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PubMed1981

[Incidence of chronic nonspecific bronchopulmonary diseases among textile industry workers].

700 persons i.e. 98.6% of the workers of the textile plant "Biruna" in Białystok, breathing in such synthetic fibres as acrylic yarn, anilane etc. were examined. The prevalence of chronic nonspecific bronchopulmonary diseases was found to be highly enhanced by smoking, whether in those exposed to dust or in those unexposed (administration). Among the clerical employees, the rate of chronic nonspecific bronchopulmonary diseases in smokers was three times greater than in non-smokers. This referred especially to men. In those exposed to dust, the rate of chronic nonspecific bronchopulmonary diseases was in smokers about twice that of non-smokers. In addition the percentage rate of chronic nonspecific bronchopulmonary diseases was found to increase with length of smoking and number of cigarettes smoked.

Adult↗
PubMed1981

[Migration of chemical substances out of polyamide textile materials].

A sanitary-chemical study on three kinds textile materials with different percentage content of polyamide silk (PAS) was carried out. Migration of chemicals was studied - low molecular compounds of caprolactam (LMC) and triethanolamine in water extracts of the patterns tested. Thin layer chromatographic and spectrophotocalorimetric methods were employed. The summed up content of LMC of caprolactam was established in the first extracts of 5.0 to 7.0 mg/l for the various kinds of cloth, their proper separation in monomers, dimers, trimers, etc. oligomers being attained by the thin layer chromatographic investigation. Monomer content in the first extracts reaches to 1.15 mg/l, decreasing in the following ones to complete disappearing. At the same time dimers, trimers, etc. oligomers content of caprolactam progressively increases. The presence of triethanolamine and optical bleachers is established in the extracts investigated. The attention of the producers is drawn to a stronger control, still under production conditions, for washing out the residual quantities of non-polymerized oligomers and other chemicals of synthetic polyamide materials, aiming at ensuring harmless and biologically inert clothes.

Caprolactam↗
PubMed1980

The flammability of different textiles and its influence on the severity of skin burns.

The flammability hazard of a fabric depends on the chemical nature of the fibre or fibre blend, finishing treatment, fabric structure (tightness, thickness, nap of surface) and the type of garment. Ease of ignition, ease of flame spread and tendency to shrink and melt are important factors. Lately the rate of heat transfer from a flammable fabric has attracted more attention. Now methods have been developed to measure this property, which, from the point of view of skin damage, is extremely important. In this article the flammability properties of common textile materials are discussed in the light of some recent investigations.

Burns↗
PubMed1978

The effects of unsatisfactory working conditions on the epidemiology of unauthorised absenteeism in an old textile factory in Isfahan, Iran.

Comparison of unauthorised absenteeism rates were made between two large textile factories in Isfahan, Iran. The working conditions in the study factory were rather unsatisfactory, unlike the control factory. Comparison showed significantly higher rates for the study factory: the average annual duration per person was 7 days in the study factory versus 2.5 days in the control factory, and lost time percentage was 2.4% in the former versus 0.84% in the control. Inception rate of persons was 0.73 versus 0.48, and point prevalence rates 0.002 versus 0.001, whilst period prevalence rates were 0.016 versus 0.011 for the study and control factories respectively. Examination of the study factory data was made to determine any possible relationship between unauthorised absenteeism rates and age and length of employment. It was found that higher unauthorised rates were found amongst the younger workers, 100% for those age 19 and under, versus 59.6% for those age 50 and over. 9.16% of workers employed for 1--4 years took such leave against 70.14% of those employed for 10 or more years. Only 18.8% of all workers took certified sickness absenteeism and the rate increased with age. It was suggested that worker dissatisfaction toward unsatisfactory working conditions may be expressed in terms of unauthorised absenteeism. In view of the widespread consequences of such absenteeism, it is recommonded that closer attention be paid to improve the quality of working life.

Absenteeism↗
PubMed1995

[Ergonomic problems in the textile industry].

Practical problems from the point of view of ergonomic requirements at workplaces in the textile industry are presented. Health impairments are discussed as possible consequences of poor working conditions. Ergonomic solutions for a number of work operations have been proposed. It has been stressed, however, that with the technology currently in use great improvement cannot be expected in this branch of industry in the near future.

Ergonomics↗
PubMed1994

Mortality patterns among female and male chrysotile asbestos textile workers.

