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Clinical arterial infusion of calcium gluconate: The preferred method for treating hydrofluoric acid burns of distal human limbs

100%
Zhang Y., Ni L., Wang X., Jiang R., Liu L., Ye C., Xia W., Han C.
International Journal of Occupational Medicine and Environmental Health
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2014
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vol. 27
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issue 1
104-113
EN
Objective: This study was designed to evaluate the efficiency and safety of arterial infusions of calcium gluconate to treat hydrofluoric (HF) acid burns of the distal human limbs. Materials and Methods: Eligible patients with HF burn limbs, collected from January 2008 to October 2011, were given the arterial infusion of calcium gluconate into the injured limbs. The measures of pain were conducted before the infusion, immediately after the infusion, 4 h after the infusion, and 2 days after the infusion by the visual analogy score (VAS). If the VAS score was higher than 4.0 at the time point 4 h after the first infusion, the infusion was repeated. The time of wound healing, and the number and ratio of the cases receiving the surgical operation were also evaluated. Results: A total of 118 patients, male (107 cases) and female (11 cases), were collected, including 64 cases of outpatients and 54 cases of inpatients. The age of the subjects ranged from 16 to 60 years, with the mean age of 37.6. The burn sites were located in the lateral limbs (28 cases) and in the unilateral limbs (90 cases). For 107 cases, the pain scores decreased quickly after the first infusion. The other 11 cases, with the VAS score higher than 4.0 at the time point 4 h after the first infusion, received the second infusion. The average time of wound healing and the ratio of the cases receiving the surgical operation were closely related to the interval from the injury to the reception of infusion. Conclusions: Arterial infusion of calcium gluconate, effectively relieving the pain, blocking wound progressive deepening, and causing no adverse effects, could be the preferential method to treat hydrofluoric acid burns of the distal human limbs.
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Work-related health emergency cases due to hydrofluoric acid exposures reported to Texas poison centers

88%
Forrester M. B.
International Journal of Occupational Medicine and Environmental Health
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2012
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vol. 25
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issue 4
456-462
EN
Objectives Hydrofluoric acid is used in a number of industries. Work-related accidents involving hydrofluoric acid can result in serious injury and death. The intent of this investigation was to describe work-related hydrofluoric acid exposures in Texas. Materials and Methods Work-related hydrofluoric acid exposures reported to Texas poison centers during 2000–2010 were identified. The distribution of exposures was determined for various demographic and clinical factors. Results There were 409 work-related hydrofluoric acid exposures in years 2000–2010. The number of work-related exposures declined from 69 in 2000 to 18 in 2010. The patients were 85.3% male and 96.6% age 20 years or older. The distribution of cases by route of exposure was 69.4% dermal contact, 21.0% inhalation, 12.0% ocular, and 3.7% ingestion. At the time of reporting to Texas poison centers, the patient was already at or en route to a health care facility in 71.9% of the cases and referred to a healthcare facility in 20.5% of the cases. The medical outcome was known or expected to be not serious in 51.6% of the cases. Conclusions Hydrofluoric acid exposures reported to Texas poison centers decreased over the eleven-year period. The patients were almost all adults and primarily male. Most of the exposures occurred by dermal contact followed by inhalation. The majority of patients were managed at healthcare facilities. Slightly over half of the exposures were known or expected to not result in serious outcomes.
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