• 1
    HMSO. Report on Confidential Enquiries into Maternal Deaths in the United Kingdom. London, UK: RCOG, 199799. 2001.
  • 2
    World Health Organization. The Hypertensive Disorders of Pregnancy: Report of a WHO Study Group. Switzerland: World Health Organisation Tech Rep Service. 1987;788: 1114.
  • 3
    Siemons JM, Bogert LJF. The uric acid content of maternal and fetal blood. J Biol Chem 1917;32: 637.
  • 4
    Fadel HE, Northrop G, Misenhimer HR. Hyperuricemia in pre-eclampsia. A reappraisal. Am J Obstet Gynecol 1976;125: 6407.
  • 5
    Chesley LC, Williams LO. Renal glomerular and tubular function in relation to the hyperuricemia of preeclampsia and eclampsia. Am J Obstet Gynecol 1945;50: 36775.
  • 6
    Many A, Hubel CA, Roberts JM. Hyperuricemia and xanthine oxidase in preeclampsia, revisited. Am J Obstet Gynecol 1996;174: 28891.
  • 7
    Liedholm H, Montan S, Aberg A. Risk grouping of 113 patients with hypertensive disorders during pregnancy, with respect to serum urate, proteinuria and time of onset of hypertension. Acta Obstet Gynecol Scand Suppl 1984;62(Suppl 118):438.
  • 8
    Redman CW, Beilin LJ, Bonnar J, Wilkinson RH. Plasma-urate measurements in predicting fetal death in hypertensive pregnancy. Lancet 1976;1: 13703.
  • 9
    Lancet M, Fisher IL. The value of blood uric acid levels in toxemia of pregnancy. J Obstet Gynaecol Br Emp 1956;63: 11619.
  • 10
    McFarlane CN. An evaluation of the serum uric acid level in pregnancy. J Obstet Gynaecol Br Commonw 1963;70: 638.
  • 11
    Irwig LM, Tosteton AN, Gatsonis CA, Lao J, Colditz G, Chalmers TC, et al. Guidelines for meta-analyses evaluating diagnostic tests. Ann Intern Med 1994;120: 66776.
  • 12
    Cochrane Methods Working Group on Systematic Reviews of Screening and Diagnostic Tests: Recommended methods. 1996.
  • 13
    Deeks JJ. Systematic reviews in health care: systematic reviews of evaluations of diagnostic and screening tests. BMJ 2001;323: 15762.
  • 14
    Khan KS, Dinnes J, Kleijnen J. Systematic reviews to evaluate diagnostic tests. Eur J Obstet Gynecol Reprod Biol 2001;95: 611.
  • 15
    Yassaee F. Hyperuricemia and perinatal outcomes in patients with severe preeclampsia. Iran J Med Sci 2003;28: 1989.
  • 16
    Williams KP, Galerneau F. The role of serum uric acid as a prognostic indicator of the severity of maternal and fetal complications in hypertensive pregnancies. J Obstet Gynaecol Can 2002;24: 62832.
  • 17
    D’Anna R, Baviera G, Scilipoti A, Leonardi I, Leo R. The clinical utility of serum uric acid measurements in pre-eclampsia and transient hypertension in pregnancy. Panminerva Med 2000;42: 1013.
  • 18
    Martin JN Jr, May WL, Magann EF, Terrone DA, Rinehart BK, Blake P-G. Early risk assessment of severe preeclampsia: admission battery of symptoms and laboratory tests to predict likelihood of subsequent significant maternal morbidity. Am J Obstet Gynecol 1999;180: 140714.
  • 19
    Odendaal HJ, Pienaar ME. Are high uric acid levels in patients with early pre-eclampsia an indication for delivery? S Afr Med J 1997;87: 21318.
  • 20
    Shah DM, Reed G. Parameters associated with adverse perinatal outcome in hypertensive pregnancies. J Hum Hypertens 1996;10: 51115.
  • 21
    Magann EF, Chauhan SP, Naef RW, Blake PG, Morrison JC, Martin J. Standard parameters of preeclampsia: can the clinician depend upon them to reliably identify the patient with the HELLP syndrome? Aust N Z J Obstet Gynaecol 1993;33: 1226.
