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Chimenea Á, García-Díaz L, Antiñolo G. Two Year Neurodevelopmental Outcome after Fetoscopic Laser Therapy for Twin-Twin Transfusion Syndrome: Comparison with Uncomplicated Monochorionic Diamniotic Twins. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1250. [PMID: 37508747 PMCID: PMC10378473 DOI: 10.3390/children10071250] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/07/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023]
Abstract
BACKGROUND Twin-twin Transfusion Syndrome (TTTS) represents a significant complication in monochorionic twin pregnancies, caused by an unbalanced shunting of blood through intertwin placental vascular anastomoses. Despite advances in fetoscopic laser surgery, TTTS is still associated with a high rate of cerebral injury. However, there are no studies comparing these pregnancies with uncomplicated monochorionic diamniotic (MCDA) twin pregnancies, establishing the baseline risk of neurodevelopmental impairment. The aim of this study is to evaluate the odds of neurodevelopmental impairment in MCDA twins who undergo fetoscopic laser surgery for twin-twin transfusion syndrome, in comparison to a cohort of uncomplicated MCDA twin pregnancies. STUDY DESIGN This is a retrospective cohort study of children born from MCDA twin pregnancies at a single center between 2008 and 2019. A routine, standardized follow-up assessment was conducted at a minimum of 2 years after delivery. The primary outcome of this was a 2 year neurodevelopmental impairment. Neurological, motor, and cognitive development was assessed by using the revised Brunet-Lézine scale. RESULTS 176 children met the enrolment criteria. Of these, 42 (24%; TTTS group) underwent fetoscopic laser surgery for TTTS during pregnancy, and 134 (76%; uncomplicated MCDA group) were uncomplicated MCDA pregnancies. The primary outcome was found in four children (9.52%) in the TTTS group and ten children (7.46%) in the uncomplicated MCDA group (p = 0.67, aOR 2.82, 95% CI 0.49-16.23). Major neurologic impairment was found in 2.38% after fetoscopic laser surgery and 1.49% in uncomplicated MCDA twins (p = 0.70, aOR 0.97, 95% CI 0.22-4.24). The data were adjusted by birth order, birth weight, and gestational age at birth. CONCLUSIONS The outcome in MCDA twins who underwent fetoscopic laser surgery for TTTS is comparable to the outcome in uncomplicated MCDA twins. Our findings emphasize the need for long-term neurodevelopmental follow-ups in all children from monochorionic twin gestations.
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Affiliation(s)
- Ángel Chimenea
- Department of Materno-Fetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS), Hospital Universitario Virgen del Rocio, CSIC, University of Seville, ES-41013 Seville, Spain
- Fetal, IVF and Reproduction Simulation Training Centre (FIRST), ES-41010 Seville, Spain
| | - Lutgardo García-Díaz
- Department of Materno-Fetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS), Hospital Universitario Virgen del Rocio, CSIC, University of Seville, ES-41013 Seville, Spain
| | - Guillermo Antiñolo
- Department of Materno-Fetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS), Hospital Universitario Virgen del Rocio, CSIC, University of Seville, ES-41013 Seville, Spain
- Fetal, IVF and Reproduction Simulation Training Centre (FIRST), ES-41010 Seville, Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER), ES-41013 Seville, Spain
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Clark A, Flouri D, Mufti N, James J, Clements E, Aughwane R, Aertsen M, David A, Melbourne A. Developments in functional imaging of the placenta. Br J Radiol 2023; 96:20211010. [PMID: 35234516 PMCID: PMC10321248 DOI: 10.1259/bjr.20211010] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 01/26/2022] [Accepted: 02/22/2022] [Indexed: 12/21/2022] Open
Abstract
The placenta is both the literal and metaphorical black box of pregnancy. Measurement of the function of the placenta has the potential to enhance our understanding of this enigmatic organ and serve to support obstetric decision making. Advanced imaging techniques are key to support these measurements. This review summarises emerging imaging technology being used to measure the function of the placenta and new developments in the computational analysis of these data. We address three important examples where functional imaging is supporting our understanding of these conditions: fetal growth restriction, placenta accreta, and twin-twin transfusion syndrome.
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Affiliation(s)
- Alys Clark
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
| | | | | | - Joanna James
- Department of Obstetrics and Gynaecology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Eleanor Clements
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, UK
| | - Rosalind Aughwane
- Elizabeth Garrett Anderson Institute for Women’s Health, University College London, London, UK
| | - Michael Aertsen
- Department of Radiology, University Hospitals KU Leuven, Leuven, Belgium
| | - Anna David
- Elizabeth Garrett Anderson Institute for Women’s Health, University College London, London, UK
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Clinical Value and Treatment Progress of Prenatal Ultrasonography in Twin Pregnancy: A Systematic Review. CONTRAST MEDIA & MOLECULAR IMAGING 2022; 2022:6748487. [PMID: 36051930 PMCID: PMC9424050 DOI: 10.1155/2022/6748487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/23/2022] [Accepted: 07/01/2022] [Indexed: 11/23/2022]
Abstract
Assisted reproductive technology has continued to develop in recent years, the technology has become more and more mature, and it has improved the total gestational age of the population. Assisted reproductive technology has improved twin pregnancy rates with the use of ovulation-inducing drugs. The risk factor of twins is much higher than singletons, and adverse pregnancy outcomes such as stillbirth and premature birth are more likely to occur than singletons, especially the special complications of monochorionic twins (MC), and the neonatal mortality and morbidity are also increased. Prenatal diagnosis and prognosis of twin pregnancy, as well as therapeutic interventions, are of current concern. Ultrasound can realize the understanding of intrauterine growth and development of twin pregnancy fetuses during pregnancy, can more accurately determine gestational age, organ function, and maturity, and timely detect fetal growth and development abnormalities in twin pregnancy, while the prognosis and treatment still need further improvement. The purpose of this study was to investigate the clinical value and treatment progress of prenatal ultrasound monitoring in twin pregnancy.
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Effect of Fetoscopic Laser Photocoagulation on Fetal Growth and Placental Perfusion in Twin-Twin Transfusion Syndrome. J Clin Med 2022; 11:jcm11154404. [PMID: 35956021 PMCID: PMC9368961 DOI: 10.3390/jcm11154404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/11/2022] [Accepted: 07/27/2022] [Indexed: 02/01/2023] Open
Abstract
Objective: To investigate the fetal growth pattern after fetoscopic laser photocoagulation (FLP) in twin-twin transfusion syndrome (TTTS) and the effect of FLP on placental perfusion and intrauterine growth restriction (IUGR) incidence. Methods: TTTS cases with a live delivery of both twins at least 28 days after FLP and with a neonatal follow-up at our hospital at least 60 days after delivery were included. The biometric data obtained before FLP (based on ultrasound); time point M1), upon birth (M2), and at neonatal follow-up (M3) were analyzed. The body weight discordance (BWD) was defined as (estimated fetal weight [body weight] of the recipient twin − estimated fetal weight [body weight] of the donor twin)/(estimated fetal weight [body weight] of the recipient twin) × 100%. Total weight percentile (TWP) was defined as the donor + recipient twin weight percentile; the TWP indirectly reflected the total placental perfusion. Results: the BWDs decreased from M1 to M2 to M3 (24.6, 15.9, and 5.1, respectively, p < 0.001, repeated measurements). The weight percentiles of recipient twins decreased after FLP, that is, from M1 to M2 (53.4% vs. 33.6%, respectively, p < 0.001, least significant difference [LSD] test). However, the weight percentiles of donor twins increased after delivery, that is, from M2 to M3 (13.2% vs. 26.2%, respectively, p < 0.001, LSD test). Moreover, the TWPs decreased after FLP, that is, from M1 to M2 (66.2% vs. 46.8%, respectively, p = 0.002, LSD test) and increased after delivery, that is, from M2 to M3 (46.8% vs. 63.2%, respectively, p = 0.024, LSD test). The IUGR incidences in donor twins were significantly lower after FLP (77.4% vs. 56.6%, respectively, p = 0.019, McNemar test) and further decreased after delivery (56.6% vs. 37.7%, respectively, p = 0.041, McNemar Test); however, no significant difference was observed in recipient twins’ IUGR incidences among M1, M2, and M3. The donor twin had catch- up growth in body weight, height, and head circumference after delivery, and the recipient twin had catch-up growth in only body height after delivery. Conclusions: the BWD decreased after FLP in fetuses with TTTS mainly because of the decreased weight percentiles of recipient twins. Moreover, it further decreased after delivery mainly because of the increased weight percentiles of donor twins. FLP not only decreased placental perfusion but also improved the TTTS prognosis because of reduced BWD and donor twin IUGR incidence.
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Bartin R, Colmant C, Bourgon N, Ville Y, Stirnemann J. Effect of gestational age at laser therapy on perinatal outcome in monochorionic diamniotic pregnancies affected by twin-to-twin transfusion syndrome. BJOG 2022; 129:2028-2037. [PMID: 35596696 DOI: 10.1111/1471-0528.17228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/13/2022] [Accepted: 04/24/2022] [Indexed: 12/01/2022]
Abstract
OBJECTIVE To evaluate the effect of gestational age at laser therapy for twin-to-twin transfusion syndrome (TTTS) on perinatal outcome. DESIGN AND SETTINGS Single retrospective observational cohort. POPULATION All consecutive pregnancies affected by TTTS and referred to our department between January 2013 and August 2020. METHODS Gestational age was modelled both as a categorical and as a continuous variable. Log-binomial regression was used to estimate the odds ratios (crude and adjusted for placental location, Quintero stage and cervical length) as well as the adjusted predicted probability of survival and fetal loss according to gestational age at laser therapy. MAIN OUTCOMES Fetal and neonatal survival, preterm prelabour rupture of membranes (PPROM). RESULTS Of the 503 pregnancies referred for TTTS, 431 were treated by laser therapy. Gestational age at laser therapy was positively and significantly associated with the overall survival at birth and at discharge (adjusted odds ratio [aOR] 1.12, 95% CI 1.05-1.19), as with a reduction in double fetal loss (aOR 0.81, 95% CI 0.71-0.92). Conversely, the rate of PPROM before 24 weeks was significantly higher in early cases (32% of PPROM <24 weeks when laser therapy was performed before 17 weeks versus 1.5% after 22 weeks, p < 0.001, aOR 0.60, 95% CI 0.48-0.72). Among the survivors, preterm birth before 28 weeks was significantly related to the gestational age at laser (OR 0.91, 95% CI 0.84-0.99), resulting in a significant impact on neonatal morbidity (OR 0.91, 95% CI 0.85-0.97). CONCLUSION Our results suggest a significant and independent impact of the gestational age at laser surgery on perinatal survival, PPROM and neonatal morbidity.
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Affiliation(s)
- Raphael Bartin
- Obstetrics and Fetal Medicine, Hôpital universitaire Necker-Enfants malades, Paris, France
| | - Claire Colmant
- Obstetrics and Fetal Medicine, Hôpital universitaire Necker-Enfants malades, Paris, France
| | - Nicolas Bourgon
- Obstetrics and Fetal Medicine, Hôpital universitaire Necker-Enfants malades, Paris, France
| | - Yves Ville
- Obstetrics and Fetal Medicine, Hôpital universitaire Necker-Enfants malades, Paris, France.,Faculté de Médecine, EA 7328 and PACT, Université de Paris, Paris, France
| | - Julien Stirnemann
- Obstetrics and Fetal Medicine, Hôpital universitaire Necker-Enfants malades, Paris, France.,Faculté de Médecine, EA 7328 and PACT, Université de Paris, Paris, France
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Chang YL, Chao AS, Chang SD, Cheng PJ, Li WF, Hsu CC. Incidence, prognosis, and perinatal outcomes of and risk factors for severe twin–twin transfusion syndrome with right ventricular outflow tract obstruction in the recipient twin after fetoscopic laser photocoagulation. BMC Pregnancy Childbirth 2022; 22:326. [PMID: 35428218 PMCID: PMC9013146 DOI: 10.1186/s12884-022-04668-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 04/08/2022] [Indexed: 11/10/2022] Open
Abstract
Background Right ventricular outflow tract obstruction (RVOTO) is the most frequently encountered congenital heart disease in patients with twin –twin transfusion syndrome (TTTS) and is especially prevalent in the recipient twin. In this retrospective study, we evaluated the incidence, prognosis, postnatal management, and perinatal outcomes of and risk factors for RVOTO in the recipient twin in severe TTTS cases which diagnosed before 26 weeks after fetoscopic laser photocoagulation (FLP) at a single center in Taiwan. Methods RVOTO was diagnosed using fetal or postnatal echocardiography. The fetal outcomes evaluated were perinatal survival rate, neonatal brain image anomalies rate, gestational age at delivery, and birth weight. Results Total 187 severe TTTS cases were included; 14 (7.49%) had a recipient twin with RVOTO (12 cases of pulmonary stenosis and 2 of pulmonary atresia). Of these 14 cases, 3 (21.4%) demonstrated improvements in outflow obstruction after FLP, and 11 (78.6%) resulted in perinatal survival. Of the 11 survivors, 5 (45.5%) received transcatheter balloon valvuloplasty to alleviate the RVOTO. The perinatal survival rate, gestational age at delivery, neonatal brain image anomaly rate, and birth weights did not significantly differ between the groups in which the recipient twin had versus did not have RVOTO. Generally, the recipient twin had RVOTO received FLP at a younger gestational age (in weeks; 19.3 ± 2.4 vs. 20.7 ± 2.6, p = 0.048) and had a higher percentage of cases at Quintero stage IV (50.0% vs. 12.1%, p < 0.001) than those in which the recipient twin did not have with RVOTO. Using logistic regression, we discovered that FLP at a younger gestational age (p = 0.046, odds ratio = 0.779) and TTTS at Quintero stage IV (p = 0.001, odds ratio = 7.206) were risk factors for the recipient twin developing RVOTO after FLP in severe TTTS cases. Conclusions The post-FLP perinatal outcomes of cases of severe TTTS in which the recipient twin had versus did not have RVOTO were comparable in this study, which may have been due to the similar gestational ages at delivery and strong influence of high Quintero stages (stages III and IV).
