1.American Society of Anesthesiologists Task Force on Sedation and Analgesia by Non-Anesthesiologists. Practice guidelines for sedation and analgesia by non-anesthesiologists. Anesthesiology 2002; 96: 1004–17.
2.Berry, PH, Covington, E, Dahl, J, Katz, J, Miaskowski, C. Pain: Current Understanding of Assessment, Management and Treatments. Reston, VA: National Pharmaceutical Council and the Joint Commission on Accreditation of Healthcare Organizations, 2006.
3.Gagliese, L, Weizblit, N, Ellis, W, Chan, VW. The measurement of postoperative pain: a comparison of intensity scales in younger and older surgical patients. Pain 2005; 117: 412–20.
4.Herr, KA, Spratt, K, Mobily, PR, Richardson, G. Pain intensity assessment in older adults: use of experimental pain to compare psychometric properties and usability of selected pain scales with younger adults. Clin J Pain 2004; 20: 207–19.
5.Bieri, D, Reeve, RA, Champion, GD, Addicoat, L, Ziegler, JB. The Faces Pain Scale for the self-assessment of the severity of pain experienced by children: development, initial validation, and preliminary investigation for ratio scale properties. Pain 1990; 41: 139–50.
6.Taylor, LJ, Harris, J, Epps, CD, Herr, K. Psychometric evaluation of selected pain intensity scales for use with cognitively impaired and cognitively intact older adults. Rehabil Nurs 2005; 30: 55–61.
7.Stuppy, DJ. The Faces Pain Scale: reliability and validity with mature adults. Appl Nurs Res 1998; 11: 84–9.
8.Matsumoto, D. Ethnic differences in affect intensity, emotion judgments, display rule attitudes, and self-reported emotional expression in an American sample. Motiv Emotion 1993; 17: 107–23.
9.Hicks, CL, von Baeyer, CL, Spafford, PA, van Korlaar, I, Goodenough, B. The Faces Pain Scale-Revised: toward a common metric in pediatric pain measurement. Pain 2001; 93: 173–83.
10.Stallard, P, Williams, L, Lenton, S, Velleman, R. Pain in cognitively impaired, non-communicating children. Arch Dis Child 2001; 85: 460–2.
11.Merkel, SI, Voepel-Lewis, T, Shayevitz, JR, Malviya, S. The FLACC: a behavioral scale for scoring postoperative pain in young children. Pediatr Nurs 1997; 23: 293–7.
12.Jacobi, J, Fraser, GL, Coursin, DB, et al. Clinical practice guidelines for the sustained use of sedatives and analgesics in the critically ill adult. Crit Care Med 2002; 30: 119–41.
13.Sauder, P, Andreoletti, M, Cambonie, G, et al. Sedation and analgesia in intensive care (with the exception of new-born babies). French Society of Anesthesia and Resuscitation. French-speaking Resuscitation Society. Ann Fr Anesth Reanim 2008; 27: 541–51.
14.Chanques, G, Viel, E, Constantin, JM, et al. The measurement of pain in intensive care unit: comparison of 5 self-report intensity scales. Pain 2010; 151: 711–21.
15.Payen, JF, Bru, O, Bosson, JL, et al. Assessing pain in critically ill sedated patients by using a behavioral pain scale. Crit Care Med 2001; 29: 2258–63.
16.Aissaoui, Y, Zeggwagh, AA, Zekraoui, A, Abidi, K, Abouqal, R. Validation of a behavioral pain scale in critically ill, sedated, and mechanically ventilated patients. Anesth Analg 2005; 101: 1470–6.
17.Ahlers, SJ, van Gulik, L, van der Veen, AM, et al. Comparison of different pain scoring systems in critically ill patients in a general ICU. Crit Care 2008; 12: R15.
18.Joshi, GP. Pain management after ambulatory surgery. Ambulatory Surgery 1999; 7: 3–12.
20.Buss, HE, Melderis, K. PACU pain management algorithm. J Perianesth Nurs 2002; 17: 11–20.