Background: Internal quality control of medical performance in the int
erest of patient safety is not a new idea. In fact it has been impleme
nted in varying degrees since the beginnings of medicine. Actual Situa
tion and Methods: Ever since hospitals are compelled by law to apply m
ethods of quality assurance and external quality control, the question
arises as to whether this law can achieve a concrete increase in qual
ity of patient care or whether this law can achieve a concrete increas
es in quality of patient care or whether it rather serves to support e
conomically motivated goals of health care policies, in the sense of a
n increase in efficiency of performance by physicians. Seen in the lig
ht of the overall situation of hospital care, the attempt to create ma
ndatory quality standards is problematical. A reduction of hospital be
ds and a decrease in the average length of hospital stay contrasts the
growing number of treated patients. This presents a problem which muc
h be compensated for, despite cutbacks in budget and personell. Method
s of quality analysis are of the implicite as well as of the explicite
type. Implicite methods are based on retrospective data analysis lack
ing previously set standards of comparison. These methods harbor the d
anger of viewer-dependent subjectivity (restricted reliability). Expli
cite methods are based upon comparison to previously defined standards
. These methods are more objective, but often fail to give considerati
on to individual situations (restricted validity). The infrastructure
necessary in order to sensibly apply quality control in the hospitals
is not yet present in Germany. The software required in order to recor
d and analyse data is still in a stage of development in many places.
Conclusion: It is of importance not to leave external quality control
to politicians and economists unfamiliar with the subject matter, but
rather that quality control is implemented by experts in the medical f
ield.