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Salmi I, Hannawi S. Birthweight predicts adult cardiovascular disorders: Population based cross sectional survey. Clin Cardiol 2020; 43:1133-1141. [PMID: 32725822 PMCID: PMC7534004 DOI: 10.1002/clc.23419] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 06/25/2020] [Accepted: 06/28/2020] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Cardiovascular disease (CVD) is the primary cause of death in the developed-countries and mostly in the poorer areas of the country, and in lower income-groups. HYPOTHESIS Birthweight predicts adult development of angina, coronary heart disease, stroke, and combination of all CVD. METHODS The AusDiab is a cross-sectional study of Australians aged 25 years or over. Data on age, sex, previous-CVD, smoking-status, alcohol-intake, time-spent on watching television and physical-activity, total house-income, dwelling-type and education-level were collected by interviewer- administered-questionnaires. RESULTS Four thousand five hundred and two had birthweights (mean (SD) of 3.4(0.7) kg). Females in the lowest birthweight-quintile were at least 1.23, 1.48, 1.65, and 1.23 times more likely to have angina, CAD, stroke, and CVS compared to the referent group ≥3.72 kg with P = .123, .09, .099, and 0.176, respectively. Similarly, males in the lowest-birthweight-quintile were 1.23, 1.30, 1.39, and 1.26 times more likely to have angina, CAD, stroke, and CVS compared to the referent-group ≥4.05 kg with P = .231, .087, .102, and .123, respectively. Females with low birth weight (LBW) were at least 1.39, 1.40, 2.30, and 1.47 times more likely to have angina, CAD, stroke and CVS compared to those ≥2.5 kg with P = .06, .19, .03, and .13, respectively. Similarly, males with LBW were 1.76, 1.48, 3.34, and 1.70 times more likely to have angina, CAD, stroke, and CVS compared to those ≥2.5 kg with P = .14, .13, .03, and .08, respectively. CONCLUSION there was a negative relationship between birth weight and angina, CAD, stroke, and the overall CVS. It would be prudent, to adopt policies of intensified whole of life surveillance of lower-birthweight people, anticipating this risk.
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Affiliation(s)
- Issa Salmi
- The Medicine DepartmentThe Royal HospitalMuscatOman
- Oman Medical Specialty BoardMuscatOman
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Abstract
Under physiological conditions, the arterial endothelium exerts a powerful protective influence to maintain vascular homeostasis. However, during the development of vascular disease, these protective activities are lost, and dysfunctional endothelial cells actually promote disease pathogenesis. Numerous investigations have analyzed the characteristics of dysfunctional endothelium with a view to understanding the processes responsible for the dysfunction and to determining their role in vascular pathology. This review adopts an alternate approach: reviewing the mechanisms that contribute to the initial formation of a healthy protective endothelium and on how those mechanisms may be disrupted, precipitating the appearance of dysfunctional endothelial cells and the progression of vascular disease. This approach, which highlights the role of endothelial adherens junctions and vascular endothelial-cadherin in endothelial maturation and endothelial dysfunction, provides new insight into the remarkable biology of this important cell layer and its role in vascular protection and vascular disease.
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Gurusinghe S, Tambay A, Sethna CB. Developmental Origins and Nephron Endowment in Hypertension. Front Pediatr 2017; 5:151. [PMID: 28706894 PMCID: PMC5489607 DOI: 10.3389/fped.2017.00151] [Citation(s) in RCA: 25] [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: 03/29/2017] [Accepted: 06/15/2017] [Indexed: 12/27/2022] Open
Abstract
Primary hypertension continues to be one of the main risk factors for cardiovascular disease worldwide. A stable intrauterine environment is critical for the future development and health of the fetus. The developing kidney has been found to be especially vulnerable during this time period, and epidemiological studies have demonstrated that an adverse in utero environment is associated with an increased risk of hypertension and chronic kidney disease. Macro- and micronutrient deficiencies as well as exposure to tobacco, alcohol, and certain medications during gestation have been shown to negatively impact nephrogenesis and reduce one's nephron number. In 1988, Brenner et al. put forth the controversial hypothesis that a reduced nephron complement is a risk factor for hypertension and chronic kidney disease in adulthood. Since then numerous animal and human studies have confirmed this relationship demonstrating that there is an inverse association between blood pressure and nephron number. As our understanding of the developmental programming of hypertension and other non-communicable diseases improves, more effective preventive health measures can be developed in the future.
