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PubMed1990

Comparison of acceptability by general practitioners of word processor and conventional discharge letters.

The potential use of word processor discharge letters in a district general hospital was investigated. A structured word processor type of letter was evaluated and compared with three conventional letters of varying length and detail by means of a questionnaire sent to 104 general practitioners (GPs) and trainees. The structured letter proved both generally popular and acceptable. The use of this letter format would reduce delays in communication between hospital and family doctor after patient discharge.

Attitude of Health Personnel↗
PubMed1990

Model of redox regulation of hyper- or hypothyreoidism.

Since the triiodothyronine (T3) shifts the tissue metabolism to oxidative direction, one should await that in hyperthyreoidism caused by T3 an oxidosis will be formed, whilst in hypothyreoidism called forth by subtotal thyreoidectomy, redosis will be emerged. However, according to our experiments these interrelationships proved to be inverse. These "paradoxal" changes of redox-state are the consequences of the flowing redox compensations elicited by the tissue redox-buffer capacity (RBC). The pathomechanism can be modelled with differential equation (computer analysis). The redox-state changes are characteristics in each tissues. Between the RBC of the tissue and the shift of redox-state potential (E'0) there is a negative correlation. As an autoregulatory mechanims, the redosis formed in hyperthyreoidism will increase the hormone synthesis in the thyroid gland, while the oxidosis after hypothyreoidism will decrease the synthesis. In other words, these processes strengthen each other. Changes of the heart frequency show correlation with the E'0, and can be described by differential equation. Our theoretical model for the redox regulation might answer also the question of the reversibility-irreversibility range of the autoregulation in the pathomechanism.

Animals↗
PubMed1990

Calculating percent identity between protein or DNA sequences with a word processor.

Two macros, to calculate percentage identity between protein or DNA sequences using the Microsoft Word word processor, are described. The user prepares an alignment file of multiple sequences which is used by the macros to calculate number of matches, number of mismatches, total number of compared positions, and the percent identity. The macros are especially useful when alignment of multiple sequences is possible only by eye.

Algorithms↗
PubMed1989

Microcomputer voice-recognition program in a hospital emergency department.

A software program for voice-controlled text creation was used on a microcomputer in the emergency medical department of a large hospital. It was found that automated speech recognition (ASR) permitted doctors to produce their reports faster and more accurately than handwriting or dictation to tape. In addition, ASR reporting is cheaper than dictation to tape. Other advantages include the automatic creation of computer-stored patient files that can be used for statistical purposes. There were a few minor drawbacks, including the need for a procedure for training the system to recognize the user's voice.

Chicago↗
PubMed1989

"Medically unnecessary" letters create frustrating puzzles.

Medicare's "medically unnecessary" letters are frustrating puzzles to the many Texas physicians who receive them. While the letters question the medical necessity of care, they provide physicians with no basis for understanding and responding to that allegation. Medicare uses computerized screens to review claims, and it is those screens that are primarily responsible for the generation of "medically unnecessary" letters. The accompanying list of Medicare review screens provides a general clarification of what Medicare is looking for in the review process. The word "general" is an important qualification: there is no guarantee that a physician will be able to identify from the list the particular screen that has caused Medicare to request more information about a particular claim. But the list will help the practitioner in understanding what Medicare sees as the boundaries of customary medical practice and, in some instances, will help the physician respond to Medicare's request for additional information. With that broad introduction Texas Medicine presents the following guide to Medicare's claims screening criteria. It was prepared by the Texas Medical Association's Division of Medical Economics based on materials published by Medicare.

Health Services↗
PubMedDate not supplied

[Synthetic speech and its perception in complex acoustic conditions].

Perception of synthetic speech in noise conditions has certain specific features which largely determine noise resistance of synthetic verbal communication. On the one hand, noise resistance of synthetic speech is lower than that of natural speech. This has been demonstrated by the study of the masking effect of 90 and 100 dB noise on natural and synthetic speech. On the other hand, there are methods of speech synthesis that seem very promising. Phonetic analysis of natural and synthetic syllables has shown that noise resistance of synthetic syllables is higher than that of natural syllables but perception of blended speech displays an inverse correlation. This demonstrates the fact that perception of verbal signals under noise conditions is based on the sensory relations that differ from those simulated by synthetic communication.

Aerospace Medicine↗
PubMed1986

The human element in the design of computer-assisted orthopedic inpatient medical record systems.

It is possible to vastly improve the quality of the "final product" of medical record processing by use of word and data base processing systems without traditional programming and expensive mainframe computers. Human engineering features need to be addressed first, since these form the basis of the system for obtaining quality data. Successful operations of the system is dependent upon a close working relationship between the staff of the medical record department and the medical staff.

Forms and Records Control↗
PubMed1984

[The effect of script frequency on semantic processing of Kanji and Kana words].

To examine the effect of script type and/or script frequency on the semantic access to words, 34 undergraduates were required to category decision for each word presented tachistoscopically. Three classes of words were used as stimuli; Kana words with low Kana script frequency (Kana-Low), Kana words with high Kana script frequency (Kana-High), and Kanji words with high Kanji script frequency (Kanji). Mean decision latency for Kana-High was shorter than that for Kana-Low, while there was no difference of latency between Kana-High and Kanji. These results show that the speed of semantic access depends on script frequency rather than script type.

Adult↗
PubMed1983

[Age-related characteristics of the prostaglandin system in certain organs].

The biosynthesis of PGE2, PGF2, PGI2 alpha from 14C-arachidonic acid and the catabolism of 3H--PGF1 alpha and 3H--PGE2 were studied in kidney, aorta and lung homogenates of young (1.5 months) and adult (3.5 months) Wistar rats. An increased synthesis of PGE2 was found in aorta and kidneys and PGI2 in lungs and heart of young rats. PGE2 alpha synthesis in kidneys and aorta underwent no alteration with age. The 3H--PGE2 catabolism in lungs and kidneys was more intensive in young rats whereas the 3H--PGF1 alpha degradation did not differ in various age groups but somewhat decreased with age in lungs. Close correlation was found between the biosynthetic coefficients PGF/PPE in kidneys and the AP level in young rats. A reciprocal interrelationship was found between the biosynthetic and the catabolic coefficients PGF/PGE in kidney, aorta and lungs of young and adult rats. This results in a balance of synthesis and catabolism of prostaglandins in kidney and lungs which prevents release of great quantities of prostaglandins from the sites of their synthesis into the systemic circulation. In other words, the processes of biosynthesis and catabolism of prostaglandins in the organism maintain a constant level of these biologically active substances in the systemic circulation.

Aging↗