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Zafar A, Hall M. Types of home respiratory support in children with bronchopulmonary dysplasia and factors determining its duration: A scoping review. Pediatr Pulmonol 2024. [PMID: 38197530 DOI: 10.1002/ppul.26848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/13/2023] [Accepted: 12/23/2023] [Indexed: 01/11/2024]
Abstract
Bronchopulmonary dysplasia also known as chronic lung disease of prematurity has changed as a disease entity over the last five decades and children with "new bronchopulmonary dysplasia (BPD)" have better survival rates. This necessitates strategies to prevent severe BPD and provide organized home support. Home respiratory support in these children varies from home oxygen to noninvasive ventilation and tracheostomy ventilation. This review was conducted utilizing Joanna Briggs Institute publications on evidence synthesis and presentation of results for a scoping review. The Preferred Reporting Items for Systematic Review and Meta-Analyses were used to report the results. The risk of bias assessment was done using "The Cochrane Handbook for Systematic Reviews tool for interventional studies." After screening for the duplication of results and applying inclusion and exclusion criteria, twenty-seven studies were assessed by reading the full texts. Out of these, eleven were finally included in this systematic review. The total sample size from all studies was 4794, including 2705 males. The 4/11 studies home oxygen, one study reported continuous positive airway pressure/bilevel positive airway pressure and seven studies used tracheostomy or tracheostomy ventilation. The median duration of post-natal invasive ventilation was higher in those discharged on home oxygen compared to those who did not need oxygen at discharge. There is a significant proportion of children who are tracheostomy ventilated (8.65%) at home. In the absence of established guidelines, these children are vulnerable when it comes to care at home and the timing of decannulation. For home oxygen alone, guidelines by ERS, ATS and BTS have streamlined weaning protocols and the need for having a multi-disciplinary team to care for these children.
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Affiliation(s)
- Adnan Zafar
- Pediatric Pulmonology, John Hopkins Aramco Healthcare, Saudi Arabia
| | - Michael Hall
- Neonatology, University of Southampton, Southampton, UK
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Falconer O, Ivy S, Le Carpentier D, Gavlak J, Liddle N, Senior E, Lowe P, Crowley P, Young A, Johnson MJ, Beattie RM, Evans HJ. Longitudinal pilot study of oxygen saturation indices in healthy preterm infants. Pediatr Res 2023; 94:2062-2069. [PMID: 37542167 PMCID: PMC10665185 DOI: 10.1038/s41390-023-02741-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 06/25/2023] [Accepted: 07/09/2023] [Indexed: 08/06/2023]
Abstract
BACKGROUND This study aimed to determine patterns of nocturnal pulse oximetry indices in moderate to late preterm infants, and investigate the relationship between oxygen desaturations, the apnoea hypopnoea index, and both corrected gestational and postnatal age. METHODS 21 healthy infants born at 32 + 0 - 36 + 6 weeks gestation underwent serial nocturnal pulse oximetry studies and respiratory polygraphy studies until 40 weeks corrected gestational age (CGA). The main outcome measures were number of >3% oxygen desaturations/hour (ODI3), mean oxygen saturations, and number of apnoeas and hypopnoeas/hour. RESULTS Median ODI3 increased between weeks 1 and 3 from 49.9 to 85.4/hour (p = 0.017). Mean oxygen saturations reached a corresponding nadir of 96.0% in week 3, then increased to 96.8% in week 6 (p = 0.019). Mixed effects modelling demonstrated that ODI3 and mean saturations were influenced by postnatal age but not CGA (p < 0.05). Desaturations frequently occurred without an apnoea or hypopnoea. CONCLUSION ODI3 rises then falls during the first 8 weeks of life in moderate to late preterm infants, independently of CGA. These interesting preliminary results highlight the importance of further serial data collection to generate age-specific normal ranges, and develop a better understanding of respiratory control in preterm infants. IMPACT The frequency of >3% oxygen desaturations (ODI3) in healthy moderate to late preterm infants rises then falls after birth, peaking in postnatal week 3. There is a corresponding nadir in mean saturations. There were significant non-linear relationships between ODI3/mean saturations and postnatal age, but not corrected gestational age. The majority of brief oxygen desaturations occurred without an apnoea or hypopnoea. Normal ranges for oxygen saturation indices are not known in this population. These results demonstrate the need for further serial data collection to generate age-specific normal ranges and inform oxygen prescribing guidelines.
