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Ethical aspects in the use of radiation in medicine: update from ICRP Task Group 109

Bochud F, Cantone MC, Applegate K, Coffey M, Damilakis J, Del Rosario Perez M, et al.

Ann ICRP, 2020 Dec;49(1_suppl):143-153.
PMID: 32777956 DOI: 10.1177/0146645320929630

Whereas scientific evidence is the basis for recommendations and guidance on radiological protection, professional ethics is critically important and should always guide professional behaviour. The International Commission on Radiological Protection (ICRP) established Task Group 109 to advise medical professionals, patients, families, carers, the public, and authorities about the ethical aspects of radiological protection of patients in the diagnostic and therapeutic use of radiation in medicine. Occupational exposures and research-related exposures are not within the scope of this task group. Task Group 109 will produce a report that will be available to the different interested parties for consultation before publication. Presently, the report is at the stage of a working document that has benefitted from an international workshop organised on the topic by the World Health Organization. It presents the history of ethics in medicine in ICRP, and explains why this subject is important, and the benefits it can bring to the standard biomedical ethics. As risk is an essential part in decision-making and communication, a summary is included on what is known about the dose-effect relationship, with emphasis on the associated uncertainties. Once this theoretical framework has been presented, the report becomes resolutely more practical. First, it proposes an evaluation method to analyse specific situations from an ethical point of view. This method allows stakeholders to review a set of six ethical values and provides hints on how they could be balanced. Next, various situations (e.g. pregnancy, elderly, paediatric, end of life) are considered in two steps: first within a realistic, ethically challenging scenario on which the evaluation method is applied; and second within a more general context. Scenarios are presented and discussed with attention to specific patient circumstances, and on how and which reflections on ethical values can be of help in the decision-making process. Finally, two important related aspects are considered: how should we communicate with patients, family, and other stakeholders; and how should we incorporate ethics into the education and training of medical professionals?

Matched MeSH terms: Occupational Exposure
Exposed, but Not Protected: More Is Needed to Prevent Drug-Resistant Tuberculosis in Healthcare Workers and Students

von Delft A, Dramowski A, Sifumba Z, Mosidi T, Xun Ting T, von Delft D, et al.

Clin Infect Dis, 2016 05 15;62 Suppl 3:S275-80.
PMID: 27118858 DOI: 10.1093/cid/ciw037

"Occupational MDR-TB" … "XDR-TB" … "Treatment-induced hearing loss": 3 life-changing messages imparted over the phone. Three personal accounts are shared highlighting the false belief held by many healthcare workers (HCWs) and students in low-resource settings-that they are immune to tuberculosis despite high levels of occupational tuberculosis exposure. This misconception reflects a lack of awareness of tuberculosis transmission and disease risk, compounded by the absence of accurate occupational tuberculosis estimates. As the global problem of drug-resistant (DR) tuberculosis evolves, HCWs are increasingly infected and suffer considerable morbidity and mortality from occupational DR tuberculosis disease. Similarly, healthcare students are emerging as a vulnerable and unprotected group. There is an urgent need for improved detection, vaccines, preventive therapy, treatment, and support for affected HCWs and those they care for, as well as destigmatization of all forms of tuberculosis. Finally, efforts to protect HCWs and prevent DR tuberculosis transmission by universal implementation of tuberculosis infection control measures should be prioritized.

Matched MeSH terms: Occupational Exposure
Fulltext Agents of change: The role of healthcare workers in the prevention of nosocomial and occupational tuberculosis

Nathavitharana RR, Bond P, Dramowski A, Kotze K, Lederer P, Oxley I, et al.

Presse Med, 2017 Mar;46(2 Pt 2):e53-e62.
PMID: 28256382 DOI: 10.1016/j.lpm.2017.01.014

