2. Childhood injuries in the United States. Division of injury control, center for environmental health and injury control, centers for disease control. Am J Dis Child 144(6):627–646, 1990.
3. Patel JC, Tepas JJ, III: The efficacy of focused abdominal sonography for trauma (FAST) as a screening tool in the assessment of injured children. J Pediatr Surg 34(1):44–47; discussion 52–44, 1999.
4. Jaffe D, Wesson D: Emergency management of blunt trauma in children. N Engl J Med 324(21):1477–1482, 1991.
5. Rodriguez A, DuPriest RW, Jr Shatney CH: Recognition of intra-abdominal injury in blunt trauma victims. A prospective study comparing physical examination with peritoneal lavage. Am Surg 48(9):457–459, 1982.
6. Baka AG, Delgado CA, Simon HK: Current use and perceived utility of ultrasound for evaluation of pediatric compared with adult trauma patients. Pediatr Emerg Care 18(3):163–167, 2002.
7. Brenner D, Elliston C, Hall E, et al.: Estimated risks of radiation-induced fatal cancer from pediatric CT. AJR Am J Roentgenol 176(2):289–296, 2001.
8. Menaker J, Blumberg S, Wisner D, et al.: Use and Impact of the FAST Exam in Children with Blunt Abdominal Trauma. Abstract - Pediatric Academic Societies Annual Meeting, Boston, MA, April 29, 2012.
9. Taylor GA, Fallat ME, Potter BM, et al.: The role of computed tomography in blunt abdominal trauma in children. J Trauma 28(12):1660–1664, 1988.
10. Taylor GA, Kaufman RA: Commentary: Emergency department sonography in the initial evaluation of blunt abdominal injury in children. Pediatr Radiol 23(3):161–163, 1993.
11. Meyer DM, Thal ER, Coln D, et al.: Computed tomography in the evaluation of children with blunt abdominal trauma. Ann Surg 217(3):272–276, 1993.
12. Turnock RR, Sprigg A, Lloyd DA: Computed tomography in the management of blunt abdominal trauma in children. Br J Surg 80(8):982–984, 1993.
13. Feliciano DV: Diagnostic modalities in abdominal trauma. Peritoneal lavage, ultrasonography, computed tomography scanning, and arteriography. Surg Clin North Am 71(2):241–256, 1991.
14. Goldstein AS, Sclafani SJ, Kupferstein NH, et al.: The diagnostic superiority of computerized tomography. J Trauma 25(10):938–946, 1985.
15. Mohamed G, Reyes HM, Fantus R, et al.: Computed tomography in the assessment of pediatric abdominal trauma. Arch Surg 121(6):703–707, 1986.
16. Richardson MC, Hollman AS, Davis CF: Comparison of computed tomography and ultrasonographic imaging in the assessment of blunt abdominal trauma in children. Br J Surg 84(8):1144–1146, 1997.
17. Sivit CJ, Kaufman RA: Commentary: Sonography in the evaluation of children following blunt trauma: Is it to be or not to be? Pediatr Radiol 25(5):326–328, 1995.
18. Stylianos S: Commentary: The role of sonography in the initial evaluation of children after blunt abdominal trauma. Pediatr Radiol 23(3):164, 1993.
19. Hall EJ: Lessons we have learned from our children: Cancer risks from diagnostic radiology. Pediatr Radiol 32(10):700–706, 2002.
20. Taylor GA, Eich MR: Abdominal CT in children with neurologic impairment following blunt trauma. Abdominal CT in comatose children. Ann Surg 210(2):229–233, 1989.
21. Akgur FM, Aktug T, Olguner M, et al.: Prospective study investigating routine usage of ultrasonography as the initial diagnostic modality for the evaluation of children sustaining blunt abdominal trauma. J Trauma 42(4):626–628, 1997.
22. Akgur FM, Tanyel FC, Akhan O, et al.: The place of ultrasonographic examination in the initial evaluation of children sustaining blunt abdominal trauma. J Pediatr Surg 28(1):78–81, 1993.
23. Holmes JF, Gladman A, Chang CH: Performance of abdominal ultrasonography in pediatric blunt trauma patients: A meta-analysis. J Pediatr Surg 42(9):1588–1594, 2007.
24. Fox JC, Boysen M, Gharahbaghian L, et al.: Test characteristics of focused assessment of sonography for trauma for clinically significant abdominal free fluid in pediatric blunt abdominal trauma. Acad Emerg Med 18(5):477–482, 2011.
25. Holmes JF, Brant WE, Bond WF, et al.: Emergency department ultrasonography in the evaluation of hypotensive and normotensive children with blunt abdominal trauma. J Pediatr Surg 36(7):968–973, 2001.
26. Taylor GA, Sivit CJ: Posttraumatic peritoneal fluid: Is it a reliable indicator of intraabdominal injury in children? J Pediatr Surg 30(12):1644–1648, 1995.
27. Partrick DA, Bensard DD, Moore EE, et al.: Ultrasound is an effective triage tool to evaluate blunt abdominal trauma in the pediatric population. J Trauma 45(1):57–63, 1998.
28. Coley BD, Mutabagani KH, Martin LC, et al. Focused abdominal sonography for trauma (FAST) in children with blunt abdominal trauma. J Trauma 48(5):902–906, 2000.
29. Blaivas M, Lyon M, Duggal S: A prospective comparison of supine chest radiography and bedside ultrasound for the diagnosis of traumatic pneumothorax. Acad Emerg Med 12(9):844–849, 2005.
30. Liu DM, Forkheim K, Rowan K, et al.: Utilization of ultrasound for the detection of pneumothorax in the neonatal special-care nursery. Pediatr Radiol 33(12):880–883, 2003.
31. Price DD, Wilson SR, Murphy TG: Trauma ultrasound feasibility during helicopter transport. Air Med J 19(4):144–146, 2000.