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Affiliation(s)
- Shari Gurusinghe
- Department of Pediatrics, Division of Pediatric Nephrology, Cohen Children's Medical Center of New York, New York, NY, United States
| | - Anita Tambay
- Department of Pediatrics, Division of Pediatric Nephrology, Cohen Children's Medical Center of New York, New York, NY, United States
| | - Christine B Sethna
- Department of Pediatrics, Division of Pediatric Nephrology, Cohen Children's Medical Center of New York, New York, NY, United States
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Fujita H, Matsuoka S, Awazu M. White-Coat and Reverse White-Coat Effects Correlate with 24-h Pulse Pressure and Systolic Blood Pressure Variability in Children and Young Adults. Pediatr Cardiol 2016; 37:345-52. [PMID: 26481222 DOI: 10.1007/s00246-015-1283-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 10/09/2015] [Indexed: 11/30/2022]
Abstract
Masked hypertension (MH) and white-coat hypertension (WCH) are associated with organ damage. In the present study, we examined the correlation between the magnitude of white-coat effect (WCE) or reverse WCE (RWCE) and 24-h pulse pressure (PP), an indicator of target organ damage and arterial stiffness, in children and young adults. We also examined the relationship of WCE or RWCE and blood pressure (BP) variability, another predictor of clinical outcomes. One hundred and ninety-eight subjects were studied. According to the office BP and ambulatory BP, they were divided into normotension, WCH, MH, and hypertension. The magnitude of WCE or RWCE, along with male gender and 24-h systolic BP, was the determinant of 24-h PP. In subjects with 24-h PP ≥ 61 mmHg, the magnitude of WCE or RWCE, age, male ratio, height, weight, BMI, the percentage of secondary hypertension, that of MH, office systolic BP, and 24-h systolic BP were significantly greater. There was a progressive increase in 24-h PP from normotension, WCH, MH, to hypertension. BP variability in subjects with MH was numerically highest in both systolic and diastolic. Diastolic BP variability of WCH, MH, and hypertension was significantly higher than that of normotension. Finally, the magnitude of WCE or RWCE in systolic showed a significant correlation with systolic BP variability. In conclusion, the magnitude of WCE or RWCE correlates with 24-h PP and systolic BP variability, which may suggest increased arterial stiffness in WCH and MH.
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Affiliation(s)
- Hisayo Fujita
- Department of Pediatrics, Hiratsuka Kyosai Hospital, Kanagawa, Japan
| | | | - Midori Awazu
- Department of Pediatrics, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
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Ueda K, Awazu M, Konishi Y, Takenouchi T, Shimozato S, Kosaki K, Takahashi T. Persistent Hypertension Despite Successful Dilation of a Stenotic Renal Artery in a Boy With Neurofibromatosis Type 1. Am J Med Genet A 2013; 161A:1154-7. [DOI: 10.1002/ajmg.a.35829] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2012] [Accepted: 12/04/2012] [Indexed: 11/08/2022]
Affiliation(s)
| | - Midori Awazu
- Department of Pediatrics; School of Medicine, Keio University; Tokyo; Japan
| | - Yoriko Konishi
- Department of Pediatrics; School of Medicine, Keio University; Tokyo; Japan
| | - Toshiki Takenouchi
- Department of Pediatrics; School of Medicine, Keio University; Tokyo; Japan
| | - Sachiko Shimozato
- Department of Pediatrics; School of Medicine, Keio University; Tokyo; Japan
| | - Kenjiro Kosaki
- Center for Medical Genetics; School of Medicine, Keio University; Tokyo; Japan
| | - Takao Takahashi
- Department of Pediatrics; School of Medicine, Keio University; Tokyo; Japan
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Abstract
Cardiovascular complications occurring in adults find their roots in risk factors operating early in life. Among the factors influencing cardiovascular risk, blood pressure values in children represent an important measurable marker of the level of potential cardiovascular risk later in life because the levels are both the cause and the consequence of early vascular alterations. Early vascular phenotypes represent a field of great interest, and they can be studied through indirect assessment using non-invasive techniques. Estimations of blood pressure components, pulse wave velocity, and reflecting waves provide valuable information that can be easily recorded and repeated overtime. A direct assessment, carried out by examining the umbilical vessels, can add further valuable information. In this review, we discuss the potential application of surrogate markers of early vascular alterations and describe the information provided by umbilical cord vessels.
