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Status, distribution and morphometric/meristic characteristics of Cobitis elongata Heckel et Kner 1858 from Slovenia.

Cobitis elongata Heckel et Kner inhabits the rivers Sava, Kolpa, Krka, Gracnica and Hudinja (the Danube river basin). The species is common in its distribution area. In the Red List of endangered Pisces and Cyclostomata in Slovenia, it is classified as endangered. Status and distribution data of the species from previous reports and recent research were summarized. A total of 31 specimens from the river Kolpa were morphologically studied. Sixteen morphometric and four meristic characteristics were analysed using standard numerical taxonomic techniques. 99.8% of the total variation of standard length was explained by preanal distance, dorsal and ventral fin lengths as well as minimum body height.

Animals↗

Preliminary inventory and classification of indigenous afromontane forests on the Blyde River Canyon Nature Reserve, Mpumalanga, South Africa.

BACKGROUND: Mixed evergreen forests form the smallest, most widely distributed and fragmented biome in southern Africa. Within South Africa, 44% of this vegetation type has been transformed. Afromontane forest only covers 0.56 % of South Africa, yet it contains 5.35% of South Africa's plant species. Prior to this investigation of the indigenous forests on the Blyde River Canyon Nature Reserve (BRCNR), very little was known about the size, floristic composition and conservation status of the forest biome conserved within the reserve. We report here an inventory of the forest size, fragmentation, species composition and the basic floristic communities along environmental gradients. RESULTS: A total of 2111 ha of forest occurs on Blyde River Canyon Nature Reserve. The forest is fragmented, with a total of 60 forest patches recorded, varying from 0.21 ha to 567 ha in size. On average, patch size was 23 ha. Two forest communities - high altitude moist afromontane forest and low altitude dry afromontane forest - are identified. Sub-communities are recognized based on canopy development and slope, respectively. An altitudinal gradient accounts for most of the variation within the forest communities. CONCLUSION: BRCNR has a fragmented network of small forest patches that together make up 7.3% of the reserve's surface area. These forest patches host a variety of forest-dependent trees, including some species considered rare, insufficiently known, or listed under the Red Data List of South African Plants. The fragmented nature of the relatively small forest patches accentuates the need for careful fire management and stringent alien plant control.

Altitude↗

The European Multiple System Atrophy-Study Group (EMSA-SG).

Introduction. The European Multiple System Atrophy-Study Group (EMSA-SG) is an academic network comprising 23 centers across Europe and Israel that has constituted itself already in January 1999. This international forum of established experts under the guidance of the University Hospital of Innsbruck as coordinating center is supported by the 5th framework program of the European Union since March 2001 (QLK6-CT-2000-00661). Objectives. Primary goals of the network include (1) a central Registry for European multiple system atrophy (MSA) patients, (2) a decentralized DNA Bank, (3) the development and validation of the novel Unified MSA Rating Scale (UMSARS), (4) the conduction of a Natural History Study (NHS), and (5) the planning or implementation of interventional therapeutic trials. Methods. The EMSA-SG Registry is a computerized data bank localized at the coordinating centre in Innsbruck collecting diagnostic and therapeutic data of MSA patients. Blood samples of patients and controls are recruited into the DNA Bank. The UMSARS is a novel specific rating instrument that has been developed and validated by the EMSA-SG. The NHS comprises assessments of basic anthropometric data as well as a range of scales including the UMSARS, Unified Parkinson's Disease Rating Scale (UPDRS), measures of global disability, Red Flag list, MMSE (Mini Mental State Examination), quality of live measures, i.e. EuroQoL 5D (EQ-5D) and Medical Outcome Study Short Form (SF-36) as well as the Beck Depression Inventory (BDI). In a subgroup of patients dysautonomic features are recorded in detail using the Queen Square Cardiovascular Autonomic Function Test Battery, the Composite Autonomic Symptom Scale (COMPASS) and measurements of residual urinary volume. Most of these measures are repeated at 6-monthly follow up visits for a total study period of 24 months. Surrogate markers of the disease progression are identified by the EMSA-SG using magnetic resonance and diffusion weighted imaging (MRI and DWI, respectively). Results. 412 patients have been recruited into the Registry so far. Probable MSA-P was the most common diagnosis (49% of cases). 507 patients donated DNA for research. 131 patients have been recruited into the NHS. There was a rapid deterioration of the motor disorder (in particular akinesia) by 26.1% of the UMSARS II, and - to a lesser degree - of activities of daily living by 16.8% of the UMSARS I in relation to the respective baseline scores. Motor progression was associated with low motor or global disability as well as low akinesia or cerebellar subscores at baseline. Mental function did not deteriorate during this short follow up period. Conclusion. For the first time, prospective data concerning disease progression are available. Such data about the natural history and prognosis of MSA as well as surrogate markers of disease process allow planning and implementation of multi-centre phase II/III neuroprotective intervention trials within the next years more effectively. Indeed, a trial on growth hormone in MSA has just been completed, and another on minocycline will be completed by the end of this year.

