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PubMedDate not supplied

[Vascular access in Spain: analysis of its distribution, morbidity, and monitoring systems].

Vascular access disfunction causes a therapeutic emergency with different implications in patients and care givers. The aim of this study was to know the distribution of different kinds of vascular access between prevalent hemodialysis patients, the proportion of incident patients that holds a permanent vascular access, the monthly hospital ratio for access repair and the use of surveillance systems of vascular access adequacy in the different Centers. This is a National survey that shows results of a questionnaire sent to all hemodialysis units in Spain on september 1999. Eighty-eight units answered the questionnaire (42%) providing information about 5,476 prevalent patients. Of these patients, 81% receives treatment through an arteriovenous fistula, 10% uses a central catheter and 9% a graft. Only 56% of incident patients have a permanent vascular access. Reasons for catheter use between prevalent patients were exhaustion of vascular sites in 42%, maduration of permanent access in 24%, thrombosis of the access in 14% and another reasons in 19%. Patients monthly hospitalization ratio for vascular repair was 3%, that might represent more than 5,600 hospital ingress by year. More than 80% of the Units releases different surveillance programs of access adequacy, 69% by fiscal detection problems, 47% by dynamic alterations and 18% by dilution and imaging procediments. The conclusions of this survey are that arteriovenous fistula is the most used vascular access in Spain. Almost half of the patients do not have vascular access in use for the beginning of hemodialysis. Exhausted vascular sites is the primary reason for central catheter using. A great proportion of Units are employing programs for access monitoring.

Catheters, Indwelling↗
PubMed1996

Clinical experiences with computed radiography.

Computed radiography (CR) based on photostimulable phosphor is currently the only feasible way for a radiological department to digitize the bulk of radiological data: the lung and skeletal examinations. Regarding the quality of images for diagnostic purposes, CR imaging is never inferior to a screen/film system (SF) and for several clinical entities CR is superior. Of the many processing possibilities of the image plate (IP) image, the unsharp masking or edge enhancement should be used at a minimum. Dose reduction with CR ranges from 15% to 95%; at our institution it is 37%. Softcopy reading of CR images is advantageous due to the many postprocessing and improved display facilities. Currently there is little use for a 4000 x 4000 (4 K) pixel imaging and display. All images (including mammography) can be read in 2 K without any loss of clinically important information. To include CR in a picture archive and communication system (PACS) is demanding because of the load of data that each CR image represents. Networks for image distribution are essential if digital imaging is to have any impact on patient treatment and hospital organization.

Bone and Bones↗
PubMed1996

Open information systems and data security in medicine.

The realization of the German law for a new structure of health care delivery by the assurance of efficient structures and processes in hospitals calls for an optimal design of informational processes. To realize applications near to the users and just in time as well as to build up the complex functional relationships between departments and subsystems in big hospitals, a new design for Hospital Information Systems (HIS) is necessary. The features of modern HIS outlined in the paper can only be established by open systems, which guarantee portability, scalability and interoperability. This is also true in regionally distributed systems like the tumour register at Cancer Centres. In the paper the necessity and possibilities of open systems and different levels of application integration are discussed. The general statements are illustrated by practical realizations in the HIS of the Magdeburg University Hospital as well as in the tumour register at the Cancer Centre of Magdeburg/Sachsen-Anhalt. The creation of integrated structures for communications makes great demands on the assurance of data security and data protection, especially for the inclusion of external partners from the region. In the context of high sensitive data of cancer patients data protection is of top priority. The legal problems of data collection, data storage and exchange in medicine are discussed first. The paper presents some aspects of the concept for data security and data protection in the Magdeburg University HIS and of the related concept for data protection in the tumour register of the Cancer Centre Magdeburg/Sachsen-Anhalt. Appropriate steps of realization are demonstrated. The application of hardware based modern access control systems with integrated encryption of data follows. The statements are extended to the planned installation of hardware based network access control systems with integrated encryption of data in the LAN.

Computer Communication Networks↗
PubMed1989

[The function of the independent day clinic in psychiatric treatment].

