Journal of the Economic Geographical Society of Korea
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v.1
no.2
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pp.71-84
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1998
Health has been seen as a resource necessary for both maintaining oneself and for living in a society pursuing high quality of life. Therefore, the medicare provision takes place of one of the most significant indexes for evaluating the regional welfare level. The purpose of this study is to investigate the locational characteristics of medicare service facilities. For the purpose, the distribution patterns of the medicare resources are analyzed both at the regional and local scales. The medicare resources are concentrated at the Metropolitan Seoul area in the regional scale, and they are also concentrated at the economic core areas in the local scale. Especially, higher level medicare resources, such as the general hospitals and medical specialists, show more concentration at the economic core areas than lower level services. This means that access to opportunities to receive higher level medicare is poorer in a more socially disadvantaged area. Since medicare service facilities are invested and operated by both private and public sectors, whose locational mechanisms are deferent, we analyzed the distribution patterns. Most medicare facilities are invested and managed by private sector in Korea, which is operated by market mechanism. This is related with the fact that the medicare facilities are concentrated at the economic core areas. The proportion of private sector is higher in the Metropolitan Seoul area, and thus this region shows stronger spatial disparity of medicare provision. In general, the medicare service facilities are located in the hierarchical structure, and thus the services levels and facility scales are differentiated by the hierarchy. We examined the hierarchical structure in the medicare service facilities in Korea. The referral medicare system has been applied with the assumption of the three level hierarchical structures in Korea. However, we could not find any distinct hierarchical structure in the scales of the medical service facilities.
The purposes of this study were 1) to review the Medical Nutrition Therapy (MNT) Act of the United States, 2) to introduce the efforts of the American Dietetic Association (ADA) to expand the Medicare coverage for MNT and 3) to provide information about the reimbursement under Medicare Part B for the cost of MNT. The MNT Act defined MNT services as “the nutritional diagnostic, therapeutic, and counseling services provided by a Registered Dietitian or nutritional professional for the purpose of managing diabetes or renal diseases”. Also, the MNT Act defined “conditions for coverage of MNT”, “limitations on coverage of MNT”, and “qualifications of MNT service provider”. To expand the coverage of Medicare to include MNT, the ADA realized the need for development of a protocol for MNT, as well as studies to evaluate the effectiveness and cost-effectiveness of the MNT protocol developed. Therefore, the ADA supported the studies to develop a strong database of scientific investigations of nutritional services. Furthermore, the ADA needed credible data that could be used by Policy makers, so the ADA contracted with the Lewin Group to if out the study to gather the additional data needed to strengthen the ADA's position. In the report of the Lewin Group, which was entitled, “The Cost of Covering Medical Nutrition Therapy under Medicare : 1998 through 2004”, it was concluded, that if coverage for MNT in the Part B portion of Medicare had begun in 1998, by 2004, approximately $ 2.3 billion would have been saved through reduced hospital spending under Part A of Medicare ($ 1.2 billion) and reduced physician visits under Part B ($ 1.1 billion) Effective January 1 2002, the US Congress extended Medicare coverage to include MNT to beneficiaries with diabetes or renal diseases. The Centers for Medicare and Medicaid Services (CMS) established the duration and frequency for the MNT based on published reports or generally accepted protocols (for example, protocols suggested by the ADA). The number of hours covered by Medicare is 3 hours for the initial MNT and 2 hours for a follow-up MM. In 2002, a Medicare coverage policy was made to define the Physician's Current Procedural Terminology (CPT) codes 97802, 97803, and 97804 for MNT.
Journal of the Korea Academia-Industrial cooperation Society
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v.3
no.3
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pp.221-226
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2002
The SGR system which is the basis for setting Medicare conversion factor updates was enacted since 1992. The SGR sets a target rate of spending growth based on factors influencing medical costs. In our situation of Fee Contracts in Korea, there exist much conflicts with SGR. This article seeks how we can implement the SGR system successfully in Korea. The major points are estimation of real economic parameters, adjustment of prior estimation, consideration of important factors influencing medical costs.
