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Punto de sutura cervical (cerclaje) en combinación con otros tratamientos para prevenir el nacimiento prematuro espontáneo en embarazos únicos

Información

DOI:
https://doi.org/10.1002/14651858.CD012871.pub2Copiar DOI
Base de datos:
  1. Cochrane Database of Systematic Reviews
Versión publicada:
  1. 24 septiembre 2020see what's new
Tipo:
  1. Intervention
Etapa:
  1. Review
Grupo Editorial Cochrane:
  1. Grupo Cochrane de Embarazo y parto

Copyright:
  1. Copyright © 2020 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.

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Autores

  • George U Eleje

    Correspondencia a: Effective Care Research Unit, Department of Obstetrics and Gynaecology, Faculty of Medicine, College of Health Sciences, Nnamdi Azikiwe University, Nnewi Campus, PMB 5001, Nnewi, Nigeria

    [email protected]

  • Ahizechukwu C Eke

    Division of Maternal Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, USA

  • Joseph I Ikechebelu

    Department of Obstetrics/Gynaecology, Nnamdi Azikiwe University Teaching Hospital, Nnewi, Nigeria

  • Ifeanyichukwu U Ezebialu

    Department of Obstetrics and Gynaecology, Faculty of Clinical medicine, College of Medicine, Anambra State University Amaku, Awka, Nigeria

  • Princeston C Okam

    Department of Obstetrics and Gynaecology, Nnamdi Azikiwe University Teaching Hospital, Nnewi, Nigeria

  • Chito P Ilika

    Department of Obstetrics and Gynaecology, Nnamdi Azikiwe University Teaching Hospital, Nnewi, Nigeria

Contributions of authors

George Eleje conceived the review question and protocol, assessed studies for inclusion, extracted data, assessed risk of bias, carried out GRADE assessments, contributed to writing the review and approved the final draft.

Ahizechukwu Eke assessed studies for inclusion, assessed risk of bias, carried out GRADE assessments, contributed to writing the review and approved the final
draft.

Joseph Ikechebelu extracted data, contributed to writing the review and approved the final draft.

Princeston Okam searched for studies, screened studies, contributed to writing the review and approved the final draft.

Ifeanyichukwu Ezebialu assessed studies for inclusion, extracted data, assessed risk of bias, carried out GRADE assessments, contributed to writing the review and approved the final draft.

Chito Ilika searched for studies, screened studies, contributed to writing the review and approved the final draft.

Declarations of interest

George U Eleje: none known.
Joseph I Ikechebelu: none known.
Ahizechukwu C Eke: none known.
Princeston C Okam: none known.
Ifeanyichukwu U Ezebialu: none known.
Chito P Ilika: none known.

Acknowledgements

We would like to thank the previous Managing Editor of the Pregancy and Childbirth Group, Sonja Henderson, for her encouragement and advice that led to the registration of the topic for this protocol. We also thank Frances Kellie, the current Managing Editor of the Pregnancy and Chilbirth Group, for her numerous encouragements and words of advice.

Special thanks to Tamara Kredo, Elizabeth Pienaar, Babalwa Zani, Joy Oliver, Solange Durao, Charles Okwundu and Kholiswa Dube of the South African Cochrane Centre for encouraging us in the writing of protocols for systematic reviews. We are grateful to the Nigerian branch of the South African Cochrane Centre (SACC) and GJ Hofmeyr of the Effective Care Research Unit, East London, for training us in the conduct of protocol writing. We would also like to thank Denise Atherton, the Administrative Assistant of the Cochrane Pregnancy and Childbirth Group for all her support towards the completion of this protocol.

GE acknowledges the Faculty of Medicine, College of Health Sciences, Nnamdi Azikiwe University, Nnewi Campus, for providing the enabling environment that allowed him to complete this review.

We would like to thank Emily Miller for answering our queries and providing additional data in relation to Miller 2014.

This project was supported by the National Institute for Health Research, via Cochrane Infrastructure funding to Cochrane Pregnancy and Childbirth. The views and opinions expressed therein are those of the authors and do not necessarily reflect those of the Systematic Reviews Programme, NIHR, NHS or the Department of Health.

As part of the pre‐publication editorial process, this review has been commented on by four peers (an editor and three referees who are external to the editorial team), a member of our international panel of consumers and our Group's Statistical Adviser. The authors are grateful to the peer reviewers (who wish to remain anonymous) for their time and comments.

