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Neuroblastoma in a 3-year-old boy presenting with pain in the bilateral hip and abdomen.

Jae Hyun KWON ; Jung Heon KIM ; In Hye SONG ; Jeong Min RYU

Pediatric Emergency Medicine Journal.2016;3(2):59-64. doi:10.22470/pemj.2016.3.2.59

A 3-year-old boy presented to our emergency department with a 3-week history of pain in the bilateral hip and abdomen that had persisted through antibiotic therapy based on diagnosis of acute osteomyelitis. At presentation, he had fever, anemia, and increased concentration of lactate dehydrogenase. After the identification of a left adrenal mass indicating neuroblastoma on computed tomography scan, he was admitted to the hospital by a pediatric oncologist. Subsequently, positron emission tomography and bone scintigraphy showed disseminated metastasis to the bone and bone marrow, and neuroblastoma was pathologically confirmed. This case highlights the importance of differential diagnosis of non-traumatic hip pain in toddlers considering the protean manifestations of neuroblastoma.
Abdomen* ; Anemia ; Bone Marrow ; Child ; Child, Preschool* ; Diagnosis ; Diagnosis, Differential ; Emergencies ; Emergency Service, Hospital ; Fever ; Hip* ; Humans ; L-Lactate Dehydrogenase ; Male* ; Neoplasm Metastasis ; Neuroblastoma* ; Osteomyelitis ; Positron-Emission Tomography ; Radionuclide Imaging

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Difference in the epidemiologic and clinical characteristics by age groups of the children who visited a hand center emergency department with a hand injury requiring surgery.

Donghun KWAK ; Shindeuk LEE ; Jinhyun YOO ; Hyunwoong NOH ; Yunjun KIM ; Insung KIM

Pediatric Emergency Medicine Journal.2016;3(2):53-58. doi:10.22470/pemj.2016.3.2.53

PURPOSE: We aimed to describe the difference in the epidemiologic and clinical characteristics by age groups of the children with hand injuries requiring surgery who visited the emergency department (ED) of a community hospital that runs a hand center. METHODS: We reviewed 388 consecutive children with hand injuries requiring surgery, aged < 16 years, who visited the ED from January 2011 through September 2016. Information was obtained regarding age and gender of the children, seasonal and daily distribution of the visits, location, cause, site, and level of the injury, the diagnosis, and presence of serious injury. The children were classified into 3 age groups; toddlers (0 to 3 years), preschoolers (4 to 6 years), and schoolers (7 to 15 years). Severe injury was defined as amputation or crush injury. RESULTS: Mean age of the children was 7.4 ± 5.0 years and boys accounted for 65.7%. The most frequent visits occurred during the weekend (53.1%) and in spring (30.7%), and most children visited the ED with injuries that occurred at home and indoors (55.2% and 79.9%, respectively). The most common cause, site, and level of the injury were sharp object (34.8%), fingers other than the thumb and index finger (64.7%), and the distal phalanx (46.7%), respectively. In the toddler group, domestic, indoor, door-related, and distal phalanx injuries were more common than in the schooler group (P < 0.001). Physical contact or sharp object-related injuries increased with increasing age (P < 0.001). Severe injuries were more common among the toddlers than the schoolers (P < 0.001). CONCLUSION: In the toddler group, domestic, indoor, door-related, distal phalanx, and severe injuries were more common than in the schooler group. These characteristics by age groups would aid in preventing hand injury in children, especially toddlers.
Amputation ; Child* ; Diagnosis ; Emergencies* ; Emergency Service, Hospital* ; Fingers ; Hand Injuries* ; Hand* ; Hospitals, Community ; Humans ; Pediatrics ; Seasons ; Thumb

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Utility of end-tidal carbon dioxide monitoring in intramuscular ketamine sedation in the pediatric emergency department.

