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Long term outcomes in CDH: Cardiopulmonary outcomes and health related quality of life. J Pediatr Surg 2022; 57:501-509. [PMID: 35508437 DOI: 10.1016/j.jpedsurg.2022.03.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/27/2022] [Accepted: 03/18/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND With improvements in clinical management and an increase in CDH survivorship there is a crucial need for better understanding of long-term health outcomes in CDH. AIM To investigate the prevalence of cardiopulmonary health morbidity and health related quality of life (HRQoL) in CDH survivors. METHODS We included all studies (n = 65) investigating long-term cardiopulmonary outcomes in CDH patients more than 2 years published in the last 30 years. The Newcastle-Ottawa Scale and the CASP checklist for cohort studies were utilized to assess study quality. Results were reported descriptively and collated by age group where possible. RESULTS The incidence of pulmonary hypertension was highly variable (4.5-38%), though rates (%) appeared to diminish after 5 years of age. Lung function indices and radiological outcomes were frequently abnormal, and Health Related Quality of Life (HRQoL) reduced also. Long term diseases notably emphysema and COPD are not yet fully described in the contemporary literature. CONCLUSION This study underscores cardiopulmonary health morbidity and a reduced HRQoL among CDH survivors. Where not already available dedicated multidisciplinary follow-up clinics should be established to support these vulnerable patients transition safely into adulthood. Future research is therefore needed to investigate the risk factors for cardiopulmonary ill health and morbidity in CDH survivors. TYPE OF STUDY Systematic review of case control and cohort studies.
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Warncke G, Singer G, Windhaber J, Schabl L, Friehs E, Miekisch W, Gierschner P, Klymiuk I, Eber E, Zeder K, Pfleger A, Obermüller B, Till H, Castellani C. Volatile Organic Compounds, Bacterial Airway Microbiome, Spirometry and Exercise Performance of Patients after Surgical Repair of Congenital Diaphragmatic Hernia. Molecules 2021; 26:molecules26030645. [PMID: 33530644 PMCID: PMC7865878 DOI: 10.3390/molecules26030645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 01/22/2021] [Accepted: 01/22/2021] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to analyze the exhaled volatile organic compounds (VOCs) profile, airway microbiome, lung function and exercise performance in congenital diaphragmatic hernia (CDH) patients compared to healthy age and sex-matched controls. A total of nine patients (median age 9 years, range 6-13 years) treated for CDH were included. Exhaled VOCs were measured by GC-MS. Airway microbiome was determined from deep induced sputum by 16S rRNA gene sequencing. Patients underwent conventional spirometry and exhausting bicycle spiroergometry. The exhaled VOC profile showed significantly higher levels of cyclohexane and significantly lower levels of acetone and 2-methylbutane in CDH patients. Microbiome analysis revealed no significant differences for alpha-diversity, beta-diversity and LefSe analysis. CDH patients had significantly lower relative abundances of Pasteurellales and Pasteurellaceae. CDH patients exhibited a significantly reduced Tiffeneau Index. Spiroergometry showed no significant differences. This is the first study to report the VOCs profile and airway microbiome in patients with CDH. Elevations of cyclohexane observed in the CDH group have also been reported in cases of lung cancer and pneumonia. CDH patients had no signs of impaired physical performance capacity, fueling controversial reports in the literature.
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MESH Headings
- Acetone/analysis
- Adolescent
- Bacteria/classification
- Bacteria/genetics
- Bacteria/isolation & purification
- Child
- DNA, Bacterial/genetics
- DNA, Ribosomal/genetics
- Exercise
- Female
- Hernias, Diaphragmatic, Congenital/metabolism
- Hernias, Diaphragmatic, Congenital/physiopathology
- Hernias, Diaphragmatic, Congenital/surgery
- Herniorrhaphy/methods
- Humans
- Male
- Microbiota
- Pentanes/analysis
- Phylogeny
- RNA, Ribosomal, 16S/genetics
- Spirometry
- Vital Capacity
- Volatile Organic Compounds/analysis
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Affiliation(s)
- Gert Warncke
- Department of Paediatric and Adolescent Surgery, Medical University Graz, 8036 Graz, Austria; (G.W.); (J.W.); (L.S.); (E.F.); (B.O.); (H.T.); (C.C.)
| | - Georg Singer
- Department of Paediatric and Adolescent Surgery, Medical University Graz, 8036 Graz, Austria; (G.W.); (J.W.); (L.S.); (E.F.); (B.O.); (H.T.); (C.C.)
- Correspondence: ; Tel.: +43-316-385-83722
| | - Jana Windhaber
- Department of Paediatric and Adolescent Surgery, Medical University Graz, 8036 Graz, Austria; (G.W.); (J.W.); (L.S.); (E.F.); (B.O.); (H.T.); (C.C.)
| | - Lukas Schabl
- Department of Paediatric and Adolescent Surgery, Medical University Graz, 8036 Graz, Austria; (G.W.); (J.W.); (L.S.); (E.F.); (B.O.); (H.T.); (C.C.)
| | - Elena Friehs
- Department of Paediatric and Adolescent Surgery, Medical University Graz, 8036 Graz, Austria; (G.W.); (J.W.); (L.S.); (E.F.); (B.O.); (H.T.); (C.C.)
| | - Wolfram Miekisch
- Department of Anesthesiology and Intensive Care Medicine, Rostock Medical Breath Research Analytics and Technologies (ROMBAT), Rostock University Medical Centre, 18057 Rostock, Germany; (W.M.); (P.G.)
| | - Peter Gierschner
- Department of Anesthesiology and Intensive Care Medicine, Rostock Medical Breath Research Analytics and Technologies (ROMBAT), Rostock University Medical Centre, 18057 Rostock, Germany; (W.M.); (P.G.)
