Purpose : The purpose of this study was to evaluate the effect of amino acid mixtures on incidence and severity of total parenteral nutrition associated-cholestasis(PNAC) in very low birth weight infants. Methods : Retrospective review of 63 very low birth weight infants(birth weight ${\leq}1,500g$) who received total parenteral nutrition(TPN) in our neonatal intensive care unit from January 2000 to December 2004 was performed. Patients were divided into 2 groups : Group I(n=32, Jan 2000-Jun 2002) and Group II(n=31, Jul 2002-Dec 2004), where infants in Group II received taurine and glutamic acid-rich amino acid mixtures. PNAC was defined as serum direct bilirubin(DB) level greater than 2.0 mg/dL. The incidence and severity of PNAC were compared between these groups. Results : The incidence of PNAC was significantly lower in Group II than in Group I(21.9% vs 6.5%, P<0.148). Maximum and mean DB levels were also significantly lower in Group II(P<0.05). Conclusion : The incidence and severity of PNAC in very low birth weight infants may be reduced with different composition of amino acid mixtures in TPN. Further prospective randomized controlled studies are needed to determine an ideal composition of acid mixtures to prevent the development of PNAC.
Jeon, Ga Won;Park, Sung Eun;Choi, Chang Won;Hwang, Jong Hee;Chang, Yun Sil;Park, Won Soon
Clinical and Experimental Pediatrics
/
v.48
no.7
/
pp.711-715
/
2005
Purpose : With the recent improved survival of extremely low birth weight infants(ELBWI), enteral feeding has become a major issue. This study investigates the effects of early enteral feeding in ELBWI on their morbidity, duration of hospitalization, and mortality. Methods : ELBWI admitted to the neonatal intensive care unit at Samsung Medical Center from November 1994 to April 2004 who survived more than 14 days were enrolled. ELBWI were divided into two groups : an early feeding group(EF), in which enteral feeding was started within 3 days after birth; and a late feeding group(LF), in which enteral feeding was started beyond 3 days after birth. 80 ELBWI came under EF, and 131 ELBWI under LF. Results : Birth weight and gestational age did not differ between the two groups. In EF, the time to achieve full enteral feeding and the duration of parenteral nutrition were significantly shorter than in LF. The incidence of bronchopulmonary dysplasia was significantly lower in EF, but the incidences of sepsis, necrotizing enterocolitis, and cholestasis were not different between the two groups. There was no difference in the survival rate between the two groups, but the duration of hospitalization was significantly shorter in EF. Conclusion : Early enteral feeding in ELBWI did not increase the incidence of necrotizing enterocolitis and sepsis, but rather decreased the incidence of bronchopulmonary dysplasia and shortened the duration of hospitalization.
Ma, Tae Ho;Kim, Kyung Ah;Ko, Sun Young;Lee, Yeon Kyung;Shin, Son Moon
Clinical and Experimental Pediatrics
/
v.49
no.1
/
pp.29-33
/
2006
Purpose : The aim of this study was to analyze the results and contributing factors of catch-up growth in very low birth weight infants(VLBWI) at the corrected age of 2 years. In addition, we looked for a relationship between the catch-up growth and the development by the bayley scales of infant development II(BSID II). Methods : A retrospective analysis by evaluating medical records was done for the 76 VLBWI whose follow-up was possible up to a corrected age of 2 years, out of the 114 who had been treated in the neonatal intensive care unit during the January of 2000 to December of 2001 at Samsung Cheil Hospital. Based on the Standard Korean Infant's Growth Curve, the catch-up growth group was defined over the 10th percentile of weight at 2 years as the corrected age and the failed catch-up growth group was defined under the 10th percentile. We investigated the clinical factors and courses of each group and compared the scores of the BSID II. Results : The catch-up growth group of the VLBWI was 51 infants and the failed catch-up growth group was 25 infants. In comparison with maternal clinical factors, use of antenatal steroids was significantly higher in the catch-up growth group. In comparisn with clinical factors and courses of VLBWI, two clinical factors were significantly different between the two groups : birth weight and intrauterine growth retardation(IUGR). Numbers of delayed development were increased in the failed catch-up growth group but statistically significant differences could not be observed. Conclusion : The catch-up growth of the VLBWI was affected by the use of antenatal steroids, birth weight and IUGR. No significant differences regarding neurodevelopmental outcome were observed between the catch-up and failed catch-up growth groups.
