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Results for “Method Acceptability”

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At least 109 records · Page 6Linked to original sources
PubMed1991

The Periotest method for determining implant success.

The purpose of this paper is to show that the currently accepted methods for the determination of implant stability are unpredictable. It describes those techniques that are currently utilized for the assessment of implant success and discusses the problems they present. The paper will propose the Periotest method as a reliable and reproducible alternative to the methods currently available to the clinician for determining implant stability.

Dental Implants↗
PubMed2026

Diagnostic communication in functional neurological disorder: A systematic review and meta-analysis of patient acceptance and clinical outcomes.

OBJECTIVES: Diagnostic disclosure is a key therapeutic moment in Functional Neurological Disorder (FND). This systematic review aimed to evaluate quantitative evidence on diagnostic acceptance, understanding, satisfaction, symptom outcomes, and healthcare utilisation following diagnostic disclosure in FND, and to conduct a meta-analysis of diagnostic acceptance. METHODS: Systematic searches of PubMed, Scopus, PsycINFO, and Web of Science identified quantitative studies in adults with FND. Screening followed predefined inclusion criteria. Data were extracted using a structured template and risk of bias was assessed using the Newcastle-Ottawa Scale. A random-effects meta-analysis of proportions was conducted using the Freeman-Tukey transformation. RESULTS: Fifteen studies were included, four of which contributed to the meta-analysis (n = 481). Reported diagnostic acceptance rates ranged from 38.7% to 90%, although the timing and method of assessment varied across studies. Pooled acceptance was 0.68 (95% CI 0.44-0.88), with substantial heterogeneity. Structured or reinforced communication was frequently associated with improved understanding and satisfaction, although its superiority for diagnostic acceptance was not established. In some studies, diagnostic acceptance was associated with more favourable clinical outcomes, although findings were inconsistent. Some studies reported reductions in healthcare utilisation or costs following satisfactory diagnostic explanation, whereas others found no sustained overall reduction. CONCLUSIONS: Diagnostic communication in FND is associated with differences in acceptance, understanding, and downstream clinical and healthcare outcomes. Approximately two-thirds of patients were reported as accepting the diagnosis following disclosure, although the timing and method of assessment varied substantially across studies. Empathic and evidence-informed communication may enhance understanding and engagement, although its effects on healthcare use and recovery remain uncertain. PRACTICE IMPLICATIONS: Diagnostic disclosure should be delivered clearly, empathically, and with reinforcement over time. Written information, reputable educational resources, and opportunities for follow-up clarification may support patient understanding and engagement, although stronger comparative evidence is needed.

Humans↗
PubMed1998

[Evaluation of intrauterine insemination after two different methods of sperm preparation in cases of oligospermia in stimulated cycles].

Intrauterine insemination (IUI) is a widely accepted method of infertility treatment in case of oligospermia. Sperm requires special preparation to avoid applying of active ingredients and abnormal cells to uterine cavity. In this paper authors compared the efficiency of IUI after swim-up sperm preparation on Menezo B2 medium, with IxaPrep technic sperm preparation. In our material there were no significant differences in received results in relation to sperm preparation method.

Clomiphene↗
PubMed1997

The effect of chlorhexidine/xylitol chewing-gum on cariogenic salivary microflora: a clinical trial in elderly patients.

The effects of 14-day use of either a chlorhexidine/xylitol or a xylitol chewing gum on salivary levels of mutans streptococci, lactobacilli, and yeasts were determined for 53 subjects (mean age 79.49 +/- 7.7 years) participating in this randomised, double-blind, placebo-controlled trial. Salivary flow rates and enamel staining were measured and the attitudes of the subjects to gum chewing were evaluated by the use of structured questionnaires. The chlorhexidine/xylitol gum significantly reduced the salivary levels of mutans streptococci (p < 0.0001) lactobacilli (p < 0.05) and yeasts (p < 0.05) while the xylitol placebo gum produced significant reductions in mutans streptococci (p < 0.01) only. The study population found chewing gum twice per day for 10 min an acceptable method of receiving medication and improving oral health. Prior to gum use participants recognised persistent symptoms of dry mouth and their subjective evaluation of dry mouth was significantly (p < 0.001) related to the number of prescribed medications with xerostomic side-effects. The desire to continue gum use was significantly related to the subjects' evaluation of their oral dryness at baseline and to their perceived oral health gain from gum usage. Only those participants with stained enamel at baseline exhibited increased enamel staining following chlorhexidine/xylitol gum usage.

Aged↗
PubMedDate not supplied

Making cancer prevention effective for African-Americans.

