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PubMed2006

Position of the American Dietetic Association: food and nutrition misinformation.

It is the position of the American Dietetic Association (ADA) that food and nutrition misinformation can have harmful effects on the health, well-being, and economic status of consumers. Nationally credentialed dietetics professionals working in health care, academia, public health, the media, government, and the food industry are uniquely qualified to advocate for and promote science-based nutrition information to the public, function as primary nutrition educators to health professionals, and actively correct food and nutrition misinformation. Enormous scientific advances have been made in the area of food and nutrition, leading to a fine-tuning of recommendations about healthful eating. Consumers have become increasingly aware of the nutrition-health link and reliant on nutrition information to base their decisions, and have assumed partial responsibility for changing their eating behaviors. Unfortunately, these same trends also create opportunities for food and nutrition misinformation to flourish. News reports rarely provide enough context for consumers to interpret or apply the advice given, and preliminary findings often attract unmerited and misleading attention. Effective nutrition communication must be consumer-friendly and contain sufficient context to allow consumers to consider the information and determine whether it applies to their unique health and nutritional needs. Consistent with ADA's organizational vision that members "are the leading source of nutrition expertise," ADA recognizes its responsibility to help consumers identify food and nutrition misinformation in the following ways: (a) ADA members should provide consumers with sound, science-based nutrition information and help them to recognize misinformation; (b) ADA members need to be the primary source of sound, science-based nutrition information for the media and to inform them when misinformation is presented; and (c) ADA members should continue to diligently work with other health care practitioners, educators, policy makers, and food and dietary supplement industry representatives to responsibly address the health and psychological, physiological, and economic effects of nutrition-related misinformation.

Communication↗
PubMed2006

Using initiative to achieve autonomy: a model for advanced practice in medical nutrition therapy.

The purpose of this research was to generate a model of advanced medical nutrition therapy (MNT) practice based on descriptions of their clinical activities provided by advanced-level MNT practitioners. A qualitative approach using grounded theory methodology was employed. The model of advanced MNT practice was based on interviews with 21 credentialed advanced practice registered dietitians from across the United States and Canada. Verbatim transcripts of the interviews were coded for aggregation into themes and subthemes. The resulting model included a single overarching theme: using initiative to achieve autonomy. The five subthemes are aptitude, attitude, expertise, context, and approach. The model provides a richer picture of advanced MNT practice than was previously available and is presented for discussion and debate. Validation of the model is required before incorporation into education or practice.

Attitude↗
PubMed2005

Conditions under which children experience inhibitory difficulty with a "button-press" go/no-go task.

Go/no-go tasks seem to provide a simple marker of inhibitory development in young children. Children are told to respond to one stimulus on go trials but to make no response to another stimulus on no-go trials; responding on no-go trials is assumed to reflect a failure to inhibit the go response. However, there is evidence to suggest that a type of go/no-go task, which we call the "button-press" task, does not require inhibition. We investigated the conditions under which young children (M=3 years 6 months, N=120) experience inhibitory difficulty with this type of task. The data suggest that the speed of stimulus presentation is crucial and that other studies using this type of task have presented the stimuli too briefly. The importance of establishing the inhibitory credentials of a task before it is used as a marker of inhibitory control is emphasized.

Analysis of Variance↗
PubMed2005

Qualification discrepancies between urban and rural emergency department physicians.

The purpose of this study was to describe and compare the residency training and board certification credentials of physicians staffing rural and urban emergency departments (EDs) in the predominately rural states of the upper Midwest. EDs in Nebraska, North Dakota, and South Dakota with annual patient volumes greater than 10,000 met inclusion criteria for the study. ED administrators responded to surveys via mail, addressing physician training and board certification status and ED descriptive statistics. Thirty-four EDs met the inclusion criteria for the study with 26 responding (76%). ED physicians reported 50.6% American Board of Emergency Medicine (ABEM) certification and 33.1% residency training in Emergency Medicine (EM). Physicians staffing urban (metropolitan statistical area, MSA) EDs reported ABEM certification and residency training more frequently than those working in rural (non-MSA) EDs (65.2% vs. 30.8% and 48.3% vs. 12.3%, respectively). The results of this study reveal significant discrepancies between urban and rural EDs in physician board certification and residency training.