A clinical study was made on 365 low birth weight infant and 406 normal birth weight infant who had been born at Kangnam St. mary's Hospital during past 3 years from Jan. 1, 1995 to Dec. 31, 1997. the data of this study were gathered through reviewing of medical records. 1. Comparison of general characteristic with of obstetric characteristic 1) Old maternal age, previous abortion and previous LBWI delivery in the group of low birth weight infant(LBWI) mother were more prevalent than those in the group of normal birth weight infant(NBWI)mother 2) Cesarean section, abnormal presentation and multiple pregnancy in the group of LBWI mother were prevalent than those in the group of NBWI mother. 3) regular antenartal care and visiting rate of tertiary hospital in the group of LBWI mother were more prevalent than those in the group of NBWI mother. 2. Frequency of low birth weight infant 1) Anmual average frequency of LBWI was 6.5% and monthly frequency was the highest in January and december. 2) The frequency of LBWI was the highest in 37-40wks of gestational age and was the highest in 2251-2500 gm of birth weight. 3) The frequency of congenital anomaly in the group of LBWI was more prevalent than that of NBWI. 3. Mortality rate of LBWI The mortality rate of LBWI was 9.2%. The highest mortality rate was noted before 27wks of gestational age, less than 1000gm of birth weight and within 12hrs of delivery. 4. The most common complication of pregnant women was pre-term labor, the most complication relating to placenta was premature rupture of membrane(PROM) and the most fetal complication was fetal distress in delivered LBWI. 5. Significant relating factors of low birth weight infant delivery were associated with maternal age, previous delivery, previous low birth weight delivery, pre-eclampsia, anemia, oligohydramnios, PROM, placenta previa, abruptio placenta, fetal sex, fetal distress and congenital anomaly.
Ha, Kee Soo;Shin, Jung Yeon;Hwang, Mi Jung;Choi, Young Ok;Shin, Dong Han;Jang, Gi Young;Choi, Byung Min;Yoo, Kee Hwan;Hong, Young Sook;Son, Chang Sung
Clinical and Experimental Pediatrics
/
v.49
no.8
/
pp.902-905
/
2006
We report a case in which routine chest roentgenograms of an 840 g infant led to the belief that the peripherally inserted central catheter (PICC) was appropriately positioned within the superior vena cava when, in actuality, it was within the azygous arch. Although many cases of pleural effusions have been reported to be caused by a central venous catheter, a right-sided hydrothorax caused by azygous vein rupture from the use of a PICC is an extremely rare complication. Sudden changes in the condition of a preterm infant with PICC should raise the suspicion of a catheter-related problem.
Kim, Sung-Hye;Shim, Jae-Won;Chang, Yun-Shil;Yang, Soon-Ha;Park, Kwan-Hyeun;Jin, Dong-Kyu;Park, Won-Soon
Clinical and Experimental Pediatrics
/
v.45
no.8
/
pp.1038-1042
/
2002
We present a case of in-utero vesicoamniotic shunting and postnatal vesicostomy in a very low birth weight baby with posterior urethral valve syndrome. He was diagnosed as posterior urethral valve at $24^{+5$ weeks' gestation. Because of severe hydronephrosis and oligohydroamnios, the shunt was established by basket-shaped catheter at $27^{+0}$ weeks' gestation. After shunt, hydronephrosis improved. At $29^{+4}$ weeks' gestation, the shunt catheter escaped from its position and severe urinary ascites and hydronephrosis developed. At 30 weeks' gestation, the baby was born and showed elevated BUN and creatinine. On the 10th day of birth, vesicostomy was done for urinary drainage. Thereafter, the baby has been followed up for 10 months and has had recurrent episodes of urinary infection. We report the case with a brief review of literature.
Jeon, Ga Won;Kim, Myo Jing;Kim, Sung Shin;Shim, Jae Won;Chang, Yun Sil;Park, Won Soon;Lee, Mun Hyang
Clinical and Experimental Pediatrics
/
v.50
no.11
/
pp.1067-1071
/
2007
Purpose : The aim of this study was to determine whether improved survival of extremely low birth weight infants (ELBWI) was associated with decreased neurodevelopmental disability later in life, and also to identify the factors influencing this disability. Methods : ELBWI admitted to the neonatal intensive care unit of Samsung Medical Center, survived, and followed up until the corrected age of 18 months were enrolled. They were divided into two groups according to admission time: period I (1994-1999, n=36) and period II (2000-2004, n=98). Clinical data were collected retrospectively from the medical records. Results : Survival rates increased from 60.0% to 74.7%, cerebral palsy rates decreased from 22.2% to 8.2% and catch-up growth rate increased from 25.0% to 51.0% during period I and II. Despite less gestational age and birth weight, ELBWI during period II had less periventricular leukomalacia (PVL), sepsis and bronchopulmonary dysplasia compared to period I. The highest risk factors for cerebral palsy were intraventricular hemorrhage (IVH) (${\geq}$Grade III), failure of catch-up growth and PVL. Conclusion : In summary, improved viability was associated with decreased neurodevelopmental disability in ELBWI. Improved neonatal care with resultant decrease in PVL and IVH, and better nutritional support seem to be primarily responsible for this improved outcome.
