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Biomedical subjects

E Steinke

Publications and source records attributed to E Steinke.

8 recordsLinked to original sources

[Customary use of compression stockings for prevention of thrombosis in medical intensive care units in Germany].

BACKGROUND: Stockings for thrombosis prophylaxis (MTS) are generally advised for all immobilized patients by the German Societies of Surgery, Orthopedics, and Phlebology. In critical care patients, the indication is unclear and many questions are left unanswered, especially if combined with heparins for prophylaxis of thromboembolism. We evaluated the customary use of MTS in critical care patients. METHODS: A multiple choice questionnaire was sent to the nursing staff of 324 randomly selected German non-surgical ICUs. The answers of 144 units (44.4%) could be evaluated, 15 of which were special neurology, 88 special internal medicine, 41 mixed. RESULTS: Each 8th ICU principally avoids MTS, each 19th ICU principally provides all patients with MTS. Of those who use special indications, the degree of immobilisation plays an indecisive role with 50% for and 50% against MTS. In particular, coma serves as a contraindication. Effective anticoagulation excludes the need for MTS in half of the ICUs. Polyneuropathies and dysesthesias are the far most noticed arguments against MTS. CONCLUSIONS: There seems to be an uncertainty about the indication of MTS for non-surgical critical ill patients. With respect to available guidelines, a decision in principle for MTS should be made. However, in the individual patient with relative contraindications and progressively effective anticoagulation, MTS may be dispended relatively liberally.

Bandages↗

Sexual counseling following acute myocardial infarction.

Sexual counseling needs of myocardial infarction (MI) patients are frequently overlooked by nurses. This study sought to determine to what extent sexual counseling of MI patients was addressed in the acute care setting. The survey of 96 patients showed that sexual counseling was largely not addressed for this group of patients and that specific information on resuming sexual activity was not provided for most patients. Seventy-one percent of patients believed that staff should address sexuality in the hospital setting. It was found that receipt of sexual counseling significantly differed by marital status of the patient. Nurses need to take a more active role in sexual assessment and education in order to improve the quality of life of patients post-MI.

Adolescent↗

On the range of alpha-adrenergic regulation of coronary vascular resistance.

In order to obtain an estimate of the range of alpha-adrenergic resistance regulation in the coronary vascular system, the following studies were performed: in 15 anesthetized dogs the circumflex coronary artery was cannulated and perfused with above-normal constant pressure to that coronary venous oxygen tension never fell below 40 mmHg. Thus, it was possible to eliminate the influence of the metabolic factor regulating coronary resistance. Furthermore, 15 isolated isovolumetrically working guinea-pig hearts were perfused according to the Langendorff method. Stimulation, resp. blockade, of alpha-receptors was achieved by administering xylometazoline, resp. phentolamine. Xylometazoline increased coronary resistance in both the isolated and the in-situ heart. Administering maximum doses to the anesthetized dog led to an increase in resistance to about 200%. This is equivalent to a reduction of conductance to about 50%. Phentolamine produced no significant effects in the isolated heart. Maximum dosage administered to the heart in situ led to a resistance decrease to about 60%, equivalent to an elevation of conductance to about 170%. If we let control values of coronary resistance and conductance be equal to 100%, our experiments showed alpha-adrenergic regulation of coronary resistance to range from about 60% to 200% and conductance to range from about 50% to 170%.

Adrenergic alpha-Agonists↗