Version history

Published

Title

Stage

Authors

Version

2020 Sep 24

Cervical stitch (cerclage) in combination with other treatments for preventing spontaneous preterm birth in singleton pregnancies

Review

George U Eleje, Ahizechukwu C Eke, Joseph I Ikechebelu, Ifeanyichukwu U Ezebialu, Princeston C Okam, Chito P Ilika

https://doi.org/10.1002/14651858.CD012871.pub2

2017 Nov 15

Cervical cerclage in combination with other treatments for preventing preterm birth in singleton pregnancies

Protocol

George U Eleje, Joseph I Ikechebelu, Ahizechukwu C Eke, Princeston C Okam, Ifeanyichukwu U Ezebialu, Chito P Ilika

https://doi.org/10.1002/14651858.CD012871

Differences between protocol and review

The differences between our published protocol (Eleje 2017a) and the full review are outlined below.

In our protocol, we stated that we would exclude studies published in abstract form only. No abstracts were identified or excluded in this version of the review. However, in future updates, we will classify potentially eligible studies presented only as abstract as ’Studies awaiting classification’ pending their full publication.

Review title: we have edited the review title from ‘cervical cerclage’ to ‘cervical stitch (cerclage)’ to clarify the intervention for the reader.

Methods/types of outcomes: our protocol included three outcomes listed separately as ‘not prespecified outcomes’. The outcomes were:

  • Any intravenous, oral or combined tocolysis – now listed as ‘tocolysis (intravenous, oral or combined)'

  • Preterm premature rupture of the membranes – now listed as 'preterm premature rupture of membranes'

  • Chorioamnionitis ‐ now incorporated into the edited secondary outcome, ‘maternal infection, including chorioamnionitis, requiring intervention, e.g. antibiotics or delivery’

Keywords

MeSH

PICO

Population
Intervention
Comparison
Outcome

El uso y la enseñanza del modelo PICO están muy extendidos en el ámbito de la atención sanitaria basada en la evidencia para formular preguntas y estrategias de búsqueda y para caracterizar estudios o metanálisis clínicos. PICO son las siglas en inglés de cuatro posibles componentes de una pregunta de investigación: paciente, población o problema; intervención; comparación; desenlace (outcome).

Para saber más sobre el uso del modelo PICO, puede consultar el Manual Cochrane.

Study flow diagram.

Figuras y tablas -
Figure 1

Study flow diagram.

Risk of bias summary: review authors' judgements about each risk of bias item for each included study.

Figuras y tablas -
Figure 2

Risk of bias summary: review authors' judgements about each risk of bias item for each included study.

Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.

Figuras y tablas -
Figure 3

Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 1: Serious neonatal morbidity

Figuras y tablas -
Analysis 1.1

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 1: Serious neonatal morbidity

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 2: Perinatal loss: all ‐ including miscarriages and stillbirth (but no data for neonatal death)

Figuras y tablas -
Analysis 1.2

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 2: Perinatal loss: all ‐ including miscarriages and stillbirth (but no data for neonatal death)

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 3: Stillbirth (intrauterine fetal death at 24 weeks or more)

Figuras y tablas -
Analysis 1.3

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 3: Stillbirth (intrauterine fetal death at 24 weeks or more)

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 4: Miscarriages (perinatal loss before 24 weeks)

Figuras y tablas -
Analysis 1.4

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 4: Miscarriages (perinatal loss before 24 weeks)

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 5: Preterm birth < 28 weeks

Figuras y tablas -
Analysis 1.5

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 5: Preterm birth < 28 weeks

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 6: Preterm birth < 34 weeks

Figuras y tablas -
Analysis 1.6

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 6: Preterm birth < 34 weeks

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 7: Preterm birth < 37 weeks

Figuras y tablas -
Analysis 1.7

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 7: Preterm birth < 37 weeks

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 8: Serious intracranial pathology

Figuras y tablas -
Analysis 1.8

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 8: Serious intracranial pathology

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 9: Serious respiratory morbidity

Figuras y tablas -
Analysis 1.9

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 9: Serious respiratory morbidity

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 10: Necrotising enterocolitis

Figuras y tablas -
Analysis 1.10

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 10: Necrotising enterocolitis

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 11: Retinopathy of prematurity

Figuras y tablas -
Analysis 1.11

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 11: Retinopathy of prematurity

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 12: Maternal infection, including chorioamnionitis, requiring intervention (chorioamnionitis)

Figuras y tablas -
Analysis 1.12

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 12: Maternal infection, including chorioamnionitis, requiring intervention (chorioamnionitis)

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 13: Preterm premature rupture of membranes

Figuras y tablas -
Analysis 1.13

Comparison 1: Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone, Outcome 13: Preterm premature rupture of membranes

Summary of findings 1. Cervical cerclage in combination with antibiotics and tocolytics versus cervical cerclage alone for preventing preterm birth in singleton pregnancies

Cervical cerclage in combination with antibiotics and tocolytics versus cervical cerclage alone for preventing preterm birth in singleton pregnancies

Participants: pregnant women with singleton pregnancies in the second trimester of pregnancy and with risk factors for cervical insufficiency undergoing cervical cerclage in addition to other treatments

