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Li X, Zhou M, Wang S, Zhang C. The role of multimodal ultrasound in diagnosis of fetal bowel dilatation and prediction of adverse neonatal outcomes: A study of 86 cases in a series of 43,562 births. Heliyon 2024; 10:e27455. [PMID: 38463772 PMCID: PMC10923836 DOI: 10.1016/j.heliyon.2024.e27455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/12/2024] Open
Abstract
Objective To investigate the diagnostic utility of multimodal ultrasound for fetal bowel dilatation (FBD) in different parts of the bowel and to examine its prognostic potential in FBD. Methods This retrospective study analyzed 86 fetuses with a dilated bowel identified via ultrasound in a 10-month postnatal follow-up. Both two- and three dimensional (2D and 3D, respectively) ultrasound volume imaging were used to characterize dilation across different bowel sections. The optimal intestinal diameter cut-off values for pathological bowel dilatation were determined and a predictive model for neonatal surgery was developed. Results The 86 cases of dilatation were distributed as follows: duodenal (n = 36); jejunum/ileum (n = 35); and colonic (n = 15). Duodenal dilatations presented the earliest during pregnancy compared to the other 2 groups (24.4 versus [vs.] 29 vs. 33.7 weeks respectively; p < 0.05). Cases with small intestinal dilatation were delivered earlier than those with colonic dilatation (p < 0.05). Infants with duodenal dilatation had the lowest birth weight and the highest rate of multi-system abnormalities (30.6% vs. 5.7% vs. 20%; p < 0.001). More than one-half of the multi-system abnormalities had chromosomal abnormalities (multiple, 54% vs. single, 12.5%; p = 0.015). There were 2 stillbirths, 24 induced labors, 44 postnatal surgeries, and 18 normal cases after birth. In predicting adverse neonatal outcomes of jejunum/ileum dilatation using a cut-off value of 15.5 mm small intestine diameter, sensitivity was 81.5%, specificity was 62.5%, and the area under the receiver operating characteristic curve (AUC) was 0.762 (p < 0.05). For colonic dilatation, using a cut-off value of 21.5 mm colon diameter: sensitivity was 83.3%, specificity was 77.8%, and AUC was 0.861 (p < 0.05). In detecting jejunum/ileum and colonic obstruction, 3D ultrasound demonstrated significantly better diagnostic efficiency than 2D ultrasound (p < 0.05). Using the backward stepwise selection method, a predictive model for neonatal surgery in patients with jejunum/ileum and colonic dilatation was established: logit (P) = -1.58 + (2.32 × polyhydramnios) +(2.0 × ascites) +(1.14 × hyperechogenic bowel). The AUC for the prediction model was 0.874 (p < 0.05), with 76% sensitivity and 94.1% specificity. Conclusions Duodenal dilatation occurred earlier, with a higher incidence of chromosomal abnormalities and multi-system abnormalities than dilatation of other parts of the bowel. 3D ultrasound played an important role in the detection of jejunum/ileum and colon obstructions. Clinical signs, including polyhydramnios, ascites, and strong echoes in the intestine, can be used to predict neonatal surgery.
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Affiliation(s)
- Xuelei Li
- Department of Ultrasound, Anhui Province Maternity and Child Health Hospital, Anhui, China
| | - Meng Zhou
- Department of Ultrasound, Anhui Province Maternity and Child Health Hospital, Anhui, China
| | - Shanshan Wang
- Department of Ultrasound, Anhui Province Maternity and Child Health Hospital, Anhui, China
| | - Chaoxue Zhang
- Department of Ultrasound, First Affiliated Hospital of Anhui Medical University, Anhui, China
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Liu J, Chen Y, Wang H, Huang D, Du Y, Liu X, Sun X, Yan C, Chen W, Wang H, Zhang R. Novel qualitative and quantitative ultrasound markers to facilitate prenatal diagnosis of congenital duodenal obstruction. J Matern Fetal Neonatal Med 2023; 36:2167072. [PMID: 36726301 DOI: 10.1080/14767058.2023.2167072] [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: 02/03/2023]
Abstract
OBJECTIVE Accurate prenatal diagnosis of congenital duodenal obstruction (CDO) is challenging. We aimed to determine new ultrasound metrics for accurate prenatal diagnosis of fetal CDO. METHODS Data pertaining to 46 fetuses with suspected small intestinal obstruction (26 CDO; 16 high jejunal obstructions) were retrospectively analyzed. Prenatal ultrasonographic features including dilated intestinal length, stomach length, maximum intestinal dilatation, ratio of dilated intestinal length at late gestation and dilated stomach length (I/S ratio), and location of distal end of dilated bowel segment relative to spine were compared between CDO and high jejunal obstruction groups. The diagnostic performance of ultrasound indices was evaluated using receiver operating characteristics curve analysis. RESULTS In 25 out of 26 CDO cases, the distal end of the dilated small intestine segment was located on the right side of spine, while that in the high jejunal obstruction group was located on the left side of spine. The dilated intestinal length and I/S ratio in CDO group were significantly smaller than those in high jejunal obstruction group (p < .05). Dilated intestinal length <51 mm or I/S ratio <1 showed high sensitivity (100, 100%) and specificity (96.1, 92.3%) for CDO (area under the curve: 0.995 and 0.988, respectively). There were no significant differences in the AUCs of dilated intestinal length and I/S ratio. Significant correlation of the site of obstruction in CDO with fetal dilated intestinal length and I/S ratio (r = 0.686; 0.660, p < .001, respectively) were noted. CONCLUSION Location of the distal end of the dilated small intestine segment relative to the spine, dilated intestinal length, and I/S ratio may help differentiate fetal CDO from high jejunal obstruction. The latter two metrics were associated with the site of obstruction in CDO patients.