Animals↗

Beauty bias in butterfly research and conservation.

Conservation biases have been documented since the first emergence of the concept of biodiversity in the 1980s,1,2,3 showing a systematic disproportion in the allocation of research and conservation efforts among taxa.4,5,6,7,8,9,10,11 One factor underlying this disproportion, gaining prominence in recent literature, is species' perceived beauty, shaped by human visual preferences.12,13,14,15,16,17 Here, we integrate a large-scale survey of the perceived beauty of European butterflies yielding >21,000 survey completions from >100 countries into a time-explicit network linking species' beauty, public attention, research and conservation efforts, and the EU regulatory framework. We found that species beauty is consistently associated with public attention, research, and conservation efforts in a temporally structured pattern compatible with a cumulative beauty bias. Research effort and public attention concentrate on widespread and visually attractive species, whereas species included in the legal conservation framework, particularly the Convention on the Conservation of European Wildlife and Natural Habitats (hereafter, Bern Convention, BC, 1979)18 and the EU Habitats Directive (hereafter, HD, 1992)19 are disproportionately represented by visually appealing and historically protected taxa. Because these frameworks guide funding and management actions, early associations between species beauty and BC/HD inclusion have contributed to long-lasting institutional patterns in butterfly research and conservation. By contrast, European IUCN Red Lists20,21 do not overrepresent beautiful species and identify more inconspicuous taxa as threatened. This mismatch reveals a tension between scientific assessments of extinction risk and historically embedded conservation priorities. Our findings suggest that recognizing beauty bias is vital for aligning conservation with actual ecological urgency. VIDEO ABSTRACT.

Animals↗

Mixed biodiversity benefits of agri-environment schemes in five European countries.

Agri-environment schemes are an increasingly important tool for the maintenance and restoration of farmland biodiversity in Europe but their ecological effects are poorly known. Scheme design is partly based on non-ecological considerations and poses important restrictions on evaluation studies. We describe a robust approach to evaluate agri-environment schemes and use it to evaluate the biodiversity effects of agri-environment schemes in five European countries. We compared species density of vascular plants, birds, bees, grasshoppers and crickets, and spiders on 202 paired fields, one with an agri-environment scheme, the other conventionally managed. In all countries, agri-environment schemes had marginal to moderately positive effects on biodiversity. However, uncommon species benefited in only two of five countries and species listed in Red Data Books rarely benefited from agri-environment schemes. Scheme objectives may need to differentiate between biodiversity of common species that can be enhanced with relatively simple modifications in farming practices and diversity or abundance of endangered species which require more elaborate conservation measures.

Agriculture↗

Levalbuterol compared to racemic albuterol: efficacy and outcomes in patients hospitalized with COPD or asthma.

