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Alhumaid S, Alnaim AA, Al Ghamdi MA, Alahmari AA, Alabdulqader M, Al HajjiMohammed SM, Alalwan QM, Al Dossary N, Alghazal HA, Al Hassan MH, Almaani KM, Alhassan FH, Almuhanna MS, Alshakhes AS, BuMozah AS, Al-Alawi AS, Almousa FM, Alalawi HS, Al Matared SM, Alanazi FA, Aldera AH, AlBesher MA, Almuhaisen RH, Busubaih JS, Alyasin AH, Al Majhad AA, Al Ithan IA, Alzuwaid AS, Albaqshi MA, Alhmeed N, Albaqshi YA, Al Alawi Z. International treatment outcomes of neonates on extracorporeal membrane oxygenation (ECMO) with persistent pulmonary hypertension of the newborn (PPHN): a systematic review. J Cardiothorac Surg 2024; 19:493. [PMID: 39182148 PMCID: PMC11344431 DOI: 10.1186/s13019-024-03011-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Accepted: 08/13/2024] [Indexed: 08/27/2024] Open
Abstract
BACKGROUND PPHN is a common cause of neonatal respiratory failure and is still a serious condition and associated with high mortality. OBJECTIVES To compare the demographic variables, clinical characteristics, and treatment outcomes in neonates with PHHN who underwent ECMO and survived compared to neonates with PHHN who underwent ECMO and died. METHODS We adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline and searched ProQuest, Medline, Embase, PubMed, CINAHL, Wiley online library, Scopus and Nature for studies on the development of PPHN in neonates who underwent ECMO, published from January 1, 2010 to May 31, 2023, with English language restriction. RESULTS Of the 5689 papers that were identified, 134 articles were included in the systematic review. Studies involving 1814 neonates with PPHN who were placed on ECMO were analyzed (1218 survived and 594 died). Neonates in the PPHN group who died had lower proportion of normal spontaneous vaginal delivery (6.4% vs 1.8%; p value > 0.05) and lower Apgar scores at 1 min and 5 min [i.e., low Apgar score: 1.5% vs 0.5%, moderately abnormal Apgar score: 10.3% vs 1.2% and reassuring Apgar score: 4% vs 2.3%; p value = 0.039] compared to those who survived. Neonates who had PPHN and died had higher proportion of medical comorbidities such as omphalocele (0.7% vs 4.7%), systemic hypotension (1% vs 2.5%), infection with Herpes simplex virus (0.4% vs 2.2%) or Bordetella pertussis (0.7% vs 2%); p = 0.042. Neonates with PPHN in the death group were more likely to present due to congenital diaphragmatic hernia (25.5% vs 47.3%), neonatal respiratory distress syndrome (4.2% vs 13.5%), meconium aspiration syndrome (8% vs 12.1%), pneumonia (1.6% vs 8.4%), sepsis (1.5% vs 8.2%) and alveolar capillary dysplasia with misalignment of pulmonary veins (0.1% vs 4.4%); p = 0.019. Neonates with PPHN who died needed a longer median time of mechanical ventilation (15 days, IQR 10 to 27 vs. 10 days, IQR 7 to 28; p = 0.024) and ECMO use (9.2 days, IQR 3.9 to 13.5 vs. 6 days, IQR 3 to 12.5; p = 0.033), and a shorter median duration of hospital stay (23 days, IQR 12.5 to 46 vs. 58.5 days, IQR 28.2 to 60.7; p = 0.000) compared to the neonates with PPHN who survived. ECMO-related complications such as chylothorax (1% vs 2.7%), intracranial bleeding (1.2% vs 1.7%) and catheter-related infections (0% vs 0.3%) were more frequent in the group of neonates with PPHN who died (p = 0.031). CONCLUSION ECMO in the neonates with PPHN who failed supportive cardiorespiratory care and conventional therapies has been successfully utilized with a neonatal survival rate of 67.1%. Mortality in neonates with PPHN who underwent ECMO was highest in cases born via the caesarean delivery mode or neonates who had lower Apgar scores at birth. Fatality rate in neonates with PPHN who underwent ECMO was the highest in patients with higher rate of specific medical comorbidities (omphalocele, systemic hypotension and infection with Herpes simplex virus or Bordetella pertussis) or cases who had PPHN due to higher rate of specific etiologies (congenital diaphragmatic hernia, neonatal respiratory distress syndrome and meconium aspiration syndrome). Neonates with PPHN who died may need a longer time of mechanical ventilation and ECMO use and a shorter duration of hospital stay; and may experience higher frequency of ECMO-related complications (chylothorax, intracranial bleeding and catheter-related infections) in comparison with the neonates with PPHN who survived.
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Affiliation(s)
- Saad Alhumaid
- School of Pharmacy, University of Tasmania, Hobart, 7000, Australia.
