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PubMed2006

Building an ontology of pulmonary diseases with natural language processing tools using textual corpora.

Pathologies and acts are classified in thesauri to help physicians to code their activity. In practice, the use of thesauri is not sufficient to reduce variability in coding and thesauri are not suitable for computer processing. We think the automation of the coding task requires a conceptual modeling of medical items: an ontology. Our task is to help lung specialists code acts and diagnoses with software that represents medical knowledge of this concerned specialty by an ontology. The objective of the reported work was to build an ontology of pulmonary diseases dedicated to the coding process. To carry out this objective, we develop a precise methodological process for the knowledge engineer in order to build various types of medical ontologies. This process is based on the need to express precisely in natural language the meaning of each concept using differential semantics principles. A differential ontology is a hierarchy of concepts and relationships organized according to their similarities and differences. Our main research hypothesis is to apply natural language processing tools to corpora to develop the resources needed to build the ontology. We consider two corpora, one composed of patient discharge summaries and the other being a teaching book. We propose to combine two approaches to enrich the ontology building: (i) a method which consists of building terminological resources through distributional analysis and (ii) a method based on the observation of corpus sequences in order to reveal semantic relationships. Our ontology currently includes 1550 concepts and the software implementing the coding process is still under development. Results show that the proposed approach is operational and indicates that the combination of these methods and the comparison of the resulting terminological structures give interesting clues to a knowledge engineer for the building of an ontology.

France↗

PubMed1993

[Vesalius and the anatomy of the female genital tract].

Some of Vesalius' books allow us to clarify his knowledge of the anatomy of the female genital tract. We distinguish chronologically his Tabulae anatomicae sex (1538), the Fabrica (1543), the Letter on Chynaroot (1546), the Fabrica II (1555) and his letter to Falloppio (1564). The whole of these writings gives us an overview of the evolution of the insight concerning this important chapter of human anatomy. Anno 1538, Vesalius is in several matters Galen's pupil. Let us consider his pictures of the tractus genitalis of man and woman, which unmistakably follow the galenic theory of sexual isomorphism, a delusion to which our Brussels anatomist adhered during all his life. On other points he outdid the "Master" from the very beginning, e.g. as to the structure of the uterus. In this matter he followed da Carpi (1470-1550), his immediate predecessor and the man who pictured a woman's womb as "Uterus simplex". But even in this matter, Vesalius could not separate himself completely from the antique scheme: near the fundus uteri he draws two "ears" or cornua wherein he lets the oviducts discharge themselves, mythical structures that will disappear from his pictures, from 1543 on. The epididymis-like structure of the oviducts will nevertheless be maintained. The chapters 15 to 17 of the fifth book of the Fabrica stand centrally because herein it is the first time that these parts are systematically and thoroughly described; moreover, the pictoral aspect means a great renovation. Before Vesalius, no anatomist had ever published such detailed and artistic pictures of the female organs. But knowing that text and illustration were made at the dissection table, we should consider the author's mistakes as more conspicuous. Thus for instance, the oviduct as vas semen efferens, the structure of which he "saw" in line with Galen's propagation theory. For Vesalius the uterine tube has remained the homologue of the complex canals through which the male seed leaves the body. Another example of an erroneous "observation", inspired by the functional theories of his predecessors, is the imagined connection of blood-vessels between the female internal organs and the breasts. The needlessly complicated terminology and Vesalius' describing and paraphrasing anatomical nomenclature are not very favourable to an easy reading of this works. His classification of the parts of the genital tract is confusing, the more as it is not consistent. We already said that Vesalius attributes but one cavity to woman's uterus.(ABSTRACT TRUNCATED AT 400 WORDS)

Anatomy↗

PubMedDate not supplied

Completeness of pediatric TB reporting in New York City.