| | - Ingeborg Klymiuk
- Core Facility Molecular Biology, Center for Medical Research, Medical University of Graz, 8036 Graz, Austria;
| | - Ernst Eber
- Department of Paediatrics and Adolescent Medicine, Division of Paediatric Pulmonology and Allergology, Medical University of Graz, 8036 Graz, Austria; (E.E.); (K.Z.); (A.P.)
| | - Katarina Zeder
- Department of Paediatrics and Adolescent Medicine, Division of Paediatric Pulmonology and Allergology, Medical University of Graz, 8036 Graz, Austria; (E.E.); (K.Z.); (A.P.)
| | - Andreas Pfleger
- Department of Paediatrics and Adolescent Medicine, Division of Paediatric Pulmonology and Allergology, Medical University of Graz, 8036 Graz, Austria; (E.E.); (K.Z.); (A.P.)
| | - Beate Obermüller
- Department of Paediatric and Adolescent Surgery, Medical University Graz, 8036 Graz, Austria; (G.W.); (J.W.); (L.S.); (E.F.); (B.O.); (H.T.); (C.C.)
| | - Holger Till
- Department of Paediatric and Adolescent Surgery, Medical University Graz, 8036 Graz, Austria; (G.W.); (J.W.); (L.S.); (E.F.); (B.O.); (H.T.); (C.C.)
| | - Christoph Castellani
- Department of Paediatric and Adolescent Surgery, Medical University Graz, 8036 Graz, Austria; (G.W.); (J.W.); (L.S.); (E.F.); (B.O.); (H.T.); (C.C.)
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Toussaint-Duyster LCC, van der Cammen-van Zijp MHM, de Jongste JC, Tibboel D, Wijnen RMH, Gischler SJ, van Rosmalen J, IJsselstijn H. Congenital diaphragmatic hernia and exercise capacity, a longitudinal evaluation. Pediatr Pulmonol 2019; 54:628-636. [PMID: 30741484 PMCID: PMC6593853 DOI: 10.1002/ppul.24264] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 09/27/2018] [Accepted: 11/20/2018] [Indexed: 11/10/2022]
Abstract
OBJECTIVE Children with congenital diaphragmatic hernia (CDH) suffer from long-term pulmonary morbidity. Longitudinal data of exercise capacity in these children are lacking. We hypothesized that exercise capacity would be impaired in children with CDH and deteriorates over time. We evaluated exercise capacity and its determinants in CDH patients longitudinally until 12 years of age. DESIGN Prospective longitudinal follow-up study in tertiary university hospital. PATIENTS One hundred and fourteen children with CDH born between 1999 and 2012. METHODS Exercise capacity was evaluated using the Bruce treadmill-protocol at the ages of 5, 8, and 12 years. Primary outcome parameter was standard deviation score (SDS) of maximal endurance time. Data were analyzed by using linear mixed models. RESULTS A total of 107 children (30 treated with extracorporeal membrane oxygenation [ECMO]) performed 191 reliable exercise tests. At ages 5, 8, and 12 years, the mean (95%CI) SDS endurance time was -0.44 (-0.65 to -0.24); -1.01 (-1.23 to -0.78); -1.10 (-1.40 to -0.80), respectively, all less than zero (P < 0.001). Exercise capacity declined significantly over time irrespective of ECMO-treatment (5-12 years: non-ECMO P = 0.015; ECMO P = 0.006). Duration of initial hospital stay and diffusion capacity corrected for alveolar volume were associated with SDS endurance time (P < 0.001 and P = 0.039). CONCLUSIONS In CDH patients exercise capacity deteriorates between 5 and 12 years of age, irrespective of ECMO-treatment. CDH patients may benefit from long-term assessments of exercise capacity with timely intervention.
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Affiliation(s)
- Leontien C C Toussaint-Duyster
- Department of Pediatric Surgery and Intensive Care, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands.,Department of Orthopedics, Section of Physical Therapy, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Monique H M van der Cammen-van Zijp
- Department of Pediatric Surgery and Intensive Care, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands.,Department of Orthopedics, Section of Physical Therapy, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Johan C de Jongste
- Department of Pediatrics, Division of Respiratory Medicine, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Dick Tibboel
- Department of Pediatric Surgery and Intensive Care, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Rene M H Wijnen
- Department of Pediatric Surgery and Intensive Care, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Saskia J Gischler
- Department of Pediatric Surgery and Intensive Care, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Joost van Rosmalen
- Department of Biostatistics, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Hanneke IJsselstijn
- Department of Pediatric Surgery and Intensive Care, Erasmus MC-Sophia Children's Hospital, Rotterdam, the Netherlands
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Morini F, Valfrè L, Bagolan P. Long-term morbidity of congenital diaphragmatic hernia: A plea for standardization. Semin Pediatr Surg 2017; 26:301-310. [PMID: 29110826 DOI: 10.1053/j.sempedsurg.2017.09.002] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Congenital diaphragmatic hernia (CDH) survivors present long-term morbidities in several systems, including the neurodevelopmental, gastrointestinal, pulmonary, and musculoskeletal ones, and CDH long-term sequelae are increasingly being recognized. Due to high co-morbidity, health related quality of life in a significant proportion of CDH patients might be compromised. As a consequence of consciousness on the long-term sequelae of CDH survivors, and their consequences for life, several follow-up programs were brought to life worldwide. In this review, we will summarize the long-term sequelae of CDH survivors, the impact of new treatments, and analyze the consistency of follow-up programs.
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Affiliation(s)
- Francesco Morini
- Neonatal Surgery Unit, Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Laura Valfrè
- Neonatal Surgery Unit, Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Pietro Bagolan
- Neonatal Surgery Unit, Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.
