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PubMed2002

Phylogenetic reconstruction of parental-care systems in the ancestors of birds.

Due to the controversy surrounding incipient avian parental care, ancestral parental care systems were reconstructed in a phylogeny including major extant amniote lineages. Using two different resolutions for the basal avian branches, transitions between the states no care, female care, biparental care and male care were inferred for the most basal branches of the tree. Uniparental female care was inferred for the lineage to birds and crocodiles. Using a phylogeny where ratites and tinamous branch off early and an ordered character-state assumption, a transition to biparental care was inferred for the ancestor of birds. This ancestor could be any organism along the lineage leading from the crocodile-bird split up to modern birds, not necessarily the original bird. We discuss the support for alternative avian phylogenies and the homology in parental care between crocodiles and birds. We suggest that the phylogenetic pattern should be used as a starting point for a more detailed analysis of parental care systems in birds and their relatives.

Animals↗

PubMed2000

A critical time intervention with mentally ill homeless men: impact on psychiatric symptoms.

We describe the impact of a psychosocial intervention, critical time intervention (CTI), on the cardinal symptom dimensions of schizophrenia, namely negative, positive, and general psychopathology. Ninety-six men with schizophrenia and other psychotic disorders who were discharged from a homeless shelter were randomly assigned to receive either CTI or usual services only. CTI is a time-limited intervention designed to enhance continuity of care during the transition from institution to community. Symptom severity at baseline and at 6 months was assessed using the Positive and Negative Syndrome Scale. Using data on 76 subjects for whom we have complete symptom data, we assessed the impact of CTI on change in symptoms. The results suggest that CTI was associated with a statistically significant decrease in negative symptoms at the 6-month follow-up, reflecting modest clinical improvement. There was no significant effect on positive or general psychopathology symptoms.

Adult↗

PubMed1997

Adjusting to not being "on top": making effective use of transitions.

In today's health care environment, it is possible even for the successful health care manager to be fired or demoted. To ensure continued success, the manager must view a termination or demotion as a normal transition of life and find ways to "move on". Given today's volatile environment, anticipatory planning for job loss or job change, which includes attention to continued professional training, visioning changes in health care, and maintaining strong professional contacts, is an imperative.

Adaptation, Psychological↗

PubMed2003

Measuring disparities in information capture timeliness across healthcare settings: effects on data quality.

The emergence of evidence-based medicine in the United States has created an industry-wide environment where the quality of data maintained by healthcare organizations is becoming a critical factor in the delivery of medical care. Such a transition necessitates a corresponding need for consistent data collection and maintenance methods. In this study results of a national survey of health information managers were used to assess prevalence of a standard data quality practice, the adoption of policies related to timeliness of data capture. Findings from this survey show that, on a national level, only a slight majority of respondents indicated adoption of timeliness policies. About 61% of respondents indicate they have policies and procedures addressing data timeliness, although persistent patterns of nonadoption were found. We examine how the timeliness of data collection might serve as part of an overall data collection strategy that managers can employ to improve the quality of their information.

Data Collection↗

PubMed1999

A comprehensive plan for managed care of patients infected with human immunodeficiency virus.

Medicaid is rapidly moving toward managed care throughout the United States and will have a major impact on care programs for those infected with human immunodeficiency virus (HIV). The experience at the Johns Hopkins HIV Care Service is an example of the transition from fee-for-service to managed care. The Maryland Medicaid program, which has required enrollment of all Medicaid recipients since June 1997, uses an adjusted payment rate and separately funds protease inhibitors. Elements that made the transition to a managed care organization possible included the early development of a comprehensive network of services and a database showing that historical Medicaid payments were low compared with the statewide experience. Our Medicaid managed care program promotes unlimited access to specialists, rejects the "gatekeeper" concept for any service, and includes an open formulary. Nevertheless, it is uncertain that the services now provided can be sustained with anticipated reductions in payments that seem inevitable with Medicaid policies here and nationally.

Baltimore↗

PubMed1998

Linking inpatients with schizophrenia to outpatient care.