OBJECTIVE: Accurate surveillance of tuberculosis (TB) in children is critical because such cases represent recent transmission, but surveillance is difficult as only 10% to 50% of cases are culture-confirmed. Hospital-based sources were used to develop alternative surveillance to assess completeness of reporting for pediatric TB in northern Manhattan and Harlem from 1993 through 1995. METHODS: Alternative surveillance sources included ICD-9-CM hospital discharge codes for active TB and gastric aspirate reports. Cases identified by alternative surveillance were compared with cases previously reported to the New York City Department of Health (NYC DOH). RESULTS: Alternative surveillance detected 25 cases of possible pediatric TB, of which four (16%) had never been reported to the NYC DOH and three (12%) had been reported as suspect cases, but had not fulfilled the criteria for a reportable case of pediatric TB. Of these seven newly counted cases, three were detected by ICD-9-CM codes, three by a gastric aspirate log book, and one by both. In contrast, 13 other cases had been reported to the NYC DOH, but were undetected by our alternative surveillance; eight of these could be verified with available medical records. Thus, the demographic and clinical characteristics of the 25 detected and the eight undetected cases with available medical records were evaluated in this study. CONCLUSION: Alternative surveillance proved effective, was complementary to the NYC DOH surveillance efforts, and increased the number of pediatric TB cases identified during the study period by 21%.

Adolescent↗

PubMed1990

[Implications of the diffusion of the International Classification of Handicaps on policies concerning handicapped persons].

The International Classification of Impairments, Disabilities and Handicaps (ICIDH) has had a considerable impact on perception of the consequences of disease, and of the modifications which these consequences can present. Ideally, ICIDH is at the same time a descriptive, an explanatory and an implementation too for health policy. Two examples of the conceptual and policy use of ICIDH are given: policy developments proposed to Member States of the Council of Europe; multisectoral development in Québec. Both these examples underline that the ICIDH not only deals with clarifying items, but is also a support to the development of responsible policies.

Persons with Disabilities↗

PubMed1980

Analysis of collection development at the National Library of Medicine.

This paper reports the major findings of a study of collection development activities at the National Library of Medicine (NLM) from 1965 to 1977. The CATLINE file was the source of the data; analyses were performed on classification number, date of entry, and language. An overview analysis of the data base is presented for major subject and form classes. An in-depth subject analysis of the monograph collection was performed using the NLM call number. An analysis by date of entry revealed that the subject content of CATLINE has varied only slightly over the years; the most notable change was a recent decline in the related and peripheral subject areas. The language analysis indicated that 83% of the data base consisted of works published in English, German, Russian, and French. Throughput processing time was measured for English language monographs for selected years.

Book Selection↗

PubMed2004

Contraindications for superficial heat and therapeutic ultrasound: do sources agree?

OBJECTIVES: To determine the amount of agreement among general rehabilitation sources for both superficial heating and therapeutic ultrasound contraindications. DATA SOURCES: English-language textbook and peer-reviewed journal sources, from January 1992 to July 2002. Searches of computerized databases (HealthSTAR, CINAHL, MEDLINE, Embase) as well as Library of Congress Online Catalogs, Books in Print, and AcqWeb's Directory of Publishers and Venders. DATA SELECTION: Sources were excluded if they (1) were published before 1992, (2) failed to address general rehabilitation audiences, or (3) were identified as a researcher's related publication with similar information on the topic. DATA EXTRACTION: Type and number of contraindications, type of audience, year of publication, number of references, rationales, and alternative treatment strategies. DATA SYNTHESIS: Eighteen superficial heat and 20 ultrasound sources identified anywhere from 5 to 22 and 9 to 36 contraindications/precautions, respectively. Agreement among sources was generally high but ranged from 11% to 95%, with lower agreement noted for pregnancy, metal implants, edema, skin integrity, and cognitive/communicative concerns. Seventy-two percent of superficial heat sources and 25% of ultrasound sources failed to reference at least 1 contraindication claim. CONCLUSIONS: Agreement among contraindication sources was generally good for both superficial heat and therapeutic ultrasound. Sources varied with regard to the number of contraindications, references, and rationales cited. Greater reliance on objective data and standardized classification systems may serve to develop more uniform guidelines for superficial heat and therapeutic ultrasound.

Contraindications↗

PubMed2004

Detection and differentiation of in vitro-spiked bacteria by real-time PCR and melting-curve analysis.

