Naesinee Chaiear

Faculty of Medicine Khon Kaen University · Department of Community Family and Occupational Medicine

Irritant contact dermatitis due to rubber accelerators.

Natural rubber (NR) gloves manufactured from NR latex are widely utilized in various applications as a personal protective device due to their exceptional barrier characteristics in infection control. However, the use of NR gloves was associated with concerns about an NR protein allergy. With comprehensive leaching procedures now a common practice...

Shiftwork is related to an increased risk of several diseases, including gastric ulcers, myocardial infarction, and diabetes. Several shiftwork patterns are related to poor sleep quality, such as a quick returns or extended shifts. This study aimed to find the shiftwork patterns strongly associated with poor sleep quality amongst nurses. A cross-se...

Glove-related contact dermatitis is a common occupational disease in the healthcare industry, and it is categorized as a glove-related allergic contact dermatitis (ACD) and irritant contact dermatitis (ICD). Exposure to powdered latex gloves is a contributing factor in developing glove-related ACD and ICD. This quasi-experimental study aimed to stu...

Background: The occurrence of a cluster of occupational cholangiocarcinoma(CCA) cases among Japanese workers at a small offset printing plant led to the hypotheses that occupational exposure was the root cause of this cancer. Numerous workplace carcinogens can be found at various jobs sites and are integral to various industrial processes. Therefo...

Northeastern Thailand registers the highest worldwide incidence of cholangiocarcinoma (CCA). Most of the cases are associated with liver flukes, while unknown causes comprise approximately 10–30% of cases, and these could be due to occupational exposures. Our aim was to determine the magnitude of occupational causes of CCA in a tertiary hospital in...

This is a case report of one 40-year-old, male patient. He presented with chest tightness and dyspnea. He was discovered by occupational medicine physician. These symptoms occurred at midnight and resulted in emergency treatment at a nearby hospital, after working for three years in a local cotton factory. He was normal on physical examination, but...

Idiopathic pulmonary fibrosis (IPF)-the prototypical progressive fibrosing interstitial lung diseases (PF-ILDs)-is associated with occupational exposure. Other unidentified PF-ILDs may also be work-related. This study aimed to evaluate the magnitude of occupational related causes in unknown aetiology PF-ILDs. We conducted a descriptive study with a...

Objectives The study aimed to develop a 'fit to work' certificate written in a format appropriate for Thai culture and law and to canvas the opinions of stakeholders regarding a 'fit to work' certificate. Methods The Modified Delphi technique was used to canvas the opinions of experts in 13 clinical disciplines and medical law specialties. The stud...

Occupational asthma (OA) is one of the most common occupational lung diseases. There are currently about 300 documented asthmagens. Patients have a chance to be cured if the OA is handled correctly. Diagnostic delay is often due to the attending not taking the occupational history. The aim of our study was to develop a web application that would de...

Background and Objectives: Ionizing radiation (IR) from fluoroscopy in cardiac catheterization laboratory (cath lab) has health effect on health workers. The health workers in cath lab have higher risk for cataracts than other health works 2-4 times. The as low as reasonably achievable (ALARA) principle is applied among cath lab workers exposed to...

Background and objective: Adequate knowledge and proper attitudes alongside correct practice can reduce risk of occupational exposure performing activities related to cytotoxic drugs. This study aimed to assess level of knowledge, attitude and practice of health workers handling cytotoxic drugs at a university hospital in northeastern Thailand. Met...

A medical emergency is a health condition with harmful effects on the body, which can be unpredictable and even life-threatening. Preparedness for medical emergencies is crucial, and planning for this is one of the roles of occupational safety and health management. However, occupational safety and health legislation in Thailand does not cover medi...

The Modified Self-Assessment (MSA) and Present Self-Assessment (PSA) forms are questionnaires used to prioritize the risk of infection of health workers exposed to tuberculosis (TB) in Srinagarind Hospital in Thailand. As MSA was developed from PSA, the validity and reliability of MSA need to be assessed. The research aim is to examine the content...

Objectives This study examined a measles outbreak among health workers in a university hospital admission ward and details of the existing occupational health management system. Methods Secondary data was obtained from two sources: 1) from the Occupational Health and Safety Office outbreak investigation report a post-exposure immunity evaluation wh...