Healthcare workers (HCWs) play a central role in global tuberculosis (TB) elimination efforts but their contributions are undermined by occupational TB. HCWs have higher rates of latent and active TB than the general population due to persistent occupational TB exposure, particularly in settings where there is a high prevalence of undiagnosed TB in healthcare facilities and TB infection control (TB-IC) programmes are absent or poorly implemented. Occupational health programmes in high TB burden settings are often weak or non-existent and thus data that record the extent of the increased risk of occupational TB globally are scarce. HCWs represent a limited resource in high TB burden settings and occupational TB can lead to workforce attrition. Stigma plays a role in delayed diagnosis, poor treatment outcomes and impaired well-being in HCWs who develop TB. Ensuring the prioritization and implementation of TB-IC interventions and occupational health programmes, which include robust monitoring and evaluation, is critical to reduce nosocomial TB transmission to patients and HCWs. The provision of preventive therapy for HCWs with latent TB infection (LTBI) can also prevent progression to active TB. Unlike other patient groups, HCWs are in a unique position to serve as agents of change to raise awareness, advocate for necessary resource allocation and implement TB-IC interventions, with appropriate support from dedicated TB-IC officers at the facility and national TB programme level. Students and community health workers (CHWs) must be engaged and involved in these efforts. Nosocomial TB transmission is an urgent public health problem and adopting rights-based approaches can be helpful. However, these efforts cannot succeed without increased political will, supportive legal frameworks and financial investments to support HCWs in efforts to decrease TB transmission.

Matched MeSH terms: Occupational Exposure
Risk factors of leptospirosis among febrile hospital admissions in northeastern Malaysia

Rafizah AA, Aziah BD, Azwany YN, Imran MK, Rusli AM, Nazri SM, et al.

Prev Med, 2013;57 Suppl:S11-3.
PMID: 23295174 DOI: 10.1016/j.ypmed.2012.12.017

Leptospirosis is a worldwide zoonotic disease. Risk factors for the disease may vary among countries.

Matched MeSH terms: Occupational Exposure/statistics & numerical data
Fulltext Radiation exposure to the surgeon during femoral interlocking nailing under fluoroscopic imaging

Muzaffar TST, Imran Y, Iskandar MA, Zakaria A

Med J Malaysia, 2005 Jul;60 Suppl C:26-9.
PMID: 16381279

Femoral interlocking nailing requires fluoroscopic assistance for insertion of the nail and distal screws. In this study, scattered radiation to the eye and hand of the operating surgeon was measured during the procedure. Thermo-luminescent dosimeter (TLD) was used to quantify the dose received by the surgeon. The mean radiation exposure time during the procedure was 3.89 minutes. The mean scattered radiation doses to the hand and eye were 0.27 mSv and 0.09 mSv per procedure respectively. These very low doses have made a surgeon very unlikely to receive more than the recommended annual dose limit set by the National Council on Radiological Protection.

Matched MeSH terms: Occupational Exposure*
Heavy metals found in the breathing zone, toenails and lung function of welders working in an air-conditioned welding workplace

Hariri A, Mohamad Noor N, Paiman NA, Ahmad Zaidi AM, Zainal Bakri SF

Int J Occup Saf Ergon, 2018 Dec;24(4):646-651.
PMID: 28849717 DOI: 10.1080/10803548.2017.1368950

Welding operations are rarely conducted in an air-conditioned room. However, a company would set its welding operations in an air-conditioned room to maintain the humidity level needed to reduce hydrogen cracks in the specimen being welded. This study intended to assess the exposure to metal elements in the welders' breathing zone and toenail samples. Heavy metal concentration was analysed using inductively coupled plasma mass spectrometry. The lung function test was also conducted and analysed using statistical approaches. Chromium and manganese concentrations in the breathing zone exceeded the permissible exposure limit stipulated by Malaysian regulations. A similar trend was obtained in the concentration of heavy metals in the breathing zone air sampling and in the welders' toenails. Although there was no statistically significant decrease in the lung function of welders, it is suggested that exposure control through engineering and administrative approaches should be considered for workplace safety and health improvement.

Matched MeSH terms: Occupational Exposure/analysis*
Fulltext Work Environment-Related Risk Factors for Leptospirosis among Plantation Workers in Tropical Countries: Evidence from Malaysia

Mohd Ridzuan J, Aziah BD, Zahiruddin WM

Int J Occup Environ Med, 2016 07;7(3):156-63.
PMID: 27393322 DOI: 10.15171/ijoem.2016.699

BACKGROUND: Leptospirosis is a zoonotic disease that is recognized as a re-emerging global public health issue, especially in tropical and subtropical countries. Malaysia, for example, has increasingly registered leptospirosis cases, outbreaks, and fatalities over the past decade. One of the major industries in the country is the palm oil sector, which employs numerous agricultural workers. These laborers are at a particularly high risk of contracting the disease.
OBJECTIVE: To identify the work environment-related risk factors for leptospirosis infection among oil palm plantation workers in Malaysia.
METHODS: A cross-sectional study involving 350 workers was conducted. The participants were interviewed and administered a microscopic agglutination test. Seropositivity was determined using a cut-off titer of ≥1:100.
RESULTS: 100 of 350 workers tested positive for leptospiral antibodies, hence, a seroprevalence of 28.6% (95% CI 23.8% to 33.3%). The workplace environment-related risk factors significantly associated with seropositive leptospirosis were the presence of cows in plantations (adjusted OR 4.78, 95% CI 2.76 to 8.26) and the presence of a landfill in plantations (adjusted OR 2.04, 95% CI 1.22 to 3.40).
CONCLUSION: Preventing leptospirosis incidence among oil palm plantation workers necessitates changes in policy on work environments. Identifying modifiable factors may also contribute to the reduction of the infection.

