Purpose: To evaluate whether MR scanners with acoustic noise reduction and a short magnetic bore reduce the rate of claustrophobic reactions. Materials and Methods:We performed a cohort study in an outpatient setting, enrolling a total of 55,734 consecutive patients referred for MRI of any part of the body based on a clinical indication. Imaging was performed using a conventional MR scanner (42,998 patients) and a recently developed MR scanner (12,736 patients) with 97% acoustic noise reduction and a short bore. Multiple logistic regression analysis was used to adjust for the nonrandomized design.Results: In addition to those undergoing head-first examinations, female and middle-aged patients were significantly more likely to develop claustrophobia in the logistic regression analysis (P Ͻ 0.001). The rate of claustrophobic reactions was significantly lower with the recent MR scanner (0.7%; 95% confidence interval [CI]: 0.6 -0.9%) than with the conventional scanner (2.1%; 95% CI, 2.0 -2.3%; P Ͻ 0.001) with an adjusted odds ratio (OR) of 3.1 (95% CI, 2.5-3.9) and a number needed to treat of 72 (95% CI, 63-85). Conclusion:The incidence of claustrophobia may be reduced by a factor of 3 when recently-developed MR scanners are used.
The effect of topical skin care products on neonatal skin barrier during first 8 weeks of life has not been scientifically evaluated. In a prospective, randomized clinical study, we compared the influence of three skin care regimens to bathing with water on skin barrier function in newborns at four anatomic sites. A total of 64 healthy, full-term neonates (32 boys and 32 girls) aged <48 hours were randomly assigned to four groups receiving twice-weekly: WG, bathing with wash gel (n = 16); C, bathing and cream (n = 16); WG + C, bathing with wash gel plus cream (n = 16); and B, bathing with water (n = 16). Transepidermal water loss, stratum corneum hydration, skin pH, sebum were measured on day 2, week 2, 4, 8 of life on front, abdomen, upper leg, and buttock. Skin condition was scored and microbiologic colonization was documented. After 8 weeks, group WG + C showed significantly lower transepidermal water loss on front, abdomen, and upper leg as well as higher stratum corneum hydration on front and abdomen compared with group B. Similarly, group C showed lower transepidermal water loss and higher stratum corneum hydration on these body regions. Group WG revealed significantly lower pH on all sites compared with group B at week 8. No differences in sebum level, microbiologic colonization and skin condition score were found. Skin care regimens did not harm physiologic neonatal skin barrier adaptation within the first 8 weeks of life. However, significant influence of skin care on barrier function was found in a regional specific fashion.
The authors compared the efficacy of three different doses (18.75, 37.5, and 75 MU per parotid gland) of botulinum toxin A (BTX-A; Dysport, Ipsen Pharma, Germany) injections vs vehicle in patients with sialorrhea (n = 32) using a single-center, prospective, double-blind, placebo-controlled dose-finding study. The primary endpoint was achieved with 75 MU BTX-A without treatment-related adverse events, suggesting BTX-A is a safe and effective treatment for patients with sialorrhea.
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