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Reposo en cama en los embarazos con feto único para la prevención de nacimientos prematuros

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Referencias

Referencias de los estudios incluidos en esta revisión

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Hobel 1994 {published data only}

Hobel C, Ross M, Bemis R, Bragonier J, Nessim S, Sandhu M, et al. The West Los Angeles preterm birth prevention project: I. Program impact on high‐risk women. American Journal of Obstetrics and Gynecology 1994;170:54‐62.

Referencias de los estudios excluidos de esta revisión

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Larsen 1980 {published data only}

Hesseldahl H. A Danish multicenter study on ritodrine in the treatment of pre‐term labour. Danish Medical Bulletin1979; Vol. 26, issue 3:116‐8.
Larsen J, Hansen M, Hesseldahl H, Kristoffersen K, Larsen P, Osler M, et al. Ritodrine in the treatment of preterm labour. A clinical trial to compare a standard treatment with three regimens involving the use of ritrodine. British Journal of Obstetrics and Gynaecology 1980;87(11):949‐57.

Referencias de los estudios en espera de evaluación

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Elliott 2005 {published data only}

Elliott JP, Miller HS, Coleman S, Rhea D, Abril D, Hallbauer K, et al. A randomized multicenter study to determine the efficacy of activity restriction for preterm labor management in patients testing negative for fetal fibronectin. Journal of Perinatology 2005;25(10):626‐30.

Ma 1992 {published data only}

Ma L. Magnesium sulfate in prevention of preterm labor. Chung Hua I Hsueh Tsa Chih Taipei 1992;72(3):158‐61.

Allen 1999

Allen C, Glasziou P, Del Mar C. Bed rest: a potentially harmful treatment needing more careful evaluation. Lancet 1999;354:1229‐33.

Clarke 2000

Clarke M, Oxman AD, (editors). Cochrane Reviewers' Handbook 4.1 [updated June 2000]. In: Review Manager (RevMan) [Computer program]. Version 4.1. Oxford, England: The Cochrane Collaboration, 2000.

Crowley 2003

Crowley P. Prophylactic corticosteroids for preterm birth (Cochrane Review). The Cochrane Library 2003, Issue 4.

Crowther 1991

Crowther C, Chalmers I. Bed rest and hospitalization during pregnancy. In: Chalmers I, Enkin M, Keirse MJNC editor(s). Effective care in pregnancy and childbirth. New York: Oxford University Press, 1991:625.

Crowther 2003a

Crowther CA, Moore V. Magnesium maintenance therapy for preventing preterm birth after threatened preterm labour (Cochrane Review). The Cochrane Library 2003, Issue 4.

Crowther 2003b

Crowther CA. Hospitalisation and bed rest for multiple pregnancy (Cochrane Review). The Cochrane Library 2003, Issue 4.

Cunningham 1993

Cunningham FG, MacDonald PC, Leveno KJ, Gant NF, Gilstrap III LG. Williams obstetrics. 19th Edition. Norwalk, Connecticut: Appleton & Lange, 1993:868.

Goldenberg 1994

Goldenberg RL, Cliver SP, Bronstein J, Cutter GR, Andrews WW, Mennemeyer ST. Bed rest in pregnancy. Obstetrics and Gynecology 1994;84:131‐6.

Gupton 1997

Gupton A, Heaman M, Ashcroft T. Bed rest from the perspective of the high‐risk pregnant woman. Journal of Obstetric, Gynecologic and Neonatal Nursing 1997;26(4):423‐30.

Hesseldahl 1979

Hesseldahl H. A Danish multicenter study on ritodrine in the treatment of pre‐term labour. Danish Medical Bulletin1979; Vol. 26, issue 3:116‐8.

Hrobjartsson 2001

Hrobjartsson A, Gotzsche PC. Is the placebo powerless?. New England Journal of Medicine 2001;344(21):1594‐602.

King 2003

King J, Flenady V. Antibiotics for preterm labour with intact membranes (Cochrane Review). The Cochrane Library 2003, Issue 4.

Kovacevich 2000

Kovacevich GJ, Gaich SA, Lavin JP, Hopkins MP, Crane SS, Stewart J, et al. The prevalence of thromboembolic events among women with extended bed rest prescribed as part of the treatment for premature labor or preterm premature rupture of membranes. American Journal of Obstetrics and Gynecology 2000;182(5):1089‐92.

Maloni 1993

Maloni JA, Chance B, Zhang C, Cohen AW, Betts D, Gange SJ. Physical and psychosocial side effects of antepartum hospital bed rest. Nursing Research 1993;42(4):197‐203.

