You are called to the bedside by nursing for an elderly patient with the chief complaint of “my insides fell out.” On closer examination, you discover that the patient has suffered from a rectal prolapse. You attempt manual reduction, but have little success. Now what? Check out the latest video by Dr. Whit Fisher to learn what to do.
A 14 month-old female with no significant PMH who presented to the Emergency Department with vomiting. Per mom, patient was well yesterday, but today has been refusing food, crying and vomiting. Patient has had no known sick contacts and her vaccinations are up to date. A review of systems was performed and was otherwise negative.
Vital signs were within normal limits. Patient was listless with decreased responsiveness, but not in distress. No evidence of respiratory compromise. Abdominal exam was unremarkable, with no focal tenderness and no guarding, rigidity or rebound. During the time the examiner was present in the room, the patient had one episode of crying inconsolably and then vomiting.
An abdominal ultrasound was performed and the diagnosis was revealed to be Intussusception
Ultrasound has been shown to be 97.9% sensitive and 97.8% specific for diagnosing ileocolic intussusception. To evaluate for intussusception, start with the high frequency low penetration linear transducer. In most young children this transducer will provide adequate depth. In an older child, you may have to use the higher penetration curvilinear transducer. If available, use warm gel to minimize patient discomfort and thereby increasing your changes of obtaining clear images. Begin in the transverse plane and slide your probe up to the right upper quadrant, across, and then down the left side, interrogating for the intussusception (Figure 1).
Most of the intussusceptions will be found on the right hand side, and are described as a “target sign” when you are viewing the intestinal intussusception in transverse or the “sandwich sign” in long axis. The “lawn-mower” approach can be used, similar to the approach for SBO, and graded compression along your path can help move bowel gas out of the way to better evaluate the intestine. The hyperechoic rings are the mucosa and muscularis and the hypoechoic portion is the submucosa.
Intussusception is the most common abdominal emergency in early childhood, with the majority of cases occurring in patients <2 years of age. It occurs when the bowel telescopes in on itself and gets stuck. The peristaltic waves of the bowel causes waves of pain in the patient. The classic triad is described as pain, vomiting and bloody stools. Ultrasonography is the preferred diagnostic modality to evaluate for intussusception, given the high sensitivity and specificity (97.9% and 97.8% respectively) when performed by a skilled clinician. Ultrasound also has a high negative predictive value (approaching 99.7%) and can rule out intussusception in a majority of patients. Intussusception presents on ultrasound as a peripheral hypoechoic ring surrounding a central echogenic focus described as either a "target sign” or a “doughnut sign.” (Figure 2a) The visualized doughnut represents the layers of the intestinal wall that have invaginated into themselves. Color doppler can be applied to evaluate for tissue ischemia. (Figure 2b) The most common type of intussusception, ileocolic (as in this case) is usually found in the right lower quadrant. There is usually associated focal tenderness in the right lower quadrant (though this patient was non-tender). Treatment of a non-perforated intussusception typically consists of reduction via air enema, but sometimes operative management is indicated.
Faculty Reviewers: Drs. Kristin Dwyer and Erika Constantine
Pediatric Emergency Medicine-Performed Point-of-Care Ultrasound. Retrieved June 22, 2018, from http://www.annemergmed.com/article/S0196-0644(17)31265-9/fulltext
Comparative Effectiveness of Imaging Modalities for the Diagnosis .... Retrieved June 22, 2018, from https://www.ncbi.nlm.nih.gov/pubmed/28268146
UpToDate article on intussusception in children: https://www.uptodate.com/contents/intussusception-in-children?search=intussusception%20in%20children&source=search_result&selectedTitle=1~114&usage_type=default&display_rank=1#H22
Article from Applied Radiology on Ultrasound for Diagnosis and Real-Time Management: https://appliedradiology.com/articles/intussusception-ultrasound-for-diagnosis-and-real-time-monitoring
A previously healthy 12-month-old male was brought to the Emergency Department by his parents 20 minutes after ingesting a laundry detergent pod. The patient’s mother reported finding the child with pieces of the lining of an ALL Mighty Pacs detergent pod in his mouth. She removed the pieces and noted the packet was empty of liquid. At that point, the child started gagging and vomiting “almost immediately.” En route to the ED the patient had 2-3 more episodes of clear emesis. On arrival, he continued to have non-bloody, non-bilious emesis and dry heaves. Vitals were within normal limits with oxygen saturations in the mid 90s. On exam, the child was noted to have a hoarse voice and was mildly somnolent but easily arousable. He was drooling and crying in pain with swallowing, but his oropharynx was otherwise clear. Stridor was noted as well as suprasternal, substernal and supraclavicular retractions. The child was given Zofran, a 20cc/kg fluid bolus and decadron. ENT was consulted for increasing stridor and upper airway symptoms. The patient underwent nasopharyngeal scope at beside and was found to have mild vocal cord edema. He was taken emergently to the OR for definitive airway and bronchoscope. GI was also consulted for endoscopy.
