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1.
Environmental Health and Preventive Medicine ; : 11-11, 2022.
Article in English | WPRIM | ID: wpr-928819

ABSTRACT

BACKGROUND@#Associations of acute glycemic complications with season and ambient temperature have been reported in general population with diabetes. However, little is known about the risks of acute glycemic complications in relation to season and ambient temperature in pregnant women, who are likely to be even more vulnerable. This work aimed to investigate the associations of season and ambient temperature with pregnancies complicated with hyperglycemia emergency or severe hypoglycemia.@*METHODS@#Two separate case-control studies were nested within 150,153 pregnancies by women with type 1, type 2, or gestational diabetes between 2009 and 2014 in Taiwan. Hyperglycemia emergency (mainly diabetic ketoacidosis and hyperosmolar hyperglycemic state) and severe hypoglycemia occurred in 77 and 153 diabetic pregnancies (cases), respectively. Ten control pregnancies were randomly selected for each case by matching each case pregnancy on type of diabetes (i.e., T1DM, T2DM, or GDM), maternal age on the date of acute glycemic complication occurrence (i.e., index date), and "length of gestation at risk" (i.e., period between conception and index date). Meteorological parameters were retrieved from 542 meteorological monitoring stations across Taiwan during 2008-2014. Conditional logistic regression analysis with generalized estimation equation was separately performed to estimate the covariate adjusted odds ratios (ORs) of each of the two acute glycemic complications in association with season and ambient temperature within 30 days prior to the index date.@*RESULTS@#Compared to summer, winter season was associated with a significantly elevated risk of severe hypoglycemia with an OR of 1.74 (95% confidence interval (CI) 1.08-2.79). The OR of hyperglycemic emergency was also elevated in winter season at OR of 1.88, but the significance is only marginal (95% CI 0.97-3.64, p = 0.0598). Subgroup analyses further noted that such seasonal variation was also observed in pregnancies with pre-pregnancy type 1 diabetes and gestational diabetes. On the other hand, ambient temperature was not significantly associated with the two acute glycemic complications.@*CONCLUSIONS@#A moderately but significantly elevated risk of severe hypoglycemia was found in pregnant women with diabetes during winter season, and such increased risk was more evident in pregnancies with T1DM.


Subject(s)
Female , Humans , Pregnancy , Case-Control Studies , Diabetes Mellitus, Type 1/complications , Hypoglycemia/etiology , Incidence , Pregnant Women , Taiwan/epidemiology , Temperature
2.
Chinese Acupuncture & Moxibustion ; (12): 887-891, 2021.
Article in Chinese | WPRIM | ID: wpr-887502

ABSTRACT

To analyze the collaborative use and separation reasons of lifting-thrusting and twirling reinforcing and reducing manipulation. Lifting-thrusting manipulation and twirling manipulation are two important contents of acupuncture methods. In traditional acupuncture and moxibustion, the two methods were used in reinforcing and reducing concert, which was mainly related to the therapeutic thought guided by the


Subject(s)
Humans , Acupuncture Therapy , Lifting , Moxibustion , Needles , Taiwan
3.
Clinics ; 75: e1436, 2020. tab
Article in English | LILACS | ID: biblio-1133422

ABSTRACT

OBJECTIVES: The prevalence of diabetes mellitus has recently increased in Taiwan, and depression is common among these patients. Moreover, a lack of health literacy may lead to depression. In this study, we explored the correlation between health literacy and depression in diabetic women. METHODS: In this cross-sectional study, 152 women with type 2 diabetes mellitus were recruited from the outpatient clinic of a regional teaching hospital in Taiwan. The data were collected through medical records and a self-reported structured questionnaire, which included items on basic attributes, self-rated health status, the Center for Epidemiologic Studies Depression Scale (CES-D), and Chinese Health Literacy Scale for Diabetes (CHLSD). The results were analyzed using descriptive statistical analyses, bivariate correlation tests, and linear regression analyses. RESULTS: One hundred thirty-five valid questionnaires were obtained. Approximately 20% of the participants had a higher tendency toward depression as per their CES-D score, and the CHLSD results showed that 13.33% had poor health literacy. There was a negative correlation between health literacy and depressive tendencies after adjusting for self-rated health status, economic satisfaction status, employment status, and education level using multivariate linear regression analyses. For each 1-point rise in the CHLSD score, the CES-D score decreased by 0.17 points (z=−2.05, p=0.042). CONCLUSIONS: A negative correlation was identified between health literacy and depression. Self-rated health status, economic satisfaction, employment status, and higher education level are factors that also affect depressive tendency among diabetic women.