32. Soundappan SV, Holland AJ, Cass DT, et al.: Diagnostic accuracy of surgeon-performed focused abdominal sonography (FAST) in blunt paediatric trauma. Injury 36(8):970–975, 2005.
33. Hilty W, Snoey ER: Trauma ultrasonography. In: Simon BC, Snoey ER, eds. Ultrasound in Emergency and Ambulatory Medicine. St Louis, MO: Mosby, 1997:151–189.
34. Ma OJ, Kefer MP, Mateer JR, et al.: Evaluation of hemoperitoneum using a single- vs multiple-view ultrasonographic examination. Acad Emerg Med 2(7):581–586, 1995.
35. Jehle D, Guarino J, Karamanoukian H: Emergency department ultrasound in the evaluation of blunt abdominal trauma. Am J Emerg Med 11(4):342–346, 1993.
36. Hilty W, Wolfe RE, Moore EE, et al.: Sensitivity and specificity of ultrasound in the detection of intraperitoneal fluid (abstract). Ann Emerg Med 22(5):921, 1993.
37. Nance ML, Mahboubi S, Wickstrom M, et al.: Pattern of abdominal free fluid following isolated blunt spleen or liver injury in the pediatric patient. J Trauma 52(1):85–87, 2002.
38. Meyers MA: The spread and localization of acute intraperitoneal effusions. Radiology 95(3):547–554, 1970.
39. Krupnick AS, Teitelbaum DH, Geiger JD, et al.: Use of abdominal ultrasonography to assess pediatric splenic trauma. Potential pitfalls in the diagnosis. Ann Surg 225(4):408–414, 1997.
40. Taylor GA, Sivit CJ: Computed tomography imaging of abdominal trauma in children. Semin Pediatr Surg 1(4):253–259, 1992.
41. Branney SW, Wolfe RE, Moore EE, et al.: Quantitative sensitivity of ultrasound in detecting free intraperitoneal fluid. J Trauma 39(2):375–380, 1995.
42. Frezza EE, Solis RL, Silich RJ, et al.: Competency-based instruction to improve the surgical resident technique and accuracy of the trauma ultrasound. Am Surg 65(9):884–888, 1999.
43. Abrams BJ, Sukumvanich P, Seibel R, et al.: Ultrasound for the detection of intraperitoneal fluid: the role of Trendelenburg positioning. Am J Emerg Med 17(2):117–120, 1999.
44. Lupien C, Sauerbrei EE: Healing in the traumatized spleen: Sonographic investigation. Radiology 151(1):181–185, 1984.
45. Corbett SW, Andrews HG, Baker EM, et al.: ED evaluation of the pediatric trauma patient by ultrasonography. Am J Emerg Med 18(3):244–249, 2000.
46. Ingeman JE, Plewa MC, Okasinski RE, et al.: Emergency physician use of ultrasonography in blunt abdominal trauma. Acad Emerg Med 3(10):931–937, 1996.
47. Gruskin KD, Schutzman SA: Head trauma in children younger than 2 years: Are there predictors for complications?
Arch Pediatr Adolesc Med. 153:15–20, 1999.
[PubMed: 9894994]
48. Greenes DS, Schutzman SA: Clinical indicators of intracranial injury in head-injured infants.
Pediatrics. 104:861–867, 1999.
[PubMed: 10506226]
49. Heendeniya K, William C, Chana S: Rapid bedside ultrasonic evaluation of depressed skull fractures. Academic Emergency Medicine: Official journal of the Society for Academic Emergency Medicine 10:476 [abst], 2003.
50. Ramirez-Schrempp D, Vinci RJ, Liteplo AS: Bedside ultrasound in the diagnosis of skull fractures in the pediatric emergency department. Pediatr Emerg Care. 27(4):312–314, 2011.
51. Sobeski D, McCloskey D, Mussari B, et al.: Sonography of normal cranial sutures. AJR Am J Roentgenol 168(3):819–821. 1997.
52. Hafeez, W, Ronca, L, Maldonado T: Pediatric advanced life support update for the emergency physician: Review of 2010 guideline changes. Clin Pediatr Emerg Med 12(4):255–265, 2011.
53. Reades R, Studnek JR, Vandeventer S, et al.: Intraosseous versus intravenous vascular access during out-of-hospital cardiac arrest: A randomized controlled trial. Ann Emerg Med 58(6):509–516, 2011.
54. Rajani AK, Chitkara R, Oehlert J, et al.: Comparison of umbilical venous and intraosseous access during simulated neonatal resuscitation. Pediatrics 128(4):e954–8, 2011.
55. Hansen M, Meckler G, Spiro D, et al.: Intraosseous line use, complications, and outcomes among a population-based cohort of children presenting to California hospitals. Pediatr Emerg Care 27(10):928–932, 2011.
56. Moscati R, Moore GP: Compartment syndrome with resultant amputation following intraosseous infusion. Am J Emerg Med 8(5):470–471, 1990.
57. Tsung JW, Blaivas M, Stone MB: Feasibility of point-of-care colour Doppler ultrasound confirmation of intraosseous needle placement during resuscitation. Resuscitation 80(6):665–668, 2009.
58. Stone MB, Teismann NA, Wang R: Ultrasonographic confirmation of intraosseous needle placement in an adult unembalmed cadaver model. Ann Emerg Med 49(4):515–519, 2007.
59. Werner H, Levy J: Procedural applications of bedside emergency ultrasound. Clin Pediatr Emerg Med 12(1):43–52, 2011.
60. Lund DP, Folkman J: Appendicitis. In: Walker WA, Durie PR, Hamilton JR, et al., eds. Pediatric Gastrointestinal Disease: Pathophysiology, Diagnosis and Management. 2nd ed. St Louis: Mosby, 1996:907–915.
61. Lund DP, Murphy EU: Management of perforated appendicitis in children: A decade of aggressive treatment. J Pediatr Surg 29(8):1130–1133; discussion 1133–1134, 1994.