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van der Cammen-van Zijp MHM, Spoel M, Laas R, Hop WCJ, de Jongste JC, Tibboel D, van den Berg-Emons RJG, IJsselstijn H. Exercise capacity, daily activity, and severity of fatigue in term born young adults after neonatal respiratory failure. Scand J Med Sci Sports 2012; 24:144-51. [PMID: 22724460 DOI: 10.1111/j.1600-0838.2012.01491.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/05/2012] [Indexed: 11/30/2022]
Abstract
Little is known about long-term effects of neonatal intensive care on exercise capacity, physical activity, and fatigue in term borns. We determined these outcomes in 57 young adults, treated for neonatal respiratory failure; 27 of them had congenital diaphragmatic hernia with lung hypoplasia (group 1) and 30 had normal lung development (group 2). Patients in group 2 were age-matched, with similar gestational age and birth weight, and similar neonatal intensive care treatment as patients in group 1. All patients were born before the era of extracorporeal membrane oxygenation, nitric oxide administration, and high frequency ventilation. Exercise capacity was measured by cycle ergometry, daily physical activity with an accelerometry-based activity monitor, and fatigue by the fatigue severity scale. Median (range) VO2peak in mL/kg/min was 35.4 (19.6-55.0) in group 1 and 37.6 (15.7-52.7) in group 2. There was a between-group P-value of 0.65 for exercise capacity. Daily activity and fatigue were also similar in both groups. So, residual lung hypoplasia did not play an important role in this cohort. There were no significant associations between exercise capacity and perinatal characteristics. Future studies need to elucidate whether exercise capacity is impaired in patients with more severe lung hypoplasia who nowadays survive.
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Affiliation(s)
- M H M van der Cammen-van Zijp
- Intensive Care and Department of Pediatric Surgery, and Department of Rehabilitation Medicine and Physical Therapy, ErasmusMC - Sophia Children's Hospital, Rotterdam, the Netherlands
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Turchetta A, Fintini D, Cafiero G, Calzolari A, Giordano U, Cutrera R, Morini F, Braguglia A, Bagolan P. Physical activity, fitness, and dyspnea perception in children with congenital diaphragmatic hernia. Pediatr Pulmonol 2011; 46:1000-6. [PMID: 21520442 DOI: 10.1002/ppul.21471] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2010] [Revised: 01/28/2011] [Accepted: 02/21/2011] [Indexed: 11/08/2022]
Abstract
We assessed whether physical activity could influence the performance and perception of dyspnea in children who were operated on for high risk congenital diaphragmatic hernia (CDH). We hypothesized that CDH children with normal activity would have better lung function and exercise performance level when compared to sedentary CDH subjects. We studied 18 children (11 males and 7 females, mean age 6.6 ± 2.6 years) who were surgically corrected. All children underwent physical examination, ECG at rest, and a maximal exercise stress test on a treadmill to measure the duration of exercise, maximal heart rate and blood pressure, maximal oxygen uptake (VO(2) max and VO(2) ml/kg/min). Lung function testing to measure forced vital capacity (FVC), forced expiratory volume in 1 sec (FEV(1) ), and peak expiratory flow (PEF) was also performed. Following the stress test, the Dalhousie dyspnea and effort scale was shown to children as a pictorial panel with three groups of increasing (from 1 to 7) levels of effort perception, throat discomfort, and chest dyspnea. Children were divided into group A (sedentary) and group B (regular physical participation). There was no difference in CDH severity between the two groups. Group A had a statistically significant lower duration of exercise (P < 0.01), maximal oxygen consumption (VO(2) max P < 0.0001), VO(2) ml/kg/min (P < 0.001), higher throat closing feeling (P < 0.004), chest dyspnea (P < 0.001), and effort perception (P < 0.04) compared to group B. No differences were found in lung function tests. In conclusion, our data may suggest that children with a history of CDH who are active maintain a higher level of performance with less perception of dyspnea and effort.
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Affiliation(s)
- Attilio Turchetta
- Cardiorespiratory and Sport Medicine Unit, Cardiology and Cardiac Surgery Department, Bambino Gesù Children's Hospital, Rome, Italy.
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7
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Prendergast M, Rafferty GF, Davenport M, Persico N, Jani J, Nicolaides K, Greenough A. Three-dimensional ultrasound fetal lung volumes and infant respiratory outcome: a prospective observational study. BJOG 2011; 118:608-14. [PMID: 21291507 DOI: 10.1111/j.1471-0528.2010.02841.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To determine if fetal lung volumes (FLVs), determined by three-dimensional rotational ultrasound and virtual organ computer-aided analysis software (vocal), correlated with neonatal respiratory outcomes in surviving infants who had a high risk [fetuses with congenital diaphragmatic hernia (CDH)], lower risk [fetuses with anterior wall defects (AWDs)] and no risk (controls) of abnormal antenatal lung growth. DESIGN Prospective observational study. SETTING Tertiary fetal medicine and neonatal intensive care units. POPULATION Sixty fetuses (25 with CDH, 25 with AWDs and ten controls). METHODS FLVs were measured and expressed as the percentage of the observed compared with the expected for gestational age. MAIN OUTCOME MEASURES Neonatal respiratory outcome was determined by the duration of supplemental oxygen, mechanical ventilation and dependencies, and assessment of lung volume using a gas dilution technique to measure functional residual capacity (FRC). RESULTS The infants with CDH had lower FLV results than both the infants with AWDs (P=0.05) and the controls (P<0.05). The infants with CDH had longer durations of mechanical ventilation (P<0.001) and supplementary oxygen (P<0.001) dependence, compared with infants with AWDs. The infants with CDH had a lower median FRC than both the infants with AWDs (P<0.001) and the controls (P<0.001). FLV results correlated significantly with the durations of dependency on ventilation (r= -0.744, P<0.01) and oxygen (r= -0.788, P<0.001), and with FRC results (r=0.429, P=0.001). CONCLUSIONS These results suggest that FLVs obtained using three-dimensional rotational ultrasound might be useful in predicting neonatal respiratory outcome in surviving infants who had varying risks of abnormal lung growth. Larger and more comprehensive studies are needed to clarify the role that lung volume measurements have in assessing lung function and growth.