Subject(s)
Humans , Female , Diabetes Mellitus, Type 2 , Health Literacy , Taiwan , Cross-Sectional Studies , Surveys and Questionnaires , Depression
4.
Environmental Health and Preventive Medicine ; : 68-68, 2020.
Article in English | WPRIM | ID: wpr-880305

ABSTRACT

BACKGROUND@#Particulate matter (PM) < 2.5 μm (PM@*METHODS@#We obtained DNA methylation and exercise data of 496 participants (aged between 30 and 70 years) from the Taiwan Biobank (TWB) database. We also extracted PM@*RESULTS@#DLEC1 methylation and PM@*CONCLUSIONS@#We found significant positive associations between PM


Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , Air Pollutants/adverse effects , DNA Methylation/drug effects , Environmental Exposure/adverse effects , Exercise , Particulate Matter/adverse effects , Taiwan , Tumor Suppressor Proteins/metabolism
5.
Chinese Acupuncture & Moxibustion ; (12): 445-449, 2020.
Article in Chinese | WPRIM | ID: wpr-826714

ABSTRACT

Through collecting the literature data of the needling technique with filiform needle in 20 acupuncture-moxibustion teaching materials in the Republic of China, the manipulation techniques with filiform needle were analyzed, such as the technique of needle insertion, the technique of reinforcing and reducing, and the management of acupuncture abnormal conditions, as well as manual techniques and analgesics methods. It is found that the era of the Republic of China was the transition period of traditional acupuncture techniques to the modern ones in acupuncture-moxibustion teaching materials, in which, the twirling technique was predominated in the technique of needle insertion. In that period, the insertion technique of tube needle had been introduced and simplified, the theory and method of the new-style technique of reinforcing and reducing were emerged and the types of acupuncture abnormal conditions recorded in the teaching materials were different from those at present. Additionally, the applicable manipulation had not been specified nationally. There were the highly influential teaching materials, i.e. , and . The acupuncture-moxibustion teaching materials in the Republic of China has been influenced by the transition of acupuncture-moxibustion education modes, the introduction of Chinese-translation version of Japanese acupuncture-moxibustion books, the academic thoughts of acupuncture masters and the manufacturing process of needle devices.


Subject(s)
Acupuncture , Education , Acupuncture Therapy , Methods , Moxibustion , Taiwan , Teaching Materials
6.
Environmental Health and Preventive Medicine ; : 34-34, 2020.
Article in English | WPRIM | ID: wpr-826298

ABSTRACT

In Taiwan, high-risk patients have been identified and tested for preventing community spread of COVID-19. Most sample collection was performed in emergency departments (EDs). Traditional sample collection requires substantial personal protective equipment (PPE), healthcare professionals, sanitation workers, and isolation space. To solve this problem, we established a multifunctional sample collection station (MSCS) for COVID-19 testing in front of our ED. The station is composed of a thick and clear acrylic board (2 cm), which completely separates the patient and medical personnel. Three pairs of gloves (length, 45 cm) are attached and fixed on the outside wall of the MSCS. The gloves are used to conduct sampling of throat/nasal swabs, sputum, and blood from patients. The gap between the board and the building is only 0.2 cm (sealed with silicone sealant). ED personnel communicate with patients using a small two-way broadcast system. Medical waste is put in specific trashcans installed in the table outside the MSCS. With full physical protection, the personnel conducting the sampling procedure need to wear only their N95 mask and gloves. After we activated the station, our PPE, sampling time, and sanitization resources were considerably conserved during the 4-week observation period. The MSCS obviously saved time and PPE. It elevated the efficiency and capacity of the ED for handling potential community infections of COVID-19.