Kim, Joo-Ja;Lee, Jung-Ja;Park, Hee-Sook;Nam, Taik-Sung
Journal of agricultural medicine and community health
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v.4
no.1
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pp.20-30
/
1979
To investigate the status of morbidity and medicare utilization during last 8 months from 1 st Oct. 1977 to 31th May, 1978 in the area under Sam-Wha Medicare Insurance Union, a study was carried out through analyzing the medicare records of patients who are enrolled. For the study, 3 doctors and one nurse were mobilized and the results are as follows: 1) The total number of the Medicare insurance Union members in the study area were 5,735 composed of 3,000 males(52.3%) and 2,735 females(47.7%). 2) The total number of patients were 1,405 composed of 783 males (55. 0%) and 622 females(45. 0%) and the incidence rate per 1,000 population was 245.0 of total(261.0 in males and 227.4 in females). 3) Five major diseases with 52, 7% of total patients were acute upper respiratory infection(20.7%), peptic ulcer(12.2%), bronchitis(5.5%), injuries(5.2%) and dental problems(5.1%). 4) The order of the incidence rate of age group per 1,000 population was the year group on 0-4(342.6), 25-44(312.7), 45-64(307.0), 65 and over(240.3), 15-24(178.8) and 5-14(164.8). 5) Of the 1,405 total patients, the out-patients were 1,661(96.9%) and the in-patients were 44(3.1%) and the ratio wae 30.9 : 1.0. 6) Among the out-patients 96.7% of them were cared in primary medicare facilities, 1.0,% in secondary care, and 2.3% in tertiary care. And among the in-patients 50. 5% of them were cared in primary medicare facilities, 4. 5% in secondary care, 45. 5% in tertiary care. 7) Duration of medicare was concentrated within a week in 84. 3% of total patients.
This study examines the use of medical care by the poor through analysing KNHANES III databases, and the focus of the study is on under-satisfaction of medical needs and the impact of the medicare system. The results of analysis are summerized as follows; the poor had generally suffered from poor health condition, and did not have economic resoure to satisfy the medical needs. But, the beneficiaries of the medicare used much more medical care than non-poor. The result of logistic regression suggest that the medicare affected significantly on increase of uses. Consquently, the medicare system effectively made up the lack of economic resoure of the poor. However, the Medicare did not sufficient to satisfy all the medical needs of the poor. Over 20% of the poor had experinced the abandonment of meical care uses, "the lack of econmic resource" was most important reason. The result of logistic regression suggest that all the poor such as Medicare I and Medicare II beneficiaries, and near-poor class had much more probabilities of giving up the use of medical care than non-poor. It is necessary to raise up the benefit level of the current medicare system such as the reduction of non-secured medical cost, the alleviation of user's burden etc.