Matched MeSH terms: Occupational Exposure*
Environmental hazards posed by mine dust, and monitoring method of mine dust pollution using remote sensing technologies: An overview

Yu H, Zahidi I

Sci Total Environ, 2023 Mar 15;864:161135.
PMID: 36566867 DOI: 10.1016/j.scitotenv.2022.161135

The over-exploitation of mineral resources has led to increasingly serious dust pollution in mines, resulting in a series of negative impacts on the environment, mine workers (occupational health) and nearby residents (public health). For the environment, mine dust pollution is considered a major threat on surface vegetation, landscapes, weather conditions and air quality, leading to serious environmental damage such as vegetation reduction and air pollution; for occupational health, mine dust from the mining process is also regarded as a major threat to mine workers' health, leading to occupational diseases such as pneumoconiosis and silicosis; for public health, the pollutants contained in mine dust may pollute surrounding rivers, farmlands and crops, which poses a serious risk to the domestic water and food security of nearby residents who are also susceptible to respiratory diseases from exposure to mine dust. Therefore, the second section of this paper combines literature research, statistical studies, and meta analysis to introduce the public mainly to the severity of mine dust pollution and its hazards to the environment, mine workers (occupational health), and residents (public health), as well as to present an outlook on the management of mine dust pollution. At the same time, in order to propose a method for monitoring mine dust pollution on a regional scale, based on the Dense Dark Vegetation (DDV) algorithm, the third section of this paper analysed the aerosol optical depth (AOD) change in Dexing City of China using the data of 2010, 2014, 2018 and 2021 from the NASA MCD19A2 Dataset to explore the mine dust pollution situation and the progress of pollution treatment in Dexing City from 2010 to 2021. As a discussion article, this paper aims to review the environmental and health risks caused by mine dust pollution, to remind the public to take mine dust pollution seriously, and to propose the use of remote sensing technologies to monitor mine dust pollution, providing suggestions for local governments as well as mines on mine dust monitoring measures.

Matched MeSH terms: Occupational Exposure*
Our recent experiences with sarin poisoning cases in Japan and pesticide users with references to some selected chemicals

Yokoyama K

Neurotoxicology, 2007 Mar;28(2):364-73.
PMID: 16730798

Attention has been paid to neurobehavioral effects of occupational and environmental exposures to chemicals such as pesticides, heavy metals and organic solvents. The area of research that includes neurobehavioral methods and effects in occupational and environmental health has been called "Occupational and Environmental Neurology and Behavioral Medicine." The methods, by which early changes in neurological, cognitive and behavioral function can be assessed, include neurobehavioral test battery, neurophysiological methods, questionnaires and structured interview, biochemical markers and imaging techniques. The author presents his observations of neurobehavioral and neurophysiological effects in Tokyo subway sarin poisoning cases as well as in pesticide users (tobacco farmers) in Malaysia in relation to Green Tobacco Sickness (GTS). In sarin cases, a variety effects were observed 6-8 months after exposure, suggesting delayed neurological effects. Studies on pesticide users revealed that organophosphorus and dithiocarbamate affected peripheral nerve conduction and postural balance; subjective symptoms related to GTS were also observed, indicating the effects of nicotine absorbed from wet tobacco leaves. In addition, non-neurological effects of pesticides and other chemicals are presented, in relation to genetic polymorphism and oxidative stress.

Matched MeSH terms: Occupational Exposure*
Fulltext Pulmonary siderosis in an arc welder

Lim KH, Liam CK, Wong CMM

Med J Malaysia, 2000 Jun;55(2):265-7.
PMID: 19839158

An asymptomatic subject with radiographic changes due to welders' siderosis is described. This condition has not been well recognized and described in our community. Siderosis of the lung is generally considered to be a benign condition not associated with respiratory symptoms. However, recent reports have associated welding with various disorders of pulmonary function as well as lung cancer. There is a need for future epidemiological studies to better define the risk of long term welding.

