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Liu W, Hua Y, Zheng D, Lv W, Zhang W, Chen Q, Huang R, Li X. Plasma Connective Tissue Growth Factor as a Biomarker of Pulmonary Arterial Hypertension Associated With Congenital Heart Disease in Adults. Circ J 2023; 87:527-535. [PMID: 36843115 DOI: 10.1253/circj.cj-22-0172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
BACKGROUND Connective tissue growth factor (CTGF) has diagnostic value for pulmonary arterial hypertension (PAH) associated with congenital heart disease (CHD) in children; however, its value in adult patients remains unclear. This study evaluated CTGF as a biomarker in adult PAH-CHD patients.Methods and Results: Based on mean pulmonary artery pressure (mPAP), 56 CHD patients were divided into 3 groups: without PAH (W; mPAP <25 mmHg; n=28); mild PAH (M; mPAP 25-35 mmHg; n=18); and moderate and severe PAH (H; mPAP ≥35 mmHg; n=10). The control group consisted of 28 healthy adults. Plasma CTGF and B-type natriuretic peptide (BNP) concentrations were determined. Plasma CTGF concentrations were higher in the H and M groups than in the W and control groups, and were higher in the H than M group. Plasma CTGF concentrations were positively correlated with pulmonary artery systolic pressure (PASP), mPAP, and pulmonary vascular resistance, and negatively correlated with mixed venous oxygen saturation. CTGF, BNP, red blood cell distribution width, and World Health Organization Class III/IV were risk factors for PAH in CHD patients, and CTGF was an independent risk factor for PAH-CHD. The efficacy of CTGF in the diagnosis of PAH was not inferior to that of BNP. CONCLUSIONS CTGF is a biomarker of PAH associated with CHD. It can be used for early diagnosis and severity assessment in adult patients with CHD-PAH.
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Affiliation(s)
- Wenshi Liu
- Department of Cardiology, Affiliated Hospital of Nantong University.,Department of Cardiology, The Fifth Hospital of Xiamen
| | - Ying Hua
- Department of Cardiology, Affiliated Hospital of Nantong University
| | - Dongdong Zheng
- Department of Cardiology, Affiliated Hospital of Nantong University
| | - Wenjing Lv
- Department of Cardiology, Affiliated Hospital of Nantong University
| | - Wei Zhang
- Department of Cardiology, Affiliated Hospital of Nantong University
| | - Qianqian Chen
- Department of Cardiology, Affiliated Hospital of Nantong University
| | - Rong Huang
- Department of Cardiology, Affiliated Hospital of Nantong University
| | - Xiaofei Li
- Department of Cardiology, Affiliated Hospital of Nantong University
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Rivera L, Siddaiah R, Oji-Mmuo C, Silveyra GR, Silveyra P. Biomarkers for Bronchopulmonary Dysplasia in the Preterm Infant. Front Pediatr 2016; 4:33. [PMID: 27065351 PMCID: PMC4814627 DOI: 10.3389/fped.2016.00033] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 03/22/2016] [Indexed: 12/20/2022] Open
Abstract
Bronchopulmonary dysplasia (BPD) is a chronic inflammatory lung disease of very-low-birth-weight (VLBW) preterm infants, associated with arrested lung development and a need for supplemental oxygen. Over the past few decades, the incidence of BPD has significantly raised as a result of improved survival of VLBW infants requiring mechanical ventilation. While early disease detection is critical to prevent chronic lung remodeling and complications later in life, BPD is often difficult to diagnose and prevent due to the lack of good biomarkers for identification of infants at risk, and overlapping symptoms with other diseases, such as pulmonary hypertension (PH). Due to the current lack of effective treatment available for BPD and PH, research is currently focused on primary prevention strategies, and identification of biomarkers for early diagnosis, that could also represent potential therapeutic targets. In addition, novel histopathological, biochemical, and molecular factors have been identified in the lung tissue and in biological fluids of BPD and PH patients that could associate with the disease phenotype. In this review, we provide an overview of biomarkers for pediatric BPD and PH that have been identified in clinical studies using various biological fluids. We also present a brief summary of the information available on current strategies and guidelines to prevent and diagnose BPD and PH, as well as their pathophysiology, risk factors, and experimental therapies currently available.
