All news from Anaesthesiology

Electron Microscopy Reveals The Sections Of Brain

A study showed that automated tape-collecting ultramicrotomy in conjunction with scanning electron microscopy (SEM) is a powerful approach for volume electron microscopy and three-dimensional neuronal circuit analysis. Current tapes are limited by section wrinkle formation, surface scratches, and sample charging during imaging.

They examine that a plasma-hydrophilized carbon nanotube (CNT)-coated polyethylene terephthalate (PET) tape effectively resolves these issues and produces SEM images of comparable quality to those from transmission electron microscopy.

Spinal Anesthesia Causes Sudden Cardiac Arrest

Sudden cardiac arrest following spinal anesthesia is relatively uncommon and a matter of grave concern for any anesthesiologist as well as clinicians in general. There have been, however, several reports of such cases in the literature. Careful patient selection, appropriate dosing of the local anesthetic, volume loading, close monitoring, and prompt intervention at the first sign of cardiovascular instability should improve outcomes. The rarity of occurrence and clinical curiosity of this entity suggest reporting of this unusual and possibly avoidable clinical event.

Euthanasia Hurts Palliative Care

Legalizing euthanasia can stunt the palliative-care sector. The Netherlands, for example, has traditionally performed comparatively poorly in this field. Indeed, one doctor once infamously said he didn’t need palliative care when he had euthanasia.

Forced to “Choose”

Now, in Quebec, the head of the provincial medical association who supports euthanasia warns that some patients have been forced to “choose” to be killed because they couldn’t access quality palliative care. From the McLean’s story:

Spaceflight Effects On The Brain Structure Of Astronauts

Researchers worked on the effects of spaceflight on the brain structure of astronauts: microgravity does not affect intracranial contents and intracranial pressure in isolation but acts across the entire venous system. Idiopathic intracranial hypertension has similarities with the visual impairment intracranial pressure syndrome (VIIP) in space, the former occurring in overweight patients with increased abdominal and thoracic venous pressures that may limit cerebral venous outflow.