Neonatal reticulocytes among preterm infants of small for gestational age

Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variable...
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Autor*in:	Takahashi, Yui [verfasserIn] Kanai, Yuji [verfasserIn] Chishiki, Mina [verfasserIn] Goto, Aya [verfasserIn] Imamura, Takashi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	early postnatal period preterm infant reticulocyte counts small for gestational age

Übergeordnetes Werk:	Enthalten in: Pediatrics and neonatology - [Singapore] : Elsevier, 2008, 63, Seite 462-467
Übergeordnetes Werk:	volume:63 ; pages:462-467

DOI / URN:	10.1016/j.pedneo.2022.01.010

Katalog-ID:	ELV008463255

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245	1	0	\|a Neonatal reticulocytes among preterm infants of small for gestational age
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520			\|a Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. Moreover, a lower reticulocyte count among preterm infants born SGA may be an indicator of good adaptation to the extra-uterine environment during the early postnatal period.
650		4	\|a early postnatal period
650		4	\|a preterm infant
650		4	\|a reticulocyte counts
650		4	\|a small for gestational age
700	1		\|a Kanai, Yuji \|e verfasserin \|4 aut
700	1		\|a Chishiki, Mina \|e verfasserin \|4 aut
700	1		\|a Goto, Aya \|e verfasserin \|0 (orcid)0000-0002-7927-7648 \|4 aut
700	1		\|a Imamura, Takashi \|e verfasserin \|4 aut
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matchkey_str	article:22121692:2022----::entleiuoyeaogrtrifnsfmlf
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allfields	10.1016/j.pedneo.2022.01.010 doi (DE-627)ELV008463255 (ELSEVIER)S1875-9572(22)00095-X DE-627 ger DE-627 rda eng 610 DE-600 44.67 bkl Takahashi, Yui verfasserin aut Neonatal reticulocytes among preterm infants of small for gestational age 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. Moreover, a lower reticulocyte count among preterm infants born SGA may be an indicator of good adaptation to the extra-uterine environment during the early postnatal period. early postnatal period preterm infant reticulocyte counts small for gestational age Kanai, Yuji verfasserin aut Chishiki, Mina verfasserin aut Goto, Aya verfasserin (orcid)0000-0002-7927-7648 aut Imamura, Takashi verfasserin aut Enthalten in Pediatrics and neonatology [Singapore] : Elsevier, 2008 63, Seite 462-467 Online-Ressource (DE-627)573750971 (DE-600)2441821-3 (DE-576)284750166 2212-1692 nnns volume:63 pages:462-467 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 44.67 Kinderheilkunde AR 63 462-467
spelling	10.1016/j.pedneo.2022.01.010 doi (DE-627)ELV008463255 (ELSEVIER)S1875-9572(22)00095-X DE-627 ger DE-627 rda eng 610 DE-600 44.67 bkl Takahashi, Yui verfasserin aut Neonatal reticulocytes among preterm infants of small for gestational age 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. Moreover, a lower reticulocyte count among preterm infants born SGA may be an indicator of good adaptation to the extra-uterine environment during the early postnatal period. early postnatal period preterm infant reticulocyte counts small for gestational age Kanai, Yuji verfasserin aut Chishiki, Mina verfasserin aut Goto, Aya verfasserin (orcid)0000-0002-7927-7648 aut Imamura, Takashi verfasserin aut Enthalten in Pediatrics and neonatology [Singapore] : Elsevier, 2008 63, Seite 462-467 Online-Ressource (DE-627)573750971 (DE-600)2441821-3 (DE-576)284750166 2212-1692 nnns volume:63 pages:462-467 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 44.67 Kinderheilkunde AR 63 462-467
allfields_unstemmed	10.1016/j.pedneo.2022.01.010 doi (DE-627)ELV008463255 (ELSEVIER)S1875-9572(22)00095-X DE-627 ger DE-627 rda eng 610 DE-600 44.67 bkl Takahashi, Yui verfasserin aut Neonatal reticulocytes among preterm infants of small for gestational age 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. Moreover, a lower reticulocyte count among preterm infants born SGA may be an indicator of good adaptation to the extra-uterine environment during the early postnatal period. early postnatal period preterm infant reticulocyte counts small for gestational age Kanai, Yuji verfasserin aut Chishiki, Mina verfasserin aut Goto, Aya verfasserin (orcid)0000-0002-7927-7648 aut Imamura, Takashi verfasserin aut Enthalten in Pediatrics and neonatology [Singapore] : Elsevier, 2008 63, Seite 462-467 Online-Ressource (DE-627)573750971 (DE-600)2441821-3 (DE-576)284750166 2212-1692 nnns volume:63 pages:462-467 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 44.67 Kinderheilkunde AR 63 462-467
allfieldsGer	10.1016/j.pedneo.2022.01.010 doi (DE-627)ELV008463255 (ELSEVIER)S1875-9572(22)00095-X DE-627 ger DE-627 rda eng 610 DE-600 44.67 bkl Takahashi, Yui verfasserin aut Neonatal reticulocytes among preterm infants of small for gestational age 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. Moreover, a lower reticulocyte count among preterm infants born SGA may be an indicator of good adaptation to the extra-uterine environment during the early postnatal period. early postnatal period preterm infant reticulocyte counts small for gestational age Kanai, Yuji verfasserin aut Chishiki, Mina verfasserin aut Goto, Aya verfasserin (orcid)0000-0002-7927-7648 aut Imamura, Takashi verfasserin aut Enthalten in Pediatrics and neonatology [Singapore] : Elsevier, 2008 63, Seite 462-467 Online-Ressource (DE-627)573750971 (DE-600)2441821-3 (DE-576)284750166 2212-1692 nnns volume:63 pages:462-467 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 44.67 Kinderheilkunde AR 63 462-467
