Background The prevalence of extracorporeal cardiopulmonary resuscitation (ECPR) in patients with out-of-hospital cardiac arrest (OHCA) has been increasing rapidly worldwide. However, guidelines or clinical studies do not provide sufficient data on ECPR practice. The aim of this study was to provide real-world data on ECPR for patients with OHCA, including details of complications. Methods We did a retrospective database analysis of observational multicenter cohort study in Japan. Adult patients with OHCA of presumed cardiac etiology who received ECPR between 2013 and 2018 were included. The primary outcome was favorable neurological outcome at hospital discharge, defined as a cerebral performance category of 1 or 2. Results A total of 1644 patients with OHCA were included in this study. The patient age was 18–93 years (median: 60 years). Shockable rhythm in the initial cardiac rhythm at the scene was 69.4%. The median estimated low flow time was 55 min (interquartile range: 45–66 min). Favorable neurological outcome at hospital discharge was observed in 14.1% of patients, and the rate of survival to hospital discharge was 27.2%. The proportions of favorable neurological outcome at hospital discharge in terms of shockable rhythm, pulseless electrical activity, and asystole were 16.7%, 9.2%, and 3.9%, respectively. Complications were observed during ECPR in 32.7% of patients, and the most common complication was bleeding, with the rates of cannulation site bleeding and other types of hemorrhage at 16.4% and 8.5%, respectively. Conclusions In this large cohort, data on the ECPR of 1644 patients with OHCA show that the proportion of favorable neurological outcomes at hospital discharge was 14.1%, survival rate at hospital discharge was 27.2%, and complications were observed during ECPR in 32.7%.

A two-LC, insulator-layer liquid crystal lens (LCL) is reported. The LCL can focus light waves of arbitrary polarizations and its power changes with applied voltage. The LCL exhibits good optical property. Its use as an image formation lens of variable magnifying power is demonstrated.

Nanoimprint lithography (NIL) has recently been expected to be applied in the field of nanobiology. Substrates with a subwavelength grating pattern covered with metal layers can provide grating-coupled surface plasmon resonance (GC-SPR) under suitable condition. The GC-SPR field can selectively excite a fluorescent dye bound to the substrate and its fluorescence can be enhanced. In our earlier work, using a glass substrate with a grating fabricated by photolithography and dry etching, fluorescence images of labeled cells were taken with high sensitivity under a fluorescence microscope. However, this fabrication process requires a great deal of time. The replication of the subwavelength grating pattern on a polymer film by thermal NIL has an advantage in fabrication process economy. In this study, a grating substrate fabricated by NIL was applied to fluorescence microscopic observation based on GC-SPR and it provided more than six-times enhanced fluorescence images.

Delirium occurs in 30-40% of patients with terminal cancer, and 90% of patients are delirious immediately before death. Symptoms such as agitation and hallucination are often refractory to the standard pharmacological therapy. Also, the medication options for delirium in terminally ill patients are often limited due to a difficulty in swallowing or a lack of intravenous access. We herein report a case series of six patients with terminal cancer whose derilium symptoms were treated by asenapine sublingual tablets during the intervention period by the palliative care team. Asenapine was selected when other antipsychotics were ineffective or unavailable for agitation caused by delirium. All patients suffered dyspnea or choking sensations due to dysphagia or respiratory dysfunction. Sedative effect was observed among all patients without apparent adverse events. Sublingual asenapine could be an option for the management of restlessness due to terminal delirium when both oral and intravenous drug administration routes are not available.