[Economics of operating room use at a university eye hospital].

Background: In ophthalmologic surgery, there are usually short operation times and thus many changes between the individual operations, which are not subject to remuneration. As in maximum care hospitals consecutive different operations with different durations are often performed, emergency operations have to be inserted and further training of colleagues is practiced, it is particularly important to generate the shortest possible transfer times in order to have both sufficient operation time and to be able to treat as many cases as possible. The aim of this work is to evaluate the efficiency of the surgical performance of a university eye hospital.

[Cost unit accounting of strabismus surgery at a university eye hospital].

Background: Strabismus surgery is frequently carried out in university centers. The aim of this work was to calculate the costs of strabismus surgery at a university hospital and to assess the remuneration of costs for outpatient procedures.

Material And Methods: Of all strabismus surgeries at the Hanover Medical School in the years 2018 and 2019, relevant surgical data, such as patient age, number of muscles operated on, incision to suture time, attendance time of the surgeons and anesthetists as well as the nursing staff, were evaluated based on the clinics own information system.

[Anaesthesia in patients after transplantation].

More than 17000 patients currently live in Germany who have had organ transplants. The implications of this for the anaesthetists are that they are very likely to be confronted by such a patient at some point during their active career. Besides the preoperative assessment which includes that of the function of the transplanted organ, appropriate immunosuppression poses a particular challenge.

A tube in the pharynx for emergency ventilation.

Background: If the endotracheal placement of a nasal advanced tube fails, ventilation via this tube could bridge the time until a fibreoptic bronchoscope is available. This study investigates the efficiency of ventilation via a tube resting with its tip in the pharynx near the glottis.

Methods: In 20 patients respiratory data during ventilation via a pharyngeally placed tube were recorded by means of pulse oximetry, capnometry and side-stream spirometry.

The use of high dose aprotinin in liver transplantation: the influence on fibrinolysis and blood loss.

Orthotopic liver transplantation (OLT) is frequently associated with systemic fibrinogenolysis and diffuse bleeding. At present antifibrinolytic treatment has not been initiated routinely in OLT. Therefore the influence of high dose aprotinin in OLT (2 million kallikrein inactivator units (KIU) given after induction of anesthesia followed by a 500,000 KIU/h infusion throughout the operation) on intraoperative blood loss and fibrinolysis was studied in 25 patients compared to 25 patients without aprotinin.