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Allameh F, Javadi A, Dadkhahfar S, Naeeji Z, Moridi A, Tadayon N, Alahyari S. A Systematic Review of Elective Laser Therapy during Pregnancy. J Lasers Med Sci 2021; 12:e50. [PMID: 34733773 DOI: 10.34172/jlms.2021.50] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 06/26/2021] [Indexed: 12/15/2022]
Abstract
Introduction: Currently, lasers are used to treat many diseases and their complications. However, the use of lasers in pregnant patients is still controversial. Methods: In this review, the application of lasers in the fields of urology, surgery, obstetrics, dermatology, and musculoskeletal disorders is evaluated. The following keywords were used to search through PubMed, Google Scholar, and Scopus: pregnancy, laser, urolithiasis, endovenous laser ablation (EVLA) or treatment, leg edema, varicose vein, venous insufficiencies, hair removal, pigmentation, telangiectasia, vascular lesions, Q switch laser, diode laser, holmium, holmium-YAG laser, erbium laser and Pulsed dye laser, low-level laser therapy, high-intensity laser therapy, pain, musculoskeletal disorders, twin to twin transfusion syndrome (TTTS), amnioreduction, and safety. Results: Totally, 147 articles were found, and their abstracts were evaluated; out of 53 articles extracted, 14 articles were about dermatology, 24 articles were about urology, 12 articles were about obstetrics and gynecology, 10 articles were about musculoskeletal disorders and three articles were related to surgery. Conclusion: Laser therapy can be used as a safe treatment for urolithiasis, skin diseases, TTTS and varicose veins of the lower extremities. However, the use of laser therapy for musculoskeletal disorders during pregnancy is not recommended due to lack of evidence, and also we cannot recommend endovenous ablation.
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Affiliation(s)
- Farzad Allameh
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atefeh Javadi
- Physical Medicine and Rehabilitation Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sahar Dadkhahfar
- Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Naeeji
- Clinical Research Development Center, Mahdiyeh Educational Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atefeh Moridi
- Department of Gynecology and Obstetrics, Mahdiye Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Niki Tadayon
- Department of General and Vascular Surgery, Shohada-e-Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sam Alahyari
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Laverde-Martínez LF, Zamudio-Castilla LM, Arango-Sakamoto A, Satizábal-Padridin N, López-Erazo LJ, Billefals-Vallejo ES, Orozco-Peláez YA. Seguridad de la anestesia neuroaxial en mujeres con embarazo gemelar y síndrome de transfusión feto-fetal, sometidas a fotocoagulación láser. Estudio de cohorte retrospectiva. REVISTA COLOMBIANA DE OBSTETRICIA Y GINECOLOGÍA 2021; 72:258-270. [PMID: 34851569 PMCID: PMC8616583 DOI: 10.18597/rcog.3644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 08/02/2021] [Indexed: 11/04/2022]
Abstract
Objetivo: describir las características clínicas y la frecuencia de complicaciones maternas, fetales y neonatales, según técnica de anestesia neuroaxial (AN) en mujeres con síndrome de transfusión feto-fetal (STFF) tratadas con fotocoagulación láser (FL).
Materiales y métodos: estudio de cohorte retrospectiva descriptivo. Se incluyeron gestantes con STFF tratadas con FL y AN en la Fundación Valle del Lili, Cali (Colombia) entre 2013-2017. Se excluyeron pacientes con STFF estadio-V de Quintero. Se usó estadística descriptiva. El protocolo fue aprobado por el Comité de Ética de la institución.
Resultados: 32 participantes cumplieron con los criterios de inclusión y de exclusión. La población estuvo constituida por mujeres jóvenes, multíparas. En el 87,5% de los casos se realizó intervención de urgencia. El 43,7% presentaba el estadio-III de Quintero y en el 56,2 % de las gestantes se utilizó anestesia epidural. Las variables hemodinámicas maternas exhibieron un comportamiento similar, acorde al momento de la cirugía y la técnica neuoraxial implementada. El 65,6 % de las gestantes presentó hipotensión sostenida y el 9,3 % desarrolló edema pulmonar. El 65,6 % de las pacientes experimentó parto pretérmino y el 18,7 % ruptura prematura de membranas. Se registraron 14 muertes fetales y cinco neonatales. No se registraron casos de mortalidad materna.
Conclusiones: en pacientes con STFF que requieren FL, el uso de la anestesia epidural, espinal o combinada probablemente se asocia con un comportamiento similar al de las variables hemodinámicas maternas, durante los momentos de la cirugía. Los profesionales que brindan atención a estas gestantes deben estar alerta ante la frecuente aparición de complicaciones maternas, fetales y neonatales. Se requieren estudios prospectivos que evalúen la seguridad y la efectividad de las diferentes técnicas de anestesia neuroaxial en pacientes con STFF.
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Abstract
Twin to twin transfusion syndrome (TTTS) is a common complication that typically presents in the second trimester of pregnancy in 10-15% of monochorionic twins due to net transfer of volume and hormonal substances from one twin to the other across vascular anastomoses on the placenta. Without recognition and treatment, TTTS is the greatest contributor to fetal loss prior to viability in 90-100% of advanced cases. Ultrasound diagnosis of monochorionicity is most reliable in the first trimester and sets the monitoring strategy for this type of twins. The diagnosis of TTTS is made by ultrasound with the findings of polyhydramnios due to volume overload and polyuria in one twin and oligohydramnios due to oliguria of the co-twin. Assessment of bladder filling as well as arterial and venous Doppler patterns are required for staging disease severity. Assessment of fetal cardiac function also provides additional insight into the fetal cardiovascular impacts of the disease as well as help identify fetuses that may require postnatal follow up. Fetoscopic laser ablation of the communicating vascular anastomoses between the twins is the standard treatment for TTTS. It aims to cure the condition by interrupting the link between their circulations and making them independent of one another. Contemporary outcome data after laser surgery suggests survival for both fetuses can be anticipated in up to 65% of cases and survival of a single fetus in up to 88% of cases. However, preterm birth remains a significant contributor to postnatal morbidity and mortality. Long term outcomes of TTTS survivors indicate that up to 11% of children may show signs of neurologic impairment. Strategies to minimize preterm birth after treatment and standardized reporting by laser centers are important considerations to improve overall outcomes and understand the long-term impacts of TTTS.
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Affiliation(s)
- Jena L Miller
- The Johns Hopkins Center for Fetal Therapy, Department of Gynecology and Obstetrics, Johns Hopkins University, Baltimore, MD, USA
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Pajno C, D'Ambrosio V, D'Alisa R, DI Mascio D, Vena F, Corno S, Spiniello L, Martinino A, Manicone F, Muzii L, Brunelli R, Giancotti A. Fetoscopic laser ablation in twin-to-twin transfusion syndrome: tips for counselling. Minerva Obstet Gynecol 2021; 73:247-252. [PMID: 33851804 DOI: 10.23736/s2724-606x.20.04714-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Twin-to-twin transfusion syndrome (TTTS) is a serious complication that affects approximately 10-15% of monochorionic twin pregnancies. The most important role for the development of this condition is the presence of an unbalanced flow through the inter-twin vascular anastomoses. Depending on the number, type and direction of the connecting vessels, blood can be transfused disproportionately from one twin (the donor) to the other twin (the recipient). The diagnosis is defined prenatally by ultrasound and involves of two main criteria: the presence of a monochorionic diamniotic (MCDA) pregnancy; and the presence of oligohydramnios in the donor's sac- deep vertical pocket (DVP) 2 cm - and polyhydramnios in the recipient's sac- DVP>8 cm. Once diagnosed, TTTS is usually graded by using the Quintero staging system, that is composed by five stages, from oligohydramnios in the donor and polyhydramnios in the recipient twin to fetal demise in one or both twins. Photocoagulation of the anastomotic vessels, usually followed by equatorial dichorionization, it has currently become the most common fetoscopic operation today and is considered as the gold standard for stage II-IV TTTS. pPROM, chorioamniotic separation and iatrogenic preterm birth are among the most common complications of fetoscopic laser ablation, and the mean gestational age at delivery after laser procedure is about 31 weeks.
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Affiliation(s)
- Cristina Pajno
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Valentina D'Ambrosio
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy -
| | - Rossella D'Alisa
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Daniele DI Mascio
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Flaminia Vena
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Sara Corno
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Lorenzo Spiniello
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Alessandro Martinino
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Francesca Manicone
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Ludovico Muzii
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Roberto Brunelli
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Antonella Giancotti
- Department of Maternal and Child Health and Urological Sciences, Sapienza University of Rome, Rome, Italy
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Liu HL, Huang S, Wang X, Qi HB, Li JN, Zhang L. The role of umbilical artery velocities in the clinical assessment of twin-twin transfusion syndrome at stage. Int J Gynaecol Obstet 2021; 155:518-523. [PMID: 33423303 DOI: 10.1002/ijgo.13590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 11/17/2020] [Accepted: 01/07/2021] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To analyze the discordances of the umbilical artery velocities between pregnancies with twin-twin transfusion syndrome (TTTS) at stage I and those with normal monochorionic-diamniotic (MCDA) twins, and investigate the value of their discordances in predicting TTTS at stage I. METHODS We recruited 58 twin pregnancies with TTTS at stage I and 60 normal MCDA twin pregnancies in a tertiary referral center retrospectively. The umbilical artery velocities and their discordances were compared between the normal and TTTS twins. RESULTS The discordances of umbilical artery mean diastolic velocity (UA-MDV), umbilical artery time-averaged maximum velocity (UA-TAmax), umbilical artery peak systolic velocity (UA-PSV), and umbilical artery end-diastolic velocity (UA-EDV) were higher in the TTTS group than in the normal group. In TTTS co-twins, the UA-MDV, UA-TAmax, UA-PSV, and UA-EDV in recipients were higher than those in donors. The discordances of UA-TAmax and UA-PSV were found to be independent predicting factors for TTTS at stage I. CONCLUSION Co-twin umbilical artery velocity discordances were significantly associated with stage I TTTS. The results suggest that UA-TAmax and UA-PSV might be new parameters for predicting TTTS at stage I.
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Affiliation(s)
- Hong-Li Liu
- Department of Obstetrics and Fetal Medicine Unit, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
| | - Shuai Huang
- Department of Obstetrics and Fetal Medicine Unit, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
| | - Xing Wang
- Department of Obstetrics and Fetal Medicine Unit, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
| | - Hong-Bo Qi
- Department of Obstetrics and Fetal Medicine Unit, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
| | - Jun-Nan Li
- Department of Obstetrics and Fetal Medicine Unit, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
| | - Lan Zhang
- Department of Obstetrics and Fetal Medicine Unit, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
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12
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Gabby LC, Chon AH, Korst LM, Llanes A, Miller DA, Chmait RH. Survival Outcomes by Fetal Weight Discordance after Laser Surgery for Twin-Twin Transfusion Syndrome Complicated by Donor Fetal Growth Restriction. Fetal Diagn Ther 2020; 47:800-809. [PMID: 32739914 DOI: 10.1159/000509032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 05/26/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Management options for treatment of twin-twin transfusion syndrome (TTTS) with severe donor intrauterine growth restriction (IUGR) include fetoscopic laser surgery and umbilical cord occlusion (UCO). We studied perinatal survival outcomes in this select group after laser surgery, stratifying patients by preoperative estimated fetal weight (EFW) discordance. METHODS In this retrospective study of monochorionic diamniotic twin gestations with TTTS and selective donor IUGR who underwent laser surgery (2006-2017), preoperative EFW discordance was calculated ([(larger twin - smaller twin)/(larger twin)] × 100) and cases were divided into discordance strata. Severe EFW discordance was defined as >35%. The primary outcome was 30-day donor twin neonatal survival. RESULTS The 371 cases were distributed by discordance strata: ≤20% (74 [19.9%]), 21-25% (49 [13.2%]), 26-30% (68 [18.3%]), 31-35% (53 [14.3%]), 36-40% (51 [13.7%]), 41-45% (38 [10.2%]), >45% (38 [10.2%]). Donor 30-day survival declined as the discordance strata increased: 86.5, 85.7, 83.8, 75.5, 64.7, 63.2, and 65.8% (p = 0.0046); 30-day survival was inversely associated with severe discordance (>35%) (64.6 vs. 83.2%, p < 0.0001). DISCUSSION In TTTS cases complicated by donor IUGR with severe growth discordance, laser surgery was associated with donor survivorship greater than 60% suggesting that, in this setting, laser surgery remains a reasonable alternative treatment to UCO.