OBJECTIVE: This study focused on inpatients with schizophrenia or schizoaffective disorder who were scheduled to begin outpatient care with clinicians who had not previously treated them. The authors evaluated the effects of communication between the patients and their outpatient clinicians before discharge on patients' referral compliance, psychiatric symptoms, and community function at follow-up three months after discharge. METHODS: A total of 104 adult inpatients with schizophrenia or schizoaffective disorder who were scheduled to receive outpatient care from clinicians who had not previously treated them were evaluated at hospital discharge and again three months later. Comparisons were made between patients who had telephone or face-to-face contact with an outpatient clinician before hospital discharge and patients who did not have such contact. RESULTS: About half (51 percent) of the inpatient sample communicated with an outpatient clinician before leaving the hospital. Compared with patients who had no communication, those who spoke with an outpatient clinician were significantly more likely to complete the outpatient referral. After baseline scores and other covariates were controlled for, predischarge contact with an outpatient clinician was associated with a significantly lower total Brief Psychiatric Rating Scale score at follow-up and less self-assessed difficulty controlling symptoms. Nonsignificant trends toward improved medication compliance and a lower rate of homelessness were also found. The two patients groups did not significantly differ in the proportion who were readmitted to the hospital or who made a psychiatric emergency room visit during the follow-up period. CONCLUSIONS: Direct communication between inpatients and new outpatient clinicians may help smooth the transition to outpatient care and thereby contribute to improved control of clinical symptoms.

Adult↗

PubMed2006

Acupuncture use in the United States: findings from the National Health Interview Survey.

OBJECTIVE: Acupuncture has become an important provider-based complementary and alternative medicine (CAM) treatment. To improve understanding of its role in personal health care, an analysis of national data was conducted to examine user sociodemographics, conditions treated, and the relationship of use with conventional Western medical care. DESIGN: A nationally representative cross-sectional survey. SETTING: The 2002 National Health Interview Survey (NHIS), conducted in all 50 states and the District of Columbia. PARTICIPANTS: Thirty-one-thousand and forty-four (31,044) adults who completed the NHIS Sample Adult Core. OUTCOME MEASURES: The primary outcome measure was recent use of acupuncture, defined as use within the previous 12 months. RESULTS: In the 2002 NHIS sample, 4.1% of the respondents reported lifetime use, and 1.1% (representing 2.13 million Americans) reported recent use of acupuncture. Recent use (n = 327) was positively associated with being an Asian female, living in the West or Northeast, having poorer self-reported health status, a higher level of education, and being an ex-smoker. Among recent users, the most typical treatment regimen was two to four treatments (34.5%), with musculoskeletal complaints being the most frequently reported conditions, led by back pain (34.0%). Reports of perceived benefit were generally high. Respondents indicated that acupuncture was used both as an alternative and as a complementary therapy. A reasonable number also reported being referred to acupuncture by a conventional medical professional (25.3%). The cross-sectional nature of the data precluded analysis of transitions in health care use (between conventional and CAM treatments) over time. CONCLUSIONS: Utilization of acupuncture was somewhat lower than expected given its significant national and international recognition and its visibility in the media. This may in part be a function of provider availability and cultural factors.

Acupuncture Therapy↗

PubMed1995

Appropriate palliative care: when does it begin?

The transition between a curative and a palliative approach to the care of a patient with cancer may be filled with uncertainty for patients, their families and health care professionals. A conventional model of treating the patient with cancer through curative, palliative and terminal phases is examined. The boundaries between the phases of care are blurred. A model of care based on respect for patient autonomy ensures that the timing of the switch from curative to palliative care is appropriate.

Humans↗

PubMed2004

Factors affecting missed appointment rates for pediatric patients insured by medicaid in a traditional hospital-based resident clinic and hospital-owned practice settings.

