[Charles Bonnet syndrome]. / Charles-Bonnet-Syndrom.

An 80-year old previously healthy woman with recent onset of binocular macular degeneration presented for clinical psychiatric evaluation of elaborate complex visual hallucinations. In the absence of other organic or psychiatric findings the patient maintained insight into the unreal nature of her visions. As neuroleptic drugs showed no effect, low dose treatment with carbamazepin resulted in disappearance of hallucinations. The phenomenon of Charles-Bonnet-syndrome is discussed as an example of a neuro-psychiatric hallucinosis.

[Pulse oximetry for monitoring high-risk patients. Possibilities, indications, and limits]. / Monitoring von Risikopatienten mit der Pulsoxymetrie. Möglichkeiten, Indikation und Grenzen.

In our study we could discover typical images when measuring patients undergoing dental surgery by pulse oxymetry. Thereby it seems possible to estimate the operative risk and get some better information beyond clinical examination (ASA-classification). The not being well of the patient could be detected this way earlier then by clinical signs. We have to support the fact that dental treatment in local anaesthesia should be limited to 30 min. The monitoring of pulse, mean artery pressure and oxygen saturation could be made more informative by sampling dates for up to 300 sec and displaying them on a monitor. This seems to be very helpful while treating patients with higher risk in the dentist's practice.