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Affiliation(s)
- Lauryn C Gabby
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Andrew H Chon
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Lisa M Korst
- Childbirth Research Associates, North Hollywood, California, USA
| | - Arlyn Llanes
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - David A Miller
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Ramen H Chmait
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,
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13
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Shiro M, Yamamoto R, Ichikawa C, Nakanishi K, Kawaguchi H, Hayashi S, Takeuchi M, Ishii K. Placental histopathological features of fetoscopic laser photocoagulation for monoaminotic diamniotic twin pregnancies. Placenta 2020; 100:159-163. [PMID: 32980047 DOI: 10.1016/j.placenta.2020.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/08/2020] [Accepted: 07/06/2020] [Indexed: 11/24/2022]
Abstract
INTRODUCTION This study aimed to compare the histopathological placental features of monochorionic diamniotic (MCDA) twins who did and did not undergo fetoscopic laser photocoagulation (FLP). METHODS This was a retrospective single-institution cohort study on MCDA twins who underwent FLP between October 2010 and December 2018. The control group included MCDA twins who did not undergo FLP and were delivered during the same period in the institute. The incidence of chorioamnionitis (CAM), funisitis, and other pathological findings was compared between the FLP and control groups after matching by gestational age at delivery. RESULTS In total, 292 MCDA pregnant women who underwent FLP and 356 controls gave birth during the study period. After matching the two groups in the ratio 1:1 by gestational age at delivery, each group comprised 194 subjects. The incidence of histological CAM with Blanc association (stage I, 6.2% vs. 3.1%, crude odds ratio (cOR) = 3.1, P = 0.052; stage II, 7.2% vs. 5.7%, cOR = 1.6, P = 0.30; stage III, 2.1% vs. 2.6%, cOR = 0.66, P = 0.52) and funisitis (artery, 5.2% vs. 3.6%, cOR = 1.3, P = 0.63; vein 7.2% vs. 4.1%, cOR = 1.6, P = 0.29) was not statistically significant difference between the FLP and control groups. The FLP group demonstrated a higher incidence of partial placental infarction than the control group (10.3% vs. 3.1%, cOR = 4.3, P = 0.004, adjusted OR = 2.8, P = 0.031). DISCUSSION FLP did not appear to increase the incidence of histological CAM or funisitis in subjects matched by gestational age at delivery. The FLP group demonstrated a higher incidence of partial placental infarction than the control group.
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Affiliation(s)
- Michihisa Shiro
- Department of Maternal Fetal Medicine, Osaka Women's and Children's Hospital, 840, Murodo, Izumi, Osaka, 594-1101, Japan
| | - Ryo Yamamoto
- Department of Maternal Fetal Medicine, Osaka Women's and Children's Hospital, 840, Murodo, Izumi, Osaka, 594-1101, Japan
| | - Chihiro Ichikawa
- Department of Pathology, Osaka Women's and Children's Hospital, 840, Murodo, Izumi, Osaka, 594-1101, Japan
| | - Kentaro Nakanishi
- Department of Maternal Fetal Medicine, Osaka Women's and Children's Hospital, 840, Murodo, Izumi, Osaka, 594-1101, Japan
| | - Haruna Kawaguchi
- Department of Maternal Fetal Medicine, Osaka Women's and Children's Hospital, 840, Murodo, Izumi, Osaka, 594-1101, Japan
| | - Shusaku Hayashi
- Department of Maternal Fetal Medicine, Osaka Women's and Children's Hospital, 840, Murodo, Izumi, Osaka, 594-1101, Japan
| | - Makoto Takeuchi
- Department of Pathology, Osaka Women's and Children's Hospital, 840, Murodo, Izumi, Osaka, 594-1101, Japan
| | - Keisuke Ishii
- Department of Maternal Fetal Medicine, Osaka Women's and Children's Hospital, 840, Murodo, Izumi, Osaka, 594-1101, Japan.
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Amniodrainage-Induced Circulatory Dysfunction in Women Treated for Twin-To-Twin Transfusion Syndrome. J Clin Med 2020; 9:jcm9072085. [PMID: 32630792 PMCID: PMC7408784 DOI: 10.3390/jcm9072085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 06/17/2020] [Accepted: 07/01/2020] [Indexed: 11/16/2022] Open
Abstract
Twin-to-twin transfusion syndrome (TTTS) in monochorionic-diamniotic twin pregnancies usually requires fetoscopic laser ablation (FLA) followed by amniodrainage (AD). Perioperative maternal hemodynamic changes and hemodilution have been observed. Little is known about the underlying pathophysiology. We aimed to evaluate the impact of high volume amniodrainage on intrauterine pressure, placental thickness and maternal blood characteristics. A total of 18 cases of TTTS were included in this prospective pilot study. All patients were treated with FLA and subsequent AD. Intrauterine pressure and placental thickness were assessed before, during and after amniodrainage. Maternal hemoglobin, hematocrit and serum albumin were measured at admission and 24 h after the intervention. Amniodrainage led to a decrease in mean intrauterine pressure (from 30.1 ± 8.1 mmHg to 17.6 ± 3.6 mmHg (p < 0.001)) and an increase in mean placental thickness (from 16.8 ± 6.4 mm to 31.83 ± 8.64 mm (p < 0.001)). There was a positive correlation between changes in placental thickness and the amount of amniodrainage during intervention (Pearson's Rho 0.73; p = 0.001). Hematocrit decreased from 33.4 ± 3.8 (%) to 28.4 ± 3.5 (%), i.e., an increase in relative blood volume by 18 ± 10.2% (p < 0.001). Albumin decreased from 37.9 ± 0.9 g/L to 30.7 ± 2.2 g/L, i.e., an increase in relative plasma volume by 24 ± 8.1% (p < 0.001). Amniodrainage leads to uterine decompression, increased placental thickness and subsequent maternal hemodilution. We propose the term "amniodrainage-induced circulatory dysfunction" for these specific maternal hemodynamic changes in the treatment of twin-to-twin transfusion syndrome.
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15
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Shaw CJ, Rivens I, Civale J, Botting KJ, Allison BJ, Brain KL, Niu Y, Ter Haar G, Giussani DA, Lees CC. Maternal and fetal cardiometabolic recovery following ultrasound-guided high-intensity focused ultrasound placental vascular occlusion. J R Soc Interface 2020; 16:20190013. [PMID: 31039691 PMCID: PMC6544891 DOI: 10.1098/rsif.2019.0013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
High-intensity focused ultrasound (HIFU) is a non-invasive method of selective placental vascular occlusion, providing a potential therapy for conditions such as twin–twin transfusion syndrome. In order to translate this technique into human studies, evidence of prolonged fetal recovery and maintenance of a healthy fetal physiology following exposure to HIFU is essential. At 116 ± 2 days gestation, 12 pregnant ewes were assigned to control (n = 6) or HIFU vascular occlusion (n = 6) groups and anaesthetized. Placental blood vessels were identified using colour Doppler ultrasound; HIFU-mediated vascular occlusion was performed through intact maternal skin (1.66 MHz, 5 s duration, in situ ISPTA 1.8–3.9 kW cm−2). Unidentifiable colour Doppler signals in targeted vessels following HIFU exposure denoted successful occlusion. Ewes and fetuses were then surgically instrumented with vascular catheters and transonic flow probes and recovered from anaesthesia. A custom-made wireless data acquisition system, which records continuous maternal and fetal cardiovascular data, and daily blood sampling were used to assess wellbeing for 20 days, followed by post-mortem examination. Based on a comparison of pre- and post-treatment colour Doppler imaging, 100% (36/36) of placental vessels were occluded following HIFU, and occlusion persisted for 20 days. All fetuses survived. No differences in maternal or fetal blood pressure, heart rate, heart rate variability, metabolic status or oxygenation were observed between treatment groups. There was evidence of normal fetal maturation and no evidence of chronic fetal stress. There were no maternal injuries and no placental vascular haemorrhage. There was both a uterine and fetal burn, which did not result in any obstetric or fetal complications. This study demonstrates normal long-term recovery of fetal sheep from exposure to HIFU-mediated placental vascular occlusion and underlines the potential of HIFU as a potential non-invasive therapy in human pregnancy.
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Affiliation(s)
- Caroline J Shaw
- 1 Department of Physiology, Development and Neuroscience, University of Cambridge , Cambridge CB2 3EG , UK.,2 Institute of Reproductive and Developmental Biology, Imperial College London , London W12 0HS , UK
| | - Ian Rivens
- 3 Joint Department of Physics, Institute of Cancer Research , Sutton SM2 5NG , UK
| | - John Civale
- 3 Joint Department of Physics, Institute of Cancer Research , Sutton SM2 5NG , UK
| | - Kimberley J Botting
- 1 Department of Physiology, Development and Neuroscience, University of Cambridge , Cambridge CB2 3EG , UK.,4 Cardiovascular Strategic Research Initiative, University of Cambridge , Cambridge , UK
| | - Beth J Allison
- 1 Department of Physiology, Development and Neuroscience, University of Cambridge , Cambridge CB2 3EG , UK
| | - Kirsty L Brain
- 1 Department of Physiology, Development and Neuroscience, University of Cambridge , Cambridge CB2 3EG , UK
| | - Y Niu
- 1 Department of Physiology, Development and Neuroscience, University of Cambridge , Cambridge CB2 3EG , UK.,4 Cardiovascular Strategic Research Initiative, University of Cambridge , Cambridge , UK
| | - Gail Ter Haar
- 3 Joint Department of Physics, Institute of Cancer Research , Sutton SM2 5NG , UK
| | - Dino A Giussani
- 1 Department of Physiology, Development and Neuroscience, University of Cambridge , Cambridge CB2 3EG , UK.,4 Cardiovascular Strategic Research Initiative, University of Cambridge , Cambridge , UK
| | - Christoph C Lees
- 2 Institute of Reproductive and Developmental Biology, Imperial College London , London W12 0HS , UK.,5 Department of Obstetrics and Gynaecology, University Hospitals Leuven , 3000 Leuven , Belgium
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16
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Renal functional markers in extremely premature infants with and without twin-twin transfusion syndrome. J Perinatol 2020; 40:256-262. [PMID: 31616050 DOI: 10.1038/s41372-019-0524-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 09/25/2019] [Accepted: 09/27/2019] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Describe renal function of preterm infants <29 weeks of gestational age (GA) with twin-twin transfusion syndrome (TTTS) who received laser therapy. DESIGN Retrospective analysis of premature TTTS compared with dichorionic-diamniotic (di-di) twins from 2006 to 2015. Primary outcome was biomarkers of renal injury. RESULTS Thirty-three TTTS-laser and 101 di-di newborns with similar GA at birth (26.4 ± 1.4 vs 26.9 ± 1.6 weeks, p = 0.07) were included. Creatinine and urea levels were higher in TTTS-laser group at day of life (DOL) 2-7 (123.5 ± 12.4 vs 75.8 ± 2 μmol/L, p = 0.0001 and 11.9 ± 1.1 mmol/L vs 8.7 ± 0.3 mmol/L, p = 0.0001) and DOL 8-14, (98.1 ± 14.2 vs 64.8 ± 2.3 μmol/L, p = 0.0001 and 9.1 ± 1.2 vs 5.4 ± 0.3 mmol/L, p = 0.0001). There was a significant effect of TTTS status on creatinine level at DOL 8-14. CONCLUSION In extremely preterm with TTTS treated by laser, biomarkers of renal function were higher compared with di-di twins in the first 2 weeks of life.
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17
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Spruijt MS, Lopriore E, J Steggerda S, Slaghekke F, Van Klink JMM. Twin-twin transfusion syndrome in the era of fetoscopic laser surgery: antenatal management, neonatal outcome and beyond. Expert Rev Hematol 2020; 13:259-267. [PMID: 31971028 DOI: 10.1080/17474086.2020.1720643] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Introduction: Twin-twin transfusion syndrome (TTTS) is a devastating complication of monochorionic twin pregnancy and remains a major challenge for worldwide fetal medicine specialists. In TTTS, intertwin transfusion through vascular anastomoses in the shared placenta leads to severe hemodynamic imbalance. This review summarizes the current knowledge of TTTS.Areas covered: The most recent insights concerning the management of TTTS, as well as fetal and neonatal complications are described. Relevant articles were selected based on a Pubmed search using the keywords below. Understanding of the underlying pathophysiology has improved greatly as a result of placental injection studies. Advancements in antenatal management have led to increased perinatal survival and a decreased incidence of neonatal complications, including brain injury and neurodevelopmental impairment.Expert opinion: Further opportunities for improvement comprise technological innovations in laser procedures and the prevention of preterm rupture of membranes with subsequent prematurity. A noninvasive treatment such as high-intensity focused ultrasound (HIFU) seems to hold promise for the future treatment of TTTS. Fetal MRI studies are important to improve our understanding of fetal brain injury and should relate their findings to long-term neurodevelopment. International collaboration and centralization of care are of paramount importance to ensure the best care for our patients.
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Affiliation(s)
- Marjolijn S Spruijt
- Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Enrico Lopriore
- Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Sylke J Steggerda
- Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Femke Slaghekke
- Department of Obstetrics, Division of Fetal Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Jeanine M M Van Klink
- Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, Leiden, The Netherlands
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18
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Chang YL, Chao AS, Chang SD, Wang TH, Cheng PJ. The outcomes of transient elevation of maternal liver enzymes preceding laser treatment for twin-twin transfusion syndrome. Biomed J 2020; 42:417-421. [PMID: 31948606 PMCID: PMC6962711 DOI: 10.1016/j.bj.2019.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 10/17/2018] [Accepted: 05/14/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND A proportion of twin-twin transfusion syndrome (TTTS) patients may have elevated liver enzymes (ELEzs) before fetoscopic laser therapy, but the incidence of ELEzs before laser therapy and the association with the perinatal outcomes after laser therapy remain unclear. METHODS From October 2008 to April 2015, 93 patients with TTTS who received fetoscopic laser therapy at our hospital were included in this study, and aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels were measured within 24 h before therapy. If ELEzs (AST > 34 U/L or ALT > 36 U/L) were observed before therapy, the AST and ALT levels were evaluated within 24 h after therapy. The pre-operative characteristics and post-therapy outcomes were compared between patients with and without ELEzs. RESULTS Among 93 TTTS patients before laser operation, 18 patients (were found with ELEzs (19.4%) before laser therapy. In 17 (94.4%) of the 18 cases, their liver enzymes values dropped after laser surgery. Maternal body mass index, age, gestational age of laser therapy, hemoglobin level before laser therapy and survival rates after laser therapy were not significantly different between TTTS with and without ELEzs. The maternal hemoglobin dropped significantly from 10.8 [1.6] g/dL before surgery to 9.6 [1.5] g/dL after laser therapy in TTTS with ELEzs (p < 0.001). CONCLUSION An elevated liver enzyme was not associated with poor perinatal outcomes in patients with TTTS after laser therapy. The authors suspected that the reduced liver enzymes values after laser therapy could partly arise from the hemo-dilution effect.