We introduce a consensus real-time PCR protocol for the detection of bacterial DNA from laboratory-prepared specimens such as water, urine, and plasma. This prototype detection system enables an exact Gram stain classification and, in particular, screening for specific species of 17 intensive care unit-relevant bacteria by means of fluorescence hybridization probes and melting-curve analysis in a one-run experiment. One strain of every species was tested at a final density of 10(6) CFU/ml. All bacteria examined except Staphylococcus aureus and Staphylococcus epidermidis could be differentiated successfully; S. aureus and S. epidermidis could only be classified as "Staphylococcus species." The hands-on time for preparation of the DNA, performance of the PCR, and evaluation of the PCR results was less than 4 h. Nevertheless, this prototype detection system requires more clinical validation.

Bacteria↗

PubMed1999

Factors contributing to laparoscopic failure during the learning curve for laparoscopic Nissen fundoplication in a community hospital.

This study was done to determine the factors contributing to laparoscopic failure (conversion to open surgery or early reoperation) during the learning curve for laparoscopic Nissen fundoplication in a 228-bed nonteaching community hospital. Data were gathered prospectively for the first 100 consecutive patients booked for elective laparoscopic Nissen fundoplication by the four general surgeons at the hospital. All complications were recorded contemporaneously, and particular note was taken of the factors surrounding conversion to open surgery and reoperation within 100 days of surgery. There were no deaths. The conversion rate was 20% and the early reoperation rate 6%. There were two late recurrences. The average operative time was 117 minutes and the average length of stay 1.8 days; 37 operations were performed on outpatients. The laparoscopic failure rate was 26% (18/68) during a surgeon's first 20 operations and 11% (3/28) thereafter (P < 0.09); the corresponding conversion rates were 22% and 4% (P < 0.05). During a surgeon's first 20 operations, the laparoscopic failure rate rose from 21% (12/57) to 55% (6/11) (P < 0.04) if a second surgeon did not assist. After 20 operations, this difference lost its significance. Intrathoracic herniation of the stomach was found preoperatively in 11 (44%) of 25 operations followed by laparoscopic failure and (8%) 6 of 75 without (P < 0.0002). Laparoscopic failure had no correlation with patient age, sex, ASA classification, duration of symptoms, or referring physician's specialty. The individual learning curve for laparoscopic Nissen fundoplication requires about 20 operations to surmount. Factors leading to laparoscopic failure during the learning curve are the surgeon's inexperience, absence of experienced help, and the presence of intrathoracic herniation.

Adult↗

PubMed2002

Lens and cataract research of the 20th century: a review of results, errors and misunderstandings.

Lens and cataract research from a clinical, biophysical, biological and mainly biochemical point of view has a long tradition. Already since the beginning of the 20th century research relating to the chemical composition and metabolism of the lens was conducted. With these analyses an attempt was made to understand the existence and maintenance of lens transparency and the mechanisms leading to lens opacities. Around the middle of the century the stationary analyses measuring the content of certain substances in the lens were more and more replaced by the search for dynamic metabolic processes responsible for lens growth, maintenance of transparency and possibly active participation in lens function (such as accommodation). Also the disturbances as a result of ageing or the formation of lens opacities have been investigated and resulted partially in the elucidation of reaction chains, leading from a trigger to the formation of a cataract. Lens biochemistry is no longer a closed book to us, but there are still many question marks. Why were we not able to solve more problems around lens and cataract? The research effort with a remarkable financial input and a great number of scientists worldwide during the second half of the century does not correspond to the results obtained. There must be something wrong with our strategy, our interpretation of the results or even both. We would like to stress some points which might be regarded as errors or misunderstandings in the lens research community, thus preventing a better outcome of the enormous investment of work and money. A great disadvantage is the missing cooperation between clinicians and epidemiologists on one hand and basic lens researchers on the other. Especially the ignorance of basic researchers regarding the clinical problems of the lens and of cataracts might be to blame for several 'errors and misunderstandings'. It is not even so long ago since the slitlamp microscope examination of animals belonged to the essential standard methods of a lens research team. Another disadvantage still is the use of the general diagnosis 'cataract' by the clinicians without further classification of the topography of the opacification, which supports the concept that all cataracts have the same trigger mechanism. But most regrettable is the fact that many clinicians have never been really interested in basic research of the lens, in cataract pathogenesis and epidemiology of risk factors or in testing the efficacy of cataract-preventing medication. Their main goal was cataract surgery. On the basis of the success of the cataract surgery at the present time clinicians have even developed the opinion that lens and cataract research is no longer necessary to overcome cataract blindness. But as we all know this refers only to highly industrialized countries; millions of cataract-blind people are still without such help and a change of this condition is not in sight. In our opinion lens and cataract research is still necessary and it will be more successful if we bear in mind the mostly unintentional errors of the 20th century but keep them out of our daily practice.