STUDY OBJECTIVES: To compare clinical efficacy, patient outcomes, and medical costs in hospitalized patients treated with levalbuterol to those treated with racemic albuterol. DESIGN: Retrospective chart review. SETTING: A 180-bed community hospital. PATIENTS: Patients admitted to Halifax Regional Hospital with a diagnosis code for COPD or asthma from July 1 to December 31, 1998, and from July 1 to December 31, 1999, were eligible. In 1998, 125 patients were treated with nebulized racemic albuterol (2.5 mg q4h). In 1999, 109 patients were treated with levalbuterol (1.25 mg q8h). MEASUREMENTS AND RESULTS: Clinical efficacy was evaluated by the number of nebulizer treatments, improvement in symptoms and objective clinical findings, the length of hospital stay, and hospital discharge disposition. Medication and total hospital costs were calculated based on Red Book listings and Medicare reimbursement rates. Levalbuterol-treated patients required significantly fewer treatments with beta-agonists (mean [+/- SD] number of treatments, 19.0 +/- 12.7 vs 30.8 +/- 24.0; p < 0.001) and ipratropium bromide (mean number of treatments, 9.4 +/- 11.5 vs 23.2 +/- 25.1; p < 0.001) than did racemic albuterol-treated patients. The mean length of hospital stay in the levalbuterol group was almost 1 day less than that in the racemic albuterol group (4.7 +/- 2.9 vs 5.6 +/- 4.2 days, respectively; p < 0.058). Significantly more patients were readmitted to the hospital within 30 days in the racemic albuterol group compared with the levalbuterol group (16.4% vs 5.7%, respectively; p = 0.01). The mean total cost of nebulizer therapy was significantly greater for patients receiving racemic albuterol than for those receiving for levalbuterol ($112 +/- 101 vs $61 +/- 43, respectively; p < 0.001). The mean total hospital costs per patient were less for levalbuterol compared with racemic albuterol ($2756 +/- 2079 vs $3225 +/- 2714, respectively; p = 0.11). Regression analysis controlling for diagnosis, baseline FEV(1), and ipratropium use indicated that levalbuterol was associated with a length-of-stay savings of 0.91 days (p = 0.015), a total cost savings of $556 (p = 0.013), and a decrease in the likelihood of hospital readmission of 67% (p = 0.056). CONCLUSION: Compared with patients treated with racemic albuterol, those treated with levalbuterol required less medication, had shorter lengths of hospital stay, had decreased costs for nebulizer therapy and hospitalization, and appeared to have a more prolonged therapeutic benefit. These findings support using levalbuterol as first-line therapy for hospitalized adults with COPD or asthma.

Adrenergic beta-Agonists↗

The many causes of headache. Migraine, vascular, drug-induced, and more.

Accurate diagnosis of headache can be challenging when the pain pattern and the source are not immediately recognized. The most common types of headache are primary (i.e., migraine, tension-type, and cluster). In addition, many secondary causes of head pain have been identified. Dr Levin reviews the major types of headache as categorized by the International Headache Society and provides a list of red flags that may signal a secondary headache.

Headache↗

Diversity of avifauna of Jamwa Ramgarh wetland of Rajasthan in India.

The present paper deals with the rich avifauna available at Jamwa Ramgarh Lake of Rajasthan in India. More than 100 species of birds belonging to 38 families were recorded at lake during the year 2002, maximum species were sighted during the winter season. Due to scanty rainfall in 2002, this lake was also affected and had only one-fourth of water of its total capacity, which affected the numbers of migratory waterfowl also. In the wetland most water birds were found to be migratory and few being resident. Some rare, endangered, uncommon, vulnerable, threatened and near threatened species of birds those already listed in Red Data Book were sighted.

Animals↗

Control of red phosphorus, white phosphorus and hypophosphorous acid (and its salts) as list I chemicals; exclusions and waivers. Final rule.

On October 17, 2001, DEA published a Final Rulemaking (66 FR 52670) in which DEA added red phosphorus, white phosphorus (also known as yellow phosphorus) and hypophosphorous acid (and its salts) as List I chemicals. This action was taken because of the use and importance of these chemicals in the illicit manufacture of methamphetamine (a Schedule II controlled substance). As List I chemicals, handlers of these materials became subject to Controlled Substances Act (CSA) chemical regulatory controls including registration, recordkeeping, reporting, and import/export requirements. DEA had determined that these controls are necessary to prevent the diversion of these chemicals to clandestine drug laboratories. In order to provide flexibility for legitimate businesses, the October 17, 2001 rule established, on an interim basis, specific exclusions and waivers for chemical handlers engaged in certain activities. DEA has completed its review of comments pertaining to these interim provisions. This rulemaking finalizes these exclusions and waivers related to the handling of the listed chemicals red phosphorus, white phosphorus, and hypophosphorous acid (and its salts).

Drug and Narcotic Control↗

Incorrect diagnosis of Alzheimer's disease. A clinicopathologic study.