| | - Abdulrahman A Alnaim
- Department of Pediatrics, College of Medicine, King Faisal University, 31982, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Mohammed A Al Ghamdi
- Department of Pediatrics, King Fahad Hospital of the University, College of Medicine, Imam Abdulrahman Bin Faisal University, 34212, Dammam, Saudi Arabia
| | - Abdulaziz A Alahmari
- Department of Pediatrics, King Fahad Hospital of the University, College of Medicine, Imam Abdulrahman Bin Faisal University, 34212, Dammam, Saudi Arabia
| | - Muneera Alabdulqader
- Pediatric Nephrology Specialty, Pediatric Department, Medical College, King Faisal University, 31982, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Sarah Mahmoud Al HajjiMohammed
- Pharmacy Department, Prince Saud Bin Jalawi Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36424, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Qasim M Alalwan
- Pediatric Radiology Department, King Fahad Hofuf Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36441, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Nourah Al Dossary
- General Surgery Department, Alomran General Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36358, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Header A Alghazal
- Microbiology Laboratory, Prince Saud Bin Jalawi Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36424, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Mohammed H Al Hassan
- Administration of Nursing, Al-Ahsa Health Cluster, Al-Ahsa Health Cluster, Ministry of Health, 36421, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Khadeeja Mirza Almaani
- Alyahya Primary Health Centre, Primary Care Medicine, Al-Ahsa Health Cluster, Ministry of Health, 36341, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Fatimah Hejji Alhassan
- Alyahya Primary Health Centre, Primary Care Medicine, Al-Ahsa Health Cluster, Ministry of Health, 36341, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Mohammed S Almuhanna
- Department of Pharmacy, Maternity and Children Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36422, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Aqeel S Alshakhes
- Department of Psychiatry, Prince Saud Bin Jalawi Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36424, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Ahmed Salman BuMozah
- Administration of Dental Services, Al-Ahsa Health Cluster, Ministry of Health, 36421, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Ahmed S Al-Alawi
- Administration of Pharmaceutical Care, Al-Ahsa Health Cluster, Ministry of Health, 36421, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Fawzi M Almousa
- Pharmacy Department, Al Jabr Hospital for Eye, Ear, Nose and Throat, Al-Ahsa Health Cluster, Ministry of Health, 36422, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Hassan S Alalawi
- Pharmacy Department, Imam Abdulrahman Alfaisal Hospital, C1 Riyadh Health Cluster, Ministry of Health, 14723, Riyadh, Saudi Arabia
| | - Saleh Mana Al Matared
- Department of Public Health, Kubash General Hospital, Ministry of Health, 66244, Najran, Saudi Arabia
| | | | - Ahmed H Aldera
- Pharmacy Department, Prince Saud Bin Jalawi Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36424, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Mustafa Ahmed AlBesher
- Regional Medical Supply, Al-Ahsa Health Cluster, Ministry of Health, 36361, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Ramzy Hasan Almuhaisen
- Quality Assurance and Patient Safety Administration, Directorate of Health Affairs, Ministry of Health, 36441, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Jawad S Busubaih
- Gastroenterology Department, King Fahad Hofuf Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36441, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Ali Hussain Alyasin
- Medical Store Department, Maternity and Children Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36422, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Abbas Ali Al Majhad
- Radiology Department, Prince Saud Bin Jalawi Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36424, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Ibtihal Abbas Al Ithan
- Renal Dialysis Department, King Fahad Hofuf Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36441, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Ahmed Saeed Alzuwaid
- Pharmacy Department, Aljafr General Hospital, Al-Ahsa Health Cluster, Ministry of Health, 7110, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Mohammed Ali Albaqshi
- Pharmacy Department, Aljafr General Hospital, Al-Ahsa Health Cluster, Ministry of Health, 7110, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Naif Alhmeed
- Administration of Supply and Shared Services, C1 Riyadh Health Cluster, Ministry of Health, 14723, Riyadh, Saudi Arabia
| | - Yasmine Ahmed Albaqshi
- Respiratory Therapy Department, Maternity and Children Hospital, Al-Ahsa Health Cluster, Ministry of Health, 36422, Al-Hofuf, Al-Ahsa, Saudi Arabia
| | - Zainab Al Alawi
- Division of Allergy and Immunology, College of Medicine, King Faisal University, 31982, Al-Hofuf, Al-Ahsa, Saudi Arabia
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Wang N, Lu KY, Jiang SY, Wu HW, Cheng R, Pan ZJ, Wang HY. The current clinical landscape of neonatal respiratory failure in Jiangsu Province of China: patient demographics, NICU treatment interventions, and patient outcomes. BMC Pediatr 2024; 24:272. [PMID: 38664650 PMCID: PMC11044282 DOI: 10.1186/s12887-024-04741-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 04/04/2024] [Indexed: 04/29/2024] Open
Abstract
INTRODUCTION Neonatal respiratory failure (NRF) is a serious condition that often has high mortality and morbidity, effective interventions can be delivered in the future by identifying the risk factors associated with morbidity and mortality. However, recent advances in respiratory support have improved neonatal intensive care units (NICUs) care in China. We aimed to provide an updated review of the clinical profile and outcomes of NRF in the Jiangsu province. METHODS Infants treated for NRF in the NICUs of 28 hospitals between March 2019 and March 2022 were retrospectively reviewed. Data collected included baseline perinatal and neonatal parameters, NICU admission- and treatment-related data, and patient outcomes in terms of mortality, major morbidity, and survival without major morbidities. RESULTS A total of 5548 infants with NRF were included in the study. The most common primary respiratory disorder was respiratory distress syndrome (78.5%). NRF was managed with non-invasive and invasive respiratory support in 59.8% and 14.5% of patients, respectively. The application rate of surfactant therapy was 38.5%, while that of neonatal extracorporeal membrane oxygenation therapy was 0.2%. Mortality and major morbidity rates of 8.5% and 23.2% were observed, respectively. Congenital anomalies, hypoxic-ischemic encephalopathy, invasive respiratory support only and inhaled nitric oxide therapy were found to be significantly associated with the risk of death. Among surviving infants born at < 32 weeks of gestation or with a birth weight < 1500 g, caffeine therapy and repeat mechanical ventilation were demonstrated to significantly associate with increased major morbidity risk. CONCLUSION Our study demonstrates the current clinical landscape of infants with NRF treated in the NICU, and, by proxy, highlights the ongoing advancements in the field of perinatal and neonatal intensive care in China.
