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HOME > J Korean Soc Clin Toxicol > Volume 7(2); 2009 > Article
Acute Hydrofluoric Acid Exposure: Our Clinical Experience at Emergency Centers in Two University Teaching Hospitals
Kyu-Hong Han, Jung-Il Yang, Seung-Yook Jo, Yong-Chul Cho, Seung Ryu, Jin-Woong Lee, Seung-Whan Kim, In-Sool Yoo, Yeon-Ho You, Jung-Soo Park
Journal of The Korean Society of Clinical Toxicology 2009;7(2):121-126
DOI: https://doi.org/
Published online: December 31, 2009
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1Department of Emergency Medicine, College of Medicine, Chungnam National University
10Department of Emergency Medicine, College of Medicine, Chungbuk National University
2Department of Emergency Medicine, College of Medicine, Chungnam National University
3Department of Emergency Medicine, College of Medicine, Chungnam National University
4Department of Emergency Medicine, College of Medicine, Chungnam National University
5Department of Emergency Medicine, College of Medicine, Chungnam National University
6Department of Emergency Medicine, College of Medicine, Chungnam National University
7Department of Emergency Medicine, College of Medicine, Chungnam National University
8Department of Emergency Medicine, College of Medicine, Chungnam National University
9Department of Emergency Medicine, College of Medicine, Chungnam National University

Purpose: We investigated the clinical characteristics and demographics of patients who suffered from hydrofluoric acid chemical injury and the mechanism of damage. Methods: We retrospectively reviewed the medical records of patients who were exposed to hydrofluoric acid from March 2004 to March 2009 and who were seen at the emergency centers in two university teaching hospitals. Results: Forty four patients out of 47 patients suffered from chemical burn, while the injuries of the remaining 3 could not be identified by the medical records. A total of 17 hydrofluoric acid chemical injury patients were enrolled during the study period, and their mean age was $29.6{pm}7.0$. All the patients were accidentally injured by contact with the material and none of them inhaled or ingested the material. Only 6 patients wore appropriate protective equipments and 5 underwent the water irrigation for more than 10 minutes. The most common exposure area was the hand and forearm (70.5%). Less than 1% of all of the patients had their total body surface (TBS) exposed to hydrofluoric acid (mean=0.35%). The mean time interval from calcium gluconate administration to pain relief was $33.6{pm}8.8$ hours. Conclusion: When exposed to hydrofluoric acid, it is important to wear protective equipment and undergo water irrigation for more than 10 minutes. Pain and skin damage were observed in all the patients. After treatment, we concluded that administration of calcium gluconate and pain killers was successful in relieving pain, and the prognosis was also positive for the admitted and followed up patients when less than 1% of the TBS was exposed.

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JKSCT : Journal of The Korean Society of Clinical Toxicology