Missed appointment rates (MAR) of pediatric patients insured by Medicaid and seen in a traditional hospital-based continuity (teaching) clinic were compared to the rates for the same patients after their care had been transitioned to a community practice. The hypothesis is that when rewarded with shorter waiting times, a less chaotic environment, and more pediatrician continuity, the MAR for patients insured by Medicaid would be lower in the practice setting than it had been in continuity clinic. The MAR decreased from 33% in the continuity clinic in 1999 to 18% in the community practice in 2001 (p<0.01). It was also hypothesized that the MAR for patients insured by Medicaid would be higher in practices with a higher percentage of Medicaid appointments. Among 15 hospital-owned pediatric practices, the MAR for patients insured by Medicaid was positively correlated with the percentage of total appointments that were made by patients insured by Medicaid (correlation coefficient 0.706 [p<0.01]).

Appointments and Schedules↗

PubMed1996

Effects of sweet taste stimulation on growth and sucking in preterm infants.

OBJECTIVE: To evaluate the effect of sweet taste stimulation in augmenting the reported growth-enhancing effects of nonnutritive sucking in preterm infants who are gavage-fed. DESIGN: Random assignment of preterm infants to receive stimulation by one of three methods during each feeding until totally orally fed. SETTING: Hospital intensive-care and infant transitional units. PATIENTS: Eligibility criteria included body weight greater than or equal to 1,250 g, gestational age younger than 34 weeks, growth parameters appropriate for gestational age, tolerating at least 100 kcals/kg/day by gavage feeding with evidence of weight gain, and no clinical evidence of health complications. Data are presented for 42 infants who completed 14 days of treatment. INTERVENTIONS: Exposure to a sweet pacifier, a latex pacifier, or maternal heartbeat sounds during gavage feedings. MAIN OUTCOME MEASURES: Growth, time to total oral feeding, and sucking responses. RESULTS: No significant differences in sucking measures were noted among treatment groups. Differences in progression time to total oral feedings and weight gain favored the sweet-pacifier group but were not statistically significant. CONCLUSIONS: Oral stimulation of gavage-fed, preterm infants during a 2-week hospitalization was not sufficient to elicit a significant improvement in growth efficiency, progression to total oral feedings, or sucking maturation. Additional studies may show a beneficial effect of chemosensory stimulation in preterm infants.

Child Development↗

PubMedDate not supplied

Potentially unintended discontinuation of long-term medication use after elective surgical procedures.

BACKGROUND: Transitions between health care settings represent vulnerable periods for medical error. Discontinuation of long-term medication use may occur during discharge from the hospital to the community. METHODS: We performed a population-based, cohort study using administrative records from Ontario, Canada, between April 1, 1997, and September 30, 2002. We studied all residents 66 years and older with continuous use of warfarin, 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors (statins), or beta-blocker ophthalmic drops for 1 or more years. Those who had an overnight hospitalization for selected elective surgical procedures were compared with 2 control groups: one that had an ambulatory procedure and one that had no procedures. All groups were assessed for the outcome of failure to renew the prescription within 6 months. RESULTS: Rates of drug treatment discontinuation after overnight hospitalizations, after ambulatory procedures, and after no procedures were 11.4%, 7.5%, and 4.8%, respectively, in the warfarin group; 4.0%, 3.9%, and 3.9%, respectively, in the statin group; and 8.4%, 8.9%, and 7.9%, respectively, in the ophthalmic drops group. The adjusted odds ratio (OR) was 2.6 (95% confidence interval [CI], 2.0-3.4) for discontinuation of warfarin therapy after overnight hospitalizations and 1.6 (95% CI, 1.4-1.7) after ambulatory procedures. In contrast, there was no increased risk of discontinuing treatment with either statins (OR for overnight hospitalization, 1.0 [95% CI, 0.9-1.2]; OR for ambulatory procedure, 1.0 [95% CI 1.0-1.1]) or ophthalmic drops (OR for overnight hospitalization, 1.0 [95% CI, 0.8-1.5]; OR for ambulatory procedure, 1.1 [95% CI, 1.0-1.2]). CONCLUSIONS: Patients prescribed long-term therapy with warfarin were at risk for potentially unintended medication discontinuation after elective procedures. Patients prescribed statins or beta-blocker ophthalmic drops were not at increased risk.