This study updates a retrospective cohort mortality analysis of workers from a South Carolina textile plant where chrysotile asbestos was the primary exposure. The update adds 15 years of observation to the original study, adds analyses of white women and black men, and allows comparison of mortality risks between race/gender groups. The total cohort includes 3,022 workers: 1,229 white women (363 deaths), 1,247 white men (607 deaths), and 546 black men (289 deaths). Statistically significant risks for lung cancer were observed among white women (standardized mortality ratio [SMR] = 2.07; 90% confidence interval [CI] = 1.55-2.71) and white men (SMR = 2.24; 90% CI = 1.83-2.72); both of these groups exhibited positive exposure-response trends. Although the lung cancer risk among black men was lower than expected (SMR = 0.70; 90% CI = 0.42-1.08), a statistically significant increase was observed at high levels of exposure. Statistically significant excess risk for pneumoconiosis and other respiratory diseases were observed for all race/gender groups. Despite the relatively high percentage of white women lost to follow-up and missing death certificates, both of which allow underestimation of the true relative risk, statistically significant excess risks were observed for lung cancer and pneumoconiosis among this group.

Asbestos, Serpentine↗
PubMed1995

Byssinosis and other respiratory disorders among textile mill workers in Bahr Dar northwest Ethiopia.

The prevalence of byssinosis and other respiratory symptoms were studied among 433 workers who were occupationally exposed to cotton dust in Bahr Dar Textile Mill. One-hundred-one nonexposed workers living in the same geographical area were included as controls. All of the subjects completed the British Medical Research Council Questionnaire. Pulmonary function tests were administered on a vitalograph spirometer before starting the shift for all subjects, and after at least four hours of exposure for exposed subjects. Among the cotton dust exposed workers, byssinotics behaved distinctly and showed the maximum acute and chronic changes in pulmonary functions. The overall prevalence of byssinosis was 45.5%. The highest prevalence was found in carding (57.9%) and in ring frame (57.1%) operatives and the lowest in weaving preparatory section (32.1%). Unlike bronchial asthma, chronic cough and chronic bronchitis were significantly higher (p < 0.01) in cotton dust exposed subjects compared with controls. The mean measured values of ventilatory capacity (FEV1 and FVC) are to a significant extent reduced in the exposed groups compared with controls (p < 0.01). In view of the above findings, preventive measures are of paramount importance in minimizing the prevalence of byssinosis and other respiratory disorders.

Adult↗
PubMedDate not supplied

The accuracy of ascertaining vital status in a historical cohort study of synthetic textiles workers using computerized record linkage to the Canadian Mortality Data Base.

Vital status of a cohort of 10,211 Quebec, synthetic textiles workers was ascertained through a probabilistic record linkage to the Canadian Mortality Data Base (CMDB); 5,033 of these workers were also traced using other sources. There was agreement in the vital status of all but 60 of the subjects traced jointly through the CMDB and the alternate sources. 41 subjects were declared 'deceased' from the CMDB but 'alive' from the alternate sources; it is likely that these subjects were indeed deceased. 19 subjects, declared 'deceased' with a fair degree of certainty from the alternate sources, were not identified from the computer search of the CMDB; 17 were found manually on the microfiche death records and two died outside of Canada. The probability of identifying deceased and living subjects from the CMDB was therefore estimated to be 98.2% (95% confidence interval: 97.5-98.7%) and about 100%, respectively. Estimates of cost are also presented, and it is concluded that use of the CMDB is the method of choice for tracing moderate to large cohorts.

Cohort Studies↗
PubMed1996

[Adverse effects on the respiratory system in textile printing sprayers].

OBJECTIVE: To study the initial respiratory effects and those observed 18 months later after the inhalation of toxic and irritant substances in textile aerography workers. SUBJECTS: Seventeen patients (14 women and 3 men), with a mean age of 21 years (range: 18-38). METHODS: Initially, pulmonary effects were assessed by pathological (transbronchial biopsy and/or video-thoracoscopy) and functional findings [spirometry with lung volumes and study of diffusion capacity of CO (DLCO)]. Eighteen months later a challenge bronchial test with histamine was performed. RESULTS: Forty-one per cent of patients had pathologic lesions with intraalveolar fibrin, 35% had minimal non-specific lesions, 18% bronchiolitis obliterans with organized pneumonia (BOOP) and 6% pulmonary fibrosis and BOOP. Functional respiratory test showed two patients with a slight restrictive pattern, one patient with very severe restriction and six patients with low DLCO. The challenge tests was positive for 59% of patients. CONCLUSION: After the massive inhalation of irritant and/or toxic substances, patients presented different types of pathological response at pulmonary level. In our workers histological repairing lesions--of high or low degree--were found, BOOP being the lesions observed most frequently, and different patterns of functional involvement. Fifty-nine per cent of cases developed non-specific bronchial hyperreactivity consistent with a reactive airways dysfunction syndrome.