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Affiliation(s)
- Olivia Falconer
- Department of Neonatal Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Savannah Ivy
- University of Southampton School of Medicine, Southampton, UK
| | | | - Johanna Gavlak
- Department of Child Health, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Natasha Liddle
- Department of Child Health, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Emily Senior
- Department of Child Health, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Paula Lowe
- Department of Child Health, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Philippa Crowley
- Department of Neonatal Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Aneurin Young
- Department of Neonatal Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
- NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Mark J Johnson
- Department of Neonatal Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
- NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Robert Mark Beattie
- Department of Paediatric Gastroenterology, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Hazel J Evans
- Department of Paediatric Respiratory Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK.
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Fitzgerald DA. The infant with bronchopulmonary dysplasia on home oxygen: The oxygen weaning conundrum in the absence of good evidence. Paediatr Respir Rev 2023; 47:11-15. [PMID: 36822990 DOI: 10.1016/j.prrv.2023.01.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 01/23/2023] [Indexed: 01/26/2023]
Abstract
Bronchopulmonary dysplasia [BPD] is the most common complication of extremely preterm delivery and its optimal management remains challenging because of a lack of evidence to guide management. There has been improvement in the management of evolving BPD in the neonatal intensive care unit (NICU). The threshold for provision of home oxygen therapy, often occurring because of a preference for earlier discharge from the NICU, creates tensions for clincians and families. Once discharged in supplemental oxygen, the approaches for the weaning of this therapy vary considerably across the world. Regardless of guidelines and multidisciplinary team support, up to a third of families of an infant with BPD elect to withdraw home oxygen therapy independently of medical advice. There is a pressing need to derive evidence to better inform practice, generate international consensus and undertake large, appropriately funded, longitudinal studies of BPD with clinically meaningful outcomes (respiratory, cardiovascular and neurodevelopmental) from infancy to adulthood.
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Affiliation(s)
- Dominic A Fitzgerald
- Department of Respiratory Medicine, The Children's Hospital at Westmead, Locked Bag 4001, Westmead, NSW 2145, Australia; Discipline of Child and Adolescent Health, Faculty of Medicine, Division of Health Sciences, University of Sydney, Camperdown, NSW 2050, Australia.
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Prematurity and BPD: what general pediatricians should know. Eur J Pediatr 2023; 182:1505-1516. [PMID: 36763190 PMCID: PMC10167192 DOI: 10.1007/s00431-022-04797-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 02/11/2023]
Abstract
More and more very low birth weight (VLBW) infants around the world survive nowadays, with consequently larger numbers of children developing prematurity-related morbidities, especially bronchopulmonary dysplasia (BPD). BPD is a multifactorial disease and its rising incidence in recent years means that general pediatricians are much more likely to encounter a child born extremely preterm, possibly with BPD, in their clinical practice. Short- and long-term sequelae in VLBW patients may affect not only pulmonary function (principally characterized by an obstructive pattern), but also other aspect including the neurological (neurodevelopmental and neuropsychiatric disorders), the sensorial (earing and visual impairment), the cardiological (systemic and pulmonary hypertension, reduced exercise tolerance and ischemic heart disease in adult age), nutritional (feeding difficulties and nutritional deficits), and auxological (extrauterine growth restriction). For the most premature infants at least, a multidisciplinary follow-up is warranted after discharge from the neonatal intensive care unit in order to optimize their respiratory and neurocognitive potential, and prevent respiratory infections, nutritional deficiencies or cardiovascular impairments. Conclusion: The aim of this review is to summarize the main characteristics of preterm and BPD infants, providing the general pediatrician with practical information regarding these patients' multidisciplinary complex follow-up. We explore the current evidence on respiratory outcomes and their management that actually does not have a definitive available option. We also discuss the available investigations, treatments, and strategies for prevention and prophylaxis to improve the non-respiratory outcomes and the quality of life for these children and their families, a critical aspect not always considered. This comprehensive approach, added to the increased needs of a VLBW subjects, is obviously related to very high health-related costs that should be beared in mind. What is Known: • Every day, a general pediatrician is more likely to encounter a former very low birth weight infant. • Very low birth weight and prematurity are frequently related not only with worse respiratory outcomes, but also with neurological, sensorial, cardiovascular, renal, and nutritional issues. What is New: • This review provides to the general pediatrician a comprehensive approach for the follow-up of former premature very low birth weight children, with information to improve the quality of life of this special population.
