Annals of Occupational and Environmental Medicine

Review

Technetium-99m hand perfusion scintigraphy (Raynaud’s scan) as a method of verification in hand arm vibration syndrome: a review: Taewoong Ha, Hyeoncheol Oh, Jungwon Kim; Ann Occup Environ Med 2022;34:e26. Published online October 11, 2022; DOI: https://doi.org/10.35371/aoem.2022.34.e26

Abstract Abstract in Korean PDF PubReader ePub

It is important to assess the blood flow of fingers in the verification of hand-arm vibration syndrome. In the Republic of Korea, most assessments of the blood flow in the fingers are performed using a cold provocation test with finger skin color change. However, this test is a non-objective method with a relatively low sensitivity, leading to possible social and legal problems. Thus, we reviewed the characteristics of several tests that assess the blood flow in the fingers. Among these tests, using the radioactive isotope method, Raynaud’s scan has a relatively higher sensitivity and specificity than other tests, provides objective results, and is approachable in many hospitals. So we suggest using Raynaud's scan as an alternative test when cold provocation test with finger skin color change is negative in vibration exposed worker.

테크네튬-99m 레이노 스캔을 이용한 수완진동 증후군 진단 리뷰
수완진동증후군의 검증에서는 손가락의 혈류를 평가하는 것이 중요하다. 대한민국에서는 레이노증후군의 업무관련성 평가 시 대부분 손가락의 혈류량 평가를 냉각부하 손가락 피부색 변화 검사만으로 시행하고 있다. 그러나 이 검사는 상대적으로 민감도가 낮은 주관적인 검사방법으로 사회적, 법적 문제가 발생할 수 있다. 따라서 우리는 손가락의 혈류를 평가할 수 있는 여러 검사의 특성을 검토하였다. 이 검사 방법들 중, 방사성 동위원소법을 이용한 레이노스캔은 객관적인 결과를 제공하며 다른 검사방법들에 비하여 상대적으로 민감도와 특이도가 높고 많은 병원에서 접근성이 좋다. 따라서 진동노출작업자에서 냉각부하 손가락 피부색 검사 결과가 음성인 경우 대안검사로서 레이노스캔을 사용할 것을 제안한다.

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Raynaud’s Phenomenon: A Current Update on Pathogenesis, Diagnostic Workup, and Treatment
Hirut Yadeta Ture, Nan Young Lee, Na Ri Kim, Eon Jeong Nam
Vascular Specialist International.2024;[Epub] CrossRef

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Original Article

Association between physical hazardous agent exposure and mental health in the Korean working population: the 5th Korean Working Conditions Survey: Daeil Kwon, Kyeongmin Kwak, Kiook Baek, Youngchan Chi, Sewhan Na, Jong-Tae Park; Ann Occup Environ Med 2021;33:e33. Published online November 8, 2021; DOI: https://doi.org/10.35371/aoem.2021.33.e33

Abstract Abstract in Korean PDF Supplementary Material PubReader ePub

Background

Mental health problems are emerging issues in occupational safety and health, whereas the findings on the relationship between physical hazards and mental health are not consistent. The aim of our study was to investigate the association between physical hazard exposure and mental health outcomes including depression and anxiety.

Methods

We included 48,476 participants from the fifth Korean Working Conditions Survey (KWCS) in this study. The χ² test and logistic regression analyses were conducted to assess the association between physical hazard exposures and mental health. All statistical analyses were performed sex-specifically.

Results

In logistic regression analysis, the odds ratios (ORs) of depression were significantly increased in male workers who were exposed to vibration (severe OR: 1.54, 95% confidence interval [CI]: 1.21–1.95) and noise (severe OR: 1.93, 95% CI: 1.49–2.48) whereas the ORs of depression were not significant in female workers from vibration (severe OR: 0.86, 95% CI: 0.50–1.38) or noise exposure (severe OR: 1.39, 95% CI: 0.84–2.17). The ORs of anxiety were significantly increased in male workers with vibration (severe OR: 1.76, 95% CI: 1.43–2.15) and noise exposure (severe OR: 2.12, 95% CI: 1.69–2.63) whereas the OR between vibration and anxiety (severe OR: 1.45, 95% CI: 0.91–2.21) was not significant in female workers. High or low temperature exposure had significant associations with depression and anxiety in both male and female subjects.