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Lurbe E, Carvajal E, Torro I, Aguilar F, Alvarez J, Redon J. Influence of concurrent obesity and low birth weight on blood pressure phenotype in youth. Hypertension 2009; 53:912-7. [PMID: 19414646 DOI: 10.1161/hypertensionaha.109.129155] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aim of this study was to assess the impact of obesity and low birth weight on both office and ambulatory blood pressure (BP) values, as well as on aortic-derived parameters in youths. A total of 422 white youths, from 10 to 18 years of age, were included. Subjects were divided into 4 groups according to the presence (234; 55%) or the absence (188; 45%) of obesity and according to low (114; 27%) or normal (308; 73%, birth weight. Spacelabs 90207 was used to measure ambulatory BP during a 24-hour period. SphygmoCor radial/aortic transform software was used to estimate aortic pressure waveform. Office, 24-hour, daytime, and nighttime systolic BP values were significantly higher in those subjects with low birth weight who became obese. The lowest BP values were present in nonobese subjects in the absence of low birth weight. In the middle, with similar BP values, were nonobese subjects with low birth weight and obese subjects in the absence of low birth weight. No interaction existed between obesity and low birth weight in the office (P=0.165) or ambulatory (P=0.603) systolic BP values. Augmentation index, an estimate of the pulse wave reflection, was significantly higher in the nonobese low birth weight group when compared with the other groups after controlling for height, heart rate, and diastolic BP. A significant interaction between low birth weight and obesity (P<0.005) existed. In conclusion, although the low birth weight children who become obese have the highest systolic BP values, the presence of obesity blunts the increment of the reflecting wave observed in low birth weight subjects.
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Affiliation(s)
- Empar Lurbe
- Department of Pediatrics, Consorcio Hospital General, University of Valencia, Valencia, Spain.
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Martín de Llano JJ, Fuertes G, Torró I, García Vicent C, Fayos JL, Lurbe E. Birth weight and characteristics of endothelial and smooth muscle cell cultures from human umbilical cord vessels. J Transl Med 2009; 7:30. [PMID: 19393064 PMCID: PMC2680391 DOI: 10.1186/1479-5876-7-30] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2008] [Accepted: 04/24/2009] [Indexed: 11/13/2022] Open
Abstract
Background Low birth weight has been related to an increased risk for developing high blood pressure in adult life. The molecular and cellular analysis of umbilical cord artery and vein may provide information about the early vascular characteristics of an individual. We have assessed several phenotype characteristics of the four vascular cell types derived from human umbilical cords of newborns with different birth weight. Further follow-up studies could show the association of those vascular properties with infancy and adulthood blood pressure. Methods Endothelial and smooth muscle cell cultures were obtained from umbilical cords from two groups of newborns of birth weight less than 2.8 kg or higher than 3.5 kg. The expression of specific endothelial cell markers (von Willebrand factor, CD31, and the binding and internalization of acetylated low-density lipoprotein) and the smooth muscle cell specific α-actin have been evaluated. Cell culture viability, proliferation kinetic, growth fraction (expression of Ki67) and percentage of senescent cells (detection of β-galactosidase activity at pH 6.0) have been determined. Endothelial cell projection area was determined by morphometric analysis of cell cultures after CD31 immunodetection. Results The highest variation was found in cell density at the confluence of endothelial cell cultures derived from umbilical cord arteries (66,789 ± 5,093 cells/cm2 vs. 45,630 ± 11,927 cells/cm2, p < 0.05). Morphometric analysis indicated that the projection area of the artery endothelial cells (1,161 ± 198 and 1,544 ± 472 μm2, p < 0.05), but not those derived from the vein from individuals with a birth weight lower than 2.8 kg was lower than that of cells from individuals with a birth weight higher than 3.5 kg. Conclusion The analysis of umbilical cord artery endothelial cells, which demonstrated differences in cell size related to birth weight, can provide hints about the cellular and molecular links between lower birth weight and increased adult high blood pressure risk.