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Affiliation(s)
- Na Wang
- Department of Neonatology, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, Jiangsu, China
| | - Ke-Yu Lu
- Department of Neonatology, Children's Hospital of Nanjing Medical University, Gulou District, No.72, Guangzhou Road, Nanjing, 210008, Jiangsu, China
| | - Shan-Yu Jiang
- Department of Neonatology, Wuxi Maternity and Child Health Care Hospital, Wuxi, Jiangsu, China
| | - Hong-Wei Wu
- Department of Neonatology, Xuzhou Children's Hospital Affiliated to Xuzhou medical University, Xuzhou, Jiangsu, China
| | - Rui Cheng
- Department of Neonatology, Children's Hospital of Nanjing Medical University, Gulou District, No.72, Guangzhou Road, Nanjing, 210008, Jiangsu, China.
| | - Zhao-Jun Pan
- Department of Neonatology, Huai'an maternal and child health care center, Huai'an City, No. 104, Renmin South Road, Qingpu District, Jiangsu, 223001, China.
| | - Huai-Yan Wang
- Department of Neonatology, Changzhou Maternity and Child Health Care Hospital, Nanjing Medical University, No.16 Dingxiang Road, Changzhou, 213003, Jiangsu, China.
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Scher MS, Agarwal S, Venkatesen C. Clinical decisions in fetal-neonatal neurology II: Gene-environment expression over the first 1000 days presenting as "four great neurological syndromes". Semin Fetal Neonatal Med 2024; 29:101522. [PMID: 38637242 DOI: 10.1016/j.siny.2024.101522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Interdisciplinary fetal-neonatal neurology (FNN) training considers a woman's reproductive and pregnancy health histories when assessing the "four great neonatal neurological syndromes". This maternal-child dyad exemplifies the symptomatic neonatal minority, compared with the silent majority of healthy children who experience preclinical diseases with variable expressions over the first 1000 days. Healthy maternal reports with reassuring fetal surveillance testing preceded signs of fetal distress during parturition. An encephalopathic neonate with seizures later exhibited childhood autistic spectrum behaviors and intractable epilepsy correlated with identified genetic biomarkers. A systems biology approach to etiopathogenesis guides the diagnostic process to interpret phenotypic form and function. Evolving gene-environment interactions expressed by changing phenotypes reflect a dynamic neural exposome influenced by reproductive and pregnancy health. This strategy considers critical/sensitive periods of neuroplasticity beyond two years of life to encompass childhood and adolescence. Career-long FNN experiences reenforce earlier training to strengthen the cognitive process and minimize cognitive biases when assessing children or adults. Prioritizing social determinants of healthcare for persons with neurologic disorders will help mitigate the global burden of brain diseases for all women and children.
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Affiliation(s)
- Mark S Scher
- Pediatrics and Neurology, Rainbow Babies and Children's Hospital Case Western Reserve University School of Medicine, USA.
| | - Sonika Agarwal
- Neurology and Pediatrics, Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, USA.
| | - Charu Venkatesen
- Neurology and Pediatrics, Cincinnati Children's Hospital, Cincinnati School of Medicine, USA.
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Mahmood B. Persistent pulmonary hypertension of newborn. Semin Pediatr Surg 2022; 31:151202. [PMID: 36038220 DOI: 10.1016/j.sempedsurg.2022.151202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Burhan Mahmood
- Division of Newborn Medicine, Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, Pennsylvania, USA.
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Kamran A, Rafiq N, Khalid A, Amin F, Kumari V, Shaikh AS, Tebha SS, Patel N. Effectiveness of oral sildenafil for neonates with persistent pulmonary hypertension of newborn (PPHN): a prospective study in a tertiary care hospital. J Matern Fetal Neonatal Med 2021; 35:6787-6793. [PMID: 33980104 DOI: 10.1080/14767058.2021.1923003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION The prevalence of persistent pulmonary hypertension of newborn (PPHN) has been estimated 1.9/1000 live births. Although the efficacy of inhaled nitric oxide and extracorporeal membrane oxygenation in PPHN is well established but it is difficult to administer and monitor in resource limited countries. Owing to this, other treatment options need to be evaluated. METHOD This is a prospective observational study conducted in the Pediatric Cardiology Department, NICVD, Karachi, from February 2020 to October 2020 after the approval from the Institutional Ethical Review Committee. All the neonates referred to our Unit were screened by echocardiography (echo) and those who fulfilled the inclusion criteria were included. Echo were done before starting sildenafil and after 72 h to assess the pressure gradient across tricuspid valve and right to left or bidirectional shunt across patent ductus arteriosus , patent foramen ovale , or both. Sildenafil was started with a dose of 1 mg/kg/dose thrice a day and increased to 2 mg/kg/dose after 48 h if partial pressure of oxygen (PO1] did not increase. In neonates who did not respond to increased dose of Sildenafil were added on oral Bosentan 1 mg/kg/dose twice a day. RESULTS Total 82 newborns were enrolled. Fifty-two patients improved after 48 h so were continued on same treatment. Sildenafil dose was increased in 30 (37.9%) patients whose PO2 did not increase to at least 10% from baseline after 48 h of starting treatment. Three patients expired within 48-72 h. Out of 27 remaining patients, only four responded whereas 23 patients did not show any improvement. In these patients, Bosentan was supplemented along with sildenafil. CONCLUSION The results of our study show effectiveness of oral Sildenafil in treating PPHN. The overall improvement observed in the patients was overwhelming. Combination of Sildenafil with Bosentan is beneficial in patients who did not respond on Sildenafil alone.