allfieldsSound	10.1016/j.pedneo.2022.01.010 doi (DE-627)ELV008463255 (ELSEVIER)S1875-9572(22)00095-X DE-627 ger DE-627 rda eng 610 DE-600 44.67 bkl Takahashi, Yui verfasserin aut Neonatal reticulocytes among preterm infants of small for gestational age 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. Moreover, a lower reticulocyte count among preterm infants born SGA may be an indicator of good adaptation to the extra-uterine environment during the early postnatal period. early postnatal period preterm infant reticulocyte counts small for gestational age Kanai, Yuji verfasserin aut Chishiki, Mina verfasserin aut Goto, Aya verfasserin (orcid)0000-0002-7927-7648 aut Imamura, Takashi verfasserin aut Enthalten in Pediatrics and neonatology [Singapore] : Elsevier, 2008 63, Seite 462-467 Online-Ressource (DE-627)573750971 (DE-600)2441821-3 (DE-576)284750166 2212-1692 nnns volume:63 pages:462-467 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 44.67 Kinderheilkunde AR 63 462-467
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Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. 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author	Takahashi, Yui
spellingShingle	Takahashi, Yui ddc 610 bkl 44.67 misc early postnatal period misc preterm infant misc reticulocyte counts misc small for gestational age Neonatal reticulocytes among preterm infants of small for gestational age
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topic_title	610 DE-600 44.67 bkl Neonatal reticulocytes among preterm infants of small for gestational age early postnatal period preterm infant reticulocyte counts small for gestational age
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title	Neonatal reticulocytes among preterm infants of small for gestational age
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title_full	Neonatal reticulocytes among preterm infants of small for gestational age
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title_sort	neonatal reticulocytes among preterm infants of small for gestational age
title_auth	Neonatal reticulocytes among preterm infants of small for gestational age
abstract	Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. Moreover, a lower reticulocyte count among preterm infants born SGA may be an indicator of good adaptation to the extra-uterine environment during the early postnatal period.
abstractGer	Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. Moreover, a lower reticulocyte count among preterm infants born SGA may be an indicator of good adaptation to the extra-uterine environment during the early postnatal period.
abstract_unstemmed	Background: We previously reported that higher reticulocyte counts were observed in earlier preterm infants. Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. Moreover, a lower reticulocyte count among preterm infants born SGA may be an indicator of good adaptation to the extra-uterine environment during the early postnatal period.
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title_short	Neonatal reticulocytes among preterm infants of small for gestational age
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author2	Kanai, Yuji Chishiki, Mina Goto, Aya Imamura, Takashi
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up_date	2024-07-06T19:47:07.666Z
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Here we present an additional study that focused on reticulocyte counts among preterm infants of small for gestational age (SGA). To assess the relationship between SGA and perinatal variables during the early postnatal period.Methods: A single-center study was undertaken at Ohta Nishinouchi Hospital between April 1, 2016 and June 30, 2021, using blood samples prospectively collected from infants admitted to the neonatal intensive care unit. These were assessed by univariate analysis and multivariate logistic regression analysis.Results: A total of 467 preterm infants were analyzed, 367 (78.6%) non-SGA and 100 (21.4%) SGA. The median [interquartile range (IQR)] GA (weeks) for the two groups was 33 (31–35) and 34 (31–36), respectively (p = 0.058). The median (IQR) BW (g) for the two groups was 1888 (1480 to 2195) and 1381 (1019 to 1782), respectively (p < 0.001). There were significant relationships between SGA and BW (p < 0.001, OR, 0.997; 95% CI, 0.996 to 0.998), umbilical artery pH (p = 0.038, OR, 0.031; 95% CI, 0.010 to 0.827), Apgar at 5 min (p < 0.001, OR, 1.816; 95% CI, 1.301 to 2.536), nucleated erythrocyte count (p = 0.027, OR, 1.013; 95% CI, 1.001 to 1.024), reticulocyte count (p < 0.001, OR, 0.992; 95% CI, 0.988 to 0.995) and chorioamnionitis (p = 0.019, OR, 0.427; 95% CI, 0.210 to 0.868).Conclusion: These results suggest that preterm infants with SGA adapted more rapidly to the postnatal environment than did non-SGA preterm infants. 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