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Paul GR, Bai S, Jackson K, McCoy KS. Aquagenic wrinkling in children under two years of age: Could this be a potential clinical referral tool for cystic fibrosis among non-screened populations? J Cyst Fibros 2021; 20:e77-e83. [PMID: 34016560 DOI: 10.1016/j.jcf.2021.04.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/20/2021] [Accepted: 04/07/2021] [Indexed: 11/16/2022]
Abstract
BACKGROUND Early diagnosis via newborn screening is crucial to improve clinical outcomes in patients with cystic fibrosis (CF). In resource-limited areas where newborn screening is unavailable and CF-related morbidity is high, clinical tools such as palmar aquagenic wrinkling (AW) have been considered. We report the utility of AW for possible early identification of CF in children <2 years old. METHODS This pilot case-control study included 55 total children, 20 with confirmed CF, 10 CF carriers, and 25 healthy controls. The time to wrinkling (TTW) after hand immersion in water was recorded, and relationships between TTW, demographic and clinical variables, and validated diagnostic tests were analyzed. RESULTS Wrinkling was observed in children <2 years of age, and median TTW was significantly lower among those with CF (3 min) compared to carriers or healthy controls (12 and 14 min, respectively). Higher immunoreactive trypsinogen and sweat chloride levels were associated with lower TTW (p < 0.001). In this predominantly Caucasian cohort, children with F508del had the lowest TTW. Six minutes of hand immersion offered a sensitivity of 85% and a specificity of 91%, suggesting a practical and effective test duration for this age. There was no evidence that nutritional status affected TTW. CONCLUSION Our data confirm the role of AW in CF, validate test utility among young children, and analyze relationships between TTW, immunoreactive trypsinogen, sweat chloride levels, and CF-causing mutations. Despite test limitations, in children with suspected CF from non-screened populations, utility of AW in enabling early referral and diagnosis needs further exploration.
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Affiliation(s)
- Grace R Paul
- Division of Pulmonary Medicine, Nationwide Children's Hospital, Columbus, OH, USA.
| | - Shasha Bai
- Biostatistics Resource at Nationwide Children's Hospital, Columbus, OH, USA; Center for Biostatistics, The Ohio State University, Columbus, OH, USA.
| | - Kenneth Jackson
- Biostatistics Resource at Nationwide Children's Hospital, Columbus, OH, USA; Center for Biostatistics, The Ohio State University, Columbus, OH, USA.
| | - Karen S McCoy
- Division of Pulmonary Medicine, Nationwide Children's Hospital, Columbus, OH, USA.
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Litwin M, Kułaga Z. Obesity, metabolic syndrome, and primary hypertension. Pediatr Nephrol 2021; 36:825-837. [PMID: 32388582 PMCID: PMC7910261 DOI: 10.1007/s00467-020-04579-3] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/08/2020] [Accepted: 04/16/2020] [Indexed: 12/15/2022]
Abstract
Primary hypertension is the dominant form of arterial hypertension in adolescents. Disturbed body composition with, among other things, increased visceral fat deposition, accelerated biological maturation, metabolic abnormalities typical for metabolic syndrome, and increased adrenergic drive constitutes the intermediary phenotype of primary hypertension. Metabolic syndrome is observed in 15-20% of adolescents with primary hypertension. These features are also typical of obesity-related hypertension. Metabolic abnormalities and metabolic syndrome are closely associated with both the severity of hypertension and the risk of target organ damage. However, even though increased body mass index is the main determinant of blood pressure in the general population, not every hypertensive adolescent is obese and not every obese patient suffers from hypertension or metabolic abnormalities typical for metabolic syndrome. Thus, the concepts of metabolically healthy obesity, normal weight metabolically unhealthy, and metabolically unhealthy obese phenotypes have been developed. The risk of hypertension and hypertensive target organ damage increases with exposure to metabolic risk factors which are determined by disturbed body composition and visceral obesity. Due to the fact that both primary hypertension and obesity-related hypertension present similar pathogenesis, the principles of treatment are the same and are focused not only on lowering blood pressure, but also on normalizing body composition and metabolic abnormalities.