Subject(s)
Humans , Betacoronavirus , Clinical Laboratory Techniques , Coronavirus Infections , Diagnosis , Epidemiology , Emergency Service, Hospital , Mass Screening , Methods , Pandemics , Personal Protective Equipment , Pneumonia, Viral , Diagnosis , Epidemiology , Taiwan , Epidemiology
8.
Arch. Clin. Psychiatry (Impr.) ; 46(4): 97-102, July-Aug. 2019. tab
Article in English | LILACS | ID: biblio-1019347

ABSTRACT

Abstract Background Mental health disparity in sexual minorities is a crucial clinical and public health issue worldwide. A total of 500 homosexual or bisexual men aged between 20 and 25 years participated in this study. Objectives The aims of the study were to examine the relationships of victimization of traditional and cyber homophobic bullying during childhood and adolescence with problematic internet and smartphone use and activities during early adulthood among sexual minority men in Taiwan. Methods The seveirities of problematic internet and smartphone use and activities in early adulthood were compared between victims and non-victims of bullying. The severities of problematic internet and smartphone use were also compared among the groups of various types of bullying as well as among the groups of various persistence durations of being bullied. Results Victims of traditional and cyber homophobic bullying had more severe problematic internet and smartphone use than non-victims. Victims of multi-type bullying had more severe problematic internet use than victims of single-type bullying. Prolonged victimization was significantly associated with problematic internet and smartphone use. Discussion: Victimization of traditional and cyber homophobic bullying during childhood and adolescence predicts problematic internet and smartphone use during early adulthood among sexual minority men.


Subject(s)
Humans , Male , Adult , Bullying , Homophobia , Cyberbullying , Taiwan , Severity of Illness Index , Bisexuality , Homosexuality , Surveys and Questionnaires , Behavior, Addictive/prevention & control , Crime Victims , Internet , Smartphone
10.
Journal of Stroke ; : 190-194, 2019.
Article in English | WPRIM | ID: wpr-766247

ABSTRACT

BACKGROUND AND PURPOSE: Preceding episodes of paroxysmal atrial fibrillation (AF) among stroke patients can be easily overlooked in routine clinical practice. We aim to determine whether an unrecognized history of paroxysmal AF is associated with an increased risk of recurrent stroke. METHODS: We retrospectively identified all adult patients hospitalized with a primary diagnosis of ischemic stroke who had no AF diagnosis on their discharge records, using the Taiwan National Health Insurance Research Database between January 2001 and December 2012. Patients were categorized into two groups: unrecognized AF history and no AF. Patients with unrecognized AF history were defined as having documented AF preceding the index ischemic stroke hospitalization, but not recording at the index ischemic stroke. Primary endpoint was recurrent stroke within 1 year after the index stroke. RESULTS: Among 203,489 hospitalized ischemic stroke patients without AF diagnosed at discharge, 6,731 patients (3.3%) had an unrecognized history of prior transient AF. Patients with an unrecognized AF history, comparing to those without AF, had higher adjusted risk of all recurrent stroke ([original cohort: hazard ratio (HR), 1.41; 95% confidence interval [CI], 1.30 to 1.53], [matched cohort: HR, 1.51; 95% CI, 1.37 to 1.68]) and recurrent ischemic stroke ([original cohort: HR, 1.42; 95% CI, 1.30 to 1.55], [matched cohort: HR, 1.56; 95% CI, 1.40 to 1.74]) during the 1-year follow-up period. CONCLUSIONS: Unrecognized history of AF among patients discharged after an index ischemic stroke hospitalization is associated with higher recurrent stroke risk. Careful history review to uncover a paroxysmal AF history is important for ischemic stroke patients.


