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1.
Palliative Care Research ; : 156-165, 2016.
Article in Japanese | WPRIM | ID: wpr-378223

ABSTRACT

Purpose: This survey aimed to develop a methodology for measuring the quality indicators of end-of-life care for cancer patients using the Japanese National Database, which was comprised of the health insurance claim data of all Japanese people. Methods: Life-sustaining treatment (LST) and chemotherapy near the time of death are accepted as reliable indicators of poor quality end-of-life care. To measure these, the Sampling Data Set (SDS) from the National Database (NDB) was used. Results: 1,233 cancer patients were studied, who had died from 14th to 31st October, 2012. The rates of LST and chemotherapy in the final 14 days of life were 8.2% (95%CI 6.7-10.1), 3.5% (2.6-4.8) for inpatients (n=1,079) respectively. In the SDS, 27-70% of chemotherapy drugs were not named, in order to prevent identification of patients receiving rare treatment. Discussion: The figures for rates of chemotherapy might be underestimated in the sampling data set, because of the anonymization of rare treatment. And in-patient and out-patient data may in some cases have been duplicated when entries applied to the same person. In the future using the NDB, it might be possible overcome some of these limitations.

2.
Palliative Care Research ; : 177-185, 2015.
Article in Japanese | WPRIM | ID: wpr-377115

ABSTRACT

Purpose:To explore a methodology for evaluating end-of-life (EOL) cancer care using diagnosis procedure combination (DPC) administrative data. Methods: We investigated care provided to inpatients whose deaths were attributed to cancer and occurred between August 2010 and December 2012. We measured the quality of palliative care by dividing the decedents into two groups: those who died in the palliative care unit (PCU) and those who died in the general wards(GW). Results: A total of 311 inpatient deaths were identified as cancer deaths. Of these, 147 patients were included in the PCU group and 164 in the GW group. We calculated the DPC data as follows: the rates of chemotherapy administered within 30 days before death (PCU 0%, GW 27%) and within 14 days before death (PCU 0%, GW 10%), admission to the intensive care unit (PCU 0%, GW 2%), life-sustaining interventions (PCU 0%, GW 3%), rehabilitation sessions (PCU 10%, GW 26%), emergency admission (PCU 2%, GW 27%), and antibiotics (PCU 32%, GW 28%). In the PCU group, rates of chemotherapy and emergency admission were significantly lower(<0.0001;<0.0001, respectively), and rehabilitation sessions were significantly higher (p=0.0002) than in the GW group. Conclusion: EOL care in a university hospital can be easily investigated using DPC data. Some limitations are the single-site study design, the health insurance system, and secondary use of administrative data. However, this methodology may be adapted to investigate the entire Japanese claim database and to evaluate EOL cancer care.

3.
Article in English | WPRIM | ID: wpr-375269

ABSTRACT

<b>Objective: </b>The purpose of this study was to clarify the importance of therapeutic drug monitoring (TDM) at acute care hospitals using Diagnosis Procedure Combination (DPC) data.<br><b>Methods: </b>We used DPC data from about 3,500,000 inpatients at about 950 acute care hospitals.  The investigation period was from July 2010 to December 2010.  Patients were divided into 2 groups: TDM intervention (<i>n</i>=22,012); and non-TDM intervention (<i>n</i>=26,400).  We compared the clinical indicators (length of hospital stay, payment based on performance and drug costs) and use of antimicrobials.<br><b>Results: </b>TDM intervention was carried out in 45.5% patients for whom an anti-MRSA agent was prescribed.  The duration of anti-MRSA agent administration was significantly longer in the TDM intervention group than in the non-TDM intervention group.  The total daily cost of anti-MRSA agents was significantly lower in the TDM intervention group than in the non-TDM intervention group.<br><b>Conclusion: </b>Our results suggest that TDM intervention is often performed for seriously ill patients who require continuous treatment.  TDM intervention may prevent adverse reactions as a result of adjusting the dosage of the anti-MRSA agent.

4.
Article in English | WPRIM | ID: wpr-358394

ABSTRACT

<p><b>OBJECTIVES</b>With greater concern for efficient resource allocation and profiling of medical care, a case-mix classification was applied for the per-diem payment system in Japan. Many questions remain, one of which is the role of comorbidity and complication (CC) in grouping logic. We examined the association of the number of CC with the length of hospital stay (LOS) and hospital mortality as well as the proportion of LOS high outliers in 19 major diagnostic categories (MDCs).</p><p><b>METHODS</b>This study was a secondary data analysis embedded in a government research project, including anonymous claims and clinical data during a 4-month period from July 2002. Every 19 MDC, LOS, hospital mortality or proportion of LOS high outliers was compared by the number of CC and presence of any procedures.</p><p><b>RESULTS</b>From 82 special function hospitals, 241,268 patients were enrolled in this study. Among all patients, 50.5% were identified without any CCs, 32.4% with one or two, 13.4% with three or four, and 3.7% with over five CCs. The overall mean LOS was 22.15 days and hospital mortality 26.05 cases per 1,000 admissions. In any MDC, LOS and the proportion of outliers increased as the number of CC rose. The mortality rate increased prominently in the respiratory system and the hematology system.</p><p><b>CONCLUSIONS</b>This study demonstrated that the occurrence of more CC caused longer LOS and higher mortality in some major disease categories. Further study will clarify the association of the weighted CC with resource use through controlling procedures specific for MDC.</p>

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