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1.
Diabetes Metab J ; 47(5): 693-702, 2023 09.
Article in English | MEDLINE | ID: mdl-37349080

ABSTRACT

BACKGRUOUND: Given the importance of continuous self-care for people with type 1 diabetes mellitus (T1DM), the Ministry of Health and Welfare of Korea launched a pilot program for chronic disease management. Herein, we applied a home care pilot program to people with T1DM to investigate its effects. METHODS: This retrospective cohort study was conducted at a single tertiary hospital (January 2019 to October 2021). A multidisciplinary team comprising doctors, nurses, and clinical nutritionists provided specialized education and periodically assessed patients' health status through phone calls or text messages. A linear mixed model adjusting for age, sex, and body mass index was used to analyze the glycemic control changes before and after implementing the program between the intervention and control groups. RESULTS: Among 408 people with T1DM, 196 were enrolled in the intervention group and 212 in the control group. The reduction in glycosylated hemoglobin (HbA1c) after the program was significantly greater in the intervention group than in the control group (estimated marginal mean, -0.57% vs. -0.23%, P=0.008); the same trend was confirmed for glycoalbumin (GA) (-3.2% vs. -0.39%, P<0.001). More patients achieved the target values of HbA1c (<7.0%) and GA (<20%) in the intervention group than in the control group at the 9-month follow-up (34.5% vs. 19.6% and 46.7% vs. 28.0%, respectively). CONCLUSION: The home care program for T1DM was clinically effective in improving glycemic control and may provide an efficient care option for people with T1DM, and positive outcomes are expected to expand the program to include more patients.


Subject(s)
Diabetes Mellitus, Type 1 , Humans , Diabetes Mellitus, Type 1/therapy , Glycated Hemoglobin , Retrospective Studies , Pilot Projects , Body Mass Index
2.
Ann Lab Med ; 42(1): 89-95, 2022 Jan 01.
Article in English | MEDLINE | ID: mdl-34374353

ABSTRACT

BACKGROUND: Total laboratory automation (TLA) is an innovation in laboratory technology; however, the high up-front costs restrict its widespread adoption. To examine whether the capital investment for TLA is worthwhile, we analyzed its clinical- and cost-effectiveness for the expected payback period. METHODS: Clinical chemistry tests and immunoassays performed in the clinical laboratory of a tertiary care hospital were divided into a post-TLA group, including 1,182,419 tests performed during December 2019, and a pre-TLA group, including 1,151,501 tests performed during December 2018. Laboratory information system data were used to measure clinical effectiveness, and depreciation data were used to calculate TLA costs. RESULTS: Laboratory performance improved after TLA adoption in all four key performance indicators: mean turn-around time (TAT), representing the timeliness of result reporting, decreased by 6.1%; the 99th percentile of TAT, representing the outlier rate, decreased by 13.3%; the TAT CV, representing predictability, decreased by 70.0%; and weighted tube touch moment (wTTM), representing staff safety, improved by 77.6%. Based on these effectiveness results, economic evaluation was performed using two approaches. First, the incremental cost-effectiveness ratio and wTTM were used as the most cost-effective performance indicators. Second, the expected payback period was calculated. Considering only staff cost reduction, it was anticipated that 4.75 yrs would be needed to payback the initial investment. CONCLUSIONS: TLA can significantly enhance laboratory performance, has a relatively quick payback period, and can reduce total hospital expenses in the long term. Therefore, the capital investment for TLA adoption is considered to be worthwhile.


Subject(s)
Automation, Laboratory , Clinical Laboratory Services , Cost-Benefit Analysis , Humans , Laboratories , Tertiary Care Centers
3.
J Am Soc Echocardiogr ; 19(6): 777-80, 2006 Jun.
Article in English | MEDLINE | ID: mdl-16762756

ABSTRACT

BACKGROUND: Previous studies demonstrated impaired coronary vasodilatory response (VR) to nitroglycerin (NG) in patients with coronary atherosclerosis. We hypothesized that the effect of the NG on the coronary blood flow (CBF) is negligible compared with its effect on the epicardial coronary artery dilatation and, therefore, that CBF velocity reduction after NG can reflect the magnitude of epicardial coronary artery dilatation. METHODS: Quantitative coronary angiography was performed at the left anterior descending coronary artery (LAD) before and after intracoronary NG (200 mug) infusion in 18 patients with normal-looking coronary angiogram. VR assessed by quantitative coronary angiography (VRangio) was defined as: (LAD diameter after NG)(2)/(LAD diameter before NG)(2). Mean values measured at the ostium and at the junction of mid and distal LAD were used in the analysis. Diastolic CBF velocity was evaluated by using a 7-MHz transducer at the distal LAD before and 3 minutes after sublingual NG. VR assessed by echocardiography (VRecho) was defined as: (mean diastolic CBF velocity before sublingual NG)/(mean diastolic CBF velocity after sublingual NG). In 11 patients, plaque burden was assessed by intravascular ultrasound and results were compared with VRangio and VRecho. RESULTS: VRecho was found to correlate well with VRangio (r = 0.71, P = .001), and VRangio and VRecho showed significant negative correlations with plaque burden (r = -0.66, P = .03; r = -0.77, P = .005, respectively). CONCLUSIONS: VR to NG can be evaluated noninvasively with transthoracic Doppler echocardiography.


Subject(s)
Coronary Artery Disease/diagnostic imaging , Coronary Circulation/drug effects , Echocardiography/methods , Image Enhancement/methods , Nitroglycerin/administration & dosage , Vasodilation/drug effects , Blood Flow Velocity/drug effects , Coronary Vessels/diagnostic imaging , Coronary Vessels/drug effects , Echocardiography, Doppler/methods , Female , Humans , Infusions, Intra-Arterial , Male , Reproducibility of Results , Sensitivity and Specificity
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