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Affiliation(s)
- Amber Kamran
- Department of Pediatric Cardiology, National Institute of Cardiovascular Diseases, Karachi, Pakistan
| | - Nida Rafiq
- Department of Pediatric Cardiology, National Institute of Cardiovascular Diseases, Karachi, Pakistan
| | - Adeel Khalid
- Department of Pediatric Cardiology, National Institute of Cardiovascular Diseases, Karachi, Pakistan
| | - Fatima Amin
- Department of Pediatric Cardiology, National Institute of Cardiovascular Diseases, Karachi, Pakistan
| | - Veena Kumari
- Department of Pediatric Cardiology, National Institute of Cardiovascular Diseases, Karachi, Pakistan
| | - Abdul Sattar Shaikh
- Department of Pediatric Cardiology, National Institute of Cardiovascular Diseases, Karachi, Pakistan
| | - Sameer Saleem Tebha
- Department of Neurosurgery and Neurology, Jinnah Medical and Dental College, Karachi, Pakistan
| | - Najma Patel
- Department of Neurosurgery and Neurology, Jinnah Medical and Dental College, Karachi, Pakistan
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Ding H, Luo Y, Hu K, Huang H, Liu P, Xiong M, Zhu L, Yi J, Xu Y. Hypoxia in utero increases the risk of pulmonary hypertension in rat offspring and is associated with vasopressin type‑2 receptor upregulation. Mol Med Rep 2020; 22:4173-4182. [PMID: 33000260 PMCID: PMC7533485 DOI: 10.3892/mmr.2020.11533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 07/28/2020] [Indexed: 12/04/2022] Open
Abstract
Pulmonary hypertension (PH) in newborns and adults is a disease that can lead to right heart failure and result in a shorter lifespan. PH was induced by maintaining pregnant rats in a hypoxic chamber for 4 h twice a day, from days 7–21 of pregnancy. Hypoxia was confirmed by a decrease in the partial pressure of oxygen (PaO2) and the oxygen saturation (SaO2) of arterial blood in the aorta. The body weight of newborns from hypoxic rats was ~20% decreased compared with the control newborns of normoxic rats. The vascular wall thickness/vascular diameter values of hypoxia treated pubs were increased compared with that of control newborns 7 days after birth; however, it decreased to similar levels than in the control group after 3 months, and then further decreased to significantly lower levels than in the control group at 6 months after birth. At birth, the lung tissues of newborns from hypoxic rats exhibited an increase in the levels of mRNA and proteins associated with PH such as HIF-1α, HIF-2α, V2R, TGF-β, TNF-α, Ang-2 and α-SMA. At 3 and 6 months after birth, the levels of both V2R mRNA and protein in offspring from hypoxic rats were at least 2-fold higher, whereas the expression of all other factors decreased compared with the control offspring. By contrast, HIF-2α and Ang-2 expression levels were significantly increased in the 6-month-old control offspring from normoxic rats. V2R overexpression in pups induced by hypoxia in maternal rats was sustained until their adulthood. V2R may be a marker for detecting PH.
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Affiliation(s)
- Hao Ding
- Division of Respiratory Disease, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, P.R. China
| | - Yuchuan Luo
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Ke Hu
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Huaying Huang
- Division of Respiratory Disease, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, P.R. China
| | - Pei Liu
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Mengqing Xiong
- Division of Respiratory Disease, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Li Zhu
- Division of Respiratory Disease, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, P.R. China
| | - Jing Yi
- Division of Respiratory Disease, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, P.R. China
| | - Ying Xu
- Division of Respiratory Disease, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, P.R. China
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Martinho S, Adão R, Leite-Moreira AF, Brás-Silva C. Persistent Pulmonary Hypertension of the Newborn: Pathophysiological Mechanisms and Novel Therapeutic Approaches. Front Pediatr 2020; 8:342. [PMID: 32850518 PMCID: PMC7396717 DOI: 10.3389/fped.2020.00342] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 05/26/2020] [Indexed: 12/13/2022] Open
Abstract
Persistent pulmonary hypertension of the newborn (PPHN) is one of the main causes of neonatal morbidity and mortality. It is characterized by sustained elevation of pulmonary vascular resistance (PVR), preventing an increase in pulmonary blood flow after birth. The affected neonates fail to establish blood oxygenation, precipitating severe respiratory distress, hypoxemia, and eventually death. Inhaled nitric oxide (iNO), the only approved pulmonary vasodilator for PPHN, constitutes, alongside supportive therapy, the basis of its treatment. However, nearly 40% of infants are iNO resistant. The cornerstones of increased PVR in PPHN are pulmonary vasoconstriction and vascular remodeling. A better understanding of PPHN pathophysiology may enlighten targeted and more effective therapies. Sildenafil, prostaglandins, milrinone, and bosentan, acting as vasodilators, besides glucocorticoids, playing a role on reducing inflammation, have all shown potential beneficial effects on newborns with PPHN. Furthermore, experimental evidence in PPHN animal models supports prospective use of emergent therapies, such as soluble guanylyl cyclase (sGC) activators/stimulators, l-citrulline, Rho-kinase inhibitors, peroxisome proliferator-activated receptor-γ (PPAR-γ) agonists, recombinant superoxide dismutase (rhSOD), tetrahydrobiopterin (BH4) analogs, ω-3 long-chain polyunsaturated fatty acids (LC-PUFAs), 5-HT2A receptor antagonists, and recombinant human vascular endothelial growth factor (rhVEGF). This review focuses on current knowledge on alternative and novel pathways involved in PPHN pathogenesis, as well as recent progress regarding experimental and clinical evidence on potential therapeutic approaches for PPHN.
