In vitro activity of ceftaroline and ceftobiprole against methicillin-resistant Staphylococcus aureus with decreased susceptibility to vancomycin isolated in paediatric patients.

Minimal inhibitory concentrations (MIC, mg/l) of ceftaroline and ceftobiprole were evaluated over 70 methicillin-resistant Staphylococcus aureus (MRSA) strains with vancomycin MIC ≥1 isolated in a paediatric hospital. The proportion of non-wild-type strains (MIC > epidemiological cut off) was 18% for ceftobiprole and 64% for ceftaroline. Only 1.4% of strains was resistant to ceftobiprole, and none to ceftaroline. These results are worrisome, since show the presence of non-negligible proportions of MRSA strains with high MIC values for ceftaroline and ceftobiprole in a setting where both drugs were never used.

Fetal programming and systemic sclerosis.

OBJECTIVE: This study investigated whether birthweight is linked to an increased risk of the development of systemic sclerosis. STUDY DESIGN: This was a multicenter case-control study with perinatal data that were obtained from 332 cases with systemic sclerosis and 243 control subjects. Birthweight was treated as a dichotomous variable (<2500 g vs ≥2500 g); low birthweight was defined as a weight <2500 g; small for gestational age was defined as birthweight <10th percentile for gestational age adjusted for sex. The relationship between systemic sclerosis and both low birthweight and small for gestational age was expressed with the crude (univariate analysis) and adjusted (multivariate analysis) odds ratio (OR). RESULTS: Significantly increased ORs were observed in the univariate analysis for low birthweight (OR, 2.59; 95% confidence interval [CI], 1.39-5.05) and small for gestational age (OR, 2.60; 95% CI, 1.34-5.32) subjects. Similarly increased risks were confirmed for both conditions in the multivariate analysis (OR, 3.93; 95% CI, 1.92-8.07; and OR, 2.58; 95% CI, 1.28-5.19), respectively. CONCLUSION: Low birthweight and small for gestational age at birth are risk factors for the adult onset of systemic sclerosis.

Evidence for oesophageal and anorectal involvement in very early systemic sclerosis (VEDOSS): report from a single VEDOSS/EUSTAR centre.

BACKGROUND: The oesophagus is the first gastrointestinal (GI) tract involved in systemic sclerosis (SSc), followed by the anorectum. OBJECTIVE: Evaluation of oesophageal and anorectal involvement and their correlations in patients with very early diagnosis of SSc (VEDOSS). PATIENTS AND METHODS: 59 patients with VEDOSS, evaluated with oesophageal and anorectal manometry and investigated with lung function tests and chest HRCT. Demographic data, oesophageal and anorectal symptoms, Raynaud's phenomenon, autoantibodies, videocapillaroscopy patterns, puffy fingers and digital ulcers were recorded for all patients. RESULTS: In 4 patients oesophageal manometry and in 17 patients anorectal manometry was not performed because of scarce tolerance. Oesophageal peristalsis was absent in 14 patients; its pressure and speed were significantly lower in 41 patients (p<0.001 and p=0.005, respectively). The maximum pressure and mean pressure (Pmax and Pm) of lower oesophageal sphincter were significantly lower (p=0.012 and p=0.024, respectively). Patients with a diffusing capacity of the lung for carbon monoxide<80% presented a hypotonic lower oesophageal sphincter (p=0.008) and an abnormal peristalsis (p<0.001); patients with a diffusing capacity of the lung for carbon monoxide>80% showed only an abnormal peristalsis (<0.001). The anal resting pressure (ARP) at 4.3 cm and 2 cm from anal edge and the anal canal Pm were significantly decreased (p<0.001 and p=0.010, respectively). The maximum voluntary contraction was significantly abnormal in its Pmax and Pm (p=0.017 and p=0.005) and in its duration (p=0.001). In patients with a positive HRCT, the ARP and the canal Pmax and Pm were significantly lower; patients with negative HRCT presented only an abnormal ARP. CONCLUSIONS: In patients with VEDOSS, oesophageal and anorectal disorders are frequently detected, showing that very early SSc is characterised by GI involvement.

Lung ultrasound for the screening of interstitial lung disease in very early systemic sclerosis.

BACKGROUND: A high percentage of patients with systemic sclerosis (SSc) develop interstitial lung disease (ILD) during the course of the disease. Promising data have recently shown that lung ultrasound (LUS) is able to detect ILD by the evaluation of B-lines (previously called ultrasound lung comets), the sonographic marker of pulmonary interstitial syndrome. OBJECTIVE: To evaluate whether LUS is reliable in the screening of ILD in patients with SSc. METHODS: Fifty-eight consecutive patients with SSc (54 women, mean age 51±14 years) who underwent a high resolution CT (HRCT) scan of the chest were also evaluated by LUS for detection of B-lines. Of these, 32 patients (29 women, mean age 51±15 years) fulfilled the criteria for a diagnosis of very early SSc. RESULTS: At HRCT, ILD was detected in 88% of the SSc population and in 41% of the very early SSc population. A significant difference in the number of B-lines was found in patients with and without ILD on HRCT (57±53 vs 9±9; p<0.0001), with a concordance rate of 83%. All discordant cases were false positive at LUS, providing a sensitivity and negative predictive value of 100% in both SSc and very early SSc. CONCLUSIONS: ILD may be detected in patients with very early SSc. The presence of B-lines at LUS examination correlates with ILD at HRCT. LUS is very sensitive for detecting ILD even in patients with a diagnosis of very early SSc. The use of LUS as a screening tool for ILD may be feasible to guide further investigation with HRCT.