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Affiliation(s)
- Yao-Lung Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan.
| | - An-Shine Chao
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Shuenn-Dyh Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Tzu-Hao Wang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Po-Jen Cheng
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Mackie FL, Pattison H, Jankovic J, Morris RK, Kilby MD. Parental attachment and depressive symptoms in pregnancies complicated by twin-twin transfusion syndrome: a cohort study. BMC Pregnancy Childbirth 2019; 20:4. [PMID: 31892359 PMCID: PMC6938629 DOI: 10.1186/s12884-019-2679-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 12/15/2019] [Indexed: 12/04/2022] Open
Abstract
Background Twin-twin transfusion syndrome (TTTS) is a highly morbid condition in which treatment exists, but the pregnancy remains high-risk until delivery. It may have serious sequelae, including fetal death, and in the longer term, neurodevelopmental problems. The aim of this study is to assess antenatal and postnatal parental attachment and depressive symptoms in those with pregnancies affected by TTTS. Methods Couples attending for fetoscopic laser ablation treatment of TTTS were asked to complete Condon’s Maternal/Paternal Antenatal/Postnatal Attachment Scale as appropriate, and the Edinburgh Depression Scale the day before ablation, 4 weeks post-ablation, and 6–10 weeks postnatally. Results 25/27 couples completed the pre-ablation questionnaire (median gestational age 19 + 3 weeks [interquartile range 18 + 2–20 + 6]). 8/18 eligible couples returned the post-ablation questionnaire. 5/17 eligible couples returned the postnatal questionnaire. There was no significant difference in parento-fetal attachment when mothers were compared to fathers at each time point, however parento-fetal attachment did increase over time in mothers (p = 0.004), but not fathers. Mothers reported more depressive symptoms antenatally compared to fathers (p < 0.02), but there was no difference postnatally. 50% women reported Edinburgh Depression Scale scores above the cut-off (≥15) 4 weeks post-ablation. Over time maternal depressive symptoms decreased (p = 0.006), however paternal depressive symptoms remained the same. Conclusions This is the first attachment and depression study in a UK cohort of parents with pregnancies affected by TTTS. Although this was a small cohort and the questionnaires used had not been validated in these circumstances, the results suggest that centres caring for these couples should be aware of the risk of maternal and paternal antenatal depression, and screen and refer for additional psychological support. Further work is needed in larger cohorts. Trial registration ISRCTN 13114861 (retrospectively registered).
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Affiliation(s)
- Fiona L Mackie
- Centre for Women's & Children's Health, Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, B15 2TT, UK. .,Birmingham Women's and Children's NHS Foundation Trust, Mindelsohn Way, Edgbaston, B15 2TG, UK.
| | - Helen Pattison
- School of Life and Health Sciences, Aston University, Birmingham, B4 7ET, UK
| | - Jelena Jankovic
- Mother and Baby Unit, Barberry, Birmingham and Solihull Mental Health NHS Foundation Trust, 25 Vincent Drive, Edgbaston, Birmingham, B15 2FG, UK
| | - R Katie Morris
- Centre for Women's & Children's Health, Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, B15 2TT, UK.,Birmingham Women's and Children's NHS Foundation Trust, Mindelsohn Way, Edgbaston, B15 2TG, UK
| | - Mark D Kilby
- Centre for Women's & Children's Health, Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, B15 2TT, UK.,Birmingham Women's and Children's NHS Foundation Trust, Mindelsohn Way, Edgbaston, B15 2TG, UK
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20
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Li WF, Chao AS, Chang SD, Cheng PJ, Yang LY, Chang YL. Effects and outcomes of septostomy in twin-to-twin transfusion syndrome after fetoscopic laser therapy. BMC Pregnancy Childbirth 2019; 19:397. [PMID: 31675920 PMCID: PMC6824012 DOI: 10.1186/s12884-019-2555-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 10/10/2019] [Indexed: 11/17/2022] Open
Abstract
Background To evaluate the incidence and outcomes of septostomy in twin-to-twin transfusion syndrome (TTTS) after fetoscopic laser therapy. Methods A retrospective analysis of TTTS postlaser septostomy between 2005 and 2018 was performed. Postlaser septostomy was diagnosed using both (1) a free-floating intertwin membrane flap visible on ultrasound examination and (2) the rapid equalization of amniotic fluid maximum vertical pocket in the donor and recipient amniotic sacs observed after laser therapy. Perinatal survival, neonatal brain image anomaly, gestational age at operation and birth, incidence of premature rupture of membranes (PROM) within 3 weeks after operation, pseudoamniotic band syndrome, and cord entanglement were evaluated. Results In the 159 TTTS cases included, 12 had postlaser septostomy. Relative to the group without septostomy, the septostomy group had a lower total fetal survival rate (54.2% vs 73.6%, p = 0.041), an earlier mean gestational age at delivery (27.8 vs 34.4 weeks, p = 0.009), a higher risk of PROMs within 3 weeks after operation (33.3% vs 5.4%, p = 0.004), a higher cord entanglement rate (16.7% vs 0%, p = 0.005), and a higher brain image anomaly rate (23.0% [3/13] vs 5.0% [11/218], p = 0.035). After considering the severe Quintero stages (stage III and IV), postlaser septostomy was the only variable [p = 0.003, odds ratio = 5.1] to predict neonatal brain image anomaly. Postlaser septostomy combined with severe Quintero stages could predict PROMs within 3 weeks after laser therapy [p = 0.001, odds ratio = 14.1 and p = 0.03, odds ratio = 5.4, respectively] and delivery before the gestational age of 28 weeks [p = 0.017, odds ratio = 4.5 and p = 0.034, odds ratio = 2.3, respectively]. The risk of pseudoamniotic band syndrome was not increased by postlaser septostomy in this case series. Conclusions Postlaser septostomy in TTTS was associated with poorer fetal survival and more adverse perinatal outcomes even after considering severe Quintero stages before laser therapy. Efforts should be made to prevent septostomy during laser therapy, and septostomy as the primary method to treat TTTS is not advisable.
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Affiliation(s)
- Wen-Fang Li
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan
| | - An-Shine Chao
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan
| | - Shuenn-Dyh Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan
| | - Po-Jen Cheng
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan
| | - Lan-Yan Yang
- Biostatistics Unit of Clinical Trial Center, Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan
| | - Yao-Lung Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan. .,Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou Medical Center, 5, Fu-Shin Street, Kweishan, Taoyuan, 333, Taiwan, Republic of China.
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Mylrea-Foley B, Shaw CJ, Harikumar N, Legg S, Meher S, Lees CC. Early-onset twin-twin transfusion syndrome: Case series and systematic review. Australas J Ultrasound Med 2019; 22:286-294. [PMID: 34760571 DOI: 10.1002/ajum.12176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Introduction Data on the outcomes of early-onset twin-twin transfusion syndrome (TTTS), diagnosed before 18 weeks gestational age (GA), are sparse. We aimed to review the diagnosis, management and outcomes of early-onset TTTS. Material and methods Pregnancy records at a single referral unit 2010-6 were reviewed. In early-onset TTTS cases, data for pregnancy characteristics, interventions and outcomes were collected. PubMed and Scopus databases were searched for studies including pregnant women with early-onset TTTS. The primary outcome measure was livebirths. Results Case series: 58 cases of early-onset TTTS 2010-6, with full outcome data in 44. Diagnostic criteria were variable. Median GA at intervention was 17+4 (range 15+0-28+1); 67% of patients had laser therapy (39/58). Overall survival: 60% (53/88). At least one livebirth: 86% (38/44), Two livebirths: 34% (15/44); No survivors: 14% (6/44). GA at delivery was 32+1.5 (range 16+2-37+4). Systematic review: 16 studies included (n = 171 pregnancies). Diagnostic criteria varied widely: 79% of studies used Quintero staging. Most offered laser (89%) at median 17+0 weeks (range 16+0-21+6). GA at delivery was 23+0-39+5 weeks. Overall survival: 69% (129/186). At least one livebirth: 74% (127/171). Two livebirths: 59% (55/93). No survivors: 26% (44/171). Conclusions In comparison with the commonly accepted overall survival for TTTS treated after 18 weeks of 60-90%, outcomes in early-onset TTTS were at the lower bound of this range. Gestational age at intervention is similar to that of later onset TTTS, indicating a lack of therapeutic options when a diagnosis is made before 18 weeks.
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Affiliation(s)
- Bronacha Mylrea-Foley
- Queen Charlotte's and Chelsea Hospital Imperial College Healthcare NHS Trust London UK
| | - Caroline J Shaw
- Institute of Reproductive and Developmental Biology Imperial College London London W12 0HS UK
| | - Nirupama Harikumar
- Institute of Reproductive and Developmental Biology Imperial College London London W12 0HS UK
| | - Sophie Legg
- Institute of Reproductive and Developmental Biology Imperial College London London W12 0HS UK
| | - Shireen Meher
- Birmingham Women's and Children's NHS Foundation Trust Birmingham UK
| | - Christoph C Lees
- Institute of Reproductive and Developmental Biology Imperial College London London W12 0HS UK.,Department of Development & Regeneration KU Leuven Belgium
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22
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Spruijt MS, Lopriore E, Tan RNGB, Slaghekke F, Klumper FJCM, Middeldorp JM, Haak MC, Oepkes D, Rijken M, van Klink JMM. Long-Term Neurodevelopmental Outcome in Twin-to-Twin Transfusion Syndrome: Is there still Room for Improvement? J Clin Med 2019; 8:jcm8081226. [PMID: 31443258 PMCID: PMC6723379 DOI: 10.3390/jcm8081226] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/02/2019] [Accepted: 08/12/2019] [Indexed: 12/23/2022] Open
Abstract
Despite many developments in its management, twin-to-twin transfusion syndrome (TTTS) remains an important risk factor for long-term neurodevelopmental impairment (NDI). Our objective was to compare the incidence of severe NDI in a recent cohort of TTTS survivors, treated with laser surgery from 2011 to 2014, with a previous cohort treated from 2008 to 2010. Neurological, cognitive, and motor development were assessed at two years of age. We determined risk factors associated with Bayley-III scores. Severe NDI occurred in 7/241 (3%) survivors in the new cohort compared to 10/169 (6%) in the previous cohort (p = 0.189). Disease-free survival (survival without severe impairment) did not significantly differ. Low birth weight and being small for gestational age (SGA) were independently associated with lower cognitive scores (both p < 0.01). Severe cerebral injury was related to decreased motor scores (B = −14.10; 95% CI −3.16, −25.04; p = 0.012). Children with severe NDI were born ≥32 weeks’ gestation in 53% of cases and had no evidence of cerebral injury on cranial ultrasound in 59% of cases. Our results suggest that improvement in outcome of TTTS has reached a plateau. Low birth weight, SGA, and cerebral injury are risk factors for poor neurodevelopmental outcome. Neither gestational age above 32 weeks nor the absence of cerebral injury preclude severe NDI.
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Affiliation(s)
- Marjolijn S Spruijt
- Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, J7-48, Albinusdreef 2, 2333 ZA Leiden, The Netherlands.
| | - Enrico Lopriore
- Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, J7-48, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Ratna N G B Tan
- Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, J7-48, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Femke Slaghekke
- Department of Obstetrics, Division of Fetal Therapy, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Frans J C M Klumper
- Department of Obstetrics, Division of Fetal Therapy, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Johanna M Middeldorp
- Department of Obstetrics, Division of Fetal Therapy, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Monique C Haak
- Department of Obstetrics, Division of Fetal Therapy, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Dick Oepkes
- Department of Obstetrics, Division of Fetal Therapy, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Monique Rijken
- Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, J7-48, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Jeanine M M van Klink
- Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, J7-48, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
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23
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Mackie FL, Baker BC, Beggs AD, Stodolna A, Morris RK, Kilby MD. MicroRNA changes in maternal serum from pregnancies complicated by twin-twin transfusion syndrome: A discovery study. Prenat Diagn 2019; 39:616-634. [PMID: 31077410 PMCID: PMC6771789 DOI: 10.1002/pd.5475] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 03/21/2019] [Accepted: 05/03/2019] [Indexed: 12/12/2022]
Abstract
Objective MicroRNAs (miRNAs) are used as biomarkers in cardiovascular disease and cancer. miRNAs are involved in placental development but have not previously been investigated in twin‐twin transfusion syndrome (TTTS). Our aim is to explore the miRNA profile of TTTS pregnancies. Method Initial miRNA profiling was performed using a reverse transcription polymerase chain reaction (RT‐PCR) panel on maternal serum samples taken from five women prior to fetoscopic laser ablation for TTTS and compared with serum samples from five women with uncomplicated monochorionic diamniotic twin pregnancies. Validation RT‐PCR was performed in an additional cohort of eight TTTS pregnancies and eight uncomplicated pregnancies. Results Median gestational age at sampling in the TTTS and control groups was 20+0 weeks (interquartile range [IQR], 19+4‐20+0) and 20+2 weeks (IQR, 20+0‐20+2), respectively. All samples passed quality control. One control sample was excluded as a biological outlier. Thirty‐one of 752 miRNAs were significantly different: 17 were upregulated and 14 downregulated in the TTTS group, although they did not remain significant following Benjamini‐Hochberg correction for multiple testing. The six miRNAs chosen for validation demonstrated no significant difference. Conclusion This is the first study to investigate miRNA changes in TTTS pregnancies. We did not demonstrate a statistically significant difference in miRNAs in TTTS pregnancies, but further investigation is required.