This report on the first ten years of the independent day hospital for psychiatric patients at Siegburg, West Germany, is based on the special nature and position of the hospital within the pattern of psychiatric hospital care as is being practised in W. Germany, where such hospitals are being run with provincial (Land)government supervision and management, and also in consideration of the fact that very little concrete experience has so far been collected on the independent hospitals. Geographical and social data are described and the changes that have taken place in the psychiatric patient care system in West Germany, as well as the changes in proportionate distribution of diagnoses of the patients, are considered. Differentiation of patient groups according to the development of their strategies for psychotic and borderline patients are worked out on this basis. Hence, this type of independent day hospital ceases to be a transitory affair and has evolved a therapeutic approach of its own.

Adult↗
PubMed1990

Restructuring pharmacy services to reduce expenses without eliminating services.

The manner in which pharmaceutical services in a 719-bed teaching institution were restructured to reduce expenses without eliminating services is described. Before the department was restructured, the labor-intensive nature of the drug distribution system and high personnel costs hindered the introduction of upgraded services. Drugs were dispensed from a central pharmacy and 14 pharmacy satellites located throughout the hospital campus. A traditional floor stock system was used in the critical-care units, the operating suites, and the pediatric facility; i.v. admixture services were provided to only two patient-care units. Under a three-year strategic plan, the organizational structure of the department was changed to regroup existing functions and to give more autonomy to the managers. The 12 small pharmacy satellites in the main hospital building were replaced by two larger and more efficiently designed satellites. An automated medication order entry system with bar-code-reading capabilities was installed; automation was also used to increase the efficiency of the nutritional support and oncology services and to create an online file of all statistical, fiscal, and purchasing records. Fax machines that were installed on five critical-care units and the oncology unit decreased turnaround time for new medication orders. These changes enabled the department to eliminate 17 positions while adding 5 clinical pharmacist specialist positions and 6 technician group leader positions. By integrating automation technology with controlled downsizing and restructuring of drug distribution services, the department was able to reduce expenses while improving existing pharmaceutical services.

Automation↗
PubMed1986

Evaluation of a new classification system for anemias using Consult Learning System.

Since the advent of electronic particle counting, anemias have customarily been classified by evaluating cell size (MCV) and hemoglobin content (MCH). Recently a new parameter estimating red cell size heterogeneity (the 'red cell distribution width' or 'RDW') has been introduced. We have evaluated a proposed classification of anemias based upon this new parameter in a large group of hospitalized patients utilizing an expert system based upon statistical pattern recognition and compared our results to other studies. The potential advantages of using such a system over currently existing uni-dimensional classification systems to evaluate clinical problems are discussed.

Anemia↗
PubMed1998

IMASIS. A multicenter hospital information system--experience in Barcelona.

The present study aimed to analyse physicians' attitudes towards IMASIS, and their potential influence on IMASIS medical record project. IMAS (Institut Municipal d'Assistència Sanitària) is the health care organisation of the City Council of Barcelona. IMAS hospital information system (IMASIS), which first applications were designed and implemented in 1984, is currently facing a new phase, focused on clinical information management. Our approach included a personal interview with representatives of every hospital unit, and a self-administered questionnaire distributed to every clinician. Both provided a worthy insight into the cultural patterns to be considered in the HIS implementation process. Moreover, the results helped to define the subsequent steps of IMASIS evolution. Our experience is proposed as a tool to assess clinical informations systems from a user point of view.

Adult↗
PubMedDate not supplied

The underreporting of disease and physicians' knowledge of reporting requirements.

Previous studies of underreporting of disease have mainly addressed the attitudes of physicians toward reporting of communicable disease to public health agencies and have not examined adequately the physicians' knowledge of the reporting system as a cause of underreporting. To investigate, the authors designed a questionnaire and distributed it to 345 physicians at two hospitals. One hundred and sixty-nine questionnaires, which examined knowledge of reporting requirements and reasons for not complying with those requirements during 1978-81, were returned (a 49 percent response rate). Most of the respondents knew that reporting is required, but their knowledge in specific areas, such as which diseases are reportable, varied greatly. The number of physicians who knew which diseases they are required to report ranged from a low of 63 physicians (37 percent) for trachoma to 163 (96 percent) for syphilis. Of the 169 physicians, only 50 believed they knew how to report reportable diseases, and only 40 of them knew the correct procedures. Thirty-six percent of the 169 physicians indicated that they had not reported any cases at all during 1978-81. On the average, physicians recalled reporting 28 percent of their reportable cases. When they indicated why they had not complied with reporting requirements, the physicians chose reasons that reflected a lack of knowledge of the reporting system. The most common reasons were "did not know how to report" and "did not know it was a reportable disease." The results suggest that a major factor in physician underreporting is a lack of knowledge of the morbidity reporting system.

