• Title/Summary/Keyword: adverse event

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Clinical characteristics of adverse reaction to radiocontrast media in children - A single center experience (소아에서 방사선 조영제 유해반응의 임상적 특징)

  • Kim, Min Jung;Lee, Bo Ra;Choi, Young Hun;Kang, Dong Yoon;Kang, Hye-Ryun;Suh, Dong In
    • Allergy, Asthma & Respiratory Disease
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    • v.6 no.6
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    • pp.315-321
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    • 2018
  • Purpose: Radiocontrast media are widely used in medical imaging to improve diagnostic accuracy. However, studies on the adverse reactions of radiocontrast media in children are limited. We aimed to describe the characteristics of adverse reactions to radiocontrast media among children who had a computed tomography scan or magnetic resonance imaging in a tertiary university hospital. Methods: We retrospectively collected data on adverse reactions to radiocontrast media by the reporting system of a tertiary university hospital. We selected data from children under the age of 19 from July 2011 to December 2017 and analyzed their characteristics. We focused mainly on the characteristics of the index case which is defined by the first adverse event of each subject. Results: During the period, a total of 88,050 radiocontrast media-enhanced imaging studies were performed and 184 cases of adverse reactions were reported. A total of 71 were identified as index cases. Forty-nine (69.0%) were male and the mean age was $12.7{\pm}3.2$ years. The incidence of radiocontrast media-related adverse reactions was 0.09% and severe reactions were 0.002%. The most common clinical feature was skin manifestations (54.9%), followed by gastrointestinal symptoms (40.8%) and neuropsychiatric symptoms (7.4%). Conclusion: Adverse reactions to radiocontrast media rarely occur in children and the incidence of severe reactions is low. Most reactions are mild and are related to the skin and gastrointestinal system. This report would provide good evidence for establishing a management strategy in children scheduled for imaging studies using radiocontrast media.

Proposal of the Pharmacoepidemiologic Methodology Application to Research for Sasang Constitutional Pharmacology (약물역학연구 방법론의 체질약리연구 적용에 대한 제안)

  • Kim, Sang-Hyuk;Yoo, Jong-Hyang;Lee, Si-Woo
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.24 no.5
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    • pp.753-757
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    • 2010
  • The objectives of this paper is to propose the pharmacoepidemiologic methodology to Research for Sasang Constitutional Pharmacology. We mainly searched "Journal of Pharmacoepidemiology and Risk Management". And we also searched "J Korean Oriental Med.", "J of Sasang Constitutional Med.", "J. Oriental Physiology & Pathology", "Korean J Orient Int Med." using these kew words - "adverse event" or "side effect" and "Sasang Contitution" or "Constitution" or "Constitutional medicine". Through the examination of the Pharmacoepidemiologic methodology and current research for sasang constitiutional pharmacology, we could establish the proposal to collect objective constitutional medical reaction. For the actualization of this proposal, the more advanced studies will have to be carried out continuously.

Development of STI/AOT Optimization Methodology and an Application to the AFWPs with Adverse Effects

  • You, Young-Woo;Yang, Hui-Chang;Chung, Chang-Hyun;Moosung Jae
    • Nuclear Engineering and Technology
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    • v.29 no.3
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    • pp.211-217
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    • 1997
  • Adverse effects caused by the surveillance test for the components of nuclear power plant involve plant transients, unnecessary wear, burden on licensee's time, and the radiation exposure to personnel along with the characteristics of each component. The optimization methodology of STI and AOT has been developed and applied to AFWPs of a reference plant. The approach proposed in this paper consist of the resole in minimal mean unavailability of the two-out-of-four system with adverse effects are analytically calculated for the example system. The surveillance testing strategy are given by the sequential test, the staggered test and the train staggered test which is a mined test scheme. In the system level, the sensitivity analyses for the STI and AOT, are performed for the measure of the system unavailability of the top event in the fault tree developed for the example system. This methodology may contribute to establishing the basis for the risk-based regulations.

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Pembrolizumab-related autoimmune hemolytic anemia in a patient with metastatic lung adenocarcinoma: a case report

  • Baek, Dong Won;Chae, Yee Soo
    • Journal of Yeungnam Medical Science
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    • v.38 no.4
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    • pp.366-370
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    • 2021
  • Immune checkpoint inhibitors (ICIs) have become the main drugs for programmed cell death receptor-1 or ligand-1 expressing non-small cell lung cancer (NSCLC) combined with conventional chemotherapy. ICIs are generally more tolerable than cytotoxic chemotherapies in terms of toxicity, and ICI-related adverse events are mild and manageable. However, these drugs may lead to unexpected severe adverse events such as immune-related hematologic toxicities, which could be life-threatening. Here, a rare case of a pembrolizumab-related adverse event in a patient with NSCLC who showed early-onset hemolytic anemia and recovered by high-dose steroid and a series of plasma exchanges is reported.