62. Garcia Pena BM, Mandl KD, Kraus SJ, et al.: Ultrasonography and limited computed tomography in the diagnosis and management of appendicitis in children. JAMA 282(11):1041–1046, 1999.
63. Guthery SL, Hutchings C, Dean JM, et al.: National estimates of hospital utilization by children with gastrointestinal disorders: Analysis of the 1997 kids' inpatient database. J Pediatr 144(5):589–594, 2004.
64. Bachur RG, Hennelly K, Callahan MJ, et al.: Advanced radiologic imaging for pediatric appendicitis, 2005-2009: Trends and outcomes.
J Pediatrics 160:1034–1038, 2012.
[PubMed: 22192815]
65. Williams GR: Presidential address: A history of appendicitis. With anecdotes illustrating its importance. Ann Surg 197(5):495–506, 1983.
66. Burkitt DP: The aetiology of appendicitis. Br J Surg 58(9):695–699, 1971.
67. Sivit CJ: Acute appendicitis. In: Cohen HL, Sivit CJ, eds. Fetal and Pediatric Ultrasound: A Casebook Approach. New York, NY: McGraw-Hill, 2001:444–449.
68. Migraine S, Atri M, Bret PM, et al.: Spontaneously resolving acute appendicitis: Clinical and sonographic documentation. Radiology 205(1):55–58, 1997.
69. Cobben LP, de Van Otterloo AM, Puylaert JB. Spontaneously resolving appendicitis: Frequency and natural history in 60 patients. Radiology 215(2):349–352, 2000.
70. Abes M, Petik B, Kazil S: Nonoperative treatment of acute appendicitis in children. J Pediatr Surg 42(8):1439–1442, 2007.
71. Savrin RA, Clatworthy HW, Jr: Appendiceal rupture: A continuing diagnostic problem. Pediatrics 63(1):36–43, 1979.
72. Graham JM, Pokorny WJ, Harberg FJ: Acute appendicitis in preschool age children. Am J Surg 139(2):247–250, 1980.
73. Jess P, Bjerregaard B, Brynitz S, et al.: Acute appendicitis. Prospective trial concerning diagnostic accuracy and complications. Am J Surg 141(2):232–234, 1981.
74. Nance ML, Adamson WT, Hedrick HL: Appendicitis in the young child: A continuing diagnostic challenge. Pediatr Emerg Care 16(3):160–162, 2000.
75. Alloo J, Gerstle T, Shilyansky J, et al.: Appendicitis in children less than 3 years of age: A 28-year review. Pediatr Surg Int 19(12):777–779, 2004.
76. Hartman GE: Acute appendicitis. In: Behrman RE, Kliegman RM, Alvin AM, eds. Nelson Textbook of Pediatrics. 16th ed. Philadelphia, PA: WB Saunders, 1996:1109–1111.
77. Rusnak RA, Borer JM, Fastow JS: Misdiagnosis of acute appendicitis: Common features discovered in cases after litigation. Am J Emerg Med 12(4):397–402, 1994.
78. Brown TW, McCarthy ML, Kelen GD, et al.: An epidemiologic study of closed emergency department malpractice claims in a national database of physician malpractice insurers. Acad Emerg Med 17(5):553–560, 2010.
79. Trautlein JJ, Lambert RL, Miller J: Malpractice in the emergency department—Review of 200 cases. Ann Emerg Med 13(9, Pt 1):709–711, 1984.
80. Rothrock SG, Pagane J: Acute appendicitis in children: Emergency department diagnosis and management. Ann Emerg Med 36(1):39–51, 2000.
81. Reynolds SL, Jaffe DM: Diagnosing abdominal pain in a pediatric emergency department. Pediatr Emerg Care 8(3):126–128, 1992.
82. Rothrock SG, Skeoch G, Rush JJ, et al.: Clinical features of misdiagnosed appendicitis in children. Ann Emerg Med 20(1):45–50, 1991.
83. Horton MD, Counter SF, Florence MG, et al.: A prospective trial of computed tomography and ultrasonography for diagnosing appendicitis in the atypical patient. Am J Surg 179(5):379–381, 2000.
84. Bolton JP, Craven ER, Croft RJ, et al.: An assessment of the value of the white cell count in the management of suspected acute appendicitis. Br J Surg 62(11):906–908, 1975.
85. Fee HJ, Jr, Jones PC, Kadell B, et al.: Radiologic diagnosis of appendicitis. Arch Surg 112(6):742–744, 1977.
86. Lewis FR, Holcroft JW, Boey J, et al.: Appendicitis. A critical review of diagnosis and treatment in 1,000 cases. Arch Surg 110(5):677–684, 1975.
87. Bundy DG, Byerley JS, Liles EA, et al.: Does this child have appendicitis? JAMA 298(4):438–451, 2007.
88. White JJ, Santillana M, Haller JA, Jr: Intensive in-hospital observation: A safe way to decrease unnecessary appendectomy. Am Surg 41(12):793–798, 1975.
89. Puylaert JB: Acute appendicitis: US evaluation using graded compression. Radiology 158(2):355–360, 1986.
90. Bell MJ, Bower RJ, Ternberg JL: Appendectomy in childhood. Analysis of 105 negative explorations. Am J Surg 144(3):335–337, 1982.
91. Alvarado A: A practical score for the early diagnosis of acute appendicitis. Ann Emerg Med 15(5):557–564, 1986.
92. Samuel M: Pediatric appendicitis score. J Pediatr Surg 37(6):877–881, 2002.
93. Bond GR, Tully SB, Chan LS, et al.: Use of the MANTRELS score in childhood appendicitis: A prospective study of 187 children with abdominal pain. Ann Emerg Med 19(9):1014–1018, 1990.
94. Macklin CP, Radcliffe GS, Merei JM, et al.: A prospective evaluation of the modified Alvarado score for acute appendicitis in children. Ann R Coll Surg Engl 79(3):203–205, 1997.