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Affiliation(s)
- Sofia Martinho
- Department of Surgery and Physiology, Cardiovascular Research and Development Center-UnIC, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Rui Adão
- Department of Surgery and Physiology, Cardiovascular Research and Development Center-UnIC, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Adelino F Leite-Moreira
- Department of Surgery and Physiology, Cardiovascular Research and Development Center-UnIC, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Carmen Brás-Silva
- Department of Surgery and Physiology, Cardiovascular Research and Development Center-UnIC, Faculty of Medicine, University of Porto, Porto, Portugal.,Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal
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Mehralizadeh S, Farhangdoust S, Bordbar A. Comparison of the effects of bosentan and sildenafil in the treatment of persistent pulmonary arterial hypertension in infants. J Clin Neonatol 2020. [DOI: 10.4103/jcn.jcn_5_20] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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WITHDRAWN: Abnormal Muscularization of Intra Acinar Pulmonary Arteries in 2 Cases Presenting as Sudden Infant Death (SIDS). Pediatr Dev Pathol 2018; 21:430. [PMID: 28382839 DOI: 10.1177/1093526617698597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This article was accidentally published Online First and in Volume 20 Issue 1 with different DOI. There was no duplication of the article in the printed version of Volume 20 Issue 1. The incorrect version of the article with DOI: 10.1177/1093526617698597 has been replaced with this correction notice. The correct and citable version of the article remains: Zainun K, Hope K, Nicholson AG, Cohen MC. Abnormal muscularization of intra-acinar pulmonary arteries in two cases presenting as sudden infant death. PDP. 2017;20(1):49-53. doi: 10.1177/1093526616689311.
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Pulmonary hypertension associated with bronchopulmonary dysplasia in preterm infants. J Reprod Immunol 2017; 124:21-29. [PMID: 29035757 DOI: 10.1016/j.jri.2017.09.013] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 09/11/2017] [Accepted: 09/29/2017] [Indexed: 12/12/2022]
Abstract
Bronchopulmonary dysplasia (BPD) and BPD-associated pulmonary hypertension (BPD-PH) are chronic inflammatory cardiopulmonary diseases with devastating short- and long-term consequences for infants born prematurely. The immature lungs of preterm infants are ill-prepared to achieve sufficient gas exchange, thus usually necessitating immediate commencement of respiratory support and oxygen supplementation. These therapies are life-saving, but they exacerbate the tissue damage that is inevitably inflicted on a preterm lung forced to perform gas exchange. Together, air-breathing and necessary therapeutic interventions disrupt normal lung development by aggravating pulmonary inflammation and vascular remodelling, thus frequently precipitating BPD and PH via an incompletely understood pathogenic cascade. BPD and BPD-PH share common risk factors, such as low gestational age at birth, fetal growth restriction and perinatal maternal inflammation; however, these risk factors are not unique to BPD or BPD-PH. Occurring in 17-24% of BPD patients, BPD-PH substantially worsens the morbidity and mortality attributable to BPD alone, thus darkening their outlook; for example, BPD-PH entails a mortality of up to 50%. The absence of a safe and effective therapy for BPD and BPD-PH renders neonatal cardiopulmonary disease an area of urgent unmet medical need. Besides the need to develop new therapeutic strategies, a major challenge for clinicians is the lack of a reliable method for identifying babies at risk of developing BPD and BPD-PH. In addition to discussing current knowledge on pathophysiology, diagnosis and treatment of BPD-PH, we highlight emerging biomarkers that could enable clinicians to predict disease-risk and also optimise treatment of BPD-PH in our tiniest patients.
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Elsayed YN, Fraser D. Integrated Evaluation of Neonatal Hemodynamics, Part 2: Systematic Bedside Assessment. Neonatal Netw 2017; 35:192-203. [PMID: 27461198 DOI: 10.1891/0730-0832.35.4.192] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Intact hemodynamics results when there is adequate oxygen uptake by the respiratory system, normal cardiac output, sufficient oxygen-carrying capacity of blood, and intact autoregulatory mechanisms to maintain enough oxygenation for normal end-organ function. The current routine monitoring of cardiovascular dynamics in sick preterm and term infants has been based on incomplete evaluation and relies on nonspecific and sometimes misleading clinical markers such as blood pressure. A thorough understanding of perinatal and neonatal cardiovascular, respiratory, oxygen, and other specific end-organ physiology is also mandatory for proper targeted interpretation.