Hyung Jun YANG ; Hyo Yeon SEO ; Jae Ryoung KWAK ; Ji Sook LEE

Pediatric Emergency Medicine Journal.2016;3(2):48-52. doi:10.22470/pemj.2016.3.2.48

PURPOSE: Recently, the use of end-tidal carbon dioxide (ETCO₂) monitoring has been suggested for early detection of hypoventilation over oxygen saturation (S(P)O₂) monitoring. We aimed to determine the usefulness of capnography in monitoring patients sedated using intramuscular (IM) ketamine in the pediatric emergency department (ED). METHODS: This study retrospectively reviewed medical records of patients younger than 16 years who were sedated using IM ketamine and whose ETCO₂ values were documented in the ED. Age, sex, American Society of Anesthesiologists physical status classification (ASA classification), and purpose of sedation were investigated. Vital signs were recorded at pre-sedation, 5 and 10 minutes after sedation, and after recovery. Hypoventilation was defined as S(P)O₂< 95%, ETCO₂≥ 50 mmHg or ≤ 30 mmHg, or increase in ETCO₂≥ 10 mmHg from the baseline without tachypnea. RESULTS: A total of 49 patients were investigated; 42 of them belonged to ASA classification I, and 7 to II. There was no patient with S(P)O₂< 95%, or ETCO₂≥ 50 mmHg, or increase in ETCO₂≥ 10 mmHg from the pre-sedation value. However, 5 patients had an ETCO₂≤ 30 mmHg, and 4 of them (8.2%) had normal respiratory rate and were suitable for hypopneic hypoventilation. Ten patients showed abnormal range of ETCO₂ (normal range, 35-45 mmHg), but did not meet the definition of hypoventilation. No one had clinically serious respiratory events. CONCLUSIONS: During sedation using IM ketamine, 8.2% of the patients had hypopneic hypoventilation without hypoxemia, and they were all younger than 36 months. Capnography for patients sedated using IM ketamine in the ED is useful in detecting hypopneic hypoventilation, and has the potential for preventing clinically serious respiratory events in patients, especially toddlers.
Anoxia ; Capnography ; Carbon Dioxide* ; Carbon* ; Classification ; Conscious Sedation ; Emergencies* ; Emergency Service, Hospital* ; Humans ; Hypoventilation ; Ketamine* ; Medical Records ; Oxygen ; Pediatrics ; Respiratory Rate ; Retrospective Studies ; Tachypnea ; Vital Signs

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Underestimated risks of rare-earth magnet ingestion in children: when does it need surgery?.

So Hyun NAM

Pediatric Emergency Medicine Journal.2016;3(2):43-47. doi:10.22470/pemj.2016.3.2.43

This review discusses an underestimated risk of rare-earthmagnet (henceforth, magnet) ingestion in children and its surgical indication. Due to the ubiquity of magnets, the incidence of magnet ingestion has rapidly increased. While most foreign body ingestions show spontaneous passage, multiple magnet ingestion requires surgery in 30%-70% of the cases. Multiple magnets can attract each other across the bowel wall, leading to pressure necrosis, and subsequently, fistula, perforation, obstruction or volvulus. After recognizing magnet ingestion, the number of magnets should be checked using radiographs. In case of multiple magnet ingestion, surgery should be promptly considered.
Child* ; Eating* ; Fistula ; Foreign Bodies ; Gastrointestinal Tract ; Humans ; Incidence ; Intestinal Volvulus ; Necrosis ; Neodymium

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Tumor lysis syndrome.

Hyery KIM

Pediatric Emergency Medicine Journal.2016;3(2):37-42. doi:10.22470/pemj.2016.3.2.37

Tumor lysis syndrome (TLS) is an oncologic emergency due to the rapid lysis of tumor cells and subsequent release of large amounts of intracellular potassium, phosphate, and uric acid into the bloodstream. Precipitation of uric acid and/or calcium phosphate crystals in the renal tubules can result in acute kidney injury. TLS is frequently observed in children with malignancy, which has high tumor burden, rapid cell turnover or high chemosensitivity (particularly, Burkitt's lymphoma and acute lymphoblastic leukemia), following the initiation of cytotoxic therapy. The current recommendations for prophylaxis and management are based on the TLS risk stratification. It is essential to administer adequate fluid and hypouricemic agents (allopurinol and/or rasburicase) to prevent acute kidney injury. In children susceptible to TLS, prompt diagnosis and aggressive treatment, such as renal replacement therapy, should be performed through close monitoring.
Acute Kidney Injury ; Burkitt Lymphoma ; Calcium ; Child ; Diagnosis ; Emergencies ; Humans ; Hyperkalemia ; Hyperphosphatemia ; Hyperuricemia ; Hypocalcemia ; Monitoring, Physiologic ; Potassium ; Primary Prevention ; Renal Replacement Therapy ; Tumor Burden ; Tumor Lysis Syndrome* ; Uric Acid

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The diagnosis of Kawasaki disease in a 10-year-old girl presenting with cervical lymphadenopathy and fever suggesting retropharyngeal abscess.