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Affiliation(s)
- M Prendergast
- Division of Asthma, Allergy and Lung Biology, MRC and Asthma UK Centre in Allergic Mechanisms of Asthma, King's College London, London, UK
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van der Cammen-van Zijp MHM, Gischler SJ, Mazer P, van Dijk M, Tibboel D, Ijsselstijn H. Motor-function and exercise capacity in children with major anatomical congenital anomalies: an evaluation at 5 years of age. Early Hum Dev 2010; 86:523-8. [PMID: 20678870 DOI: 10.1016/j.earlhumdev.2010.06.014] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2009] [Revised: 05/16/2010] [Accepted: 06/29/2010] [Indexed: 01/18/2023]
Abstract
BACKGROUND Children with major anatomical congenital anomalies (CA) often need prolonged hospitalization with surgical interventions in the neonatal period and thereafter. Better intensive care treatment has reduced mortality rates, but at the cost of more morbidity. AIM To study motor-function and exercise capacity in five-year-old children born with CA, and to determine whether motor-function and exercise capacity differ according to primary diagnosis. STUDY DESIGN Descriptive study. SUBJECTS One-hundred-and-two children with the following CA: congenital diaphragmatic hernia (CDH) n=24, esophageal atresia (EA) n=29, small intestinal anomalies (SIA) n=25, and abdominal wall defects (AWD) n=24. OUTCOME MEASURES Overall and subtest percentile scores of the Movement-Assessment Battery for Children (M-ABC) were used to measure motor skills. Endurance time on the Bruce treadmill test was used to determine maximal exercise capacity. RESULTS Motor-function: Seventy-three children (71.6%) had an overall percentile score within the normal range, 18 (17.6%) were classified as borderline, and 11 (10.8%) had a motor problem. This distribution was different from that in the reference population (Chi square: p=0.001). Most problems were encountered in children with CDH and EA (p=0.001 and 0.013, respectively). Ball skills and balance were most affected. Exercise capacity: Mean standard deviation score (SDS) endurance time=-0.5 (SD: 1.3); p=0.001; due to poor exercise performance in CDH and EA patients. CONCLUSIONS Children with major anatomical CA and especially those with CDH and EA are at risk for delayed motor-function and disturbed exercise capacity.
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Abolmaali N, Koch A, Götzelt K, Hahn G, Fitze G, Vogelberg C. Lung volumes, ventricular function and pulmonary arterial flow in children operated on for left-sided congenital diaphragmatic hernia: long-term results. Eur Radiol 2010; 20:1580-9. [DOI: 10.1007/s00330-010-1723-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2009] [Revised: 11/23/2009] [Accepted: 12/17/2009] [Indexed: 10/19/2022]
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Abstract
Chronic lung disease (CLD), defined as chronic oxygen dependency, is a common outcome of neonatal intensive care. It occurs most frequently in infants born very prematurely, but also in infants born at term who had severe lung disease and those with abnormal antenatal lung growth due particularly to reduction in fetal breathing movements, amniotic fluid volume or intrathoracic space. There are, however, other causes and the importance of antenatal infection/inflammation regarding impairment of antenatal lung growth is increasingly recognised. Affected infants can suffer chronic respiratory morbidity including an excess of respiratory symptoms and lung function abnormalities even in adulthood. Antenatal interventions directed at improving lung growth are available, but require testing inappropriately designed trials with pulmonary function at follow-up as an outcome.
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Affiliation(s)
- Anne Greenough
- Division of Asthma, Allergy and Lung Biology, King's College London School of Medicine, Denmark Hill, London, UK.
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Peetsold MG, Heij HA, Kneepkens CMF, Nagelkerke AF, Huisman J, Gemke RJBJ. The long-term follow-up of patients with a congenital diaphragmatic hernia: a broad spectrum of morbidity. Pediatr Surg Int 2009; 25:1-17. [PMID: 18841373 DOI: 10.1007/s00383-008-2257-y] [Citation(s) in RCA: 129] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/17/2008] [Indexed: 01/18/2023]
Abstract
Congenital diaphragmatic hernia (CDH) is a life-threatening anomaly with a mortality rate of approximately 40-50%, depending on case selection. It has been suggested that new therapeutic modalities such as nitric oxide (NO), high frequency oxygenation (HFO) and extracorporal membrane oxygenation (ECMO) might decrease mortality associated with pulmonary hypertension and the sequelae of artificial ventilation. When these new therapies indeed prove to be beneficial, a larger number of children with severe forms of CDH might survive, resulting in an increase of CDH-associated complications and/or consequences. In follow-up studies of infants born with CDH, many complications including pulmonary damage, cardiovascular disease, gastro-intestinal disease, failure to thrive, neurocognitive defects and musculoskeletal abnormalities have been described. Long-term pulmonary morbidity in CDH consists of obstructive and restrictive lung function impairments due to altered lung structure and prolonged ventilatory support. CDH has also been associated with persistent pulmonary vascular abnormalities, resulting in pulmonary hypertension in the neonatal period. Long-term consequences of pulmonary hypertension are unknown. Gastro-esophageal reflux disease (GERD) is also an important contributor to overall morbidity, although the underlying mechanism has not been fully understood yet. In adult CDH survivors incidence of esophagitis is high and even Barrett's esophagus may ensue. Yet, in many CDH patients a clinical history compatible with GERD seems to be lacking, which may result in missing patients with pathologic reflux disease. Prolonged unrecognized GERD may eventually result in failure to thrive. This has been found in many young CDH patients, which may also be caused by insufficient intake due to oral aversion and increased caloric requirements due to pulmonary morbidity. Neurological outcome is determined by an increased risk of perinatal and neonatal hypoxemia in the first days of life of CDH patients. In patients treated with ECMO, the incidence of neurological deficits is even higher, probably reflecting more severe hypoxemia and the risk of ECMO associated complications. Many studies have addressed the substantial impact of the health problems described above, on the overall well-being of CDH patients, but most of them concentrate on the first years after repair and only a few studies focus on the health-related quality of life in CDH patients. Considering the scattered data indicating substantial morbidity in long-term survivors of CDH, follow-up studies that systematically assess long-term sequelae are mandatory. Based on such studies a more focused approach for routine follow-up programs may be established.