Adolescent↗
PubMed1977

[Mass examination of women employed in the Lódź textile industry (with special reference to the genitalia)].

The complex examinations of the state of health of 468 women workers of the Central Laboratory of Textile Industry in Lodź were performed. In all women were performed physical and gynecological-biochemical examinations as well as hematological-biochemical ones of the selected blood parameters. It has been stated a high (61,8%) percentage of women with morbid changes or genital organs and lower values of examined blood parameters in spinners, comparing with workers of the finishing department and administration.

Female↗
PubMed1995

Effect of environmental conditions on re-emission of formaldehyde from textile materials.

Furnishing textile materials may be a source of formaldehyde (CH2O) re-emission if this compound is present in the environment. In the examinations performed the effect of temperature (23 degrees C, 35 degrees C) and air humidity (RH: 45%, 85%) upon CH2O re-emission from curtain materials was determined. The source of CH2O emission was particle board. CH2O emission was determined in small glass chambers (13.08 dm3) in controlled conditions, one air exchange per hour at loading factor of 1 m2/m3. The results of these examinations showed that the effect of temperature and humidity upon CH2O adsorption and desorption was different. Increase of temperature from 25 degrees C to 35 degrees C caused increase of the magnitude and rate of CH2O re-emission and the phenomenon intensified at high air humidity.

Air Pollution, Indoor↗
PubMed1998

Arrow damage to textiles--analysis of clothing and bedding in two cases of crossbow deaths.

Two cases of crossbow deaths involving analysis of damage to clothing and bedding are described. The distinctive characteristics of the damage examined in these cases indicate that there is merit in examining damage to clothing as well as wounds to the body in crossbow injuries. Clothing damage analysis may be especially useful if the body is badly decomposed or never recovered. Furthermore, damage to textiles may reflect a clearer geometry of the weapon than that of the associated wounding.

Bedding and Linens↗
PubMed1997

Using epidemiologic tools to control an outbreak of diarrhoea in a textile factory, Bulawayo, Zimbabwe.

Dysentery is endemic in Zimbabwe. More than 260,000 cases and a case fatality of four per thousand were reported in 1993. In late July 1994, the Health Services Department in Bulawayo was informed of two cases of Shigella dysenteriae type I at a textile factory that employs 138 workers. Workers were interviewed at the factory regarding the date of the onset of illness, symptoms, food consumed, and treatment received. Factory water supply, cooking, and sanitary facilities were inspected. Stool and water samples were obtained for analysis. A case was defined as an employee presenting with diarrhoea with onset from July 24 to August 25, 1994. Of the 99 workers on day and evening shifts, 75 (75%) were interviewed. Thirty eight workers met the case definition (Attack Rate 51%). Common symptoms were abdominal cramps (71%), and blood in stools (37%); median duration of diarrhoea was 11 days (range 5 to 32 days). Thirty seven (64%) of 58 workers who drank borehole water were ill compared to one (6%) of the 17 who did not (RR = 10.8, 95% CI = 1.6-73). No food items consumed were significantly associated with the illness. Two different shigella species (2 sonnei and 2 boydii) were isolated from five (13%) of 38 stool specimens. Water samples from the two boreholes yielded numerous faecal coliforms. Neither borehole was registered as required by the municipal bylaws, which also forbid use of borehole water for drinking. The epidemiologic and laboratory evidence implicate contaminated borehole water as the most likely cause of this outbreak. Enforcement of municipal bylaws on drilling, registration and use of boreholes is essential to avoid further outbreaks of waterborne diseases.

Disease Outbreaks↗
PubMed1976

Phototoxic textile dermatitis ("bikini dermatitis").

