) |
Marseille hospitals (this study) |
2009, 70/F |
Unknown |
Unknown |
Bronchial aspirate (105 CFU/mL, pure) |
Not available |
MALDI-TOF MS; D. acidovorans (1.968) |
D. tsuruhatensis (99.9%) |
Marseille hospitals (this study) |
2010, 59/F |
Alcoholism, chronic end-stage renal failure |
Yes |
Blood culture |
Catheter-related bloodstream infection; piperacillin, tazobactam, gentamycin |
Not available |
D. tsuruhatensis (99.9%) |
Marseille hospitals (this study) |
2010, 6/M |
Cystic fibrosis |
No |
Sputum (103 CFU/mL, not pure) |
Not available |
MALDI-TOF MS; Arthrobacter castelli |
D. tsuruhatensis (99.1%) |
Marseille hospitals (this study) |
2013, 42/M |
Homeless, chronic renal failure, alcoholic hepatitis |
Yes |
Urine (106 CFU/mL, pure) |
Not available |
MALDI-TOF MS; D. tsuruhatensis (2.19) |
D. tsuruhatensis (99.8%) |
Marseille hospitals (this study) |
2014, 13/F |
Liver transplant |
Yes |
Blood cultures
(N = 2) |
Post-transplant fever; piperacillin, tazobactam |
Not available |
D. tsuruhatensis (99.9%) |
Marseille hospitals (this study) |
2015, 47/M |
Kidney transplant |
Yes |
Blood culture |
Fever |
MALDI-TOF MS; D. tsuruhatensis (2.38) |
Not performed |
Marseille hospitals (this study) |
2015, 82/M |
Hemodialysis, vascular dementia |
Yes |
Blood culture 1 |
Catheter-related bloodstream infection; ceftazidime |
MALDI-TOF MS; D. acidovorans (2.02) |
D. tsuruhatensis (100%) |
Marseille hospitals (this study) |
Blood culture 2 |
MALDI-TOF MS; D. tsuruhatensis (2.21) |
D. tsuruhatensis (100%) |
|||||
2015, <1/F | Preterm birth | Yes | Respiratory sample 1 (107 CFU/mL) |
Ventilator-associated pneumonia; ceftazidime, second-line treatment with imipenem and amikacin | MALDI-TOF MS; D. tsuruhatensis (2.08) |
D. tsuruhatensis (99.9%) |
Marseille hospitals (this study) |
Respiratory sample 2 (105 CFU/mL) | MALDI-TOF MS; D. acidovorans (2.21) | D. tsuruhatensis (100%) |
*Ref, reference; ID, identification; MALDI-TOF MS, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.
1These authors contributed equally to this article.