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Contributing Factors on Pharmacokinetic Variability in Critically Ill Neonates.

Korean Journal of Clinical Pharmacy.2017;27(2):63-68. doi:10.24304/kjcp.2017.27.2.63

Neonates have large inter-individual variability in pharmacokinetic parameters of many drugs due to developmental differences. The aim of this study was to investigate the factors affecting the pharmacokinetic parameters of drugs, which are commonly used in critically ill neonates. Factors that reflect physiologic maturation such as gestational age, postnatal age, postconceptional age, birth weight, and current body weight were correlated with pharmacokinetic parameters in neonates, especially preterm infants. Comorbidity characteristics affecting pharmacokinetics in critically ill neonates were perinatal asphyxia, hypoxic ischemic encephalopathy, patent ductus arteriosus (PDA), and renal dysfunction. Administration of indomethacin or ibuprofen in neonates with PDA was associated with the reduced clearance of renally excreted drugs such as vancomycin and amikacin. Therapeutic hypothermia and extracoporeal membrane oxygenation were influencing factors on pharmacokinetic parameters in critically ill neonates. Dosing adjustment and careful monitoring according to the factors affecting pharmacokinetic variability is required for safe and effective pharmacotherapy in neonatal intensive care unit.
Amikacin ; Asphyxia ; Birth Weight ; Body Weight ; Comorbidity ; Critical Illness* ; Drug Therapy ; Ductus Arteriosus, Patent ; Gestational Age ; Humans ; Hypothermia, Induced ; Hypoxia-Ischemia, Brain ; Ibuprofen ; Indomethacin ; Infant, Newborn* ; Infant, Premature ; Intensive Care, Neonatal ; Membranes ; Oxygen ; Pharmacokinetics ; Vancomycin

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Providing Effective Feedback within Pharmacy Practice Education.

Jeong Hyun YOON

Korean Journal of Clinical Pharmacy.2017;27(2):55-62. doi:10.24304/kjcp.2017.27.2.55

Experiential education is a core curriculum of pharmacy education. In experiential education, formative feedback is an integral component of learning and teaching process. Feedback is defined as information provided by a preceptor regarding student's performance based on direct observation. With effective feedback, students can have opportunities to reinforce or correct behaviors and to acquire knowledge or skills. Students highly value and appreciate feedback. They rank provision of effective feedback as one of the most important qualities of preceptors. Preceptors, however, lack an understanding of feedback or practical skills necessary for providing effective feedback. As a result in reality, the feedback provided to students can be differentially effective in improving students' learning. This article describes a theoretical understanding of feedback including definition and value, as well as types of feedback. In addition, practical aspects in providing feedback, such as contents, timing, techniques, and models, are addressed. By understanding the value of feedback and mastering various feedback skills, preceptors will promote students' learning and enhance educational outcomes of experiential education.
Curriculum ; Education* ; Education, Pharmacy ; Formative Feedback ; Humans ; Learning ; Pharmacy* ; Students, Pharmacy

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Erratum: Current View of Orphan Drug Usage in Tertiary Hospital and Rare Incurable Disease Hospital.

Kyung Suk CHOI ; Young mi JEONG ; Yu Jeong KIM ; Yoon Hee KIM ; Hyunmin GU ; Byung Koo LEE ; Eunsook LEE ; Sandy Jeong RHIE

Korean Journal of Clinical Pharmacy.2016;26(3):267-267.

Erratum agreed to by all authors, editor in chief, publisher, and scientific society.

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Cold Medications Aggravated Rhabdomyolysis Symptoms Induced by Building Construction Work and Strenuous Exercise: a Case Report.

Hyonok YOON ; Yoon Jin JANG ; Si Nae PARK ; Eun Joo CHOI ; Soo Wan KIM

Korean Journal of Clinical Pharmacy.2016;26(3):264-266.