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Affiliation(s)
- M G Peetsold
- Department of Pediatrics, VU University Medical Center, Amsterdam, The Netherlands.
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Keller RL. Antenatal and postnatal lung and vascular anatomic and functional studies in congenital diaphragmatic hernia: implications for clinical management. AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2007; 145C:184-200. [PMID: 17436304 DOI: 10.1002/ajmg.c.30130] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Congenital diaphragmatic hernia is characterized by fetal and neonatal lung hypoplasia as well as vascular hypoplasia. Antenatal imaging studies have been performed that attempt to quantify the degree of hypoplasia and its impact on infant prognosis. Prenatal and perinatal growth of the lung and vasculature are interdependent and their continued coordinated growth is critical for survival after birth in this patient population. Lung protection strategies appear to improve survival in newborns with diaphragmatic hernia, but a subset of infants remain who demonstrate sufficiently severe lung hypoplasia that we are unable to provide support long-term after birth. Fetal intervention is a strategy designed to enhance fetal lung growth towards improving survival in this most severely affected group, though other therapies to enhance postnatal lung and vascular growth should be concurrently investigated. However, any of these interventions will require careful selection of those infants at risk for poor outcome and thorough follow up, since long-term morbidity is significant in children with diaphragmatic hernia.
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Dotta A, Palamides S, Braguglia A, Crescenzi F, Ronchetti MP, Calzolari F, Iacobelli BD, Bagolan P, Corchia C, Orzalesi M. Lung volumes and distribution of ventilation in survivors to congenital diaphragmatic hernia (CDH) during infancy. Pediatr Pulmonol 2007; 42:600-4. [PMID: 17526007 DOI: 10.1002/ppul.20609] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
UNLABELLED The assessment of lung volumes, particularly functional residual capacity (FRC), is crucial for understanding lung development during infancy in CDH patients. AIM To evaluate changes in lung function during infancy in subjects with CDH treated with a "gentle ventilation" technique and delayed surgery strategy in the neonatal period. METHODS 13 CDH infants were studied twice and compared with a population of 28 healthy infants (HI). Tidal-Volume (Vt), respiratory rate (RR) and time to peak expiratory flow/expiratory time ratio (tPTEF/Te) were measured with an ultrasonic flow meter; Compliance (Crs) and Resistance (Rrs) of the respiratory system were studied with the single occlusion technique; FRC and Lung Clearance Index (LCI), were assessed with the sulfur hexafluoride (SF6) wash-in/wash-out technique. The differences between the first (T1) and second (T2) measurement in the CDH group were assessed by the Student's t-test for paired values. For each set of measurement (T1 and T2) the values were compared with HI by Student's t-test. RESULTS Mean age at test was 7.5 +/- 5.2 months for HI, 4.5 +/- 2.5 at T1 and 11.9 +/- 4.5 months at T2 for CDH infants. At T1 there were no significant differences between CDH infants and HI in Vt, Crs, and FRC, while tPTEF/te ratio was lower and RR, Rrs, and LCI were higher in CDH patients than in HI. At T2 Vt, Crs, and FRC remained normal in CDH patients as well as RR that, at this time was not different between CDH and healthy infants; tPTEF/te remained below and Rrs and LCI remained above normal ranges, indicating a persistent impairment in lower airways patency. CONCLUSIONS Lung function in infants with severe CDH is characterized by a persistent impairment in airways patency and significant inhomogeneity of ventilation, suggesting a peripheral bronchial obstruction even if the other lung function tests are within normal ranges.
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Affiliation(s)
- Andrea Dotta
- Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital-IRCCS, Rome, Italy.
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14
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Abstract
With improving treatment strategies for congenital diaphragmatic hernia (CDH) infants, an increase in survival of more severely affected patients can be expected. Consequently, more attention is now focused on long-term follow up of these patients. Many reports have emphasized associated morbidity, including pulmonary sequelae, neurodevelopmental deficits, gastrointestinal disorders, and other abnormalities. Therefore, survivors of CDH remain a complex patient population to care for throughout infancy and childhood, thus requiring long-term follow up. Much information has been provided from many centers regarding individual institutional improvements in overall survival. Few of these, however, have reported long-term follow up. The aim of this review is to describe the long-term outcome of survivors with CDH and to suggest a possible follow-up protocol for these patients.
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Affiliation(s)
- Pietro Bagolan
- Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, Rome, Italy.