Certification↗
PubMed2005

Feasibility of FAST examination performance with ultrasound contrast.

The Focused Abdominal Sonography in Trauma (FAST) examination has several limitations, among which is the inability to reliably detect solid organ injury. We sought to evaluate the feasibility of ultrasound contrast use during a FAST examination and its effect on the ability to delineate vasculature in the spleen and liver from hilum to capsule on simulated patients. This prospective observational case control study was conducted at an urban community hospital Emergency Department (ED) that is a level I trauma facility. During a FAST examination, the liver and spleen were scanned in entirety to evaluate contrast opacification of blood vessels and a latent phase highlighting the parenchyma of the liver and spleen. Each physician, hospital credentialed for the use of emergency ultrasound, scanned the liver and spleen both before and after contrast administration. Five milliliters of contrast were mixed with 16 mL of normal saline and then injected 4 mL at a time through an 18-gauge anticubital catheter. All examinations were successfully completed before contrast agent dissipation. The mean time to complete the FAST examination with interrogation of the liver and spleen was 1 min 42 s (range 1 min 22 s to 2 min 5 s). The mean time to initial visualization of contrast was 15 s (range 12 to 18 s). The latent phase of the ultrasound contrast when the liver or spleen began to shimmer, an effect that would outline hematomas not actively bleeding, occurred at a mean time of 54 s (range 45 s to 1 min 9 s). The ultrasound contrast disappeared at a mean of 2 min 52 s (range of 2 min 16 s to 3 min 33 s). In conclusion, ultrasound contrast use is feasible during the FAST examination and allows enhanced evaluation of solid organ parenchyma during evaluation for solid organ injury.

Abdomen↗
PubMed2006

Comparative analysis of state requirements for the training of substance abuse and mental health counselors.

Data on minimum state requirements for drug and alcohol counselors and mental health counselors in all 50 states and Washington, DC, suggest that training as a mental health counselor is primarily structured through formal education, whereas training as a substance abuse counselor resembles an apprentice model. Fewer states offer or require certification or licensure of substance abuse counselors, compared to mental health counselors. States that do offer such credentials for substance abuse counselors generally require more hours of supervised work experience and continuing education, but fewer hours of formal course work and practicum courses, and a lower level of formal education. Although these different models for training are valid, they each have different implications for clinical practice, dissemination of research findings to practice, and management within the service delivery model.

Certification↗
PubMed2006

Counselor emotional exhaustion and turnover intention in therapeutic communities.

Counselor turnover is a significant problem facing substance abuse treatment agencies. Understanding the role of organizational culture in predicting burnout and turnover intention may yield important information on how to address turnover in treatment organizations. Using data collected from 817 counselors employed in a national sample of 253 therapeutic communities (TCs), structural equation modeling was used to estimate the associations between emotional exhaustion, turnover intention, and three measures of organizational culture: centralized decision making, distributive justice, and procedural justice. The model controlled for counselor demographics, credentials, and earnings. Counselors' emotional exhaustion scores were higher in TCs with greater centralized decision making (p < .01) but lower in TCs where greater distributive justice (p < .05) and procedural justice (p < .001) were reported. Likewise, turnover intention was positively associated with centralized decision making (p < .05) and inversely associated with the workplace justice measures (p < .001). These data suggest that management practices in TCs and perhaps in other types of substance abuse treatment facilities likely play a substantial role in counselors' well-being and in their decisions to leave their jobs. Because these practices are not structural features of organizations, they may be targeted for intervention and change.

Adult↗
PubMed2005

Identifying crash propensity using specific traffic speed conditions.

INTRODUCTION: In spite of recent advances in traffic surveillance technology and ever-growing concern over traffic safety, there have been very few research efforts establishing links between real-time traffic flow parameters and crash occurrence. This study aims at identifying patterns in the freeway loop detector data that potentially precede traffic crashes. METHOD: The proposed solution essentially involves classification of traffic speed patterns emerging from the loop detector data. Historical crash and loop detector data from the Interstate-4 corridor in the Orlando metropolitan area were used for this study. Traffic speed data from sensors embedded in the pavement (i.e., loop detector stations) to measure characteristics of the traffic flow were collected for both crash and non-crash conditions. Bayesian classifier based methodology, probabilistic neural network (PNN), was then used to classify these data as belonging to either crashes or non-crashes. PNN is a neural network implementation of well-known Bayesian-Parzen classifier. With its superb mathematical credentials, the PNN trains much faster than multilayer feed forward networks. The inputs to final classification model, selected from various candidate models, were logarithms of the coefficient of variation in speed obtained from three stations, namely, station of the crash (i.e., station nearest to the crash location) and two stations immediately preceding it in the upstream direction (measured in 5 minute time slices of 10-15 minutes prior to the crash time). RESULTS: The results showed that at least 70% of the crashes on the evaluation dataset could be identified using the classifiers developed in this paper.