Animals↗

PubMed1996

[Evaluation of using statistical methods in selected national medical journals].

The paper covers the performed evaluation of frequency with which the statistical methods were applied in analyzed works having been published in six selected, national medical journals in the years 1988-1992. For analysis the following journals were chosen, namely: Klinika Oczna, Medycyna Pracy, Pediatria Polska, Polski Tygodnik Lekarski, Roczniki Państwowego Zakładu Higieny, Zdrowie Publiczne. Appropriate number of works up to the average in the remaining medical journals was randomly selected from respective volumes of Pol. Tyg. Lek. The studies did not include works wherein the statistical analysis was not implemented, which referred both to national and international publications. That exemption was also extended to review papers, casuistic ones, reviews of books, handbooks, monographies, reports from scientific congresses, as well as papers on historical topics. The number of works was defined in each volume. Next, analysis was performed to establish the mode of finding out a suitable sample in respective studies, differentiating two categories: random and target selections. Attention was also paid to the presence of control sample in the individual works. In the analysis attention was also focussed on the existence of sample characteristics, setting up three categories: complete, partial and lacking. In evaluating the analyzed works an effort was made to present the results of studies in tables and figures (Tab. 1, 3). Analysis was accomplished with regard to the rate of employing statistical methods in analyzed works in relevant volumes of six selected, national medical journals for the years 1988-1992, simultaneously determining the number of works, in which no statistical methods were used. Concurrently the frequency of applying the individual statistical methods was analyzed in the scrutinized works. Prominence was given to fundamental statistical methods in the field of descriptive statistics (measures of position, measures of dispersion) as well as most important methods of mathematical statistics such as parametric tests of significance, analysis of variance (in single and dual classifications). non-parametric tests of significance, correlation and regression. The works, in which use was made of either multiple correlation or multiple regression or else more complex methods of studying the relationship for two or more numbers of variables, were incorporated into the works whose statistical methods were constituted by correlation and regression as well as other methods, e.g. statistical methods being used in epidemiology (coefficients of incidence and morbidity, standardization of coefficients, survival tables) factor analysis conducted by Jacobi-Hotellng's method, taxonomic methods and others. On the basis of the performed studies it has been established that the frequency of employing statistical methods in the six selected national, medical journals in the years 1988-1992 was 61.1-66.0% of the analyzed works (Tab. 3), and they generally were almost similar to the frequency provided in English language medical journals. On a whole, no significant differences were disclosed in the frequency of applied statistical methods (Tab. 4) as well as in frequency of random tests (Tab. 3) in the analyzed works, appearing in the medical journals in respective years 1988-1992. The most frequently used statistical methods in analyzed works for 1988-1992 were the measures of position 44.2-55.6% and measures of dispersion 32.5-38.5% as well as parametric tests of significance 26.3-33.1% of the works analyzed (Tab. 4). For the purpose of increasing the frequency and reliability of the used statistical methods, the didactics should be widened in the field of biostatistics at medical studies and postgraduation training designed for physicians and scientific-didactic workers.

Case-Control Studies↗

PubMed1990

Implications of the ICD-10 definitions related to death in pregnancy, childbirth or the puerperium.