95. Schneider C, Kharbanda A, Bachur R: Evaluating appendicitis scoring systems using a prospective pediatric cohort. Ann Emerg Med 49(6):778–784, 784 e771, 2007.
96. Bhatt M, Joseph L, Ducharme FM, et al.: Prospective validation of the pediatric appendicitis score in a Canadian pediatric emergency department. Acad Emerg Med 16(7):591–596, 2009.
97. Escriba A, Gamell AM, Fernandez Y, et al.: Prospective validation of two systems of classification for the diagnosis of acute appendicitis. Pediatr Emerg Care 27(3):165–169, 2011.
98. Kharbanda AB, Taylor GA, Fishman SJ, et al.: A clinical decision rule to identify children at low risk for appendicitis. Pediatrics 116(3):709–716, 2005.
99. Deutsch A, Leopold GR: Ultrasonic demonstration of the inflamed appendix: Case report. Radiology 140(1):163–164, 1981.
100. Crady SK, Jones JS, Wyn T, et al.: Clinical validity of ultrasound in children with suspected appendicitis. Ann Emerg Med 22(7):1125–1129, 1993.
101. Hahn HB, Hoepner FU, Kalle T, et al.: Sonography of acute appendicitis in children: 7 years experience. Pediatr Radiol 28(3):147–151, 1998.
102. Karakas SP, Guelfguat M, Leonidas JC, et al.: Acute appendicitis in children: Comparison of clinical diagnosis with ultrasound and CT imaging. Pediatr Radiol 30(2):94–98, 2000.
103. Lessin MS, Chan M, Catallozzi M, et al.: Selective use of ultrasonography for acute appendicitis in children. Am J Surg 177(3):193–196, 1999.
104. Rice HE, Arbesman M, Martin DJ, et al.: Does early ultra-sonography affect management of pediatric appendicitis? A prospective analysis. J Pediatr Surg 34(5):754–758; discussion 758–759, 1999.
105. Roosevelt GE, Reynolds SL: Does the use of ultrasonography improve the outcome of children with appendicitis? Acad Emerg Med 5(11):1071–1075, 1998.
106. Siegel MJ, Carel C, Surratt S: Ultrasonography of acute abdominal pain in children. JAMA 266(14):1987–1989, 1991.
107. Sivit CJ, Applegate KE, Stallion A, et al.: Imaging evaluation of suspected appendicitis in a pediatric population: Effectiveness of sonography versus CT. AJR Am J Roentgenol 175(4):977–980, 2000.
108. Zaki AM, MacMahon RA, Gray AR: Acute appendicitis in children: When does ultrasound help? Aust N Z J Surg 64(10):695–698, 1994.
109. Kaiser S, Frenckner B, Jorulf HK: Suspected appendicitis in children: US and CT—A prospective randomized study. Radiology 223(3):633–638, 2002.
110. Lowe LH, Penney MW, Stein SM, et al.: Unenhanced limited CT of the abdomen in the diagnosis of appendicitis in children: comparison with sonography. AJR Am J Roentgenol 176(1):31–35, 2001.
111. Chen SC, Wang HP, Hsu HY, et al.: Accuracy of ED sonography in the diagnosis of acute appendicitis. Am J Emerg Med 18(4):449–452, 2000.
112. Fox JC, Solley M, Anderson CL, et al.: Prospective evaluation of emergency physician performed bedside ultrasound to detect acute appendicitis. Eur J Emerg Med 15(2):80–85, 2008.
113. Allemann F, Cassina P, Rothlin M, et al.: Ultrasound scans done by surgeons for patients with acute abdominal pain: a prospective study. Eur J Surg 165(10):966–970, 1999.
114. Doria AS, Moineddin R, Kellenberger CJ, et al.: US or CT for diagnosis of appendicitis in children and adults? A meta-analysis. Radiology 241(1):83–94, 2006.
115. Partrick DA, Janik JE, Janik JS, et al.: Increased CT scan utilization does not improve the diagnostic accuracy of appendicitis in children. J Pediatr Surg 38(5):659–662, 2003.
116. Frei SP, Bond WF, Bazuro RK, et al.: Appendicitis outcomes with increasing computed tomographic scanning. Am J Emerg Med 26(1):39–44, 2008.
117. Coursey CA, Nelson RC, Patel MB, et al.: Making the diagnosis of acute appendicitis: Do more preoperative CT scans mean fewer negative appendectomies? A 10-year study. Radiology 254(2):460–468, 2010.
118. Raja AS, Wright C, Sodickson AD, et al.: Negative appendectomy rate in the era of CT: An 18-year perspective. Radiology 256(2):460–465, 2010.
119. Kocher KE, Meurer WJ, Fazel R, et al.: National trends in use of computed tomography in the emergency department. Ann Emerg Med 58(5):452–462 e453, 2011.
120. Brenner DJ, Hall EJ: Computed tomography—An increasing source of radiation exposure. N Engl J Med 357(22):2277–2284, 2007.
121. Brenner DJ, Hricak H: Radiation exposure from medical imaging: Time to regulate? JAMA 304(2):208–209, 2010.
122. Brody AS, Frush DP, Huda W, et al.: Radiation risk to children from computed tomography. Pediatrics 120(3):677–682, 2007.
123. Shah NB, Platt SL: ALARA: Is there a cause for alarm? Reducing radiation risks from computed tomography scanning in children. Curr Opin Pediatr 20(3):243–247, 2008.
124. Applegate KE, Sivit CJ, Salvator AE, et al.: Effect of cross-sectional imaging on negative appendectomy and perforation rates in children. Radiology 220(1):103–107, 2001.
125. Lee CC, Golub R, Singer AJ, et al.: Routine versus selective abdominal computed tomography scan in the evaluation of right lower quadrant pain: A randomized controlled trial. Acad Emerg Med: Official Journal of the Society for Academic Emergency Medicine 14(2):117–122, 2007.