Conclusions

Results of our study suggest that physical hazard exposures may be associated with increased risk of mental health problems including depression and anxiety. These associations are more prominent in male workers in comparison with female workers.

한국 노동인구에서 물리적 위험요인 노출과 정신건강의 연관: 제5차 근로환경조사 자료
목적
산업보건에서 정신건강 문제가 새롭게 대두되고 있으나 물리적 위험요인과 정신건강의 관련성에 대한 일치된 결과는 없었다. 본 연구는 물리적 위험요인 노출과 우울 및 불안의 상관관계를 밝히는 데에 목적을 두고 있다.
방법
본 연구는 제5차 근로환경조사에서 추출한 48,476명을 대상으로 수행하였다. 카이제곱 검정과 로지스틱 회귀분석을 수행하여 물리적 유해인자 노출과 정신건강의 상관관계를 평가하였다. 모든 통계 분석은 성별에 따라 각각 이루어졌다.
결과
로지스틱 회귀분석에서 우울의 오즈비(odds ratio; OR)는 진동(심한 노출 OR: 1.54, 95% 신뢰구간 [confidence interval; CI]: 1.21, 1.95) 및 소음(심한 노출 OR: 1.93, 95% CI: 1.49, 2.48) 노출이 있는 남성 근로자에서 통계적으로 유의하게 증가한 반면 여성 근로자에서는 진동(심한 노출 OR: 0.86, 95% CI: 0.50, 1.38) 및 소음(심한 노출 OR: 1.39, 95% CI: 0.84, 2.17) 모두 통계적 유의성이 나타나지 않았다. 불안의 오즈비는 남성 근로자에서 진동(심한 노출 OR: 1.76, 95% CI: 1.43, 2.15) 및 소음(심한 노출 OR: 2.12, 95% CI: 1.69, 2.63)이 있는 경우 통계적으로 유의한 상승을 보였으나 여성 근로자에서 진동과 불안 간의 오즈비(심한 노출 OR: 1.45, 95% CI: 0.91, 2.21)는 유의하지 않았다. 고온 및 저온 노출의 경우 남녀 모두에서 우울, 불안과 유의한 상관관계가 확인되었다.
결론
본 연구의 결과는 물리적 유해인자 노출이 우울, 불안 등의 정신건강 문제 위험의 증가와 관련이 될 수 있음을 시사한다. 이러한 관계는 여성 근로자보다 남성 근로자에서 더 두드러지게 나타났다.

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Exploring the Chemical Space of the Exposome: How Far Have We Gone?
Saer Samanipour, Leon Patrick Barron, Denice van Herwerden, Antonia Praetorius, Kevin V. Thomas, Jake William O’Brien
JACS Au.2024; 4(7): 2412. CrossRef
Exploring the relationship between adverse working environments and poor psychological states of Chinese workers: A comprehensive study
Feifei Cheng, Yuanyuan Wu, Min Yao, Xin Wang, Ling'ou Li
Journal of Affective Disorders.2024; 351: 442. CrossRef
Association between physical risk factors and sleep disturbance among workers in Korea: The 5th Korean Working Conditions Survey
Inho Park, Seunghan Kim, Yangwook Kim, Byungyoon Yun, Jin-Ha Yoon
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Proposal of Combined Noise and Hand-Arm Vibration Index for Occupational Exposure: Application to a Study Case in the Olive Sector
Raquel Nieto-Álvarez, María L. de la Hoz-Torres, Antonio J. Aguilar, María Dolores Martínez-Aires, Diego P. Ruiz
International Journal of Environmental Research and Public Health.2022; 19(21): 14345. CrossRef

