Notes

Building of the Topsy-turvy Map-Based Certification Standard protocol pertaining to TMIS.
Tracheostomy care is easier than endotracheal intubation and may have decreased viral aerosolization risk, particularly if repeat intubation is necessary after a weaning trial. Additionally, tracheostomy patients can be monitored with less staff, decreasing total healthcare worker exposure to infection. To manage risk of exposure, coordination of ventilation controlled by an anesthesiologist or a critical care physician with a surgeon during the procedure can minimize aerosolization to the team. Risk management and resource allocation is of the utmost importance in any global crisis and procedures must be appropriately planned and benefits to patients, as well as minimized exposure to healthcare providers, must be considered. Early tracheostomy could be a beneficial procedure for severe SARS-CoV-2 patients to minimize long-term virus aerosolization and exposure for healthcare workers while decreasing sedation, allowing for earlier transfer out of the ICU, and improving hospital resource utilization.
Open mesh repair is one of the most frequently performed general surgery operations worldwide. Unfortunately, the classic technique using stitches to fix the mesh is still associated with a high risk of chronic pain. We propose a new technique that uses autologous Platelet-Rich Fibrin (PRF) to fix the mesh.

PRF is prepared in theatre by centrifugation of the patient's own blood and immediately applied to fix the mesh. In this feasibility pilot study, five patients were operated upon with the PRF-mesh repair technique. Postoperative pain was evaluated with a visual analogue scale (VAS) up to 6 months after surgery. Time to recovery was also recorded for all patients. Saracatinib VAS in this small group of patients was grossly compared with that in a historical cohort of patients who underwent Lichtenstein repair; due to the small sample size, no statistical comparison was performed.

Postoperative pain remained at low levels and no patient experienced chronic pain, recurrence or any other complication within 6 months. All patients returned to their usual activities within 3 days after surgery. The VAS scores confirmed that PRF-mesh repair may be associated with less pain than the Lichtenstein technique.

PRF-mesh repair is a safe and effective option in the treatment of inguinal hernias as it couples the safety of physiologically enhanced healing with the efficacy of prompt fixation of the mesh.
PRF-mesh repair is a safe and effective option in the treatment of inguinal hernias as it couples the safety of physiologically enhanced healing with the efficacy of prompt fixation of the mesh.
The aim of this study was to compare the outcomes of monotherapy in individuals with bipolar disorder who are prescribed lithium, valproate, quetiapine, olanzapine, venlafaxine, or citalopram in private psychiatric practices in Germany.

This retrospective study included bipolar disorder patients who had initially started on a monotherapy with lithium, valproate, quetiapine, olanzapine, venlafaxine, or citalopram in 93 private neuropsychiatric practices in Germany between January 2006 and December 2017. Treatment failure was defined as time to discontinuation of medication or addition of another mood stabilizer, antipsychotic, antidepressant, or benzodiazepine.

A total of 4990 bipolar patients was examined for the period between 2006 and 2019. Initially, monotherapy with lithium (n=1.098), valproate (n=502), quetiapine (n=927), olanzapine (n=927), venlafaxine (n=574), or citalopram (n=962) was prescribed. Within 24 months, treatment failure had occurred in 76.3% (lithium), 85.1% (valproate), 84.6% (quetiapine), 85.2% (venlafaxine), 92.1% (olanzapine), and 86.6% (citalopram) of patients, respectively. The hazard ratio for treatment failure compared to lithium as reference was highest for olanzapine at 1.66 (1.46-1.88), followed by citalopram 1.27 (1.15-1.39), quetiapine 1.18 (1.07-1.29), valproate 1.18 (1.06-1.33), and venlafaxine 1.14 (1.02-1.27).

Our results underline the importance of lithium in the maintenance treatment of bipolar disorders.
Our results underline the importance of lithium in the maintenance treatment of bipolar disorders.
 Thanks to a simplified special approval process that was valid until October 1st, 2020, a large number of particle-filtering half masks have come onto the German market. When caring for SARS-CoV-2 infected patients, the RKI recommends wearing particle-filtering half masks with a filter performance of at least 94 %, which corresponds to FFP class 2 according to EN 1492001+A12009. We have examined 15 particle-filtering half masks with different specifications for their filter performance METHOD  The masks were clamped in a jig in an airtight test box. Radioactive particles with a size of 0.6 ± 0.4 µm were nebulized into the box and sucked into a filter through the port of the jig and an unfiltered reference port using an artificial lung. The activity deposited on the filter was measured by means of a gamma camera. The filter performance was calculated from this.

 Five of the 15 masks tested had a filter performance of less than 94 % and therefore do not meet the FFP2 standard. The filter performance of these masks was 71.8 ± 2.3 %, 73.2 ± 2.3 %, 78.2 ± 6.7 %, 92.2 ± 0.5 % and 85.9 ± 1.6 %.

 One third of the examined masks did not meet the recommended FFP2 standard, which is recommended for the care of SARS-CoV-2 infected patients. A comprehensive review of already approved products by the supervisory authorities is advisable.
 One third of the examined masks did not meet the recommended FFP2 standard, which is recommended for the care of SARS-CoV-2 infected patients. A comprehensive review of already approved products by the supervisory authorities is advisable.
 Digitalization in surgery makes it necessary to develop modern surgical concepts. New approaches to system networking with integration and open standardized communication of all medical devices are being pursued.

 At the University Hospital Leipzig, a demonstration of the integrated OR was carried out together with the Innovation Center for Computer Assisted Surgery (ICCAS) using the example of a cochlea implantation. The preoperative management, technical preparation, surgical procedure and postoperative documentation by a total of n = 30 study participants (2 expert groups) were evaluated. In addition to the collection of objective parameters, qualitative questionnaires and quantitative, interval-scaled questions were used.

 Preoperatively, the digital presentation of the patient's clinical data was considered as helpful by both groups (group 1 median = 5, group 2 median = 4). This also applies to the personalized OR settings, the intraoperative display options and the dynamic, surgeon-centered visualization (median = 4).
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