Influential and prognostic factors of small for gestational age infants
Background Small for gestational age （SGA） infants are associated with a high rate of oligohydramnios, stillbirth and cesarean delivery. Among SGA patients there is a higher risk of neonatal complications, such as polycythemia, hyperbilirubinemia, and hypothermia. Additionally, the SGA infant is pro...
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| Veröffentlicht in: | Chinese medical journal 2009-02, Vol.122 (4), p.386-389 |
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| description | Background Small for gestational age （SGA） infants are associated with a high rate of oligohydramnios, stillbirth and cesarean delivery. Among SGA patients there is a higher risk of neonatal complications, such as polycythemia, hyperbilirubinemia, and hypothermia. Additionally, the SGA infant is prone to suffer from major neurologic sequelae, as well as cardiovascular system disease, in later life. Proper monitoring and therapy during pregnancy are, therefore, of utmost importance. The present study aimed to investigate the influential and prognostic factors of SGA infants.
Methods From January 2001 to June 2007, a total of 55 SGA neonatal infants were included in a study group. All were born at Peking Union Medical College Hospital, with regular formal antenatal examinations. In addition, a total of 122 cases of appropriate for gestational age （AGA） infants were born at the same time and were registered into a control group. All cases were singleton pregnancies with detailed information of the maternal age, gravidity, parity, maternal height and weight, complications, uterine height and abdominal circumference, results from transabdominal ultrasonography between 32-38 gestational weeks, pregnancy duration, delivery manner, placenta, umbilical cord, and neonatal complications.Results Significant differences were observed in placenta weight and neonatal malformations between the study and control groups. Multivariate analysis revealed increased parity, maternal hyperthyroidism and hyperthyroidism history as risk factors. Fetal abdominal circumferences less than 30 and 32 cm at 32-38 gestational weeks respectively, as determined by ultrasonography, resulted in a Youden index of 0.62.
Conclusions SGA infants were associated with a greater risk of smaller placentas and infant malformations. Increased parity, maternal hyperthyroidism, and a hyperthyroid history were risk factors for SGA infants. Fetal abdominal circumference less than 30 cm at 32 gestational weeks and less than 32 cm at 38 weeks, as determined by ultrasonograohy, was considered an effective index for SGA. |
| doi_str_mv | 10.3760/cma.j.issn.0366-6999.2009.04.006 |
| format | Article |
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Methods From January 2001 to June 2007, a total of 55 SGA neonatal infants were included in a study group. All were born at Peking Union Medical College Hospital, with regular formal antenatal examinations. In addition, a total of 122 cases of appropriate for gestational age （AGA） infants were born at the same time and were registered into a control group. All cases were singleton pregnancies with detailed information of the maternal age, gravidity, parity, maternal height and weight, complications, uterine height and abdominal circumference, results from transabdominal ultrasonography between 32-38 gestational weeks, pregnancy duration, delivery manner, placenta, umbilical cord, and neonatal complications.Results Significant differences were observed in placenta weight and neonatal malformations between the study and control groups. Multivariate analysis revealed increased parity, maternal hyperthyroidism and hyperthyroidism history as risk factors. Fetal abdominal circumferences less than 30 and 32 cm at 32-38 gestational weeks respectively, as determined by ultrasonography, resulted in a Youden index of 0.62.
Conclusions SGA infants were associated with a greater risk of smaller placentas and infant malformations. Increased parity, maternal hyperthyroidism, and a hyperthyroid history were risk factors for SGA infants. Fetal abdominal circumference less than 30 cm at 32 gestational weeks and less than 32 cm at 38 weeks, as determined by ultrasonograohy, was considered an effective index for SGA.</description><identifier>ISSN: 0366-6999</identifier><identifier>EISSN: 2542-5641</identifier><identifier>DOI: 10.3760/cma.j.issn.0366-6999.2009.04.006</identifier><identifier>PMID: 19302741</identifier><language>eng</language><publisher>China: Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China</publisher><subject>Adult ; Case-Control Studies ; Congenital Abnormalities - diagnosis ; Congenital Abnormalities - physiopathology ; Female ; Gestational Age ; Humans ; Hyperthyroidism - complications ; Hyperthyroidism - physiopathology ; Infant, Newborn ; Infant, Small for Gestational Age ; Multivariate Analysis ; Placenta - diagnostic imaging ; Placenta - pathology ; Pregnancy ; Risk Factors ; Ultrasonography, Prenatal ; 产妇年龄 ; 小于胎龄儿 ; 新生儿并发症 ; 新生婴儿 ; 甲状腺功能亢进症 ; 红细胞增多症 ; 经腹超声检查 ; 预后因素</subject><ispartof>Chinese medical journal, 2009-02, Vol.122 (4), p.386-389</ispartof><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c382t-c80fcfdb14d04616097a55e713706bc94e18b052db23a65a7b14de3e8fad57a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85656X/85656X.jpg</thumbnail><link.rule.ids>314,780,784,864,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19302741$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Yong-li</creatorcontrib><creatorcontrib>Liu, Jun-tao</creatorcontrib><creatorcontrib>Gao, Jin-song</creatorcontrib><creatorcontrib>Yang, Jian-qiu</creatorcontrib><creatorcontrib>Bian, Xu-ming</creatorcontrib><title>Influential and prognostic factors of small for gestational age infants</title><title>Chinese medical journal</title><addtitle>Chinese Medical Journal</addtitle><description>Background Small for gestational age （SGA） infants are associated with a high rate of oligohydramnios, stillbirth and cesarean delivery. Among SGA patients there is a higher risk of neonatal complications, such as polycythemia, hyperbilirubinemia, and hypothermia. Additionally, the SGA infant is prone to suffer from major neurologic sequelae, as well as cardiovascular system disease, in later life. Proper monitoring and therapy during pregnancy are, therefore, of utmost importance. The present study aimed to investigate the influential and prognostic factors of SGA infants.
