• Title/Summary/Keyword: Retrospective Control Chart

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[ $\overline{X}$ ] Chart with Geometrically Adjusted Control Limits under Continually Improving Processes (지속적으로 향상되는 공정에서 기하 조정 관리한계를 사용한 $\overline{X}$ 관리도)

  • Ryu, Mi-Jung;Park, Chang-Soon
    • Journal of Korean Society for Quality Management
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    • v.34 no.4
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    • pp.125-132
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    • 2006
  • An adjusted control limit of the $\overline{X}$ chart is proposed for monitoring the continually improving processes. The continual improvement of the process implies the decrease of the process variance, which is represented by a logistic curve. The process standard deviation is estimated by the exponentially weighted moving average of the sample standard deviations from the past to the current times. The control limits are adjusted by the estimated standard deviation at every sampling time. The performance of the adjusted control limit is compared with that of the standard control limits for various cases of the decreasing speed and size of the variance. The results show that the $\overline{X}$ chart with the adjusted control limits provides better performances for monitoring the small and moderate shifts in continually improving processes.

Gamitaeeumjowee-Tang for weight loss in diabetic patients: A retrospective chart review (당뇨 환자의 체중감량을 위한 가미태음조위탕의 임상적 활용: 후향적 차트 리뷰)

  • Lee, A-Reum;Lee, Da-Yeon;Kim, Min-Ji;Lee, Hyang-Sook;Choi, Ka-Hye;Kim, Seo-Young;Lim, Young-Woo;Park, Young-Bae
    • The Journal of Korean Medicine
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    • v.42 no.1
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    • pp.46-58
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    • 2021
  • Objectives: The purpose of this study is to report weight changes and analyze adverse events in diabetic patients with Gamitaeeumjowee-Tang for weight loss. Methods: A retrospective chart review of weight change and adverse events was performed during the 10-week weight loss program using Gamitaeeumjowee-tang with low-calorie diets for diabetics(n=61). Weight and BMI changes were compared before and after the program and calculated the percentage of people who lost more than 5% of their weight, also identified whether subjects felt satiated or not. Adverse events were evaluated in terms of causality, severity and system-organ classes. Results: After 10-week weight loss program, significant weight loss (5.9±2.32kg, 7.73% reduction from baseline) and BMI reduction (2.9±0.86) were reported (n=61). Those who lost more than 5 percent of their body weight accounted for 88.5%, and also 88.5% of the participants felt full to help control their appetite. In assessing the causality of adverse events, 'Unlikely' was the most common (66%) and in severity evaluations, almost all symptoms were mild. Insomnia was the most frequently reported during the first 8 weeks, and constipation was reported the most afterwards. Conclusions: A combination of Gamitaeeumjowee-tang and low-calorie diets for 10 weeks appears to help weight reduction without serious adverse events in diabetic patients. Future well-designed prospective clinical studies testing the effectiveness and safety of this weight loss program are warranted.

Risk of lingual nerve injuries in removal of mandibular third molars: a retrospective case-control study

  • Tojyo, Itaru;Nakanishi, Takashi;Shintani, Yukari;Okamoto, Kenjiro;Hiraishi, Yukihiro;Fujita, Shigeyuki
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.41
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    • pp.40.1-40.7
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    • 2019
  • Background: Through the analysis of clinical data, we attempted to investigate the etiology and determine the risk of severe iatrogenic lingual nerve injuries in the removal of the mandibular third molar. Methods: A retrospective chart review was performed for patients who had undergone microsurgical repair of lingual nerve injuries. The following data were collected and analyzed: patient sex, age, nerve injury side, type of impaction (Winter's classification, Pell and Gregory's classification). Ratios for the respective lingual nerve injury group data were compared with the ratios of the respective data for the control group, which consisted of data collected from the literature. The data for the control group included previous patients that encountered various complications during the removal of the mandibular third molar. Results: The lingual nerve injury group consisted of 24 males and 58 females. The rate of female patients with iatrogenic lingual nerve injuries was significantly higher than the control groups. Ages ranged from 15 to 67 years, with a mean age of 36.5 years old. Lingual nerve injury was significantly higher in the patient versus the control groups in age. The lingual nerve injury was on the right side in 46 and on the left side in 36 patients. There was no significant difference for the injury side. The distoangular and horizontal ratios were the highest in our lingual nerve injury group. The distoangular impaction rate in our lingual nerve injury group was significantly higher than the rate for the control groups. Conclusion: Distoangular impaction of the mandibular third molar in female patients in their 30s, 40s, and 50s may be a higher risk factor of severe lingual nerve injury in the removal of mandibular third molars.