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Affiliation(s)
- Lidys Rivera
- Department of Pediatrics, The Pennsylvania State University College of Medicine , Hershey, PA , USA
| | - Roopa Siddaiah
- Department of Pediatrics, The Pennsylvania State University College of Medicine , Hershey, PA , USA
| | - Christiana Oji-Mmuo
- Department of Pediatrics, The Pennsylvania State University College of Medicine , Hershey, PA , USA
| | - Gabriela R Silveyra
- Department of Pediatrics, The Pennsylvania State University College of Medicine , Hershey, PA , USA
| | - Patricia Silveyra
- Department of Pediatrics, The Pennsylvania State University College of Medicine, Hershey, PA, USA; Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, PA, USA
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Mukhopadhyay S, Nathani S, Yusuf J, Shrimal D, Tyagi S. Clinical efficacy of phosphodiesterase-5 inhibitor tadalafil in Eisenmenger syndrome--a randomized, placebo-controlled, double-blind crossover study. CONGENIT HEART DIS 2012; 6:424-31. [PMID: 21914136 DOI: 10.1111/j.1747-0803.2011.00561.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVES In a randomized double-blind crossover trial, we compared the efficacy of phosphodiesterase-5 (PDE-5) inhibitor tadalafil with placebo in patients of Eisenmenger Syndrome (ES). The primary end point was the change in 6-minute walk test distance (6 MWD). Secondary end points were the effect of the drug on systemic oxygen saturation (SO(2) ), pulmonary vascular resistance (PVR), systemic vascular resistance (SVR), effective pulmonary blood flow (EPBF), and World Health Organization (WHO) functional class. BACKGROUND ES is a disorder with limited treatment options. Uncontrolled studies have shown PDE-5 inhibitors to be beneficial in patients of ES. METHODS Twenty-eight symptomatic adult patients of ES with weight ≥30 kg in WHO class II and III were enrolled. Patients were given 40 mg of tadalafil or matching placebo for 6 weeks followed by crossover to the other drug after a washout period of 2 weeks. Assessment of WHO class, exercise capacity by 6 MWD, and various hemodynamic parameters by cardiac catheterization was done at baseline, after 6 weeks and at the end of the study. RESULTS All patients completed the study. There was significant increase in 6 MWD following drug administration compared with baseline (404.18 ± 69.54 m vs. 357.75 ± 73.25 m, P < .001). Compared with placebo, tadalafil produced significant decrease in PVR (-7.32 ± 1.58, P < .001), resulting in significant increase in EPBF (0.12 ± 0.05, P= .03), SO(2) % (1.72 ± 0.58, P= .007), and WHO functional class (1.96 ± 0.18 vs. 2.14 ± 0.44, P= .025), with no significant change in SVR (P= NS). CONCLUSION In this first short-term placebo-controlled trial of tadalafil in patients of ES, the drug was well tolerated and significantly improved exercise capacity, functional class, SO(2) , and pulmonary hemodynamics.
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Affiliation(s)
- Saibal Mukhopadhyay
- Department of Cardiology, G.B. Pant Hospital, Jawaharlal Nehru Marg, New Delhi, India.
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4
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NAKAHARA N, WAKAMATSU A, SHIMAMURA R, NOHDA S, MIKI S, HIRAMA T. Pharmacokinetics of Ambrisentan, a Novel Drug for Treatment of Pulmonary Arterial Hypertension (PAH), in Japanese Subjects. ACTA ACUST UNITED AC 2010. [DOI: 10.3999/jscpt.41.301] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Hoey ETD, Gopalan D, Agrawal SKB, Screaton NJ. Cardiac causes of pulmonary arterial hypertension: assessment with multidetector CT. Eur Radiol 2009; 19:2557-68. [DOI: 10.1007/s00330-009-1460-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2008] [Revised: 03/19/2009] [Accepted: 04/27/2009] [Indexed: 11/29/2022]
