Archive for the ‘Lung’ Category

Lung Function Among Workers in the Soft Tissue Paper-Producing Industry: Conclusion

In this context, it has also to be discussed whether dust and fiber concentrations in our study are surrogate markers for nondetected exposures at the workplaces. It is well known that in the soft tissue paper-producing industry, a complex exposure situation exists. Moreover lung function impairment has been reported from other work sites with organic […]

Lung Function Among Workers in the Soft Tissue Paper-Producing Industry: Hypothesis

The results of our study do not support the hypothesis that cellulose fiber exposure has a separate or specific effect on lung function. However, a clear separation of specific fiber and dust effects is not possible due to methodologic problems (different units). The interpretation has to take into account the fact that fibers are part […]

Lung Function Among Workers in the Soft Tissue Paper-Producing Industry: Respiratory diseases

It has been a matter of concern whether fiber shape of cellulose containing dusts might be responsible for health complaints and respiratory diseases with lung function impairment. Therefore, inhalable dust and fiber dust concentrations were determined in our study simultaneously. The results of the ambient monitoring revealed very high dust exposures for the inhalable dust […]

Lung Function Among Workers in the Soft Tissue Paper-Producing Industry: Discussion

For FVC, a dose-dependent decrease from 105.4 to 96.9% predicted in the subgroup with highest cumulative dust exposure was observed (Table 3), This effect was also found with relation to cumulative fiber exposure (105.4% predicted and 97.1% predicted). The parameter estimates with relation to dust-years and fiber-years (Table 4) show clear dose-response relationships that are […]

Lung Function Among Workers in the Soft Tissue Paper-Producing Industry: Results

In a third step, odds ratios and p values for the clinically relevant threshold FVC < 80% predicted were calculated for the different exposure subgroups in a logistic regression model incorporating factory, age, sex, body mass index, and smoking habits. All reported p values are two sided, those < 0.05 were considered as significant. The […]

Lung Function Among Workers in the Soft Tissue Paper-Producing Industry: FVC and FEV1

From all subjects, information on occupational history, duration of exposure, workshop within the company, former occupational exposures, and smoking habits were available. Informed written consent was obtained from each participant. Spirometry was performed with a Jaeger-Masterlab (two companies, n = 606) and a Jaeger Flowscreen (n = 441) [Jaeger-Toennies; Wurzburg, Germany] according to American Thoracic […]

Lung Function Among Workers in the Soft Tissue Paper-Producing Industry: Study Population

The study group comprised all persons working in the production unit of nine randomly chosen companies. There was no selection based on exposure intensity, size of the factories, health complaints among employees, or other factors. Data were collected from 1,047 persons. According to the employers’ information, we examined all persons from the different workshops employed […]

Lung Function Among Workers in the Soft Tissue Paper-Producing Industry

In the pulp and paper-producing industry, workers are exposed to a wide variety of hazardous substances. Due to the possible adverse effects on human lungs, fiber-containing dusts are of special interest in occupational medicine. Animal experiments with cellulose fibers and cellulose fiber products (Isofloc; Okologische Bautechnik; Hess, Lichtenan, Germany) showed a relatively high biopersistence. Moreover, […]

New and Emerging Minimally Invasive Techniques for Lung Volume Reduction: Conclusion

Spiration, Inc. (Redmond, WA) began a US Food and Drug Administration-approved clinical trial of vacuum-assisted lung reduction (VALR) in April 2002. The current elastomer sleeve under study is deployed with a button-activated introducer using gentle vacuum pressure to draw lung tissue into the sleeve (Fig 7). The sleeve applies radial compression via a band to […]

New and Emerging Minimally Invasive Techniques for Lung Volume Reduction: Sternotomy

Iwasaki et al described another method of tho-racoscopic plication involving stapling across the apex of the lung, folding the lung at the staple line, and then restapling across the fold, holding the lung in a folded position. Twenty patients with emphysema had unilateral thoracoscopic lung reduction by this method of fold plication. Postoperative air leak […]

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