Overweight & Obesity in Children & Adolescents with Autism Spectrum Disorders - Retrospective Chart Review - (자폐스펙트럼장애(Autism Spectrum Disorder) 소아청소년에서의 과체중 및 비만 연구 - 후향적 의무기록 조사 -)

  • Im, Woo Young
    • Korean Journal of Psychosomatic Medicine
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    • v.23 no.2
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    • pp.129-135
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    • 2015
  • Objectives : In children and adolescents, the prevalence of overweight has increased in the last 20 years. little research is available on the prevalence of obesity in children with autism spectrum disorders(ASD). The purpose of our study was to determine the prevalence of overweight among a clinical population of children diagnosed with autism spectrum disorders(ASD). Methods : Retrospective chart review of children ages 3-18 years seen between 2012 and 2015 at a Konyang University hospital psychiatric clinic. Diagnostic, medical, and demographic information was extracted from the charts. Body mass index(BMI) was calculated from measures of height and weight recorded in the child's chart. The Center for Disease Control's BMI growth reference was used to determine an age and gender-specific BMI z-score for the children. Results : In our study, children with ASD compared to non ASD group had significantly higher BMI percentiles (p=0.032). The prevalence of overweight($BMI{\geq}85th$ to 95th percentiles) and obesity($BMI{\geq}95th$ percentiles) was 35% and 19% respectively in children with ASD and without ASD. Conclusions : Despite noted limitations, our data suggest that overweight and obesity in children with ASD are more prevalent than without ASD. Longitudinal and further study is needed to examine the factors associated with obesity in this population.

Effect of Non-contact Korean Medical Treatment for Patients Recovering at Home with Positive Coronavirus Disease 2019 Diagnostic Test Results at a Local Public Health Center: A Retrospective Chart Review (지역 보건소에서 시행한 코로나 바이러스 감염증-19 진단 검사상 양성인 재택치료 환자의 비대면 한의진료 효과: 후향적 차트 리뷰)

  • Jeon, Chaeheun;Choi, Daejun;Kim, Gyeongmuk;Kim, Hyejin;Leem, Jungtae;Chi, Gyoo-yong
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.36 no.4
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    • pp.130-137
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    • 2022
  • Due to the coronavirus disease 2019 (COVID-19) pandemic, appropriate management of sequelae and treatment of infectious symptoms became increasingly important healthcare issues. Although the practice guidelines and treatment cases based on the East Asian traditional medicine have been reported, there are rare studies on the use of Korean medicine in Korea. Therefore, this study aimed to present the progress of non-contact Korean medical treatment for infected patients at a local public health center using retrospective chart review. A total of 18 patients were prescribed with 5 days of herbal decoction and medicine extract covered by the national health insurance. With the questionnaire form, the progression and improvement of symptoms before and after treatment were evaluated using the numerical rating scale (NRS), and the treatment satisfaction and opinions were obtained. The symptoms such as cough (5.56±2.23 to 2.89±2.14), sputum (6.11±1,75 to 3.28±2.47), sore throat (6.06±2.70 to 1.47±1.62), anorexia (5.56±2.63 to 1.94±2.21), nausea (3.75±1.71 to 1.17±1.11), diarrhea (3.40±2.63 to 1.50±1.51), chest tightness (4.93±2.46 to 2.29±2.30) and fatigue (6.44±1.79 to 2.67±1.88) all improved according to the NRS, and the satisfaction with herbal medicine treatment on a 5-point Likert scale was 4.24±0.90. No side effects and adverse reactions were reported. Thereupon non-contact Korean medical treatment can be concluded that it effectively reduces the COVID-19 infection mild symptoms in restrictive extent. Since the retrospective data does not include a control group, the more confirmative data is needed by multicenter and large-scale controlled clinical study afterwards.

