Entonox for labor pain: A randomized placebo controlled trial

Pakistan Journal of Biological Sciences

Volumn 12, Issue 17, 2009, Pages 1217-1221

  Talebi, H ^a   Nourozi, A ^a   Jamilian, M ^a   Baharfar, N ^b   Eghtesadi Araghi, P ^c  

^a ARAK UNIVERSITY OF MEDICAL SCIENCES   (Iran)

^b SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCES   (Iran)

^c Parsteb Pajouheshyar Medical Sciences Research Institute (NGO)   (Iran)

Author keywords

Entonox; Labor pain; Randomized controlled trial

Indexed keywords

ANESTHETIC AGENT; NITROUS OXIDE; NITROUS OXIDE PLUS OXYGEN; OXYGEN;

ADOLESCENT; ADULT; ARTICLE; BLOOD; DRUG SELF ADMINISTRATION; FEMALE; HUMAN; LABOR PAIN; PREGNANCY;

ADOLESCENT; ADULT; ANESTHETICS, COMBINED; FEMALE; HUMANS; LABOR PAIN; NITROUS OXIDE; OXYGEN; PREGNANCY; SELF ADMINISTRATION; YOUNG ADULT;

EID: 70349983258     PISSN: 10288880     EISSN: 18125735     Source Type: Journal    
DOI: 10.3923/pjbs.2009.1217.1221     Document Type: Article

References (25)

1. Abboud, T.K., F. Swart, J. Zhu, M.M. Donovan, E. Peres Da Silva and K. Yakal, 1995. Desflurane analgesia for vaginal delivery. Acta Anaesthesiol Scand, 39: 259-261.
2. Abboud, T.K., S.M. Shnider, R.G. Wright, S.H. Rolbin and J.B. Craft et al., 1981. Enflurane analgesia in obstetrics. Anesth. Analg., 60: 133-137.
3. Amiel-Tison, C., G. Barrier, S.M. Shnider, G. Levinson, S.C. Hughes and S.J. Stefani, 1982. A new neurologic and adaptive capacity scoring system for evaluating obstetric medications in full-term newborns. Anesthesiology, 56: 340-350.
4. Anonymous, 1970. Clinical trials of different concentrations of oxygen and nitrous oxide for obstetric analgesia. Report to the medical research council of the committee on nitrous oxide and oxygen analgesia in midwifery. Br. Med. J., 1: 709-713.
5. Arfeen, Z., P.J. Armstrong and A. Whitfield, 1994. The effects of Entonox and epidural analgesia on arterial oxygen saturation of women in labour. Anaesthesia, 49: 32-34.
6. Arthurs, G.J. and M. Rosen, 1979. Self-administered intermittent nitrous oxide analgesia for labour. Enhancement of effect with continuous nasal inhalation of 50 per cent nitrous oxide (Entonox). Anaesthesia, 34: 301-309.
7. Bergsjo, P. and E. Lindbaek, 1971. Comparison between nitrous oxide and methoxyflurane for obstetrical analgesia. Acta Obstet Gynecol Scand, 50: 285-290.
8. Bishop, J.T., 2007. Administration of nitrous oxide in labor: expanding the options for women. J. Midwifery Womens Health, 52: 308-309.
9. Carstoniu, J., S. Levytam, P. Norman, D. Daley, J. Katz and A.N. Sandler, 1994. Nitrous oxide in early labor. Safety and analgesic efficacy assessed by a double-blind, placebo-controlled study. Anesthesiology, 80: 30-35.
10. Einarsson, S., O. Stenqvist, A. Bengtsson, H. Noren and J.P. Bengtson, 1996. Gas kinetics during nitrous oxide analgesia for labour. Anaesthesia, 51: 449-452.
11. Goodman, S.R., R.M. Smiley, M.A. Negron, P.A. Freedman and R. Landau, 2009. A randomized trial of breakthrough pain during combined spinal-epidural versus epidural labor analgesia in parous women. Anesth. Analg., 108: 246-251.
12. Irestedt, L., 1994. Current status of nitrous oxide for obstetric pain relief. Acta Anaesthesiol Scand, 38: 771-772.
13. Jones, P.L., M. Rosen, W.W. Mushin and E.V. Jones, 1969. Methoxyflurane and nitrous oxide as obstetric analgesics. I. A comparison by continuous administration. Br. Med. J., 3: 255-259.
14. Jones, P.L., M. Rosen, W.W. Mushin and E.V. Jones, 1969. Methoxyflurane and nitrous oxide as obstetric analgesics. II. A comparison by self-administered intermittent inhalation. Br. Med. J., 3: 259-262.
15. Leeman, L., P. Fontaine, V. King, M.C. Klein and S. Ratcliffe, 2003. The nature and management of labor pain: Part II. Pharmacologic pain relief. Am. Fam. Phys., 68: 1115-1120.
16. McAneny, T. and A. Doughty, 1963. Self-administration of nitrous oxide/oxygen in obstetrics. Anaesthesia, 18: 488-497.
17. McGuinness, C. and M. Rosen, 1984. Enflurane as an analgesic in labour. Anaesthesia, 39: 24-26.
18. McLeod, D.D., G.P. Ramayya and M.E. Tunstall, 1985. Self-administered isoflurane in labour. A comparative study with entonox. Anaesthesia, 40: 424-426.
19. Onody, P., P. Gil and M. Hennequin, 2006. Safety of inhalation of a 50% nitrous oxide/oxygen premix: A prospective survey of 35 828 administrations. Drug Saf., 29: 633-640.
20. Rosen, M.A., 2002. Nitrous oxide for relief of labor pain: A systematic review. Am. J. Obstet Gynecol, 186: S110-126.
21. Scanlon, J.W., W.U. Brown, Jr., J.B. Weiss and M.H. Alper, 1974. Neurobehavioral responses of newborn infants after maternal epidural anesthesia. Anesthesiology, 40: 121-128.
22. Stefani, S.J., S.C. Hughes, S.M. Schnider, G. Levinson and T.K. Abboud et al., 1982. Neonatal neurobehavioral effects of inhalation analgesia for vaginal delivery. Anesthesiology, 56: 351-355.
23. Wee, M.Y., M.A. Hasan and T.A. Thomas, 1993. Isoflurane in labour. Anaesthesia, 48: 369-372.
24. Westling, F., I. Milsom, H. Zetterstrom and B. Ekstrom-Jodal, 1992. Effects of nitrous oxide/oxygen inhalation on the maternal circulation during vaginal delivery. Acta Anaesthesiol Scand, 36: 175-178.
25. Zelcer, J., H. Owers and J.D. Paull, 1989. A controlled oximetric evaluation of inhalational, opioid and epidural analgesia in labour. Anaesth Intensive Care, 17: 418-421.