In order to reduce the racial disparities in cancer death rates, prevention programs designed for minorities must concentrate on the cancer sites and intervention methods which offer the greatest promise for closing the mortality gap. Generally accepted methods to achieve these results were recently published by the U.S. Preventive Services Task Force. Effective intervention recommendations will be increased when researchers understand the cultural differences of minorities, communicate clearly, collaborate with other programs, and treat the program participants with respect.

Adult↗
PubMed1988

Nurses' attitudes toward conventional and automated vital signs measurement methods.

The acceptance and assimilation of new medical technologies into the health-care arena is a complex process involving financial, humanistic, and clinical considerations. This experimental research compared nurses' attitudes regarding the clinical acceptability of conventional methods of measuring vital signs with their attitudes toward a new, automated method, using the IVAC Model 4000 Vital-Check. Two studies were conducted, at different university-affiliated hospitals, involving different nursing-care-delivery models. The 102 nurses who participated in the studies generally favored the automated method with respect to provider convenience, patient acceptance, and the opportunity to simultaneously perform other nursing assessments. Conventional techniques were preferred for patients on isolation precautions and in some very specific clinical situations such as those requiring detection of abnormalities in the heart rhythm. Interviews of patients were also conducted at both sites and their comments supplemented and supported the quantitative findings for the nurses. Patients seemed to adapt very well to the new technology. They were particularly interested in being better able to monitor their own measurements with the automated process.

Attitude of Health Personnel↗
PubMedDate not supplied

[Improved methods of controlling the purity and activity of inactivated influenza vaccines].

Rooster monospecific sera to influenza virus hemagglutinin free from antibodies to the host (chick embryo) admixture components were prepared and satisfactorily used in radial immunodiffusion test for control of the levels of hemagglutinin in influenza vaccines. The indirect hemagglutination test with erythrocytic antibody diagnosticum has been proposed for the detection of low ovalbumin concentrations. The sensitivity of this method is less than 0.003 micrograms/ml ovalbumin which significantly surpasses other currently accepted methods for control of this component in inactivated influenza vaccines. Immunochemical methods established the presence in influenza vaccines of other "nonovalbumin" multicomponent admixtures. Their sensitizing activity was characterized and found to be 4-5 times weaker than that of ovalbumin.

Allantois↗
PubMed1980

Conductometric titration of hydrochloric acid in gastric juice.

We describe a procedure for the determination of hydrochloric acid concentration in gastric juice by means of a conductometric titration of the 50-fold diluted sample with an aqueous ammonia solution. The conductometric method of endpoint indication leads to a definite location of the equivalence point in the titration of hydrochloric acid. The proposed method is simple and accurate and shows a good correlation with an accepted method for the measurement of gastric acidity.

Gastric Juice↗
PubMed1977

The calibration of automated instruments for accuracy in hemoglobinometry.

The surveys of the College of American Pathologists indicate a consistent bias between the manual "reference" method for hemoglobin determinations and the Coulter S measurements. The Coulter S hemoglobin values are invariably lower; the difference averages 0.3 g/dl. The commonly used calibration methods for the Coulter appear to be subobtimal. The hemoglobin calibration and quality assurance method proposed by Bull and colleagues is advocated as the presently most acceptable method. Commercial hemoglobin control materials should not be used for hemoglobin calibration.

Automation↗
PubMed1988

A new method of measuring the cross-sectional area of connective tissue structures.

There appears to be no generally accepted method of measuring in-situ the cross-sectional area of connective tissues, particularly small ones, before mechanical testing. An instrument has therefore been devised to measure the cross-sectional area of one such tissue, the rabbit medial collateral ligament, directly and nondestructively. However, the methodology is general and could be applied to other tissues with appropriate changes in detail. The concept employed in the instrument is to measure the thickness of the tissue as a function of position along the width of the tissue. The plot obtained of thickness versus width position is integrated to provide the cross-sectional area. This area is accurate to within 5 percent, depending mainly on alignment of the instrument and pre-load of the ligament. Results on the mid-substance of the rabbit medial collateral ligaments are repeatable and reproducible. Values of maximum width and thickness are less variable than those obtained with a vernier caliper. The measured area is considerably less than that estimated assuming rectangular cross-section and slightly less than that estimated on the assumption of elliptical cross-section.

Animals↗
PubMed1990

Acceptability of abortion methods.