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Pregnancy outcomes in systemic sclerosis, primary pulmonary hypertension, and sickle cell disease. Obstet Gynecol 2008; 111:927-34. [PMID: 18378753 DOI: 10.1097/01.aog.0000308710.86880.a6] [Citation(s) in RCA: 159] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Systemic sclerosis, primary pulmonary hypertension, and sickle cell disease are uncommon vasculopathic diseases affecting women. We estimated the nationwide occurrence of pregnancies in women with these conditions and compared pregnancy outcomes to the general obstetric population. METHODS We studied the 2002-2004 Nationwide Inpatient Sample, of the Healthcare Cost and Utilization Project to estimate the number of obstetric hospitalizations and deliveries among women with systemic sclerosis, primary pulmonary hypertension, sickle cell disease, and women in the general population. Pregnancy outcomes included length of hospital stay, hypertensive disorders including preeclampsia, intrauterine growth restriction (IUGR), and cesarean delivery. Multivariable regression analyses were performed using maternal age, race or ethnicity, antiphospholipid antibody syndrome, diabetes mellitus, and renal failure as covariates. RESULTS Of an estimated 11.2 million deliveries, 504 occurred in women with systemic sclerosis, 182 with primary pulmonary hypertension, and 4,352 with sickle cell disease. Systemic sclerosis, was associated with an increased risk of hypertensive disorders including preeclampsia (odds ratio [OR] 3.71, 95% confidence interval [CI] 2.25-6.15), IUGR (OR 3.74, 95% CI 1.51-9.28), and increased length of hospital stay. Primary pulmonary hypertension was associated with an increase in the odds of antenatal hospitalization (OR 4.67, 95% CI 2.88-7.57), hypertensive disorders including preeclampsia (OR 5.62, 95% CI 2.60-12.15) and a substantial increase in length of hospital stay. Sickle cell disease was associated with an increased odds of antenatal hospitalization (OR 5.56 95% CI 5.08-6.09), hypertensive disorders including preeclampsia (OR 1.78, 95% CI 1.48-2.14), and IUGR (OR 2.91, 95% CI 2.16-3.93), with a modest increase in length of hospital stay. CONCLUSION Women with systemic sclerosis, primary pulmonary hypertension, and sickle cell disease have significantly increased rates of adverse pregnancy outcomes, requiring extensive preconceptional counseling about the risks of pregnancy.
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Brito J, Siqués P, León-Velarde F, De La Cruz JJ, López V, Herruzo R. Chronic intermittent hypoxia at high altitude exposure for over 12 years: assessment of hematological, cardiovascular, and renal effects. High Alt Med Biol 2008; 8:236-44. [PMID: 17824824 DOI: 10.1089/ham.2007.8310] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
The aim of this cross-sectional study was to assess the health status of subjects weekly commuting between sea level and 3550-m altitude for at least 12 yr (average 22.1 +/- 5.8). We studied 50 healthy army men (aged 48.7 +/- 2.0) working 4 days in Putre at 3550-m altitude, with 3 days rest at sea level (SL) at Arica, Chile. Blood pressure, heart rate, Sa(O(2) ), and altitude symptoms (AMS score and sleep status) were measured at altitude (days 1, 2, and 4) and at SL (days 1, 2, and 3). Hematological parameters, lipid profile, renal function, and echocardiography were performed at SL on day 1. The results showed signs of acute exposure to hypoxia (tachycardia, high blood pressure, low Sa(O(2) )), AMS symptoms, and sleep disturbances on day 1, which rapidly decreased on day 2. In addition, echocardiographic findings showed pulmonary hypertension (PAPm > 25 mmHg, RV and RA enlargement) in 2 subjects (4%), a PAPm > 20 mmHg in 14%, and a right ventricle thickness >40 mm in 12%. Hematocrit (45 +/- 2.7) and hemoglobin (15 +/- 1.0) were elevated, but lower than in permanent residents. There was a remarkably high triglyceride level (238 +/- 162) and a mild decrease of glomerular filtration rate (34% under 90 mL/min and 8% under 80 mL/min of creatinine clearance). In conclusion, in these preliminary results, in chronic intermittent hypoxia exposure even over longer periods, most subjects still show symptoms of acute altitude illnesses, but a faster recovery. Findings in triglycerides, in the pulmonary circulation and in renal function, are also a matter of concern.
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Affiliation(s)
- Julio Brito
- Instituto de Estudios de Salud, Universidad Arturo Prat, Iquique, Chile.