OBJECTIVES: To examine the accuracy of clinical diagnoses of Alzheimer's disease (AD) in subjects enrolled in the Rochester Alzheimer's Disease Project (RADP) who were examined at autopsy, and to present a list of clinical "red flags." DESIGN: Autopsy examination of both prospective and retrospective subjects consecutively enrolled in this clinicopathologic study of the RADP. SETTING: University hospital and research center, using a multidisciplinary geriatric neurology clinic, satellite clinics, nursing home visits, and home visits. PATIENTS: One hundred seventy subjects clinically diagnosed as having AD who were enrolled in the RADP between 1983 and 1993 underwent neuropathologic examination. Of these, 93 had been enrolled prospectively and 77 retrospectively. MAIN OUTCOME MEASURES: Agreement between clinical and pathologic diagnoses. RESULTS: One hundred forty-nine subjects of 170 clinically diagnosed as having AD fulfilled the pathologic criteria for AD, yielding an accuracy rate of 88%. Of 93 subjects enrolled prospectively and diagnosed as having AD, 83 (90%) met the histologic criteria for AD. Of the 77 subjects enrolled retrospectively, neuropathologic examination indicated definite AD in 66 (86%). CONCLUSIONS: There was a high correlation between clinicians' diagnoses and final pathologic diagnoses. The most common clinical errors involved the misdiagnosis of dementias due to Parkinson's disease and cerebrovascular disease. There was no significant difference in the accuracy rates of subjects enrolled prospectively and retrospectively.

Aged↗

4-bromo-2,5-dimethoxyamphetamine: psychoactivity, toxic effects and analytical methods.

4-bromo-2,5-dimethoxyamphetamine (bromo-DMA) is a drug of special interest in Australia as it is available in forms which are seldom seen elsewhere in the world. Data of interest to the Forensic Chemist is summarized. The psychoactivity of bromo-DMA is discussed and a number of case histories involving higher doses are related. A description of dosage forms has been included and variations in drug concentration is discussed. Chemical properties and various methods of quantitative and qualitative analysis, including the use of high performance liquid chromatography, mass spectrometry and infra-red spectroscopy are listed.

DOM 2,5-Dimethoxy-4-Methylamphetamine↗

Barriers to enrollment in drug abuse treatment and suggestions for reducing them: opinions of drug injecting street outreach clients and other system stakeholders.

Alcohol and other drug abuse (AOD) treatment is a major means of HIV/AIDS prevention, yet clients of street outreach programs (SOP) who are injection drug users (IDU), and outreach workers and staff as well, report various obstacles to enrolling clients in AOD programs. This study assessed the barriers to AOD enrollment facing high risk street outreach clients and obtained suggestions for reducing them. Data were obtained from semistructured field interviews with: 1) IDU outreach clients (N = 144) of the six SOPs in New York City (NYC) and northern suburbs supported by the Office of Alcoholism and Substance Abuse Services (OASAS), the single state agency in New York State for AOD prevention and treatment, 2) outreach workers and staff of the six SOPs (N = 55), 3) staff of detox and AOD treatment programs in major modalities treating IDUs (N = 71), and 4) officials and administrators (N = 11) in OASAS, the AIDS Institute of the Department of Health (addresses all aspects of the HIV/AIDS epidemic in New York State), and the agency for public assistance in New York City, the Human Resources Administration (HRA). Principal barriers for street outreach clients included personal-family issues, lack of insurance/Medicaid, ignorance, suspicion, and/or aversion to AOD treatment (methadone maintenance especially), "hassles" with Medicaid, lack of personal ID, lack of "slots," limited access to intake, homelessness, childcare-child custody issues. Further, about 18% had no desire for AOD services, reported no barriers, or were too enmeshed in addiction to enroll. Outreach staff cited prospective client's lack of ID and lack of Medicaid, lack of "slots," and stakeholder agency bureaucracy. Treatment staff cited lack of client readiness, "hassles" posed by welfare reform, AOD programs' own "red tape," waiting lists, and near exclusionary preference for the Medicaid-eligible. Finally, agency managers cited client factors, inadequate funding and lack of appropriate programs, treatment program requirements, and societal stigmatization of addicts. Proposed remedies included dropping ID and insurance requirements for admission, major increases in resources, funding the transporting of outreach client treatment candidates to AOD services sites, education and training initiatives, increased inter-agency cooperation, and the need for stakeholder agencies, OASAS especially, to more effectively integrate abstinence-oriented AOD services with harm reduction and the public health aspects of AOD problems.

