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Submersion accidents continue to be a significant cause of morbidity and mortality in children and adults. The key to successful management is prevention of these accidents. Proactive efforts to minimize submersion accidents in the community should be made by medical and legislative groups. Anticipatory guidance by primary care physicians, particularly for families and individuals at increased risk, should be performed. Outcomes of individuals who have become victims of submersion accidents can be optimized by the development of a rapid response system, because successful initial resuscitation efforts clearly improve outcomes. For individuals who have nearly drowned and who have arrived in the emergency department, a systematic and aggressive approach needs to be followed with particular emphasis on cardiorespiratory support to optimize neurologic outcome. Despite many studies aimed at developing predictors of outcomes, there is limited information that can be used in a prospective manner to guide the emergency-room physician in limiting the level of interventions. Thus, all aggressive supportive care and resuscitation should be performed at this stage, except in clearly futile situations. Once patients arrive in the ICU, meticulous care, including monitoring of cardiorespiratory and neurologic status and attention to electrolytes and acid-base status, needs to be continued. Besides providing basic supportive measures, the ICU physician should investigate for other associated trauma and medical conditions that may need to be addressed once the patient is stabilized. Patients who have nearly drowned are likely to have long ICU stays, predisposing them to nosocomial infections. Despite efforts at minimizing barotrauma and volutrauma, many patients who have nearly drowned and who need ventilatory support may develop ARDS. The management of these patients is similar to other patients who have ARDS. However, strategies like permissive hypercapnia that are used commonly in patients who have ARDS may not be suitable in patients who have CNS injury. Despite aggressive care, neurologic injury with long-term sequelae secondary to hypoxic ischemic injury remains a major problem in the management of victims of submersion accidents. It is important for the clinician to keep the pathophysiologic and cellular mechanisms of CNS injury in mind, because future interventions are likely to be based on these pathways. Besides providing care for the patient, it is important for the ICU physician to be sensitive to the needs of the family and to support them through this catastrophe that is likely to place a tremendous financial and emotional burden on most of them.

Drowning and near drowning remain a common cause of childhood death and disability. Toddlers aged one through four drown in private swimming pools. Submersions greater than 10 minutes and lack of CPR at the scene or the need for greater than 20 minutes of resuscitation portends a poor prognosis. Management of respiratory failure without neurologic impairment has the most successful outcome. Prevention of drowning morbidity is dependent on constant parental supervision, and immediate and expert CPR.

Near-drowning is a frequently preventable accident that has significant morbidity and mortality for a previously healthy population. It causes an hypoxic-ischemic insult and multisystem organ dysfunction. Effective and aggressive CPR at the scene is the most important therapy presently available. Children needing CPR in an emergency room setting have poor outcome unless the submersion incident occurred in ice-water and the patient is hypothermic upon arrival in the emergency room. Attempts at prevention through parent education, requiring of CPR certification for pool owners, and legislation of barriers around the pool are critical because treatment to improve the outcome of the neurologic insult has proved ineffective.