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Lee HM, Shin J, Kim SY, Kim SY. Factors affecting length of stay according to bronchopulmonary dysplasia severity: a nationwide cohort study in Korea. World J Pediatr 2024; 20:470-480. [PMID: 38356035 PMCID: PMC11136859 DOI: 10.1007/s12519-023-00794-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 12/24/2023] [Indexed: 02/16/2024]
Abstract
BACKGROUND Longer hospitalizations for preterm infants with bronchopulmonary dysplasia (BPD) delay developmental outcomes, increase the risk for hospital-acquired complications, and exert a substantial socioeconomic burden. This study aimed to identify factors associated with an extended length of stay (LOS) at different levels of severity of BPD. METHODS A cohort study was conducted using the Korean Neonatal Network registry of very low birth weight infants with BPD between 2013 and 2017 through retrospective analysis. RESULTS A total of 4263 infants were diagnosed with BPD. For mild BPD, infants requiring surgical treatment for patent ductus arteriosus needed a longer LOS [eadjusted β coefficients (adj β) 1.041; 95% confidence interval (CI): 0.01-0.08] and hydrocephalus (eadj β 1.094; 95% CI 0.01-0.17). In moderate BPD, infants administered steroids or with intraventricular hemorrhage required a longer LOS (eadj β 1.041; 95% CI 0.00-0.07 and eadj β 1.271; 95% CI 0.11-0.38, respectively). In severe BPD, infants with comorbidities required a longer LOS: pulmonary hypertension (eadj β 1.174; 95% CI 0.09-0.23), administrated steroid for BPD (eadj β 1.116; 95% CI 0.07-0.14), sepsis (eadj β 1.062; 95% CI 0.01-0.11), patent ductus arteriosus requiring surgical ligation (eadj β 1.041; 95% CI 0.00-0.08), and intraventricular hemorrhage (eadj β 1.016; 95% CI 0.05-0.26). Additionally, the higher the clinical risk index score, the longer the LOS needed for infants in all groups. CONCLUSIONS The factors affecting LOS differed according to the severity of BPD. Individualized approaches to reducing LOS may be devised using knowledge of the various risk factors affecting LOS by BPD severity.
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Affiliation(s)
- Hye Mi Lee
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jeongmin Shin
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sae Yun Kim
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
- Department of Pediatrics, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 10, 63-ro, Yeongdeungpo-gu, Seoul, 07345, Republic of Korea.
| | - So Young Kim
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Dedeoğlu S, Şaşmazel A. Experiences in Patent Ductus Arteriosus Closure of Preterm Infants Transported to Another Center for Surgical Ligation. Turk Arch Pediatr 2023; 58:503-508. [PMID: 37563951 PMCID: PMC10544454 DOI: 10.5152/turkarchpediatr.2023.23066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 07/03/2023] [Indexed: 08/12/2023]
Abstract
OBJECTIVE The timing of surgical patent ductus arteriosus ligation in preterm infants remains controversial. Early ligation (<2 or 3 weeks of life) benefits preterm infants with a lower incidence of bronchopulmonary dysplasia and necrotizing enterocolitis. We present patent ductus arteriosus ligation experience in premature infants who had been transported for closure to an outside centre other than the hospital they were hospitalized. MATERIALS AND METHODS We retrospectively evaluated 17 consecutive patients who had undergone surgery of premature infant patent ductus arteriosus closure during the period of March 2009-December 2020. Patent ductus arteriosus had been clipped in 17 patients. RESULTS The median birth weight and age were 930 g and 28 gestation weeks, respectively. The birth age of the sub-groups were A: ≤28 weeks and B: >28 weeks and birthweight were group I: ≤800 g and group II: >800 g. The median day of PDA ligation wasa 20 days, and patients with birthweight ≤800 g were ligated later than patients weighing >800 g. Two patients had intracranial hemorrhage, 6 had bronchopulmonary dysplasia, and 2 were dead. We found that exposure to large patent ductus arteriosus and low birth age in preterm babies was associated with longer hospitalization duration, preoperative mechanical ventilation time, and sepsis. CONCLUSION Infants exposed to moderate-to-large patent ductus arteriosus requiring intubation and resistant to medical therapy for more than 2 weeks should have surgical ligation as soon as possible.