Lung granulomas are uncommon in Thailand. The disease typically develops from an occupational environment and is mostly caused by infection. Herein is a case report of a female patient, aged 48, working as a nurse in an Accident and Emergency Department at a hospital. Eighteen years prior to admission the patient was diagnosed with myasthenia gravi...

Latent tuberculosis infection (LTBI) can develop into tuberculosis (TB). The WHO requires the discovery and management of LTBI among high-risk groups. Health care workers (HCWs) constitute a high-risk group. Factors associated with LTBI among HCWs in Thailand need further study. The current study aimed to explore the factors related to LTBI among T...

Between October 2016 and September 2018, fifteen health workers were diagnosed with tuberculosis (TB) at a tertiary hospital in northeastern Thailand. However, the cases could not be diagnosed as occupational TB according to international standards because of hospital limitations. The use of occupational epidemiological information provides a more...

Flour dust is one of work-related asthma (WRA) allergens. Few researches have been done on WRA symptoms in workers exposed to cassava starch. The aim of this study was to determine the proportion of WRA symptoms and definite WRA in a cassava factory. We conducted a descriptive study in which a sample of 148 employees was identified at a cassava fac...

Measles continues to be an important global health problem despite the implementation of vaccination. Health personnel, a high-risk group, are considered to have immunity to measles. We aimed to investigate the measles immunity status among health personnel during pre-placement at the Faculty of Medicine, Khon Kaen University, northeastern Thailand...

The Work-Related Quality of Life Scale (WRQLS) was developed by Van Laar et al. The Thai version was developed and could be completed in 13.4 min on average with some items having a factor loading of less than 0.4. The aims of this study were (a) to develop a brief Thai version of the WRQLS (brief THWRQLS), and (b) to assess its validity and reliab...

The original version unfortunately contained mistakes. The institution of the author Jitladda Sakdapipanich was wrong.

Our aim was to study the association between the rubber accelerators and predisposing factors of irritant contact dermatitis (ICD) among the semiconductor factory workers. The research design was a historical cohort study. The study population was divided into two groups: (1) the rubber accelerator exposure group, including workers who wore natural...

Attasit Rattanarak, M.D.* Naesinee Chaiear, Ph.D. (Occupational health)* Saran Srikam, M.D., M.Sc. (Health research and management)** Florist was exposed to several occupational hazards, such as fungicide, insecticide, herbicide, and flowers especially many flowers that caused allergic contact dermatitis. Previous studies reported high incidence of...

This study was aimed to explore shiftwork patterns and health status among nurses at a university hospital in northeastern Thailand. A descriptive study was conducted. The study population was 1,221. The data were collected via self-reported questionnaire including personal information and the last month shift schedule. Descriptive statistics were...

Introduction Shift work associated with many health problems, work performance and injury. Disturbance of sleep quality is the main mechanism of shift work effects. Nurses are at risk of many occupational hazards and also shift work. The information about shiftwork and the association of sleep quality amongst nurses of Thailand is still limit. Obj...

Background The lower urinary tract symptoms (LUTS) are more common in women than men. The causes of LUTS come from many factors. Working factor might be one of them. Leading to a study of working factors and non-working factors related to LUTS at electronic parts factory in Khon Kaen province. Methods The case-control study was performed. The tota...

Background: Healthcare workers (HCWs) have a high occupational risk for tuberculosis (TB) infection. Common methods of screening for TB infection are the tuberculin skin test (TST) and interferon-gamma release assays (IGRAs). Objective: The aim of this study was to investigate the agreement of TST and IGRA (QuantiFERON®-TB Gold-In-Tube; QFT-GIT) as...

Background: Health personnel (HP) are at risk of varicella zoster virus (VZV) infection, thus varicella immunity is needed or serious consequences to HP and patient care can result. A varicella immunity profile is not routinely checked in our pre-placement program. The aim of the present study was to determine the proportion of new HP with varicell...

Background: Health workers (HWs) are at high risk for hepatitis B virus (HBV) infection; especially those with no immunity to HBV. Notwithstanding, no prior Thai studies regarding HBV immunity as a fitness for duty program have been published.