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Original Article

The General Characteristics and Results of the Cold Provocation Test in the Risk Group of HAVS: Jae Kook Yoon, Chang Sun Sim, Myoung Soon Oh, Joo Hyun Sung, Ji Ho Lee, Choong Ryeol Lee, Yangho Kim, Cheol In Yoo, Hun Lee; Korean Journal of Occupational and Environmental Medicine 2012;24(3):207-216. Published online September 30, 2012; DOI: https://doi.org/10.35371/kjoem.2012.24.3.207

Abstract PDF

OBJECTIVES
The cold provocation test for diagnosing the vascular component in hand-arm vibration syndrome (HAVS) is likely to be accepted as an objective test, and a few studies have been performed. However, controversy has continued regarding the diagnostic performance of this method. Although objective methods such as plethysmography and laser doppler flowmetry have been studied, they have not received as much attention as other diagnostic methods. Therefore, our study aim was to spread the awareness of HAVS by reporting the results of the cold provocation test in a hand-transmitted vibration exposure group.
METHODS
The study subjects were 549 workers who had been exposed to hand-transmitted vibrations and reported symptoms in their hands. While the subject immersed both their hands in 10degrees C water for 10 minutes, the skin temperature of 10 fingers was recorded from pre-immersion time to 20 minute postimmersion including 10 minutes immersion time. The recovery rates were calculated from the recorded skin temperatures. The 'decreased recovery rate' criteria were less than 30% at 5 minutes post-immersion and 60% at 10 minute post-immersion.
RESULTS
Of the subjects, 69.1% and 30.9% had more severe symptoms in the right and left hands, respectively. The mean finger skin temperature of the right hand after cold-water immersion for 10 minutes was approximately 10degrees C, which increased gradually with time, but they did not reach the baseline temperature at 20 minutes post-immersion. The deviations of the skin temperature in the subjects were higher in the recovery phase than in the baseline and cold immersion phase. The 3rd finger of both hands showed the lowest 5-minute recovery rate among the fingers examined, and the left 4th finger and right 3rd finger showed the lowest 10-minute recovery rate. Of the subjects, 37.6% and 10.4% of subjects showed a lower recovery rate at 5 and 10 minutes in at least one finger, respectively, while 10.2% showed a lower recovery rate at both 5 and 10 minutes simultaneously in at least one finger.
CONCLUSIONS
The larger deviations in the recovery phase than in the other phases indicated that interindividual differences are more prominent in the recovery phase. There might be no benefit in observing the finger skin temperature for an additional 10 minutes after 10 minutes post-immersion. Overall, approximately 10% of the subjects in the HAVS risk group had HAVS.

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Technetium-99m hand perfusion scintigraphy (Raynaud’s scan) as a method of verification in hand arm vibration syndrome: a review
Taewoong Ha, Hyeoncheol Oh, Jungwon Kim
Annals of Occupational and Environmental Medicine.2022;[Epub] CrossRef
Trend of Human Vibration Research in Korea
Hee-Sok Park
Journal of the Ergonomics Society of Korea.2013; 32(4): 293. CrossRef

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Original Article

Evaluation of Finger Skin Temperature by Cold Provocation Test for Diagnosis of Hand-Arm Vibration Syndrome: Cheol In Yoo, Ji Ho Lee, Choong Ryeol Lee, Hun Lee, Young Hee Choi, Yang Ho Kim; Korean Journal of Occupational and Environmental Medicine 2002;14(2):124-133. Published online June 30, 2002; DOI: https://doi.org/10.35371/kjoem.2002.14.2.124

