Lauridsenjessen4201
Although a microbiological diagnosis of pleural infection is clinically important, it is often complicated by prior antibiotic treatment and/or difficulties with culturing some bacterial species. Therefore, we aimed to identify probable causative bacteria in pleural empyema/parapneumonic effusions by combining 16S ribosomal RNA (rRNA) gene amplification and next-generation sequencing (NGS).
Pleural fluids were collected from 19 patients with infectious effusions and nine patients with non-infectious malignant effusions. We analysed DNA extracted from the pleural fluid supernatant by NGS using the Genome Search Toolkit and GenomeSync database, either directly or after PCR amplification of the 16S rRNA gene. Infectious and non-infectious effusions were distinguished by semi-quantitative PCR of the 16S rRNA gene.
Only 8 (42%) effusions were culture-positive, however, NGS of the 16S rRNA gene amplicon identified 14 anaerobes and 7 aerobes/facultative anaerobes in all patients, including
sp. (
= 6),
sp. Go 6983 inhibitor (
= 5),
sp. (
= 5), and
sp. (
= 4), accounting for >10% of the total genomes. The culture and NGS results were discordant for 3 out of 8 patients, all of whom had previously been treated with antibiotics. Total (2
value in semi-quantitative PCR of the 16S rRNA gene) and specific (total bacterial load multiplied by the proportion of primary bacteria in NGS) bacterial loads could efficiently distinguish empyema/parapneumonic effusion from non-infectious effusion.
Combining NGS with semi-quantitative PCR can facilitate the diagnosis of pleural empyema/parapneumonic effusion and its causal bacteria.
Combining NGS with semi-quantitative PCR can facilitate the diagnosis of pleural empyema/parapneumonic effusion and its causal bacteria.
"Soak and smear" method, water soaking to induce skin hydration followed by topical corticoids application suggests effectiveness in clinical dermatological practice. We investigate one possible mechanism of soaking times effect on drug partitioning and diffusion rates in skin and its proposed efficacy.
Utilizing an in vitro flow-through diffusion system to evaluate efficacy of the "soak and smear" method following 0.5, 8, and 20 min water soaking and [
C]-hydrocortisone topical application on human skin to probe the possibility of percutaneous penetration enhancement.
In water-soak groups, more [
C]-hydrocortisone was absorbed and retained in stratum corneum and epidermis, whereas, in the control (no soak) more was in the deep skin - dermis and receptor fluid. These differences between water-soak groups and the control are statistically significant (P < 0.05).
Effect of "soak and smear" on skin absorption and penetration depends on interaction of individual drug's physicochemical property, stratum corneum hydration, and stratum corneum - epidermoid barrier status. Water soaking (≤20 min) induced skin hydration increases [
C]-hydrocortisone absorption and retention into the upper skin layer but not deep layers. This could support the proposed hypothesis of clinical dermatological treatment of hydrocortisone to local skin inflammations should the epidermis be found to be a key target for atopic dermatitis therapy.
Effect of "soak and smear" on skin absorption and penetration depends on interaction of individual drug's physicochemical property, stratum corneum hydration, and stratum corneum - epidermoid barrier status. Water soaking (≤20 min) induced skin hydration increases [14C]-hydrocortisone absorption and retention into the upper skin layer but not deep layers. This could support the proposed hypothesis of clinical dermatological treatment of hydrocortisone to local skin inflammations should the epidermis be found to be a key target for atopic dermatitis therapy.
The subventricular zone (SVZ) is an important niche for neural stem cells but probably also for brain tumor propagating cells, including the glioblastoma stem cell. The SVZ may become a target for radiation therapy in glioblastoma patients. However, reports studying the effect of irradiation of the SVZ on glioblastoma patient survival show conflicting results. We studied the correlation between incidental SVZ radiation dose and survival in a cohort of
-wildtype (IDHwt) glioblastoma patients with inclusion of important survival prognosticators.
In this retrospective analysis, only adult patients with supratentorial IDHwt glioblastoma were included who were treated with temozolomide-based chemoradiotherapy after surgery. The SVZ was contoured on the radiotherapy planning imaging. Cox proportional regression overall survival (OS) analysis was used to study the correlation between SVZ dose and survival. Age, Karnofsky Performance Score, extent of resection and
gene promoter (MGMTp) methylation were used correlate with OS. Higher cSVZ dose was inversely correlated with OS in univariate survival analysis but lost its significance in multivariate analysis, including MGMTp-methylation. Hence, the correlation between SVZ radiation and glioblastoma patient survival remains unclear. Carefully designed prospective studies are needed to provide unequivocal results on this controversial topic.Objective To evaluate the effect of a Mobile Integrated Hospice Healthcare (MIHH) program including hospice education and expansion of paramedic scope of practice to use hospice medication kits. Primary outcome was the effect on hospice patient transport to the Emergency Department. Secondary outcomes included reasons for patient transport and review of MIHH kit utilization. Methods In 2015, the project was implemented in Ventura County, California in collaboration with county emergency medical services (EMS) agency, first response/transport organizations, and hospice programs. Paramedic supervisors received 30 hours of hospice training focusing on palliative care, grief and crisis counseling. When 9-1-1 was called for a patient, EMS first responders arrived on scene, determined a patient was enrolled in hospice and then contacted trained MIHH. Results Six months (2/2015-7/2015) prior to project implementation the percentage of hospice patients transported to the ED averaged 80.3% (98/122). During the first (8/2015-7/2016), second (8/2016-7/2017) and third year (8/2017-7/2018) after project implementation, the percentage of hospice patients transported to the ED was 36.