Accidents, Traffic↗
PubMed2005

Multicenter construct validity for southwestern laparoscopic videotrainer stations.

BACKGROUND: The "Southwestern" videotrainer stations have demonstrated concurrent validity (transferability to the operating room). The purpose of this study was to evaluate the Southwestern stations for construct validity (the ability to discriminate between subjects at different levels of experience). MATERIALS AND METHODS: From two surgical training programs, Institutional Review Board approved protocol data were collected from 142 subjects, including novice (medical students and R1, n = 66), intermediate (R2-R4, n = 67), and advanced (R5 and expert surgeons, n = 9) groups. All participants performed three repetitions on each of five stations. Completion time was scored for each task. Laparoscopic experience was determined from residency case log databases and from expert surgeon personal case logs. Results for the three groups were compared using one-way ANOVA, including relevant pair-wise comparisons. Correlations between number of laparoscopic cases performed and task scores were determined by Pearson's and Spearman's rho-correlation coefficients. RESULTS: The mean number of laparoscopic cases performed prior to completing the five tasks was 0 for novices, 9 for intermediates, and 431 for the advanced group. Significant differences (P < 0.001) were noted between groups for all five tasks and composite score. Task scores and composite scores significantly correlated with laparoscopic experience (P < 0.01). CONCLUSION: These data suggest that differences in laparoscopic ability are detected by performance on the videotrainer; thus, construct validity is demonstrated. Moreover, scores accurately reflect laparoscopic experience. Further validation may allow such simulators to be used for testing and credentialing purposes.

Adult↗
PubMed2004

Carotid artery stenting is associated with increased complications in octogenarians: 30-day stroke and death rates in the CREST lead-in phase.

BACKGROUND: A heightened risk of stroke and death among octogenarians undergoing carotid artery stenting (CAS) has been reported. The multicenter Carotid Revascularization Endarterectomy vs. Stent Trial (CREST) supported by the National Institute of Neurological Disorders, National Institutes of Health, compares the efficacy of carotid endarterectomy (CEA) and CAS in an ongoing clinical trial. This effort also includes a "lead-in" phase of symptomatic (>50% stenosis) and asymptomatic (>70% stenosis) patients. The protocol calls for patients to receive aspirin and clopidogrel before and 30-days after CAS and to be examined by a study neurologist preprocedure, at 24-hours, and at 30-day. The occurrence of stroke and death was reviewed by an independent clinical events committee. METHODS: The association of age and periprocedural stroke and death was examined in 749 lead-in patients undergoing CAS (30.7% symptomatic, 69.3% asymptomatic). Patients were separated into four age categories: less than 60, 60 to 69, 70 to 79, and 80 years or older, and the proportion of patients with stroke and death during the 30-day periprocedural period was calculated for each category. RESULTS: An increasing proportion of patients suffered stroke and death with increasing age (P = .0006); 2 (1.7%) of 120 patients under age 60, 3 (1.3%) of 229 aged 60 to 69, 16 (5.3%) of 301 aged 70 to 79, and 12 (12.1%) of 99 patients aged 80 years and older. These increasingly high complication rates at older ages were not mediated by adjustment for symptomatic status, use of antiembolic devices, gender, percentage of carotid stenosis, or the presence of distal arterial tortuosity. CONCLUSIONS: Interim results from the lead-in phase of CREST show that the periprocedural risk of stroke and death after CAS increases with age in the course of a credentialing registry. This effect is not mediated by potential confounding factors. Randomized trial data are needed to compare the CAS versus CEA periprocedural risk of stroke and death by age. Pending results from randomized studies, care should be taken when CAS is performed in older patient populations.

Adult↗
PubMed2005

Turf wars: the ethics of professional territorialism.