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Affiliation(s)
- Mieczysław Litwin
- Department of Nephrology and Arterial Hypertension, The Children's Memorial Health Institute, Warsaw, Poland.
| | - Zbigniew Kułaga
- grid.413923.e0000 0001 2232 2498Department of Public Health, The Children’s Memorial Health Institute, Warsaw, Poland
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Abstract
Research and application of genomic medicine in lung disease during the past century has clarified our understanding and focus on specific phenotypes, helping clinicians tailor treatment for individual patients. Cystic fibrosis and lung cancer have been researched extensively; specific genotypes have been instrumental in precision medicine to treat these lung diseases. Asthma and chronic obstructive pulmonary disease are more complex and heterogeneous in their pathogenesis, genotypic profile, and phenotypic expression, making treatment more difficult with increasing disease severity. This article focuses on the evolving state of the science of precision medicine in lung cancer, chronic obstructive pulmonary disease, asthma, and cystic fibrosis. The body of knowledge in lung disease is growing related to pharmacogenomics, clinical guidelines, genome editing, and approaches to genomic health that will guide clinical treatment options, reduce risk, and promote health.
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Agrawal A, Agarwal A, Mehta D, Sikachi RR, Du D, Wang J. Nationwide trends of hospitalizations for cystic fibrosis in the United States from 2003 to 2013. Intractable Rare Dis Res 2017; 6:191-198. [PMID: 28944141 PMCID: PMC5608929 DOI: 10.5582/irdr.2017.01043] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Cystic fibrosis (CF) is a multisystem autosomal recessive genetic disorder with significant advances in early diagnosis and treatment in the last decade. It is important to provide updated information regarding these changing demographics as they also reflect a considerable improvement in survival. We analyzed the National Inpatient Sample Database (NIS) in the United States for all patients in which CF was the primary discharge diagnosis (ICD-9: 277.0-277.09) from 2003 to 2013 to evaluate the rate of hospitalizations and determine the cost and mortality associated with CF along with other epidemiological findings. The statistical significance of the difference in the number of hospital discharges, lengths of stays and associated hospital costs over the study period was calculated. In 2003, there were 8,328 hospital discharges with the principal discharge diagnosis of CF in the United States, which increased to 12,590 discharges in 2013 (p < 0.001). The mean hospital charges increased by 57.64% from US$ 60,051 in 2003 to US$ 94,664 in 2013. The aggregate cost of hospital visits increased by 138.31% from US$ 500,105,727 to US$ 1,191,819,760. In the same time, the mortality decreased by 49.3 %. The number of inpatient discharges related to CF has increased from 2003 to 2013. This is due to increased life expectancy of CF patients, resulting in increased disease prevalence. There has been a significant increase in the mean and aggregate cost associated with CF admissions. Over the last decade, many advances have been made in the diagnosis and treatment of CF, consequentially leading to a significant transformation in the epidemiology and demographics of this chronic disease. Rising hospital costs associated with the care of CF patients necessitates future studies analyzing the diagnostic modalities, algorithms and treatment practices of physician's treating CF patients.
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Affiliation(s)
- Abhinav Agrawal
- Division of Pulmonary, Critical Care & Sleep Medicine, Hofstra Northwell School of Medicine, New York, NY, United States
- Address correspondence to: Dr. Abhinav Agrawal, Division of Pulmonary, Critical Care & Sleep Medicine, Hofstra Northwell School of Medicine, New York, NY 11549, United States. E-mail: ;
| | - Abhishek Agarwal
- Division of Pulmonary & Critical Care Medicine, Cooper University Hospital, Camden, NJ, United States
| | - Dhruv Mehta
- Department of Medicine, Westchester Medical Center, Westchester, NY, United States
| | - Rutuja R Sikachi
- Division of Pulmonary, Critical Care & Sleep Medicine, Hofstra Northwell School of Medicine, New York, NY, United States
- Department of Anesthesiology, Deenanath Mangeshkar Hospital & Research Center, Pune, India
| | - Doantrang Du
- Cystic Fibrosis Center, Department of Medicine, Monmouth Medical Center, Long Branch, NJ, United States
| | - Janice Wang
- Division of Pulmonary, Critical Care & Sleep Medicine, Hofstra Northwell School of Medicine, New York, NY, United States
- Cystic Fibrosis Center, Division of Pulmonary, Critical Care & Sleep Medicine, Hofstra Northwell School of Medicine, New York, NY, United States
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Lavie M, Manovitz T, Vilozni D, Levy-Mendelovich S, Sarouk I, Weintraubv I, Shoseyov D, Cohen-Cymberknoh M, Rivlin J, Efrati O. Long-term follow-up of distal intestinal obstruction syndrome in cystic fibrosis. World J Gastroenterol 2015; 21:318-325. [PMID: 25574107 PMCID: PMC4284351 DOI: 10.3748/wjg.v21.i1.318] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Revised: 08/27/2014] [Accepted: 09/30/2014] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the long-term follow-up of distal intestinal obstruction syndrome (DIOS) in Israeli cystic fibrosis (CF) patients.