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Affiliation(s)
- Fiona L Mackie
- Birmingham Women's and Children's NHS Foundation Trust and Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
| | - Bernadette C Baker
- Maternal and Fetal Health Research Centre, University of Manchester, Manchester, UK
| | - Andrew D Beggs
- Institute of Cancer and Genomic Science, University of Birmingham, Birmingham, UK
| | - Agata Stodolna
- Institute of Cancer and Genomic Science, University of Birmingham, Birmingham, UK
| | - Rachel Katie Morris
- Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust and Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
| | - Mark D Kilby
- Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust and Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
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24
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Maternal Complications and Hemodynamic Changes Following Intrauterine Interventions for Twin-to-Twin Transfusion Syndrome in Monochorionic Diamniotic Twin Pregnancies. J Clin Med 2019; 8:jcm8050605. [PMID: 31052564 PMCID: PMC6572341 DOI: 10.3390/jcm8050605] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 04/16/2019] [Accepted: 04/28/2019] [Indexed: 11/17/2022] Open
Abstract
Twin-to-twin transfusion syndrome (TTTS) is a challenging complication in monochorionic diamniotic (MCDA) twins. Intrauterine interventions, such as fetoscopic laser ablation and cord occlusion followed by amniodrainage, are established treatments. Little is known about maternal complications and hemodynamics following these interventions. We performed a retrospective analysis of maternal procedure-related complications and the impact of such procedures on maternal hemodynamics and blood characteristics. Within the study period, 100 women with severe TTTS treated by fetoscopic laser ablation (FLA) or cord occlusion (CO) were identified. Clinically relevant maternal complications were reported in four (4%) cases. There was a significant decrease in hemoglobin, hematocrit, and albumin between admission and postoperative measurements (all p < 0.001). Systolic and diastolic blood pressure, as well as maternal heart rate, decreased from time of skin suture to postoperative measurements (all p < 0.001). Within a 24 h interval, there was a positive correlation between hematocrit (Spearman's rho 0.325; p = 0.003), hemoglobin (Spearman's rho 0.379; p < 0.001), and albumin (Spearman's rho 0.360; p = 0.027), and the amount of amniodrainage during the intervention. Maternal procedure-related complications are relatively rare. Significant hemodynamic alterations and maternal hemodilution are common clinical findings following intrauterine interventions.
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25
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Chang YL, Chao AS, Chang SD, Li WF, Cheng PJ. Predisposing factors and neonatal outcomes for twin-twin transfusion syndrome cases developing transient donor hydrops after fetoscopic laser coagulation: a case control study. BMC Pregnancy Childbirth 2019; 19:87. [PMID: 30871491 PMCID: PMC6419449 DOI: 10.1186/s12884-019-2236-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 03/05/2019] [Indexed: 11/10/2022] Open
Abstract
Background Transient donor hydrops (TDH) is defined as donor hydrops developed within days after laser therapy for twin–twin transfusion syndrome (TTTS) followed by resolution later. The purpose of this study was to evaluate the incidence, neonatal outcomes and predisposing factors of post laser therapy TDH in severe TTTS. Methods A total of 142 patients with severe TTTS who received laser therapy were included into this study. The pre-operative characteristics and neonatal outcomes were compared between TTTS with and without post laser therapy TDH. All live neonates received cranial ultrasound examination after delivery, mild cerebral injury was defined as exhibiting at least one of the following: intraventricular hemorrhage (IVH) grade I and II, lenticulostriate vasculopathy and subependymal pseudocysts; severe cerebral injury comprised at least one among the following: IVH grade III or grade IV, cystic periventriculoleukomalacia (PVL) grade II or more, porencephalic cysts, and ventricular dilatation. Fetal survival was defined as living more than 30 days after delivery. Results
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Affiliation(s)
- Yao-Lung Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan. .,Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou Medical Center, 5, Fu-Shin Street, Kweishan, Taoyuan, Taiwan, Republic of China, 333.
| | - An-Shine Chao
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan
| | - Shuenn-Dyh Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan
| | - Wen-Fang Li
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan
| | - Po-Jen Cheng
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan
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26
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Monaghan C, Kalafat E, Binder J, Thilaganathan B, Khalil A. Prediction of adverse pregnancy outcome in monochorionic diamniotic twin pregnancy complicated by selective fetal growth restriction. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2019; 53:200-207. [PMID: 29704280 DOI: 10.1002/uog.19078] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 04/10/2018] [Accepted: 04/10/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVE To identify key factors associated with adverse perinatal outcome in monochorionic diamniotic twin pregnancy complicated by selective fetal growth restriction (sFGR). METHODS This was a retrospective cohort study of all monochorionic diamniotic twin pregnancies diagnosed with sFGR at ≥ 16 weeks' gestation, in a single tertiary referral center between March 2000 and May 2015. The presence of coexisting twin-twin transfusion syndrome (TTTS) was noted. Fetal biometry and Doppler indices, including those of the umbilical artery (UA) and ductus venosus (DV), were recorded at the time of diagnosis. The type of sFGR was diagnosed according to the pattern of end-diastolic flow in the UA of the smaller twin. DV pulsatility indices for veins (DV-PIV) were converted to Z-scores and estimated fetal weight values to centiles, to correct for gestational age (GA). Cox proportional hazards model was used to examine for independent predictors of adverse perinatal outcome, which was defined according to survival and included both intrauterine fetal demise and neonatal death of the FGR twin. RESULTS We analyzed 104 pregnancies, of which 66 (63.5%) were diagnosed with Type-I and 38 (36.5%) with Type-II sFGR at initial presentation. In pregnancies complicated by Type-II sFGR, the diagnosis of sFGR was made earlier than in those complicated by Type-I sFGR (mediam GA, 19.6 vs 21.5 weeks; P = 0.012), and Type-II sFGR was associated with increased risk of adverse perinatal outcome (intrauterine demise of the smaller twin, 34.2% vs 10.6%; P = 0.004). Twin pregnancies complicated by sFGR resulting in perinatal demise had a significantly earlier diagnosis (P = 0.002) and lower birth-weight centile of the smaller twin (P < 0.01), those with Type-I sFGR had earlier GA at delivery (P = 0.007) and those with Type-II sFGR had higher DV-PIV Z-score of the smaller twin (P = 0.003), when compared with pregnancies resulting in live birth. Coexisting TTTS had no significant impact on the perinatal outcome of pregnancies diagnosed with either Type-I or Type-II sFGR (P > 0.05 for both). Earlier GA at diagnosis (hazard ratio (HR), 0.70 (95% CI, 0.56-0.88); P = 0.002), Type-II sFGR (HR, 3.53 (95% CI, 1.37-9.07); P = 0.008) and higher DV-PIV Z-score (HR, 1.36 (95% CI, 1.12-1.65); P = 0.001) were significantly associated with increased risk of adverse perinatal outcome of the smaller twin. CONCLUSIONS Pregnancies complicated by Type-II sFGR are diagnosed significantly earlier and are associated with increased risk of adverse perinatal outcome compared with those with Type-I sFGR. Coexisting TTTS has no significant impact on the perinatal outcome of pregnancies diagnosed with either Type-I or Type-II sFGR. Earlier GA at diagnosis, Type-II sFGR and higher DV-PIV Z-score are associated significantly with increased risk of adverse perinatal outcome of the smaller twin. Copyright © 2018 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- C Monaghan
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
| | - E Kalafat
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
- Ankara University, Faculty of Medicine, Department of Obstetrics and Gynecology, Ankara, Turkey
| | - J Binder
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
| | - B Thilaganathan
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
- Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, UK
| | - A Khalil
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
- Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, UK
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27
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Khalil A. Unprecedented fall in stillbirth and neonatal death in twins: lessons from the UK. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2019; 53:153-157. [PMID: 30152183 DOI: 10.1002/uog.20107] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Accepted: 08/22/2018] [Indexed: 06/08/2023]
Affiliation(s)
- A Khalil
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
- Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, UK
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28
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Tan LN, Cheung KW, Philip I, Ong S, Kilby MD. Isolated Ascites in a Monochorionic Twin after Fetoscopic Laser Ablation Is Not Necessarily Secondary to Recurrence or Anaemia: Bowel Complications in Twin-to-Twin Transfusion Syndrome after Fetoscopic Laser Ablation. Fetal Diagn Ther 2018; 45:285-294. [PMID: 30554214 DOI: 10.1159/000494616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 10/17/2018] [Indexed: 11/19/2022]
Abstract
BACKGROUND/PURPOSE We report a case study of jejunal atresia and the results of a systematic literature review of all reported cases of bowel complications occurring after fetoscopic laser ablation (FLA) for the treatment of twin-to-twin transfusion syndrome (TTTS). METHODS A systematic literature review was performed of bowel complications after FLA for TTTS according to PRISMA guidelines. RESULTS There are 11 published cases of small bowel atresia, 5 cases of necrotising enterocolitis (NEC), and 2 cases with foetal bowel perforations. Recipient twins were more likely to be affected by small bowel atresia (7 recipient and 4 donor cases) and NEC (3 recipient and 2 donor twins). Prenatal ultrasonographic abnormalities were demonstrated in 7 out of 9 cases with bowel atresia and in both cases of bowel perforation. The overall survival rate for neonates with bowel complications after FLA is 72%, but is much lower for co-twins at 22%. The survival rates for jejunoileal atresia and NEC are 91 and 40%, respectively. CONCLUSIONS It is uncertain as to whether these bowel anomalies are due to bowel ischaemia associated with TTTS, the treatment with FLA, or a combination of both. Cases with prenatal abdominal ultrasonographic abnormalities after FLA should have close prenatal and postnatal assessment to detect bowel complications.
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Affiliation(s)
- Lee Na Tan
- Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, United Kingdom, .,Department of Obstetrics and Gynaecology, Hospital Raja Permaisuri Bainun, Ipoh, Malaysia,
| | - Ka Wang Cheung
- Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, United Kingdom.,Department of Obstetrics and Gynaecology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, Hong Kong
| | - Isaac Philip
- Department of Paediatric Surgery, Royal Belfast Hospital for Sick Children, Northern Ireland, Belfast, United Kingdom
| | - Stephen Ong
- Department of Obstetrics and Gynaecology, Royal Jubilee Maternity Hospital, Belfast, United Kingdom
| | - Mark David Kilby
- Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, United Kingdom.,Institute of Metabolism and System Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, United Kingdom
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29
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Washburn EE, Sparks TN, Gosnell KA, Rand L, Gonzalez JM, Feldstein VA. Stage I Twin-Twin Transfusion Syndrome: Outcomes of Expectant Management and Prognostic Features. Am J Perinatol 2018; 35. [PMID: 29528469 PMCID: PMC6082735 DOI: 10.1055/s-0038-1627095] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE This article describes the natural history of stage I twin-twin transfusion syndrome (TTTS) including risk of progression to higher stage TTTS and pregnancy outcomes, and to identify risk factors for progression. STUDY DESIGN Retrospective cohort study of monochorionic diamniotic (MCDA) twin pregnancies from 2006 to 2016 with expectantly managed Quintero stage I TTTS. RESULTS A total of 30 MCDA twin pregnancies with expectantly managed stage I TTTS were identified. Of these, eight (26.7%) progressed to higher stage TTTS. Median gestational age (GA) at diagnosis for those that progressed was 18.9 ± 2.9 weeks versus 21.4 ± 3.4 weeks in those that remained stable (p = 0.06). Presence of an arterioarterial (A-A) anastomosis was assessed for 20/30 patients, and eight A-A were identified. Of those, 7/8 (87.5%) remained stable. In the complete cohort, a tiny or transiently visible bladder was noted in seven donor twins. Of these, 4/7 (57.1%) progressed. Excluding one termination, 47/58 (81.0%) fetuses survived. CONCLUSION With expectant management of stage I TTTS, nearly three-fourths of pregnancies remain stable and most have survival of ≥ 1 twin. A-A anastomoses were not associated with progression to higher stage TTTS, whereas earlier GA at diagnosis or a small or intermittently visible donor bladder may herald greater risk of progression.
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Affiliation(s)
- Erin E. Washburn
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco, San Francisco, California
| | - Teresa N. Sparks
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco, San Francisco, California
| | - Kristen A. Gosnell
- Fetal Treatment Center, University of California San Francisco, San Francisco, California
| | - Larry Rand
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco, San Francisco, California,Fetal Treatment Center, University of California San Francisco, San Francisco, California
| | - Juan M. Gonzalez
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco, San Francisco, California,Fetal Treatment Center, University of California San Francisco, San Francisco, California
| | - Vickie A. Feldstein
- Fetal Treatment Center, University of California San Francisco, San Francisco, California,Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
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30
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Miralles-Gutiérrez A, Narbona-Arias I, González-Mesa E. Neurological complications after therapy for fetal-fetal transfusion syndrome: a systematic review of the outcomes at 24 months. J Perinat Med 2018; 46:991-997. [PMID: 28961141 DOI: 10.1515/jpm-2017-0217] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Accepted: 08/31/2017] [Indexed: 11/15/2022]
Abstract
OBJECTIVE The main objective of this study was to review the available scientific evidence about mid-term neurological outcomes in twins after laser therapy for twin-to-twin transfusion syndrome (TTTS). METHODS A systematic review of studies on neurodevelopmental outcomes (cognition, motor development, communication skills and cerebral palsy) of twins after laser therapy for TTTS was conducted. Outcomes at 24 months of age and the use of validated scales for assessment were the selected criteria. Electronic and manual research identified 25 studies, and nine of them were eligible for the review. RESULTS The global mean rate of neurological injury in twins treated with laser was 14.07%. The mean rate of cognitive impairment was 8.41%, 11.14% for motor delay, 16.5% for communication delay and 5.73% for cerebral palsy. These rates were higher than the results found in dichorionic twins, but lower than the results found in twins treated with amnio-reductions or conservative management. CONCLUSION Laser therapy is associated with a lower rate of neurological injury at 24 months of age compared to other therapeutic techniques. This tendency was also observed with specific incidences regarding cognition, motor skills and cerebral palsy.