The major objective of this research is to identify those hospital characteristics that best explain cost variation among hospitals and to formulate linear models that can predict hospital costs. Specific emphasis is placed on hospital output, that is, the identification of diagnosis related patient groups (DRGs) which are medically meaningful and demonstrate similar patterns of hospital resource consumption. A casemix index is developed based on the DRGs identified. Considering the common problems encountered in previous hospital cost research, the following study requirements are estab-lished for fulfilling the objectives of this research: 1. Selection of hospitals that exercise similar medical and fiscal practices. 2. Identification of an appropriate data collection mechanism in which demographic and medical characteristics of individual patients as well as accurate and comparable cost information can be derived. 3. Development of a patient classification system in which all the patients treated in hospitals are able to be split into mutually exclusive categories with consistent and stable patterns of resource consumption. 4. Development of a cost finding mechanism through which patient groups' costs can be made comparable across hospitals. A data set of Medicare patients prepared by the Social Security Administration was selected for the study analysis. The data set contained 27,229 record abstracts of Medicare patients discharged from all but one short-term general hospital in Connecticut during the period from January 1, 1971, to December 31, 1972. Each record abstract contained demographic and diagnostic information, as well as charges for specific medical services received. The 'AUT-OGRP System' was used to generate 198 DRGs in which the entire range of Medicare patients were split into mutually exclusive categories, each of which shows a consistent and stable pattern of resource consumption. The 'Departmental Method' was used to generate cost information for the groups of Medicare patients that would be comparable across hospitals. To fulfill the study objectives, an extensive analysis was conducted in the following areas: 1. Analysis of DRGs: in which the level of resource use of each DRG was determined, the length of stay or death rate of each DRG in relation to resource use was characterized, and underlying patterns of the relationships among DRG costs were explained. 2. Exploration of resource use profiles of hospitals; in which the magnitude of differences in the resource uses or death rates incurred in the treatment of Medicare patients among the study hospitals was explored. 3. Casemix analysis; in which four types of casemix-related indices were generated, and the significance of these indices in the explanation of hospital costs was examined. 4. Formulation of linear models to predict hospital costs of Medicare patients; in which nine independent variables (i. e., casemix index, hospital size, complexity of service, teaching activity, location, casemix-adjusted death. rate index, occupancy rate, and casemix-adjusted length of stay index) were used for determining factors in hospital costs. Results from the study analysis indicated that: 1. The system of 198 DRGs for Medicare patient classification was demonstrated not only as a strong tool for determining the pattern of hospital resource utilization of Medicare patients, but also for categorizing patients by their severity of illness. 2. The wei틴fed mean total case cost (TOTC) of the study hospitals for Medicare patients during the study years was $11,27.02 with a standard deviation of $117.20. The hospital with the highest average TOTC ($1538.15) was 2.08 times more expensive than the hospital with the lowest average TOTC ($743.45). The weighted mean per diem total cost (DTOC) of the study hospitals for Medicare patients during the sutdy years was $107.98 with a standard deviation of $15.18. The hospital with the highest average DTOC ($147.23) was 1.87 times more expensive than the hospital with the lowest average DTOC ($78.49). 3. The linear models for each of the six types of hospital costs were formulated using the casemix index and the eight other hospital variables as the determinants. These models explained variance to the extent of 68.7 percent of total case cost (TOTC), 63.5 percent of room and board cost (RMC), 66.2 percent of total ancillary service cost (TANC), 66.3 percent of per diem total cost (DTOC), 56.9 percent of per diem room and board cost (DRMC), and 65.5 percent of per diem ancillary service cost (DTANC). The casemix index alone explained approximately one half of interhospital cost variation: 59.1 percent for TOTC and 44.3 percent for DTOC. Thsee results demonstrate that the casemix index is the most importand determinant of interhospital cost variation Future research and policy implications in regard to the results of this study is envisioned in the following three areas: 1. Utilization of casemix related indices in the Medicare data systems. 2. Refinement of data for hospital cost evaluation. 3. Development of a system for reimbursement and cost control in hospitals.
The Journal of Churna Manual Medicine for Spine and Nerves
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v.6
no.1
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pp.141-148
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2011
Objectives : To introduce the medicare listing system for the clinicians that korean society of Chuna manual medicine for spine and nerves applies presently and wants to promote. Methods : Compare and analyse the differences, merits and demerits between Palmer-Gonstead listing system and medicare listing system using the publications and literatures of Chuna manual medicine and chiropractic. Results : It is easy to explain the movements and subluxations of spine when using medicare listing system. Also it has simple terminological system that can be applied when diagnosing the lesion of spinal joints with various palpations, Conclusion : Listing system used by Korean society of Chuna manual medicine for spine and nerves presently has very appropriate forms to indicate the movements and subluxations, However, it needs to spread to clinicians who still are using former listing system by continuous education.