Awareness↗
PubMed1987

The impact of age on utilization of intensive care resources.

The impact of age on admission practices and pattern of care were examined in 599 admissions to a medical intensive care unit (MICU) and 290 patients on the conventional medical care divisions of the same hospital. Four age groups were compared: under 55, 55 to 64, 65 to 74, and 75 years of age and over. Severity of illness and prior health were assessed using the Acute Physiology Score (APS) and the Chronic Health Evaluation (CHE) instruments. Resource utilization was assessed using the Therapeutic Intervention Scoring System (TISS) and hospital charges. Patients 65 years of age and over comprised 48% of the MICU sample. The distribution of CHE was different among the four groups. Twenty-one percent of patients under 55 years of age had no prior chronic illness, as compared to less than 8% of older patients. The APS at admission was similar for all age groups, as was admission, daily, and total TISS. Hospital survival declined with age from 85% to 70%, while the likelihood of being designated do not resuscitate (DNR) increased from 10% to 24%. Differences in hospital survival disappeared when controlling for severity of illness and prior health, but differences in DNR status did not. Still, elderly DNR patients received as much resources as younger DNR patients and this was more than non-DNR patients. The sample of patients treated on conventional medical divisions had age distribution similar to the MICU sample. There was some evidence that admission APS (median, 5, 5, 6, 6, respectively, P = .055) and maximum APS (median, 5, 5, 7, 8, respectively, P = .023) differed slightly across age groups.(ABSTRACT TRUNCATED AT 250 WORDS)

Age Factors↗
PubMed2000

Upper gastrointestinal bleeding in patients with hepatic cirrhosis: clinical course and mortality prediction.

OBJECTIVE: We conducted this study to describe the complications and validate the accuracy of previously reported prognostic indices in predicting the mortality of cirrhotic patients hospitalized for upper GI bleeding. METHODS: This prospective, observational study included 111 consecutive hospitalizations of 85 cirrhotic patients admitted for GI bleeding. Data obtained included intensive care unit (ICU) admission status, Child-Pugh score, the development of systemic inflammatory response syndrome (SIRS), organ failure, and inhospital mortality. The performances of Garden's, Gatta's, and Acute Physiology and Chronic Health Evaluation (APACHE) II prognostic systems in predicting mortality were assessed. RESULTS: Patients' mean age was 48.7 yr, and the median APACHE II and Child-Pugh scores were 17 and 9, respectively. Their ICU admission rate was 71%. Organ failure developed in 57%, and SIRS in 46% of the patients. Nine patients had acute respiratory distress syndrome, and three patients had hepatorenal syndrome. The inhospital mortality was 21%. The APACHE II, Garden's, and Gatta' s predicted mortality rates were 39%, 24%, and 20%, respectively, and their areas under the receiver operating characteristic curve (AUC) were 0.78, 0.70, and 0.71, respectively. The AUC for Child-Pugh score was 0.76. CONCLUSIONS: SIRS and organ failure develop in many patients with hepatic cirrhosis hospitalized for upper GI bleeding, and are associated with increased mortality. Although the APACHE II prognostic system overestimated the mortality of these patients, the receiver operating characteristic curves did not show significant differences between the various prognostic systems.

APACHE↗
PubMed1990

Between-register and within-register variability in event-finding and rates in the MONICA-France Project.

The 1985 and 1986 coronary event data from the three French MONICA Registers in Haute-Garonne (Toulouse), Bas-Rhin (Strasbourg) and the Urban Community of Lille (UCL) are used to compare the sources of information, the distribution of events in different diagnostic categories, and their possible effects on event rates. All three registers follow the MONICA protocol, and use the "cold pursuit" method, with data abstracted retrospectively from medical files or from the doctors establishing the causes of death. The health system and medical background are similar in the three centers. The distribution of the sources of information (in-hospital and out-of-hospital) and the distribution of events by diagnostic categories are different among centres. The possible effects of these differences on rates of definite myocardial infarction or possible coronary death are estimated between registers and within registers during a 2-year period. Cross-sectional comparisons are questionable, and possible false trends in event rates require special attention.