Soyun HWANG ; Jea Yeon CHOI

Pediatric Emergency Medicine Journal.2017;4(2):102-105. doi:10.22470/pemj.2017.00115

Given that Kawasaki disease (KD) can cause cardiac complications, it is crucial to diagnose and treat the disease in the emergency department. We report a case of a 10-year-old girl who presented to the emergency department with cervical lymphadenopathy and fever. The initial diagnosis was retropharyngeal abscess based on computed tomography findings, but antibiotic therapy failed and she was subsequently diagnosed with KD. After 3 doses of intravenous immunoglobulin along with methylprednisolone and methotrexate, she was discharged on hospital day 21. The cervical lymphadenopathy suggesting retropharyngeal abscess might be an early sign of incomplete or intravenous immunoglobulin-resistant KD.
Child* ; Diagnosis* ; Emergency Service, Hospital ; Female* ; Fever* ; Humans ; Immunoglobulins ; Lymphatic Diseases* ; Methotrexate ; Methylprednisolone ; Mucocutaneous Lymph Node Syndrome* ; Neck Pain ; Retropharyngeal Abscess* ; Vasculitis

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Association between the Korean Triage and Acuity Scale level and hospitalization of children with abdominal pain in the emergency department.

Sehoon KIM ; Seon Hee WOO ; Kyong Ho CHOI ; Young Min OH ; Se Min CHOI ; Yeon Young KYONG

Pediatric Emergency Medicine Journal.2017;4(2):97-101. doi:10.22470/pemj.2017.00108

PURPOSE: The Korean Triage and Acuity Scale (KTAS) is a triage tool for patients in the emergency department (ED). We aimed to investigate the association between the KTAS level and hospitalization of children with abdominal pain, a common chief complaint in the ED. METHODS: This study retrospectively reviewed medical records of children aged 3 to 14 years who visited the ED with abdominal pain as a chief complaint. KTAS level (1–3 vs. 4–5), age, gender, presence of associated symptoms (vomiting, diarrhea, hematochezia, and fever), and disposition (rapid discharge, discharge after intravenous hydration, and hospitalization) were collected and compared between the children with KTAS 1–3 and 4–5. RESULTS: Of 1,050 children enrolled, 618 (58.9%) were classified as KTAS 1–3, and 36 (3.4%) were hospitalized. Vomiting was the most common associated symptom in both groups (63.6%), and 41.5% underwent discharge after intravenous hydration. The children with KTAS 1–3 were more frequently hospitalized (5.0% vs. 1.2%, P < 0.001). CONCLUSION: The KTAS may be reliable to predict the hospitalization of children with abdominal pain in the ED with additional consideration of the associated symptoms.
Abdominal Pain* ; Child* ; Critical Illness ; Diarrhea ; Emergencies* ; Emergency Medicine ; Emergency Service, Hospital* ; Gastrointestinal Hemorrhage ; Hospitalization* ; Humans ; Medical Records ; Pediatrics ; Retrospective Studies ; Triage* ; Vomiting

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Comparison of sedation outcome according to the dose of chloral hydrate in children requiring laceration repair.

Bo Kyeong SEO ; Areum KIM ; Hyun Min JUNG ; Ah Jin KIM ; Seung Baik HAN

Pediatric Emergency Medicine Journal.2017;4(2):92-96. doi:10.22470/pemj.2017.00024

PURPOSE: To compare the sedation outcome according to the dose of per os chloral hydrate in children who underwent laceration repair in the emergency department (ED). METHODS: This retrospective study was performed to the children who underwent sedation using chloral hydrate for laceration repair in the ED from January 2015 through November 2015. A total of 370 children aged younger than 6 years underwent the sedation. We compared the induction time, duration of sedation, and ED length of stay (EDLOS) between the single dose (50 mg/kg) and additional dose (plus 25 mg/kg) groups. RESULTS: Of 370 children, 335 (90.5%) were sedated successfully, 284 (76.8%) were sedated with initial dose (the single dose group), and 51 (13.8%) were sedated with additional dose (the additional dose group). The induction time and EDLOS were longer in the additional dose group (induction time: 31.0 ± 17.2 minutes vs. 96.2 ± 25.4 minutes, P < 0.001; EDLOS: 137.2 ± 35.5 minutes vs. 193.0 ± 36.0 minutes, P < 0.001). The duration of sedation showed no difference between the 2 groups (44.4 ± 24.0 minutes vs. 42.0 ± 20.8 minutes; P = 0.500). No one had serious adverse reactions. CONCLUSION: Additional dose of chloral hydrate can increase the induction time and EDLOS without increasing the duration of sedation and causing serious adverse reactions. This information may improve the efficiency of ED workflow when shared with parents of the children.
Child* ; Chloral Hydrate* ; Conscious Sedation ; Emergency Service, Hospital ; Humans ; Lacerations* ; Length of Stay ; Parents ; Retrospective Studies

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Appropriateness of transport of children via emergency medical service providers according to the decision-maker on referred hospitals.