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Affiliation(s)
- Jinrong Liu
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yunyu Chen
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Haiyu Wang
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Danping Huang
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yanyan Du
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xiaofang Liu
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xiuhong Sun
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Can Yan
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Wenmin Chen
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Hongying Wang
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Rui Zhang
- Department of Medical Ultrasonics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
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Engwall-Gill AJ, Zhou AL, Penikis AB, Sferra SR, Jelin AC, Blakemore KJ, Kunisaki SM. Prenatal Sonography in Suspected Proximal Gastrointestinal Obstructions: Diagnostic Accuracy and Neonatal Outcomes. J Pediatr Surg 2023; 58:1090-1094. [PMID: 36907770 PMCID: PMC10866136 DOI: 10.1016/j.jpedsurg.2023.02.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 02/10/2023] [Indexed: 02/19/2023]
Abstract
BACKGROUND The purpose of this study was to assess diagnostic accuracy and neonatal outcomes in fetuses with a suspected proximal gastrointestinal obstruction (GIO). METHODS After IRB approval, a retrospective chart review was conducted on prenatally suspected and/or postnatally confirmed cases of proximal GIO at a tertiary care facility (2012-2022). Maternal-fetal records were queried for presence of a double bubble ± polyhydramnios, and neonatal outcomes were assessed to calculate the diagnostic accuracy of fetal sonography. RESULTS Among 56 confirmed cases, the median birthweight and gestational age at birth were 2550 g [interquartile range (IQR) 2028-3012] and 37 weeks (IQR 34-38), respectively. There was one (2%) false-positive and three (6%) false-negatives by ultrasound. Double bubble had a sensitivity, specificity, positive predictive value, and negative predictive value for proximal GIO of 85%, 98%, 98%, and 83%, respectively. Pathologies included 49 (88%) with duodenal obstruction/annular pancreas, three (5%) with malrotation, and three (5%) with jejunal atresia. The median postoperative length of stay was 27 days (IQR 19-42). Cardiac anomalies were associated with significantly higher complications (45% vs 17%, p = 0.030). CONCLUSIONS In this contemporary series, fetal sonography has high diagnostic accuracy for detecting proximal gastrointestinal obstruction. These data are informative for pediatric surgeons in prenatal counseling and preoperative discussions with families. LEVEL OF EVIDENCE Diagnostic Study, Level III.