Subject(s)
Adult , Humans , Atrial Fibrillation , Brain Infarction , Cohort Studies , Diagnosis , Follow-Up Studies , Hospitalization , Medical Records , National Health Programs , Retrospective Studies , Stroke , Taiwan
11.
Journal of Neurogastroenterology and Motility ; : 241-249, 2019.
Article in English | WPRIM | ID: wpr-765935

ABSTRACT

BACKGROUND/AIMS: Recent studies suggest that air pollution may play a role in gastrointestinal disorders. However, the effect of long-term exposure to air pollution on childhood irritable bowel syndrome (IBS) is unclear. Hence, we conducted a nationwide cohort study to investigate the association between long-term air pollution exposure and the incidence and risk of IBS in Taiwanese children during 2000–2012. METHODS: We collected data from the Taiwan National Health Insurance Research Database, linked to the Taiwan Air Quality-Monitoring Database according to the insurant living area and the air quality-monitoring station locations. Children < 18 years old, identified from January 1st, 2000, were followed-up until IBS diagnosis or December 31st, 2012. The daily average air pollutant concentrations were categorized into 4 quartile-based groups (Q1–Q4). We measured the incidence rate, hazard ratios (HRs), and 95% confidence intervals for IBS stratified by the quartiles of air pollutant concentration. RESULTS: A total of 3537 children (1.39%) were diagnosed with IBS within the cohort during the follow-up period. The incidence rate for IBS increased from 0.84 to 1.76, from 0.73 to 1.68, from 0.85 to 1.98, and from 0.52 to 3.22 per 1000 person-years, with increase in the carbon monoxide, nitrogen dioxide, non-methane hydrocarbon, and methane quartile (from Q1 to Q4) exposure concentration, respectively. The adjusted HR for IBS increased with elevated carbon monoxide, nitrogen dioxide, non-methane hydrocarbon, and methane exposure in Q4 to 1.98, 2.14, 2.19, and 5.87, respectively, compared with Q1. CONCLUSION: Long-term ambient air pollutant exposure is an environmental risk factor for childhood IBS.


Subject(s)
Child , Humans , Air Pollution , Carbon Monoxide , Cohort Studies , Diagnosis , Follow-Up Studies , Incidence , Irritable Bowel Syndrome , Methane , National Health Programs , Nitrogen Dioxide , Risk Factors , Taiwan
12.
Clinical and Experimental Emergency Medicine ; (4): 321-329, 2019.
Article in English | WPRIM | ID: wpr-785630

ABSTRACT

OBJECTIVE: This study aimed to compare the demographic characteristics and trauma service structures and processes of hospitals in 15 countries across the Asia Pacific, and to provide baseline data for the integrated trauma database: the Pan-Asian Trauma Outcomes Study (PATOS).METHODS: Medical directors and emergency physicians at PATOS-participating hospitals in countries across the Asia Pacific were surveyed through a standardized questionnaire. General information, trauma care system data, and trauma emergency department (ED) outcomes at each hospital were collected by email and analyzed using descriptive statistics.RESULTS: Survey data from 35 hospitals across 15 countries were collected from archived data between June 2014 and July 2015. Designated trauma centers were identified as the highest hospital level for trauma patients in 70% of surveyed countries. Half of the hospitals surveyed had special teams for trauma care, and almost all prepared activation protocol documents for these teams. Most hospitals offered specialized trauma education programs, and 72.7% of hospitals had a hospital-based trauma registry. The total number of trauma patients visiting the ED across 25 of the hospitals was 300,376. The overall survival-to-discharge rate was 97.2%; however, it varied greatly between 85.1% and 99.7%. The difference between survival-to-discharge rates of moderate and severe injury groups was highest in Taiwan (41.8%) and lowest in Thailand (18.6%).CONCLUSION: Trauma care systems and ED outcomes vary widely among surveyed hospitals and countries. This information is useful to build further detailed, systematic platforms for trauma surveillance and evidence-based trauma care policies.


