Uticaj industrijske buke povišenog spektra na sposobnost slušne percepcije kod radnika

  • Dobrivoje Mihailović Faculty of Organizational Sciences, University of Belgrade, Belgrade, Serbia
  • Nenad Djurić General Affairs and Training Department, Military Medical Academy, Belgrade, Serbia
  • Ivana Kovačević Faculty of Organizational Sciences, University of Belgrade, Belgrade, Serbia
  • Djordje Mihailović High Technology School of Profesional Studies, Arandjelovac, Serbia
Ključne reči: noice, occupational||, ||buka na radnom mestu, occupational exposure||, ||profesionalna izloženost, serbia||, ||srbija, hearing disorders||, ||sluh, poremećaji, auditory perceptual disorders||, ||slušna percepcija,

Sažetak


Uvod/Cilj. Rezultati ranijih studija govore u prilog ideji da mašine koje u proizvodnim halama prave buku različite frekvencije i jačine, mogu prouzrokovati slabljenje slušne sposobnosti radnika. Gubitak sluha prouzrokovan bukom jedno je od najrasprostranjenijih profesionalnih oboljenja. Buka je složeni fenomen, te je stoga potrebno u razmatranje uzeti više faktora, kao što su frekvencija, jačina i dužina izloženosti. Cilj istraživanja bio je da se proveri da li postoje razlike u apsolutnom slušnom pragu između zaposlenih koji su dugotrajno izloženi buci visokog spektra i onih koji su izloženi buci umerenog spektra, pri različitim frekvencijama zvuka. Metode. Istraživanje je obuhvatilo 308 zaposlenih u proizvodnom pogonu preduzeća „Knjaz Miloš“ u Aranđelovcu. Ukupno 205 zaposlenih radilo je u uslovima buke povišenog (4 000–8 000 Hz), dok je njih 103 radilo u uslovima buke standardnog spektra (31,5–2 000,0 Hz). Objektivne mere buke (frekvencije i amplitude) dobijene su pomoću fonometra, a mere apsolutnog slušnog praga za oba uha pomoću audiometra, pri izlaganju zvuku na devet nivoa frekvencija. Podaci su analizirani proverom statističke značajnosti razlika u pogledu apsolutnog praga draži za obe grupe, na svih devet frekventnih nivoa. Rezultati. Rezultati su pokazali da je apsolutni slušni prag značajno viši kod ispitanika izloženih buci višeg spektra i to na frekventnim nivoima od
4 000 i 8 000 Hz. Zaključak. Smanjenje čulne osetljivosti primetno je kod onih radnika koji su izloženi buci višeg spektra, što je naročito vidljivo pri merenjima na višim frekventnim opsezima. Zaposleni su često nesvesni ovih efekata jer su oni posledica dugotrajne izloženosti. Stoga se preporučuju preventivne mere i redovno audiometrijsko testiranje čula sluha.

Biografije autora

Dobrivoje Mihailović, Faculty of Organizational Sciences, University of Belgrade, Belgrade, Serbia
Menadzment ljudskih resursa, redovni profesor
Nenad Djurić, General Affairs and Training Department, Military Medical Academy, Belgrade, Serbia
Odsek za opste poslove i obuku
Ivana Kovačević, Faculty of Organizational Sciences, University of Belgrade, Belgrade, Serbia
Menadzment ljudskih resursa, Docent
Djordje Mihailović, High Technology School of Profesional Studies, Arandjelovac, Serbia
direktor

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