Aged↗

PubMed1985

The prenatal diagnosis of congenital heart disease--a practical approach for the fetal sonographer.

With the widespread use of diagnostic ultrasound to evaluate the human fetus, it is now possible to diagnose a number of anomalies of varying organ systems. Although most anomalies of the central nervous, gastrointestinal, genitourinary, and skeletal systems are recognizable at birth, serious ones involving the cardiovascular system are often silent until the neonate demonstrates signs of cardiovascular compromise. Because an ever increasing number of fetuses are routinely scanned during pregnancy, it becomes imperative to incorporate a simple, logical approach to screen for cardiovascular disease during each fetal examination. The approach outlined in this paper would suggest that one method is the routine examination of the four-chamber view. Although there are a number of fetal and maternal risk factors which predispose to congenital heart disease, we have diagnosed a number of anomalies simply on the basis of the "screening" four-chamber examination in the "low-risk" fetus. For this reason, an attempt to examine the four-chamber view of the fetal heart should be done during each routine fetal examination. If an abnormality is noted, then a Level II, or consultative echocardiographic examination should be carried out. If a fetus at risk for congenital heart disease is being examined, a complete examination of the cardiovascular system (Levels I and II) should be performed. If the above approaches are integrated into obstetrical scanning, in the not too distant future it will be commonplace to diagnose cardiovascular anomalies prior to birth and thus provide the best care during the transition from the intrauterine to the extrauterine environment for the potentially cardiovascularly compromised neonate. The experience gained in our laboratory during the past 5 years strongly suggests that what is "today's research will become tomorrow's clinical tool."

Echocardiography↗

PubMed2001

Congenital adrenal hyperplasia: transition from chil dhood to adulthood.

Congenital adrenal hyperplasia (CAH) is a group of disorders caused by inborn errors of steroid metabolism. The most common form owing to 21-hydroxylase deficiency (CAH-21OHD) is present in about 1:10,000- 1:15,000 live births worldwide. In its classic salt-wasting form (-66-75% of cases) patients may suffer potentially lethal adrenal insufficiency. Non-salt-wasting forms of CAH-21 OHD are recognized by genital ambiguity in affected females, and by signs of androgen excess in later childhood in males. Non-classic CAH-21 OHD may be detected in up to 1-3% of certain populations, and is often mistaken for idiopathic precocious pubarche in children or polycystic ovary syndrome in young women. This chapter will address issues relating to transition of CAH care from the pediatric to the adult endocrinologist.

Adolescent↗

PubMed2005

Image quality assurance of soft copy display systems.

Image quality assurance has traditionally been a high priority in medical imaging departments. Recently, it has often been neglected with the transition from hard copy (film) to soft copy (computer) display systems, which could potentially result in difficulty in reading images or even misdiagnosis. This transition therefore requires careful management such that comparable image quality is achieved at a minimum. It is particularly difficult to maintain appropriate image quality in the clinical settings outside of medical imaging departments because of the volume of display systems and the financial restraints that prohibit the widespread use of dedicated computers and high-quality monitors. In this study, a protocol to test and calibrate display systems was developed and validated by using an inexpensive calibration tool. Using this protocol, monitors were identified in a hospital in which image quality was found to be inadequate for medical image viewing. It was also found that most monitors could achieve a substantial increase in image quality after calibration. For example, the 0 and 5% luminance difference was discernable on 30% of the piloted display systems before calibration, but it was discernable on 100% post calibration. In addition, about 50% of the piloted display systems did not have the maximum luminance (white level) suitably set, and 35% of them did not have the minimum luminance (dark level) suitably set. The results indicate that medical display systems must be carefully selected and strictly monitored, maintained, and calibrated to ensure adequate image quality.

Calibration↗

PubMed1988

Cost-effectiveness prospects of picture archiving and communication systems.