Adult↗

Cost effectiveness of competing strategies to prevent or treat GORD-related dysphagia.

OBJECTIVES: The variety of influences that contribute to the occurrence of dysphagia in gastro-oesophageal reflux disease (GORD) provide the physician with many options to intervene in the pathophysiology of the disease process. The aims of the present analysis were to compare the relationships between the costs and effectiveness of competing therapeutic interventions in preventing dysphagia. METHODS: Dysphagia was modelled as the focal point of multiple influences leading to its development. The costs associated with different forms of drug therapy were based on the average wholesale prices listed in the Red Book of 1998. Procedural costs were estimated from Medicare reimbursements. Different treatment options were assessed by their incremental cost-effectiveness ratio. RESULTS: Lifestyle modifications, treatment with prokinetic agents or antacids reduce the occurrence of dysphagia by 22, 21 or 25%, respectively. Acid inhibition results in a 57 to 89% reduction of dysphagia, depending on treatment with histamine-2-receptor antagonists (H2RAs) or proton pump inhibitors (PPIs). Oesophageal dilation results in a reduction ranging between 54 and 81%. The incremental ratio of cost effectiveness associated with prokinetic agents or H2RAs is much higher than that of PPIs. Based on the concept of extended dominance, therefore, prokinetic drugs and H2RAs do not constitute cost-effective means to prevent dysphagia and should be excluded in favour of treatment with PPIs. CONCLUSIONS: An economic analysis of various treatment strategies to reduce the risk of GORD-related dysphagia indicates that PPIs are the most cost-effective means to prevent its occurrence.

Algorithms↗

Some physiological aspects of genetic variation in the blood of sheep.

The principal genetic variants in sheep red cells and plasma are listed. Current hypotheses as to how the L blood group antigen affects active potassium transport across the red cell membrane are summarized. Recent work on an inherited defect in amino acid transport which results in a red cell GSH deficiency is also described.

Amino Acids↗

[Groupamatic 360 C1 and automated blood donor processing in a transfusion center].

Automation of donor management flow path is controlled by: --a 3 slip "port a punch" card, --the groupamatic unit with a result sorted out on punch paper tape, --the management computer off line connected to groupamatic. Data tracking at blood collection time is made by punching a card with the donor card used as a master card. Groupamatic performs: --a standard blood grouping with one run for registered donors and two runs for new donors, --a phenotyping with two runs, --a screening of irregular antibodies. Themanagement computer checks the correlation between the data of the two runs or the data of a single run and that of previous file. It updates the data resident in the central file and prints out: --the controls of the different blood group for the red cell panel, --The listing of error messages, --The listing of emergency call up, --The listing of collected blood units when arrived at the blood center, with quantitative and qualitative information such as: number of blood, units collected, donor addresses, etc., --Statistics, --Donor cards, --Diplomas.

Autoanalysis↗

Monitoring change in the abundance and distribution of insects using butterflies and other indicator groups.

Conservative estimates suggest that 50-90% of the existing insect species on Earth have still to be discovered, yet the named insects alone comprise more than half of all known species of organism. With such poor baseline knowledge, monitoring change in insect diversity poses a formidable challenge to scientists and most attempts to generalize involve large extrapolations from a few well-studied taxa. Butterflies are often the only group for which accurate measures of change can be obtained. Four schemes, used successfully to assess change in British butterflies, that are increasingly being applied across the world are described: Red Data Books (RDB) list the best judgements of experts of the conservation status of species in their field of expertise; mapping schemes plot the changing distributions of species at scales of 1-100 km2; transect monitoring schemes generate time series of changes in abundance in sample populations of species on fixed sites across the UK; and occasional surveys measure the number, boundaries and size of all populations of a (usually RDB) species at intervals of 10-30 years. All schemes describe consistent patterns of change, but if they are to be more generally useful, it is important to understand how well butterflies are representative of other taxa. Comparisons with similarly measured changes in native bird and plant species suggest that butterflies have declined more rapidly that these other groups in Britain; it should soon be possible to test whether this pattern exists elsewhere. It is also demonstrated that extinction rates in British butterflies are similar to those in a range of other insect groups over 100 years once recording bias is accounted for, although probably lower than in aquatic or parasitic taxa. It is concluded that butterflies represent adequate indicators of change for many terrestrial insect groups, but recommended that similar schemes be extended to other popular groups, especially dragonflies, bumblebees, hoverflies and ants. Given institutional backing, similar projects could be employed internationally and standardized. Finally, a range of schemes designed to monitor change in communities of aquatic macro-invertebrates is described. Although designed to use invertebrates as a bio-indicator of water quality for human use, these programmes could be extended to monitor the 2010 biodiversity targets of the World Summit on Sustainable Development.