SUMMARY: A 21-year-old healthy Korean man worked on a building construction site every day for almost 2 months and exercised every day for 1 or 2 hours after working hard. He felt dizziness, nausea, and experienced vomiting and body aches immediately after exercise and immediately took cold medicines including acetaminophen, cimetidine, bepotastine, and Codenal? complex for the common cold symptoms for 2 days because he was scheduled to participate in navy training at that time. He complained of severe trapezius pain and aches in his left calf 3 days after joining the Navy training. Testing revealed creatine phosphokinase (CPK) 6260 U/L, myogloblin 176 mcg/L in the urine, liver enzymes increased, and oliguria, suggesting rhabdomyolysis. He recovered with intravenous fluids without any complications.
Acetaminophen ; Cimetidine ; Common Cold ; Creatine Kinase ; Dizziness ; Humans ; Liver ; Nausea ; Oliguria ; Rhabdomyolysis* ; Superficial Back Muscles ; Vomiting ; Young Adult

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Developing a Drug Information Leaflet of Antihypertensives for Senior Citizens; Employing Performance-based User-testing.

Jin KIM ; Iyn Hyang LEE

Korean Journal of Clinical Pharmacy.2016;26(3):254-263.

OBJECTIVE: Written information could be helpful for senior population to adhere to complex medication therapies, but must be well prepared and empirically assessed to achieve such end. We purposed to develop a drug information leaflet for senior citizens by applying 'performance-based user-testing.' METHODS: We employed a user-testing, a mixed method to figure difficulties out with patients' leaflets from the user perspective. The cycle made of test and revision can be repeated as necessary. We recruited senior citizens with age of 65 or above who were taking antihypertensive medications at the point of participating and excluded the elderly who suffered illiteracy. We firstly rectified a drug information leaflet of antihypertensive medications for the general public distributed by the Korean authority based on focus group interviews (9 participants). The revised leaflets were tested four times with 8~12 participants in each round (40 seniors in total). We targeted to develop a leaflet which more than 80% of participants understood 10 key information. Main outcomes measures were to be able to find information and be able to understand information. This study was approved by the Yeungnam University Research Ethics Committee. RESULTS: Focus group interviews identified difficulties with small font of words, professional language, long information, and a poor structure. The leaflet was revised and in the first round questionnaire found problems with 4/10 information points; interviews disclosed all but one (normal blood pressure range) were ill-understood. The second round questionnaire and interview found fewer problems but the comprehensiveness of participants was still poor in several points. For the third and fourth rounds we revised the leaflets in the individual-targeted manner. Finally, the fourth round showed all key information found and understood by at least 80% of participants except one question about drug name. CONCLUSION: The drug leaflets need to be developed in a personalized mode for the seniors. There was a limit for Korean seniors to understand nonproprietary name of their drugs because they used to producers' trade names which the Korean health system predominantly works with.
Aged ; Antihypertensive Agents* ; Blood Pressure ; Ethics Committees, Research ; Focus Groups ; Health Literacy ; Humans ; Literacy ; Methods

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Participants' Evaluation on the Payer-driven Medication Counseling Intervention for Individuals with Chronic Disease.

Hyun Soon SOHN ; Sunmee JANG ; Ju Yeun LEE ; Euna HAN

Korean Journal of Clinical Pharmacy.2016;26(3):245-253.

OBJECTIVE: This study was conducted to evaluate payer-driven medication adherence intervention program from the patient's and counselor's perspectives. METHODS: Target patients for intervention were selected by retrospective adherence measures based on national health insurance claims data for hypertension, diabetes and hyperlipidemia. As a serial intervention for higher risk groups of medication non-adherence, initial direct mailing, the first direct telephone call and the second direct call or a home visit were followed. Interview approach to qualitative inquiry was used to evaluate intervention results. RESULTS: Participants including 4 patients received telephone calls, and 4 National Health Insurance Service staff and 4 pharmacists participated as counselors were interviewed regarding their impression of the intervention program. Three major themes arose: overall perception; necessities; and suggestions for success, of the intervention. Despite short period of intervention, educational intervention by telephone counseling involving pharmacists shows potential to improve self-management of chronic disease, and pharmacist-involvement. But more sophisticated selection of target patients requiring the intervention and complementation of electronic database system would be necessary. In addition, personal disposition of counselor was revealed to be an important factor for achieving successful outcome of intervention. CONCLUSION: The findings suggest that the individualized counseling intervention would be an efficient option for improved medication adherence. Further researches should include longer periods of interventions, a quantitative analysis using adherence measures based on claims data and consideration of clinical benefits associated with the intervention.
Chronic Disease* ; Complement System Proteins ; Counseling* ; House Calls ; Humans ; Hyperlipidemias ; Hypertension ; Medication Adherence ; National Health Programs ; Pharmacists ; Postal Service ; Retrospective Studies ; Self Care ; Telephone

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Prescription Patterns and Appropriateness of Topical Mupirocin in Ambulatory Care using the Korean National Health Insurance Claims Database.