Maloni 2001

Maloni JA, Brezinski‐Tomasi JE, Johnson LA. Antepartum bed rest: effect upon the family. Journal of Obstetric, Gynecologic and Neonatal Nursing 2001;30(2):165‐73.

Maloni 2002

Maloni JA, Kane JH, Suen LJ, Wang KK. Dysphoria among high‐risk pregnant hospitalized women on bed rest: a longitudinal study. Nursing Research 2002;51(2):92‐9.

Mamelle 1984

Mamelle N, Laumon B, Lazar P. Prematurity and occupational activity during pregnancy. American Journal of Epidemiology 1984;119(3):309‐22.

May 1994

May KA. Impact of maternal activity restriction for preterm labor on the expectant father. Journal of Obstetrics, Gynecology and Neonatal Nursing 1994;23(3):246‐51.

McCormick 1985

McCormick MC. The contribution of low birth weight to infant mortality and childhood morbidity. New England Journal of Medicine 1966;312:82‐90.

RevMan 2000 [Computer program]

The Cochrane Collaboration. Review Manager (RevMan). Version 4.1 for Windows. Oxford, England: The Cochrane Collaboration, 2000.

Robertson 1992

Robertson PA, Sniderman SH, Laros RK, Cowan R, Heilbran D, Goldenberg RL, et al. Neonatal morbidity according to gestational age and birth weight from tertiary care centers in the United States, 1983 through 1986. American Journal of Obstetrics and Gynecology 1992;166:1629‐41.

Saurel 1985

Saurel‐Cubizolles MJ, Kaminski M, Llado‐Arkhipoff J, Du Mazaubrun C, Estryn‐Behar M, Berthier C, et al. Pregnancy and its outcome among hospital personnel according to occupation and working conditions. Journal of Epidemiology and Community Health 1985;39(2):129‐34.

Schroeder 1996

Schroeder CA. Women's experience of bed rest in high‐risk pregnancy. Image ‐ The Journal of Nursing Scholarship 1996;28(3):253‐8.

Schwarcz 1995

Schwarcz RL, Duverges CA, Díaz AG, Fescina RH. Anomalias de la duración del embarazo. Obstetricia. 5th Edition. Buenos Aires: El Ateneo, 1995:218‐32.

Smaill 2003

Smaill F. Antibiotics for asymptomatic bacteriuria in pregnancy (Cochrane Review). The Cochrane Library 2003, Issue 4.

Teitelman 1990

Teitelman AM, Welch LS, Hellenbrand KG, Bracken MB. Effect of maternal work activity on preterm birth and low birth weight. American Journal of Epidemiology 1990;131:104‐13.

Characteristics of studies

Characteristics of included studies [ordered by study ID]

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Hobel 1994

Methods

Cluster randomized trial designed to evaluate an educational intervention. Eight hospitals were randomized to intervention (5) and control (8). Women in the intervention units were randomized to one of five interventions.

Participants

High risk pregnant women evaluated by risk scoring system.
1774 high risk pregnant women in the five hospitals of the intervention group and 880 pregnant women in the three hospitals of the control group.

Interventions

Intervention hospitals carried out an educational intervention consisting of identification of preterm labor, steps to take if signs of preterm labor occurred, and prevention strategies. Besides this intervention, women were randomized to one of five interventions:
Bed rest at home (432)
Placebo (412)
Progestine (411)
Social support (407)
No intervention (422).

Outcomes

Preterm birth rate
(< 37 weeks).

Notes

For this review we only took into account women individually randomized in the intervention group.

Risk of bias

Bias

Authors' judgement

Support for judgement

Allocation concealment?

Unclear risk

B ‐ Unclear

Characteristics of excluded studies [ordered by study ID]

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Study

Reason for exclusion

Larsen 1980

The main objective was to evaluate ritodrine for preventing preterm birth. The compared interventions were ritrodrine and bed rest versus bed rest alone.

Data and analyses

Open in table viewer
Comparison 1. Bed rest versus no intervention

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Preterm birth Show forest plot

1

1266

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.62, 1.37]
Analysis 1.1
Comparison 1 Bed rest versus no intervention, Outcome 1 Preterm birth.

Comparison 1 Bed rest versus no intervention, Outcome 1 Preterm birth.

Comparison 1 Bed rest versus no intervention, Outcome 1 Preterm birth.
Figuras y tablas -
Analysis 1.1

Comparison 1 Bed rest versus no intervention, Outcome 1 Preterm birth.

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Comparison 1. Bed rest versus no intervention

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Preterm birth Show forest plot

1

1266

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.62, 1.37]
Figuras y tablas -
Comparison 1. Bed rest versus no intervention
Ir a la tabla de la revisión