The Tenth Revision of the International Classification of Diseases (ICD-10) will include two new definitions concerning death related to pregnancy: --Late maternal death--the death of a woman from direct or indirect obstetric causes more than 42 days but less than one year after termination of pregnancy. --Pregnancy-related death--the death of a woman while pregnant or within 42 days of termination of pregnancy, irrespective of the cause of death. This article discusses the rationale underlying these definitions and their implications for public health statistics. The introduction of these definitions is a step, albeit a timid one, towards an increased acceptance of epidemiology in determining the relationships which affect death related to pregnancy. It is to be hoped that the trend thus initiated can be encouraged.

Cause of Death↗

PubMed2004

Anoxic-epileptic seizures: home video recordings of epileptic seizures induced by syncopes.

Occasionally, but more often than has been reported, true epileptic seizures are triggered by non-epileptic syncopes. This combination of syncope and epileptic seizure has been called an anoxic-epileptic seizure. A few examples of such anoxic-epileptic seizures, including the induction of status epilepticus, have been reported in books and medical journals, but no video-recordings have been published. We show here home video recordings of the first three known examples of the transition from the triggering syncope and anoxic seizure, to the subsequent epileptic seizure. In the first two children, a neurally-mediated syncope, probably mediated by prolonged expiratory apnoea (so-called breath-holding spells), induces a long, clonic epileptic seizure with some features of myoclonic absence. In the third example, a compulsive Valsalva in an older autistic child provokes a vibratory tonic epileptic seizure. In addition, we show two further video clips of the most usual type of epileptic seizure induced by syncopes in very young children. In one, the video recording begins after the end of the triggering syncope and shows a rhythmic clonic seizure that includes repetitive vocalizations. The final recoding is of a spontaneous epileptic seizure with features of myoclonic absence: this child had both epilepsy and identical episodes induced by syncopes, that is, anoxic- epileptic seizures. Not only paediatricians and paediatric neurologists, but also adult neurologists and epileptologists in general, should be aware of the important clinical scenario of true epileptic seizures induced by syncopes. This phenomenon is not considered in any international classification. (Published with videosequences)

Adolescent↗

PubMed1967

Austere librarians--volte-face.

Medical Libraries are too concerned with their customers and not interested enough in their wares. The number, nature, behavior, and satisfaction of readers and the book use by readers are extensively analyzed. Though important for library operation, such studies tend to make library staff regard and treat readers as impersonal members of a study population. As opposed to critical analysis of readers, little effort is made in this direction with respect to journals. It is, therefore, proposed that medical libraries take a hard look at the journals they offer and classify and display them in A, B, C, and D categories. The following benefits might be envisioned: the reader would be helped in looking up a subject that is not in his immediate field of specialization, the occupancy of valuable space by poor journals would be prevented, medium quality journals would strive to improve themselves, and it is even possible that poor and superfluous journals would be put out of business.

Classification↗

PubMed2003

Specific dermatoses of pregnancy: an evidence-based systematic review.

OBJECTIVE: We conducted an evidence-based systematic analysis of the literature on specific dermatoses of pregnancy. STUDY DESIGN: The bibliographic databases MEDLINE and EMBASE were screened for studies and reports in all languages about herpes gestationis, pruritic urticarial papules and plaques of pregnancy, pruritic folliculitis of pregnancy, and prurigo of pregnancy from January 1962 to January 2002. As main index terms, including analogs and derivatives, we used the names of specific dermatoses of pregnancy. Intrahepatic cholestasis of pregnancy, not a primary dermatosis, was included herein because this disorder is associated with pregnancy and its secondary skin manifestations must be differentiated from specific dermatoses of pregnancy. Other sources were abstract books of symposia and congresses, theses, textbooks, monographs, reviews, editorials, letters to the editor, free or rapid communications, and the reference lists from all the articles that were retrieved. All articles selected for inclusion in this review were evaluated critically with regard to their impact factor and evidence-based contribution to this field, as measured by their citation index and impact factor of the journal in which they were published. Approximately 39% of articles met the selection criteria. RESULTS: The clinical features and prognosis of the specific dermatoses of pregnancy have been delineated through a number of retrospective and cohort studies. The molecular biologic and immunogenetic properties of herpes gestationis, pruritic urticarial papules and plaques of pregnancy, and intrahepatic cholestasis of pregnancy have been further clarified. A meta-analysis in this review reveals a higher prevalence of multiple gestation pregnancy (11.7%) among patients with pruritic urticarial papules and plaques of pregnancy. Several investigations have unraveled the fetal complications in intrahepatic cholestasis of pregnancy and herpes gestationis. New treatment modalities in intrahepatic cholestasis of pregnancy (cholestyramine, ursodeoxycholic acid) and herpes gestationis (cyclosporin, intravenous immunoglobulin, and tetracyclines postpartum) have shown promise and warrant further evaluation. CONCLUSION: During the past few decades, a significant amount of new data has provided new insights into the classification, pathogenesis, treatment, prognosis, and fetal risks that are associated with the specific dermatoses of pregnancy.

