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Chapter 3. Initial Assessment ofBurn Patient
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F . An example of a cold injury to the foot that has been rewarmed. Cold injuries commonly occur to exposed areas of the face or distal extremities, such as fingers or toes (as in this case). Careful assessment of clinical features following rewarming efforts is essential. In a select group of patients with ischemic wounds that do not reperfuse after rewarming, diagnostic angiography and fibri­nolytic therapies may be warranted
warming (stage 1); insensate or pallid followed by blistering and pain with restored perfusion in response to warming (stage 2); insensate, pallid, or hard followed by hemorrhagic blisters and variable pain or perfusion in response to warm­ing (stage 3) [35]. Depending on the status of reperfusion after thaw, fibrinolytic therapies may be indicated [36].
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M. A. DePamphilis and R. L. Sheridan
Early burn center consultation can facilitate prompt deci­sion-making in equivocal cases.
Electrical Injury
Electrical injuries (see Chap. 13) are classified as either high voltage (>1000 V) or low voltage (<1000 V) [37]. Contact with a low-voltage source may cause locally destructive burn wounds at the contact site but uncommonly result in systemic sequelae (Fig. 3.14). High-voltage exposure is rare but requires meticulous attention due to the potential for massive underlying tissue damage and multisystem trauma [38]. Emergency personnel should extricate the patient from the scene of an electrical exposure with a non-conducting mate-
F . A mid-range electrical injury sustained from contact with a 220-volt power source. Following direct contact with an energy source, current will travel the path of least resistance, gener­ating heat that inflicts deep thermal injury. In this case, contact resulted inlocally destructive burn wounds to the hand and digits of deep- partial thickness (tissues with mottled cherry red and white appearance) and full-thickness injury (waxy, white surface)
Chapter 3. Initial Assessment ofBurn Patient
rial, only once they have been assured that the electrical cur­rent has been turned off.
Patients that present with electrical injuries require a vigi­lant initial assessment, which typically results in referral to a specialized burn center. When collecting an electrical injury­specific history, it is important to gather information related to the voltage and amperage of the source, type of circuit (AC/DC), points of contact, duration of contact, potential for trauma, and any presence of flame or ignition of clothing. Depending on the extent of electrical exposure, a patient may have burn wounds that are accompanied with a set of con­comitant injuries or complications. During the secondary survey, special attention is warranted for the following common examples including compartment syndromes, myo­cardial injury, musculoskeletal injuries, neurologic sequelae, ocular sequelae, myoglobinuria, and renal failure.
Clinicians should be on high alert for concomitant trauma or complications in all patients that present with high-voltage exposure. For these patients cardiac rhythm should be moni­tored for 24–72 hours post-injury, thorough neurological and ocular examinations should be completed, creatine kinase and renal markers should be followed closely, and Foley catheters should be placed to track pigmenturia. Injured extremities should be assessed frequently for intracompartmental edema [39]. Muscle compartments are especially at risk and may require prompt fasciotomy. In some instances, amputation may also be necessary but this decision should be deferred to the specialists at the receiving burn center. A baseline oph­thalmologic examination for late development of cataracts is advisable in patients with high-voltage injuries.
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Non-accidental Injury
Non-accidental injuries include suspected cases of abuse, negligence, assault, self-inflicted harm, or substance abuse. Non-accidental injury is not only limited to children. Any patient should be admitted to the hospital if there is suspicion
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M. A. DePamphilis and R. L. Sheridan
of non-accidental injury, even if the injury itself is of little physiologic significance. During the initial assessment, clini­cians should ensure that they have detailed documentation of the stated history and of the wound presentation. Burn dia­grams should be carefully completed, and photographic doc­umentation is ideal. These injuries will often require special social/emotional support. Psychosocial services and social work should be consulted immediately. Suspicious non­accidental injuries must be filed with the appropriate local and state agencies.