A 300-bed general hospital in a mid-sized city has a busy cardiac catheterization laboratory, with 12 invasive cardiologists and more than 4000 annual procedures. An invasive radiology suite, the only one in town, is staffed by a single invasive radiologist and two vascular surgeons. They perform about 150 diagnostic angiograms and endovascular procedures each year, about half of which are generated by consultation requests from the cardiologists. The invasive radiology team has worked together for the last 5 years, since an endovascular fellowship-trained vascular surgeon joined the staff. The invasive radiologist helped to develop an endovascular team and mentored the more senior vascular surgeon until he could accumulate the requisite number of procedures to become credentialed. The program's finances and work schedule have been arranged to the satisfaction of all three participants. Until recently, whenever cardiologists found evidence of vascular occlusive disease during catheterizations, they changed host arteries; if symptoms and signs indicated a need for therapy, they referred patients to the invasive radiology clinic. Lately, the cardiologists have begun to perform terminal angiograms on all their patients to detect injuries. They have requested clinical privileges to perform peripheral endovascular procedures as well as traditional cardiac work. The hospital administrator is fearful that the cardiologists may leave the hospital if their request is denied. The invasive radiology staff are concerned that the caseload is insufficient to maintain quality if they must divide it with the cardiologists. You are the hospital Chief of Staff and must decide whether to grant the cardiologists privileges which have thus far been reserved to the endovascular team. What should you do?

Cardiology↗
PubMed2006

Appropriateness of learning curve for carotid artery stenting: an analysis of periprocedural complications.

OBJECTIVES: Cerebral embolism is the first cause of neurologic complications of carotid artery stenting (CAS). A large debate has been raised to identify the caseload necessary for an appropriate learning curve before systematic use of CAS. This study examined (1) the timing of periprocedural complications during CAS and how these complications vary over time to identify factors that contribute to neurologic morbidity and (2) a sufficient number of procedures for adequate training. METHODS: During 2001 to 2006, 627 CAS procedures with cerebral protection devices (CPD) were performed in a single vascular surgery center by a team including a vascular surgeon and an interventional radiologist. These represented 38% of a total of 1598 carotid revascularizations performed in the same interval. CAS procedures were divided into two groups according to time interval: the first period, 2001 to 2003, included 195 CAS procedures, and the second period, 2004 to 2006, included 432 CAS procedures. During each CAS procedure, five major steps were considered: phase 1, or the catheterization phase, included the passage of the aortic arch, catheterization of the target vessel, and introduction of a guiding catheter or sheath. Phase 2, or the crossing stenosis phase, included the placement of a CPD. Phase 3, or the stent ballooning phase, included predilation (when indicated), stent implantation, postdilation, and recovery of the protection system. Phase 4, or the early postinterventional phase, included the first 24 hours after leaving the catheterization table. Phase 5, or the late postinterventional phase, included the interval from the first postoperative day to 30 days. RESULTS: At 30 days, 10 major strokes (2 of which were fatal) and 1 cardiac death occurred, for an overall major stroke/death rate of 1.75%. Furthermore, 18 minor strokes (2.9%) were recorded. By analyzing the occurrence of major strokes according to the three intraprocedural phases, four occurred in phase 1 and six in phase 3. All strokes but one were ischemic; six were ipsilateral, three were contralateral, and one was posterior. Minor strokes occurred prevalently after the procedure (11 in phase 4, 5 in phase 5, and 1 for phases 1 and 3). Comparing the first with the second interval of the study period, the 30-day major stroke and death rate decreased from 3.1% to 0.9% (P = .047), and the 30-day any stroke and death rate decreased from 8.2% to 2.7% (P = .005). According to multivariate analysis, study interval (hazard ratio, 3.68; 95% confidence interval, 1.49-9.01; P = .005) and age (hazard ratio, 1.06; 95% confidence interval, 1.00-1.12; P = .05) were significant predictors of stroke. CONCLUSIONS: A large proportion of major strokes (4/10) from CAS cannot be prevented by using CPD, because these strokes occur during catheterization (phase 1). This finding, together with the significant decrease in the overall stroke/death rate between the first and the last interval of the study period, enhances the importance of an appropriate learning curve that involves a caseload larger than that generally accepted for credentialing. The noticeable number of postprocedural cerebral embolizations leading to minor strokes and occurring in the early and late postinterventional phases (16/18) is likely due to factors less strictly related to the learning-curve effect, such as stent design and medical therapy. Moreover, expertise in selecting material and design of the stents according to different vessel morphology, in association with correct medical treatment, may be useful in reducing the number of minor strokes that occur in the later postinterventional phases of CAS.