Matched MeSH terms: Occupational Exposure
Fulltext The association of shift work and hypertension among male factory workers in Kota Bharu, Kelantan, Malaysia

Nazri SM, Tengku MA, Winn T

Southeast Asian J. Trop. Med. Public Health, 2008 Jan;39(1):176-83.
PMID: 18567459

Shift work associated with various health problems and there is concern that shift workers are at higher risk to develop hypertension. A cross-sectional study was conducted from December 2003 to May 2004 to compare the prevalence of hypertension and to examine the relationship between shift work and hypertension among 148 randomly selected male workers from one of the factories in Kota Bharu, Kelantan. Information on psychosocial and life-style factors, anthropometric and blood pressure measurements, and fasting blood sugar and lipid profiles analyses were obtained. The prevalence of hypertension was significantly higher among shift workers (22.4%) compared to day workers (4.2%), with p-value of 0.001. Shift work was significantly associated with hypertension (adjusted odds ratio 9.1; 95% CI 1.4-56.7).

Matched MeSH terms: Occupational Exposure
Effects of safety behaviours with pesticide use on occurrence of acute symptoms in male and female tobacco-growing Malaysian farmers

Nordi RB, Araki S, Sato H, Yokoyama K, Wan Muda WA, Win Kyi D

Ind Health, 2002 Apr;40(2):182-90.
PMID: 12064560

The effects of safety behaviours associated with pesticide use on the occurrence of acute organ symptoms in 395 male and 101 female tobacco-growing farmers in Malaysia were studied. We used a 15-questionnaire checklist on safe pesticide-use behaviours and a 25-questionnaire checklist on acute organ symptoms reported shortly after spraying pesticides. Results of stepwise multiple linear regression analysis indicated that no smoking while spraying, good sprayer-condition, and changing clothes immediately after spraying significantly prevented occurrence of acute symptoms just after pesticide spray in male farmers; in female farmers, only wearing a hat while spraying significantly prevented the symptoms. Safety behaviours in pesticide use in male and female tobacco-growing farmers are discussed in the light of these findings.

Matched MeSH terms: Occupational Exposure*
Fulltext Review of knowledge, attitude, and practice among laboratory workers towards occupational safety and health

Nayef Shabbab Almutairi, Shamsul Bahri Bin Md Tamrin, Ng Yee Guan, Vivien How

Malaysian Journal of Medicine and Health Sciences, 2020;16(1):297-303.
MyJurnal

Laboratory workers exposed to diverse occupational exposures to accidents. Evidently, extant, yet very limited em- pirical underpinnings suggest that knowledge, practices and awareness of safety precautions are uncharacteristically poor among laboratory workers. As such, their demonstration of safety-related attitudes and practices have remained questionable. This paper, thus presents a systematic search of the literature on laboratory workers’ safety-related knowledge, attitudes, and practices. Specifically, literature published between 2007 and 2017 that characteristically attempted to evaluate knowledge, attitudes and practices among laboratory workers on Occupational Safety and Health were reviewed. Evidently, results from the review indicate poor knowledge, attitude and practice among the laboratory workers. It is critical that strategies be put in place by the management of the health facilities to institute and undertake activities in the form of training, improved safety management practices, organizational commitment and improved safety culture.

Matched MeSH terms: Occupational Exposure
Fulltext Respiratory conditions in Malaysian asbestos cement workers

Lim HH, Rampal KG, Joginder S, Abu Bakar CM, Chan KH, Vivek TN

Med J Malaysia, 2002 Sep;57(3):340-7.
PMID: 12440274 MyJurnal

A cross-sectional study was conducted to determine the prevalence and type of respiratory conditions including asbestos-related diseases among Malaysian asbestos cement workers. The study population consisted of 1164 workers who had undergone medical surveillance from 1995 to 1997, including full history, physical examination, chest radiography and spirometry. More than half the male workers were smokers or ex-smokers, with smokers having more respiratory symptoms and signs, and reduced FEV1 compared with non smokers. The five most common respiratory conditions diagnosed were bronchial asthma, chronic bronchitis, pulmonary tuberculosis, upper respiratory tract infections and allergic rhinitis. On follow-up, there were also two cases of asbestosis and one case of bronchial carcinoma. The asbestosis cases were probably related to heavy occupational exposure to asbestos fibres in the past, before governmental regulations were gazetted in 1986. Further follow-up is essential for continued monitoring of the health status of asbestos workers.