Phototoxic textile dermatitis with subsequent hyperpigmentation developed in two patients after they wore bikini bathing suits. After extraction of the dye from the bathing suits, 15 fractions could be visualized by two-dimensional thin-layer chromatography. Two of these fractions are found in Disperse Blue 35, an anthraquinone dye known to give rise to occupational phototoxic dermatitis, but which, to our knowledge, has never been reported to cause dermatitis in consumers. One of the two fractions was also found to cause phototoxic reactions in normal subjects.

Adult↗
PubMed2000

Structure determination of two conotoxins from Conus textile by a combination of matrix-assisted laser desorption/ionization time-of-flight and electrospray ionization mass spectrometry and biochemical methods.

Two highly modified conotoxins from the mollusc Conus textile, epsilon-TxIX and Gla(1)-TxVI, were characterized by matrix-assisted laser desorption/ionization and electrospray mass spectrometry and also by electrospray ionization tandem and triple mass spectrometry in combination with enzymatic cleavage and chemical modification reactions. The mass spectrometric studies allowed the confirmation of the sequence determined by Edman degradation and assignment of unidentified amino acid residues, among which bromotryptophan residues and an O-glycosylated threonine residue were observed. Methyl esterification was found necessary for the site-specific assignment of the Gla residues in the peptides.

Alkylation↗
PubMed1999

Development of a solid phase microextraction method for detection of the use of banned azo dyes in coloured textiles and leather

A new method to detect the use of banned azo dyes in the manufacture and treatment of coloured textiles and leather is described. The determination of the azo dyes was made by quantification of aromatic amines generated by reductive cleavage in a citrate buffer medium. The aromatic amines were then extracted from 1 mL of the reaction solution by means of solid phase microextraction (SPME) and determined by gas chromatography/mass spectrometry (GC/MS). We also evaluate accuracy, precision, range of linearity and limit of detection for the eighteen aromatic amines investigated, and show that the method is comparable with current established methods. Copyright 1999 John Wiley & Sons, Ltd.

Journal Article↗
PubMed1987

The health investigation of cotton textile workers in Beijing.

This study reports findings from a survey of byssinosis among 289 cotton workers in certain cotton textile mills in Beijing. Incidence of byssinosis was 4.2% (12 cases). It decreased with a lower concentration of cotton dust and increased with yearly increment of cotton dust exposure. An elevation in body temperature over 37 degrees C was present among 14.2% of the workers on the first working day after rest. Acute lung function decrement was related to high dust concentration in the rooms. The higher the dust concentration in the rooms, the more evident was the chronic lung function decrement. Chronic bronchitis in cotton workers was higher than in controls. Incidence of byssinosis in smoking cotton workers was higher than in nonsmoking cotton workers.

Bacteria↗
PubMed1996

Mass spectrometric-based revision of the structure of a cysteine-rich peptide toxin with gamma-carboxyglutamic acid, TxVIIA, from the sea snail, Conus textile.

A mollusk-specific toxin, TxVIIA, having potent paralytic activity was isolated from the venom of sea snail Conus textile (Fainzilber M et al., 1991, Eur J Biochem 202:589-595). The structure reported above was based upon amino acid analysis and the Edman degradation. We have recently reinvestigated this toxin employing some of the most novel techniques in mass spectrometry. We now report a revised structure based primarily on high-energy collision-induced dissociation analysis of the two Asp17-N peptides of the reduced, pyridinylethyl derivative representing the entire sequence using matrix-assisted laser desorption ionization (MALDI) as CGGYSTYC gamma VDS gamma CCSDNCVRSYCTLF-NH2 (gamma, gamma-carboxyglutamic acid or Gla). The N-terminus of the previous sequence was incorrect, apparently due to a side reaction of reduction and alkylation, which led to the erroneous assignment of Trp for the N-terminal residue. In addition, the last two C-terminal amino acids and the C-terminal amidation had not been detected. Also, a combination of electrospray ionization mass spectrometry and positive and negative ion MALDI mass spectrometry provided information on the molecular weights of the native and derivatized toxin and presence of two Gla residues. Thus, TxVIIA does not have an "unusual" sequence as previously reported, but in fact belongs to the conserved Cys framework for omega- and delta-conotoxins. However, the four net negative charges with the cysteine-rich structure of this revised sequence is highly unusual for conopeptides.

1-Carboxyglutamic Acid↗