Shock is a sequelae in trauma and burn patients that substantially increases the risk for morbidity and mortality. The use of resuscitation endpoints allows for improved management of these patients, with the potential to prevent further morbidity/mortality. We conducted a review of the current literature on the efficacy of hemodynamic, metabolic, and regional resuscitation endpoints for use in trauma and burn patients. Hemodynamic endpoints included mean arterial pressure (MAP), heart rate (HR), urinary output (UO), compensatory reserve index (CRI), intrathoracic blood volume, and stroke volume variation (SVV). Metabolic endpoints measure cellular responses to decreased oxygen delivery and include serum lactic acid (LA), base deficit (BD), bicarbonate, anion gap, apparent strong ion difference, and serum pH. Mean arterial pressure, HR, UO, and LA are the most established markers of trauma and burn resuscitation. The evidence suggests LA is a superior metabolic endpoint marker. Newer resuscitation endpoint technologies such as point-of-care ultrasound (PoCUS), thromboelastography (TEG), and rotational thromboelastometry (ROTEM) may improve patient outcomes; however, additional research is needed to establish the efficacy in trauma and burn patients. The endpoints discussed have situational strengths and weaknesses and no single universal resuscitation endpoint has yet emerged. This review may increase knowledge and aid in guideline development. We recommend clinicians continue to integrate multiple endpoints with emphasis on MAP, HR, UO, LA, and BD. Future investigation should aim to standardize endpoints for each clinical presentation. The search for universal and novel resuscitation parameters in trauma and burns should also continue.
Peritonsillar abscess (PTA) is a common deep tissue infection of the head and neck. In the literature, most cases demonstrate PTA following acute tonsillitis; however, less documented are cases arising in posttonsillectomy patients. Here, we report a 45-year-old woman with a history of tonsillectomy 16 years prior, who presented to the emergency department with signs and symptoms consistent with PTA, including sore throat and the presence of a right-sided abscess in the posterolateral oropharynx with apparent pus. The patient reported three previous episodes of right-sided PTA, all of which were addressed via drainage and antibiotic treatment. This episode was treated similarly; cultures from the abscess revealed no growth of organisms. The patient was started on a short course of clindamycin and discharged to follow-up with her primary care physician. Several theories for the etiology of PTA development in post-tonsillectomy patients exist. One theory suggests that PTA may develop in this group of patients due to imperfect margins during the initial surgery, with residual tonsil tissue serving as a nidus for abscess development. Other theories suggest that a congenital fistula may exist in these patients, which, when occluded by scar tissue following a tonsillectomy, may lead to PTA development. Similarly, occlusion of minor salivary ducts has also been suggested to play a role in this unique pathophysiology. Overall, documenting rare cases of PTA development in post-tonsillectomy patients serves as a means of better understanding the complicated etiology behind PTA development and may be able to guide treatment in the future.
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