Cholestasis, Intrahepatic↗

PubMed2005

Long-term seizure outcomes following epilepsy surgery: a systematic review and meta-analysis.

Assessment of long-term outcomes is essential in brain surgery for epilepsy, which is an irreversible intervention for a chronic condition. Excellent short-term results of resective epilepsy surgery have been established, but less is known about long-term outcomes. We performed a systematic review and meta-analysis of the evidence on this topic. To provide evidence-based estimates of long-term results of various types of epilepsy surgery and to identify sources of variation in results of published studies, we searched Medline, Index Medicus, the Cochrane database, bibliographies of reviews, original articles and book chapters to identify articles published since 1991 that contained > or =20 patients of any age, undergoing resective or non-resective epilepsy surgery, and followed for a mean/median of > or =5 years. Two reviewers independently assessed study eligibility and extracted data, resolving disagreements through discussion. Seventy-six articles fulfilled our eligibility criteria, of which 71 reported on resective surgery (93%) and five (7%) on non-resective surgery. There were no randomized trials and only six studies had a control group. Some articles contributed more than one study, yielding 83 studies of which 78 dealt with resective surgery and five with non-resective surgery. Forty studies (51%) of resective surgery referred to temporal lobe surgery, 25 (32%) to grouped temporal and extratemporal surgery, seven (9%) to frontal surgery, two (3%) to grouped extratemporal surgery, two (3%) to hemispherectomy, and one (1%) each to parietal and occipital surgery. In the non-resective category, three studies reported outcomes after callosotomy and two after multiple subpial transections. The median proportion of long-term seizure-free patients was 66% with temporal lobe resections, 46% with occipital and parietal resections, and 27% with frontal lobe resections. In the long term, only 35% of patients with callosotomy were free of most disabling seizures, and 16% with multiple subpial transections remained free of all seizures. The year of operation, duration of follow-up and outcome classification system were most strongly associated with outcomes. Almost all long-term outcome studies describe patient cohorts without controls. Although there is substantial variation in outcome definition and methodology among the studies, consistent patterns of results emerge for various surgical interventions after adjusting for sources of heterogeneity. The long-term (> or =5 years) seizure free rate following temporal lobe resective surgery was similar to that reported in short-term controlled studies. On the other hand, long-term seizure freedom was consistently lower after extratemporal surgery and palliative procedures.

Adolescent↗

PubMed2000

Multidisciplinary team interventions for delirium in patients with chronic cognitive impairment.