Abstract PDF

OBJECTIVES
Various objective tests have been widely used worldwide for diagnosing the hand-arm vibration syndrome. Among these, the cold provocation test has been frequently used to confirm the presence of Raynaud's phenomenon. This study was carried out in order to evaluate finger skin temperature by cold provocation test(10 degrees C for 10 minute) for the diagnosis of hand-arm vibration syndrome METHODS: Fifty-eight workers who had been exposed to local vibration were examined. Information concerning age, occupation, types of vibration tools used, presence of subjective symptoms such as vibration induced white finger(VWF), and numbness and tingling were collected. The subjects were classified into three groups according to their symptoms(Vascular, Neural, and No symptom group). In order to examine the applicability of the cold provocation test using water at 10 degrees C for 10 minute, we compared finger skin temperature between the groups.
RESULTS
The mean value of the finger skin temperature at 5 minutes and 10 minutes after cold provocation as well as the recovery rate in the vascular group were significantly lower than that seen in the other groups.
CONCLUSIONS
The evaluation of finger skin temperature by cold provocation test is very useful method for the diagnosis of hand-arm vibration syndrome. The test results will assist in confirming the diagnosis of the hand-arm vibration syndrome.

Citations

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The Health Effects of Whole Body Vibration
Soo-Jin Lee, Soo-Yong Roh
Journal of the Ergonomics Society of Korea.2013; 32(4): 297. CrossRef

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Original Article

A Study on Health Hazards of Cold Exposed Workers: Ho Chu Park, Seol Mi Jung, Deog Hwan Moon, Jong Tae Lee, Dae Hwan Kim, Jung Ho Kim, Jae Il Choi, Yong Shik Hwang, Yong Hee Lee, Chae Un Lee; Korean Journal of Occupational and Environmental Medicine 1999;11(1):80-94. Published online March 31, 1999; DOI: https://doi.org/10.35371/kjoem.1999.11.1.80

Abstract PDF

In order to evaluate the status of cold exposure and its health hazards of workers at cold storage workplaces and to provide basic data for effective health care, the author measured core temperature and also observed clinical symptoms and signs, past and present history, and general health examination data on 99 cold exposed workers for exposure group and 96 non-exposed workers for control group working at 2 food refrigerating companies in Pusan area from January 6, 1998 to February 24, 1998. The results were as follows : 1. There was statistically significant difference in water intake between the exposure and control group and increased urine volume, urine frequency in exposure group without statistically significant difference. 2. Past and present illness in exposure group were hypertension (18.2%), hepatopathy(8. 1%). gastro-intestinal disease(7. 1%). arthritis (4.0%), intervertebral disc herniation(4.0%). and so on, and hypertension, arthritis was statistically significant difference compared to control group. 3. Symptoms inexposure group were. fatigue(89.9%), headache (64.6%), drowsy(63.6%), neck stiffness(59.6%), excessive food intake (59.6%). general weakness(58.6%), hunger(58. 6%), numbness(54. 5%), and so on, and there was statistically significant difference between the exposure and control group except fatigue, drowsy. 4. As results of clinical test abnormality rate of the systolic, diastolic blood pressure and electrocardiogram were significantly higher in exposed group that control. 5. Core temperature in exposure group was statistically significantly lower than control group and the highest statistically significant inverse correlation with the working hours and working frequency of daily mean cold storage. As above results, the author suggested that the further studies should be conducted to evaluate the health status of workers about chronic health effects in cold workplaces and to establish effective health care methods for them.

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Physiological Reaction to Work in Cold Microclimate
Alicja Bortkiewicz, Elżbieta Gadzicka, Wiesław Szymczak, Agata Szyjkowska, Wiesława Koszada-Włodarczyk, Teresa Makowiec-Dąbrowska
International Journal of Occupational Medicine and Environmental Health.2006;[Epub] CrossRef
The Relationship between Cold Exposure and Hypertension
Joon‐Youn Kim, Kap‐Yeol Jung, Young‐Seoub Hong, Jung‐Il Kim, Tae‐Won Jang, Jung‐Man Kim
Journal of Occupational Health.2003; 45(5): 300. CrossRef

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