Matched MeSH terms: Occupational Exposure/adverse effects*
Fulltext The rate of glove perforations in orthopaedic procedures: single versus double gloving. A prospective study

Chan KY, Singh VA, Oun BH, To BH

Med J Malaysia, 2006 Dec;61 Suppl B:3-7.
PMID: 17605178

Glove perforation during surgery has always been a matter of concern as it increases the infection rate and the risk of transmission of blood borne diseases. To determine the common causes, the site and the awareness of glove perforations in orthopaedic surgery, a prospective study was conducted to assess the rate of glove perforation during 130 consecutive orthopaedic operations. All gloves worn by the surgical team were assessed after the surgery using the water-loading test. A total of 1452 gloves were tested, and the rate of perforation was 3.58%. Most of these perforations (61.5%) were unnoticed. The main surgeons had the most perforations (76.9%), followed by first assistants (13.5%) and second assistants (9.6%). Most perforations occurred at the non-dominant hand. The commonest site of perforation was the index finger followed by the thumb. Shearing force with instruments accounted for 45% of the noticed perforations. Majority of these occurred during nailing procedures (33%) and internal fixation without the use of wires (19%). Our rate of glove perforation is similar to other series. Most of them went unnoticed and were mainly due to shearing injuries rather than perforation by sharps. Therefore, there is an increased risk of contamination and break in asepsis during surgery.

Matched MeSH terms: Occupational Exposure
Burnout, Mental Health, and Quality of Life Among Employees of a Malaysian Hospital: A Cross-sectional Study

Woon LS, Tiong CP

Ann Work Expo Health, 2020 11 16;64(9):1007-1019.
PMID: 32918467 DOI: 10.1093/annweh/wxaa075

Burnout and mental health issues are common among healthcare workers. Burnout and mental ill-health may also adversely affect quality of life (QOL). This study aimed to determine the prevalence of burnout, mental ill-health, and QOL among employees of Hospital Bentong in Pahang state, Malaysia. This was a 2-week, cross-sectional online survey for Hospital Bentong employees. It consisted of (i) sociodemographic data, (ii) respondents' perceptions, (iii) Malay-version Copenhagen Burnout Inventory (CBI), (iv) 21-item Depression, Anxiety and Stress scale (DASS-21), and (v) WHO Quality of Life-BREF (WHOQOL-BREF) instrument. In total, 52.4% of hospital employees (N = 251) participated in the study. The burnout rates were 17.5% (personal burnout), 13.9% (work burnout), and 6.0% (client burnout). The prevalence rates of depression, anxiety, and stress were 18.7, 38.6, and 12.0%, respectively. In multivariate regression analysis, personal burnout was associated with Malay ethnicity [odds ratio (OR) = 4.54, 95% confidence interval (CI) = 1.41-18.17], management and professional position (OR = 3.89, 95% CI = 1.34-11.29), and having financial problem (OR = 3.29, 95% CI = 1.53-7.06). Work burnout was associated with management and professional position (OR = 7.26, 95% CI = 1.84-28.59), having problem with colleagues (OR = 2.85, 95% CI = 1.08-7.50), and having financial problem (OR = 4.41, 95% CI = 1.82-10.72), while age (OR = 1.12, 95% CI = 1.00-1.25) and male gender (OR = 7.14, 95% CI = 2.00-25.55) were significant factors for client burnout. There were moderate-to-strong correlations between CBI, DASS-21, and WHOQOL-BREF scores (P values <0.01). In mediation analysis, mental ill-health was shown to have significant mediating effect in the relationship between burnout and poor QOL. Such findings need to be replicated across different hospital settings. Studies on effectiveness strategies to manage identified issues will be required.

Matched MeSH terms: Occupational Exposure*
Noise-induced hearing loss and associated factors among vector control workers in a Malaysian state

Masilamani R, Rasib A, Darus A, Ting AS

Asia Pac J Public Health, 2014 Nov;26(6):642-50.
PMID: 22548779 DOI: 10.1177/1010539512444776

This study aims to determine the prevalence and associated factors of noise-induced hearing loss (NIHL) among vector control workers in the state of Negeri Sembilan, Malaysia. This was an analytical cross-sectional study conducted on 181 vector control workers who were working in district health offices in a state in Malaysia. Data were collected using a self-administered questionnaire and audiometry. Prevalence of NIHL was 26% among this group of workers. NIHL was significantly associated with the age-group of 40 years and older, length of service of 10 or more years, current occupational noise exposure, listening to loud music, history of firearms use, and history of mumps/measles infection. Following logistic regression, age of more than 40 years and noise exposure in current occupation were associated with NIHL with an odds ratio of 3.45 (95% confidence interval = 1.68-7.07) and 6.87 (95% confidence interval = 1.54-30.69), respectively, among this group of vector control workers.