BACKGROUND: Delirium is common in hospitalized elderly people. In the frail elderly, delirium may occur in 60% of those hospitalized. In the cognitively impaired, 45% have been shown to develop delirium and these patients have longer lengths of stay and a higher rate of complications which, amongst other things, together contribute to an increase in cost of care. The combination of being elderly and chronically cognitively impaired leads to a high risk of delirium with the associated increased risk of prolonged hospital stay, complications, and poor outcomes. The management of delirium has commonly been multifaceted - the primary emphasis has always been on the diagnosis and therapy of the precipitating factors, but as this may not be immediately resolved, symptomatic and supportive care may become of major importance. OBJECTIVES: The objective of this review is to assess the available evidence for the effectiveness, if any, of multidisciplinary team interventions in the coordinated care of patients with delirium superimposed on an underlying chronic cognitive impairment compared with the usual care of older cognitively impaired patients. SEARCH STRATEGY: The Cochrane Controlled Trials Register (Cochrane Library, up to and including Issue 1, 1998) was searched using the terms 'delirium, controlled trial, cognitive'. MEDLINE, EMBASE and Psychlit (Ovid via Winspirs up to Feb 1998) were also searched with the same terms. Other sources including personal communications, ongoing trials, conference proceedings, handsearching and reference lists of published papers and books were all searched for relevant randomized controlled trials. The total yield from searching was 157 from which 8 (eight) were retained for consideration in the review. SELECTION CRITERIA: From the initial search yields, all randomised controlled trials involving the management of elderly patients with delirium were identified. A single reviewer (AMB) discarded irrelevant publications based on the title of the publication and its abstract. In the event that the article could possibly be relevant, it was retrieved for further assessment. All references were compiled in a list with a commentary on type of article, eg review, prospective study etc and this was independently considered by the second reviewer (RR) who agreed to review all randomised controlled studies reported on patients with delirium. Selection for possible inclusion in this review was then made on the basis of the participants reported as having chronic cognitive impairment, who then developed incident delirium and were randomly assigned to either coordinated multidisciplinary care or usual care. The outcomes of interest were length of stay in hospital, morbidity (including complications), patient distress & impact on care environment, mortality, discharge arrangements and follow-up including assessment of cognitive function at 6 months. Studies in which patients with chronic cognitive impairment or dementia, managed for incident delirium, according to ICD 9 criteria (see note) were considered eligible for inclusion in the review. Studies of risk factors and non-randomized studies were excluded. Note: this classification has been widely utilised throughout the English speaking medical literature over the past 20 years: ICD 10 is still being incorporated into clinical coding systems and has not been utilised in studies published in 1996. (ABSTRACT TRUNCATED)

Delirium↗

PubMed1988

Monograph support provided by the National Library of Medicine and its regional medical libraries in the medical behavioral sciences.

The National Library of Medicine's (NLM) monographic resources in the medical behavioral sciences (MBS) were examined to assess NLM's ability to support the needs of researchers writing in this area. A sample of 239 representative monographs derived from citations in MBS-related articles published in 61 journals in 1981 were evaluated. These monographs were limited to works published between 1978 and 1981, inclusive. The subject distribution of the sample included fourteen of the twenty-one main classes in the LC classification, although BF (psychology), H (social sciences), and R (medicine) constituted 80.3% of the sample. The study revealed that NLM held 48.5% of the sample. The holdings of ten research medical libraries, including six of the seven regional medical libraries, were also evaluated in order to gauge NLM's ability to support that element of the medical library network. The holding rates of these libraries ranged widely (9.6% to 36%), although NLM was found to have far more extensive holdings overall, and when assessed against classes BF, H, and R. Overall, NLM could have supplied from 28.8% to 44.5% of the monographs not held by the medical libraries. In only a few cases were the ten medical libraries able to provide access to monographs not held by NLM. The findings of the study indicate that, regardless of NLM's indication of support to the MBS area, the holdings of more general research and academic libraries are essential to support the monograph needs of MBS researchers.

Behavioral Sciences↗

PubMed2006

Adolf Remane (1898-1976) and his views on systematics, homology and the Modern Synthesis.

Adolf Remane was primarily a morphologist and systematist. In 1952, he published an influential book on the foundations of systematics and phylogenetics in which he advocated homology as the central concept of morphology and the basis of the natural system and discussed criteria serving to discriminate homology from homoplasy in great detail. During the decades when the Modern Synthesis of evolution was created, he repeatedly commented on and criticised the synthetic theory of evolution, which he never fully accepted. Remane disapproved of idealistic morphology and was strongly opposed to Lamarckian, saltationist and orthogenetic theories of evolution. Yet, while appreciating the synthetic theory's validity in the realm of speciation and microevolution, he rejected the claim that the current genetic knowledge was sufficient to explain complex morphological transformations on the basis of random mutations and selection. Instead, he seems to have favoured mutation pressure as the most important factor in macroevolution. Nevertheless, the sometimes vicious disputes between Remane and the adherents of the Modern Synthesis may at least partly have been brought about by personal factors rather than by scientific differences.

Animals↗