Hohyun JEONG ; Myeong Il CHA ; Si Young JUNG ; Joohyun SUH

Pediatric Emergency Medicine Journal.2017;4(2):85-91. doi:10.22470/pemj.2017.00052

PURPOSE: We aimed to investigate the appropriateness of transport of children via emergency medical service providers (EMSP) according to the decision-maker on referred hospitals (EMSP [EMSP group] vs. guardians [user group]). METHODS: We analyzed first aid records by EMSP for children aged 15 years or younger in Gyeonggi province, Korea, from January 2012 through December 2013. We obtained the following data: scene, symptom, type (high-level [regional/local emergency medical centers] or not) and location (out-of-province or not) of referred hospitals, injury, level of consciousness (alert or not), and prehospital triage results by EMSP (emergent/less emergent or not). RESULTS: A total of 50,407 children were included, of whom 37,626 (74.6%) belonged to the user group. Overall, the most common scene, symptom, and type and location of referred hospitals were home (57.0%), pain (33.3%), and inside-theprovince and local emergency medical centers (44.2%), respectively. The user group showed less frequent injury (P < 0.001), decreased level of consciousness (P < 0.001), and no significant difference in the triage results (P = 0.074). This group showed more frequent transport to high-level and out-of-province emergency medical centers (P < 0.001), and longer transport (P < 0.001). CONCLUSION: The user group showed more frequent transport to high-level or remote referred hospitals without more critical prehospital triage results. Guardian-directed transport of children might be associated with the inappropriate transport of children via EMSP.
Ambulances ; Child* ; Consciousness ; Emergencies* ; Emergency Medical Services* ; Epidemiology ; First Aid ; Gyeonggi-do ; Humans ; Korea ; Transportation of Patients ; Triage

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Establishment of peripheral intravenous catheter for pediatric patients in the emergency department: who and how?.

Ryun Kyung LEE ; Dong Hoon KIM ; Tae Yun KIM ; Changwoo KANG ; Soo Hoon LEE ; Jin Hee JEONG ; Dong Yoon RHEE ; Min Jeong KIM ; Seong Chun KIM

Pediatric Emergency Medicine Journal.2017;4(2):79-84. doi:10.22470/pemj.2017.00136

PURPOSE: Peripheral intravenous cannulation (PIC) for children is technically difficult. We aimed to investigate factors associated with the primary success of PIC for children in the emergency department (ED). METHODS: This prospective observational study was conducted on children younger than 3 years who visited the ED from September 2014 to August 2015. The children undergoing primary success, defined as success at the first attempt, comprised the success group. Using a case report form, information about the children (age, sex, and weight), practitioners' occupation (doctors, nurses, emergency medical technicians [EMTs]), treatment venue, insertion site of PIC, presence of guardians, and use of auxiliary devices were collected and compared between the success and failure groups. Multivariable logistic regression models were constructed to identify factors associated with the primary success. RESULTS: Of 439 children, 271 underwent the primary success (61.7%). The success group showed older age, heavier weight, and higher proportion of EMT. No differences were found in treatment venue, insertion site, and presence of the guardian. We found that patients' age (odds ratio [OR], 1.03; 95% confidence interval [CI], 1.003–1.1), and practitioners' occupation (EMT; OR, 3.0; 95% CI, 1.9–4.7, compared with doctors) were the factors associated with the primary success. CONCLUSION: Practitioners' occupation (EMT) and children's age (older) may be associated with the primary success of PIC. It may be helpful to have specialized personnel when performing PIC on children in the ED.
Catheterization ; Catheterization, Peripheral ; Catheters* ; Child ; Emergencies* ; Emergency Medical Technicians ; Emergency Service, Hospital* ; Humans ; Logistic Models ; Observational Study ; Occupations ; Pediatrics ; Prospective Studies ; Veins

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