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Affiliation(s)
- Savaş Dedeoğlu
- Department of Pediatrics, Üsküdar University Faculty of Medicine, İstanbul, Turkey
| | - Ahmet Şaşmazel
- Department of Pediatric Cardiovascular Surgery, Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, İstanbul, Turkey
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Zong H, Huang Y, Huang Z, Zhao J, Lin B, Fu Y, Lin Y, Yu Y, Sun H, Yang C. Lung ultrasound score predicts patent ductus arteriosus ligation among neonates ≤25 weeks. Pediatr Pulmonol 2023; 58:2487-2494. [PMID: 37265422 DOI: 10.1002/ppul.26531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 02/27/2023] [Accepted: 05/24/2023] [Indexed: 06/03/2023]
Abstract
BACKGROUND This prospective study aimed to investigate whether lung ultrasound score (LUSs) can predict the patent ductus arteriosus (PDA) ligation. METHODS Preterm infants ≤25 weeks of gestational age (GA) were enrolled. A lung ultrasound was performed on the 14th day of life. Each lung zone was given a score between 0 and 4. A receiver-operating characteristic (ROC) curve was constructed to evaluate the ability of the LUSs for predicting ligation. RESULTS A total of 81 infants were eligible with a median GA and birth weight (BW) of 25 weeks (24.1-25.2) and 710 g (645-770), respectively. The median time from birth to ligation was 35 days (32-51). Those who underwent ligation had a longer time of mechanical ventilation (34 [26-39] vs. 19 [12-30], p < 0.001), shorter time of noninvasive respiratory support (39 [32-51] vs. 50 [41.5-57], p < 0.01), higher incidence of the bronchopulmonary dysplasia (BPD) (p < 0.01), and severe BPD (p < 0.001). The LUSs had an area under the ROC of 0.96 (95% confidence interval: 0.93-0.99) for the prediction of ligation. A LUSs cutoff of 36 has a sensitivity and specificity of 96% and 86% and positive and negative predictive values of 82% and 98%, respectively. CONCLUSIONS LUSs at an early stage of life can predict PDA ligation in extremely preterm infants. It would be helpful to reduce morbidity by reducing the duration and magnitude of respiratory support.
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Affiliation(s)
- Haifeng Zong
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
| | - Yichu Huang
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
| | - Zhifeng Huang
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
| | - Jie Zhao
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
| | - Bingchun Lin
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
| | - Yongping Fu
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
| | - Yanqing Lin
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
| | - Yanliang Yu
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
| | - Hongyan Sun
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
| | - Chuanzhong Yang
- Department of Neonatology and NICU, Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen, China
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[Timing of surgical ligation of patent ductus arteriosus in very low birth weight infants]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2022; 24:500-506. [PMID: 35644189 PMCID: PMC9154378 DOI: 10.7499/j.issn.1008-8830.2112151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
OBJECTIVES To study the effect of timing of surgical ligation of patent ductus arteriosus (PDA) on the prognosis of very low birth weight infants (VLBWI). METHODS The medical data of VLBWI who underwent transthoracic ligation for PDA from June 2018 to May 2021 were reviewed retrospectively. The infants were divided into early ligation group (≤21 days of age) and late ligation group (>21 days of age) based on the age of ligation. The two groups were compared in terms of perioperative clinical features, complications, and mortality. The risk factors for early surgical ligation were analyzed. RESULTS A total of 72 VLBWI were enrolled, with 19 infants (26%) in the early ligation group and 53 infants (74%) in the late ligation group. There were significant differences in birth weight, gestational age, weight at operation, days of age at operation, rates of preoperative invasive and noninvasive mechanical ventilation, incidence rate of pulmonary hemorrhage, incidence rate of hypotension, preoperative PDA internal diameter (mm/kg), intraoperative PDA external diameter (mm/kg), incidence rate of post-ligation cardiac syndrome, and duration of postoperative invasive mechanical ventilation between the two groups (P<0.05). A binary logistic regression analysis showed that pulmonary hemorrhage was an indication of early surgical ligation of PDA (P<0.05). There were no significant differences in the incidence rates of post-operative complications and the mortality rate between the early ligation and late ligation groups. CONCLUSIONS Early surgical ligation may be performed for VLBWI who are experiencing pulmonary hemorrhage and hemodynamically significant PDA confirmed by cardiac ultrasound after birth. However, post-ligation cardiac syndrome should attract enough attention. In addition, early surgical ligation of PDA does not increase the risk of surgery-related and long-term complications or death, indicating that it is a safe and feasible treatment option.
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Is early patent ductus arteriosus ligation helpful in premature neonates? A 10-year retrospective study. World J Pediatr 2022; 18:350-357. [PMID: 35254623 DOI: 10.1007/s12519-022-00527-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 02/13/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND To compare short and long outcomes between early (≤ 28 days) (EL) and late ligation (LL) groups. To explore factors predicting early extubation (≤ 7 days) after patent ductus arteriosus (PDA) ligation. METHODS We conducted a single center, retrospective cohort study of preterm infants < 32 weeks who underwent surgical ligation over a 10-year period (2009-2019). RESULTS A total of 133 infants underwent PDA ligation, in the study period. Both groups had similar short-term outcome such as bronchopulmonary dysplasia (BPD) or death (96% vs. 98%, P = 0.64) and long-term clinical outcomes including Bayley's assessment at 2 years corrected age. Fewer infants in the EL group developed severe BPD (63% vs. 81%, P = 0.02). Age at ligation had adjusted odds ratio of 1.04 with over lapping confidence interval (95% CI 1.0-1.1, P = 0.02) for severe BPD/death. There was no difference in day of extubation between the EL and LL group (8 days vs. 7 days, P = 0.85). Left atrium/aortic root ratio of ≥ 1.75 would give sensitivity of 41% and 80% specificity for early extubation (area under the curve of 0.61). There was marginal reduction of hospital stay in the EL group [113 (105-121) days vs. 115 (107-123) days; log rank P = 0.026]. CONCLUSION EL can be delivered safely with a clinically important lower incidence of severe BPD and shorter duration of hospital stay compared to LL.
