28
views
0
recommends
+1 Recommend
1 collections
    0
    shares
      • Record: found
      • Abstract: found
      • Article: found
      Is Open Access

      Mortality study in an asbestos cement factory in Naples, Italy Translated title: Studio di mortalità in una azienda del cemento amianto a Napoli

      research-article

      Read this article at

      Bookmark
          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          The objective of this paper is to investigate mortality among 1247 male asbestos-cement workers employed in an asbestos-cement plant located in Naples. The cohort included 1247 men hired between 1950 and 1986. The follow-up began on January 1st 1965. The vital status and causes of death were ascertained up to December 31 2005. Cause-specific mortality rates of the Campania Region population were used as reference. Relative risks were estimated using Standardized Mortality Ratios (SMRs), and the confidence intervals were calculated at a 95% level (95% CI). A significant increase in mortality was observed for respiratory disease (81 deaths; SMR = 187; 95% CI = 149-233), particularly for pneumoconiosis (42 deaths; SMR = 13 313; 95% CI = 9595-17 996) of which 41 deaths for asbestosis (SMR = 43 385; 95% CI = 31 134-58 857), for pleural cancer (24 deaths; SMR = 2617; 95% CI = 1677-3893), for lung cancer (84 deaths; SMR=153; 95% CI = 122-189) and for peritoneal cancer (9 deaths; SMR = 1985; 95% CI = 908-3769). Non-significant increases were also observed for rectum cancer (6 deaths; SMR = 157; 95% CI = 58-342). In conclusion, consistently with other mortality studies on asbestos-cement workers performed in different countries, an increased mortality from asbestosis, lung cancer, pleural and peritoneal mesothelioma was detected in the present cohort.

          Translated abstract

          Obiettivo del presente studio è descrivere la mortalità di una coorte di 1247 lavoratori della Eternit di Bagnoli (NA). è stato condotto uno studio di coorte, ristretto agli uomini, che ha incluso 1247 soggetti assunti a partire dal 1950 sino al 1986, con follow up iniziato nel 1965. Lo stato in vita e le cause di morte sono state accertate al 31/12/2005. La mortalità osservata è stata confrontata con quella attesa in base ai tassi di riferimento della popolazione campana. Sono stati calcolati i rapporti di mortalità standardizzati (SMR) per il periodo 1965-2005 ed i corrispondenti intervalli di confidenza al 95% (IC 95%). Un incremento significativo della mortalità è stato osservato per le malattie respiratorie (81 deceduti; SMR = 187; IC 95% = 149-233), in particolare per le pneumoconiosi (42 deceduti; SMR = 13313; IC 95% = 9595-17996; dei quali 41 deceduti per asbestosi; SMR = 43385; IC 95% = 31134-58857), per tumore maligno della pleura (24 decessi; SMR = 2617; IC 95% = 1677-3893), per tumore del polmone (84 decessi; SMR = 153; IC 95% = 122-189) e per tumore maligno del peritoneo (9 decessi; SMR = 1985; IC 95% = 908-3769). Un incremento non statisticamente significativo è stato osservato per il tumore del retto (6 decessi; SMR = 157; IC 95% = 58-342). In conclusione, i risultati del presente studio, coerentemente con l'insieme dell'evidenza epidemiologica relativa agli effetti sulla salute dell'esposizione a cemento-amianto, mostrano un'aumentata mortalità per asbestosi, cancro polmonare, mesotelioma pleurico e peritoneale.

          Related collections

          Most cited references58

          • Record: found
          • Abstract: not found
          • Article: not found

          A review of human carcinogens—Part C: metals, arsenic, dusts, and fibres

            Bookmark
            • Record: found
            • Abstract: found
            • Article: not found

            Methodological issues regarding confounding and exposure misclassification in epidemiological studies of occupational exposures.

            Confounding and exposure misclassification are issues that concern epidemiologists because of their potential to bias results of studies and complicate interpretations. In occupational epidemiology both are routinely raised to argue that an observed result is either a false positive or a false negative finding. Although it is important to consider the potential for limitations of epidemiologic investigations, judgment regarding their importance should be based on their actual likelihood of occurrence. This paper is based on our experience in epidemiologic analyses and a brief review of the literature regarding confounding and exposure misclassification. Examples of substantial confounding are rare in occupational epidemiology. In fact, even for studies of occupational exposures and lung cancer, tobacco-adjusted relative risks rarely differ appreciably from the unadjusted estimates. This is surprising because it seems the perfect situation for confounding to occur. Yet, despite the lack of evidence that confounding is a common problem, nearly every epidemiologic paper includes a lengthy discussion on uncontrolled or residual confounding. On the other hand, exposure misclassification probably occurs in all studies. The only question is, how much? The direction and magnitude of nondifferential exposure misclassification (the type most likely to occur in cohort studies) on estimates of relative risks can be largely predicted given knowledge on the degree of misclassification, that is, relatively small amounts of misclassification can bias relative risks substantially towards the null. The literature, however, is full of discussions implying that misclassification of exposure is an explanation for a positive finding. These comments are not to suggest that all potential limitations for epidemiologic studies should not be considered and evaluated. We do believe, however, that the likelihood of occurrence and the direction and magnitude of the effect should be more carefully and realistically considered when making judgments about study design or data interpretation. (c) 2007 Wiley-Liss, Inc.
              Bookmark
              • Record: found
              • Abstract: not found
              • Article: not found

              Mortality from lung cancer in asbestos workers.

              R Doll (1955)
                Bookmark

                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                aiss
                Annali dell'Istituto Superiore di Sanità
                Ann. Ist. Super. Sanità
                Istituto Superiore di Sanità (Roma )
                0021-2571
                2011
                : 47
                : 3
                : 296-304
                Affiliations
                [1 ] Seconda Università degli Studi di Napoli Italy
                [2 ] Istituto Superiore di Sanità Italy
                [3 ] Università del Piemonte Orientale e CPO Piemonte Italy
                [4 ] ISPO Istituto per lo Studio e la Prevenzione Oncologica Italy
                [5 ] Sapienza Università di Roma Italy
                [6 ] Servizio Epidemiologia e Prevenzione Italy
                Article
                S0021-25712011000300010
                10.4415/ANN_11_03_10
                21952156
                a154b71d-acb8-4be5-ae12-5dc2f0c963b2

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Public Health

                Self URI (journal page): http://www.scielosp.org/scielo.php?script=sci_serial&pid=0021-2571&lng=en
                Categories
                Health Care Sciences & Services

                Health & Social care
                asbestos-cement workers,pleural cancer,lung cancer,peritoneal cancer,mortality study,lavoratori del cemento amianto,tumore della pleura,tumore del polmone,tumore del peritoneo,studio di mortalità

                Comments

                Comment on this article