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Vaidyanathan B. Drug therapy: Sildenafil for post-operative pulmonary hypertension and Eisenmenger syndrome - A brief review of literature and survey of expert opinion. Ann Pediatr Cardiol 2008; 1:70-4. [PMID: 20300245 PMCID: PMC2840733 DOI: 10.4103/0974-2069.41063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- Balu Vaidyanathan
- Department of Pediatric Cardiology, Amrita Institute of Medical Sciences and Research Center, Kochi, India
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Upadhyaya SK, Kumar A. Pulmonary hypertension in connective tissue disease. INDIAN JOURNAL OF RHEUMATOLOGY 2007. [DOI: 10.1016/s0973-3698(10)60095-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Akhavein F, St-Michel EJ, Seifert E, Rohlicek CV. Decreased left ventricular function, myocarditis, and coronary arteriolar medial thickening following monocrotaline administration in adult rats. J Appl Physiol (1985) 2007; 103:287-95. [PMID: 17412785 DOI: 10.1152/japplphysiol.01509.2005] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Decreased right as well as left ventricular function can be associated with pulmonary hypertension (PH). Numerous investigations have examined cardiac function following induction of pulmonary hypertension with monocrotaline (MCT) assuming that MCT has no direct cardiac effect. We tested this assumption by examining left ventricular function and histology of isolated and perfused hearts from MCT-treated rats. Experiments were performed on 50 male Sprague-Dawley rats [348 +/- 6 g (SD)]. Thirty-seven rats received MCT (50 mg/kg sc; MCT group) while the remainder did not (Control group). Three weeks later, pulmonary artery pressure was assessed echocardiographically in 20 MCT and 8 Control rats. The hearts were then excised and perfused in the constant pressure Langendorff mode to determine peak left ventricular pressure (LVP), the peak instantaneous rate of pressure increase (+dP/dtmax) and decrease (-dP/dtmax), as well as the rate pressure product (RPP). Histological sections were subsequently examined. Pulmonary artery pressure was higher in the MCT-treated group compared with the Control group [12.9 +/- 6 vs. 51 +/- 35.3 mmHg (P < 0.01)]. Left ventricular systolic function and diastolic relaxation were decreased in the MCT group compared with the Control group (+dP/dtmax 4,178 +/- 388 vs. 2,801 +/- 503 mmHg/s, LVP 115 +/- 11 vs. 83 +/- 14 mmHg, RPP 33,688 +/- 1,910 vs. 23,541 +/- 3,858 beats x min(-1) x mmHg(-1), -dP/dtmax -3,036 +/- 247 vs. -2,091 +/- 389 mmHg/s; P < 0.0001). The impairment of cardiac function was associated with myocarditis and coronary arteriolar medial thickening. Similarly depressed ventricular function and inflammatory infiltration was seen in 12 rats 7 days after MCT administration. Our findings appear unrelated to the degree of PH and indicate a direct cardiotoxic effect of MCT.
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Affiliation(s)
- F Akhavein
- Department of Pediatrics, McGill University and Division of Cardiology, Montreal Children's Hospital, McGill University Health Centre, Montreal, Quebec, Canada
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Mukhopadhyay S, Sharma M, Ramakrishnan S, Yusuf J, Gupta MD, Bhamri N, Trehan V, Tyagi S. Phosphodiesterase-5 Inhibitor in Eisenmenger Syndrome. Circulation 2006; 114:1807-10. [PMID: 17030688 DOI: 10.1161/circulationaha.105.603001] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background—
Phosphodiesterase-5 inhibitors produce a significant decrease in pulmonary vascular resistance in patients with idiopathic pulmonary arterial hypertension. We studied the effects of tadalafil, a phosphodiesterase-5 inhibitor, on short-term hemodynamics, tolerability, and efficacy over a 12-week period in patients of Eisenmenger syndrome having a pulmonary vascular pathology similar to idiopathic pulmonary arterial hypertension.
Methods and Results—
Sixteen symptomatic Eisenmenger syndrome patients (mean age, 25±8.9 years) were assessed hemodynamically at baseline and 90 minutes after a single dose of tadalafil (1 mg/kg body weight up to a maximum of 40 mg). The same dose was then continued daily for 12 weeks, and the patients were restudied. There was a significant decrease in mean pulmonary vascular resistance immediately (24.75±8.49 to 19.22±8.23 Woods units;
P
<0.005) and at 12 weeks (19.22±8.23 to 17.02±6.19 Woods units;
P
=0.03 versus 90 minutes). Thirteen of 16 patients (81.25%) showed a ≥20% decrease in pulmonary vascular resistance and were defined as responders. The mean systemic oxygen saturation improved significantly both immediately (84.34±5.47% to 87.39±4.34%;
P
<0.005) and at 12 weeks (87.39±4.34% to 89.16±3.8%;
P
<0.02 versus 90 minutes) without a significant change in systemic vascular resistance. None of the patients had a fall in systemic arterial pressure, worsening of systemic oxygen saturation, or any adverse reactions to the drug. The mean World Health Organization functional class improved from 2.31±0.47 to 1.25±0.44 (
P
<0.0001), and the 6-minute walk distance improved from 344.56±119.06 to 387.56±117.18 m (
P
<0.001).
Conclusions—
Preliminary evaluation of tadalafil has shown efficacy and safety in selected patients with Eisenmenger syndrome, warranting further investigation in this subgroup of patients.
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