126. Flum DR, McClure TD, Morris A: Misdiagnosis of appendicitis and the use of diagnostic imaging. J Am Coll Surg 201(6):933–939, 2005.
127. Pena BM, Taylor GA, Fishman SJ, et al.: Effect of an imaging protocol on clinical outcomes among pediatric patients with appendicitis. Pediatrics 110(6):1088–1093, 2002.
128. Krishnamoorthi R, Ramarajan N, Wang NE, et al.: Effectiveness of a staged US and CT protocol for the diagnosis of pediatric appendicitis: Reducing radiation exposure in the age of ALARA. Radiology 259(1):231–239, 2011.
129. Rosen MP, Ding A, Blake MA, et al.: ACR Appropriateness Criteria(R) right lower quadrant pain—Suspected appendicitis. J Am Coll Radiol 8(11):749–755, 2011.
130. Cobben LP, Groot I, Haans L, et al.: MRI for clinically suspected appendicitis during pregnancy. AJR American Journal of Roentgenology 183(3):671–675, 2004.
131. Israel GM, Malguria N, McCarthy S: MRI vs. ultrasound for suspected appendicitis during pregnancy. J Magn Reson Imaging 28(2):428–433, 2008.
132. Cobben L, Groot I, Kingma L, et al.: A simple MRI protocol in patients with clinically suspected appendicitis: Results in 138 patients and effect on outcome of appendectomy. Eur Radiol 19(5):1175–1183, 2009.
133. Inci E, Hocaoglu E, Aydin S, et al.: Efficiency of unenhanced MRI in the diagnosis of acute appendicitis: Comparison with Alvarado scoring system and histopathological results. Eur J Radiol 80(2):253–258, 2011.
134. Hormann M, Paya K, Eibenberger K, et al.: MR imaging in children with nonperforated acute appendicitis: Value of unenhanced MR imaging in sonographically selected cases. AJR American Journal of Roentgenology 171(2):467–470, 1998.
135. Incesu L, Coskun A, Selcuk MB, et al.: Acute appendicitis: MR imaging and sonographic correlation. AJR American Journal of Roentgenology 168(3):669–674, 1997.
136. O'Rahilly R, Muller F: Anatomy: A Regional Study of Human Structure. 5th ed. Philadelphia, PA: WB Saunders, 1986.
137. Wakely CPG: The position of the vermiform appendix as ascertained by an analysis of 10,000 cases. J Anat 67:277, 1933.
138. Rettenbacher T, Hollerweger A, Macheiner P, et al.: Ovoid shape of the vermiform appendix: A criterion to exclude acute appendicitis—Evaluation with US. Radiology 226(1):95–100, 2003.
139. Abu-Yousef MM, Bleicher JJ, Maher JW, et al.: High-resolution sonography of acute appendicitis. AJR American Journal of Roentgenol 149(1):53–58, 1987.
140. Lowe LH, Penney MW, Scheker LE, et al.: Appendicolith revealed on CT in children with suspected appendicitis: How specific is it in the diagnosis of appendicitis? AJR American Journal of Roentgenology 175(4):981–984, 2000.
141. Rollins MD, Andolsek W, Scaife ER, et al.: Prophylactic appendectomy: Unnecessary in children with incidental appendicoliths detected by computed tomographic scan. J Pediatr Surg 45(12):2377–2380, 2010.
142. Borushok KF, Jeffrey RB, Jr, Laing FC, et al.: Sonographic diagnosis of perforation in patients with acute appendicitis. AJR Am J Roentgenol 154(2):275–278, 1990.
143. Ang A, Chong NK, Daneman A: Pediatric appendicitis in “real-time”: The value of sonography in diagnosis and treatment. Pediatr Emerg Care 17(5):334–340, 2001.
144. Rettenbacher T, Hollerweger A, Macheiner P, et al.: Outer diameter of the vermiform appendix as a sign of acute appendicitis: Evaluation at US. Radiology 218(3):757–762, 2001.
145. Goldin AB, Khanna P, Thapa M, et al.: Revised ultrasound criteria for appendicitis in children improve diagnostic accuracy. Pediatr Radiol 41(8):993–999, 2011.
146. Wiersma F, Sramek A, Holscher HC: US features of the normal appendix and surrounding area in children. Radiology 235(3):1018–1022, 2005.
147. Puylaert JB, Rutgers PH, Lalisang RI, et al.: A prospective study of ultrasonography in the diagnosis of appendicitis. N Engl J Med 317(11):666–669, 1987.
148. Fa EM, Cronan JJ: Compression ultrasonography as an aid in the differential diagnosis of appendicitis. Surg Gynecol Obstet 169(4):290–298, 1989.
149. Lee JH, Jeong YK, Hwang JC, et al.: Graded compression sonography with adjuvant use of a posterior manual compression technique in the sonographic diagnosis of acute appendicitis. AJR Am J Roentgenol 178(4):863–868, 2002.
150. Hunter AK, Liascouras CA: Hypertrophic pyloric stenosis. In: Kliegman R, Nelson WE, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, PA: Elsevier/Saunders, 2011:1274.
151. Blumer SL, Zucconi WB, Cohen HL, et al.: The vomiting neonate: A review of the ACR appropriateness criteria and ultrasound's role in the workup of such patients. Ultrasound Q 20(3):79–89, 2004.
152. Cooper WO, Griffin MR, Arbogast P, et al.: Very early exposure to
erythromycin and infantile hypertrophic pyloric stenosis.
Arch Pediatr Adolesc Med 156(7):647–650, 2002.
153. Rollins MD, Shields MD, Quinn RJ, et al.: Pyloric stenosis: Congenital or acquired? Arch Dis Child 64(1):138–139, 1989.
154. Morrison SC: Controversies in abdominal imaging. Pediatr Clin North Am 44(3):555–574, 1997.
155. Sola JE, Neville HL: Laparoscopic vs open pyloromyotomy: A systematic review and meta-analysis. J Pediatr Surg 44(8):1631–1637, 2009.
