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A Phosphorus Burn

Publisher:Open Science Company, LLC
Nigel Yong Boon Ng, Anas Abdullah, MBBS, MRCSI, and Stephen M. Milner, MBBS, BDS, DSc (Hon), FRCS (Ed), FACS
A Phosphorus Burn
Nigel Yong Boon Ng, Anas Abdullah, MBBS, MRCSI, and Stephen M. Milner, MBBS, BDS, DSc (Hon), FRCS (Ed), FACS

Johns Hopkins Burn Center, The Johns Hopkins University School of Medicine, Baltimore, Md


Correspondence: nigelybng@gmail.com

Keywords: phosphorus, burn, injury, management, grenade
Figure 1.

DESCRIPTION

A 22-year-old soldier suffered a phosphorus burn to his back from the mishandling of hand grenades.

QUESTIONS

1. What are the common causes of phosphorus burns?

2. How does phosphorus burns cause injury?

3. What are the clinical features of phosphorus burns?

4. How are phosphorus burns managed?

DISCUSSION

These burns occur mainly in the military and munitions industry. Patients are usually injured by phosphorus-containing bombs and weapons in the field, or during factory production of munitions or fireworks. Barillo et al1 reported that phosphorus burns accounted for half the cases in 276 burnt patients treated in an American military burns center over 51 years. In homes, phosphorus is a component of common household products such as fertilizer and insecticide, and burns from these sources have been reported.

Phosphorus has a high tendency to stick to skin and when in contact, its highly lipid-soluble property can allow deepening of the burn injury into the subcutaneous tissue. Burning white phosphorus produces smoke, composed of mainly phosphorus pentoxide, an irritant to the eyes and mucous membrane of the respiratory tract. Systemic absorption from skin contact or inhalation causes erythrocyte hemolysis and multiple organ dysfunction.2-4

Phosphorus burns are typically severely painful, necrotic, and yellowish in color with a characteristic smell of garlic. They are commonly full-thickness burns, resulting from chemical and thermal insults. Systemic toxicity manifests in 3 phases: (1) In the first 8 hours, patient may experience gastrointestinal symptoms such as abdominal pain, nausea, vomiting, and diarrhoea; (2) From 8 hours to day 3, patient may be asymptomatic; (3) From day 4 to day 8, multiorgan failure and central nervous system dysfunction may result in death. Clinicians should also be wary of predictable complications such as hypocalcemia, hyperphosphatemia, and cardiac arrhythmia.5 Therefore, close monitoring of electrocardiogram and serum electrolytes are important.

There are no good-quality studies to recommend the optimal management strategy for phosphorus burns. However, there is consensus that thorough irrigation of the wound with saline or water and complete removal of phosphorus particles by debridement are pivotal. Identification of phosphorus particles is facilitated by use of either copper sulphate or ultraviolet light. Copper sulphate converts phosphorus to a black film of cupric phosphide, making small or embedded particles easily visible. However, its use is associated with renal failure and poor outcomes according to a recent Cochrane Review.6 Ultraviolet light provides a safer option and makes phosphorus particles glow. During the debridement process, burnt areas should be immersed in cold water to prevent phosphorus from igniting. While doing so, precautions should be taken to prevent hypothermia. The phosphorus removed should be placed in cold water for safe disposal. Hypocalcemia should be corrected with intravenous calcium gluconate (adult and pediatric dose: 0.1 to 0.2 mL/kg up to 10 mL/dose of a 10% solution). Unfortunately, there is no antidote for phosphorus toxicity.7 Therefore, complete debridement and supportive measures are the key management principles in this group of patients.

REFERENCES

1. Barillo DJ, Cancio LC, Goodwin CW. Treatment of white phosphorus and other chemical burn injuries at one burn center over a 51-year period. Burns. 2004;30(5):448-52.

2. Davis KG. Acute management of white phosphorus burn. Mil Med. 2002;167(1):83-4.

3. Eldad A, Simon GA. The phosphorous burn: a preliminary comparative experimental study of various forms of treatment. Burns. 1991;17(3):198-200.

4. Souba W, Fink MP, Jurkovich GJ, Kaiser LR, Pearce WH, Pemberton JH. ACS Surgery: Principles and Practice. 6th ed. New York, NY: WebMD Professional Publishing; 2007.

5. Eldad A, Wisoki M, Cohen H, et al. Phosphorous burns: evaluation of various modalities for primary treatment. J Burn Care Rehabil. 1995;16(1):49-55.

6. Barqouni L1, Abu Shaaban N, Elessi K. Interventions for treating phosphorus burns. Cochrane Database Syst Rev. 2014;6:CD008805.

7. Centers for Disease Control and Prevention. White phosphorus: systemic agent. Available at: https://www.cdc.gov/niosh/ershdb/EmergencyResponseCard_29750025.html. Accessed January 15, 2015.

JOURNAL INFORMATION ARTICLE INFORMATION
Journal ID: ePlasty Volume: 15
ISSN: 1937-5719 E-location ID: ic15
Publisher: Open Science Company, LLC Published: March 5, 2015

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