بررسی اختلال عملکرد ریوی کارگران در معرض مواجهه شغلی با بخارات استایرن در یک صنعت تزریق پلاستیک
فصلنامه بهداشت در عرصه,
دوره 8 شماره 2,
14 December 2020
,
صفحه 1-9
https://doi.org/10.22037/jhf.v8i2.30633
چکیده
زمینه و اهداف: استایرن از جمله مواد شیمیایی آلی فرار میباشد که مواجهه تنفسی با بخارات آن باعث ایجاد عوارض سلامتی مانند اختلالات تنفسی میشود. لذا هدف این مطالعه بررسی اختلال عملکرد ریوی کارگران یک صنعت تزریق پلاستیک با بخارات استایرن است.
مواد و روشها: مطالعه حاضر بهصورت کوهورت-گذشته نگر، در یک صنعت تزریق پلاستیک انجام گرفت. پنجاه نفر از کارکنان خطوط تولید به عنوان گروه مواجهه و 20 نفر از کارکنان اداری به عنوان گروه مواجهه نیافته انتخاب شدند. ابتدا غلظت محیطی استایرن اندازهگیری شد. سپس پارامترهای ریوی کارکنان شامل حجم بازدمی اجباری در ثانیه اول (FEV1)، ظرفیت حیاتی اجباری و پرفشار (FVC)، کسر ظرفیت حیاتی خروجی در ثانیه اول بازدم (FEV1/FVC) و حداکثر جریان بازدمی (PEF) در دو نوبت "ابتدای نوبتکاری" و "بعد از خاتمه کار" بدست آمد. علائم تنفسی این کارکنان با استفاده از پرسشنامه انجمن متخصصین قفسه صدری آمریکا (ATS)، بررسی شد. کلیه مفاد بیانیه هلسینکی در این مطالعه رعایت شد.
یافتهها: نتایج بهدستآمده اختلاف معناداری را در برخی از پارامترهای ظرفیت ریوی شاملFEV1 و FEV1/FVC در ابتدا و انتهای نوبتکاری نشان داد (05/0P <). علائم تنفسی شامل سرفه، سوزش بینی و گلو، گرفتگی صدا و خسخس سینه بین گروه مواجهه یافته نسبت به گروه مواجهه نیافته بهصورت معناداری بیشتر بود (05/0P<).
نتیجهگیری: نتایج نشان میدهد مواجهه با استایرن ارتباط معناداری با کاهش ظرفیت ریوی و بروز علائم تنفسی دارد.
- استایرن
- اختلال عملکرد ریوی
- مواجهه شغلی
- صنعت پلاستیک
ارجاع به مقاله
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