Jinuk SUH ; Kyeong Hye JEONG ; Eunyoung KIM

Korean Journal of Clinical Pharmacy.2016;26(3):238-244.

BACKGROUND: Mupirocin, a topical antimicrobial agent has been used for patients with methicillin-resistant Staphylococcus aureus and recently mupirocin resistance was issued in some studies. The objective of this study was to analyze prescription patterns of topical mupirocin, to evaluate appropriateness of prescriptions in the ambulatory setting, and to compare frequency of mupirocin usage in South Korea with that in United States. METHODS: Topical mupirocin prescription patterns (the number of prescription and a prescription period), and appropriateness of prescription (including a prescription rate over 10 days, a repeat prescription rate within 30 days and a prescription rate within labeled indications) were analyzed using the 2012 Health Insurance and Review and Assessment service-National Patient Sample dataset of South Korea. The National Ambulatory Medical Care Survey dataset was used to quantify topical mupirocin prescription in United States for comparison. RESULTS: In South Korea, the prescriptions rate for use over 10 days was 3%, the repeat prescription rate within 30 days was 8.87% and the prescription proportion within labeled indications was 33.84%. The most frequent diagnostic code was nonbacterial infection. The prescription rate per 1000 population of topical mupirocin in South Korea was calculated to be 46.07, whereas in United States was calculated to be 13.10. CONCLUSION: Topical mupirocin has been used frequently and inappropriately, so further studies are required to investigate the rationale behind such prescribing mupirocin patterns.
Ambulatory Care* ; Dataset ; Health Care Surveys ; Humans ; Insurance, Health ; Korea ; Methicillin-Resistant Staphylococcus aureus ; Mupirocin* ; National Health Programs* ; Prescriptions* ; United States

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Evaluating Appropriateness of Medication Use in the Operating Rooms of a Tertiary Hospital: Based on Survey.

Ye Ji LEE ; Kyeong Hye JEONG ; Young Nam KIM ; Eun Young KIM

Korean Journal of Clinical Pharmacy.2016;26(3):230-237.

BACKGROUND: Since the use of opioid analgesics is frequent in operation rooms (OR), the risk of medication error is high; however the use of medication in the OR has been operating independently with the hospital pharmacy. Therefore, the assessment on management of medication use in operation and the pharmacist's role is needed. METHODS: We conducted the literature review and survey from anesthesiologists, operating nurses at Chung-Ang Hospital on management of medication for operation use, awareness on need for medication management efficiency, need for satellite pharmacy in the operating room and its effect. RESULTS: 56% of medical staffs responded that management of medication in the operating room is efficient; however, 82.6% responded that they felt the inconvenience in medication delivery to the OR when additional prescription was ordered. 51.5% also responded that extra time was required for management of narcotics and inventory/record keeping. 80% agreed that there could be lost costs due to prescription missed. Medical staffs responded improving the drug management system could increase the OR efficiency (87%), and eventually bring the increase in hospital revenue (80.4%). Those who responded that implementation of OR satellite pharmacy was needed include physicians (84.6%), nurses (63.6%), and also responded that it'd bring more profit to the hospital by increasing the efficiency in OR (60.9%). CONCLUSION: For efficient management of medications, implementation of OR satellite pharmacy would lead to improved drug management and increased efficiency in OR and reduced cost and improved patient care.
Analgesics, Opioid ; Humans ; Medical Staff ; Medication Errors ; Narcotics ; Operating Rooms* ; Patient Care ; Pharmaceutical Services ; Pharmacy ; Prescriptions ; Tertiary Care Centers*

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Analysis of Drug Utilization in Patients with Chronic Hepatitis B.

Yu Jeong LEE ; Sung Jin BAE ; Nam Kyung JE

Korean Journal of Clinical Pharmacy.2016;26(3):220-229.