156. Corner B: Intravenous
atropine treatment in infantile hypertrophic pyloric stenosis.
Arch Dis Child 88(1):87; author reply 87, 2003.
157. Nagita A, Yamaguchi J, Amemoto K, et al.: Management and ultrasonographic appearance of infantile hypertrophic pyloric stenosis with intravenous
atropine sulfate.
J Pediatr Gastroenterol Nutr 23(2):172–177, 1996.
158. Hernanz-Schulman M: Infantile hypertrophic pyloric stenosis. Radiology 227(2):319–331, 2003.
159. Hulka F, Campbell JR, Harrison MW, et al.: Cost-effectiveness in diagnosing infantile hypertrophic pyloric stenosis. J Pediatr Surg 32(11):1604–1608, 1997.
160. Olson AD, Hernandez R, Hirschl RB: The role of ultra-sonography in the diagnosis of pyloric stenosis: A decision analysis. J Pediatr Surg 33(5):676–681, 1998.
161. Macdessi J, Oates RK. Clinical diagnosis of pyloric stenosis: A declining art. BMJ 306(6877):553–555, 1993.
162. Glatstein M, Carbell G, Boddu SK, et al.: The changing clinical presentation of hypertrophic pyloric stenosis: The experience of a large, tertiary care pediatric hospital. Clin Pediatr (Phila) 50(3):192–195, 2011.
163. Chen EA, Luks FI, Gilchrist BF, et al.: Pyloric stenosis in the age of ultrasonography: fading skills, better patients? J Pediatr Surg 31(6):829–830, 1996.
164. Hernanz-Schulman M. Imaging of neonatal gastrointestinal obstruction. Radiol Clin North Am 37(6):1163–1186, vi-vii, 1999.
165. Neilson D, Hollman AS. The ultrasonic diagnosis of infantile hypertrophic pyloric stenosis: Technique and accuracy. Clin Radiol 49(4):246–247, 1994.
166. Godbole P, Sprigg A, Dickson JA, et al.: Ultrasound compared with clinical examination in infantile hyper-trophic pyloric stenosis. Arch Dis Child 75(4):335–337, 1996.
167. Mendelson KL: Emergency abdominal ultrasound in children: Current concepts. Med Health R I 82(6):198–201, 1999.
168. Rohrschneider WK, Mittnacht H, Darge K, et al.: Pyloric muscle in asymptomatic infants: Sonographic evaluation and discrimination from idiopathic hypertrophic pyloric stenosis. Pediatr Radiol 28(6):429–434, 1998.
169. Malcom GE, 3rd, Raio CC, Del Rios M, et al.: Feasibility of emergency physician diagnosis of hypertrophic pyloric stenosis using point-of-care ultrasound: A multi-center case series. J Emerg Med 37(3):283–286, 2009.
170. McVay MR, Copeland DR, McMahon LE, et al.: Surgeon-performed ultrasound for diagnosis of pyloric stenosis is accurate, reproducible, and clinically valuable. J Pediatr Surg 44(1):169–171; discussion 171–162, 2009.
171. Copeland DR, Cosper GH, McMahon LE, et al.: Return of the surgeon in the diagnosis of pyloric stenosis. J Pediatr Surg 44(6):1189–1192; discussion 1192, 2009.
172. Boneti C, McVay MR, Kokoska ER, et al.: Ultrasound as a diagnostic tool used by surgeons in pyloric stenosis. J Pediatr Surg 43(1):87–91; discussion 91, 2008.
173. Letton RW, Jr: Pyloric stenosis. Pediatr Ann. 30(12):745–750, 2001.
174. John SD, Swischuk LE: Pediatric abdomen and pelvis. In: Brant WE, Helms CA, eds. Fundamentals of Diagnostic Radiology. 3rd ed. Philadelphia, PA: Lippincott, Williams & Wilkins, 2007:1282.
175. Lowe LH, Banks WJ, Shyr Y: Pyloric ratio: Efficacy in the diagnosis of hypertrophic pyloric stenosis. J Ultrasound Med 18(11):773–777, 1999.
176. Blumhagen JD: The role of ultrasonography in the evaluation of vomiting in infants. Pediatr Radiol 16(4):267–270, 1986.
177. Alvarez SM, Poelstra BA, Burd RS. Evaluation of a Bayesian decision network for diagnosing pyloric stenosis. J Pediatr Surg 41(1):155–161; discussion 155–161, 2006.
178. Brown L, Jones J: Acute abdominal pain in children: “Classic” presentations vs. reality. Emerg Med Pract 2(12):1–24, 2000.
179. Applegate KE: Clinically suspected intussusception in children: Evidence-based review and self-assessment module. AJR Am J Roentgenol 185(3 suppl):S175–S183, 2005.
180. Wyllie R: Ileus, adhesions, intussusception, and closed-loop obstructions. In: Kliegman R, Nelson WE, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, PA: Saunders, 2007: p. 3147.
181. Daneman A, Navarro O: Intussusception. Part 1: A review of diagnostic approaches. Pediatr Radiol 33(2):79–85, 2003.
182. Harrington L, Connolly B, Hu X, et al.: Ultrasonographic and clinical predictors of intussusception. J Pediatr 132(5):836–839, 1998.
183. Shanbhogue RL, Hussain SM, Meradji M, et al.: Ultrasonography is accurate enough for the diagnosis of intussusception. J Pediatr Surg 29(2):324–327; discussion 327–328, 1994.
184. Weihmiller SN, Buonomo C, Bachur R: Risk stratification of children being evaluated for intussusception. Pediatrics 127(2):e296–e303, 2011.
185. Meier DE, Coln CD, Rescorla FJ, et al.: Intussusception in children: International perspective. World J Surg 20(8):1035–1039; discussion 1040, 1996.