Age Distribution↗
PubMed2006

McKenzie classification of mechanical spinal pain: profile of syndromes and directions of preference.

The purpose of this study was to develop a profile of the use of McKenzie classifications of diagnosis and treatment, by physiotherapists credentialed in the McKenzie method in New Zealand. This system has been in common use for more than 20 years and the inter-rater reliability of the assessment has been previously established for therapists at this level of training. Prior studies identifying the classification of patients according to syndrome and directional preference have been mainly for the lumbar spine. The 34 participants for this study each assessed and classified 10 consecutive spinal patients during a 10-week period. Of the 340 patients assessed, 19 were excluded. Of those with pain arising from the lumbar spine; 140/187 were classified as reducible derangement syndrome, 11/187 were classified as irreducible derangement, 11/187 as dysfunction syndrome, 1/187 as posture syndrome and 24/187 as 'other'. For treatment in the reducible derangement syndrome; 98/140 were given extension, 8/140 were given flexion and 34/140 were given lateral movements of either side gliding or rotation. Classifications and treatment for the cervical and thoracic spine groups followed similar patterns. These findings add to the external validity of the McKenzie method, and support mechanical evaluation of spinal patients according to directional preference.

Adult↗
PubMed2003

Statement on the Scope and Standards of Medical Dosimetry Practice.

As healthcare delivery systems and technology continue to evolve, the role and responsibilities of the medical dosimetrist need to be delineated. The Scope and Standards of Medical Dosimetry Practice is design to provide a statement of competence in medical practice; define the practice of medical dosimetry; and provide a useful guide for medical dosimetrists and others in evaluating the quality, effectiveness, and appropriateness of health care services provided. In the process of developing the statement, the profession of medical dosimetry and credentialing are described; and a decision-making model to guide medical dosimetrists in determining scope of practice is provided.

Humans↗
PubMed2004

Total laparoscopic hysterectomy and laparoscopic supracervical hysterectomy.

Laparoscopic hysterectomy was first performed in 1989 and has become one of the procedures that may be offered to women with significant gynecologic symptoms. This article describes alternatives to hysterectomy, indications for laparoscopic hysterectomy, and outcomes and complications of laparoscopic hysterectomy as compared with vaginal and abdominal hysterectomy. Surgical technique for both total and supracervical hysterectomy are described as well as the learning curve, training, and credentialing for these procedures.

Abdomen↗
PubMed2006

Uterine artery embolization as a treatment option for uterine myomas.