Objective: To study a program of post-exposure management for pulmonary tuberculosis (TB) in the hospital setting. Results: Three hundreds and twelve HP were classified as the contact persons and 15 TB patients were confirmed as the index cases. Among 312 HP, 134 (42.9%) was classified as high or medium priority contacts, and 30 of them (22.4%) wer...

Objective: Our aims were (1) to assess the maximum working hours per week relating to good QoWL among doctors in public hospitals in northeastern Thailand; and, (2) to assess the factors relating to good QoWL. Materials and Methods: A cross-sectional analytical study was conducted in 206 good QoWL doctors and 428 not-good QoWL doctors. The Thai Wor...

Objective: (1) To assess the quality of working life among doctors in the university hospitals in the northeastern Thailand. (2) To analyse the strength of association between personal and working factors and good quality of working life (QoWL). Materials and Methods: A descriptive study was performed. The study population was 910 university doctor...

Background: Healthcare workers (HCWs) have a high occupational risk for tuberculosis (TB) infection. Common methods of screening for TB infection are the tuberculin skin test (TST) and interferon-gamma release assays (IGRAs).

Objective: To study a program of post-exposure management for pulmonary tuberculosis (TB) in the hospital setting. Materials and Methods: A study was conducted among hospital personnel (HP) from March 2016 to June 2017. A program of postexposure management for pulmonary TB in the hospital setting was instituted which followed the “Guidelines for th...

Background: Health workers (HWs) are at high risk for hepatitis B virus (HBV) infection; especially those with no immunity to HBV. Notwithstanding, no prior Thai studies regarding HBV immunity as a fitness for duty program have been published. Objective: This study aimed to describe the status of HBV immunity as related to an occupational health pr...

Objective: Our aims were (1) to assess the maximum working hours per week relating to good QoWL among doctors in public hospitals in northeastern Thailand; and, (2) to assess the factors relating to good QoWL. Materials and Methods: A cross-sectional analytical study was conducted in 206 good QoWL doctors and 428 not-good QoWL doctors. The Thai Wor...

Occupational Health and Safety Management System (OH&SMS) at the Faculty of Medicine, KKU started in 2001. In 2003, the Faculty set up the Safety, Health, and Environment (SHE) committee. In 2006, the Faculty established the governing bodies of OH&SMS, including the office of occupational health and safety (OH&S) and a number of occupational health...

Objective: (1) To assess the quality of working life among doctors in the university hospitals in the northeastern Thailand. (2) To analyse the strength of association between personal and working factors and good quality of working life (QoWL). Materials and Methods: A descriptive study was performed. The study population was 910 university doctor...

Background: Health personnel (HP) are at risk of varicella zoster virus (VZV) infection, thus varicella immunity is needed or serious consequences to HP and patient care can result. A varicella immunity profile is not routinely checked in our pre-placement program. The aim of the present study was to determine the proportion of new HP with varicell...

Introduction Work-related asthma (WRA) amongst asthmatic patients in worldwide country are about 15%–25%. In Thailand, there are at least 3 million asthmatics patients but there have never been a figure of WRA presented. This is the first study in Thailand where a proportion of WRA amongst asthmatic patients was figured. Methods A descriptive stud...

Introduction Despite extensive information regarding quality of work life in medical residents in Thailand, however no study has examined the quality of work life (QoWL) amongst hospital doctors in Thailand. The aim of study is to evaluate the QoWL of hospital doctors in the university hospitals in the health area 7. Methods A descriptive study wa...

Objective: Our aim was to determine the occupational exposure level for respirable crystalline silica (RCS) and respirable dust (RD) among sandstone workers. Materials and methods: This study was a descriptive analysis of the occupational exposure to respirable crystalline silica (RCS) and respirable dust (RD), utilizing personal air sampling from...

Background: Work-related asthma (WRA) is the most common chronic occupational lung disease in developing countries and the second most common in developed countries. The median attributable risk of occupational asthma for the population is estimated to be 25%. In Thailand, there are no details on occupational and causative agents vis-à-vis WRA. Aim...

Background and Objectives: Interstitial lung disease (ILD) can be caused by many diseases or through occupational exposure to various hazardous chemicals. Our study presents (a) the clinical information on a patient diagnosed with occupational ILD likely caused by exposure to multiple chemicals-in hydrochloric acid-and (b) an approach for assessing...