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Affiliation(s)
- Ana Miralles-Gutiérrez
- Department of Obstetrics and Gynecology, School of Medicine, Málaga University, Málaga, Spain
| | - Isidoro Narbona-Arias
- Department of Obstetrics and Gynecology, Regional University Hospital, Málaga, Spain
| | - Ernesto González-Mesa
- Department of Obstetrics and Gyncecology, School of Medicine, Regional University Hospital, Málaga University, 32, Boulevard Louis Pasteur, 29010, Málaga, Spain
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31
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Sommer J, Nuyt AM, Audibert F, Dorval V, Wavrant S, Altit G, Lapointe A. Outcomes of extremely premature infants with twin-twin transfusion syndrome treated by laser therapy. J Perinatol 2018; 38:1548-1555. [PMID: 30177860 DOI: 10.1038/s41372-018-0202-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 07/03/2018] [Accepted: 07/17/2018] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To compare short-term and long-term outcomes of preterm infants born at <29 weeks of gestational age (GA) with twin-twin transfusion syndrome (TTTS) treated with laser therapy to preterm twin infants without TTTS. DESIGN Retrospective case-control study comparing 33 preterm TTTS twins to 101 preterm diamniotic-dichorionic (di-di) twins born at our institution between 2006 and 2015. RESULTS GA at birth were 26.4 ± 1.4 weeks (TTTS) and 26.9 ± 1.6 weeks (di-di) (p = 0.07). TTTS premature newborns were less exposed to antenatal steroids (p = 0.01), more frequently born by C-section (p = 0.005), received more surfactant therapy (p = 0.004, and were smaller for GA (p < 0.001). When adjusted for antenatal steroids and birth weight, TTTS status was not associated with increased mortality (HR 1.66, 95% CI 0.77-3.56, p = 0.20). No differences were found on neurodevelopmental outcomes at 18 months of corrected GA. CONCLUSION Premature TTTS newborns treated with fetal laser therapy had similar survival and neurodevelopmental outcomes compared to preterm di-di twins without TTTS.
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Affiliation(s)
- Julie Sommer
- Department of Pediatrics, Division of Neonatology, CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada
| | - Anne-Monique Nuyt
- Department of Pediatrics, Division of Neonatology, CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada
| | - François Audibert
- Department of Obstretrics and Gynecology, CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada
| | - Véronique Dorval
- Department of Pediatrics, Division of Neonatology, CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada
| | - Sandrine Wavrant
- Department of Obstretrics and Gynecology, CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada
| | - Gabriel Altit
- Department of Pediatrics, Division of Neonatology, Montreal Children's Hospital, McGill University, Montréal, QC, Canada
| | - Anie Lapointe
- Department of Pediatrics, Division of Neonatology, CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada.
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Perry H, Duffy JMN, Umadia O, Khalil A. Outcome reporting across randomized trials and observational studies evaluating treatments for twin-twin transfusion syndrome: systematic review. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2018; 52:577-585. [PMID: 29607558 DOI: 10.1002/uog.19068] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 03/19/2018] [Accepted: 03/27/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVE Twin-twin transfusion syndrome (TTTS) is associated with significant mortality and morbidity. Potential treatments for the condition require robust evaluation. The aim of this study was to evaluate outcome reporting across observational studies and randomized controlled trials assessing treatments for TTTS. METHODS Cochrane Central Register of Controlled Trials, EMBASE and MEDLINE were searched from inception to August 2016. Observational studies and randomized controlled trials reporting outcome following treatment for TTTS in monochorionic-diamniotic twin pregnancy and monochorionic-triamniotic or dichorionic-triamniotic triplet pregnancy were included. Outcome reporting was systematically extracted and categorized. RESULTS Six randomized trials and 94 observational studies were included, reporting data from 20 071 maternal participants and 3199 children. Six different treatments were evaluated. Included studies reported 62 different outcomes, including six fetal, seven offspring mortality, 25 neonatal, six early childhood and 18 maternal/operative outcomes. Outcomes were reported inconsistently across trials. For example, when considering offspring mortality, 31 (31%) studies reported live birth, 31 (31%) reported intrauterine death, 49 (49%) reported neonatal mortality and 17 (17%) reported perinatal mortality. Four (4%) studies reported respiratory distress syndrome. Only 19 (19%) studies were designed for long-term follow-up and 11 (11%) of these reported cerebral palsy. CONCLUSIONS Studies evaluating treatments for TTTS have often neglected to report clinically important outcomes, especially neonatal morbidity outcomes, and most are not designed for long-term follow-up. The development of a core outcome set could help standardize outcome collection and reporting in TTTS studies. Copyright © 2018 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- H Perry
- Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, UK
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
| | - J M N Duffy
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Radcliffe Observatory Quarter, Oxford, UK
- Balliol College, University of Oxford, Oxford, UK
| | - O Umadia
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
| | - A Khalil
- Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, UK
- Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London, London, UK
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Chang YL, Chao AS, Peng HH, Chang SD, Su SY, Chen KJ, Wang TH. Effects of inter-twin vascular anastomoses of monochorionic twins with selective intrauterine growth restriction on the contents of placental mitochondria DNA. BMC Pregnancy Childbirth 2018; 18:74. [PMID: 29573746 PMCID: PMC5866522 DOI: 10.1186/s12884-018-1702-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 03/15/2018] [Indexed: 01/06/2023] Open
Abstract
Background Placental mitochondrial DNA (mtDNA) has been proposed to be an indicator for placental hypoxia. This study was designed to evaluate the effect of vascular anastomoses between monochorionic (MC) twins on placental mtDNA. Methods In this study, twin-twin transfusion syndrome (TTTS) treated with laser therapy and MC twins without TTTS (without laser therapy) resulting in two live babies were included in this study. The placental mtDNA fold changes (FC) between the small and large twins were analyzed using real-time quantitative PCR. TTTS twins with selective intrauterine growth restriction (sIUGR) are categorized as group 1, TTTS without sIUGR as group 2, MC twins without TTTS but with sIUGR as group 3, and MC twins without both TTTS and sIUGR as group 4. Results There were seven cases in group 1, eight in group 2, 26 in group 3, and 24 in group 4 cases. The placental mtDNA FC were significantly higher in group 1 (1.57 ± 0.9) compared to that of the group 3 (0.86 ± 0.6). Conclusion In MC twin pregnancies with sIUGR, the placental mtDNA FC between the small and large twins are different between cases with and without inter-twin anastomoses. These findings suggest that the inter-twin anastomoses in the MC twins with sIUGR may provide rescue perfusion from the appropriate-for-gestational-age twin to the sIUGR one. Electronic supplementary material The online version of this article (10.1186/s12884-018-1702-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yao-Lung Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou, College of Medicine, Chang Gung University, No 5, Fu-Shin Road, Gwei-shan, Taoyuan, Taiwan
| | - An-Shine Chao
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou, College of Medicine, Chang Gung University, No 5, Fu-Shin Road, Gwei-shan, Taoyuan, Taiwan
| | - Hsiu-Huei Peng
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou, College of Medicine, Chang Gung University, No 5, Fu-Shin Road, Gwei-shan, Taoyuan, Taiwan
| | - Shuenn-Dyh Chang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou, College of Medicine, Chang Gung University, No 5, Fu-Shin Road, Gwei-shan, Taoyuan, Taiwan
| | - Sheng-Yuan Su
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou, College of Medicine, Chang Gung University, No 5, Fu-Shin Road, Gwei-shan, Taoyuan, Taiwan
| | - Kuan-Ju Chen
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou, College of Medicine, Chang Gung University, No 5, Fu-Shin Road, Gwei-shan, Taoyuan, Taiwan
| | - Tzu-Hao Wang
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou, College of Medicine, Chang Gung University, No 5, Fu-Shin Road, Gwei-shan, Taoyuan, Taiwan. .,School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan. .,Genomic Medicine Research Core Laboratory (GMRCL), Chang Gung Memorial Hospital, Tao-Yuan, 333, Taiwan.
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Wataganara T, Gosavi A, Nawapun K, Vijayakumar PD, Phithakwatchara N, Choolani M, Su LL, Biswas A, Mattar CNZ. Model Surgical Training: Skills Acquisition in Fetoscopic Laser Photocoagulation of Monochorionic Diamniotic Twin Placenta Using Realistic Simulators. J Vis Exp 2018. [PMID: 29630059 DOI: 10.3791/57328] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Fetoscopic laser coagulation of arterio-venous anastomoses (AVA) in a monochorionic placenta is the standard of care for twin-twin transfusion syndrome (TTTS), but is technically challenging and can lead to significant complications. Acquiring and maintaining the necessary surgical skills require consistent practice, a critical caseload, and time. Training on realistic surgical simulators can potentially shorten this steep learning curve and enables several proceduralists to acquire procedure-specific skills simultaneously. Here we describe realistic simulators designed to allow the user familiarity with the equipment and specific steps required in the surgical treatment of TTTS, including fetoscopic handling, approaches to anterior and posterior placenta, recognition of anastomoses, and efficient coagulation of vessels. We describe the skills that are especially important in conducting placental laser coagulation that the surgeon can practice on the model and apply in a clinical case. These models can be adapted easily depending on the availability of materials and require standard fetoscopy equipment. Such training systems are complementary to traditional surgical apprenticeships and can be useful aids for fetal medicine units that provide this clinical service.
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Affiliation(s)
- Tuangsit Wataganara
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Faculty of Medicine, Siriraj Hospital
| | - Arundhati Gosavi
- Department of Obstetrics and Gynaecology, National University Health Systems
| | - Katika Nawapun
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Faculty of Medicine, Siriraj Hospital
| | | | - Nisarat Phithakwatchara
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Faculty of Medicine, Siriraj Hospital
| | - Mahesh Choolani
- Department of Obstetrics and Gynaecology, National University Health Systems; Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore
| | - Lin Lin Su
- Department of Obstetrics and Gynaecology, National University Health Systems; Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore
| | - Arijit Biswas
- Department of Obstetrics and Gynaecology, National University Health Systems; Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore
| | - Citra N Z Mattar
- Department of Obstetrics and Gynaecology, National University Health Systems; Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore;
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Abstract
Fetal surgery corrects severe congenital anomalies in utero to prevent their severe consequences on fetal development. The significant risk of open fetal operations to the pregnant mother has driven innovation toward minimally invasive procedures that decrease the risks inherent to hysterotomy. In this article, we discuss the basic principles of minimally invasive fetal surgery, the general history of its development, specific conditions and procedures used to treat them, and the future of the field.
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Affiliation(s)
- Claire E Graves
- Department of Surgery, University of California, San Francisco, 550 16th Street 5th Floor UCSF Mail Stop 0570, San Francisco, CA 94158-2549, USA
| | - Michael R Harrison
- University of California, San Francisco, 550 16th Street 5th Floor UCSF Mail Stop 0570, San Francisco, CA 94158-2549, USA
| | - Benjamin E Padilla
- Division of Pediatric Surgery, Department of Surgery, University of California, San Francisco, 550 16th Street 5th Floor UCSF Mail Stop 0570, San Francisco, CA 94158-2549, USA.
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Khalil A, Perry H, Duffy J, Reed K, Baschat A, Deprest J, Hecher K, Lewi L, Lopriore E, Oepkes D. Twin-Twin Transfusion Syndrome: study protocol for developing, disseminating, and implementing a core outcome set. Trials 2017; 18:325. [PMID: 28709445 PMCID: PMC5513392 DOI: 10.1186/s13063-017-2042-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 06/16/2017] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Twin-Twin Transfusion Syndrome (TTTS) is associated with an increased risk of perinatal mortality and morbidity. Several treatment interventions have been described for TTTS, including fetoscopic laser surgery, amnioreduction, septostomy, expectant management, and pregnancy termination. Over the last decade, fetoscopic laser surgery has become the primary treatment. The literature to date reports on many different outcomes, making it difficult to compare results or combine data from individual studies, limiting the value of research to guide clinical practice. With the advent and ongoing development of new therapeutic techniques, this is more important than ever. The development and use of a core outcome set has been proposed to address these issues, prioritising outcomes important to the key stakeholders, including patients. We aim to produce, disseminate, and implement a core outcome set for TTTS. METHODS An international steering group has been established to oversee the development of this core outcome set. This group includes healthcare professionals, researchers and patients. A systematic review is planned to identify previously reported outcomes following treatment for TTTS. Following completion, the identified outcomes will be evaluated by stakeholders using an international, multi-perspective online modified Delphi method to build consensus on core outcomes. This method encourages the participants towards consensus 'core' outcomes. All key stakeholders will be invited to participate. The steering group will then hold a consensus meeting to discuss results and form a core outcome set to be introduced and measured. Once core outcomes have been agreed, the next step will be to determine how they should be measured, disseminated, and implemented within an international context. DISCUSSION The development, dissemination, and implementation of a core outcome set in TTTS will enable its use in future clinical trials, systematic reviews and clinical practice guidelines. This is likely to advance the quality of research studies and their effective use in order to guide clinical practice and improve patient care, maternal, short-term perinatal outcomes and long-term neurodevelopmental outcomes. TRIAL REGISTRATION Core Outcome Measures in Effectiveness Trials (COMET), 921 Registered on July 2016. International Prospective Register of Systematic Reviews (PROSPERO), CRD42016043999 . Registered on 2 August 2016.