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Affiliation(s)
- Abigail J Engwall-Gill
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Alice L Zhou
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Annalise B Penikis
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Shelby R Sferra
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Angie C Jelin
- Division of Maternal-Fetal Medicine, Department of Gynecology & Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Karin J Blakemore
- Division of Maternal-Fetal Medicine, Department of Gynecology & Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Shaun M Kunisaki
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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Prenatal Detection of Congenital Duodenal Obstruction—Impact on Postnatal Care. CHILDREN 2022; 9:children9020160. [PMID: 35204881 PMCID: PMC8870145 DOI: 10.3390/children9020160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/17/2022] [Accepted: 01/23/2022] [Indexed: 12/01/2022]
Abstract
Background: Duodenal obstruction is a rare cause of congenital bowel obstruction. Prenatal ultrasound could be suggestive of duodenal atresia if polyhydramnios and the double bubble sign are visible. Prenatal diagnosis should prompt respective prenatal care, including surgery. The aim of this study was to investigate the rate and importance of prenatally diagnosed duodenal obstruction, comparing incomplete and complete duodenal obstruction. Methods: A retrospective, single-center study was performed using data from patients operated on for duodenal obstruction between 2004 and 2019. Prenatal ultrasound findings were obtained from maternal logbooks and directly from the investigating obstetricians. Postnatal data were obtained from electronic charts, including imaging, operative notes and follow-up. Results: A total of 33/64 parents of respective patients agreed to provide information on prenatal diagnostics. In total, 11/15 patients with complete duodenal obstruction and 0/18 patients with incomplete duodenal obstruction showed typical prenatal features. Prenatal diagnosis prompted immediate surgical treatment after birth. Conclusion: Prenatal diagnosis of congenital duodenal obstruction is only achievable in cases of complete congenital duodenal obstruction by sonographic detection of the pathognomonic double bubble sign. Patients with incomplete duodenal obstruction showed no sign of duodenal obstruction on prenatal scans and thus were diagnosed and treated later.
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Zhou CX, Zhu XY, Zhu YJ, Gu LL, He LL, Liu W, Yang Y, Wu X, Duan HL, Ru T, Li J. Prenatal features of 17q12 microdeletion and microduplication syndromes: A retrospective case series. Taiwan J Obstet Gynecol 2021; 60:232-237. [PMID: 33678321 DOI: 10.1016/j.tjog.2021.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2020] [Indexed: 10/22/2022] Open
Abstract
OBJECTIVE To present the experience on prenatal features of 17q12 microdeletion and microduplication syndromes. MATERIALS AND METHODS Prenatal chromosomal microarray analysis (CMA) were conducted between January 2015 and December 2018 at a single Chinese tertiary medical centre. Information of cases identified with 17q12 microdeletion or microduplication syndromes were retrospectively collected. Foetal ultrasonographic findings were reviewed, and other information about the gestation week at diagnosis, inheritance and pregnancy outcomes were also included. RESULTS Ten pregnancies with 17q12 microdeletion and 4 with 17q12 microduplication were identified. The copy number variation (CNV) sizes were 1.39-1.94 Mb in the deleted cases and 1.42-1.48 Mb in the duplicated cases, respectively. All the duplicated and deleted regions included HNF1B and LHX1 genes. Most individuals with 17q12 deletion presented kidney anomalies (9/10), with renal hyperechogenicity being the most common finding (7/10). Fetuses with 17q12 duplication presented a wide phenotypic spectrum, including "double bubble" sign, structural anomalies of the heart and growth anomalies. CONCLUSIONS Our experience further demonstrated the high correlation between 17q12 microdeletion and renal anomalies especially hyperechogenic kidneys. Structural anomalies of the heart were newly identified phenotypes of 17q12 duplication during prenatal period. Besides, growth anomalies and duodenal atresia might be associated with the duplication.
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Affiliation(s)
- Chun-Xiang Zhou
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Xiang-Yu Zhu
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Yu-Jie Zhu
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Lei-Lei Gu
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Lin-Lin He
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Wei Liu
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Ying Yang
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Xing Wu
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Hong-Lei Duan
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Tong Ru
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China
| | - Jie Li
- Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, China.
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Zhang W, Lei T, Fu F, Deng Q, Li R, Wang D, Yang X, Li D, Liao C. Microarray analysis in fetuses with duodenal obstruction: It is not just trisomy 21. Prenat Diagn 2021; 41:316-322. [PMID: 33000500 DOI: 10.1002/pd.5834] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 08/10/2020] [Accepted: 09/29/2020] [Indexed: 12/28/2022]
Abstract
OBJECTIVE To explore the copy number variants (CNVs) in case of fetal duodenal obstruction (DO) and assess the associated prenatal findings and postnatal outcomes. MATERIALS AND METHODS This retrospective study reviewed 51 fetuses with DO and the findings of chromosomal microarray analysis (CMA) used as a first-tier test in our institution between January 2014 and May 2019. RESULTS The frequency of pathogenic aberrations in fetuses with DO was 15.7% (8/51), including 9.8% (5/51) pathogenic CNVs. Three fetuses with isolated DO each had a deletion on chromosome 13q, one fetus had duplication at 1q43q44, and one had microduplication at 17q12. No significant differences in pathogenic CNVs were observed between isolated DO and DO plus additional anomalies (4/42, 9.5% vs 1/9, 11.1%, P = .89). Of the 51 fetuses with DO, 11 pregnancies were terminated, and eight fetuses had chromosomal abnormalities; one pregnancy ended with intrauterine death, and there were 39 live births. Neonatal outcomes were available for 31 fetuses, and no neonatal deaths occurred after surgery. CONCLUSIONS Our cohort study demonstrated the value of CMA in fetuses with DO, suggesting that CNVs may underly genetic etiologies that should be considered in the diagnostic evaluation of DO. We think CMA should be recommended in case of DO.