Animals↗

Pharmacy cost evaluation of risperidone, olanzapine, and quetiapine for the treatment of schizophrenia in acute care inpatient settings.

OBJECTIVE: This study examines total pharmacy cost and usage patterns of schizophrenic patients in acute mental health inpatient settings for three atypical antipsychotics -- risperidone, olanzapine, and quetiapine. Despite the readily available unit cost information for drugs, actual pharmacy costs may deviate significantly from 'labeled costs'. Recent research findings indicate the need for more robust evaluation of such pharmacy costs. RESEARCH DESIGN AND METHODS: This study used data from non-randomized inpatient retrospective charts from three acute care inpatient mental health facilities. The final pooled sample included 327 patients, of which 120 received risperidone, 153 received olanzapine, and 54 received quetiapine. Medication cost was defined as the average wholesale price (AWP) as listed in the 2001 'Red Book'. Propensity scoring methodology and multinomial regression were employed to reduce treatment selection bias. RESULTS: The observed mean daily antipsychotic drug doses were 4.45 mg (SD 2.44) for risperidone, 14.04 mg (SD 5.55) for olanzapine, and 350.33 mg (SD 228.24) for quetiapine. The corresponding mean daily drug costs were $7.66(SD $4.20) for risperidone, $8.11 (SD $5.29) for quetiapine and, $12.10 (SD $4.79) for olanzepine. Numbers adjusted for treatment selection bias show that the average daily total pharmacy cost of risperidone was $4.35 lower than olanzapine (p < 0.001) and $1.41 lower than quetiapine (p = 0.38). The adjusted average daily pharmacy cost of olanzapine was $4.02 higher than quetiapine (p < 0.001). After statistical adjustment there were no significant differences between study drugs in terms of length of stay or patient functioning. CONCLUSION: This study provides the first US comparison of medication utilization patterns and pharmacy costs for olanzapine, risperidone, and quetiapine administered in acute mental health care inpatient settings. While this study did not estimate the full economic value of the three antipsychotics in these inpatient settings, it demonstrated that the mean daily costs for risperidone were lower than the mean daily costs for olanzapine (p < 0.001) and quetiapine although the later difference was not statistically significant (p = 0.38).

Adult↗

Red flags in patients presenting with headache: clinical indications for neuroimaging.

Headache is a very common patient complaint but secondary causes for headache are unusual. Neuroimaging is both expensive and has a low yield in this group. Most patients with intracranial pathology have clinical features that would raise a "red flag". Appropriate selection of patients with headache for neuroimaging to look for secondary causes is very important. Red flags act as screening tools to help in identifying those patients presenting with headache who would benefit from prompt neuroimaging, and may increase the yield. The aim of this study is to evaluate clinical features in patients with headache using neuroimaging as a screening tool for intracranial pathology. 20 red flags were defined. A retrospective study of 111 patients was performed and the outcomes were divided into positive and negative. Abnormal neuroimaging was present in 39 patients. Results were analysed using the Logistic Regression model. Sensitivity and specificity of red flags were analysed to establish the cut-off point to predict abnormal neuroimaging and a receiver operating characteristic (ROC) curve plotted to show the sensitivity of the diagnostic test. Three red flag features proved to be statistically significant with the p-value of less than 0.05 on both univariate and multivariate analysis. These were: paralysis; papilloedema; and "drowsiness, confusion, memory impairment and loss of consciousness". In addition, if three or more red flags from the list were present, this showed strong indication of abnormal neuroimaging, from cut-off point of ROC curve (area under the curve =0.76).

Adolescent↗