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Affiliation(s)
- Asma Khalil
- St George’s University of London, Blackshow Road, Tooting, London, SW17 0QT UK
| | - Helen Perry
- St George’s University of London, Blackshow Road, Tooting, London, SW17 0QT UK
| | - James Duffy
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, OX2 6GG UK
| | - Keith Reed
- Twin and Multiple Births Association (TAMBA), The Manor House, Manor Park, Church Hill, Aldershot, GU12 4JU UK
| | - Ahmet Baschat
- The Johns Hopkins Center for Fetal Therapy, 600 North Wolfe, Nelson 228, Baltimore, MD 21287 USA
| | - Jan Deprest
- Department of Obstetrics and Gynecology, University Hospitals of KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Kurt Hecher
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Neues Klinikum, Gebäude O10 Martinistraße 52, 20246 Hamburg, Germany
| | - Liesbeth Lewi
- Department of Obstetrics and Gynecology, University Hospitals of KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Enrico Lopriore
- Department of Pediatrics, Leiden University Medical Center, K-06-35, P.O. Box 9600, 2300RC Leiden, The Netherlands
| | - Dick Oepkes
- Division of Fetal Medicine, Department of Obstetrics, Leiden University Medical Center, K-06-35, P.O. Box 9600, 2300RC Leiden, The Netherlands
| | - On behalf of the International Collaboration to Harmonise Outcomes for Twin–Twin Transfusion Syndrome (CHOOSE)
- St George’s University of London, Blackshow Road, Tooting, London, SW17 0QT UK
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, OX2 6GG UK
- Twin and Multiple Births Association (TAMBA), The Manor House, Manor Park, Church Hill, Aldershot, GU12 4JU UK
- The Johns Hopkins Center for Fetal Therapy, 600 North Wolfe, Nelson 228, Baltimore, MD 21287 USA
- Department of Obstetrics and Gynecology, University Hospitals of KU Leuven, Herestraat 49, 3000 Leuven, Belgium
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Neues Klinikum, Gebäude O10 Martinistraße 52, 20246 Hamburg, Germany
- Department of Pediatrics, Leiden University Medical Center, K-06-35, P.O. Box 9600, 2300RC Leiden, The Netherlands
- Division of Fetal Medicine, Department of Obstetrics, Leiden University Medical Center, K-06-35, P.O. Box 9600, 2300RC Leiden, The Netherlands
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Gosavi A, Vijayakumar PD, Ng BSW, Loh MH, Tan LG, Johana N, Tan YW, Sandikin D, Su LL, Wataganara T, Biswas A, Choolani MA, Mattar CNZ. Rapid initiation of fetal therapy services with a system of learner-centred training under proctorship: the National University Hospital (Singapore) experience. Singapore Med J 2017; 58:311-320. [PMID: 27439783 PMCID: PMC5474526 DOI: 10.11622/smedj.2016127] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Management of complicated monochorionic twins and certain intrauterine structural anomalies is a pressing challenge in communities that still lack advanced fetal therapy. We describe our efforts to rapidly initiate selective feticide using radiofrequency ablation (RFA) and selective fetoscopic laser photocoagulation (SFLP) for twin-to-twin transfusion syndrome (TTTS), and present the latter as a potential model for aspiring fetal therapy units. METHODS Five pregnancies with fetal complications were identified for RFA. Three pregnancies with Stage II TTTS were selected for SFLP. While RFA techniques utilising ultrasonography skills were quickly mastered, SFLP required stepwise technical learning with an overseas-based proctor, who provided real-time hands-off supervision. RESULTS All co-twins were live-born following selective feticide; one singleton pregnancy was lost. Fetoscopy techniques were learned in a stepwise manner and procedures were performed by a novice team of surgeons under proctorship. Dichorionisation was completed in only one patient. Five of six twins were live-born near term. One pregnancy developed twin anaemia-polycythaemia sequence, while another was complicated by co-twin demise. DISCUSSION Proctor-supervised directed learning facilitated the rapid provision of basic fetal therapy services by our unit. While traditional apprenticeship is important for building individual expertise, this system is complementary and may benefit other small units committed to providing these services.
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Affiliation(s)
- Arundhati Gosavi
- Department of Obstetrics and Gynaecology, National University Health System, Singapore
| | - Pradip D Vijayakumar
- Department of Obstetrics and Gynaecology, National University Health System, Singapore
| | - Bryan SW Ng
- Department of Anaesthesia, National University Health System, Singapore
| | - May-Han Loh
- Department of Anaesthesia, National University Health System, Singapore
| | - Lay Geok Tan
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Nuryanti Johana
- Department of Reproductive Medicine, KK Women’s and Children’s Hospital, Singapore
| | - Yi Wan Tan
- Department of Reproductive Medicine, KK Women’s and Children’s Hospital, Singapore
| | - Dedy Sandikin
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Lin Lin Su
- Department of Obstetrics and Gynaecology, National University Health System, Singapore
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Tuangsit Wataganara
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Faculty of Medicine, Siriraj Hospital, Bangkok, Thailand
| | - Arijit Biswas
- Department of Obstetrics and Gynaecology, National University Health System, Singapore
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Mahesh A Choolani
- Department of Obstetrics and Gynaecology, National University Health System, Singapore
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Citra NZ Mattar
- Department of Obstetrics and Gynaecology, National University Health System, Singapore
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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Spruijt MS, Tameeris E, Zhao DP, Middeldorp JM, Haak MC, Oepkes D, Lopriore E. Incidence and Causes of Intentional Fetal or Neonatal Demise in Twin-Twin Transfusion Syndrome. Fetal Diagn Ther 2017; 43:19-25. [PMID: 28285310 DOI: 10.1159/000461580] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 02/08/2017] [Indexed: 11/19/2022]
Abstract
INTRODUCTION The aim of this study is to evaluate the incidence and causes of intentional fetal and neonatal demise in twin-twin transfusion syndrome (TTTS). MATERIAL AND METHODS All TTTS pregnancies managed at our centre between 2000 and 2014 were included. We evaluated incidence and causes of intentional fetal/neonatal demise, defined as termination of pregnancy, selective fetal reduction, or withdrawal of neonatal intensive care. RESULTS Intentional fetal/neonatal demise occurred in 9.8% (110/1,122) of fetuses and was due to termination of pregnancy (2.2%), selective fetal reduction (4.2%), or withdrawal of neonatal intensive care (3.4%). Reasons for termination of pregnancy included complications of laser treatment (72.0%), severe fetal anomaly (20.0%), and unwanted pregnancy (8.0%). Reasons for selective fetal reduction were technical difficulties to perform laser surgery (51.1%), fetal complications (38.3%), and parental preference for fetal reduction rather than laser treatment (10.6%). Reasons for withdrawal of neonatal intensive care treatment were severe cerebral injury (47.4%), severe pulmonary complications (15.8%), birth asphyxia (5.3%), multiple complications of TTTS and/or prematurity combined (21.1%), or other (10.5%). CONCLUSIONS Intentional fetal or neonatal demise in TTTS occurs frequently and is often due to complications after laser surgery and/or severe (cerebral) injury in affected fetuses or neonates.
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Affiliation(s)
- Marjolijn S Spruijt
- Division of Neonatology, Department of Pediatrics, Leiden University Medical Centre, Leiden, The Netherlands
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Stock SJ, Bricker L, Norman JE, West HM. Immediate versus deferred delivery of the preterm baby with suspected fetal compromise for improving outcomes. Cochrane Database Syst Rev 2016; 7:CD008968. [PMID: 27404120 PMCID: PMC6457969 DOI: 10.1002/14651858.cd008968.pub3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Immediate delivery of the preterm fetus with suspected compromise may decrease the risk of damage due to intrauterine hypoxia. However, it may also increase the risks of prematurity. OBJECTIVES To assess the effects of immediate versus deferred delivery of preterm babies with suspected fetal compromise on neonatal, maternal and long-term outcomes. SEARCH METHODS We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (30 April 2016) and reference lists of retrieved studies. SELECTION CRITERIA Randomised trials comparing a policy of immediate delivery with deferred delivery or expectant management in preterm fetuses with suspected in utero compromise. Quasi-randomised trials and trials employing a cluster-randomised design were eligible for inclusion but none were identified. DATA COLLECTION AND ANALYSIS Two review authors independently assessed trials for inclusion and risk of bias, extracted data and checked them for accuracy. MAIN RESULTS We included one trial of 548 women (588 babies) in the review. Women with pregnancies between 24 and 36 weeks' gestation took part. The study took place in 13 European countries, between 1993 and 2001. The difference in the median randomisation to delivery interval between immediate delivery and deferred delivery was four days (median: 0.9 (inter-quartile range (IQR) 0.4 to 1.3) days for immediate delivery, median: 4.9 (IQR 2.0 to 10.8) days in the delay group).There was no clear difference in the primary outcomes of extended perinatal mortality (risk ratio (RR) 1.17, 95% confidence interval (CI) 0.67 to 2.04, one trial, 587 babies, moderate-quality evidence) or the composite outcome of death or disability at or after two years of age (RR 1.22, 95% CI 0.85 to 1.75, one trial, 573 babies, moderate-quality evidence) with immediate delivery compared to deferred delivery. The results for these outcomes are consistent with both appreciable benefit and harm. More babies in the immediate delivery group were ventilated for more than 24 hours (RR 1.54, 95% CI 1.20 to 1.97, one trial, 576 babies). There were no differences between the immediate delivery and deferred delivery groups in any other infant mortality outcome (stillbirth, neonatal mortality, postneonatal mortality > 28 days to discharge), individual neonatal morbidity or markers of neonatal morbidity (cord pH less than 7.00, Apgar less than seven at five minutes, convulsions, interventricular haemorrhage or germinal matrix haemorrhage, necrotising enterocolitis and periventricular leucomalacia or ventriculomegaly).Some important outcomes were not reported, in particular infant admission to neonatal intensive care or special care facility, and respiratory distress syndrome. We were not able to calculate composite rates of serious neonatal morbidity, even though individual morbidities were reported, due to the risk of double counting infants with more than one morbidity.More children in the immediate delivery group had cerebral palsy at or after two years of age (RR 5.88, 95% CI 1.33 to 26.02, one trial, 507 children). There were, however, no differences in neurodevelopment impairment at or after two years (RR 1.72, 95% CI 0.86 to 3.41, one trial, 507 children), death at or after two years of age (RR 1.04, 95% CI 0.66 to 1.63, one trial, 573 children), or death or disability in childhood (six to 13 years of age) (RR 0.82, 95% CI 0.48 to 1.40, one trial, 302 children). More women in the immediate delivery group had caesarean delivery than in the deferred delivery group (RR 1.15, 95% CI 1.07 to 1.24, one trial, 547 women, high-quality evidence). Data were not available on any other maternal outcomes.There were several methodological weaknesses in the included study, and the level of evidence for the primary outcomes was graded high for caesarean section and moderate for extended perinatal mortality and death or disability at or after two years. The evidence was downgraded because the CIs for these outcomes were wide, and were consistent with both appreciable benefit and harm. Bias may have been introduced by several factors: blinding was not possible due to the nature of the intervention, data for childhood follow-up were incomplete due to attrition, and no adjustment was made in the analysis for the non-independence of babies from multiple pregnancies (39 out of 548 pregnancies). This study only included cases of suspected fetal compromise where there was uncertainty whether immediate delivery was indicated, thus results must be interpreted with caution. AUTHORS' CONCLUSIONS Currently there is insufficient evidence on the benefits and harms of immediate delivery compared with deferred delivery in cases of suspected fetal compromise at preterm gestations to make firm recommendations. There is a lack of trials addressing this question, and limitations of the one included trial means that caution must be used in interpreting and generalising the findings. More research is needed to guide clinical practice.Although the included trial is relatively large, it has insufficient power to detect differences in neonatal mortality. It did not report any maternal outcomes other than mode of delivery, or evaluate maternal satisfaction or economic outcomes. The applicability of the findings is limited by several factors: Women with a wide range of obstetric complications and gestational ages were included, and subgroup analysis is currently limited. Advances in Doppler assessment techniques may diagnose severe compromise more accurately and help make decisions about the timing of delivery. The potential benefits of deferring delivery for longer or shorter periods cannot be presumed.Where there is uncertainty whether or not to deliver a preterm fetus with suspected fetal compromise, there seems to be no benefit to immediate delivery. Deferring delivery until test results worsen or increasing gestation favours delivery may improve the outcomes for mother and baby.There is a need for high-quality randomised controlled trials comparing immediate and deferred delivery where there is suspected fetal compromise at preterm gestations to guide clinical practice. Future trials should report all important outcomes, and should be adequately powered to detect differences in maternal and neonatal morbidity and mortality.