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Affiliation(s)
- Wenwen Zhang
- Department of Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Tingying Lei
- Department of Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Fang Fu
- Department of Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Qiong Deng
- Department of Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Ru Li
- Department of Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Dan Wang
- Department of Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xin Yang
- Department of Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Dongzhi Li
- Department of Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Can Liao
- Department of Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
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Demirci O, Eriç Özdemir M, Kumru P, Celayir A. Clinical significance of prenatal double bubble sign on perinatal outcome and literature review. J Matern Fetal Neonatal Med 2021; 35:1841-1847. [PMID: 33455511 DOI: 10.1080/14767058.2021.1874338] [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: 10/22/2022]
Abstract
OBJECTIVE To determine the diagnostic accuracy of the double bubble sign in predicting duedonal obstruction, the prevalence of anomalies associated with congenital duedonal obstruction, and to evaluate the outcome of these pregnancies and review the literature. METHODS We analyzed that the cases with double bubble sign were detected in prenatal ultrasonography between January 2014 and December 2019. Ultrasound reports, karyotyping results, surgical confirmed diagnoses and long-term results were extracted from the hospital database. RESULTS Duodenal obstruction was detected in all operated cases with double bubble sign detected in prenatal ultrasonography. Karyotype anomaly was found in 63.9% and additional congenital anomaly was found in 69.4%. Adverse perinatal outcome was seen in 51.1% of cases. Adverse perinatal outcome was found significantly higher in abnormal karyotype and congenital anomaly groups than isolated group. 81.8% of the isolated cases lived after the operation. Only two isolated cases died. CONCLUSION The prenatal double bubble sign is a highly reliable predictor for duodenal obstruction and structural anomalies and/or genetic abnormalities are present in the majority of cases. Duodenal obstruction is isolated, the outcomes appear favorable.
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Affiliation(s)
- Oya Demirci
- Perinatology Department, Zeynep Kamil Women and Children's Diseases Training and Research Hospital, Health Science University, Istanbul, Turkey
| | - Mucize Eriç Özdemir
- Perinatology Department, Zeynep Kamil Women and Children's Diseases Training and Research Hospital, Health Science University, Istanbul, Turkey
| | - Pınar Kumru
- Perinatology Department, Zeynep Kamil Women and Children's Diseases Training and Research Hospital, Health Science University, Istanbul, Turkey
| | - Aysenur Celayir
- Pediatric Surgery Department, Zeynep Kamil Women and Children's Diseases Training and Research Hospital, Health Science University, Istanbul, Turkey
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Bishop JC, McCormick B, Johnson CT, Miller J, Jelin E, Blakemore K, Jelin AC. The Double Bubble Sign: Duodenal Atresia and Associated Genetic Etiologies. Fetal Diagn Ther 2019; 47:98-103. [PMID: 31167209 DOI: 10.1159/000500471] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 04/16/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND The "double bubble" sign is an ultrasonographic finding that commonly represents duodenal atresia and is associated with trisomy 21. OBJECTIVES We sought to evaluate the positive predictive value of a prenatally identified double bubble sign for duodenal atresia and the genetic etiologies associated with it. METHODS We examined a retrospective cohort with prenatal double bubble sign between January 1, 2008, and June 30, 2017. Postnatal diagnoses were determined by review of operative reports and additional postnatal evaluation including cytogenetic analysis, molecular analysis, and/or clinical genetic evaluation. RESULTS All live births at our institution with a prenatal double bubble sign had confirmed duodenal atresia. Additional anatomic anomalies and/or genetic abnormalities were identified in 62% of cases. Out of 21 cases, 6 had trisomy 21. Of the remaining 15 cases, 8 were nonisolated duodenal atresia, 3 of which had a heterotaxy syndrome. In the 7 isolated cases, 1 likely pathogenic chromosomal microdeletion was identified. CONCLUSIONS Prenatal double bubble sign is a reliable predictor of duodenal atresia. In addition to trisomy 21, heterotaxy may be encountered. ZIC3 mutations as well as microdeletion of 4q22.3 may be underlying genetic etiologies to be considered in the diagnostic evaluation of a prenatal double bubble sign.