186. Gu L, Zhu H, Wang S, et al.: Sonographic guidance of air enema for intussusception reduction in children. Pediatr Radiol 30(5):339–342, 2000.
187. Daneman A, Navarro O: Intussusception. Part 2: An update on the evolution of management. Pediatr Radiol 34(2):97–108; quiz 187, 2004.
188. Roskind CG, Ruzal-Shapiro CB, Dowd EK, et al.: Test characteristics of the 3-view abdominal radiograph series in the diagnosis of intussusception. Pediatr Emerg Care 23(11):785–789, 2007.
189. Kuppermann N, O'Dea T, Pinckney L, et al.: Predictors of intussusception in young children. Arch Pediatr Adolesc Med 154(3):250–255, 2000.
190. Hooker RL, Hernanz-Schulman M, Yu C, et al.: Radiographic evaluation of intussusception: Utility of left-side-down decubitus view. Radiology 248(3):987–994, 2008.
191. Hryhorczuk AL, Strouse PJ. Validation of US as a first-line diagnostic test for assessment of pediatric ileocolic intussusception. Pediatr Radiol 39(10):1075–1079, 2009.
192. Littlewood Teele R, Vogel SA: Intussusception: The paediatric radiologist's perspective. Pediatr Surg Int 14(3):158–162, 1998.
193. Stanley A, Logan H, Bate TW, et al.: Ultrasound in the diagnosis and exclusion of intussusception. Ir Med J 90(2):64–65, 1997.
194. Sargent MA, Babyn P, Alton DJ: Plain abdominal radiography in suspected intussusception: A reassessment. Pediatr Radiol 24(1):17–20, 1994.
195. Hernandez JA, Swischuk LE, Angel CA: Validity of plain films in intussusception. Emerg Radiol 10(6):323–326, 2004.
196. Applegate KE: Intussusception in children: Evidence-based diagnosis and treatment. Pediatr Radiol 39(suppl 2)S140–143, 2009.
197. Saxton V, Katz M, Phelan E, et al.: Intussusception: A repeat delayed gas enema increases the nonoperative reduction rate. J Pediatr Surg 29(5):588–589, 1994.
198. Gorenstein A, Raucher A, Serour F, et al.: Intussusception in children: Reduction with repeated, delayed air enema. Radiology 206(3):721–724, 1998.
199. Navarro OM, Daneman A, Chae A: Intussusception: The use of delayed, repeated reduction attempts and the management of intussusceptions due to pathologic lead points in pediatric patients. AJR American journal of roentgenology 182(5):1169–1176, 2004.
200. Verschelden P, Filiatrault D, Garel L, et al.: Intussusception in children: Reliability of US in diagnosis—A prospective study. Radiology 184(3):741–744, 1992.
201. Eshed I, Gorenstein A, Serour F, et al.: Intussusception in children: Can we rely on screening sonography performed by junior residents? Pediatr Radiol 34(2):134–137, 2004.
202. Gartner RD, Levin TL, Borenstein SH, et al.: Interloop fluid in intussusception: What is its significance? Pediatr Radiol 41(6):727–731, 2011.
203. del-Pozo G, Gonzalez-Spinola J, Gomez-Anson B, et al.: Intussusception: Trapped peritoneal fluid detected with US—Relationship to reducibility and ischemia. Radiology 201(2):379–383, 1996.
204. Stranzinger E, Dipietro MA, Yarram S, et al.: Intramural and subserosal echogenic foci on US in large-bowel intussusceptions: Prognostic indicator for reducibility? Pediatr Radiol 39(1):42–46, 2009.
205. Kong MS, Wong HF, Lin SL, et al.: Factors related to detection of blood flow by color Doppler ultrasonography in intussusception. J Ultrasound Med 16(2):141–144, 1997.
206. Lam AH, Firman K: Value of sonography including color Doppler in the diagnosis and management of long standing intussusception. Pediatr Radiol 22(2):112–114, 1992.
207. Lim HK, Bae SH, Lee KH, et al.: Assessment of reducibility of ileocolic intussusception in children: Usefulness of color Doppler sonography. Radiology 191(3):781–785, 1994.
208. Yoon CH, Kim HJ, Goo HW: Intussusception in children: US-guided pneumatic reduction—Initial experience. Radiology 218(1):85–88, 2001.
209. Cohen M: Why US should not be performed for the diagnosis of intussusception. Pediatr Radiol 40(5):787–788; author reply 789–790, 2010.
210. Swischuk LE, Stansberry SD: Ultrasonographic detection of free peritoneal fluid in uncomplicated intussusception. Pediatr Radiol 21(5):350–351, 1991.
211. Feinstein KA, Myers M, Fernbach SK, et al.: Peritoneal fluid in children with intussusception: Its sonographic detection and relationship to successful reduction. Abdom Imaging 18(3):277–279, 1993.
212. Navarro O, Daneman A: Intussusception. Part 3: Diagnosis and management of those with an identifiable or predisposing cause and those that reduce spontaneously. Pediatr Radiol 34(4):305–312, 2004.
213. Gorelick MH, Shaw KN, Murphy KO: Validity and reliability of clinical signs in the diagnosis of dehydration in children. Pediatrics 99:e6, 1997.
214. Steiner MJ, DeWalt DA, Byerley JS: Is this child dehydrated?
JAMA 291:2746–2754, 2004.
[PubMed: 15187057]
215. Chen L, Hsiao A, Langhan M, et al.: Use of bedside ultrasound to assess degree of dehydration in children with gastroenteritis. Acad Emerg Med 17(10):1042–1047, 2010.
216. Levine
AC, Shaw S, Umulisa I, et al.: Ultrasound assessment of severe dehydration in children with diarrhea and vomiting.
Acad Emerg Med 17(10):1035–1041, 2010.