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Affiliation(s)
- Yasser N Elsayed
- University of Manitoba, Faculty of Medicine, Winnipeg, MB R3E0L8 Canada
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12
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Tadokoro KS, Rana U, Jing X, Konduri GG, Miao QR, Teng RJ. Nogo-B Receptor Modulates Pulmonary Artery Smooth Muscle Cell Function in Developing Lungs. Am J Respir Cell Mol Biol 2017; 54:892-900. [PMID: 26652754 DOI: 10.1165/rcmb.2015-0068oc] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Nogo-B and its receptor (NgBR) are involved in blood vessel growth in developing lungs, but their role in pulmonary artery smooth muscle cell (PASMC) growth is unknown. We hypothesized that NgBR regulates growth of PASMCs by modulating the function of endoplasmic reticulum (ER) and formation of reactive oxygen species (ROS). In utero constriction of the ductus arteriosus created pulmonary hypertension in fetal lambs (hypertensive fetal lamb [HTFL]). PASMCs isolated 8 days after surgery were assessed for the alteration of protein levels by immunoblots and ROS formation by dihydroethidium and Cell ROX deep red fluorescence. NgBR small interfering RNA and plasmid DNA were used to manipulate NgBR levels. Proliferation and wound healing were assessed by cell counts and scratch recovery assay, respectively. Acute ER stress was induced by tunicamycin. Differences of mitogen-activated protein kinase and Akt pathway activation in HTFL versus control PASMCs were evaluated. Results showed that HTFL PASMCs had decreased NgBR levels and increased proliferation, wound healing, ER stress, and ROS formation compared with controls. Knockdown of NgBR in control PASMCs generated a phenotype similar to HTFL, and overexpression in HTFL restored the defective phenotype to control. Decreased NgBR levels were associated with increased ROS formation in HTFL PASMCs. Subsequently, scavenging ROS decreased proliferation and wound healing. Mechanistically, ROS formation decreases NgBR expression, which induces ER stress. This leads to extracellular signal-regulated kinase pathway activation and PASMC phenotype alteration. Our data suggest that decreased NgBR expression in pulmonary hypertension of the newborn contributes to increased PASMC proliferation and oxidative stress, which lead to the pathogenesis of lung injury.
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Affiliation(s)
| | - Ujala Rana
- 2 Surgery, and.,3 Pathology.,4 Children's Research Institute and Cardiovascular Research Center, and
| | - Xigang Jing
- Departments of 1 Pediatrics.,4 Children's Research Institute and Cardiovascular Research Center, and
| | - G Ganesh Konduri
- Departments of 1 Pediatrics.,4 Children's Research Institute and Cardiovascular Research Center, and.,5 Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Qing R Miao
- 2 Surgery, and.,3 Pathology.,4 Children's Research Institute and Cardiovascular Research Center, and
| | - Ru-Jeng Teng
- Departments of 1 Pediatrics.,4 Children's Research Institute and Cardiovascular Research Center, and.,5 Medical College of Wisconsin, Milwaukee, Wisconsin
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13
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Zainun K, Hope K, Nicholson AG, Cohen MC. Abnormal Muscularization of Intra-acinar Pulmonary Arteries in Two Cases Presenting as Sudden Infant Death. Pediatr Dev Pathol 2017; 20:49-53. [PMID: 28276303 DOI: 10.1177/1093526616689311] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Abnormal muscularization of acinar arteries is the hallmark of persistent pulmonary hypertension of newborn (PPHN), an uncommon disease with high rate of morbidity and mortality. PPHN presents with signs of respiratory distress immediately following birth. We herein report 2 cases presenting as a witnessed sudden unexpected death in the late neonatal period, preceded by respiratory deterioration and in whom the presence of abnormal muscularization of the acinar pulmonary arteries was reminiscent of PPHN. The significance of this report is twofold: to increase the awareness among pediatricians and pathologists of this feature that can present in some cases of Sudden Unexpected Death in Infancy/Sudden Infant Death Syndrome, and to highlight the importance of performing a thorough autopsy in order to identify the abnormality.
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Affiliation(s)
- Khairul Zainun
- 1 Department of Histopathology, Sheffield Children's Hospital Foundation Trust, Western Bank, Sheffield, UK.,2 Department of Forensic Medicine, Hospital Sultanah Aminah, Johor Bharu, Johore, Malaysia
| | - Kirsten Hope
- 1 Department of Histopathology, Sheffield Children's Hospital Foundation Trust, Western Bank, Sheffield, UK
| | - Andrew G Nicholson
- 3 Department of Histopathology, Royal Brompton and Harefield Hospitals NHS Foundation Trust, and National Heart and Lung Division, Imperial College, London, UK
| | - Marta C Cohen
- 1 Department of Histopathology, Sheffield Children's Hospital Foundation Trust, Western Bank, Sheffield, UK
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14
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Arias D, Narváez C. Atención al recién nacido con hipertensión pulmonar persistente. REPERTORIO DE MEDICINA Y CIRUGÍA 2016. [DOI: 10.1016/j.reper.2016.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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15
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Hilgendorff A, Apitz C, Bonnet D, Hansmann G. Pulmonary hypertension associated with acute or chronic lung diseases in the preterm and term neonate and infant. The European Paediatric Pulmonary Vascular Disease Network, endorsed by ISHLT and DGPK. Heart 2016; 102 Suppl 2:ii49-56. [PMID: 27053698 DOI: 10.1136/heartjnl-2015-308591] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Accepted: 10/14/2015] [Indexed: 11/04/2022] Open
Abstract
Persistent pulmonary hypertension of the newborn (PPHN) is the most common neonatal form and mostly reversible after a few days with improvement of the underlying pulmonary condition. When pulmonary hypertension (PH) persists despite adequate treatment, the severity of parenchymal lung disease should be assessed by chest CT. Pulmonary vein stenosis may need to be ruled out by cardiac catheterisation and lung biopsy, and genetic workup is necessary when alveolar capillary dysplasia is suspected. In PPHN, optimisation of the cardiopulmonary situation including surfactant therapy should aim for preductal SpO2between 91% and 95% and severe cases without post-tricuspid-unrestrictive shunt may receive prostaglandin E1 to maintain ductal patency in right heart failure. Inhaled nitric oxide is indicated in mechanically ventilated infants to reduce the need for extracorporal membrane oxygenation (ECMO), and sildenafil can be considered when this therapy is not available. ECMO may be indicated according to the ELSO guidelines. In older preterm infant, where PH is mainly associated with bronchopulmonary dysplasia (BPD) or in term infants with developmental lung anomalies such as congenital diaphragmatic hernia or cardiac anomalies, left ventricular diastolic dysfunction/left atrial hypertension or pulmonary vein stenosis, can add to the complexity of the disease. Here, oral or intravenous sildenafil should be considered for PH treatment in BPD, the latter for critically ill patients. Furthermore, prostanoids, mineralcorticoid receptor antagonists, and diuretics can be beneficial. Infants with proven or suspected PH should receive close follow-up, including preductal/postductal SpO2measurements, echocardiography and laboratory work-up including NT-proBNP, guided by clinical improvement or lack thereof.