  • 22
    Voto LS, Illia R, Darbon-Grosso HA, Imaz FU, Margulies M. Uric acid levels: a useful index of the severity of preeclampsia and perinatal prognosis. J Perinat Med 1988;16: 1236.
  • 23
    Sagen N, Haram K, Nilsen ST. Serum urate as a predictor of fetal outcome in severe pre-eclampsia. Acta Obstet Gynecol Scand 1984;63: 715.
  • 24
    Varma TR. Serum uric acid levels as an index of fetal prognosis in pregnancies complicated by pre-existing hypertension and pre-eclampsia of pregnancy. Int J Gynaecol Obstet 1982;20: 4018.
  • 25
    Mathews DD, Agarwal V, Shuttleworth TP. The effect of rest and ambulation on plasma urea and urate levels in pregnant women with proteinuric hypertension. Br J Obstet Gynaecol 1980;87: 10958.
  • 26
    Dequiedt P, Tacquet A, Puech F, Cotteel M, Potier A, Leroy JL, et al. The prognostic value of raised uric acid in the blood in arterial hypertension in pregnancy. 58 cases (author's transl). J Gynecol Obstet Biol Reprod (Paris) 1979;8: 11520.
  • 27
    Fadel HE, Sabour MS, Mahran M, Seif-el DD, El-Mahallawi MN. Serum uric acid in pre-eclampsia and eclampsia. J Egypt Med Assoc 1969;52: 1223.
  • 28
    Connon AF, Wadsworth RJ. An evaluation of serum uric acid estimations in toxaemia of pregnancy. Aust N Z J Obstet Gynaecol 1968;8: 197201.
  • 29
    Seitchik J. Observations on the renal tubular reabsorption of uric acid. I. Normal pregnancy and abnormal pregnancy with and without pre-eclampsia. Am J Obstet Gynecol 1953;65: 9815.
  • 30
    Lijmer JG, Mol BW, Heisterkamp S, Bonsel GJ, Prins MH, Van Der Meulen JHP, et al. Empirical evidence of design-related bias in studies of diagnostic tests. JAMA 1999;282: 10616.
  • 31
    Rennie D. Improving reports of diagnostic tests: the STARD initiative. JAMA 2003;289: 8990.
  • 32
    Petitti DB. Meta-analysis, Decision Analysis and Cost Effectiveness Analysis. Oxford, UK: Oxford University Press, 1994.
  • 33
    Jaeschke R, Guyatt GH, Sackett DL. Users’ guide to the medical literature. III. How to use an article about a diagnostic test. B. What are the results and will they help me in caring for my patients? JAMA 1994;271: 7037.
  • 34
    DerSimonian R, Laird N. Meta-analysis in clinical trials. Control Clin Trials 1986;7: 17788.
  • 35
    Sutton AJ, Abrams KR, Jones DR, Sheldon TJ, Song F. Systematic reviews of trials and other studies. Health Technol Assess 1998;2: 1276.
  • 36
    Greenland S. Quantitative methods in the review of epidemiologic literature. Epidemiol Rev 1987;9: 130.
  • 37
    Brown M, Buddle ML. Hypertension in pregnancy: maternal and fetal outcomes according to laboratory and clinical features. Med J Aust 1996;165: 3605.
  • 38
    Chappell LC, Seed PT, Briley A, Kelly FJ, Beverley J, Charnock-Jones DS, et al. A longitudinal study of biochemical variables in women at risk of preeclampsia. Am J Obstet Gynecol 2002;187: 12736.
  • 39
    Moses LE, Shapiro D, Littenberg B. Combining independent studies of a diagnostic test into a summary ROC curve: data analytic approaches and some additional considerations. Stat Med 1993;12: 1293316.
  • 40
    Crowley P. Prophylactic corticosteroids for preterm birth. In: The Cochrane Library. Oxford, UK: Update Software; 2001.
  • 41
    Rey E, Le Lorier J, Burgess E, Lange IR, Leduc L. Report of the Canadian Hypertension Society Consensus Conference: 3. Pharmacologic treatment of hypertensive disorders in pregnancy. CMAJ 1997;157: 124554.
  • 42
    The Magpie Trial Collaborative Group. Do women with pre-eclampsia, and their babies, benefit from magnesium sulphate? The Magpie Trial: a randomised placebo-controlled trial. Lancet 2002;359: 1877.