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Chikkabyrappa SM, Chaudhary N, Agarwal A, Rastogi D, Filipov P, Rastogi S. Outcomes among preterm infants with patent ductus arteriosus: Relationship with treatment, gestational age, hemodynamic status and timing of treatment. J Neonatal Perinatal Med 2021; 15:219-227. [PMID: 34719442 DOI: 10.3233/npm-210814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND There remains controversy regarding the outcomes resulting from treatment versus conservative management of patent ductus arteriosus (PDA) among preterm infants. The effects of extreme prematurity, hemodynamic status of the PDA, and age at treatment remain poorly defined. STUDY DESIGN This retrospective case-control study including infants < 1250 gm who were categorized into 3 groups: Group 1: without PDA, Group 2: with untreated PDA, and Group 3: treated PDA. Diagnosis and treatment of PDA extracted from the medical records. Demographics, clinical characteristics, and outcomes compared using chi-square and analysis of variance. Logistic regression used to estimate adjusted odds ratios. RESULTS The study included 734 infants, with 141(19%) in Group 1, 329 (45%) in 2, and 264 (36%) in 3. Group 3 had higher incidence of bronchopulmonary dysplasia (BPD) (aOR, 2.9; 95%CI 1.7-4.8). Infant treated for hemodynamically significant PDA (HSPDA) had higher incidence of BPD (aOR, 1.9; 95%CI 1.0-3.8) and retinopathy of prematurity (ROP) (aOR, 3.4; 95%CI 1.6-6.9). There were no differences in outcome associated with treatment among≤26 weeks gestation and the age when treated. CONCLUSION Infants with PDA who were treated had higher incidence of BPD. Among those who were treated, those with HSPDA had a higher incidence of BPD and ROP.
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Affiliation(s)
| | - N Chaudhary
- Beth Israel Deaconess Medical Center, Harvard University, Boston, MA
| | - A Agarwal
- The Children's Hospital of San Antonio, Baylor College of Medicine, San Antonio, TX
| | - D Rastogi
- Children's National Hospital, George Washington University, Washington, DC
| | - P Filipov
- Maimonides Medical Center, Brooklyn, NY
| | - S Rastogi
- Children's National Hospital, George Washington University, Washington, DC
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Wang H, Jain A, Weisz DE, Moraes TJ. Trends in patent ductus arteriosus ligation in neonates and changes in outcomes: A 10-year multicenter experience. Pediatr Pulmonol 2021; 56:3250-3257. [PMID: 34288596 DOI: 10.1002/ppul.25576] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 07/03/2021] [Accepted: 07/07/2021] [Indexed: 11/09/2022]
Abstract
RATIONALE The management of neonates with patent ductus arteriosus (PDA) has changed over time. METHODS We conducted a single-city, retrospective review of neonates who underwent PDA ligation over a 10-year time period and compared infants from the first 5 years to the second 5 years to evaluate how clinical characteristics changed over this time. RESULTS Infants from the second 5-year epoch were older at time of ligation (38 vs. 30 days), had a higher ligation weight (1432 vs. 1121 g) and a lower incidence of postligation cardiac syndrome (1.9% vs. 11.5%). No differences in mortality, length of hospital-stay or major morbidities were seen. Compared to neonates who underwent PDA ligation at ≤28 days of life, those with a ligation age >28 days had a higher ligation weight (1421 vs. 1039 g), a higher proportion of COX inhibitor use (92.5% vs. 83.8%), and a higher incidence of moderate-severe bronchopulmonary dysplasia (BPD) (60.4% vs. 44.4%). Only 10.7% (25/233) patients were evaluated by laryngoscopy, in which the incidence of vocal cord paralysis (VCP) was 36.0%; 2 patients were clinically diagnosed with VCP for a total 4.7% incidence of VCP (11/233). CONCLUSIONS Over the 10 years examined, neonates underwent PDA ligation at an older age in the second 5-year time period; this change was not associated with a change in the incidence of major morbidities. Ligation age >28 days was associated with an increase incidence of moderate-severe BPD. The overall incidence of documented VCP post-PDA ligation was relatively low but was seen in over 1/3 who were evaluated by laryngoscopy.
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Affiliation(s)
- Huanhuan Wang
- Division of Respiratory Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada.,National Children's Medical Center, Children's Hospital of Fudan University, Shanghai, China
| | - Amish Jain
- Division of Neonatal/Perinatal Medicine, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Dany E Weisz
- Department of Newborn and Developmental Paediatrics, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Theo J Moraes
- Division of Respiratory Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
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