This chapter has reported the findings of acceptability of prostaglandin pessaries compared with vacuum aspiration as methods for inducing abortion in a very early stage of pregnancy. Acceptability has been defined by the WHO as the degree with which a treatment method has attributes that make it perceived by a user or potential user to be consonant with his or her own sense of well-being and therefore will be used or preferred. The acceptability of the medical and surgical procedures for inducing abortion was studied in Swedish abortion patients using a pre- and post-abortion design for obtaining observations. Methods used included interview schedules, questionnaires, rating scales and attitude measuring techniques. Patients consenting to take part in the acceptability study had agreed to be randomly assigned to prostaglandin treatment, given at the clinic or self-administered by the patient at home, or to vacuum aspiration. A high degree of acceptability for the prostaglandin treatment was obtained in this group of patients who had applied for an abortion very soon after one missed menstrual period. This was indicated from the finding that the very high preference for this procedure remained unchanged in the group randomly assigned to it. Other measures of attitudes to prostaglandin treatment also indicated the unchanged positive attitude. There was a significant change in the attitude to vacuum aspiration among those assigned to this treatment, indicating that post-abortion it was more acceptable to these patients. However, 30% of them would still prefer the prostaglandin treatment, especially self-administered, in the event of another abortion. There were consistent and significant relationships found between the degree of negative emotional arousal before and after abortion and preference for the medical or surgical procedure and also the amount of complaints after abortion. Those patients who pre-abortion had preferred the self-administered procedure were, regardless of which treatment they had been assigned to, those who were least emotionally upset both before and after the treatment and also complained the least. This chapter also reported on findings of how acceptable the medical and surgical procedures can be inferred to be from comparisons of preferences and attitude measures obtained from abortion patients before treatment and from women in the same age group (who would not exclude an abortion if pregnant) in samples from outside the clinical setting. In the non-patient groups about half the subjects would prefer the medical alternative.(ABSTRACT TRUNCATED AT 400 WORDS)

Abortion, Induced↗
PubMed1998

Errors in quantitative backscattered electron analysis of bone standardized by energy-dispersive x-ray spectrometry.

Backscattered electron (BSE) imaging has proven to be a useful method for analyzing the mineral distribution in microscopic regions of bone. However, an accepted method of standardization has not been developed, limiting the utility of BSE imaging for truly quantitative analysis. Previous work has suggested that BSE images can be standardized by energy-dispersive x-ray spectrometry (EDX). Unfortunately, EDX-standardized BSE images tend to underestimate the mineral content of bone when compared with traditional ash measurements. The goal of this study is to investigate the nature of the deficit between EDX-standardized BSE images and ash measurements. A series of analytical standards, ashed bone specimens, and unembedded bone specimens were investigated to determine the source of the deficit previously reported. The primary source of error was found to be inaccurate ZAF corrections to account for the organic phase of the bone matrix. Conductive coatings, methylmethacrylate embedding media, and minor elemental constituents in bone mineral introduced negligible errors. It is suggested that the errors would remain constant and an empirical correction could be used to account for the deficit. However, extensive preliminary testing of the analysis equipment is essential.

Animals↗
PubMed1994

Acquisition and use of calorimetric data for prediction of the thermodynamics of ligand-binding and folding reactions of proteins.

The commercialization of high-precision microcalorimeters has led to a sharp increase in the acquisition and utilization of calorimetric data on the binding and folding reactions of proteins. This thermodynamic database, together with high-resolution structures of proteins and their complexes with ligands, has facilitated the development, calibration, refinement and testing of empirically based and computational methods for predicting the thermodynamics of processes involving macromolecules. Even so, a generally accepted method for assigning structural parameters to the various energetic contributions of protein folding and ligand-binding reactions, much less a method for predicting the changes in thermodynamic parameters of these reactions, has not yet been firmly established.

Calorimetry↗
PubMed1998

Efficacy of sterilisation methods and their effect on enamel demineralisation.

The aim of this project was to determine the effectiveness of sterilisation methods for dental enamel for use in intra-oral cariogenicity tests, and their possible effect on the degree of demineralisation of enamel. Bovine incisors were cut vertically into five portions and each assigned to one of five groups. Group 1 was used as a control while the other four groups were subjected, respectively, to gamma irradiation ( congruent with 25kGy), steam autoclaving (121 degrees C for 15 min), sodium hypochlorite (12% w/v for 24h) and povidone-iodine (7.5% w/v for 24h). Total viable counts of microorganisms remaining following sterilisation of the specimens were performed following incubation of the specimens for 24h at 37 degrees C. Caries-like lesions were produced in each specimen using an acidic buffer solution (pH4.5). Sections were cut from each specimen, ground to 80-microgram thickness, and microradiographed. Mineral loss and lesion depth were quantified using transverse microradiography. Statistical analysis was by ANOVA. Dunnett's and Tukey's tests. Microbial growth (Staphylococcus aureus and bacilli) was observed only in control specimens in both brain heart infusion broth and on blood agar plates. The sterilisation methods affected the enamel surface as follows: gamma irradiation (cream discolouration), NaOCl (bleaching), and povidone-iodine (white spot-like lesion). Compared with the control, there was no significant difference in mineral loss and lesion depth with any of the groups, but the numerical values of mineral loss and lesion depth in groups can be ranked as follows: gamma irradiation <povidone-iodine <control <autoclave <NaOCl. In conclusion, the four sterilisation methods were all effective to sterilise enamel, but gamma irradiation proved the most acceptable method for enamel to be used in cariogenicity tests having the least adverse effect.