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15
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Keller RL, Moore P, Teitel D, Hawgood S, McQuitty J, Fineman JR. Abnormal vascular tone in infants and children with lung hypoplasia: Findings from cardiac catheterization and the response to chronic therapy. Pediatr Crit Care Med 2006; 7:589-94. [PMID: 17006391 DOI: 10.1097/01.pcc.0000244401.53189.cb] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE We describe four cases of chronic pulmonary hypertension in infants and children with chronic lung disease and pulmonary hypoplasia due to severe congenital diaphragmatic hernia (CDH) or congenital cystic adenomatoid malformation (CCAM). We report data from cardiac catheterization under various conditions: baseline respiratory support and room air, hyperoxic and inhaled nitric oxide challenge. We further report cardiac catheterization measures after chronic pulmonary vasodilator therapy with sildenafil alone or a combination of sildenafil and inhaled nitric oxide (three patients). DESIGN Case series. SETTING Tertiary academic center. PATIENTS Infants and children ages 0-11 yrs with CDH (n = 3) or CCAM (n = 1) with evidence of chronic pulmonary hypertension by echocardiogram and cor pulmonale (n = 3). INTERVENTIONS Catheterization and pulmonary vasodilator therapy. MEASUREMENTS AND MAIN RESULTS Pulmonary vascular resistance, pulmonary arterial pressure, and changes in these measures were assessed. A 20% change in pulmonary vascular resistance was considered a clinically significant response. Ten catheterizations were performed in four patients. All patients had elevated pulmonary vascular resistance and pulmonary arterial pressures at initial catheterizations and significant vasodilation during inhaled nitric oxide. CONCLUSIONS Chronic lung disease following pulmonary hypoplasia from CDH and CCAM is associated with abnormal pulmonary vascular tone in infants and children with evidence of chronic pulmonary hypertension. Chronic pulmonary vasodilator therapy may improve pulmonary vascular function and enhance lung growth in infants and children who are treated during their period of potential for rapid lung growth.
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Affiliation(s)
- Roberta L Keller
- Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA
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16
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Trachsel D, Selvadurai H, Adatia I, Bohn D, Schneiderman-Walker J, Wilkes D, Coates AL. Resting and exercise cardiorespiratory function in survivors of congenital diaphragmatic hernia. Pediatr Pulmonol 2006; 41:522-9. [PMID: 16617447 DOI: 10.1002/ppul.20359] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Our objective was to study exercise capacity and cardiorespiratory response to exertion in survivors of congenital diaphragmatic hernia (CDH). This was a cross-sectional cohort study of 23 CDH survivors, aged 10-16 years, and 23 gender- and age-matched controls. Exercise testing was performed on a cycle ergometer, with cardiac output measurements made using exponential CO2 rebreathing. Pretest cardiorespiratory assessment was done by echocardiography and pulmonary function testing. Statistical analysis was performed using Student's t-test, regression analysis, and longitudinal model computing with spatial covariance structure. No echocardiographic evidence for pulmonary hypertension was found at rest (right ventricular systolic pressures, 27 +/- 6 mmHg). Mean pulmonary artery diameter on the side of the CDH was significantly smaller than contralaterally, but was within normal range (z-score, 0 +/- 1.1 vs. 1.2 +/- 1.6, P < 0.01). Exercise capacity was mildly reduced in CDH compared to controls and predictive data (maximum workload, 77% +/- 12% vs. 91% +/- 16% of predicted, P < 0.01). Cardiorespiratory response to exertion was not significantly different between groups. In conclusion, most adolescent CDH survivors have nearly normal exercise capacity and cardiorespiratory response to exertion. This study may prove useful in comparisons with future cohorts comprising more severely affected individuals now surviving due to improved neonatal care.
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Affiliation(s)
- Daniel Trachsel
- Division of Respiratory Medicine, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
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17
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Arena F, Baldari S, Centorrino A, Calabrò MP, Pajno G, Pajino G, Arena S, Andò F, Zuccarello B, Romeo G. Mid- and long-term effects on pulmonary perfusion, anatomy and diaphragmatic motility in survivors of congenital diaphragmatic hernia. Pediatr Surg Int 2005; 21:954-9. [PMID: 16240135 DOI: 10.1007/s00383-005-1557-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/20/2005] [Indexed: 10/25/2022]
Abstract
The aim of the present study was to evaluate the pulmonary sequelae and diaphragmatic motility in infant, adolescent and adult patients (pts) who had undergone the repair of a congenital diaphragmatic hernia. Thirty-one (81.5%) out of 38 survivors after left side CDH repair, without using a patch, were followed-up. They were subdivided in two groups. Group A (mid-term follow-up): 12 pts (39%) (5 males, 7 females) with a mean age of 4.5 years; Group B (long-term follow-up): 19 pts (61%) (9 males, 10 females) with a mean age of 21.0 years. All pts underwent physical examination, chest X-ray, diaphragmatic ultrasonographic (US) examination, pulmonary perfusion scintigraphy. Patients of the group B were also submitted to spirometry. All pts had a normal life-style and no one complained of respiratory symptoms. The chest X-ray revealed pathologic findings in 12 pts (39%). 8 pts (26%) showed chest wall alterations. The profile of the left diaphragmatic dome appeared irregular in 9 pts (29%). In all pts M-mode sonography disclosed a reduced diaphragmatic motility on the treated side. The mean pulmonary perfusion scintigraphy value on the affected side was 39.2+/-0.7%. The spirometric study showed normal values. We noted that the lung perfusion significantly and rapidly improved after CDH repair even the apparently hypoplastic and small lungs, the diaphragm maintained a good contractility during forced respiration.
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Affiliation(s)
- Francesco Arena
- Dipartimento di Scienze Pediatriche Mediche e Chirurgiche U.O.C. di Chirurgia Pediatrica, Università degli Studi di Messina, Viale Gazzi A.O.U. Policlinico, Pad. NI, 98125 Messina, Italy.