Subject(s)
Humans , Asia , Asian People , Cross-Sectional Studies , Education , Electronic Mail , Emergencies , Emergency Service, Hospital , Epidemiology , Physician Executives , Taiwan , Thailand , Trauma Centers
13.
The Korean Journal of Parasitology ; : 595-599, 2019.
Article in English | WPRIM | ID: wpr-786645

ABSTRACT

In this study we take a closer look at the diseases that afflicted Japanese police officers who were stationed in a remote mountainous region of Taiwan from 1921 to 1944. Samples were taken from the latrine at the Huabanuo police outpost, and analyzed for the eggs of intestinal parasites, using microscopy and ELISA. The eggs of Eurytrema sp., (possibly E. pancreaticum), whipworm and roundworm were shown to be present. True infection with Eurytrema would indicate that the policemen ate uncooked grasshoppers and crickets infected with the parasite. However, false parasitism might also occur if the policemen ate the uncooked intestines of infected cattle, and the Eurytrema eggs passed through the human intestines. These findings provide an insight into the diet and health of the Japanese colonists in Taiwan nearly a century ago.


Subject(s)
Animals , Cattle , Humans , Asian People , Diet , Eggs , Enzyme-Linked Immunosorbent Assay , Grasshoppers , Gryllidae , Intestines , Microscopy , Ovum , Parasites , Police , Taiwan , Toilet Facilities
14.
Chinese Acupuncture & Moxibustion ; (12): 661-665, 2019.
Article in Chinese | WPRIM | ID: wpr-775849

ABSTRACT

(-) is a professional periodical of acupuncture-moxibustion, created by - in Peking, the Republic of China and issued nationally. In this paper, the editorial board, distribution, main category and content were collected and analyzed systematically. It is shown that acupuncture-moxibustion scholars in the Republic of China had made the active exploration for promoting the exchange and progress of acupuncture and moxibusiton. This periodical displays the clinical experiences and academic thoughts of acupuncture-moxibustion masters in that era and their responsibility to the spreading of medical information. Moreover, this periodical is one of the platforms for the integration of acupuncture-moxibustion with western medicine in the Republic of China, as well as for the exchange of the updated knowledge. This periodical is the important literature on acupuncture and moxibustion in the era of the Republic of China and is valuable for the literature and historical researches.


Subject(s)
Acupuncture , Acupuncture Therapy , China , Moxibustion , Taiwan
15.
The Korean Journal of Gastroenterology ; : 3-6, 2019.
Article in Korean | WPRIM | ID: wpr-719443

ABSTRACT

There is a growing interest in gastroenterology and hepatology fellowship training in Korea and other countries. The Korean Society of Gastroenterology held an international symposium for gastroenterology and hepatology fellowship training, titled, “GI Fellow Training in Asia-Pacific Countries” on April 14, 2018. The Japanese education system was different for each hospital. The American societies for gastroenterology set up their education system together and have continued with frequent modification. The Taiwan and Singapore education systems are well organized and localized. We need a well-organized and sustainable education system for gastroenterology and hepatology fellowship training suitable for Korea.


Subject(s)
Humans , Asian People , Education , Fellowships and Scholarships , Gastroenterology , Korea , Singapore , Taiwan
16.
Korean Journal of Nuclear Medicine ; : 86-91, 2019.
Article in English | WPRIM | ID: wpr-786465

ABSTRACT

Boron neutron capture therapy and Y-90 radioembolization are emerging therapeutic methods for uncontrolled brain cancers and hepatic cancers, respectively. These advanced radiation therapies are heavily relied on theranostic nuclear medicine imaging before the therapy for the eligibility of patients and the prescribed-dose simulation, as well as the post-therapy scanning for assessing the treatment efficacy. In Taiwan, the Taipei Veterans General Hospital is the only institute performing the BNCT and also the leading institute performing Y-90 radioembolization. In this article, we present our single institute experiences and associated theranostic nuclear medicine approaches for these therapies.