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Affiliation(s)
- Anne Hilgendorff
- Department of Neonatology, Dr von Haunersche Children's Hospital, Ludwig-Maximilians University, Munich, Germany
| | - Christian Apitz
- Department of Paediatric Cardiology, Children's Hospital, University of Ulm, Ulm, Germany
| | - Damien Bonnet
- Unité Médico-Chirurgicale de Cardiologie Congénitale et Pédiatrique, Centre de référence Malformations Cardiaques Congénitales Complexes-M3C, Hôpital Necker Enfants Malades, APHP, Université Paris Descartes, Sorbonne Paris, Paris, France
| | - Georg Hansmann
- Department of Paediatric Cardiology and Critical Care, Hannover Medical School, Hannover, Germany
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16
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Balbi B, Carvalhaes MADBL, Parada CMGDL. Tendência temporal do nascimento pré-termo e de seus determinantes em uma década. CIENCIA & SAUDE COLETIVA 2016; 21:233-41. [DOI: 10.1590/1413-81232015211.20512015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Accepted: 04/18/2015] [Indexed: 11/22/2022] Open
Abstract
Resumo Objetivou-se analisar a frequência de nascimentos pré-termo, identificar fatores de risco e a evolução destes em uma década (2001-20052010) em município paulista. Estudo de série temporal realizado com dados do Sistema de Informações de Nascidos Vivos. Utilizou-se a regressão logística univariada e múltipla para identificar fatores associados ao nascimento pré-termo e a regressão linear para avaliar a tendência temporal destes no período. Para evitar subestimação, às frequências de nascimento pré-termo obtidas aplicou-se fator de correção. Houve discreto aumento da taxa de nascimento pré-termo: 12,5%, 12,0% e 13,2%. Após ajuste para confundidores, associaram-se com maior chance desse desfecho e aumentaram na década: idade materna igual ou superior a 35 anos e parto cesárea; diminuíram no período: nascimento em hospital de alto risco e menos de sete consultas pré-natais, permanecendo estável a gemelaridade. Comparando ao parto vaginal, nascer de cesariana dobrou a chance de nascimento pré-termo. Dentre os cinco fatores associados à prematuridade, três (parto cesárea, nascimento em hospital de alto risco e menos de sete consultas de pré-natais) são modificáveis por ações no âmbito dos serviços de saúde.
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Affiliation(s)
- Bruna Balbi
- Universidade Estadual Paulista Júlio de Mesquita Filho, Brasil
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17
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Karimi M, Kirshbom PM, Kopf GS, Steele MM, Sullivan JM. Persistent Pulmonary Hypertension in a Neonate With Transposition of Great Arteries and Intact Ventricular Septum. World J Pediatr Congenit Heart Surg 2015; 6:462-5. [DOI: 10.1177/2150135114558848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Transposition of the great arteries (TGA) with intact ventricular septum (IVS) has very favorable short- and long-term surgical outcome. Although rare, when associated with persistent pulmonary hypertension (PPH), it exhibits significant mortality risk and management challenges. We report the case of a neonate with TGA with IVS and PPH who underwent successful early surgical repair with emphasis on clinical management and review of the literature.
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Affiliation(s)
- Mohsen Karimi
- Department of Surgery, Section of Cardiac Surgery, Pediatric Cardiothoracic Surgery, Northeast Pediatric Specialties (NEPS), Yale University School of Medicine, New Haven, CT, USA
- Connecticut Children’s Medical Center, Hartford, CT, USA
| | - Paul M. Kirshbom
- Department of Surgery, Section of Cardiac Surgery, Pediatric Cardiothoracic Surgery, Northeast Pediatric Specialties (NEPS), Yale University School of Medicine, New Haven, CT, USA
- Connecticut Children’s Medical Center, Hartford, CT, USA
| | - Gary S. Kopf
- Department of Surgery, Section of Cardiac Surgery, Pediatric Cardiothoracic Surgery, Northeast Pediatric Specialties (NEPS), Yale University School of Medicine, New Haven, CT, USA
- Connecticut Children’s Medical Center, Hartford, CT, USA
| | - Margaret M. Steele
- Department of Surgery, Section of Cardiac Surgery, Pediatric Cardiothoracic Surgery, Northeast Pediatric Specialties (NEPS), Yale University School of Medicine, New Haven, CT, USA
- Connecticut Children’s Medical Center, Hartford, CT, USA
| | - Jill M. Sullivan
- Department of Surgery, Section of Cardiac Surgery, Pediatric Cardiothoracic Surgery, Northeast Pediatric Specialties (NEPS), Yale University School of Medicine, New Haven, CT, USA
- Connecticut Children’s Medical Center, Hartford, CT, USA
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18
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A Rare Cause of Persistent Pulmonary Hypertension Resistant to Therapy in The Newborn: Short-Rib Polydactyly Syndrome. Case Rep Pulmonol 2015; 2015:274639. [PMID: 26078906 PMCID: PMC4452873 DOI: 10.1155/2015/274639] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 03/24/2015] [Accepted: 04/20/2015] [Indexed: 12/01/2022] Open
Abstract
Short-rib polydactyly syndrome is an autosomal recessively inherited lethal skeletal dysplasia. The syndrome is characterized by marked narrow fetal thorax, short extremities, micromelia, cleft palate/lip, polydactyly, cardiac and renal abnormalities, and genital malformations. In cases with pulmonary hypoplasia, persistent pulmonary hypertension of the newborn can develop. In this paper, we present a term newborn with persistent pulmonary hypertension of the newborn, which has developed secondary to short-rib polydactyly syndrome and was resistant to therapy with inhaled nitric oxide and oral sildenafil.