Choi, Chang Won;Park, Sung Eun;Jeon, Ga Won;Yoo, Eun Jung;Hwang, Jong Hee;Chang, Yun Sil;Park, Won Soon
Clinical and Experimental Pediatrics
/
v.48
no.5
/
pp.488-494
/
2005
Purpose : To outline the aspects of extubation by birth weight and find the predictors for success/failure at the first extubation in extremely low birth weight infants. Methods : One hundred thirteen extremely low birth weight infants(<1,000 g) who were admitted to NICU at Samsung Seoul Hospital between Jan. 2000 and Jun. 2004 were enrolled. Clinical characteristics that are thought to be related with extubation success or failure were compared with the success and the failure of the first extubation. Results : As the birth weight decreased, extubation success day was significantly delayed : $16{\pm}3day(d)$ in 900-999 g; $20{\pm}3d$ in 800-899 g; $35{\pm}4d$ in 700-799 g; $37{\pm}9d$ in 600-699 g; $49{\pm}12d$ in ${\leq}599g$. 25 out of 113 infants(22%) failed the first extubation. Preterm premature rupture of membrane was associated with extubation success, and air leak was associated with extubation failure, with a borderline significance. Postnatal and corrected age and body weight at the first extubation, nutritional status, and ventilator settings were not associated with extubation success or failure. Extubation success day was significantly delayed, and the incidence of late-onset sepsis and mortality was significant higher in the failure of the first extubation. Conclusion : We could not find significant predictors for success/failure at the first extubation. The failure of the first extubation had an increased risk of late-onset sepsis and death. Further studies are needed to find the predictors for extubation success/failure.
Lee, Hak Sung;Lee, Sae Kyu;Kim, Yeong Jin;Lee, Sang Geel
Clinical and Experimental Pediatrics
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v.48
no.12
/
pp.1330-1336
/
2005
Purpose : It has been suggested that changes in cerebral blood flow by ventilator care could be a risk factor in periventricular leukomalacia(PVL) and severe periventricular-intraventricular hemorrhage(PV-IVH). The study aims to assess the relationship between perinatal clinical events, including ventilator care, and the development of PVL and severe PV-IVH; especially, whether ventilator care could be causers of PVL and severe PV-IVH as an individual risk factor. Methods : Among 255 very low birth weight infants who survived in the Fatima neonatal intensive care unit from January 1999 to December 2003, 15 infants with PVL and eight infants with severe PV-IVH were classified as a study group, while 231 infants were enrolled as a control group. The analysis was performed retrospectively with medical records. Results : Twenty four infants were diagnosed with PVL or severe PV-IVH. Asphyxia, recurrent apnea, sepsis, acidosis and ventilator care were significantly increased in the PVL goup. Asphyxia, recurrent apnea, RDS, acidosis and ventilator care were significantly increased in the severe PV-IVH group. Conclusion : Infants with PVL or severe PV-IVH may have multiple perinatal risk factors including asphyxia, recurrent apnea, sepsis, acidosis, RDS and ventilator care. Because most patients with ventilator care have multiple perinatal risk factors, ventilator care does not cause PVL and severe PV-IVH independently. Therefore, incidences of PVL and severe PV-IVH can be decreased by not only gentle ventilation, but also more professional antenatal care.
Purpose: Recently, the incidence of preterm and low birth weight infants (LBWI) is increasing, even though the birth rate is continuously low in Korea. Despite that change, there continues to be a deficit of beds in the neonatal intensive care unit (NICU). This study is based on the 2009 Korean Statistical Information Service that examined the development of a Korean NICU service and the survival rate of preterm infants by regionally analyzing the rate of total live births, preterm infants, LBWI, and NICU beds in Korea. Methods: Data were obtained from the Korean Health Insurance Review and Assessment Service and Korean Statistical Information Service. We confirmed the regional total live birth rate, number of LBWI, and preterm infants and NICU numbers, and all of the results were compared to the average value to determine deficient areas of NICU beds. Results: There were 25,374 (5.7%) preterm infants and 21,954 (4.9%) LBWI in the total number of live births (444,849) in 2009, and regions of high proportion compared to the mean value were Busan, Daegu, and Ulsan. Total NICU beds totaled 1,284, and regions of high rates preterm infants and LBWI per 1 NICU bed compared to the mean value were Incheon, Daegu, Ulsan, etc. The NICU holding rate was 87.5% (1,284/1,468), which was increased from 2005. However, there were still shortages of 184 NICU beds (12.5%), especially in Gyeonggi-do, which lacked 157 beds. Conclusion: High risk neonates difficult to transfer, and they need immediate and continuous treatment. As a result, a foundation of well-balanced, national NICU regionalization is necessary. This study suggested that more NICU facilities must be implemented, and clinicians should realize the continuing deficiency of NICU beds in cities and provinces.
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