Subject(s)
Humans , Boron Neutron Capture Therapy , Brain Neoplasms , Hospitals, General , Liver Neoplasms , Nuclear Medicine , Taiwan , Theranostic Nanomedicine , Treatment Outcome , Veterans
17.
Journal of Gynecologic Oncology ; : e72-2019.
Article in English | WPRIM | ID: wpr-764550

ABSTRACT

OBJECTIVE: Uterine myoma which results in the magnitude of ovarian cancer remains uncertain. This study aimed to assess the association between women with previous uterine myoma and the risk of ovarian cancer. METHODS: This population-based case-control study was conducted using the Taiwan National Health Insurance Research Database between 2006 and 2010. We identified 4,088 adult women with newly diagnosed ovarian cancer with 16,348 women without ovarian cancer matched for age, urbanization level, income and initial diagnosis date. Logistic regression analyses were used to evaluate the variables associated with ovarian cancer. In addition, the effect of surgical interventions on the risk of ovarian cancer was also evaluated. RESULTS: Women with previous uterine myoma were more likely than those who did not to have ovarian cancer (adjusted odds ratio [aOR]=2.26; 95% confidence interval [CI]=2.06−2.49). Patients with uterine myoma who either received (aOR=1.79; 95% CI=1.51−2.13) or did not receive hormone replacement therapy (aOR=2.51; 95% CI=2.24−2.82) experienced a significantly higher risk of ovarian cancer than those without uterine myoma, respectively. However, patients with uterine myoma who underwent either myomectomy (aOR=0.55; 95% CI=0.39−0.77) or hysterectomy (aOR=0.33; 95% CI=0.26−0.42) had a significantly lower risk of ovarian cancer. CONCLUSION: The results revealed that a significantly higher risk of ovarian cancer in women with previous uterine myoma, through an indirect mechanism. Furthermore, a lower risk of ovarian cancer was observed in women who underwent surgical removal of the uterine myoma.


Subject(s)
Adult , Female , Humans , Case-Control Studies , Diagnosis , Hormone Replacement Therapy , Hysterectomy , Leiomyoma , Logistic Models , National Health Programs , Odds Ratio , Ovarian Neoplasms , Taiwan , Urbanization
18.
Journal of Educational Evaluation for Health Professions ; : 7-2019.
Article in English | WPRIM | ID: wpr-764477

ABSTRACT

PURPOSE: Lack of confidence in suturing/ligature skills due to insufficient practice and assessments is common among novice Chinese medical interns. This study aimed to improve the skill acquisition of medical interns through a new intervention program. METHODS: In addition to regular clinical training, expert-led or expert-led plus artificial intelligence (AI) system tutoring courses were implemented during the first 2 weeks of the surgical block. Interns could voluntarily join the regular (no additional tutoring), expert-led tutoring, or expert-led+AI tutoring groups freely. In the regular group, interns (n=25) did not receive additional tutoring. The expert-led group received 3-hour expert-led tutoring and in-training formative assessments after 2 practice sessions. After a similar expert-led course, the expert-led+AI group (n=23) practiced and assessed their skills on an AI system. Through a comparison with the internal standard, the system automatically recorded and evaluated every intern's suturing/ligature skills. In the expert-led+AI group, performance and confidence were compared between interns who participated in 1, 2, or 3 AI practice sessions. RESULTS: The end-of-surgical block objective structured clinical examination (OSCE) performance and self-assessed confidence in suturing/ligature skills were highest in the expert-led+AI group. In comparison with the expert-led group, the expert-led+AI group showed similar performance in the in-training assessment and greater improvement in the end-of-surgical block OSCE. In the expert-led+AI group, the best performance and highest post-OSCE confidence were noted in those who engaged in 3 AI practice sessions. CONCLUSION: This pilot study demonstrated the potential value of incorporating an additional expert-led+AI system–assisted tutoring course into the regular surgical curriculum.


