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¼Ò±Ô¸ð ÁÖ¹°°øÀå ±Ù·ÎÀÚÀÇ Æó±â´É Lung Function in Workers at Small Foundries

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±è¼¼¿µ ( Kim Se-Young ) 
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±èÁ¤ÀÏ ( Kim Jeong-Il ) 
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Á¤ÁöÇö ( Jung Ji-Hyeon ) 
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ÃÖ¼®È¯ ( Choi Suk-Hwan ) 
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Á¤°©¿­ ( Jung Kap-Yeol ) 
µ¿¾Æ´ëÇб³ ÀÇ°ú´ëÇÐ »ê¾÷ÀÇÇб³½Ç

Abstract

¸ñÀû: ºÐÁø°ú Èâ, °¢Á¾ À¯ÇØ°¡½º¿¡ µ¿½Ã Æø·ÎµÇ´Â 50ÀÎ ¹Ì¸¸ÀÇ ¼Ò±Ô¸ð ÁÖ¹°°øÀå ±Ù·ÎÀÚµéÀÇ Æó±â´ÉÀ» Æò°¡ÇÏ¿´´Ù.

¹æ¹ý: ¿¬±¸´ë»óÀÚ´Â »ó½Ã 5ÀÎ ÀÌ»ó 50ÀÎ ¹Ì¸¸ÀÇ ºÎ»êÁö¿ª 12°³ ¼Ò±Ô¸ð ÁÖ¹°ÀÛ¾÷Àå¿¡ ±Ù¹«ÇÏ°í ÀÖ´Â ³²ÀÚ ±Ù·ÎÀÚ 148¸íÀ» ³ëÃⱺÀ¸·Î, ºÐÁø ¹× À¯ÇØ°¡½º µî¿¡ Á÷¾÷ÀûÀ¸·Î ³ëÃâµÇÁö ¾ÊÀº ºñÁÖ¹°±Ù·ÎÀÚ 202¸íÀ» ºñ±³±ºÀ¸·Î ÇÏ¿´´Ù. Æó±â´É ÁöÇ¥·Î FVC, FEV1, FEV1 /FVC %,PEF, MMEF¿Í È£±â FVCÀÇ 25%, 50% ¹× 75% ½ÃÁ¡¿¡¼­ÀÇ ÃÖ´ëÈ£±â±â·ùÀÎ FEF25, FEF50 ¹× FEF75¸¦ ÃøÁ¤ÇÏ¿© ÁÖ¹°ÀÛ¾÷ ³ëÃⱺ°ú ºñ±³±ºÀ» ºñ±³ºÐ¼®ÇÏ¿´´Ù.

°á°ú: ÁÖ¹°ÀÛ¾÷ ³ëÃⱺÀÌ ºñ±³±º¿¡ ºñÇØ FEF25¸¦ Á¦¿ÜÇÑ ¸ðµç Æó±â´É ÃøÁ¤Ä¡°¡ À¯ÀÇÇÏ°Ô °¨¼ÒÇÏ¿´´Ù. ´ë»óÀÚ¸¦ Èí¿¬À¯¹«·Î ³ª´©¾úÀ» ¶§ Èí¿¬±º¿¡¼­ FEF25¸¦ Á¦¿ÜÇÑ ¸ðµç ÃøÁ¤Ä¡°¡ ³ëÃⱺÀÌ ºñ±³±º¿¡ ºñÇØ À¯ÀÇÇÏ°Ô ³·¾ÒÁö¸¸ ºñÈí¿¬±º¿¡¼­´Â ¸ðµç Æó±â´É ÁöÇ¥ÀÇ À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù. ºñ±³±º¿¡¼­ FVC%, FEV1%¸¦ Á¾¼Óº¯¼ö·Î ´ÙÁßȸ±ÍºÐ¼®À» ½ÃÇàÇÏ¿´À» ¶§ ±Ù¹«³â¼ö°¡ Áõ°¡ÇÔ¿¡ µû¶ó FVC%°¡ °¨¼ÒÇÏ¿´´Ù.

°á·Ð: ¼Ò±Ô¸ð ÁÖ¹°°øÀå ±Ù·ÎÀÚ´Â ÀÛ¾÷ Áß ¹ß»ýÇÏ´Â ºÐÁø, Èâ, °¡½º µîÀÇ º¹ÇÕ³ëÃâ·Î Æó±â´ÉÀÌ ÀúÇϵǸç, Èí¿¬ÀÇ È¿°ú°¡ ºÎ°¡ÀûÀ¸·Î ¿µÇâÀ» ¹ÌÄ£´Ù°í »ý°¢ÇÑ´Ù. µû¶ó¼­ Æó±â´ÉÀÌ ÀúÇÏµÈ ÁÖ¹°°øÀå ±Ù·ÎÀÚ¿¡¼­ ÁÖ±âÀûÀÎ Æó±â´É °Ë»ç°¡ ½Ç½ÃµÇ¾î¾ß ÇÏ¸ç ±Ý¿¬°ú È¿°úÀûÀΠȣÈí±â º¸È£±¸ÀÇ Âø¿ëÀÌ ±ÇÀåµÈ´Ù.

Objectives:This study investigated lung function in workers exposed to dusts, fumes and noxious gases at small foundries.

Methods:Lung function was measured in 148 male workers from 12 small foundries and 202 unexposed male workers. Pulmonary function tests performed included: forced vital capacity (FVC), forced expiratory volume in one second (FEV1), percent of FEV1/FVC (FEV1/FVC%), maximum mid-expiratory flow (MMEF), peak expiratory flow (PEF), and forced expiratory flow at 25, 50, and 75% of expired FVC (FEF25, 50, 75)

Results:Mean values of all ventilatory indices except FEF25 of foundry workers were significantly lower than those of controls. Specifically, following stratification by smoking habits, all ventilatory indices except FEF25 of foundry workers were significantly lower than those of controls who smoked; however, there were no significant differences observed in any ventilatory indices between nonsmoking exposed workers and controls. The results of multiple linear regression analysis indicated work duration as a significant predictor of a decrease in FVC%.

Conslusions:This research indicates that combined occupational exposure to dust, fumes, and gases in small foundries is associated with a reduction in lung function. Smoking may also contribute to respiratory abnormalities. These results suggested that foundry workers should be required to undergo periodic lung function tests and-in addition to not smoking, efficient use of personal protection equipment while at work is recommended.

Å°¿öµå

Lung function; Foundry workers; Smoking

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