Objective: To estimate forced expiratory volume in first second (FEV1) decline after one-year follow-up among sandstone workers with normal or early abnormal International Labour Organization (ILO) classification chest radiographs. Material and Method: Fifty-two sandstone workers with an ILO classification chest radiographs profusion CAG =1/1, FEV1...

Objective This study was aimed to find out the sensitivity and specificity in reading early stage pneumoconiosis radiographs by Occupational Health Doctors (OHDs). Materials and method A screening test was applied. Thirty three of OHD consented to join the study. The test radiographs consisted of 67 normal and early stage pneumoconiosis films. Bef...

Background Respirable crystalline silica (RCS) exposure among cottage industrial results in rising silicosis case. Therefore medical surveillance remains crucial. Recently FEV1 decline has been established as a surveillance tool. Objective To explore the relationship between occupational RCS exposure and FEV1 decline among sand-stone workers who h...

Withdrawn at the author’s request

Accelerated hepatitis B vaccination can rapidly activate immunity against hepatitis B virus (HBV) and reduce rates of post-exposure infection for high-risk healthcare workers. However, no prior Thai studies on accelerated hepatitis B vaccination were published elsewhere. The objective of this study was to measure the proportion of hospital employee...

Objective: The present research aimed: 1) to find out the prevalence of silicosis in the workers who were exposed to inorganic dust presumably silica among sand stone workers, 2) to test the sensitivity and specificity of the questionnaire related to respiratory symptoms and 3) to calculate a weighted kappa analysis between the two radiograph reade...

Objective: To evaluate risk factors for developing latent tuberculosis (LTB) in Thai nurses. Methods: A comparison study was conducted at Srinagarind Hospital, Khon Kaen, Thailand. Clinical factors were compared between persons with tuberculin conversion and those without tuberculin conversion identified by tuberculin skin test. Results: There were...

Objective: This study was aimed to find out the sensitivity and specificity in reading early stage pneumoconiotic radiographs by general practitioners (GP). Materials and method: A screening test was applied. Twenty three of 43 GPs from Nakhon Ratchasima province consented to join the study. The test radiographs consisted of 67 normal and early sta...

Objective: 1) To assess work-related quality of life (WRQOL) among medical residents at a university hospital in northeast Thailand. 2) To determine the strength of the association between personal and working condition components and WRQOL among medical residents. Material and Method: A descriptive study was used to describe the WRQOL among medica...

Background and objective: Pneumoconiosis is common occupational lung disease in many developing countries. The agriculture is the main occupation of workers in Thailand, estimated 24.1 million workers are agriculturist. Almost agriculturists are informal workers so they are not covered by the legal medical surveillance and occupational compensation...

Asthma is a common occupational lung disease and is preventable by removing identifiable allergens. (1) To assess the relationship between occupation and asthma (2) To determine the agents associated with asthma. In this hospital-based, case-control study 153 cases from the Asthma Clinic and 306 non-asthmatic controls from Srinagarind Hospital, Tha...

Background and objective: Pneumoconiosis is common occupational lung disease in many developing countries. The agriculture is the main occupation of workers in Thailand, estimated 24.1 million workers are agriculturist. Almost agriculturists are informal workers so they are not covered by the legal medical surveillance and occupational compensation...

Background Currently available questionnaires for evaluating the quality of worklife do not fully examine every factor related to worklife in all cultures. A tool in Thai is therefore needed for the direct evaluation of the quality of worklife. Our aim was to translate the Work-related Quality of Life Scale-2 (WRQLS-2) into Thai, to assess the vali...

Objectives Our aim was (a) to assess the content validity of a Thai translation/version of a quality of work-life evaluation tool, and (b) to examine its accuracy vis-à-vis nursing in Thailand. Method Descriptive correlation study Forward-backward translating procedures were used to develop the Thai version of the work-related quality of life scale...

Agricultural pesticide utilization is one of the important problems in rural and urban crop-cultivated areas, with the majority of pollutants dispersing via ambient air, water and other natural pathways. This study was therefore conducted in a specially selected village which is known to be a leading vegetable growing area in Khon Kaen Province. Th...

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