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Affiliation(s)
- José Javier Martín de Llano
- Pediatric Department, Consorcio Hospital General Universitario de Valencia, and CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Spain.
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Relton CL, Pearce MS, O'Sullivan JJ. The relationship between gestational age, systolic blood pressure and pulse pressure in children. J Hum Hypertens 2008; 22:352-7. [DOI: 10.1038/sj.jhh.1002319] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Abstract
To study the relationship between salt intake and blood pressure in children and adolescents, we analysed the data of a large cross-sectional study (the National Diet and Nutrition Survey for young people), which was carried out in Great Britain in 1997 in a nationally representative sample of children aged between 4 and 18 years. A total of 1658 participants had both salt intake and blood pressure recorded. Salt intake was assessed by a 7-day dietary record. The average salt intake, which did not include salt added in cooking or at the table, was 4.7+/-0.2 g/day at the age of 4 years. With increasing age, there was an increase in salt intake, and by the age of 18 years, salt intake was 6.8+/-0.2 g/day. There was a significant association of salt intake with systolic blood pressure as well as with pulse pressure after adjusting for age, sex, body mass index and dietary potassium intake. An increase of 1 g/day in salt intake was related to an increase of 0.4 mm Hg in systolic and 0.6 mm Hg in pulse pressure. The magnitude of the association with systolic blood pressure is very similar to that observed in a recent meta-analysis of controlled trials where salt intake was reduced. The consistent finding of our present analysis of a random sample of free-living individuals with that from controlled salt reduction trials provides further support for a reduction in salt intake in children and adolescents.
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Affiliation(s)
- F J He
- Blood Pressure Unit, Cardiac and Vascular Sciences, St George's University of London, London, UK.
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Ojeda NB, Grigore D, Yanes LL, Iliescu R, Robertson EB, Zhang H, Alexander BT. Testosterone contributes to marked elevations in mean arterial pressure in adult male intrauterine growth restricted offspring. Am J Physiol Regul Integr Comp Physiol 2006; 292:R758-63. [PMID: 16917022 DOI: 10.1152/ajpregu.00311.2006] [Citation(s) in RCA: 109] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Our laboratory uses a model of intrauterine growth restriction (IUGR) induced by placental insufficiency in the rat to examine the developmental origins of adult disease. In this model only male IUGR offspring remain hypertensive in adulthood, revealing sex-specific differences. The purpose of this study was to determine whether testosterone with participation of the renin-angiotensin system (RAS) contributes to hypertension in adult male IUGR offspring. At 16 wk of age a significant increase in testosterone (346 +/- 34 vs. 189 +/- 12 ng/dl, P < 0.05) was associated with a significant increase in mean arterial pressure (MAP) measured by telemetry in IUGR offspring (147 +/- 1 vs. 125 +/- 1 mmHg, P < 0.05, IUGR vs. control, respectively). Gonadectomy (CTX) at 10 wk of age significantly reduced MAP by 16 wk of age in IUGR offspring (124 +/- 2 mmHg, P < 0.05 vs. intact IUGR) but had no effect in control (125 +/- 2 mmHg). A significant decrease in MAP in intact IUGR (111 +/- 3 mmHg, P < 0.05 vs. untreated intact IUGR) and castrated IUGR (110 +/- 4 mmHg, P < 0.05 vs. untreated CTX IUGR) after treatment with enalapril for 2 wk suggests a role for RAS involvement. However, the decrease in blood pressure in response to enalapril was greater in intact IUGR (Delta36 +/- 1 mmHg, P < 0.05) compared with CTX IUGR (Delta15 +/- 2 mmHg), indicating an enhanced response to RAS blockade in the presence of testosterone. Thus these results suggest that testosterone plays a role in modulating hypertension in adult male IUGR offspring with participation of the RAS.