Prospective Observational Study of Acupuncture Adverse Events: 50 Patients Hospitalized for Peripheral Facial Palsy Treatments (침치료 이상반응에 대한 전향적 관찰: 말초성 안면신경마비 입원 환자 50명을 대상으로)

  • Kim, Dong-Hyuk;Kim, Kyung-Wook;Kim, Jong-Han;Kim, Hyun-Ho;Park, Ji-Min;Yoo, Je-Hyuk;Nam, Dong-Woo;Lee, Sang-Hoon;Choi, Do-Young
    • Journal of Acupuncture Research
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    • v.28 no.4
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    • pp.65-76
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    • 2011
  • Objectives : The aim of this study is to survey adverse events of acupuncture in the course of peripheral facial palsy treatments. Methods : The prospective observational study included patients hospitalized to receive acupuncture treatments for peripheral facial palsy. All patients were surveyed daily for adverse events associated with the acupuncture treatments applied the day before. Results : A total of 50 patients received $37.68{\pm}20.37$ acupuncture treatments in average. 36 patients reported experiencing at least one adverse event. Total 163 adverse events were reported. Common adverse events were bleeding(62), bruise(33), pain(30), tiredness(11), hematoma(7). The others were paresthesia(4), erythema(3), delay of removing needles(2), edema(2), aggravation of symptoms(2), declining of appetite(2), pruritus(1), drowsiness(1), anxiety(1), sweating(1), headache(1). Conclusions : Acupuncture has adverse events, like any therapeutic approaches. However, it is a relatively safe treatment. In future study, organized large scale prospective survey should be carried out to fully prove that acupuncture is safe.

Adverse Events in Total Artificial Heart for End-Stage Heart Failure: Insight From the Food and Drug Administration Manufacturer and User Facility Device Experience (MAUDE)

  • Min Choon Tan;Yong Hao Yeo;Jia Wei Tham;Jian Liang Tan;Hee Kong Fong;Bryan E-Xin Tan;Kwan S Lee;Justin Z Lee
    • International Journal of Heart Failure
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    • v.6 no.2
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    • pp.76-81
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    • 2024
  • Background and Objectives: Real-world clinical data, outside of clinical trials and expert centers, on adverse events related to the use of SyncCardia total artificial heart (TAH) remain limited. We aim to analyze adverse events related to the use of SynCardia TAH reported to the Food and Drug Administration (FDA)'s Manufacturers and User Defined Experience (MAUDE) database. Methods: We reviewed the FDA's MAUDE database for any adverse events involving the use of SynCardia TAH from 1/01/2012 to 9/30/2020. All the events were independently reviewed by three physicians. Results: A total of 1,512 adverse events were identified in 453 "injury and death" reports in the MAUDE database. The most common adverse events reported were infection (20.2%) and device malfunction (20.1%). These were followed by bleeding events (16.5%), respiratory failure (10.1%), cerebrovascular accident (CVA)/other neurological dysfunction (8.7%), renal dysfunction (7.5%), hepatic dysfunction (2.2%), thromboembolic events (1.8%), pericardial effusion (1.8%), and hemolysis (1%). Death was reported in 49.4% of all the reported cases (n=224/453). The most common cause of death was multiorgan failure (n=73, 32.6%), followed by CVA/other non-specific neurological dysfunction (n=44, 19.7%), sepsis (n=24, 10.7%), withdrawal of support (n=20, 8.9%), device malfunction (n=11, 4.9%), bleeding (n=7, 3.1%), respiratory failure (n=7, 3.1%), gastrointestinal disorder (n=6, 2.7%), and cardiomyopathy (n=3, 1.3%). Conclusions: Infection was the most common adverse event following the implantation of TAH. Most of the deaths reported were due to multiorgan failure. Early recognition and management of any possible adverse events after the TAH implantation are essential to improve the procedural outcome and patient survival.

The Impact of Global Financial Crisis 2008 on Amman Stock Exchange

  • Ajlouni, Moh'd Mahmoud;Mehyaoui, Wafaa;Hmedat, Waleed
    • Journal of Distribution Science
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    • v.10 no.7
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    • pp.13-22
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    • 2012
  • The effect of the September 2008 global financial crisis weighed heavily on stock markets around the world. The purpose of this study is to empirically investigate the impact of the crisis on Amman Stock Exchange. Event study methodology has been adopted on a period of 24 months, from January 2008 to December 2009. Monthly average abnormal returns across a sample of 52 industrial and services companies have been tested separately. The results reveal that Amman Stock Exchange experienced significant negative abnormal returns in the fourth quarter of the year 2008. However, there were no significant abnormal returns observed thereafter. This means that Amman Stock Exchange managed to overcome its adverse consequences. Since the event study tests for market efficiency, as well, the results show that Amman Stock Exchange reaction is consistent with the semi-strong form of the efficient market hypothesis.

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