Settings: hospital in Chicago, USA
Intervention: cervical cerclage in combination with antibiotics (cefazolin or clindamycin) and tocolytics (indomethacin) versus cervical cerclage alone

Comparison: cervical cerclage alone

Outcomes

Anticipated absolute effects* (95% CI)

Relative effect
(95% CI)

No of participants
(studies)

Quality of the evidence
(GRADE)

Comments

Risk with cervical cerclage alone

Risk with cervical cerclage in combination with antibiotics and tocolytics

Serious neonatal morbidity

(Reported in Miller 2014 as 'composite adverse outcome', which included the following neonatal morbidities: respiratory distress syndrome, necrotising enterocolitis, intraventricular haemorrhage, retinopathy of prematurity, patent ductus arteriosus, sepsis)

Study population

RR 0.62
(0.31 to 1.24)

50
(1 study)

⊕⊝⊝⊝
very low1,2

500 per 1,000

310 per 1,000
(155 to 620)

Perinatal loss: all ‐ including miscarriages and stillbirth

(Note: data not available for neonatal death)

Study population

RR 0.46
(0.13 to 1.64)

50
(1 study)

⊕⊝⊝⊝
very low1,2

250 per 1,000

115 per 1,000
(33 to 410)

Baby discharged home healthy

See comment

Miller 2014 only reported the number of babies who survived until discharge, not the number of babies discharged home healthy which was the outcome of interest in this review. Survival until discharge reported narratively in this review.

Neonatal death before discharge

See comment

This outcome was not reported by Miller 2014 and these data were not available from the trial authors. Miller 2014 did report 'survival until discharge' (reported narratively in this review).

Stillbirth: intrauterine death at 24 or more weeks

Study population

Not estimable

50
(1 study)

⊕⊝⊝⊝
very low1,2

We sought this data from Miller 2014 who confirmed there were no stillbirths (50 infants).

0 per 1,000

0 per 1,000
(0 to 0)

Preterm birth < 34 completed weeks of pregnancy

Study population

RR 0.78
(0.44 to 1.40)

50
(1 study)

⊕⊝⊝⊝
very low1,2

Data obtained from trialist Miller 2014.

542 per 1,000

423 per 1,000
(238 to 758)

*The risk in the intervention group (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).

CI: confidence interval; RR: risk ratio;

GRADE Working Group grades of evidence
High certainty: We are very confident that the true effect lies close to that of the estimate of the effect
Moderate certainty: We are moderately confident in the effect estimate: The true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different
Low certainty: Our confidence in the effect estimate is limited: The true effect may be substantially different from the estimate of the effect
Very low certainty: We have very little confidence in the effect estimate: The true effect is likely to be substantially different from the estimate of effect

1 Downgraded (‐1) for serious concerns around limitations in study design (risk of bias ‐ there was no blinding of participants and personnel (risk of performance bias))
2 Downgraded (‐2) for very serious concerns around imprecision (single study with a small sample size (fewer than 400 participants), few or zero events, and wide confidence intervals)

Figuras y tablas -
Summary of findings 1. Cervical cerclage in combination with antibiotics and tocolytics versus cervical cerclage alone for preventing preterm birth in singleton pregnancies
Comparison 1. Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1.1 Serious neonatal morbidity Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

0.62 [0.31, 1.24]

1.2 Perinatal loss: all ‐ including miscarriages and stillbirth (but no data for neonatal death) Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

0.46 [0.13, 1.64]

1.3 Stillbirth (intrauterine fetal death at 24 weeks or more) Show forest plot

1

50

Risk Ratio (M‐H, Fixed, 95% CI)

Not estimable

1.4 Miscarriages (perinatal loss before 24 weeks) Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

0.46 [0.13, 1.64]

1.5 Preterm birth < 28 weeks Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

0.59 [0.27, 1.27]

1.6 Preterm birth < 34 weeks Show forest plot

1

50

Risk Ratio (M‐H, Fixed, 95% CI)

0.78 [0.44, 1.40]

1.7 Preterm birth < 37 weeks Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

0.86 [0.54, 1.38]

1.8 Serious intracranial pathology Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

Not estimable

1.9 Serious respiratory morbidity Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

0.46 [0.13, 1.64]

1.10 Necrotising enterocolitis Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

0.46 [0.04, 4.77]

1.11 Retinopathy of prematurity Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

0.92 [0.14, 6.05]

1.12 Maternal infection, including chorioamnionitis, requiring intervention (chorioamnionitis) Show forest plot

1

50

Risk Ratio (M‐H, Random, 95% CI)

1.38 [0.44, 4.32]

1.13 Preterm premature rupture of membranes Show forest plot

1

50

Risk Ratio (M‐H, Fixed, 95% CI)

2.08 [1.12, 3.87]

Figuras y tablas -
Comparison 1. Cervical cerclage in combination with antibiotic and tocolytic versus cervical cerclage alone