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19
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Distefano G, Sciacca P. Molecular physiopathogenetic mechanisms and development of new potential therapeutic strategies in persistent pulmonary hypertension of the newborn. Ital J Pediatr 2015; 41:6. [PMID: 25887340 PMCID: PMC4328557 DOI: 10.1186/s13052-015-0111-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Accepted: 01/13/2015] [Indexed: 12/28/2022] Open
Abstract
Persistent pulmonary hypertension of the newborn (PPHN) is a cyanogenic plurifactorial disorder characterized by failed postnatal drop of pulmonary vascular resistance and maintenance of right-to-left shunt across ductus arteriosus and foramen ovale typical of intrauterine life. The pathogenesis of PPHN is very complex and can result from functional (vasoconstriction) or structural (arteriolar remodeling, reduced pulmonary vessels density) anomalies of pulmonary circulation. Etiopathogenetic factors heterogeneity can strongly condition therapeutical results and prognosis of PPHN that is particularly severe in organic forms that are usually refractory to selective pulmonary vasodilator therapy with inhaled nitric oxide. This paper reports the more recent acquisitions on molecular physiopathogenetic mechanisms underlying functional and structural forms of PPHN and illustrates the bases for adoption of new potential treatment strategies for organic PPHN. These strategies aim to reverse pulmonary vascular remodeling in PPHN with arteriolar smooth muscle hypertrophy and stimulate pulmonary vascular and alveolar growth in PPHN associated with lung hypoplasia.In order to restore lung growth in this severe form of PPHN, attention is focused on the results of studies of mesenchymal stem cells and their therapeutical paracrine effects on bronchopulmonry dysplasia, a chronic neonatal lung disease characterized by arrested vascular and alveolar growth and development of pulmonary hypertension.
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Affiliation(s)
- Giuseppe Distefano
- Department of Pediatrics, Pediatric Cardiology Service, University of Catania, Via S.Sofia 78, Catania, 95123, Italy.
| | - Pietro Sciacca
- Department of Pediatrics, Pediatric Cardiology Service, University of Catania, Via S.Sofia 78, Catania, 95123, Italy.
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20
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Lee EH, Choi BM. Clinical Application of Inhaled Nitric Oxide Therapy in Persistent Pulmonary Hypertension of the Newborn. NEONATAL MEDICINE 2015. [DOI: 10.5385/nm.2015.22.2.61] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Affiliation(s)
- Eun Hee Lee
- Department of Pediatrics, Korea University College of Medicine, Seoul, Korea
| | - Byung Min Choi
- Department of Pediatrics, Korea University College of Medicine, Seoul, Korea
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21
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Mydam J, Zidan M, Chouthai NS. A comprehensive study of clinical biomarkers, use of inotropic medications and fluid resuscitation in newborns with persistent pulmonary hypertension. Pediatr Cardiol 2015; 36:233-9. [PMID: 25107548 DOI: 10.1007/s00246-014-0992-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Accepted: 07/23/2014] [Indexed: 01/20/2023]
Abstract
Persistent pulmonary hypertension of the newborn (PPHN) is associated with high morbidity and mortality. This study evaluated clinical outcomes in PPHN in relation to echocardiographic (EC) markers, score of neonatal acute physiology, perinatal extension, version II (SNAPPE II) scores, inotropic agent use, and the amount of fluid received as boluses. In this retrospective chart analysis of 98 neonates with PPHN born at >34 weeks' gestation, we compared two cohorts of newborns: those who received inhaled nitric oxide and mechanical ventilation only, and who survived to discharge (Group 1); and those who required extracorporeal membrane oxygenation (ECMO) or who died (Group 2). Of 21 EC parameters assessed, seven were significantly different between Group 1 and Group 2. Eleven (24.4%) newborns in Group 2 had decreased left ventricular (LV) function, compared with three (5.1%) in Group 1 (p = 0.011). Median SNAPPE II scores were significantly higher in Group 2 than in Group 1 (p < 0.001). Newborns in Group 2 also received a significantly higher amount of fluid as boluses during the first 7 days of hospitalization compared with Group 1 (p = 0.018). Following logistic regression analysis, only the difference in total SNAPPE II score retained statistical significance (p < 0.001); however, the total amount of fluid administered as boluses trended higher (p = 0.087) for newborns in Group 2. Our findings show that SNAPPE II scores may help guide counseling for parents of newborns with PPHN regarding the likelihood of death or the need for ECMO. Limiting fluid boluses may improve outcomes in newborns with high SNAPPE II scores and decreased LV function.
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Affiliation(s)
- Janardhan Mydam
- Children's Hospital of Michigan, Wayne State University, Detroit, MI, USA,
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