Acids↗
PubMedDate not supplied

Treatment of laryngeal stenosis. A conservative new approach.

One of the most perplexing problems in laryngology is the treatment of laryngeal scar tissue. This can be supraglottic, glottic, or infraglottic. Two acceptable methods of treatment have been surgical and endoscopic. Endoscopic treatment consists of dilatation, excision of scar tissue with a laser, removal of scar tissue with insertion of a stent, and removal and scar tissue with injection of intralesional cortisone. Twelve cases are reported, treated with microscopic removal of scar tissue followed by voice rest and beclomethasone dipropionate (Vanceril) inhalations, a topical steroid. All twelve cases showed marked improvement measured by improved glottic opening and improvement of voice quality. Further evaluation of this method of treatment should be done as an auxiliary treatment to our present accepted regime of treatments in this troublesome condition.

Adult↗
PubMedDate not supplied

[Determination of the degree of severity of cerebral contusions].

Three degrees of severity of the brain contusion are generally distinguished today for working out the most rational and purposeful treatment. It is quite difficult to judge the severity of the contusion from the neurological picture alone because neurological manifestations of the brain contusions are very diverse and dynamic in character. The authors analysed 630 case records of patients with contusion of the brain and disclosed signs most characteristic of each degree of contusion. In appraising the severity of the contusion, the authors recommend resorting to the laboratory and instrumental diagnostic methods accepted currently in neurosurgical practice in addition to the neurological examination. The complex method of appraising the patients' condition makes the determination of the degree of severity of the brain contusion more trustworthy and objective.

Brain Concussion↗
PubMed1996

Consensus minimum standards for use in a trainer's report for summative assessment in general practice.

BACKGROUND: Summative assessment of general practitioner registrars is to be introduced in September 1996, one component of which will be a report by the trainer. Standards must be set and guidance provided as to the most appropriate ways of obtaining evidence for the trainer's assessment. AIM: The first aim of this study was to set consensus minimum standards for 30 items that are likely to form the content of a trainer's report; the second aim was to provide a consensus view on the most appropriate methods of assessment to be used by trainers. METHOD: A consensus conference was held in March 1995 during which the 30 items were discussed by a group of 30 general practitioners, of whom 27 were experienced trainers. This resulted in a draft document that was circulated to the conference attenders and other experts for consultation. RESULTS: Draft minimum standards were produced for all 30 items after the consensus conference with a mean of 2.5 standards for each item. Of those involved in the consultation exercise, 82% replied. Most of the revisions suggested at this stage were of a minor nature; the only major revision was to divide one item into two, resulting in a final total of 31 items. All but one of the 80 standards could be assessed by direct observation; 41 (51%) could be assessed by tutorial-based discussion and 61 (76%) by methods specific to that standard. Trainers or their practice partners were viewed as acceptable sources of evidence for all items and hospital consultants and primary health care team members were viewed as acceptable for just over half of the items. CONCLUSION: Standards for use by trainers when providing a general practitioner report for the summative assessment of registrars have been developed by consensus conference and have been subjected to review by consultation. Acceptable methods by which registrars could be assessed against these standards, and suitable personnel who could provide evidence, have also been suggested.

Education, Medical, Graduate↗
PubMed1994

Improved method for analysis of whole bone torsion tests.

Structural tests, such as whole bone torsion tests, have become widely accepted methods for assessing average bone material properties. To simplify interpretation of these tests, the nonuniform bone geometry is often analyzed as a tube with a constant cross section (prismatic) and the areal properties of the smallest bone section. This approach may not adequately represent the true torsional behavior of the cross section and does not account for any lengthwise variations in bone geometry. The errors introduced by these approximations are particularly significant when comparing bones of different sizes and geometries. In this paper, we examine the effects of approximating the cross-sectional torsional behavior and of neglecting lengthwise variations in bone geometry. We then present a simple, standardized procedure utilizing a FORTRAN computer program for accurate determination of material properties. We examine first simple idealized bone geometries and then a complex three-dimensional model of the femur from a 26-day-old male Sprague-Dawley rat. For these models, the conventional methods for interpreting torsion tests introduce errors of up to 42% in the shear modulus and up to 48% in the maximum shear stress; a straightforward extension of these methods reduces the errors to within 3%.

Animals↗