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Affiliation(s)
- Sarah J Stock
- University of Edinburgh Queen's Medical Research CentreMRC Centre for Reproductive HealthEdinburghUKEH16 4TJ
| | | | - Jane E Norman
- University of Edinburgh Queen's Medical Research CentreMRC Centre for Reproductive HealthEdinburghUKEH16 4TJ
| | - Helen M West
- The University of LiverpoolCochrane Pregnancy and Childbirth Group, Department of Women's and Children's HealthFirst Floor, Liverpool Women's NHS Foundation TrustCrown StreetLiverpoolUKL8 7SS
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Increased Risk Of Early-Onset Neonatal Sepsis After Laser Surgery For Twin-to-Twin Transfusion Syndrome. Twin Res Hum Genet 2016; 19:234-40. [PMID: 27137630 DOI: 10.1017/thg.2016.21] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
OBJECTIVE To investigate the occurrence of early-onset neonatal sepsis (EOS) in twin-twin transfusion syndrome (TTTS) managed with laser surgery. STUDY DESIGN We performed a prospective cohort study of all consecutive TTTS cases treated with laser surgery (TTTS group) delivered at the Leiden University Medical Center. We recorded the occurrence of EOS, defined as a positive blood culture ≤72 hours postpartum (proven sepsis) or administration of a full course of antibiotics due to risk factors or signs of sepsis, in the absence of a positive blood culture (suspected sepsis). Perinatal variables in the TTTS group were compared with uncomplicated monochorionic twins (no-TTTS group). A multivariate model was generated, examining the association between EOS and gestational age at birth, interval between laser surgery and birth, anterior placenta, laser period (first study period: 2002-2008; second study period: 2009-2015), and preterm premature rupture of membranes (PPROM). RESULTS The rates of combined suspected and proven EOS in the TTTS group and no-TTTS group were 16% (68/416) and 10% (55/542), respectively (relative ratio [RR] 1.74, 95% confidence interval [CI] 1.19-2.55). Multivariate analysis showed that EOS in the TTTS group was independently associated with lower gestational age at birth (odds ratio [OR] 0.75, 95% CI 0.63-0.88), first study period (OR 2.25, 95% CI 1.08-4.67) and PPROM (OR 2.47, 95% CI 1.28-4.75). CONCLUSION The rate of EOS in the TTTS group is low, but increased compared to the no-TTTS group. EOS in TTTS is independently associated with premature delivery, earlier laser period, and PPROM.
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Khalil A, Rodgers M, Baschat A, Bhide A, Gratacos E, Hecher K, Kilby MD, Lewi L, Nicolaides KH, Oepkes D, Raine-Fenning N, Reed K, Salomon LJ, Sotiriadis A, Thilaganathan B, Ville Y. ISUOG Practice Guidelines: role of ultrasound in twin pregnancy. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2016; 47:247-63. [PMID: 26577371 DOI: 10.1002/uog.15821] [Citation(s) in RCA: 334] [Impact Index Per Article: 41.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 11/16/2015] [Indexed: 05/27/2023]
Affiliation(s)
- A Khalil
- Fetal Medicine Unit, St George’s Hospital, St George’s University of London, London, UK
| | - M Rodgers
- The Johns Hopkins Center for Fetal Therapy, Baltimore, MD, USA
| | - A Baschat
- The Johns Hopkins Center for Fetal Therapy, Baltimore, MD, USA
| | - A Bhide
- Fetal Medicine Unit, St George’s Hospital, St George’s University of London, London, UK
| | - E Gratacos
- Fetal Medicine Units and Departments of Obstetrics, Hospital Clinic-IDIBAPS, University of Barcelona, Barcelona, Spain
| | - K Hecher
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germaniy
| | - M D Kilby
- Centre for Women’s and Children's Health, University of Birmingham and Fetal Medicine Centre, Birmingham Women’s Foundation Trust, Birmingham, UK
| | - L Lewi
- Department of Obstetrics and Gynecology, University Hospitals Leuven, Leuven, Belgium
| | - K H Nicolaides
- Harris Birthright Research Centre for Fetal Medicine, King’s College Hospital, London, UK
| | - D Oepkes
- Division of Fetal Medicine, Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands
| | - N Raine-Fenning
- Division of Child Health, Obstetrics and Gynaecology, School of Medicine, University of Nottingham, Nottingham, UK
| | - K Reed
- Twin and Multiple Births Association (TAMBA)
| | - L J Salomon
- Hopital Necker-Enfants Malades, AP-HP, Universit´e Paris Descartes, Paris, France
| | - A Sotiriadis
- Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - B Thilaganathan
- Fetal Medicine Unit, St George’s Hospital, St George’s University of London, London, UK
| | - Y Ville
- Hospital Necker-Enfants Malades, AP-HP, Université Paris Descartes, Paris, France
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Dhillon RK, Hillman SC, Pounds R, Morris RK, Kilby MD. Comparison of Solomon technique with selective laser ablation for twin-twin transfusion syndrome: a systematic review. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2015; 46:526-533. [PMID: 25677883 DOI: 10.1002/uog.14813] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Revised: 01/04/2015] [Accepted: 01/30/2015] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To compare the Solomon and selective techniques for fetoscopic laser ablation (FLA) for the treatment of twin-twin transfusion syndrome (TTTS) in monochorionic-diamniotic twin pregnancies. METHODS This was a systematic review conducted in accordance with the PRISMA statement. Electronic searches were performed for relevant citations published from inception to September 2014. Selected studies included pregnancies undergoing FLA for TTTS that reported on recurrence of TTTS, occurrence of twin anemia-polycythemia sequence (TAPS) or survival. RESULTS From 270 possible citations, three studies were included, two cohort studies and one randomized controlled trial (RCT), which directly compared the Solomon and selective techniques for FLA. The odds ratios (OR) of recurrent TTTS when using the Solomon vs the selective technique in the two cohort studies (n = 249) were 0.30 (95% CI, 0.00-4.46) and 0.45 (95% CI, 0.07-2.20). The RCT (n = 274) demonstrated a statistically significant reduction in risk of recurrent TTTS with the Solomon technique (OR, 0.21 (95% CI, 0.04-0.98); P = 0.03). The ORs for the development of TAPS following the Solomon and the selective techniques were 0.20 (95% CI, 0.00-2.46) and 0.61 (95% CI, 0.05-5.53) in the cohort studies and 0.16 (95% CI, 0.05-0.49) in the RCT, with statistically significant differences for the RCT only (P < 0.001). Observational evidence suggested overall better survival with the Solomon technique, which was statistically significant for survival of at least one twin. The RCT did not demonstrate a significant difference in survival between the two techniques, most probably owing to the small sample size and lack of power. CONCLUSION This systematic review of observational, comparative cohort and RCT data suggests a trend towards a reduction in TAPS and recurrent TTTS and an increase in twin survival, with no increase in the occurrence of complications or adverse events, when using the Solomon compared to the selective technique for the treatment of TTTS. These findings need to be confirmed by an appropriately-powered RCT with long-term neurological follow-up.
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Affiliation(s)
- R K Dhillon
- Centre for Women's & Children's Health, School of Clinical and Experimental Medicine, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - S C Hillman
- Centre for Women's & Children's Health, School of Clinical and Experimental Medicine, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - R Pounds
- Russells Hall Hospital, The Dudley Group NHS Foundation Trust, Dudley, UK
| | - R K Morris
- Centre for Women's & Children's Health, School of Clinical and Experimental Medicine, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
- Fetal Medicine Centre, Birmingham Women's NHS Foundation Trust, Edgbaston, Birmingham, UK
| | - M D Kilby
- Centre for Women's & Children's Health, School of Clinical and Experimental Medicine, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
- Fetal Medicine Centre, Birmingham Women's NHS Foundation Trust, Edgbaston, Birmingham, UK
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Gherpelli JLD. Twin-twin transfusion syndrome: what really matters concerning developmental outcome of survivals? ARQUIVOS DE NEURO-PSIQUIATRIA 2015; 73:183-4. [PMID: 25807120 DOI: 10.1590/0004-282x20140242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 01/23/2015] [Indexed: 11/22/2022]
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Akkermans J, Peeters SH, Klumper FJ, Middeldorp JM, Lopriore E, Oepkes D. Is the Sequential Laser Technique for Twin-to-Twin Transfusion Syndrome Truly Superior to the Standard Selective Technique? A Meta-Analysis. Fetal Diagn Ther 2014; 37:251-8. [DOI: 10.1159/000365212] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 06/12/2014] [Indexed: 11/19/2022]
Abstract
Background and Objective: To investigate the efficacy of sequential laser coagulation in the treatment of twin-to-twin transfusion syndrome (TTTS). Data Sources: MEDLINE, EMBASE and the Cochrane Library were systematically searched for comparative studies on the efficacy of sequential versus standard selective laser coagulation for TTTS. The primary outcome measure in these studies was survival of at least one twin, both twins and fetal demise. Results: Three cohort studies comparing the selective laser treatment technique (n = 120) versus the sequential technique (n = 224) in 344 monochorionic twin pregnancies were included. Mean survival of at least one twin was 88% in the selective group versus 92% (p = 0.22) in the sequential group. Mean survival of both twins was lower in the selective group (52%) than in the sequential group (75%) (p = 0.002). Donor fetal demise decreased from 34% in the selective to 10% in the sequential group (p < 0.01), and recipient fetal demise decreased from 16 to 7% (p = 0.02). Conclusion: Limited evidence suggests improved double neonatal survival as well as decreased donor and recipient fetal demise with the use of the sequential technique. However, these results are based on small non-randomized studies with evident forms of bias and methodological limitations. A randomized controlled trial to assess the efficacy of sequential laser technique is therefore required.
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Meuli M, Moehrlen U. Fetal surgery for myelomeningocele is effective: a critical look at the whys. Pediatr Surg Int 2014; 30:689-97. [PMID: 24908159 DOI: 10.1007/s00383-014-3524-8] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/27/2014] [Indexed: 10/25/2022]
Abstract
Formerly, the disastrous cluster of neurologic deficits and associated neurogenic problems in patients with myelomeningocele (MMC) was generally thought to solely result from the primary malformation, i.e., failure of neurulation. Today, however, there is no doubt that a dimensional additional pathogenic mechanism exists. Most likely, it contributes much more to loss of neurologic function than non-neurulation does. Today, there is a large body of compelling experimental and clinical evidence confirming that the exposed part of the non-neurulated spinal cord is progressively destroyed during gestation, particularly so in the third trimester. These considerations gave rise to the two-hit-pathogenesis of MMC with non-neurulation being the first and consecutive in utero acquired neural tissue destruction being the second hit. This novel pathophysiologic understanding has obviously triggered the question whether the serious and irreversible functional loss caused by the second hit could not be prevented or, at least, significantly alleviated by timely protecting the exposed spinal cord segments, i.e., by early in utero repair of the MMC lesion. Based on this intriguing hypothesis and the above-mentioned data, human fetal surgery for MMC was born in the late nineties of the last century and has made its way to become a novel standard of care, particularly after the so-called "MOMS Trial". This trial, published in the New England Journal of Medicine, has indisputably shown that overall, open prenatal repair is distinctly better than postnatal care alone. Finally, a number of important other topics deserve being mentioned, including the necessity to work on the up till now immature endoscopic fetal repair technique and the need for concentration of these extremely challenging cases to a small number of really qualified fetal surgery centers worldwide. In conclusion, despite the fact that in utero repair of MMC is not a complete cure and not free of risk for both mother and fetus, current data clearly demonstrate that open fetal-maternal surgery is to be recommended as novel standard of care when pregnancy is to be continued and when respective criteria for the intervention before birth are met. Undoubtedly, it is imperative to inform expecting mothers about the option of prenatal surgery once their fetus is diagnosed with open spina bifida.
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Affiliation(s)
- Martin Meuli
- Department of Pediatric Surgery, University Children's Hospital Zurich, Steinwiesstrasse 75, 8032, Zurich, Switzerland,
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Fox CE, Lash GE, Pretlove SJ, Chan BC, Holder R, Kilby MD. Maternal plasma and amniotic fluid cytokines in monochorionic, diamniotic twin pregnancies complicated by twin-to-twin transfusion syndrome. Fetal Diagn Ther 2014; 35:280-8. [PMID: 24802980 DOI: 10.1159/000358516] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Accepted: 12/27/2013] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Cytokine imbalance has been implicated in placental-related pathologies, i.e. recurrent miscarriage and pre-eclampsia. Such conditions are more prevalent in multiple pregnancies. Twin-to-twin transfusion syndrome (TTTS) is associated with asymmetric placental blood flow and intra-cardiac pressures. We hypothesised that cytokine expression may be aberrant in this condition and that fetoscopic laser ablation (FLA) may cause local cytokine release. MATERIAL AND METHODS A prospective cohort of monochorionic, diamniotic twins with TTTS (n = 23) was studied. Circulating T helper cell type 1 (TH1)/TH2 maternal cytokines and cytokine-related and angiogenic factors were measured in plasma and amniotic fluid before and after FLA by human FASTQuant or ELISA. Basal comparisons were made with uncomplicated monochorionic and dichorionic (DC) twins. RESULTS Median maternal plasma platelet-derived growth factor-BB was highest in uncomplicated DC twins (p = 0.049), whereas tissue inhibitor of metalloproteinases (TIMP)-1 was highest in TTTS twins (p = 0.003). In TTTS amniotic fluid, interleukin (IL)-6, IL-1β, tumour necrosis factor-α, IL-10, IL-4, IL-8, interferon-γ, TIMP-1 and intercellular adhesion molecule-1 were significantly higher than maternal plasma concentrations. There were no significant differences in plasma or amniotic fluid cytokines after FLA, with the exception of amniotic fluid keratinocyte growth factor, which was significantly reduced. DISCUSSION TTTS is associated with minimal changes in cytokine levels when compared to uncomplicated twins, although the majority of cytokine levels were higher in amniotic fluid than maternal blood. It does not appear that FLA evokes a significant change in cytokines.
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Affiliation(s)
- Caroline E Fox
- Fetal Medicine Centre, Birmingham Women's Foundation Trust, University of Birmingham, Birmingham, UK
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