METHODS: This is a multi-center, comparative, retrospective study in which we reviewed the medical records of all CF patients from three major CF centers in Israel who were treated in the period from 1980 to 2012. Patients diagnosed with DIOS were defined as the study group. The patients were diagnosed with DIOS based on their clinical presentation and typical findings on either abdominal X-ray or computerized tomography scan. For the control group, CF patients with no DIOS were matched to the patients in the study group for age, sex, and cystic fibrosis transmembrane conductance regulator (CFTR) mutations. For both groups, the collected data included age, sex, CFTR genotype, weight, height, and body mass index. Clinical data included respiratory function tests in the last five years prior to the study, respiratory function test immediately before and after the DIOS event, number of hospitalizations, sputum culture results, and CF-related conditions diagnosed according to the CF clinical practice guidelines. In the study group, data on the DIOS treatment and tendency for DIOS recurrence were also analyzed.
RESULTS: The medical charts for a total of 350 CF patients were reviewed. Of the 350 CF patients, 26 (7.4%) were diagnosed with DIOS. The control group included 31 CF patients with no DIOS diagnosis. The mean follow-up period was 21.6 ± 8.2 years. The total of DIOS episodes in the follow-up period was 60. The distribution of DIOS episodes was as follows: 6/26 (23.1%) study patients had one episode of DIOS in their lifetime, 7/26 (26.9%) had two episodes, 7/26 (26.9%) had three episodes, and 6/26 (23.1%) had four or more episodes. Compared to the control group, DIOS patients had a significantly higher incidence of meconium ileus in the past (65.4% vs 0%, respectively, P < 0.02), more Aspergillus spp. colonization (34.6% vs 3.2%, respectively, P < 0.02), and a higher number of hospitalizations due to respiratory exacerbations (8.6 vs 6.2 mean total hospitalizations per follow-up period, respectively, P < 0.02). No other significant differences were found between the control and study groups. The conservative treatment of DIOS, which mainly includes hydration and stool softeners, was successful in 82% of the episodes. The survival rate was similar for both groups.
CONCLUSION: CF patients with DIOS suffer from recurrent hospitalizations and airway pathogen acquisition. Although recurrence of DIOS is common, conservative treatment is successful in most patients.
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MacKenzie T, Gifford AH, Sabadosa KA, Quinton HB, Knapp EA, Goss CH, Marshall BC. Longevity of patients with cystic fibrosis in 2000 to 2010 and beyond: survival analysis of the Cystic Fibrosis Foundation patient registry. Ann Intern Med 2014; 161:233-41. [PMID: 25133359 PMCID: PMC4687404 DOI: 10.7326/m13-0636] [Citation(s) in RCA: 242] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Advances in treatments for cystic fibrosis (CF) continue to extend survival. An updated estimate of survival is needed for better prognostication and to anticipate evolving adult care needs. OBJECTIVE To characterize trends in CF survival between 2000 and 2010 and to project survival for children born and diagnosed with the disease in 2010. DESIGN Registry-based study. SETTING 110 Cystic Fibrosis Foundation-accredited care centers in the United States. PATIENTS All patients represented in the Cystic Fibrosis Foundation Patient Registry (CFFPR) between 2000 and 2010. MEASUREMENTS Survival was modeled with respect to age, age at diagnosis, gender, race or ethnicity, F508del mutation status, and symptoms at diagnosis. RESULTS Between 2000 and 2010, the number of patients in the CFFPR increased from 21,000 to 26,000, median age increased from 14.3 to 16.7 years, and adjusted mortality decreased by 1.8% per year (95% CI, 0.5% to 2.7%). Males had a 19% (CI, 13% to 24%) lower adjusted risk for death than females. Median survival of children born and diagnosed with CF in 2010 is projected to be 37 years (CI, 35 to 39 years) for females and 40 years (CI, 39 to 42 years) for males if mortality remains at 2010 levels and more than 50 years if mortality continues to decrease at the rate observed between 2000 and 2010. LIMITATIONS The CFFPR does not include all patients with CF in the United States, and loss to follow-up and missing data were observed. Additional analyses to address these limitations suggest that the survival projections are conservative. CONCLUSION Children born and diagnosed with CF in the United States in 2010 are expected to live longer than those born earlier. This has important implications for prognostic discussions and suggests that the health care system should anticipate greater numbers of adults with CF. PRIMARY FUNDING SOURCE Cystic Fibrosis Foundation.