Matched MeSH terms: Occupational Exposure/adverse effects*; Occupational Exposure/statistics & numerical data
Fulltext Farmers and formulations--rural health perspective

Rathinam X, Kota R, Thiyagar N

Med J Malaysia, 2005 Mar;60(1):118-24; quiz 125.
PMID: 16250298

Conventional farming demands excessive use of chemicals in the form of synthetic fertilizers and pesticides, confirming to the norms of Green Revolution. Farmers in general, specifically in the developing countries resort to injudicious and excessive use of pesticides which is linked to the illiteracy and poverty of the rural farming community. Their overriding concern for profitable agriculture, has rendered the health of the farmers at a greater risk of developing dreadful maladies including various type of cancers, reproductive disorders, respiratory, dermal, and neuropsychological problems etc. The possible means of reducing the health risks are discussed, including the global effort to regulate the manufacture, transport and use of highly toxic pesticides. Slow and programmed transition to alternative agriculture and strengthening of farmers' knowledge on health, ecosystem and environment will prove effective.

Matched MeSH terms: Occupational Exposure/adverse effects*; Occupational Exposure/prevention & control
Fulltext A Comparative Study of Respiratory Quality of Life among Firefighters, Traffic Police and Other Occupations in Malaysia

Chean KY, Abdulrahman S, Chan MW, Tan KC

Int J Occup Environ Med, 2019 10;10(4):203-215.
PMID: 31586385 DOI: 10.15171/ijoem.2019.1657

BACKGROUND: Despite its excellent psychometric properties, St George's Respiratory Questionnaire (SGRQ) has not been previously used in measuring respiratory quality of life (RQoL) among traffic police and firefighters who are at risk of poor respiratory health by virtue of their occupations.
OBJECTIVE: To assess and compare the RQoL of the occupationally exposed (firefighters and traffic police) and the occupationally unexposed populations in Penang, Malaysia.
METHODS: We recruited male traffic police and firefighters from 5 districts of Penang by convenient sampling during June to September 2018. Participants completed the SGRQ. Scores (symptoms, activity, impacts, total) were derived using a scoring calculator. Higher scores indicate poorer RQoL. Univariate and multivariate linear regression models were fitted to explore the relationship of the independent predictive factors with participants' RQoL.
RESULTS: We recruited 706 participants---211 firefighters, 198 traffic police, and 297 from general population. Smokers had significantly higher scores than non-smokers in all SGRQ domains. Regardless of smoking status, the "occupationally exposed group" had higher symptoms score than the "occupationally unexposed group," who had higher activity and impact scores. Smoking status, comorbidity status and monthly income were significant independent predictors of SGRQ total score.
CONCLUSION: In comparison with the general population, firefighters and traffic police reported poorer RQoL; smoking further deteriorated their respiratory health. There is a need to strengthen preventive health measures against occupational disease and smoking cessation among firefighters and traffic police.

Matched MeSH terms: Occupational Exposure/statistics & numerical data
Characterization of risk factors for DNA damage among paddy farm worker exposed to mixtures of organophosphates

How V, Hashim Z, Ismail P, Omar D, Said SM, Tamrin SB

Arch Environ Occup Health, 2015;70(2):102-9.
PMID: 24965330 DOI: 10.1080/19338244.2013.823905

This is a cross-sectional study conducted among paddy farmers to characterize potential risk factors that influence levels of DNA damage from exposure to mixtures of organophosphates. Comet assay was used to determine the level of DNA damage by measuring the comet tail length from the exfoliated buccal mucosa. The result suggests that farmers who chronically exposure to a mixture of organophosphates has at least 2-fold significant increase of DNA damage as compared with control group. Factor analysis and linear regression both suggest that DNA damage reported by farmers may influence individual, occupational, and residential factors and are reported as significant predictor factors, whereas this effect is mainly caused by individual factors among the control group. The findings of the present study suggest that either farmer or control group bear certain extent of genotoxic burden contributed by different risk factors.

Matched MeSH terms: Occupational Exposure/adverse effects*

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