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At least 1,405 records · Page 78Linked to original sources
PubMed1993

Enhancing case management through computerized patient files.

The need for developing an organizational system for managing a large patient specialty population prompted the use of a computerized data entry and retrieval system. The use of a computerized system has facilitated patient case management, chart organization, and development of accessible data for research. Patient data fields (topic headings) are used for: (1) storing specific categories of patient data, (2) compiling lists for management and research, and (3) referring physician and patient/family contact information. Various lists can be compiled from the field data base in order to develop research and patient management lists. Patient management lists are used to track a patient's progress, provide quality assurance of care, and contribute researchable data. Also, patient information can be transferred automatically from the computerized daily management system into a computerized form letter. Individualized patient letters may be generated. Laboratory and test information from the last clinic or hospital visit can be mailed to families along with a handwritten personalized interpretation of their results by the CNS or physician.

Humans↗
PubMed1993

Modeling of analog film-file radiographic retrievals. A Markov chain.

RATIONALE AND OBJECTIVES: Existing retrieval models for radiology film libraries have not incorporated the influence of previous retrievals. A Markov chain model for the retrieval rates from an analog film library is proposed as a means of considering this effect. METHODS: A Markov chain model was developed for the retrieval rates of an analog film library. The Markov chain model required identification of the states of the Markov chain, the required one-step transition probabilities between states, and the initial state probabilities. RESULTS AND CONCLUSIONS: The results from the Markov chain model compared favorably with the 30-day measurements (25,775 retrievals), but a large enough sample to determine a statistical confidence level was not considered.

Academic Medical Centers↗
PubMed2003

Scanning electron microscope observations of new and used nickel-titanium rotary files.

The appearances of the tip sections of ProFile 0.04 taper and Lightspeed 25-mm long, ISO size 25, nickel-titanium rotary instruments were compared with a scanning electron microscope in the as-received condition and after one, three, and six simulated clinical uses to prepare mesial canals of extracted mandibular molars. For the used ProFile instruments, there was some flattening of the characteristic material rollover and minor apparent wear at the edges of the flutes, but there was little change in the tip regions of the used Lightspeed instruments. Deposits on the surfaces of the instruments were attributed to the manufacturing processes and the in vitro preparation of root canals in the extracted teeth. The simulated clinical use did not cause substantial changes in the regions of these two brands of rotary instruments that are involved in the clinical preparation of root canals.

Corrosion↗
PubMed2004

In vitro study of the torsional properties of new and used ProFile nickel titanium rotary files.

The purpose of this study was to investigate torque and angle of rotation at fracture of new and used.06 ProFile instruments. ProFile sizes 15 to 40 were tested according to American National Standards Institute/American Dental Association Specification #28. Thirty new and used instruments were tested for each size. An analysis of variance was used to compare the torque and angle of rotation at fracture between new and used instruments. The relationship between torque at fracture and size of instrument was determined with a regression analysis. The used instruments had significantly lower torque and angle of rotation at fracture values compared with the new instruments (p < 0.0001). A stronger relationship was found between the size of the instrument and the torque at fracture for the new instruments (p < 0.0001) than for the used ones (p < 0.0001). In conclusion, the repeated use of.06 ProFile instruments significantly reduced the torque and angle of rotation at fracture.

Analysis of Variance↗
PubMed1998

The effect of managed care on surgical rates among individuals filing for workers' compensation.

This work evaluates the imposition of managed care techniques on the rate of claims and surgeries utilizing a pre- versus post-program analysis. The purpose was to ascertain whether managed care techniques--specifically, an ergonomic program, medical treatment guide-line, nurse case management, and utilization of a preferred provider organization consisting of academic physicians--would reduce the rate of the claims and surgery in a population of predominantly health care and university workers. The claims frequency rate and surgical frequency rates per 1,000 employees and per 1,000 claims was significantly lower during the managed care period than during the year prior to the initiation of managed care. The distribution of surgical procedures, as well as the duration of disability in the years of injury, after the initiation of managed care (1993-1997) were different from those same parameters in the fiscal years prior to the initiation of managed care (1990-1992). The results suggest that even in the workers' compensation environment, where financial incentives encourage a higher claims and surgical frequency rate than do the fee-for-service or prepaid medical environments, managed care techniques can be successfully utilized. A unique feature of the study was the use of university-based physicians as a specific managed care technique to influence surgical rates.

Baltimore↗