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SIRT3 improves alveolar epithelial cell damage caused by bronchopulmonary dysplasia through deacetylation of FOXO1. Allergol Immunopathol (Madr) 2023; 51:191-204. [PMID: 36916106 DOI: 10.15586/aei.v51i2.710] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 12/15/2022] [Indexed: 03/08/2023]
Abstract
BACKGROUND Bronchopulmonary dysplasia (BPD) is a serious and long-term lung condition commonly observed in premature babies. Sirtuin 3 (SIRT3) has been reported to reduce pulmonary injury and pulmonary fibrosis. OBJECTIVE The present study investigated the specific role of SIRT3 in BPD by establishing hyperoxia-induced BPD rat and cell models. Hematoxylin and eosin staining was used to observe pathological changes in lung tissues. MATERIALS AND METHODS The expression levels of SIRT3 and forkhead box protein O1 (FOXO1), as well as its acetylation levels, were detected in hyperoxia-induced lung tissues and cells by Western blot analysis and reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Levels of reactive oxygen species, superoxide dismutase, and malondialdehyde were assessed by using biochemical kits. Following SIRT3 overexpression, the levels of inflammatory cytokines were assessed by RT-qPCR. Apoptosis was determined by terminal deoxynucleotidyl transferase dUTP nickend labeling (TUNEL) and Western blot analysis. Upon FOXO1 knockout, cell inflammation, oxidative stress and apoptosis were evaluated again. RESULTS Compared to the control group, the SIRT3 and FOXO1 expression levels were decreased and the FOXO1 acetylation levels were increased in hyperoxia-induced lung tissues and cells. In addition, SIRT3 reduced hyperoxia-induced inflammation, oxidative stress, and apoptosis in A549 cells, and inhibited FOXO1 acetylation to activate FOXO1. However, FOXO1 knockdown reversed the effects of SIRT3 overexpression in hyperoxia-induced A549 cells. CONCLUSION SIRT3 relieved alveolar epithelial cell damage caused by BPD via deacetylation of FOXO1, suggesting that SIRT3 could be a therapeutic target in BPD.
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Ong JWY, Everitt L, Hiscutt J, Griffiths C, McEvoy A, Goss KCW, Johnson MJ, Evans HJ. Characteristics and outcome of infants with bronchopulmonary dysplasia established on long-term ventilation from neonatal intensive care. Pediatr Pulmonol 2022; 57:2614-2621. [PMID: 35851768 DOI: 10.1002/ppul.26072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 06/23/2022] [Accepted: 07/11/2022] [Indexed: 11/06/2022]
Abstract
INTRODUCTION Ex-preterm infants with severe bronchopulmonary dysplasia (BPD) sometimes require long-term ventilation (LTV) to facilitate weaning from respiratory support. There are however limited data characterizing this cohort. We aim to describe the background characteristics, neonatal comorbidities, characteristics at the initiation of ventilation, and outcomes of neonatal unit graduates with BPD established on LTV. METHODS A retrospective cohort study of infants born <32 weeks gestation with BPD referred to a regional LTV service between January 2015 and December 2020. RESULTS Twenty-five infants were referred during the study period. Median birth gestation was 26 + 1 weeks (24 + 0-30 + 4) and birth weight 645 g (430-1485). At 36 weeks postmenstrual age (PMA), median FiO2 was 0.45 (0.24-0.80) and one-quarter of infants remained on invasive ventilation. Twenty (80%) infants were established on noninvasive ventilation (NIV), with the smallest weighing 2085 g, and five (20%) required tracheostomy invasive ventilation (TIV). At initiation of NIV/TIV, median PMA was 41 + 1 weeks and median FiO2 0.40 (0.29-0.80). Infants established on TIV spent almost five times longer in hospital before discharge compared to those on NIV (p = 0.003). By March 2022, 18 (72%) infants had discontinued ventilation, spending a median total time of 113 days (18-1792) on ventilation. CONCLUSION Due to advances in interfaces, headgear, and ventilator technology, NIV is an attractive and practically achievable option for infants with severe BPD as small as 2 kg. Initiation and weaning should take place in a facility with the required multidisciplinary expertize.
