Vasectomy, a minor surgical contraceptive operation for men, is an increasingly popular birth control method chosen by those who plan no (or no more) children. While most of the substantial literature on the subject contains very favorable retrospective reports by vasectomized men and their wives, questions continue to be raised by some investigators about possibly adverse psychological effects both for the vasectomized man and his spouse. Unfortunately, because of methodological defects in the research in this area, there is very little definitive evidence on the psychological impact of vasectomy. We identify the flaws in most published research on the topic and suggest ethically acceptable rigorous research designs that will yield more definitive information about the psychological consequences of vasectomy. It is important to know whether vasectomy constitutes a psychological risk; it is equally important to discover whether vasectomy has the anxiety-reducing and health-promoting effects most vasectomized men report.

Until recently the costs of patients in German hospitals have mainly been calculated according to the length of hospital stay. However, in December 1999, a dramatic change was announced in the social laws in the "Gesundheitsreform 2000." Beginning in 2003 a prospective payment system based on the classification of the "Australian Refined DRGs (AR-DRG)" will be introduced. DRGs are already used in quite a lot of industrialized countries and basically are "per case" payment systems that group patients with homogeneous average costs based on the diagnoses and procedures performed in the hospital. When preparing for this new system, the clinician has a lot of additional tasks. Besides correctly documenting all clinical findings with the ICD-10 Diagnoses and the German OPS301 procedure codes, a knowledge of the economical impact of the clinical decision is absolutely crucial. The most important task is the optimizing of all clinical treatment processes (e.g. by the introduction of clinical pathways), because only hospitals that can do highly efficient treatment will be able to survive in the upcoming competitive situation. In the Krankenhaus München--Schwabing DRGs have been used as a benchmarking tool since 1997. Based on valuable experience, many direct measures to optimize efficiency have been taken. Especially in patients with multiple trauma, it became evident that the use of efficient and standardized treatment can bring economic gain without loss of quality.

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The effects of vasectomy on psychosocial adjustment assessed by interviews, and on physical health assessed by physicians and other medical personnel, were examined by comparing 33 vasectomized men with a matched group of 33 non-vasectomized men in a pre-paid health plan. Consistent with favorable self-reports in earlier studies, the vasectomized men experienced no greater marital, job, or general living stress than the non-vasectomized men. In fact the psychosocial adjustment of the vasectomized men appeared superior to that of the non-vasectomized men, perhaps because of reduced anxiety about unwanted pregnancy. The hypothesis advanced by some investigators that vasectomized men exaggerate their masculinity in an overcompensating maneuver to reduce a perceived threat to their masculinity was not supported; instead, men volunteering for vasectomy exhibited as many masculine traits prior to the operation as after it. There was no evidence that vasectomy led to either impairment or enhancement of medical health.

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