A unique method for estimating the reliability learning curve of optic nerve sheath diameter ultrasound measurement

Jones PA, Andrews PJ, Midgley S et al (1994) Measuring the burden of secondary insults in head-injured patients during intensive care. J Neurosurg Anesthesiol 6:4–14

Brain Trauma Foundation, American Association of Neurological Surgeons, Congress of Neurological Surgeons (2007) Guidelines for the management of severe traumatic brain injury. J Neurotrauma 24(Suppl 1):S1–106. doi: 10.1089/neu.2007.9999

Gangemi M, Cennamo G, Maiuri F, D’Andrea F (1987) Echographic measurement of the optic nerve in patients with intracranial hypertension. Neurochirurgia 30:53–55. doi: 10.1055/s-2008-1053656

Guyot LL, Dowling C, Diaz FG, Michael DB (1998) Cerebral monitoring devices: analysis of complications. Acta Neurochir Suppl 71:47–49

Geeraerts T, Launey Y, Martin L et al (2007) Ultrasonography of the optic nerve sheath may be useful for detecting raised intracranial pressure after severe brain injury. Intensive Care Med 33:1704–1711. doi: 10.1007/s00134-007-0797-6

Geeraerts T, Newcombe VFJ, Coles JP et al (2008) Use of T2-weighted magnetic resonance imaging of the optic nerve sheath to detect raised intracranial pressure. Crit Care 12:R114. doi: 10.1186/cc7006

Moretti R, Pizzi B (2011) Ultrasonography of the optic nerve in neurocritically ill patients. Acta Anaesthesiol Scand 55:644–652. doi: 10.1111/j.1399-6576.2011.02432.x

Dubourg J, Javouhey E, Geeraerts T et al (2011) Ultrasonography of optic nerve sheath diameter for detection of raised intracranial pressure: a systematic review and meta-analysis. Intensive Care Med 37:1059–1068. doi: 10.1007/s00134-011-2224-2

Seo H, Kim Y-K, Shin WJ, Hwang GS (2013) Ultrasonographic optic nerve sheath diameter is correlated with arterial carbon dioxide concentration during reperfusion in liver transplant recipients. Transplant Proc 45:2272–2276. doi: 10.1016/j.transproceed.2012.12.032

Thomas B, Falcone RE, Vasquez D et al (1997) Ultrasound evaluation of blunt abdominal trauma: program implementation, initial experience, and learning curve. J Trauma Inj Infect Crit Care 42:384–388 (discussion 388–90)

Tayal VS, Neulander M, Norton HJ et al (2007) Emergency department sonographic measurement of optic nerve sheath diameter to detect findings of increased intracranial pressure in adult head injury patients. Ann Emerg Med 49:508–514. doi: 10.1016/j.annemergmed.2006.06.040

Goeres P, Zeiler FA, Unger B et al (2015) Ultrasound assessment of optic nerve sheath diameter in healthy volunteers. J Crit Care 31:168–171. doi: 10.1016/j.jcrc.2015.10.009

Zeiler FA, Unger B, Kramer AH et al (2013) A unique model for ultrasound assessment of optic nerve sheath diameter. Can J Neurol Sci 40:225–229

Zeiler FA, Unger B, Zhu Q et al (2014) A unique model for ONSD Part II: inter/intra-operator variability. Can J Neurol Sci 41:430–435

SAS Institute Inc. (2008) NLIN Procedure. SAS/STAT 9.2 user’s guide. SAS Institute Inc., Cary

Smith RS, Kern SJ, Fry WR, Helmer SD (1998) Institutional learning curve of surgeon-performed trauma ultrasound. Arch Surg 133:530–535 (discussion 535–6)

Shackford SR, Rogers FB, Osler TM et al (1999) Focused abdominal sonogram for trauma: the learning curve of nonradiologist clinicians in detecting hemoperitoneum. J Trauma Inj Infect Crit Care 46:553–562 (discussion 562–4)

Scalea TM, Rodriguez A, Chiu WC et al (1999) Focused assessment with sonography for trauma (FAST): results from an international consensus conference. J Trauma 46:466–472

American Institute of Ultrasound in Medicine (2014) Training guidelines for physicians who evaluate and interpret diagnostic abdominal/general ultrasound examinations. http://www.aium.org/resources/viewStatement.aspx?id=47 . Accessed 3 Nov 2015

Rozycki GS (1998) Surgeon-performed ultrasound: its use in clinical practice. Ann Surg 228:16–28

Frezza EEE, Solis RLR, Silich RJR et al (1999) Competency-based instruction to improve the surgical resident technique and accuracy of the trauma ultrasound. Am Surg 65:884–888

McCarter FD, Luchette FA, Molloy M et al (2000) Institutional and individual learning curves for focused abdominal ultrasound for trauma: cumulative sum analysis. Ann Surg 231:689–700

Gracias VH, Frankel HL, Gupta R et al (2001) Defining the learning curve for the focused abdominal sonogram for trauma (FAST) examination: implications for credentialing. Am Surg 67:364–368

Jang T, Kryder G, Sineff S et al (2012) The technical errors of physicians learning to perform focused assessment with sonography in trauma. Acad Emerg Med 19:98–101. doi: 10.1111/j.1553-2712.2011.01242.x

Ziesmann MT, Park J, Unger BJ et al (2015) Validation of the quality of ultrasound imaging and competence (QUICk) score as an objective assessment tool for the FAST examination. J Trauma Acute Care Surg 78:1008–1013. doi: 10.1097/TA.0000000000000639

Asghar A, Hashmi M, Hussain A (2015) Optic nerve sheath diameter evaluated by transorbital sonography in healthy volunteers from Pakistan. Anaesth Pain Intensive Care 19:282–286

Lovrencic-Huzjan A, Simicevic DS, Popovic IM, Puretic MB, Cvetkovic VV, Gopcevic A et al (2012) Ultrasonography of the optic nerve sheath in brain death. Perspect Med 1:414–416

Chen H, Ding G-S, Zhao Y-C, Yu R-G, Zhou J-X (2015) Ultrasound measurement of optic nerve diameter and optic nerve sheath diameter in healthy Chinese adults. BMC Neurol 15:106