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Sankaran K, Kalapurackal M, Wiebe S. Cystic fibrosis: an unusual neonatal presentation. Pediatr Pulmonol 2012; 47:620-2. [PMID: 22266831 DOI: 10.1002/ppul.21586] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Accepted: 09/19/2011] [Indexed: 11/11/2022]
Abstract
In mechanically ventilated neonates it is not uncommon to observe obstructive atelectasis from various causes. However it is extremely rare to see mucous plugging and massive pulmonary atelectasis in the absence of infection, aspiration, and respiratory distress syndrome in the first couple of days of life. In this report we describe a neonate born with cystic fibrosis (CF) who presented to us with hypoxic respiratory failure, pulmonary hypertension, and hypercarbia without lactic acedemia from sticky mucous plugging and massive lung collapse. Neonatal respiratory distress and wide spread pulmonary atelectasis has not been reported in infants born with CF.
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Affiliation(s)
- Koravangattu Sankaran
- Department of Paediatrics, College of Medicine, University of Saskatchewan, Saskatoon, Canada.
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What questions should newborn screening long-term follow-up be able to answer? A statement of the US Secretary for Health and Human Servicesʼ Advisory Committee on Heritable Disorders in Newborns and Children. Genet Med 2011; 13:861-5. [DOI: 10.1097/gim.0b013e3182209f09] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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De Boeck K, Bulteel V, Tiddens H, Wagner T, Fajac I, Conway S, Dufour F, Smyth AR, Lee T, Sermet I, Kassai B, Elborn S. Guideline on the design and conduct of cystic fibrosis clinical trials: the European Cystic Fibrosis Society-Clinical Trials Network (ECFS-CTN). J Cyst Fibros 2011; 10 Suppl 2:S67-74. [PMID: 21658644 DOI: 10.1016/s1569-1993(11)60010-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
We describe the rationale for disease specific research networks in general as well as the aims and function of the European Cystic Fibrosis Society-Clinical Trials Network (ECFS-CTN) specifically. The ECFS-CTN was founded in 2009 with the aim of improving the quality and quantity of clinical research in the area of cystic fibrosis (CF) in Europe. A network of 18 clinical trial sites in 8 European countries was established according to uniform state-of-the-art quality criteria. To support the ECFS-CTN in the acquisition, planning and conduct of clinical trials, the network is equipped with a coordinating centre, steering and executive committees, and committees for protocol review, standardization, training and networking as well as a data safety monitoring board. A strong partnership with European CF patient parent organizations aims to increase awareness of the need for efficient clinical research and the participation of patients in clinical trials.
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Affiliation(s)
- K De Boeck
- Department of Pediatrics, University Hospital of Leuven, Leuven, Belgium.
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Current World Literature. Curr Opin Pulm Med 2010; 16:623-7. [DOI: 10.1097/mcp.0b013e32834006f9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Hale JE, Parad RB, Dorkin HL, Gerstle R, Lapey A, O'Sullivan BP, Spencer T, Yee W, Comeau AM. Cystic fibrosis newborn screening: using experience to optimize the screening algorithm. J Inherit Metab Dis 2010; 33:S255-61. [PMID: 20521170 DOI: 10.1007/s10545-010-9117-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2010] [Revised: 04/16/2010] [Accepted: 04/20/2010] [Indexed: 10/19/2022]
Abstract
Newborn screening (NBS) for cystic fibrosis (CF) offers the opportunity for early diagnosis and improved outcomes in patients with CF and has been universally available in the state of Massachusetts since 1999 using an immunoreactive trypsinogen (IRT)-DNA algorithm. Ideally, CF NBS is incorporated as part of an integrated NBS system that allows for comprehensive and coordinated education, laboratory screening, clinical follow-up, and evaluation so that evidence-based data can be used to maximize quality improvements and optimize the screening algorithm. The New England Newborn Screening Program (NENSP) retrospectively analyzed Massachusetts's CF newborn screening data that yielded decisions to eliminate a screen-positive category, maintain the IRT cutoff value that prompts the second tier DNA testing, and communicate CF relative risk to primary care providers (PCPs) based on categorization of positive CF NBS results.
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Affiliation(s)
- Jaime E Hale
- New England Newborn Screening Program, UMass Medical School, Jamaica Plain, MA 02130, USA
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