Adult↗
PubMed1998

Reducing a peritoneal dialysis program's cost by changing from a vendor-provided to a program-provided system for general medical supplies: significant savings in CCPD.

An examination of the costs associated with outpatient chronic peritoneal dialysis prompted us to investigate the charges for general medical supplies used by patients on continuous ambulatory peritoneal dialysis (CAPD) and continuous cycling peritoneal dialysis (CCPD) in our hospital-owned, not-for-profit peritoneal dialysis program. The items used by patients to perform their dialysis exchanges and daily exit site care included 4 x 3 and 2 x 2 sterile gauze pads, antibacterial soap, masks, tape, and betadine swabsticks. The charges for these supplies when purchased from the dialysis vendor were compared with charges for the same items if purchased directly from hospital stores by the peritoneal dialysis program and then distributed to the patients. This initial analysis suggested a considerable savings if the peritoneal dialysis program provided the supplies. Based on this estimated savings, in July 1995, the peritoneal dialysis program changed from a vendor-provided to a program-provided system for general supplies used by CAPD and CCPD patients. This study examined the differences in charges expressed as $/patient-month for two periods: July 1994 to June 1995 (when all general medical supplies were provided by dialysis vendors directly to the CAPD and CCPD patients) and July 1995 to May 1996 (when the peritoneal dialysis program purchased general medical supplies from hospital stores and distributed these supplies directly to the patients). The median vendor charges for CAPD patients (n = 21 during 1994 to 1995 and n = 18 during 1995 to 1996) were not significantly different between the two periods. In fact, the charges were slightly higher during the 1995 to 1996 period ($1,264/patient-month v $1,193/patient-month during the vendor-provided period of July 1994 to June 1995, P = 0.67). The median vendor charges for patients on CCPD were significantly lower during the 1995 to 1996 period when the peritoneal dialysis program provided the general medical supplies used for CCPD ($1,110/patient-month v $1,389/patient-month during 1994 to 1995, P = 0.003). There were 30 CCPD patients during the 1994 to 1995 period and 27 patients on CCPD during 1995 to 1996. The total charges for CAPD and CCPD patients combined included dialysis vendor charges (dialysis solution, tubing, cycler rental) and charges from hospital stores. These total charges were lower in the July 1995 to May 1996 period when general medical supplies were purchased directly from hospital stores rather than from the dialysis vendors: $1,201/patient-month versus $1,360/patient-month (P = 0.03). The median hospital store charges rose slightly during the July 1995 to May 1996 period when supplies were purchased by the peritoneal dialysis program from hospital stores ($31/patient-month v $21/patient-month, P = 0.37, during the July 1994 to June 1995 period when general medical supplies were purchased directly from dialysis vendors). However, despite the rise in charges from hospital stores, an overall savings of $149/patient-month was achieved when the peritoneal dialysis program purchased and provided general medical supplies used by the peritoneal dialysis patients. This $149/patient-month equals $1,788 savings per dialysis year for each patient on peritoneal dialysis for that year. Significant savings in the cost of a chronic peritoneal dialysis program may therefore occur if less expensive sources for the general medical supplies used by CAPD and, especially, CCPD patients are found.

Contract Services↗
PubMed2004

[Drug administration to paediatric inpatient].