Methods From January 2001 to June 2007, a total of 55 SGA neonatal infants were included in a study group. All were born at Peking Union Medical College Hospital, with regular formal antenatal examinations. In addition, a total of 122 cases of appropriate for gestational age （AGA） infants were born at the same time and were registered into a control group. All cases were singleton pregnancies with detailed information of the maternal age, gravidity, parity, maternal height and weight, complications, uterine height and abdominal circumference, results from transabdominal ultrasonography between 32-38 gestational weeks, pregnancy duration, delivery manner, placenta, umbilical cord, and neonatal complications.Results Significant differences were observed in placenta weight and neonatal malformations between the study and control groups. Multivariate analysis revealed increased parity, maternal hyperthyroidism and hyperthyroidism history as risk factors. Fetal abdominal circumferences less than 30 and 32 cm at 32-38 gestational weeks respectively, as determined by ultrasonography, resulted in a Youden index of 0.62.
Conclusions SGA infants were associated with a greater risk of smaller placentas and infant malformations. Increased parity, maternal hyperthyroidism, and a hyperthyroid history were risk factors for SGA infants. Fetal abdominal circumference less than 30 cm at 32 gestational weeks and less than 32 cm at 38 weeks, as determined by ultrasonograohy, was considered an effective index for SGA.</description><subject>Adult</subject><subject>Case-Control Studies</subject><subject>Congenital Abnormalities - diagnosis</subject><subject>Congenital Abnormalities - physiopathology</subject><subject>Female</subject><subject>Gestational Age</subject><subject>Humans</subject><subject>Hyperthyroidism - complications</subject><subject>Hyperthyroidism - physiopathology</subject><subject>Infant, Newborn</subject><subject>Infant, Small for Gestational Age</subject><subject>Multivariate Analysis</subject><subject>Placenta - diagnostic imaging</subject><subject>Placenta - pathology</subject><subject>Pregnancy</subject><subject>Risk Factors</subject><subject>Ultrasonography, Prenatal</subject><subject>产妇年龄</subject><subject>小于胎龄儿</subject><subject>新生儿并发症</subject><subject>新生婴儿</subject><subject>甲状腺功能亢进症</subject><subject>红细胞增多症</subject><subject>经腹超声检查</subject><subject>预后因素</subject><issn>0366-6999</issn><issn>2542-5641</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkMtq3TAURUVoSW7T_kIxHZRM7B69rVlLaB4Q6CRzIcuSI9eWEsumpF9fi3tpRposztpaCF1haKgU8M3OphmbkHNsgApRC6VUQwBUA6wBEGfoQDgjNRcMv0OH_8wF-pDzCEA4l-IcXWBFgUiGD-j2Pvppc3ENZqpM7KvnJQ0x5TXYyhu7piVXyVd5NtNU-bRUg8urWUOKhR9cFaI3cc0f0Xtvpuw-nd5L9Hjz8_H6rn74dXt__eOhtrQla21b8Nb3HWY9MIEFKGk4dxJTCaKzijncdsBJ3xFqBDeykI661pueS0Mv0dfj2T-meAc9pm3Zp2T998nOY0kBbA_xBu7_edn2zXoO2bppMtGlLWshdwtrC_j9CNol5bw4r5-XMJvlVWPQJbreo-tRl-i6BNUlqC4mDUwfXZ9Prq2bXf924FR5B76cHE8pDi9h390Z-9uHyWmihGhBtfQfKGqM0g</recordid><startdate>20090220</startdate><enddate>20090220</enddate><creator>Zhang, Yong-li</creator><creator>Liu, Jun-tao</creator><creator>Gao, Jin-song</creator><creator>Yang, Jian-qiu</creator><creator>Bian, Xu-ming</creator><general>Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W91</scope><scope>~WA</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20090220</creationdate><title>Influential and prognostic factors of small for gestational age infants</title><author>Zhang, Yong-li ; Liu, Jun-tao ; Gao, Jin-song ; Yang, Jian-qiu ; Bian, Xu-ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c382t-c80fcfdb14d04616097a55e713706bc94e18b052db23a65a7b14de3e8fad57a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Adult</topic><topic>Case-Control Studies</topic><topic>Congenital Abnormalities - diagnosis</topic><topic>Congenital Abnormalities - physiopathology</topic><topic>Female</topic><topic>Gestational Age</topic><topic>Humans</topic><topic>Hyperthyroidism - complications</topic><topic>Hyperthyroidism - physiopathology</topic><topic>Infant, Newborn</topic><topic>Infant, Small for Gestational Age</topic><topic>Multivariate Analysis</topic><topic>Placenta - diagnostic imaging</topic><topic>Placenta - pathology</topic><topic>Pregnancy</topic><topic>Risk Factors</topic><topic>Ultrasonography, Prenatal</topic><topic>产妇年龄</topic><topic>小于胎龄儿</topic><topic>新生儿并发症</topic><topic>新生婴儿</topic><topic>甲状腺功能亢进症</topic><topic>红细胞增多症</topic><topic>经腹超声检查</topic><topic>预后因素</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Yong-li</creatorcontrib><creatorcontrib>Liu, Jun-tao</creatorcontrib><creatorcontrib>Gao, Jin-song</creatorcontrib><creatorcontrib>Yang, Jian-qiu</creatorcontrib><creatorcontrib>Bian, Xu-ming</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-医药卫生</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Chinese medical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Yong-li</au><au>Liu, Jun-tao</au><au>Gao, Jin-song</au><au>Yang, Jian-qiu</au><au>Bian, Xu-ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influential and prognostic factors of small for gestational age infants</atitle><jtitle>Chinese medical journal</jtitle><addtitle>Chinese Medical Journal</addtitle><date>2009-02-20</date><risdate>2009</risdate><volume>122</volume><issue>4</issue><spage>386</spage><epage>389</epage><pages>386-389</pages><issn>0366-6999</issn><eissn>2542-5641</eissn><abstract>Background Small for gestational age （SGA） infants are associated with a high rate of oligohydramnios, stillbirth and cesarean delivery. Among SGA patients there is a higher risk of neonatal complications, such as polycythemia, hyperbilirubinemia, and hypothermia. Additionally, the SGA infant is prone to suffer from major neurologic sequelae, as well as cardiovascular system disease, in later life. Proper monitoring and therapy during pregnancy are, therefore, of utmost importance. The present study aimed to investigate the influential and prognostic factors of SGA infants.
Methods From January 2001 to June 2007, a total of 55 SGA neonatal infants were included in a study group. All were born at Peking Union Medical College Hospital, with regular formal antenatal examinations. In addition, a total of 122 cases of appropriate for gestational age （AGA） infants were born at the same time and were registered into a control group. All cases were singleton pregnancies with detailed information of the maternal age, gravidity, parity, maternal height and weight, complications, uterine height and abdominal circumference, results from transabdominal ultrasonography between 32-38 gestational weeks, pregnancy duration, delivery manner, placenta, umbilical cord, and neonatal complications.Results Significant differences were observed in placenta weight and neonatal malformations between the study and control groups. Multivariate analysis revealed increased parity, maternal hyperthyroidism and hyperthyroidism history as risk factors. Fetal abdominal circumferences less than 30 and 32 cm at 32-38 gestational weeks respectively, as determined by ultrasonography, resulted in a Youden index of 0.62.
Conclusions SGA infants were associated with a greater risk of smaller placentas and infant malformations. Increased parity, maternal hyperthyroidism, and a hyperthyroid history were risk factors for SGA infants. Fetal abdominal circumference less than 30 cm at 32 gestational weeks and less than 32 cm at 38 weeks, as determined by ultrasonograohy, was considered an effective index for SGA.</abstract><cop>China</cop><pub>Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China</pub><pmid>19302741</pmid><doi>10.3760/cma.j.issn.0366-6999.2009.04.006</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Adult Case-Control Studies Congenital Abnormalities - diagnosis Congenital Abnormalities - physiopathology Female Gestational Age Humans Hyperthyroidism - complications Hyperthyroidism - physiopathology Infant, Newborn Infant, Small for Gestational Age Multivariate Analysis Placenta - diagnostic imaging Placenta - pathology Pregnancy Risk Factors Ultrasonography, Prenatal 产妇年龄 小于胎龄儿 新生儿并发症 新生婴儿 甲状腺功能亢进症 红细胞增多症 经腹超声检查 预后因素 |
| title | Influential and prognostic factors of small for gestational age infants |
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