A randomized trial of amnioreduction versus septostomy in the treatment of twin-twin transfusion syndrome

Kenneth J. Moise, Karen Dorman, Georgine Lamvu, George Saade, Nicholas M. Fisk, Jan E. Dickinson, R. D. Wilson, Alain Gagnon, Michael A. Belfort, Richard O. O'Shaughnessy, Usha Chitkara, Sonia S. Hassan, Anthony Johnson, Anthony Sciscione, Daniel Skupski

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

Objective: Left untreated, severe twin-to-twin transfusion syndrome (TTTS) presenting in the early second trimester of pregnancy is often associated with significant maternal morbidity and almost universal perinatal loss. Removal of excessive amounts of amniotic fluid through serial amniocenteses (amnioreduction) has been the mainstay of therapy. We sought to compare amnioreduction to intentional perforation of the intervening twin membrane (septostomy). Study design: Pregnant women with TTTS before 24 weeks' gestation were randomly assigned to serial amnioreduction or septostomy. A single puncture technique under ultrasound guidance was used for the septostomy. The primary outcome measure was survival to neonatal discharge, and was assessed based on the number of pregnancies or the number of fetuses as appropriate. Results: The study was terminated at the planned interim analysis stage after 73 women were enrolled. This was because the rate of survival of at least 1 infant was similar in the amnioreduction group compared to the septostomy group (78% vs 80% of pregnancies, respectively; RR = 0.94, 95%CI 0.55-1.61; P = .82). Patient undergoing septostomy were more likely to require a single procedure for treatment (64% vs 46%; P = .04). Conclusion: Although overall perinatal survival is not enhanced, septostomy offers the advantage of often requiring a single procedure compared to serial amnioreduction in the treatment of severe twin-to-twin transfusion syndrome.

Original languageEnglish (US)
Pages (from-to)701-707
Number of pages7
JournalAmerican Journal of Obstetrics and Gynecology
Volume193
Issue number3
DOIs
StatePublished - Sep 2005

Fingerprint

Fetofetal Transfusion
Pregnancy
Amniocentesis
Survival
Second Pregnancy Trimester
Amniotic Fluid
Punctures
Pregnant Women
Fetus
Therapeutics
Survival Rate
Mothers
Outcome Assessment (Health Care)
Morbidity
Membranes

Keywords

  • Amnioreduction
  • Septostomy
  • TTTS
  • Twin-to-twin transfusion syndrome

ASJC Scopus subject areas

  • Medicine(all)
  • Obstetrics and Gynecology

Cite this

A randomized trial of amnioreduction versus septostomy in the treatment of twin-twin transfusion syndrome. / Moise, Kenneth J.; Dorman, Karen; Lamvu, Georgine; Saade, George; Fisk, Nicholas M.; Dickinson, Jan E.; Wilson, R. D.; Gagnon, Alain; Belfort, Michael A.; O'Shaughnessy, Richard O.; Chitkara, Usha; Hassan, Sonia S.; Johnson, Anthony; Sciscione, Anthony; Skupski, Daniel.

In: American Journal of Obstetrics and Gynecology, Vol. 193, No. 3, 09.2005, p. 701-707.

Research output: Contribution to journalArticle

Moise, KJ, Dorman, K, Lamvu, G, Saade, G, Fisk, NM, Dickinson, JE, Wilson, RD, Gagnon, A, Belfort, MA, O'Shaughnessy, RO, Chitkara, U, Hassan, SS, Johnson, A, Sciscione, A & Skupski, D 2005, 'A randomized trial of amnioreduction versus septostomy in the treatment of twin-twin transfusion syndrome', American Journal of Obstetrics and Gynecology, vol. 193, no. 3, pp. 701-707. https://doi.org/10.1016/j.ajog.2005.01.067
Moise, Kenneth J. ; Dorman, Karen ; Lamvu, Georgine ; Saade, George ; Fisk, Nicholas M. ; Dickinson, Jan E. ; Wilson, R. D. ; Gagnon, Alain ; Belfort, Michael A. ; O'Shaughnessy, Richard O. ; Chitkara, Usha ; Hassan, Sonia S. ; Johnson, Anthony ; Sciscione, Anthony ; Skupski, Daniel. / A randomized trial of amnioreduction versus septostomy in the treatment of twin-twin transfusion syndrome. In: American Journal of Obstetrics and Gynecology. 2005 ; Vol. 193, No. 3. pp. 701-707.
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AU - Saade, George

AU - Fisk, Nicholas M.

AU - Dickinson, Jan E.

AU - Wilson, R. D.

AU - Gagnon, Alain

AU - Belfort, Michael A.

AU - O'Shaughnessy, Richard O.

AU - Chitkara, Usha

AU - Hassan, Sonia S.

AU - Johnson, Anthony

AU - Sciscione, Anthony

AU - Skupski, Daniel

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N2 - Objective: Left untreated, severe twin-to-twin transfusion syndrome (TTTS) presenting in the early second trimester of pregnancy is often associated with significant maternal morbidity and almost universal perinatal loss. Removal of excessive amounts of amniotic fluid through serial amniocenteses (amnioreduction) has been the mainstay of therapy. We sought to compare amnioreduction to intentional perforation of the intervening twin membrane (septostomy). Study design: Pregnant women with TTTS before 24 weeks' gestation were randomly assigned to serial amnioreduction or septostomy. A single puncture technique under ultrasound guidance was used for the septostomy. The primary outcome measure was survival to neonatal discharge, and was assessed based on the number of pregnancies or the number of fetuses as appropriate. Results: The study was terminated at the planned interim analysis stage after 73 women were enrolled. This was because the rate of survival of at least 1 infant was similar in the amnioreduction group compared to the septostomy group (78% vs 80% of pregnancies, respectively; RR = 0.94, 95%CI 0.55-1.61; P = .82). Patient undergoing septostomy were more likely to require a single procedure for treatment (64% vs 46%; P = .04). Conclusion: Although overall perinatal survival is not enhanced, septostomy offers the advantage of often requiring a single procedure compared to serial amnioreduction in the treatment of severe twin-to-twin transfusion syndrome.

AB - Objective: Left untreated, severe twin-to-twin transfusion syndrome (TTTS) presenting in the early second trimester of pregnancy is often associated with significant maternal morbidity and almost universal perinatal loss. Removal of excessive amounts of amniotic fluid through serial amniocenteses (amnioreduction) has been the mainstay of therapy. We sought to compare amnioreduction to intentional perforation of the intervening twin membrane (septostomy). Study design: Pregnant women with TTTS before 24 weeks' gestation were randomly assigned to serial amnioreduction or septostomy. A single puncture technique under ultrasound guidance was used for the septostomy. The primary outcome measure was survival to neonatal discharge, and was assessed based on the number of pregnancies or the number of fetuses as appropriate. Results: The study was terminated at the planned interim analysis stage after 73 women were enrolled. This was because the rate of survival of at least 1 infant was similar in the amnioreduction group compared to the septostomy group (78% vs 80% of pregnancies, respectively; RR = 0.94, 95%CI 0.55-1.61; P = .82). Patient undergoing septostomy were more likely to require a single procedure for treatment (64% vs 46%; P = .04). Conclusion: Although overall perinatal survival is not enhanced, septostomy offers the advantage of often requiring a single procedure compared to serial amnioreduction in the treatment of severe twin-to-twin transfusion syndrome.

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