Karve, Sudeep;Lorenzo, Maria;Liepa, Astra M;Hess, Lisa M;Kaye, James A;Calingaert, Brian
Journal of Gastric Cancer
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v.15
no.2
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pp.87-104
/
2015
Purpose: To assess real-world treatment patterns, health care utilization, costs, and survival among Medicare enrollees with locally advanced/unresectable or metastatic gastric cancer receiving standard first-line chemotherapy. Materials and Methods: This was a retrospective analysis of the Surveillance, Epidemiology, and End Results-Medicare linked database (2000~2009). The inclusion criteria were as follows: (1) first diagnosed with locally advanced/unresectable or metastatic gastric cancer between July 1, 2000 and December 31, 2007 (first diagnosis defined the index date); (2) ${\geq}65$ years of age at index; (3) continuously enrolled in Medicare Part A and B from 6 months before index through the end of follow-up, defined by death or the database end date (December 31, 2009), whichever occurred first; and (4) received first-line treatment with fluoropyrimidine and/or a platinum chemotherapy agent. Results: In total, 2,583 patients met the inclusion criteria. The mean age at index was $74.8{\pm}6.0years$. Over 90% of patients died during follow-up, with a median survival of 361 days for the overall post-index period and 167 days for the period after the completion of first-line chemotherapy. The mean total gastric cancer-related cost per patient over the entire post-index follow-up period was United States dollar (USD) $70,808{\pm}56,620$. Following the completion of first-line chemotherapy, patients receiving further cancer-directed treatment had USD 25,216 additional disease-related costs versus patients receiving supportive care only (P<0.001). Conclusions: The economic burden of advanced gastric cancer is substantial. Extrapolating based on published incidence estimates and staging distributions, the estimated total disease-related lifetime cost to Medicare for the roughly 22,200 patients expected to be diagnosed with this disease in 2014 approaches USD 300 millions.
The United States adopted DRG based prospective payment system (PPS) in order to control the inflation of health care costs. No study used statistical test while many studies reported the cost containing effect of the PPS. To study impacts of the PPS on the Medicare expenditure, this study set the following three hypotheses (1) The PPS decelerated the increase in the hospital expenditure (Part A), (2) the PPS accelerated the increase in the expenditure of outpatients and physicians (Part B), (3) the increase in total expenditure was decelerated inspite of the spill over (substitution) effect because saving in the Part A expenditure were greater than losses in the Part B expenditure. The dependent variables are per capita hospital expenditure, per capita Part B expenditure, and per capita total expenditure for the Medicare beneficiaries. An intervention analysis, which added intervention effect to the time series variation on the Box-Jenkins model, was used. The observations included 120 months from 1978 to 1987. The results are as follows : (1) The annual increase in the per capita Part A expenditure was $5.11 after the implementation of DRG where as that before the PPS had been $11.1. The effect of the reduction ($5.99) was statistically significient (t=-3.9). (2) The spill over (substitution) effect existed because the annual increase in the per capita Part B expenditure was accelerated by $1.73 (t=1.91) after the implementation of the PPS. (3) The increase in the total Medicare expenditure per capita was reduced by $4.26 (t=-2.19) because the spill over effect was less than cost savings in the Part A expenditure.
Dendritic cells play a very important role in the immune response as antigen-presenting cells that are critical for initiating both innate and acquired immunity. They recognize, process and present foreign antigens to other key immune cells to trigger and regulate the immune response. The ability to activate these dendritic cells can be used as a treatment for various immune diseases. Maqui berry has been reported to have anticancer, antibacterial and anti-inflammatory properties. However, its effect on the activity of dendritic cells has not been studied. In this study, we investigated the efficacy of maqui berry extract in modulating dendritic cell activity. Treatment of dendritic cells with maqui berry extract induced the costimulatory molecules CD80, CD86, and MHC class I and II in a concentration-dependent manner. Furthermore, the antigen-presenting capacity of dendritic cells was inhibited, which confirms their ability to present antigens, and the production of Interleukin (IL)-12, which is important for dendritic cell activity, was increased. These results indicated that Maqui berry extract activates dendritic cells maturation by inducing the production of co-stimulatory molecules and IL-12. These results suggest that maqui berry extract may act as an effective adjuvant to enhance dendritic cell-based immune responses.
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