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First Aid - Wound management

Wound management: control, clean, close

Properly dressing wounds and keeping them clean are crucial for preventing infection.A crewmember cuts his hand while splicing a line. What should you do? Basic wound management begins with controlling bleeding, cleaning the wound to prevent infection, and closing or bandaging it to promote healing and permit continued function.


Most bleeding can be stopped by applying firm pressure directly over the bleeding site. Use any clean material initially, and later use sterile gauze. If the wound is on an extremity, try to elevate it above the level of the heart. Protect yourself from blood-borne pathogens, such as the hepatitis and AIDS viruses, by wearing barrier gloves. Gloves can leak, so be sure to wash your hands or wipe them with an antiseptic towelette after removing them. Dispose of bloody materials by securing them in a waterproof bag.


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Seawater is a rich broth of infectious microorganisms. Treat all wounds, even minor cuts and scrapes, as contaminated and potentially serious; careful cleansing can prevent infection. Clean superficial cuts and scrapes with soap and water (galley water is fine) or use commercial antiseptic wipes containing BZK. Cover small injuries with a liquid antiseptic bandage or a coating of antibiotic ointment together with a waterproof adhesive bandage.

Larger, deeper lacerations are best cleaned using a 10- to 20-ml syringe with an 18-gauge catheter tip to create a high-pressure irrigation stream. Squirt the solution directly into the wound; the pressure will be forceful enough to flush out germs and debris without harming tissues.

Disinfect water for irrigation by adding 10 ml of Betadine (10 percent povidone-iodine) solution to a half-quart of fresh water from the boat’s tanks. Alternatively, reserve a quart of commercial bottled drinking water specifically for wound irrigation. Eyewash solution is another option. It is sterile, non-irritating and is excellent for irrigating wounds. Full strength Betadine, hydrogen peroxide and alcohol can damage tissue and shouldn’t be poured directly into wounds. Remember, “The solution to pollution is dilution.” Be generous with the irrigation.

Wound closure

Many lacerations can be safely closed at sea. The “golden period” for safely closing most wounds is within eight hours after the injury occurs; beyond this period, the risk of infection increases. Closing minor soft tissue wounds is desirable to reduce the risk of infection and achieve a better cosmetic result; however, wound closure is never necessary.

Some wounds always carry a high risk of infection — for example, wounds inflicted by animals or marine creatures (seals, sharks, eels, fish teeth, spines), puncture wounds, deep wounds on the hands or feet, and those that contain a great deal of crushed or damaged tissue. Wounds containing imbedded foreign material (coral debris, sand, sea urchin spines) should be left open to drain.

As a rule, any soft-tissue wound that penetrates beyond the yellow layer of fat is likely to involve the fascia — the tough, shiny white layer — and the tissue beneath it (muscle, tendons, bone or joint). If you see white or red tissue in the wound, it is a deep wound. These should never be closed, because of the high risk of infection by entrapped bacteria. If in doubt, do not close.

High-risk wounds, and those that have aged beyond the golden period, are best left open to drain. Pack them daily with 4-by-4 gauze dressings moistened with disinfecting solution, and bandage them. Puncture wounds are difficult to clean. It’s best to use hot soaks with fresh, clean water four times daily for 15 minutes. You can boil galley water and let it cool until it is comfortable. Seek medical consultation when treating any of these wounds; they require antibiotic therapy and careful follow-up.

There are various materials for closing wounds: sutures, staples, tissue glue, butterfly bandages, adhesive closure strips, even duct or sail tape. Your choice depends on your experience, medical supplies and comfort level. Wound closure strips are easy to apply and are a preferred way to close a deep cut in the marine environment. They also are easy to remove, should that become necessary.

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