Development and Evaluation of Anticoagulation Clinical Pharmacy Sevice for Ambulatory Patients in a Community Hospital (병원 외래환자를 대상으로 한 항응고임상약학업무의 개발과 평가에 대한 연구)

  • Choi Soo Im;Shin Hyun Taek;Choi HaeMi;Kim Jung Sun;An JungSoon;Choi Kyoung Eob
    • Korean Journal of Clinical Pharmacy
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    • v.5 no.2
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    • pp.17-31
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    • 1995
  • Pharmacist-managed Anticoagulation Service(ACS) was estabilished and the effectiveness of warfarin monitoring by ACS in maintaining therapeutic INR was evaluated. The primary goal of ACS is to maximize the control of therapy, to maintain therapeutic INR and to decrease morbidity and hospitalization caused by inadequate dosage regimen. Clinical pharmacists performed chartreview, laboratory interpretation, recommendations for warfarin dosage adjustments, physician and patient education, and coordination of follow-up in ACS. Patients receiving warfarin sodium were evaluated via retrospective chart review. Sixty-two patients were referred to ACS by primary physicians were compared with 117 patients in the physician-amtrolled group. The ACS patients maintained $88.6\%$ in the therapeutic range for anticoagulant therapy and the control group maintained $63.7\%$, where the difference was statistically significant.(P<0.001) The ACS improved warfarin dose determination, PT stability, patient compliance and provided improved therapy compared with the control group. ACS offers safe and efficient anticoagulant therapy in the ambulatory setting.

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Retrospective Review of Effectiveness of Various Pharmacological Agents in Treating Burning Mouth Syndrome

  • Im, Yeong-Gwan;Kim, Byung-Gook;Kim, Jae-Hyung
    • Journal of Oral Medicine and Pain
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    • v.41 no.1
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    • pp.21-25
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    • 2016
  • Purpose: Burning mouth syndrome (BMS) is a chronic pain condition involving the oral and perioral regions, often characterized by a burning sensation and pain in elderly patients. In this study, we investigated the effectiveness of pharmacological agents for the treatment of BMS patients through a retrospective chart review. Methods: We enrolled 61 BMS subjects (57 females, 4 males; $66.4{\pm}10.9$ years of age) from among consecutive patients treated pharmacologically from January 2014 to June 2015 at Chonnam National University Dental Hospital. Patients with secondary BMS associated with local factors were excluded. The treatment period, number of pharmacological agents tried, and effectiveness of the drugs administered to each subject were analyzed. Results: The mean treatment period for the management of BMS was 2.5 months. More than three agents were tried to control BMS symptoms in 17 subjects (27.9%); two agents were used in 10 subjects (16.4%), and a single agent in 24 subjects (39.3%). Clonazepam was prescribed most frequently and was effective at relieving symptoms in 30 of 39 subjects (76.9%). Paroxetine was moderately effective, relieving symptoms in 7 of 17 subjects (41.2%). Some of the subjects benefited from tricyclic antidepressants, gabapentin, and lipoic acid. A topical local anesthetic used to supplement other systemic agents had ameliorating effects in four of six subjects. Conclusions: Within the study limitations, clonazepam was the most effective drug and antidepressants were efficacious in some subjects for relieving the symptoms of BMS. These pharmacological agents could be considered as first-line drugs for the management of BMS.