217. Chen L, Kim Y, Santucci KA: Use of ultrasound measurement of the inferior vena cava diameter as an objective tool in the assessment of children with clinical dehydration. Acad Emerg Med 14(10):841–845, 2007.
218. Wallace DJ, Allison M, Stone MB: Inferior vena cava percentage collapse during respiration is affected by the sampling location: An ultrasound study in healthy volunteers. Acad Emerg Med 17(1):96–99, 2010.
219. Kosiak W, Swieton D, Piskunowicz M: Sonographic inferior vena cava/aorta diameter index, a new approach to the body fluid status assessment in children and young adults in emergency ultrasound—Preliminary study. Am J Emerg Med 26(3):320–325, 2008.
220. Baumann BM, Welsh BE, Rogers CJ, et al.: Nurses using volumetric bladder ultrasound in the pediatric ED. Am J Nurs 108(4):73–76, 2008.
221. Kimmelstiel FM, Holgersen LO, Dudell GG: Massive hemoperitoneum following suprapubic bladder aspiration. J Pediatr Surg 21(10):911–912, 1986.
222. Ozkan B, Kaya O, Akdag R, et al.: Suprapubic bladder aspiration with or without ultrasound guidance. Clin Pediatr (Phila) 39(10):625–626, 2000.
223. Saccharow L, Pryles CV: Further experience with the use of percutaneous suprapubic aspiration of the urinary bladder. Bacteriologic studies in 654 infants and children. Pediatrics 43(6):1018–1024, 1969.
224. Simon G: Suprapubic bladder puncture in a private pediatric practice. Postgrad Med 72(1):63–64, 66, 1982.
225. Chen L, Hsiao AL, Moore CL, et al.: Utility of bedside bladder ultrasound before urethral catheterization in young children. Pediatrics 115(1):108–111, 2005.
226. Kiernan SC, Pinckert TL, Keszler M: Ultrasound guidance of suprapubic bladder aspiration in neonates. J Pediatr 123(5):789–791, 1993.
227. Gochman RF, Karasic RB, Heller MB: Use of portable ultrasound to assist urine collection by suprapubic aspiration. Ann Emerg Med 20(6):631–635, 1991.
228. Witt M, Baumann BM, McCans K: Bladder ultrasound increases catheterization success in pediatric patients. Acad Emerg Med 12(4):371–374, 2005.
229. Milling TJ, Jr, Van Amerongen R, Melville L, et al.: Use of ultrasonography to identify infants for whom urinary catheterization will be unsuccessful because of insufficient urine volume: Validation of the urinary bladder index. Ann Emerg Med 45(5):510–513, 2005.
230. Garcia-Nieto V, Navarro JF, Sanchez-Almeida E, et al.: Standards for ultrasound guidance of suprapubic bladder aspiration. Pediatr Nephrol 11(5):607–609, 1997.
231. Karam O, Sanchez O, Chardot C, et al.: Blunt abdominal trauma in children: A score to predict the absence of organ injury. J Pediatr 154(6):912–917, 2009.
232. Poletti PA, Mirvis SE, Shanmuganathan K, et al.: Blunt abdominal trauma patients: Can organ injury be excluded without performing computed tomography? J Trauma 57(5):1072–1081, 2004.
233. Liu M, Lee CH, P'Eng FK: Prospective comparison of diagnostic peritoneal lavage, computed tomographic scanning, and ultrasonography for the diagnosis of blunt abdominal trauma. J Trauma 35(2):267–270, 1993.
234. Tso P, Rodriguez A, Cooper C, et al.: Sonography in blunt abdominal trauma: A preliminary progress report. J Trauma 33(1):39–43; discussion 43–34, 1992.
235. Rozycki GS, Ochsner MG, Jaffin JH, et al.: Prospective evaluation of surgeons' use of ultrasound in the evaluation of trauma patients. J Trauma 34(4):516–526; discussion 526–517, 1993.
236. Boulanger BR, McLellan BA, Brenneman FD, et al.: Emergent abdominal sonography as a screening test in a new diagnostic algorithm for blunt trauma. J Trauma 40(6):867–874, 1996.
237. Kirkpatrick AW, Sirois M, Laupland KB, et al.: Hand-held thoracic sonography for detecting post-traumatic pneumothoraces: The extended focused assessment with sonography for trauma (EFAST). J Trauma 57(2):288–295, 2004.
238. Baldisserotto M, Marchiori E. Accuracy of noncompressive sonography of children with appendicitis according to the potential positions of the appendix. AJR American Journal of Roentgenology 175(5):1387–1392, 2000.
239. Zielke A, Hasse C, Sitter H, et al.: “Surgical” ultrasound in suspected acute appendicitis. Surg Endosc 11(4):362–365, 1997.
240. Sivit CJ, Applegate KE, Berlin SC, et al.: Evaluation of suspected appendicitis in children and young adults: Helical CT. Radiology 216(2):430–433, 2000.
241. Pena BM, Taylor GA: Radiologists' confidence in interpretation of sonography and CT in suspected pediatric appendicitis. AJR Am J Roentgenol 175(1):71–74, 2000.
242. Hernanz-Schulman M: Infantile hypertrophic pyloric stenosis. Radiology 227(2):319–331, 2003.
243. Wang GD, Liu SJ: Enema reduction of intussusception by hydrostatic pressure under ultrasound guidance: A report of 377 cases. J Pediatr Surg 23(9):814–818, 1998.
244. Schmit P, Rohrschneider WK, Christmann D: Intestinal intussusception survey about diagnostic and nonsurgical therapeutic procedures. Pediatric Radiol 29(10):752–761, 1999.
245. Ein SH, Stephens CA: Intussusception: 354 cases in 10 years. J Pediatr Surg 6(1):16–27, 1971.
246. Pracros JP, Tran-Minh
VA, Morin de Finfe CH, et al.: Acute intestinal intussusception in children. Contribution of ultrasonography (145 cases).
Ann Radiol 30:525–530, 1987.
[PubMed: 3326510]