Subject(s)
Humans , Artificial Intelligence , Asian People , Curriculum , Ligation , Pilot Projects , Prospective Studies , Taiwan
19.
Korean Journal of Preventive Medicine ; : 60-65, 2019.
Article in English | WPRIM | ID: wpr-740715

ABSTRACT

OBJECTIVES: This study examined cancer knowledge, beliefs, and practice among faith-based Chinese in the USA versus Taiwan to gain better understandings on how environment and culture might play a role for tailored cancer education programs. METHODS: A self-administered survey included a validated 10-item Cancer Screening Belief Scale (CSBS), an 8-item Cancer Screening Knowledge Test (CSKT), and a 14-item cancer Warning Signs Test (CWST) was administered. Participants were recruited from 9 Chinese churches (5 in the USA and 4 in Taiwan). RESULTS: A total of 372 Chinese participated, 50% lived in the USA and 50% in Taiwan. Mean age was 44.31 (standard deviation, 14.74), 60% males, and majority had college education (85%). Taiwan participants scored higher on both CSKT (6.13 vs. 5.52; p < 0.001) and CWST (6.80 vs. 5.38; p < 0.001). Although perceived screening benefits and barriers were similar, Taiwan participants endorsed higher on screening norms (11.67 vs. 10.82; p < 0.001). Taiwan participants also indicated more doctor recommending cancer screenings (42.1% vs. 29.6%; p=0.015), USA participants were more likely to have had annual health exams (65.4% vs. 48.9%; p=0.002). Regression results showed that those resided in the USA were 2.38 times more likely to report annual health exams. Married status (odds ratio [OR], 2.85), college education (OR, 2.38), doctor’s recommendation (OR, 2.87), no family cancer history (OR, 2.47), and those with lower barriers were significant factors on annual health exams. CONCLUSIONS: Taiwan participants scored higher on cancer knowledge and screening norms, while more USA participants reported annual health exams. Taiwan’s universal healthcare might play a role on the different healthcare seeking patterns.


Subject(s)
Humans , Male , Asian People , Cross-Sectional Studies , Delivery of Health Care , Early Detection of Cancer , Education , Mass Screening , Taiwan , United States
20.
Journal of Veterinary Science ; : 27-33, 2019.
Article in English | WPRIM | ID: wpr-758887

ABSTRACT

Canine MDR1 gene mutations produce translated P-glycoprotein, an active drug efflux transporter, resulting in dysfunction or over-expression. The 4-base deletion at exon 4 of MDR1 at nucleotide position 230 (nt230[del4]) in exon 4 makes P-glycoprotein lose function, leading to drug accumulation and toxicity. The G allele of the c.-6-180T>G variation in intron 1 of MDR1 (single nucleotide polymorphism [SNP] 180) causes P-glycoprotein over-expression, making epileptic dogs resistant to phenobarbital treatment. Both of these mutations are reported to be common in collies. This study develops a more efficient method to detect these two mutations simultaneously, and clarifies the genotype association with the side effects of chemotherapy. Genotype distribution in Taiwan was also investigated. An oligonucleotide microarray was successfully developed for the detection of both genotypes and was applied to clinical samples. No 4-base deletion mutant allele was detected in dogs in Taiwan. However, the G allele variation of SNP 180 was spread across all dog breeds, not only in collies. The chemotherapy adverse effect percentages of the SNP 180 T/T, T/G, and G/G genotypes were 16.7%, 6.3%, and 0%, respectively. This study describes an efficient way for MDR1 gene mutation detection, clarifying genotype distribution, and the association with chemotherapy.


Subject(s)
Animals , Dogs , Alleles , Drug Therapy , Exons , Genotype , Introns , Methods , Oligonucleotide Array Sequence Analysis , ATP Binding Cassette Transporter, Subfamily B, Member 1 , Phenobarbital , Taiwan
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