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18
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Arena F, Romeo C, Calabrò MP, Antonuccio P, Arena S, Romeo G. Long-term functional evaluation of diaphragmatic motility after repair of congenital diaphragmatic hernia. J Pediatr Surg 2005; 40:1078-81. [PMID: 16034748 DOI: 10.1016/j.jpedsurg.2005.03.058] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND/PURPOSE A few studies have taken into account the diaphragmatic function in patients successfully treated for congenital diaphragmatic hernia (CDH). Monodimensional sonography has been reported to be useful in assessing the diaphragmatic motility. Aim of the present study was to investigate, in a long-term follow-up, the diaphragmatic function after CDH repair. METHODS Ten patients, with a mean age of 16 (5-26) years, were enrolled. All had had a left diaphragmatic hernia repaired, but no one received a patch. Ten subjects of matched age were used as controls. The diaphragmatic excursions appear, at M-mode sonography, as a sinusoid; the amplitude of the curve on the vertical axis measured the movement in centimeters. Chest x-ray and spirometry were also performed in CDH patients. RESULTS A reduced diaphragmatic motility on the left (treated) side was recorded. The amplitude of the contraction was significantly reduced when compared with the contralateral side (1.19 +/- 0.2 vs 2.33 +/- 0.9 cm; P = .017) and was also significantly reduced in comparison with the motion of the left side of controls (1.19 +/- 0.2 vs 1.83 +/- 0.4 cm; P = .01). There was no difference in the amplitude of contraction between the left and right sides of control patients and between the right side of CDH patients and the controls. Spirometry was normal in all patients but one, who had a slight reduction of ventilation on the left side. CONCLUSION M-mode sonography appears as a very useful tool in quantitative evaluation of diaphragmatic movements and should be extensively used during follow-up of patients after CDH repair. Motility of the repaired diaphragmatic is reduced, even after a long period, but this does not affect the respiratory function in patients who survived CDH repair.
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Affiliation(s)
- Francesco Arena
- Department of Medical and Surgical Pediatric Sciences, University of Messina, Italy.
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Hamutcu R, Nield TA, Garg M, Keens TG, Platzker ACG. Long-term pulmonary sequelae in children who were treated with extracorporeal membrane oxygenation for neonatal respiratory failure. Pediatrics 2004; 114:1292-6. [PMID: 15520110 DOI: 10.1542/peds.2003-1080-l] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Extracorporeal membrane oxygenation (ECMO) is a life-saving therapy for neonates with intractable respiratory failure, but the long-term pulmonary outcome is unknown. Our aim was to investigate the long-term pulmonary sequelae of these children. STUDY DESIGN We studied 50 children at 11.1 +/- 1.1 years (mean +/- SD) who had been treated with neonatal ECMO for meconium aspiration syndrome (38%), sepsis (18%), sepsis with pneumonia (12%), congenital diaphragmatic hernia (12%), congenital heart disease (8%), persistent pulmonary hypertension of the newborn (6%), and respiratory distress syndrome (4%) and 27 healthy controls (10.8 +/- 1.6 years). All subjects completed a respiratory questionnaire and performed pulmonary function and graded cardiopulmonary exercise testing. RESULTS Neonatal ECMO survivors had hyperinflation (median residual volume: 131%), airway obstruction (median forced expired volume in 1 second: 79%), lower oxygen saturation with exercise, and lower peak oxygen consumption than controls. The ECMO group achieved similar exercise minute ventilation to controls, with more rapid and shallow breathing. ECMO survivors had an increased frequency of exercise-induced bronchospasm. Those who required higher inspired oxygen tension and ventilator pressures after weaning from ECMO had lower forced expired volume in 1 second and oxygen saturation values. CONCLUSION Neonatal ECMO survivors experience lung injury lasting into later childhood. Lung dysfunction correlates with the extent and duration of barotrauma and oxygen exposure as neonates.
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Affiliation(s)
- Refika Hamutcu
- Division of Pediatric Pulmonology, Childrens Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA 90027, USA
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20
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Stefanutti G, Filippone M, Tommasoni N, Midrio P, Zucchetta P, Moreolo GS, Toffolutti T, Baraldi E, Gamba P. Cardiopulmonary anatomy and function in long-term survivors of mild to moderate congenital diaphragmatic hernia. J Pediatr Surg 2004; 39:526-31. [PMID: 15065021 DOI: 10.1016/j.jpedsurg.2003.12.006] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND/PURPOSE In the last decades, several studies regarding cardiopulmonary sequelae in survivors of congenital diaphragmatic hernia (CDH) have been published, but results often are conflicting, and controversies still exist. The aim of this study was to assess cardiopulmonary anatomic and functional outcome in a group of long-term survivors of CDH of mild to moderate degree. METHODS Twenty-four children aged 8.15 +/- 2.80 years underwent clinical examination with growth assessment, chest radiographs, echocardiography, pulmonary perfusion scintigraphy, static lung volumes measurement, and spirometry. RESULTS Mean Z scores of weight for age and height for age were within normal values. Echocardiography showed normal anatomy and function in all but 3 patients with isolated CDH, in whom minor alterations were detected. Mean perfusion to the affected side was significantly lower (45.16 +/- 5.30%; P <.0001) but still within normal range. Four children showed a substantial impairment of perfusion to the hernia side. The mean spirometric values and pulmonary volumes were normal. However, a mild restrictive pattern was evident in 6 children (27.3%), an obstructive pattern in 3 (13.6%), and a mixed obstructive and restrictive impairment in 1. CONCLUSIONS Hypoplastic lungs of mild to moderate CDH survivors continue to cause pulmonary morbidity in some children many years after the correction of the defect. In particular, lung perfusion appears to be impaired in 20% of the patients and pulmonary function in 45%, without any significant cardiac or developmental sequelae. The negative correlation between FEV1 and duration of ventilation at presentation (r = -0.49; P =.026) may be caused by the consequences of lung hypoplasia, but initial ventilatory management may contribute to increased pulmonary morbidity. Relationship between perfusion and FEF25-75 (r = 0.61; p = 0.004) could reflect an equivalent degree of reduction in the caliber of distal airways and pulmonary vascular tree.
