Hand Arm Vibration Syndrome among Quarry Workers in Vietnam

Futatsuka, Makoto; Shono, Masahiro; Sakakibara, Hisataka; Quan, Pham Quoc

doi:10.1539/joh.47.165

Cited by 37 publications

(39 citation statements)

References 13 publications

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“…There is a huge gap between this study and both previous studies in terms of job duration. This finding is similar with that reported in Vietnam, Papua New Guinea and Indonesia, which concluded that factors of climate (more than 25°C), young workers and shorter work experience play important roles in reducing the vibrating effect 12,13,[23][24][25] . The final factors in this study was the climate condition 12,13,[23][24][25] .…”

Section: Resultssupporting

confidence: 90%

“…This finding is similar with that reported in Vietnam, Papua New Guinea and Indonesia, which concluded that factors of climate (more than 25°C), young workers and shorter work experience play important roles in reducing the vibrating effect 12,13,[23][24][25] . The final factors in this study was the climate condition 12,13,[23][24][25] . Warmer work conditions, which are influenced by the local tropical climate, inhibit the development of vibration-induced white finger 13,[23][24][25] .…”

Section: Resultssupporting

confidence: 90%

“…Both studies showed a higher age group compared to this study (mean=30 yr old). The current study has younger workers with fewer years of exposure to HAV, as similarly reported by Futatsuka in Indonesia and Vietnam (mean=31.2 yr old) 13,[23][24][25] . The mean duration of working exposure to HAV in this study is approximately 2 yr.…”

Section: Resultssupporting

confidence: 56%

“…(62%), Lindsell 22) (98%). However, the prevalence of HAVS in this study was still high compared to the prevalence of the normal population 12,13,[23][24][25] . The prevalence of tingling or numbness in fingers among an unexposed male population is 11.9% 26) .…”

Section: Resultsmentioning

confidence: 95%

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The Characteristics of Vibrotactile Perception Threshold among Shipyard Workers in a Tropical Environment

Tamrin

Jamalohdin

et al. 2012

Ind Health

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The objectives of this study are to determine the prevalence of hand-arm vibration syndrome (haVS) and the characteristics of the vibrotactile perception threshold (VPT) among users of hand-held vibrating tools working in a tropical environment. a cross sectional study was done among 47 shipyard workers using instruments and a questionnaire to determine haVS related symptoms. The vibration acceleration magnitude was determined using a human Vibration Meter (Maestro). a P8 Pallesthesiometer (EMSon-MaT, Poland) was used to determine the VPT of index and little finger at frequencies of 31.5 Hz and 125 Hz. The mean reference threshold shift was determined from the reference threshold shift derived from the VPT value. The results show a moderate prevalence of haVS (49%) among the shipyard workers. They were exposed to the same high intensity level of haVS (mean = 4.19 ± 1.94 m/s 2 ) from the use of vibrating hand-held tools. The VPT values were found to be higher for both fingers and both frequencies (index, 31.5 Hz = 110.91 ± 7.36 dB, 125 Hz = 117.0 ± 10.25 dB; little, 31.5 Hz = 110.70 ± 6.75 dB, 125 Hz = 117.71 ± 10.25 dB) compared to the normal healthy population with a mean threshold shift of between 9.20 to 10.61 decibels. The frequency of 31.5 Hz had a higher percentage of positive mean reference threshold shift (index finger=93.6%, little finger=100%) compared to 125 Hz (index finger=85.1%, little finger=78.7%). in conclusion, the prevalence of haVS was lower than those working in a cold environment; however, all workers had a higher mean VPT value compared to the normal population with all those reported as having haVS showing a positive mean reference threshold shift of VPT value.

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Section: Resultssupporting

confidence: 90%

Section: Resultssupporting

confidence: 90%

Section: Resultssupporting

confidence: 56%

Section: Resultsmentioning

confidence: 95%

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The Characteristics of Vibrotactile Perception Threshold among Shipyard Workers in a Tropical Environment

Tamrin

Jamalohdin

et al. 2012

Ind Health

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“…Increased prevalence or excess risk for neurosensory disturbances, CTS and/or abnormal sensory testing have been reported in crosssectional studies of HTV-exposed workers carried out in several countries (19)(20)(21). Only few studies have investigated prospectively the occurrence of neurosensory disorders in HTV-exposed workers.…”

Section: Exposure-response Relationship For Vibration-induced Sensorymentioning

confidence: 99%

Relationships of neurosensory disorders and reduced work ability to alternative frequency weightings of hand-transmitted vibration

Bovenzi¹,

Prodi²,

Mauro³

2015

Scand J Work Environ Health

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Mechanical Injury to the Skin

Bashir

Chew

2016

Rook's Textbook of Dermatology, Ninth Edition

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Healthy skin is able to withstand the effects of a variety of mechanical forces, such as friction, pressure, contusion and vibration. However, when the force is of sufficient intensity or duration, mechanical injury may occur. Phenomena such as the isomorphic (Koebner) response and Nikolsky sign are of interest to dermatologists when considering the underlying pathology. Other conditions are important to recognize, as they may potentially be confused with skin cancers (black heel, spectacle frame acanthoma) or important dermatological diseases (foreign body reaction, friction blisters, sclerodermiform reaction, semicircular lipoatrophy). Mechanical insult to the skin may reflect an occupational hazard, such as the diverse skin reactions to musical instruments, traumatic effects of sports, hypothenar hammer syndrome and hand–arm vibration syndrome. The diverse presentations of cutaneous mechanical injury are discussed in this chapter.

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Hand Arm Vibration Syndrome among Quarry Workers in Vietnam

Cited by 37 publications

References 13 publications

The Characteristics of Vibrotactile Perception Threshold among Shipyard Workers in a Tropical Environment

The Characteristics of Vibrotactile Perception Threshold among Shipyard Workers in a Tropical Environment

Relationships of neurosensory disorders and reduced work ability to alternative frequency weightings of hand-transmitted vibration

Mechanical Injury to the Skin

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