BACKGROUND: The treatment goal for patients with chronic hepatitis B infection is to prevent progression of the disease to cirrhosis and hepatocellular carcinoma. Current therapies include standard and pegylated interferon-alfa and nucleoside/nucleotide analogues: lamivudine, adefovir, entecavir, telbivudine, clevudine, and tenofovir. This study aims to analyze changes in the prescribing patterns of chronic hepatitis B (CHB) medications in South Korea between 2013 and 2014. METHODS: A cross-sectional study was conducted using National Patients Sample data compiled by the Health Insurance Review and Assessment Service from 2013 and 2014. Patients with CHB were identified with Korean Standard Classification of Diseases code-6 (B18.0 and B18.1) and those who were maintaining active prescriptions with CHB medications covering the index date (December 1(st), each year) were included. The utilization of antiviral therapy was investigated during 2013 and 2014. RESULTS: A total of 4,204 and 4,552 patients in 2013 and 2014 respectively, were included in the analysis. The proportion of male patients was two of third and the patients 41-60 years old accounted for 60% of all analyzed patients. The most utilized drug was entecavir (55.1% in 2013 and 44.8% in 2014) and the second most utilized drug was tenofovir in both years (18.8% in 2013 and 29.0% in 2014). The percentage of combination therapy was 13.6% and 13.1% in 2013 and 2014, respectively. The proportion of tenofovir prescriptions was increased in 2014 compared with 2013. CONCLUSION: With the development of new drugs and the changes in clinical practice guidelines, the prescription pattern of the antiviral agents for patients with CHB has changed. The rate of utilization of tenofovir has increased.
Antiviral Agents ; Carcinoma, Hepatocellular ; Classification ; Cross-Sectional Studies ; Drug Utilization* ; Fibrosis ; Hepatitis B, Chronic* ; Hepatitis, Chronic* ; Humans ; Insurance, Health ; Korea ; Lamivudine ; Male ; Prescriptions ; Tenofovir

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Beta Blockers or Calcium Channel Blockers as Primary Antianginal Drug after Percutaneous Coronary Intervention: Prescription Pattern and its association with Clinical Outcome.

Sun Young NOH ; Yun Hee JO ; Yoon Sook CHO ; Hyeon Joo HAHN ; Hae Young LEE ; Ju Yeun LEE

Korean Journal of Clinical Pharmacy.2016;26(3):213-219.

OBJECTIVE: Although guideline recommends beta blockers (BBs) as first line antianginal agent and calcium channel blockers (CCBs) as alternatives after percutaneous coronary intervention (PCI), the prescription patterns in real practice are not in accordance with the guideline. We aimed to investigate the prescribing patterns of primary antianginal drug and relating factors in patients who underwent PCI. METHODS: Patients who have undergone PCI without myocardial infarction (MI) from November 2012 to June 2014 and followed up at least one year in a tertiary teaching hospital were included. Prescribing patterns of primary antianginal drug before, at the time of, and one year after PCI were described. Factors affecting drug selection, and their relationship with incidence of clinical outcomes defined as MI and repeated PCI, unscheduled admission or visit related with heart problem were analyzed with multivariate logistic regression. RESULTS: A total of 506 patients were included and as primary antianginal drugs, BB, CCB, and both were prescribed in 32.2%, 24.5%, and 17.8% of patients, respectively. Also, neither BB nor CCB was prescribed at the time of PCI in 25.5% of patients. Compared with BB, CCBs were more likely prescribed in patients who had hypertension (Odds Ratio, OR 2.18, 95% confidence interval, CI 1.16-4.07), use of same class before PCI (OR 7.18, 3.37-15.2) and concomitant angiotensin receptor blocker (ARB) use (OR, 1.92, 95% CI 1.10-3.33). Incidence of clinical outcomes were not significantly greater in patients who prescribed CCB compared with BB at the time of PCI (aOR 1.32, CI 0.65-2.68). CONCLUSION: This study demonstrated that half of the patients who underwent PCI were prescribed BB. CCB were favored in patients with hypertension, use of same class before PCI, and concomitant ARB use. Significant difference in clinical outcome was not observed between BB and CCB selection as primary antianginal drug.
Angiotensins ; Calcium Channel Blockers* ; Calcium Channels* ; Calcium* ; Heart ; Hospitals, Teaching ; Humans ; Hypertension ; Incidence ; Logistic Models ; Myocardial Infarction ; Percutaneous Coronary Intervention* ; Prescriptions*

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