In the OR the child was intubated and underwent formal bronchoscopy and endoscopy. Significant findings included:
- Watery edema of the supraglottic structures
- Mild mucosal changes in the proximal esophagus
- Somewhat nodular proximal esophagus with patchy edema and mild sloughing of the mucosa (Fig 1. a, b, c)
- Mild patchy sloughing and nodularity distally
- One small erosion in the stomach
- Normal duodenum
- Congenital laryngomalacia and elliptical cricoid consistent with congenital subglottic stenosis
Laundry detergent “pods” or “packets” are small, often colorful, dissolvable packs containing concentrated laundry detergent. These laundry capsules have been in Europe since 2001, but were introduced to United States markets in 2010.  Laundry pods have been identified as a threat to pediatric patients who are often attracted to the candy-like appearance of the pods. The most common route of toxicity is via ingestion in patients younger than 5 years of age. Recently, however, teenagers have become a significant percentage of the patient population via the “Tide Pod Challenge,” a viral, social-media campaign that dares teens to eat the pods. Detergent pods are often packaged in soft linings that consist of a water-soluble polyvinyl alcohol membrane that easily dissolves when exposed to saliva or moist skin. The liquid mixture inside is usually composed of an anionic and a nonionic detergent as well as a cationic surfactant. All contain irritants and some brands also contain alkaline substances. The alkaline nature of detergent pods can cause inflammation and mucosal destruction in the oropharynx, larynx and esophagus.
Ingestion of detergent pods is associated with more severe symptoms than traditional laundry detergent. One explanation for this is the concentrated nature of the detergent pack and the ingredients, which may include propylene glycol and ethoxylated alcohols. Propylene glycol is found in great proportion in detergent packets than in typical detergent formulations. It is not clear exactly how detergent pods cause injury, but there are several explanations. When ingested, propylene glycol is metabolized by the liver to form lactate, acetate and pyruvate. The increased lactate results in a metabolic acidosis. The drug is excreted in the urine, but at higher doses of propylene glycol the renal tubules ability to secrete the drug is impaired. In children, propylene glycol remains in the blood longer than in adults, which results in more toxic effects, such as renal failure and CNS depression. Another important ingredient in laundry pods is ethoxylated alcohols, which can cause sedative effects. Lethargy is a unique feature of pod ingestion that is not seen with less concentrated detergent formulations.
|Ingredient||Proposed Effect||Clinical Manifestation|
|Alkalinity||Inflammation and damage to oral, laryngeal and esophageal mucosa||Hoarse Voice, Dysphagia, Drooling, Stridor, Respiratory Distress|
|Multiple||Noxious response||Nausea, vomiting, diarrhea|
|Propylene glycol||Conversion to lactic acid and impaired renal clearance||CNS Depression, Metabolic acidosis, Renal insufficiency|
In the case of any suspected ingestion local poison control should be contacted for advice. Management efforts should initially focus on stabilizing airway, breathing and circulation. If eyes are involved, copious irrigation should begin as soon as possible, as delayed irrigation may be associated with increased morbidity, including burns. Any contaminated clothing should be removed. Activated charcoal, whole bowel irrigation, or gastric lavage is not indicated in the treatment of alkaline ingestions such as detergents. Charcoal and whole bowel irrigation has not been shown to have an effect. Gastric lavage is contraindicated due to risk of perforation and aspiration.
The most important aspects of management are supportive care and symptom control. It is necessary to monitor for respiratory failure and depressed mental status, which may lead to the need for mechanical ventilation. Steroids have been used to mitigate airway edema, but studies have not confirmed their utility. Zofran and other anti-emetics are useful for nausea and vomiting. Fluids should be administered for metabolic derangements or losses secondary to emesis. Endoscopy is important for injury staging and can help to risk stratify patients, however, many complications are delayed. Esophageal stricture is a rare, but possible, long-term sequela.
The patient was admitted to the pediatric ICU for further care and management. On hospital day 1 frothy secretions were noted to be draining from his endotracheal tube. He was treated with Lasix for pulmonary edema and had improvement. Decadron was continued for a total of 4 doses of 0.5mg/kg. Feeds were given via NG tube. On hospital day 2 the child underwent repeat endoscopy to monitor for possible progression of mucosal damage. On hospital day 3 he was successfully extubated. Prior to discharge the patient was tolerating a regular pediatric diet with instructions to avoid acidic foods and juices. On hospital day 4 the child was discharged with ENT and GI follow-up. He was instructed to take omeprazole daily for 4-6 weeks
Faculty Reviewer: Dr. Jane Preotle
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