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Affiliation(s)
- Norma B Ojeda
- Department of Physiology and Biophysics, Center for Excellence in Cardiovascular-Renal Research, University of Mississippi Medical Center, 2500 North State St., Jackson, MS 39216-4505, USA
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Pearce MS, O'Sullivan JJ. The relationship between birth weight and pulse pressure in children: cross-sectional study. J Hum Hypertens 2006; 20:207-11. [PMID: 16397518 DOI: 10.1038/sj.jhh.1001969] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This cross-sectional study investigates the relationship between birth weight and pulse pressure in childhood, after adjusting for mean blood pressure values and for potential confounding factors. Blood pressure was measured in 937 schoolchildren, free from cardiovascular disease, aged between 6 and 16 years. Pulse pressure was estimated as the difference between the 24 h mean systolic and diastolic blood pressure values. Linear regression showed a significant negative association between birth weight and log-transformed pulse pressure, which after gender-specific analyses was found to be restricted to the girls in the study (adjusted regression coefficient log mmHg per kg -0.06, 95% CI -0.09 to -0.03). A previous investigation of this cohort reported a significant negative association between birth weight and both systolic and diastolic blood pressure, again restricted to the girls in the cohort. The results of the present study provide limited support for the hypothesis that pulse pressure in childhood is determined in utero, particularly for female subjects. However, as little research has been published in this area, further investigation is required and in particular it would be important to assess whether such gender differences are apparent in other cohorts.
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Affiliation(s)
- M S Pearce
- Paediatric and Lifecourse Epidemiology Research Group, Child Health, School of Clinical Medical Sciences, University of Newcastle upon Tyne, and Department of Paediatric Cardiology, Freeman Hospital, Newcastle upon Tyne, UK.
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Rodríguez-Soriano J, Aguirre M, Oliveros R, Vallo A. Long-term renal follow-up of extremely low birth weight infants. Pediatr Nephrol 2005; 20:579-84. [PMID: 15782301 DOI: 10.1007/s00467-005-1828-6] [Citation(s) in RCA: 114] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2004] [Revised: 12/16/2004] [Accepted: 12/20/2004] [Indexed: 10/25/2022]
Abstract
There is evidence that low birth weight caused by intrauterine growth retardation adversely affects normal renal development. Very little information on this issue is available on children born very prematurely. This investigation examined clinical and functional renal parameters in 40 children (23 boys, 17 girls) ranging in age between 6.1 and 12.4 years and weighing less than 1000 g at birth. Results were compared to those obtained in 43 healthy children of similar age and gender. Study subjects were significantly smaller and thinner than control subjects (mean height SDS: -0.36 vs. +0.70; and mean BMI SDS: -0.56 vs. +1.18). Systolic, diastolic, and mean blood pressures did not differ from those of controls. Renal sonography revealed no abnormality, and mean percentiles for renal length and volume appeared normal. In comparison with controls, plasma creatinine concentration (0.62+/-0.1 vs. 0.53+/-0.1 mg/dl) and estimated creatinine clearance (117+/-17 vs. 131+/-17 ml min(-1) 1.73 m(-2)) differed significantly. No significant differences were observed in microalbuminuria values, but five study subjects (12.5%) presented values above the upper limit of normality. A defect in tubular phosphate transport was also evident: TmP/GFR (3.6+/-0.4 vs. 4.2+/-0.8 mg/dl) and TRP (83+/-5% vs. 90+/-4%) were significantly lower, and urinary P excretion, estimated by the ratio UP/UCr, was significantly higher (1.2+/-0.4 vs. 0.9+/-0.4 mg/mg) than controls. Urinary calcium excretion, estimated by the UCa/UCr ratio, was also significantly higher (0.15+/-0.07 vs. 0.12+/-0.09 mg/mg). These data clearly demonstrate that both GFR and tubular phosphate transport are significantly diminished in school-age children born with extreme prematurity, probably as a consequence of impaired postnatal nephrogenesis.
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Affiliation(s)
- Juan Rodríguez-Soriano
- Division of Pediatric Nephrology, Department of Pediatrics, Hospital de Cruces and Basque University School of Medicine, Plaza de Cruces s/n, Baracaldo, 48903, Vizcaya, Spain.
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