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Affiliation(s)
- Juliet C Bishop
- Division of Maternal-Fetal Medicine, Department of Gynecology and Obstetrics, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA,
| | - Bridgette McCormick
- Division of Maternal-Fetal Medicine, Department of Gynecology and Obstetrics, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Clark T Johnson
- Division of Maternal-Fetal Medicine, Department of Gynecology and Obstetrics, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Jena Miller
- The Johns Hopkins Center for Fetal Therapy, Baltimore, Maryland, USA
| | - Eric Jelin
- Department of Pediatric Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Karin Blakemore
- Division of Maternal-Fetal Medicine, Department of Gynecology and Obstetrics, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Angie C Jelin
- Division of Maternal-Fetal Medicine, Department of Gynecology and Obstetrics, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Ji X, Pan Q, Wang Y, Wu Y, Zhou J, Liu A, Qiao F, Ma D, Hu P, Xu Z. Prenatal Diagnosis of Recurrent Distal 1q21.1 Duplication in Three Fetuses With Ultrasound Anomalies. Front Genet 2018; 9:275. [PMID: 30177949 PMCID: PMC6109635 DOI: 10.3389/fgene.2018.00275] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 07/05/2018] [Indexed: 11/13/2022] Open
Abstract
Background: The phenotype of duplication of 1q21.1 region is variable, ranging from macrocephaly, autism spectrum disorder, congenital anomalies, to a normal phenotype. Few cases have been reported in the literature regarding prenatal diagnosis of 1q21.1 duplication syndrome. The current study presents prenatal diagnosis of 1q21.1 duplication syndrome in three fetuses with ultrasound anomalies. Case presentation: Three fetuses from three unrelated families were included in the study. The prenatal routine ultrasound examination showed nasal bone loss in Fetus 1 and Fetus 3, as well as duodenal atresia in Fetus 2. Chromosomal microarray analysis was performed to provide genetic analysis of amniotic fluid and parental blood samples. The CMA results revealed two de novo duplications of 1.34 and 2.69 Mb at distal 1q21.1 region in two fetuses with absent nasal bone, as well as a maternal inherited 1.35-Mb duplication at distal 1q21.1 in one fetus with duodenal atresia. Conclusions: The phenotype of 1q21.1 duplication syndrome in prenatal diagnosis is variable. The fetuses with nasal bone loss or duodenal atresia may be related to 1q21.1 duplication and chromosomal microarray analysis should be performed.
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Affiliation(s)
- Xiuqing Ji
- State Key Laboratory of Reproductive Medicine, Department of Prenatal Diagnosis, Affiliated Obstetrics and Gynecology Hospital with Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Qiong Pan
- Laboratory of Clinical Genetics, Department of Prenatal Diagnosis, Huai'an Maternal and Child Health Care Hospital, Huaian, China
| | - Yan Wang
- State Key Laboratory of Reproductive Medicine, Department of Prenatal Diagnosis, Affiliated Obstetrics and Gynecology Hospital with Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Yun Wu
- State Key Laboratory of Reproductive Medicine, Department of Prenatal Diagnosis, Affiliated Obstetrics and Gynecology Hospital with Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Jing Zhou
- State Key Laboratory of Reproductive Medicine, Department of Prenatal Diagnosis, Affiliated Obstetrics and Gynecology Hospital with Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - An Liu
- State Key Laboratory of Reproductive Medicine, Department of Prenatal Diagnosis, Affiliated Obstetrics and Gynecology Hospital with Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Fengchang Qiao
- State Key Laboratory of Reproductive Medicine, Department of Prenatal Diagnosis, Affiliated Obstetrics and Gynecology Hospital with Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Dingyuan Ma
- State Key Laboratory of Reproductive Medicine, Department of Prenatal Diagnosis, Affiliated Obstetrics and Gynecology Hospital with Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Ping Hu
- State Key Laboratory of Reproductive Medicine, Department of Prenatal Diagnosis, Affiliated Obstetrics and Gynecology Hospital with Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Zhengfeng Xu
- State Key Laboratory of Reproductive Medicine, Department of Prenatal Diagnosis, Affiliated Obstetrics and Gynecology Hospital with Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
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