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Biomedical subjects

C Borchardt

Publications and source records attributed to C Borchardt.

6 recordsLinked to original sources
PubMed2000

The relationship between anxiety disorders and alcohol use disorders: a review of major perspectives and findings.

It is generally agreed that problems related to alcohol use and anxiety tend to occur within the same individual ("comorbidity"); however, the cause of this association remains controversial. Three prominent perspectives are that anxiety disorder promotes pathological alcohol use, that pathological alcohol use promotes anxiety disorder and that a third factor promotes both conditions. We review laboratory, clinical, family, and prospective studies bearing on the validity of these explanatory models. Findings converge on the conclusion that anxiety disorder and alcohol disorder can both serve to initiate the other, especially in cases of alcohol dependence versus alcohol abuse alone. Further, evidence from clinical studies suggests that anxiety disorder can contribute to the maintenance of and relapse to pathological alcohol use. Relying heavily on pharmacological and behavioral laboratory findings, we tentatively propose that short-term anxiety reduction from alcohol use, in concert with longer-term anxiety induction from chronic drinking and withdrawal, can initiate a vicious feed-forward cycle of increasing anxiety symptoms and alcohol use that results in comorbidity.

Adult↗
PubMed1998

Case study: when restraints are the least restrictive alternative for managing aggression.

This article discusses the controversial use of restraints with a persistently violent adolescent on a child and adolescent psychiatry unit. The authors present an individualized program that used a series of ambulatory restraints on a long-term basis and prophylactically to contain the aggression of a psychotic girl. Clozapine was used concomitantly to control her psychosis. The prophylactic use of mechanical restraints allowed this teenager to be integrated into the milieu and to receive multiple treatments that the standard protocol precluded. This case underscores the difficulties in managing aggression when youths do not respond to standard protocols and do not conform to our assumptions about the least restrictive alternative. It is concluded that prophylactic mechanical restraint provided the least restrictive alternative to personal freedom for this teenager and had therapeutic benefit.

Adolescent↗
PubMed1992

Lipid metabolism in Norplant-2 users--a two-year follow-up study. Total cholesterol, triglycerides, lipoproteins and apolipoproteins.

Changes in lipid metabolism in 25 healthy female volunteers during a 24-month application of Norplant-2 were evaluated in an open clinical trial. Total serum cholesterol decreased significantly (p less than 0.05/p less than 0.05) by 10%/9% after 12 months and by 3%/7% (n.s./n.s.) after 24 months of Norplant-2 use (all subjects/subjects completing 24 cycles). Serum triglycerides decreased by 34%/28% (n.s./p less than 0.05) after 12 months and by 29%/25% (p less than 0.05/p less than 0.05) after 24 months of Norplant-2 use (all subjects/subjects completing 24 cycles). HDL-cholesterol decreased significantly by 18%/12% (p less than 0.01/p less than 0.05) after 12 months and by 12%/12% (p less than 0.05/p less than 0.05) after 24 months of Norplant-2 use (all subjects/subjects completing 24 cycles). No statistically significant difference between serum levels of LDL-cholesterol prior to and after 12 and 24 months of Norplant-2 use could be found. VLDL-cholesterol levels decreased significantly by 38%/38% (p less than 0.05) after 12 and by 25%/25% after 24 months of Norplant-2 application (p less than 0.01) (all subjects/subjects completing 24 cycles). Apolipoprotein Al decreased significantly by 23%/23% (p less than 0.001/p less than 0.01) after 12 and by 21%/22% after 24 months of Norplant-2 application (p less than 0.01/p less than 0.01) (all subjects/subjects completing 24 cycles). No statistically significant difference between apolipoprotein All levels prior to and after 12 and 24 months of Norplant-2 implantation could be found. Apolipoprotein B decreased significantly by 27%/17% (p less than 0.05/p less than 0.05) after 12 months of Norplant-2 application (all subjects/subjects completing 24 cycles). The decline after 24 months of Norplant-2 use was not significant. Changes in lipid metabolism caused by oral hormonal contraceptives differ in the various clinical trials; however, most investigators found that serum levels of total cholesterol and triglycerides increase under the application of OCs. Contrary to this, a decrease of total cholesterol and triglycerides under Norplant-2 use was noted. Furthermore, we found a significant decrease of lipoproteins and apolipoproteins--with the exception of LDL-cholesterol and apolipoprotein All, which did not show any significant modifications. Thus, Norplant-2 seems to be non-contributory to cardiovascular risk and might even provide protection against such risks.

Adult↗
PubMed1991

Current dermatologic laser applications in patient care.

Laser is an acronym for Light Amplification by Stimulated Emission of Radiation. Current clinical applications of lasers are changing the practice of dermatology. Research and the changing practice significantly impact dermatologic nursing practice.

Humans↗