Adverse Events of Electronic Moxibustion Treatment for Knee Osteoarthritis: Case Reports and a Literature Review

  • Oh, Yoona;Lee, Jisun;Kim, Yeonhak;Kim, Eun Seok;Kim, Kun Hyung;Lee, Byung Ryul;Yang, Gi Young
    • Journal of Acupuncture Research
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    • v.39 no.1
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    • pp.29-35
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    • 2022
  • Background: Electronic moxibustion has the advantage of temperature control and maintenance, and overcomes the limitations of the existing moxibustion process without the use of the combustion process. However, as the application of electronic moxibustion in clinical practice has increased, safety issues are emerging. Methods: Clinical cases of electronic moxibustion treatment for knee osteoarthritis where burns occurred were collected. In addition, adverse events reported in clinical studies using electronic moxibustion for patients with knee osteoarthritis were collected from studies retrieved from Korean and international databases. Results: There were 3 cases of superficial 2nd degree burns retrospectively collected through chart reviews. Among the selected 5 studies for literature review, 2 studies reported adverse events which were burns milder than those reported in these 3 cases in this retrospective case review. Conclusion: Since the risk of superficial 2nd degree burn was discovered in the cases reviewed, further research on safe electronic moxibustion treatment is required without compromising the effectiveness of moxibustion.

Risk Factors for Mutidrug-Resistant Organisms Carriage Among Home Health Nursing Patients (의료기관 가정간호 대상자의 다제내성균 보유 위험요인)

  • Park, Min-A;Jang, Jung Sook;Cho, Young Yi;Choi, Ji Yeon;Lee, Jong-Eun
    • Journal of Korean Academic Society of Home Health Care Nursing
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    • v.30 no.2
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    • pp.155-162
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    • 2023
  • Purpose: This study was conducted to identify the status and risk factors for the carriage of multidrug-resistant organisms carriage in home health nursing patients. Methods: This retrospective study enrolled 122 participants who received home health nursing and analyzed the data obtained from chart review and diagnostic tests for multidrug-resistant organisms carriage from January 2019 to January 2021. Results: Multivariate analysis revealed that surgical procedures in the preceding year, injectable antibiotic use in the preceding month, pressure ulcer, and indwelling nasal tubes were significantly associated with multi-drug resistant infection. Conclusions: Infection-control strategies need to be developed and customized for use in the home health-nursing service for patients who are carriers of multidrug-resistant organisms.

A single injection of saphenous nerve block reduces postoperative bleeding after total knee arthroplasty (무릎전치환술 환자에서 일회성 복재신경차단술이 수술 후 출혈량 감소에 미치는 영향)

  • Choi, Yun Suk;Yun, So Hui;Cho, Seung Yeon;Song, Seung Eun;Kim, Sang Rim
    • Journal of Medicine and Life Science
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    • v.18 no.1
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    • pp.11-15
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    • 2021
  • In elderly patients, the vital parameters tend to fluctuate based on the blood volume status, which may cause sudden hypovolemic shock if the postoperative bleeding continues. Particularly, those who undergo surgery for arthritis needs to pay extra attention because the bleeding may persist over the joints after the surgery. Therefore, appropriate pain control is required to reduce the postoperative blood loss. This retrospective chart review study was conducted to assess the postoperative pain control and reduction of blood loss with a single injection of saphenous nerve block (SNB) in elderly patients with osteoarthritis. We reviewed the electronic medical records of patients who underwent knee total arthroplasty with spinal anesthesia between January and May 2016. A total of 51 patients participated in this study. All patients were treated with intravenous patient-controlled analgesia for the postoperative pain control, and additional analgesic agents were administered at a visual analogue scale above a score of 6. In 25 patients, SNB was performed using ultrasound with the administration of 0.75% ropivacaine (15 mL) after the surgery. Patients who received additional analgesics were significantly low in the nerve block group (P=0.009). Additionally, the volume of blood loss from catheter drainage was significantly low at 2 and 3 days postoperatively (P=0.013 and P=0.041, respectively) in the nerve block group. In patients who underwent total knee arthroplasty with osteoarthritis, only a single injection of saphenous nerve block was sufficient for the postoperative pain control and reduced bleeding.