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Affiliation(s)
- Jonathan Wen Yi Ong
- Department of Respiratory Paediatrics, Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Lucy Everitt
- Department of Respiratory Paediatrics, Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Jodie Hiscutt
- Department of Respiratory Paediatrics, Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Catherine Griffiths
- Department of Respiratory Paediatrics, Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Alison McEvoy
- Department of Respiratory Paediatrics, Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Kevin Colin William Goss
- Department of Neonatal Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Mark John Johnson
- Department of Neonatal Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Hazel J Evans
- Department of Respiratory Paediatrics, Southampton Children's Hospital, University Hospital Southampton NHS Foundation Trust, Southampton, UK
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Balink S, Onland W, Vrijlandt EJLE, Andrinopoulou ER, Bos AF, Dijk PH, Goossens L, Hulsmann AR, Nuytemans DH, Reiss IKM, Sprij AJ, Kroon AA, van Kaam AH, Pijnenburg M. Supplemental oxygen strategies in infants with bronchopulmonary dysplasia after the neonatal intensive care unit period: study protocol for a randomised controlled trial (SOS BPD study). BMJ Open 2022; 12:e060986. [PMID: 35803625 PMCID: PMC9272124 DOI: 10.1136/bmjopen-2022-060986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
INTRODUCTION Supplemental oxygen is the most important treatment for preterm born infants with established bronchopulmonary dysplasia (BPD). However, it is unknown what oxygen saturation levels are optimal to improve outcomes in infants with established BPD from 36 weeks postmenstrual age (PMA) onwards. The aim of this study is to compare the use of a higher oxygen saturation limit (≥95%) to a lower oxygen saturation limit (≥90%) after 36 weeks PMA in infants diagnosed with moderate or severe BPD. METHODS AND ANALYSIS This non-blinded, multicentre, randomised controlled trial will recruit 198 preterm born infants with moderate or severe BPD between 36 and 38 weeks PMA. Infants will be randomised to either a lower oxygen saturation limit of 95% or to a lower limit of 90%; supplemental oxygen and/or respiratory support will be weaned based on the assigned lower oxygen saturation limit. Adherence to the oxygen saturation limit will be assessed by extracting oxygen saturation profiles from pulse oximeters regularly, until respiratory support is stopped. The primary outcome is the weight SD score at 6 months of corrected age. Secondary outcomes include anthropometrics collected at 6 and 12 months of corrected age, rehospitalisations, respiratory complaints, infant stress, parental quality of life and cost-effectiveness. ETHICS AND DISSEMINATION Ethical approval for the trial was obtained from the Medical Ethics Review Committee of the Erasmus University Medical Centre, Rotterdam, the Netherlands (MEC-2018-1515). Local approval for conducting the trial in the participating hospitals has been or will be obtained from the local institutional review boards. Informed consent will be obtained from the parents or legal guardians of all study participants. TRIAL REGISTRATION NUMBER NL7149/NTR7347.
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Affiliation(s)
- Stephanie Balink
- Department of Paediatrics/Paediatric Respiratory Medicine, Erasmus MC Sophia Children Hospital, Rotterdam, The Netherlands
| | - Wes Onland
- Department of Paediatrics, Division of Neonatology, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
- Department of Paediatrics, Division of Neonatology, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
| | - Elianne J L E Vrijlandt
- Department of Paediatrics, Division of Paediatric Pulmonology and Allergology, UMCG, Groningen, The Netherlands
| | | | - Arend F Bos
- Department of Paediatrics, Division of Neonatology, UMCG, Groningen, The Netherlands
| | - Peter H Dijk
- Department of Paediatrics, Division of Neonatology, UMCG, Groningen, The Netherlands
| | - Lucas Goossens
- Erasmus School of Health Policy and Management, Erasmus Universiteit Rotterdam, Rotterdam, The Netherlands
| | | | - Debbie H Nuytemans
- Department of Paediatrics, Division of Neonatology, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
- Department of Paediatrics, Division of Neonatology, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
| | - Irwin K M Reiss
- Department of Paediatrics, Division of Neonatology, Erasmus MC Sophia Children Hospital, Rotterdam, The Netherlands
| | - Arwen J Sprij
- Department of Paediatrics, Haga Hospital, Den Haag, The Netherlands
| | - André A Kroon
- Department of Paediatrics, Division of Neonatology, Erasmus MC Sophia Children Hospital, Rotterdam, The Netherlands
| | - Anton H van Kaam
- Department of Paediatrics, Division of Neonatology, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
- Department of Paediatrics, Division of Neonatology, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
| | - Marielle Pijnenburg
- Department of Paediatrics/Paediatric Respiratory Medicine, Erasmus MC Sophia Children Hospital, Rotterdam, The Netherlands