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Bagolan P, Casaccia G, Crescenzi F, Nahom A, Trucchi A, Giorlandino C. Impact of a current treatment protocol on outcome of high-risk congenital diaphragmatic hernia. J Pediatr Surg 2004; 39:313-8; discussion 313-8. [PMID: 15017544 DOI: 10.1016/j.jpedsurg.2003.11.009] [Citation(s) in RCA: 132] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND There is considerable debate regarding the optimal management of congenital diaphragmatic hernia (CDH) in high-risk infants (those cases presenting with respiratory distress within 2 hours of birth or those diagnosed prenatally). The aim of this study was to analyze patient outcomes using a new treatment protocol for CDH in a tertiary care non-extracorporeal membrane oxygenation (ECMO) neonatal unit. METHODS The records of 78 consecutive neonates with CDH presenting to Bambino Gesù Children's Hospital from 1996 to 2001 were analyzed retrospectively. Of these infants, 70 high-risk patients were identified (prenatal diagnosis or respiratory distress requiring intubation and assisted ventilation within 2 hours after birth), regardless of associated anomalies, medical condition on presentation, or degree of pulmonary hypoplasia. A prenatal diagnosis was made in 46 of 70 (66%) patients. Associated lethal malformations were present in 6 of the children (8.5%). The patients were placed in 3 historical groups: group 1, 19 patients from 1996 to 1997, group 2, 22 patients from 1998 to 1999, and group 3, 29 patients from 2000 to 2001. In the first 2 groups, a new protocol was introduced using inhaled nitric oxide (iNO) and high-frequency oxygen ventilation (HFOV). In the third group, gentle ventilation and permissive hypercarbia were also used routinely. Mortality and severe morbidity--defined as O2 requirement at discharge, need for a tracheostomy, neurologic impairment, or bilateral hearing loss-were evaluated when the patients were at 6 months old. Univariate analysis was performed. RESULTS The 3 groups were comparable with respect to predictive risk factors such as side of hernia, prenatal diagnosis, polyhydramnios, stomach and liver in the thorax, associated lethal malformations, and patch. Overall survival rate significantly increased from 47% (9 of 19) in group 1 and 50% (11 of 22) in group 2 to 90% (26 of 29) in group 3 (P =.02). None of the 19 patients in group 1 had severe morbidity compared with 2 of 22 (9%) patients in group 2 and 2 of 29 (7%) patients in group 3. Hearing loss was observed in 4 patients. Mortality rate and preoperative pneumothorax significantly decreased in group 3 compared with groups 1 and 2 (P =.03 and P =.00, respectively). CONCLUSIONS (1) The application of new treatment protocol for CDH, using gentle ventilation and permissive hypercarbia, produced a significant increase in survival with concomitant decrease in morbidity. (2) The rate of pneumothorax was significantly decreased by the introduction of permissive hypercarbia and gentle ventilation. (3) As more infants survive CDH without the use of ECMO, severe long-term sequelae of CDH can be recognized in these children.
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Affiliation(s)
- P Bagolan
- Neonatal Surgery Unit, NICU, Medical and Surgical Department of Neonatology, Bambino Gesù Children's Hospital, and Artemisia, Rome, Italy
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Affiliation(s)
- M S Zach
- Respiratory and Allergic Disease Division, Paediatric Department, University of Graz, Austria.
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23
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Affiliation(s)
- H IJsselstijn
- Department of Pediatric Surgery, Erasmus University and University Hospital/Sophia Children's Hospital, Rotterdam, The Netherlands
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Marven SS, Smith CM, Claxton D, Chapman J, Davies HA, Primhak RA, Powell CV. Pulmonary function, exercise performance, and growth in survivors of congenital diaphragmatic hernia. Arch Dis Child 1998; 78:137-42. [PMID: 9579155 PMCID: PMC1717468 DOI: 10.1136/adc.78.2.137] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A cohort of survivors of congenital diaphragmatic hernia (CDH), with matched controls, was studied to assess growth, respiratory function, and exercise performance. Nineteen of 24 survivors from an 11 year period (79%) were compared with 19 matched controls. Subjects had detailed auxology, performed spirometry and cycle ergometry, and completed questionnaires about respiratory symptoms and exercise. There were no significant differences between the groups for height, weight, sitting height, head circumference, or body mass index expressed as SD scores. The mean (95% confidence interval) percentage predicted forced vital capacity (FVC) was 84.7% (79.1 to 90.3) in index cases and 96.5% (91.4 to 101.6) in controls (p < 0.01). There was no significant difference in total lung capacity. Expiratory flow rates corrected for FVC were also similar between groups, suggesting normal airway function relative to lung size. Mean maximum oxygen consumption in ml/kg/min was 40.1 (36.8 to 43.4) and 42.2 (38.5 to 45.8) in index and control cases. These differences were not significant. Index cases achieved a similar minute ventilation to controls by more rapid and shallower breathing. Index cases had lower perception of their own fitness and lower enjoyment of exercise, although habitual activity levels were similar. Survivors of CDH repair have reduced functional lung volumes, but normal airway function compared with matched controls. They have no growth impairment nor significant impairment of exercise performance, although they have more negative perceptions of their own fitness. They should be encouraged and expected to participate fully in sport and exercise.
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Affiliation(s)
- S S Marven
- University Department of Paediatrics, Sheffield Children's Hospital
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