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1.  Impact of Herpes simplex virus load and red blood cells in cerebrospinal fluid upon herpes simplex meningo-encephalitis outcome 
BMC Infectious Diseases  2012;12:356.
Background
Herpes simplex encephalitis (HSE) often leads to severe disability or death. Factors usually associated with outcome include Simplified Acute Physiology Score, age and delay of initiation of acyclovir treatment.
Our aim was to determine the impact of Herpes simplex virus (HSV) load in cerebrospinal fluid (CSF) upon HSE outcome.
Methods
We retrospectively determined HSV load in the CSF of 43 patients with confirmed HSE, hospitalized in northern France from 1998 to 2005, using CSF samples collected the day of hospital admission and stored at −20°C. We analyzed the association between HSV load and mortality/morbidity by the Glasgow Outcome Scale. Fisher’s exact test and Wilcoxon’s test were used for statistical analysis.
Results
The M/F sex ratio was 1.7 and median patient age was 61 years. Median HSV load in CSF was 2.0 log copies/μL (IQR 25-75=1.2-2.6). The mortality rate was 32.6% six months after HSE diagnosis. Higher age was associated with mortality (p=0.03). Longer delay in acyclovir initiation tended to be associated with higher mortality but did not reach statistical significance (p=0.08). Severe disability and death due to HSV were associated with a higher Knaus score (p=0.004), later acyclovir initiation (p=0.006), older age (p=0.04) and presence of red blood cells in CSF (p=0.05). HSV load in CSF was neither associated with mortality (p=1.00) nor with morbidity (p=0.90).
Conclusion
In this study, HSV load in CSF was not found to be associated with poor outcome in patients with HSE. These data do not support measurement of HSV load at admission in patients with HSE.
doi:10.1186/1471-2334-12-356
PMCID: PMC3560250  PMID: 23245564
Herpes virus; Prognosis; Neurological/brain; Viral load
2.  Outcome and Predictors of Treatment Failure in Total Hip/Knee Prosthetic Joint Infections Due to Staphylococcus aureus 
The results of the present study suggest that ASA score ≤ 2 and use of rifampin-combination therapy are two independent factors associated with favorable outcome of patients treated for total hip or knee prosthetic infections due to S. aureus.
Background. Variables associated with the outcome of patients treated for prosthetic joint infections (PJIs) due to Staphylococcus aureus are not well known.
Methods. The medical records of patients treated surgically for total hip or knee prosthesis infection due to S. aureus were reviewed. Remission was defined by the absence of local or systemic signs of implant-related infection assessed during the most recent contact with the patient.
Results. After a mean posttreatment follow-up period of 43.6 ± 32.1 months, 77 (78.6%) of 98 patients were in remission. Retention of the infected implants was not associated with a worse outcome than was their removal. Methicillin-resistant S. aureus (MRSA)–related PJIs were not associated with worse outcome, compared with methicillin-susceptible S. aureus (MSSA)–related PJIs. Pathogens identified during revision for failure exhibited no acquired resistance to antibiotics used as definitive therapy, in particular rifampin. In univariate analysis, parameters that differed between patients whose treatment did or did not fail were: American Society of Anesthesiologists (ASA) score, prescription of adequate empirical postsurgical antibiotic therapy, and use of rifampin combination therapy upon discharge from hospital. In multivariate analysis, ASA score ≤2 (odds ratio [OR], 6.87 [95% confidence interval {CI}, 1.45–32.45]; P = .04) and rifampin-fluoroquinolone combination therapy (OR, 0.40 [95% CI, 0.17–0.97]; P = .01) were 2 independent variables associated with remission.
Conclusions. The results of the present study suggest that the ASA score significantly affects the outcome of patients treated for total hip and knee prosthetic infections due to MSSA or MRSA and that rifampin combination therapy is associated with a better outcome for these patients when compared with other antibiotic regimens.
doi:10.1093/cid/cir402
PMCID: PMC3148259  PMID: 21810745
3.  Spondylodiscitis and an aortic aneurysm due to Campylobacter coli 
Campylobacter coli is a rare cause of bacteremia. We report here the first case of C.coli spondylodiscitis complicated by an aortic aneurysm. Outcome was favourable with surgery and antibiotic therapy.
doi:10.1186/1476-0711-9-8
PMCID: PMC2828987  PMID: 20132561

Results 1-3 (3)