Information is still being collected on the long-term clinical responses and appropriate patient selection for UAE. Prospective RCTs have not been performed to compare the clinical results from UAE with more conventional therapies for symptomatic uterine leiomyomata. At least three attempts at conducting such RCTs have been unsuccessful because of poor patient accrual that related to differing patient expectation and desires, clinical bias, insurance coverage, and the tendency that patients who have exhausted other treatment options may be disposed more favorably to less invasive treatments. Other comparative studies have serious limitations. For example, the retrospective study that compared outcomes after abdominal myomectomy with UAE suggested that patients who received UAE were more likely to require further invasive treatment by 3 years than were recipients of myomectomy. Lack of randomization introduced a selection bias because women in the group that underwent UAEwere older and were more likely to have had previous surgeries. A prospective study of "contemporaneous cohorts," which excluded patients who had sub-mucosal and pedunculated subserosal myomas, sought to compare quality of life measures and adverse events in patients who underwent UAE or hysterectomy. The investigators concluded that both treatments resulted in marked improvement in symptoms and quality of life scores, but complications were higher in the group that underwent hysterectomy over 1 year. In this study,however, a greater proportion of patients who underwent hysterectomy had improved pelvic pain scores. Furthermore, hysterectomy eliminates uterine bleeding and the risk for recurrence of myomas. Despite the lack of controlled studies that compared UAE with conventional surgery, and despite limited extended outcome data, UAE has gained rapid acceptance, primarily because the procedure preserves the uterus, is less invasive, and has less short-term morbidity than do most surgical options. The cost of UAE varies by region, but is comparable to the charges for hysterectomy and is less expensive than abdominal myomectomy. The evaluation before UAE may entail additional fees for diagnostic testing, such as MRI, to assess the uterine size and screen for adenomyosis. Other centers have recommended pretreatment ultrasonography, laparoscopy, hysteroscopy, endometrial biopsy, and biopsy of large fibroids to evaluate sarcoma. Generally,after UAE the recovery time and time lost from work are less; however, the potential need for subsequent surgery may be greater when compared with abdominal myomectomy. Any center that offers UAE should adhere to published clinical guidelines,maintain ongoing assessment of quality improvements measures, and observe strict criteria for obtaining procedural privileges. After McLucas advocated that gynecologists learn the skill to perform UAE for managing symptomatic myomas, the Society of Interventional Radiology responded with a precautionary commentary on the level of technical proficiency that is necessary to maintain optimum results from UAE. The complexity of pelvic arterial anatomy, the skill that is required to master modern coaxial microcatheters, and the hazards of significant patient radiation exposure were cited as reasons why sound training and demonstration of expertise be obtained before clinicians are credentialed to perform UAE.A collaboration between the gynecologist and the interventional radiologist is necessary to optimize the safety and efficacy of UAE. The primary candidates for this procedure include women who have symptomatic uterine fibroids who no longer desire fertility, but wish to avoid surgery or are poor surgical risks. The gynecologist is likely to be the primary initial consultant to patients who present with complaints of symptomatic myomas. Therefore, they must be familiar with the indications, exclusions, outcome expectations, and complications of UAE in their particular center. When hysterectomy is the only option, UAE should be considered. Appropriate diagnostic testing should aid in the exclusion of most, but not all, gynecologic cancers and pregnancy. Other contraindications include severe contrast medium allergy, renal insufficiency, and coagulopathy. MRI may be used to screen women before treatment in an attempt to detect those who have adenomyosis; patients should be aware that UAE is less effective in the presence of solitary or coexistent adenomyosis. Because some women may experience ovarian failure after UAE, additional studies to determine basal follicle-stimulating hormone and estradiol before and after the procedure may provide insight into UAE-induced follicle depletion.UAE is a unique new treatment for uterine myomas, and is no longer considered investigational for symptomatic uterine fibroids. There is international recognition that data are needed from RCTs that compare UAE with surgical alternatives. Current efforts to provide prospective objective assessment of treatment outcomes and complications after UAE will help to optimize patient selection and clinical guidelines. FIBROID should provide critical data for the assessment of safety and outcomes measures for women who receive UAE for symptomatic uterine myomas.

Angiography↗
PubMed2006

Surgical education for the twenty-first century: beyond the apprentice model.

Traditionally, surgery has been taught by an apprentice model, where the learner imitates the actions of a skilled mentor. Although effective, this model is inefficient because it requires learners to be exposed to a large number of surgeries performed by a limited number of dedicated teaching faculty. In addition, competence is proved with subjective evaluations. Because of changes in modern medical practice, specifically reimbursement issues, resident work hour restrictions, and need for reliable and valid credentials, the critical components of the apprentice model are eroding. A paradigm shift is needed in modern surgical education.

Education, Medical, Graduate↗
PubMedDate not supplied

The perceived value of certification by certified perioperative nurses.

We conducted this study to determine the perceived value of certification in perioperative nursing. Following development and pilot-testing, we mailed the 18-item Likert-type instrument, the Perceived Value of Certification Tool (PVCT), to a sample of 2750 perioperative nurses who had earned the CNOR or CRNFA credential or both. A total of 1398 surveys were returned (50.8% response rate). Factor analysis extracted three factors, accounting for 61% of the variance: personal value, recognition by others, and professional practice. Internal consistency reliability testing (Cronbach's alpha) identified a standardized alpha of.924. Over 90% of respondents agreed or strongly agreed with statements about the value of certification related to feelings of personal accomplishment and satisfaction, validating specialized knowledge, indicating professional growth, attainment of a practice standard, personal challenge, and professional commitment, challenge, and credibility. These results are consistent with previously published literature on specialty certification in nursing.

Attitude of Health Personnel↗