Approximately 20% of burns in young children are associ­ated with maltreatment although this can occur in any age group [40]. The potential for abuse or neglect should be con­sidered for every child. When applicable, important history information that should be gathered as part of the initial assessment include water temperature, duration of contact, caretakers involved, documentation of conflicting reports from involved caretakers, delay in seeking treatment, and prior injuries. Subsequently, during burn wound evaluation of the secondary survey, the following points should be evalu­ated and documented including the uniformity of burn depth, absence of splash marks, sharply defined wound margins, porcelain-contact sparing, flexor sparing, stocking or glove patterns, dorsal location of contact burns of the hand, and localized very deep contact burns (Fig.3.15).
Chapter 3. Initial Assessment ofBurn Patient
F . When assessing a child with burn injuries, it is impera­tive to be familiar with burn patterns that are indicative of child maltreatment. Immersion scald burns secondary to child abuse will typically present with uniform burn depth, defined wound margins, porcelain-contact sparing, flexor sparing, and/or absence of splash marks. Flexor sparing can be detected by the presence of a striped “zebra” pattern of burned-unburned-burned zones at a flexor sur­face, signifying a tightly flexed position at the time of burn. Note the popliteal flexor sparing pattern in this case example, suggesting child abuse tub immersion of the lower extremity (left). Maltreatment should also be considered in cases of contact burns, such as in this case example of an immersion contact burn sustained from a heated iron (right). Note the uniform burn depth with glove pattern distri­bution and well-demarcated margins that are located on the dorsal surface of the child’s hand, a burn pattern consistent with child abuse. Detailed documentation and photography of any evidence consistent with maltreatment are essential. All suspicious cases must be filed with the appropriate local and state agencies
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Chapter 4
Initial Management andResuscitation
LeopoldoC.Cancio andJillM.Cancio
Introduction
Successful initial care of a patient with extensive burns sets the stage for a long recovery process. Although there are many steps on the way to recovery, the first step is one of the most important. Mistakes made during the resuscitation phase of care may cause irreversible damage, leading to loss of life, limb, or eyesight. In this chapter, we will review how to successfully traverse this most important phase of care, focus­ing on the care of the critically ill burn patient. A key message is that early care of a burn patient should be undertaken, whenever possible, in consultation with a burn center.
Big Problem or Little Problem?
An accurate determination of burn size is a key initial step in caring for any burn patient, but burn size is often over­estimated by referring hospitals by a factor of 100% or more
L. C. Cancio (*) · J. M. Cancio US Army Institute of Surgical Research, Fort Sam Houston, San Antonio, TX, USA e-mail: leopoldo.c.cancio.civ@health.mil; jill.m.cancio.civ@health.mil
© The Author(s), under exclusive license to Springer Nature Switzerland AG 2023 J. O. Lee (ed.), Essential Burn Care for Non-Burn Specialists,
https://doi.org/10.1007/978-3-031-28898-2_4
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[1]. There are several reasons why this is problematic. Burn size is a major determinant of fluid resuscitation require­ments. Burn size also influences the decision to intubate, or not to intubate, a burn patient (see below). Burn size, along with age and the presence of inhalation injury, is an indepen­dent predictor of postburn mortality risk [2] and thus is used in triage decisions.
The Rule of Nines can provide a quick estimate of burn size (Fig.4.1). Also, the Rule of Hands is very helpful for small and irregularly shaped burns. It states that at any age, a patient’s hand (palm and fingers) equals about 1% of their total body surface area (TBSA). This initial estimate should then be refined using the Lund-Browder diagram, which divides the body into smaller areas than does the Rule of Nines, and which also takes age-related changes into account. With an accurate burn size estimate in hand, one may then determine whether a patient should be considered for burn center referral. The American Burn Association (ABA) guidelines, in brief, recommend referral of patients who meet the following criteria [3]:
• Burn size of 10% TBSA or greater
• Special mechanisms: inhalation, chemical, electric
• Full-thickness burns
• Functionally significant burns, e.g., hand or face
• Patients with special medical or psychosocial needs
Furthermore, burn size helps determine who should be admitted to an intensive care unit (ICU). All patients with burn size of 20% or greater, and those with possible inha­lation injury, are admitted to the ICU.Previously healthy young persons with burns in the 10–19% TBSA range might be orally resuscitated on a burn ward. On the other hand, those in the 10–19% range who are children, who are elderly, or who have complex medical problems belong in the ICU.