1Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
2Department of Molecular Cell Biology, Sungkyunkwan University College of Medicine, Suwon, Korea
Copyright © 2018 Kosin University School of Medicine Proceedings
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| Patient 1 | Patient 2 | Patient 3 | Patient 4 | Patient 5 | Patient 6 | |
|---|---|---|---|---|---|---|
| Organism | L. lactis | L. pseudomes-enteroides | L. pseudomes-enteroides | L. mesenteroides | L. citreum | L. citreum |
| Age/ Sex | 75/M | 56/M | 80F | 65M | 73F | 60M |
| Underlying disease | ||||||
| Malignancies | Pancreas cancer | External auricular cancer | Early gastric cancer | Cholangio-carcinoma, Adavanced gastric cancer | ||
| Diabetes | + | + | + | - | - | - |
| Others Indwelling venous catheter C | Cholecystitis Central catheter | Chronic hepatitis BVenous port | Congestive heart failure Atrial fibrillation | Venous port | Congestive heart failure Central catheter | Venous port |
| *WBC(/mm3) | 10,290 | 11,600 | 11,780 | 4,250 | 10,690 | 16,380 |
| *CRP(mg/dL) | 31.06 | 17.16 | 7.21 | 5.12 | 9.86 | 20.66 |
| †Antibiotics | Imipenem | Ticarcillin /clavulanate | Levofloxacin | Cefepime | Ceftriaxone | Teicoplanin, Meropenem |
| ‡All-cause mortality | Died | Died | Survived | Survived | Died | Died |
| Patient 1 L. lactis | Patient 2 L. pseudomes-enteroides | Patient 3 L. pseudomes-enteroides | Patient 4 L. mesenteroides | Patient 5 L. citreum | Patient 6 L. citreum | |
|---|---|---|---|---|---|---|
| Ampicillin | I (4)* | S (< = 0.25) | I (0.5) | I (2) | S (< = 2) | I (4) |
| Imipenem | S (< = 1) | |||||
| Ciprofloxacin | S (1) | |||||
| Penicillin G | I (0.5) | I (0.25) | I (0.25) | I (1) | S (1) | I (2) |
| Vancomycin | R (> = 8) | R (> = 8) | R (> = 8) | R (>=8) | R (> = 32) | R (> = 8) |
| Clindamycin | I (0.5) | S (< = 0.25) | S (< = 0.25) | S (<=0.25) | S (< = 0.25) | S (< = 0.25) |
| Erythromycin | S (< = 0.12) | S (< = 0.12) | S (< = 0.12) | S (<=0.12) | S (< = 0.25) | S (< = 0.12) |
| Tetracyclin | S (2) | S (2) | S (2) | S (2) | S (4) | S (0.5) |
| Levofloxacin | S (1) | I (4) | S (1) | I (4) | I (4) | S (2) |
| Teicoplanin | R (> = 32) | |||||
| Norfloxacin | R (> = 16) | |||||
| Gentamicin | S (†SYN-S) | |||||
| Cefazolin | S (2) | |||||
| Ceftriaxone | R (> = 8) | R (> = 8) | R (> = 8) | R (> = 8) | R (> = 8) | |
| Cefotaxime | R (4) | R (4) | R (> = 8) | R (> = 8) | R (> = 8) | |
| Linezolid | S (< = 2) | S (< = 2) | S (< = 2) | S (< = 2) | S (< = 2) |
Clinical feature of 6 patients with L. species bacteremia
| Patient 1 | Patient 2 | Patient 3 | Patient 4 | Patient 5 | Patient 6 | |
|---|---|---|---|---|---|---|
| Organism | L. lactis | L. pseudomes-enteroides | L. pseudomes-enteroides | L. mesenteroides | L. citreum | L. citreum |
| Age/ Sex | 75/M | 56/M | 80F | 65M | 73F | 60M |
| Underlying disease | ||||||
| Malignancies | Pancreas cancer | External auricular cancer | Early gastric cancer | Cholangio-carcinoma, Adavanced gastric cancer | ||
| Diabetes | + | + | + | - | - | - |
| Others Indwelling venous catheter C | Cholecystitis Central catheter | Chronic hepatitis BVenous port | Congestive heart failure Atrial fibrillation | Venous port | Congestive heart failure Central catheter | Venous port |
| 10,290 | 11,600 | 11,780 | 4,250 | 10,690 | 16,380 | |
| 31.06 | 17.16 | 7.21 | 5.12 | 9.86 | 20.66 | |
| Imipenem | Ticarcillin /clavulanate | Levofloxacin | Cefepime | Ceftriaxone | Teicoplanin, Meropenem | |
| Died | Died | Survived | Survived | Died | Died |
Antimicrobial susceptibility of isolates of L. isolates
| Patient 1 L. lactis | Patient 2 L. pseudomes-enteroides | Patient 3 L. pseudomes-enteroides | Patient 4 L. mesenteroides | Patient 5 L. citreum | Patient 6 L. citreum | |
|---|---|---|---|---|---|---|
| Ampicillin | I (4) |
S (< = 0.25) | I (0.5) | I (2) | S (< = 2) | I (4) |
| Imipenem | S (< = 1) | |||||
| Ciprofloxacin | S (1) | |||||
| Penicillin G | I (0.5) | I (0.25) | I (0.25) | I (1) | S (1) | I (2) |
| Vancomycin | R (> = 8) | R (> = 8) | R (> = 8) | R (>=8) | R (> = 32) | R (> = 8) |
| Clindamycin | I (0.5) | S (< = 0.25) | S (< = 0.25) | S (<=0.25) | S (< = 0.25) | S (< = 0.25) |
| Erythromycin | S (< = 0.12) | S (< = 0.12) | S (< = 0.12) | S (<=0.12) | S (< = 0.25) | S (< = 0.12) |
| Tetracyclin | S (2) | S (2) | S (2) | S (2) | S (4) | S (0.5) |
| Levofloxacin | S (1) | I (4) | S (1) | I (4) | I (4) | S (2) |
| Teicoplanin | R (> = 32) | |||||
| Norfloxacin | R (> = 16) | |||||
| Gentamicin | S ( |
|||||
| Cefazolin | S (2) | |||||
| Ceftriaxone | R (> = 8) | R (> = 8) | R (> = 8) | R (> = 8) | R (> = 8) | |
| Cefotaxime | R (4) | R (4) | R (> = 8) | R (> = 8) | R (> = 8) | |
| Linezolid | S (< = 2) | S (< = 2) | S (< = 2) | S (< = 2) | S (< = 2) |
Reference range: WBC 3,000–10,000(/mm3), CRP 0–0.5(mg/dL) Adminitrated after Leuconostoc species identification All cause mortality in 30 days
Minimal inhibitory concentration (MIC) SYN: Synergistic