OBJECTIVE: Available commercial drugs in France are often unsuitable for children. The aim of this study was, for every medicinal form orally or parenterally administered, to identify and to quantify difficulties met by the nurses administering drugs to paediatric inpatients and to propose solutions to main identified problems. MATERIAL AND METHOD: The study was realized in 14 hospitals by direct observation. The observer, provided with a questionnaire, followed during a time slot of at least 2 h for one or several nurses and raised all the oral or injectable administrations. RESULTS: One thousand and nine hundred forty-six observations were performed. The children were 12.6 +/- 17 months old, and weighed 8.5 +/- 9.4 kg. Injectable drugs: half of the observations showed a posology and a mode of dilution not corresponding to the summary of product characteristics. Eight percent of orally administered drugs were injectable drugs. In 35.5% of cases, administered amount was lower than the quarter of the present quantity in the therapeutic unity. The rest of the therapeutic unity was thrown (77.2% of cases). Liquid oral forms: liquid oral forms were ready for use regarding 83.8% of cases. The medicine was readministered to the same patient (23.5%), and/or administered to other patients (80.0%). Capsules: 66.9% of the administered capsules were prepared by the hospital pharmacies. The pharmacies organized with an unit dose drug dispensing system produced significantly more preparations than those working by global distribution (P < 0.0001). In 58.4% of cases, the administered capsule was an off-label drug. Tablets: 46% of drug administration concerned a tablet without pediatric indication. 46.7% of tablets were cut, 74% were crushed. Bags: in 35.2% of observations, the bag was not administered in its entirety. CONCLUSION: Our study confirms the unsuitability of drugs to paediatric inpatients, the necessity of recommendations of good practices in the administration of drugs to paediatric inpatients, and proposes corrective actions.

Child↗
PubMed1985

Detection of bacteremia in leukemic patients by early subcultures with a slide blood culture system.

During a three month study, 433 sets of blood culture were collected from 140 patients hospitalized in the hematology unit, most of these blood cultures were collected from leukemic patients being treated by chemotherapy producing aplasia. Blood was distributed into three bottles, one containing Schaedler Broth and the others tryptic soy broth (TS). We tried to compare two different blind subculture systems: conventional subculture (CS) onto Petri dishes chocolate agar and a coated agar slide (slide) attached onto the TS bottle, thus the blood culture broth can be subcultured by tipping the bottle. The first subculture was performed at the same time for both bottles after a mean time of incubation of 12,4 hours (st. dev. 3.3 hours). There was no statistically significant difference for the recovery of pathogens, 30 with the slide and 29 with CS. Among the 30 slide positive blood cultures, six: 4 pseudomonas, 2 streptococcus, were detected by direct observation of colonies before any evidence of broth disturbance. When comparison was made according to the detection observed with the first, second or third subculture, a slight advantage was obtained with CS since 72.4% of them were positive with the first subculture versus 60% with the slide. During the first round of evaluation an higher contamination rate was observed with the slide 6.4% versus 2% for CS. The great majority of contaminated bottles were collected in one of the three hematology subunits. Contamination rate dropped following a teaching campaign bout aseptic collection and distribution of blood into the bottles.(ABSTRACT TRUNCATED AT 250 WORDS)

Bacteriological Techniques↗
PubMed1994

Medical resource allocation: rationing and ethical considerations--Part I.

The United States' system of high-quality but expensive and poorly distributed medical care is in trouble. Dramatic advances in medical knowledge and procedures, combined with soaring demands created by growing public awareness, the cost of private hospital and medical insurance, and Medicare and Medicaid, are burdening the medical care delivery systems. The costs of medical care have reached levels that can no longer be sustained. Government officials, insurance planners, labor leaders responsible for union health care benefits, and ordinary citizens are questioning whether it is acceptable to limit health care based on economic considerations. If health care is deemed a social good, the method of allocation must be addressed. Unless society decides that other priorities of the infrastructure are to be subjugated to health service delivery, difficult decisions will be forced upon us, consciously or by default. The discussion in this two-part article explores the ethical considerations of the more formalized approaches to resource allocation that presently exist in our society.

Aged↗
PubMed1985

Analysis of the online order entry process in an integrated hospital information system.

In Kochi Medical School Hospital, many online order systems have been developed as a part of the integrated hospital information system named IMIS KOCHI. The prescription, laboratory and radiology orders are used frequently and entered into the system by physicians. The distribution of entry duration of these orders by physicians was analyzed and it was found that the order entry is a completely random event and the entry process consists of the two Poisson processes; the quick process and the slow process. The two Poisson processes were observed even in the do-prescription order without correction by trained physicians. It is speculated that the quick process depends on availability in the order entry system and the slow process depends on peculiarities in clinics, and the mental condition of physicians.

Drug Prescriptions↗