PAC (picture archiving and communication) systems are widely discussed and promoted as the organizational solution to digital image management in a radiology department. For approximately two decades digital imaging has increasingly been used for such diagnostic modalities as CT, DSA, MRI, DR (Digital Radiography) and others. PACS are seen as a step toward high technology integration and more efficient management. Although the acquisition of such technology is investment intensive, there are well-founded projections that prolonged operation will prove cost justified. Such justification can only partly be derived from cost reduction through PAC with respect to present department management--the major justification is preparation for future economic pressures which could make survival of a department without modern technology difficult. Especially in the United States the political climate favors 'competitive medicine' and reduced government support. Seen in this context PACS promises to speed the transition of Health Care Services into a business with tight resource management, cost accounting and marketing. The following paper analyzes cost and revenue in a typical larger Radiology Department, projects various scenarios of cost reduction by means of digital technology and concludes with cautious optimism that the investment expenses for a PACS will be justified in the near future by prudent utilization of high technology.

Archives↗

PubMed1991

Problems and potential of researching epidemiological transition: examples from Southeast Asia.

The concept of epidemiological transition is now quite widely recognized, if not so widely accepted. The transition appears to progress at varying speeds and to different extents spatially; it seems that there can be considerable international, regional and local variations in its progress. The paper examines this contention in the case of a number of countries in Southeast Asia, principally Hong Kong, Malaysia and Thailand. Drawing on evidence from this region, the paper highlights the importance when researching epidemiological transition of the time period under consideration; socio-cultural variations; the nature and quality of data, and spatial scale. It makes some suggestions as to the potential of the concept of epidemiological transition in health care planning and development studies.

Asia, Southeastern↗

PubMed1995

Through a glass darkly: predicting the future of radiation oncology.

To position ourselves professionally for the inevitable transition to managed care demands serious self-appraisal. Like most procedural medical specialties, radiation oncology is currently ill prepared for a capitated system of payment. To prosper under capitation, we need to increase the utility of radiation therapy per unit cost. This can be achieved by making the following adaptive responses: (a) we must ensure that the needs of medical practice drive the use of costly technology and not vice versa; (b) we must subordinate firmly held beliefs and prejudices to solid scientific data and be prepared to modify our practice when more cost-effective alternative exist; and (c) we must be increasingly conscious of outcome, not process, in deciding among treatment options; and (d) we must acknowledge the need to prioritize the use of finite resources so that the maximum effort is expended on those who have the most to gain from treatment. These changes will permit us to develop guidelines for appropriate use of radiation therapy, and to demonstrate the excellent value of the service we can provide, which is the ultimate key to success. Though the future may at times seem bleak, we can shape it with our actions: the best way to predict the future is to create it.

Costs and Cost Analysis↗

PubMed2004

Public health improvement in Iran--lessons from the last 20 years.

INTRODUCTION: Health services are historically based on providers's and policy makers's understanding of population health status. This does not necessarily reflect the real needs of a population. Health needs assessment (HNA) should improve individual or population health and optimize the way that limited resources are utilized. OBJECTIVES: To review health needs literature and to describe Iranian primary healthcare (PHC) achievements in developing a needs-driven health system. FINDINGS: The Iranian PHC system was established to meet healthcare needs identified through population health status surveys. Since 1984, the PHC system has become highly organized and efficient, resulting in a dramatic decrease in infant, maternal and neonatal mortality rates, population growth, increasing life span and a marked shift towards non-communicable diseases. Through an organized partnership of the general population, volunteers, health workers and health professionals, a needs-oriented healthcare system became central to health policy in Iran. Several information sources were utilized to establish need. Improving death certification was an immediate and important part of this process. COMMENT: Improved knowledge about personal rights, community and environmental health policies, and involvement of the media led to an increased range and depth of needs. Moving towards quality improvement and a needs-driven healthcare system requires continuous needs assessment. Novel methods of HNA, such as postal and telephone surveys, group discussions, surrogates for need such as quality-of-life measurement (commonly used in developed countries) or other locally designed methods such as the basic development needs approach, may be relevant to the Iranian PHC network.

Data Collection↗