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Lin H, Chen X, Ge J, Shi L, Du L, Ma X. Home oxygen use and 1-year outcome among preterm infants with bronchopulmonary dysplasia discharged from a Chinese regional NICU. Front Pediatr 2022; 10:978743. [PMID: 36160774 PMCID: PMC9500185 DOI: 10.3389/fped.2022.978743] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 08/18/2022] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE This study aims to compare the clinical characteristics and 1-year outcomes of preterm infants with bronchopulmonary dysplasia (BPD) who were discharged on supplemental oxygen or room air. MATERIALS AND METHODS The preterm infants (born <32 weeks' gestation, birth weight ≤1,250 g) diagnosed with BPD and admitted between January 2020 and December 2020 were enrolled. The clinical data during hospitalization were collected through the hospital's electronic record system. The outcomes after discharge were acquired from the outpatient system and through telephonic interviews. RESULTS Of the 87 preterm infants diagnosed with BPD, 81 infants survived until discharge. The 81 infants were divided into the home oxygen group (n = 29) and room air group (n = 52) according to supplemental oxygen or not at discharge. Infants in the home oxygen group were more likely to receive postnatal systemic steroids and higher ventilation settings at 36 weeks' PMA. There was one patient in each group who died before 1 year corrected age, respectively. All the infants had successfully weaned off oxygen eventually during the first year. The median duration of home oxygen therapy was 25 (7,42) days. Readmission occurred in 49 (64.5%) infants. Readmissions for infants with home oxygen were more often related to respiratory disease. In addition, wheezing disorders and home inhalation occurred more frequently in the home oxygen group (p = 0.022, p = 0.004). Although the incidence of underweight at 1 year corrected age was higher in the room air group (10.0 vs. 3.8%), there was no significant difference (p = 0.620). The rate of neurodevelopmental impairment was similar between these two groups (26.0 vs. 30.8%, p = 0.659). CONCLUSIONS It was the first study focused on preterm infants with BPD receiving home oxygen in China. Infants with home oxygen were more likely to have respiratory problems after discharge from NICU. Home oxygen use was not associated with more readmission for infants with BPD, and no difference was found in neurodevelopmental impairment and growth outcome.
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Affiliation(s)
- Huijia Lin
- Department of NICU, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Xuefeng Chen
- Department of Endocrinology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Jiajing Ge
- Department of NICU, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Liping Shi
- Department of NICU, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Lizhong Du
- Department of NICU, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Xiaolu Ma
- Department of NICU, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
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Awonuga AO, Chatzicharalampous C, Thakur M, Rambhatla A, Qadri F, Awonuga M, Saed G, Diamond MP. Genetic and Epidemiological Similarities, and Differences Between Postoperative Intraperitoneal Adhesion Development and Other Benign Fibro-proliferative Disorders. Reprod Sci 2021; 29:3055-3077. [PMID: 34515982 DOI: 10.1007/s43032-021-00726-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 08/22/2021] [Indexed: 12/11/2022]
Abstract
Intraperitoneal adhesions complicate over half of abdominal-pelvic surgeries with immediate, short, and long-term sequelae of major healthcare concern. The pathogenesis of adhesion development is similar to the pathogenesis of wound healing in all tissues, which if unchecked result in production of fibrotic conditions. Given the similarities, we explore the published literature to highlight the similarities in the pathogenesis of intra-abdominal adhesion development (IPAD) and other fibrotic diseases such as keloids, endometriosis, uterine fibroids, bronchopulmonary dysplasia, and pulmonary, intraperitoneal, and retroperitoneal fibrosis. Following a literature search using PubMed database for all relevant English language articles up to November 2020, we reviewed relevant articles addressing the genetic and epidemiological similarities and differences in the pathogenesis and pathobiology of fibrotic diseases. We found genetic and epidemiological similarities and differences between the pathobiology of postoperative IPAD and other diseases that involve altered fibroblast-derived cells. We also found several genes and single nucleotide polymorphisms that are up- or downregulated and whose products directly or indirectly increase the propensity for postoperative adhesion development and other fibrotic diseases. An understanding of the similarities in pathophysiology of adhesion development and other fibrotic diseases contributes to a greater understanding of IPAD and these disease processes. At a very fundamental level, blocking changes in the expression or function of genes necessary for the transformation of normal to altered fibroblasts may curtail adhesion formation and other fibrotic disease since this is a prerequisite for their development. Similarly, applying measures to induce apoptosis of altered fibroblast may do the same; however, apoptosis should be at a desired level to simultaneously ameliorate development of fibrotic diseases while allowing for normal healing. Scientists may use such information to develop pharmacologic interventions for those most at risk for developing these fibrotic conditions.
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Affiliation(s)
- Awoniyi O Awonuga
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, 48201, USA.
| | - Charalampos Chatzicharalampous
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Mili Thakur
- Reproductive Genomics Program, The Fertility Center, Grand Rapids, MI, USA.,Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, MI, USA
| | - Anupama Rambhatla
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Farnoosh Qadri
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Modupe Awonuga
- Division of Neonatology, Department of Pediatrics and Human Development, Michigan State University, 1355 Bogue Street, East Lansing, MI, USA
| | - Ghassan Saed
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Michael P Diamond
- Department of Obstetrics and Gynecology, Augusta University, 1120 15th Street, CJ-1036, Augusta, GA, 30912, USA
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