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Ploegstra MJ, Ivy DD, Beghetti M, Bonnet D, Alehan D, Ablonczy L, Mattos S, Bowers D, Humpl T, Berger RMF. Long-term outcome of children with newly diagnosed pulmonary arterial hypertension: results from the global TOPP registry. Eur Heart J Qual Care Clin Outcomes 2024; 10:66-76. [PMID: 36972621 PMCID: PMC10785586 DOI: 10.1093/ehjqcco/qcad020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/21/2023] [Accepted: 03/25/2023] [Indexed: 03/29/2023]
Abstract
BACKGROUND AND AIMS The Tracking Outcomes and Practice in Pediatric Pulmonary Hypertension (TOPP) registry is a global network established to gain insights into the disease course and long-term outcomes of paediatric pulmonary arterial hypertension (PAH). Previously published cohorts in paediatric PAH are obscured by survival bias due to the inclusion of both prevalent (previously diagnosed) and incident (newly diagnosed) patients. The current study aims to describe long-term outcome and its predictors in paediatric PAH, exclusively of newly diagnosed patients. METHODS AND RESULTS Five hundred thirty-one children with confirmed pulmonary hypertension, aged ≥3 months and <18 years, were enrolled in the real-world TOPP registry at 33 centres in 20 countries, from 2008 to 2015. Of these, 242 children with newly diagnosed PAH with at least one follow-up visit were included in the current outcome analyses. During long-term follow-up, 42 (17.4%) children died, 9 (3.7%) underwent lung transplantation, 3 (1.2%) atrial septostomy, and 9 (3.7%) Potts shunt palliation (event rates: 6.2, 1.3, 0.4, and 1.4 events per 100 person-years, respectively). One-, three-, and five-year survival free from adverse outcome was 83.9%, 75.2%, and 71.8%, respectively.Overall, children with open (unrepaired or residual) cardiac shunts had the best survival rates. Younger age, worse World Health Organization functional class, and higher pulmonary vascular resistance index were identified as independent predictors of long-term adverse outcome. Younger age, higher mean right atrial pressure, and lower systemic venous oxygen saturation were specifically identified as independent predictors of early adverse outcome (within 12 months after enrolment). CONCLUSION This comprehensive analysis of survival from time of diagnosis in a large exclusive cohort of children newly diagnosed with PAH describes current-era outcome and its predictors.
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Affiliation(s)
- Mark-Jan Ploegstra
- Center for Congenital Heart Diseases, Department of Pediatric Cardiology, Beatrix Children's Hospital, University of Groningen, University Medical Center Groningen, Hanzeplein 1, PO Box 30.001, 9700 RB Groningen, The Netherlands
| | - David Dunbar Ivy
- Department of Pediatrics, Section of Pediatric Cardiology, University of Colorado School of Medicine, Children's Hospital Colorado Heart Institute, Aurora, CO, USA
| | - Maurice Beghetti
- Pediatric Cardiology Unit, Department of the Child and Adolescent, Children's University Hospital Geneva, Geneva, Switzerland
| | - Damien Bonnet
- M3C-Necker, Hôpital Universitaire Necker-Enfants Malades, Université de Paris Cité, Paris, France
| | - Dursun Alehan
- Hacettepe University Faculty of Medicine, Ankara, Turkey
| | | | - Sandra Mattos
- Maternal–Fetal Cardiac Unit, Royal Portuguese Hospital, Recife, Brazil
| | - David Bowers
- School of Engineering, Arts, Science & Technology, University of Suffolk, Ipswich, UK
| | - Tilman Humpl
- The Hospital for Sick Children, Critical Care and Cardiology, University of Toronto, Toronto, Canada
| | - Rolf M F Berger
- Center for Congenital Heart Diseases, Department of Pediatric Cardiology, Beatrix Children's Hospital, University of Groningen, University Medical Center Groningen, Hanzeplein 1, PO Box 30.001, 9700 RB Groningen, The Netherlands
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Duman D, Aykan HH, Ertuğrul İ, Ardiçli B, Aypar E, Alehan D, Karagöz T. Percutaneous Transcatheter Retrieval of Central Venous Port Fragments in Pediatric Patients; A Single-center Experience From the Pediatric Cardiology Department. J Pediatr Hematol Oncol 2023; 45:e959-e965. [PMID: 37782316 DOI: 10.1097/mph.0000000000002761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 09/04/2023] [Indexed: 10/03/2023]
Abstract
BACKGROUND Split/fracture and embolization of central venous/shunt catheters are rare but serious complications in children. Percutaneous retrieval of intravascular foreign bodies is an important minimal invasive treatment. This study is aimed to represent our largest pediatric sample experience till now of 17 years from a single institution. Another aim is to compare the results regarding the removal or leaving in place of embolized or ruptured intravascular or cardiac venous catheter parts in children. PATIENTS AND METHODS A total of 26 cases were included in this study. Any pediatric patient with normal coagulation parameters and a fractured catheter fragment was included in this study. Other intravascular foreign bodies related to interventional devices and/or pacemaker/implantable cardiac defibrillator leads were excluded from this study. RESULTS Twenty-six patients, of whom 25 had oncologic diseases and 1 had a ventriculoatrial shunt, were included. The median age was 83.5 months (between 20 mo and 18 y) at treatment.Superior vena cava (9 cases), followed by the right atrium (5 cases), were the most two common sites of embolization for cardiovascular foreign bodies. The success rate of percutaneous retrieval was 92.3% in all patients. There were neither complications nor deaths. The retrieval technique revealed a predisposition for extraction through the femoral vein (96.1%) and using snare techniques (100%). Additional catheters like pigtail, National Institutes of Health, or ablation catheters were used for stabilization in selective cases in which the permanent central venous fragments stuck to the vessels. A tractional maneuver and capturing the ruptured material in the middle were other trick points for successful retrieval. Patients were asymptomatic in 76.9% of cases (20/26). CONCLUSION Percutaneous retrieval of cardiovascular foreign bodies is a reasonable, safe, and effective way in children when the catheter fragments are free and mobile. It should be considered the preferred treatment option instead of surgery. In patients where catheter fragments are stuck and are adherent to vessels, it could be left, and followed up by anticoagulation. Novel techniques accompanied by an experienced team could be helpful in difficult cases.
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Affiliation(s)
- Derya Duman
- Department of Pediatric Cardiology, Mersin University, Mersin
| | | | | | - Burak Ardiçli
- Department of Pediatric Surgery, Hacettepe University, Ankara, Turkey
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Yıldırım S, Aypar E, Aydın B, Akyüz C, Aykan HH, Ertuğrul İ, Karagöz T, Alehan D. Cardiac rhabdomyomas: clinical progression, efficacy and safety of everolimus treatment. Turk J Pediatr 2023; 65:479-488. [PMID: 37395967 DOI: 10.24953/turkjped.2022.922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
BACKGROUND Primary cardiac tumors are extremely rare. Cardiac rhabdomyoma is the most common primary cardiac tumor. 50-80% of solitary rhabdomyomas and all multiple rhabdomyomas are associated with tuberous sclerosis complex. Due to spontaneous regression, surgery is necessary only in severe hemodynamic compromise and persistent arrhythmias. Everolimus, a mechanistic target of rapamycin (mTOR) inhibitor, can be used in the treatment of rhabdomyomas seen in tuberous sclerosis complex. We aimed to evaluate the clinical progression of rhabdomyomas followed-up in our center between the years 2014-2019 and evaluate the efficacy and safety of everolimus treatment on tumor regression. METHODS Clinical features, prenatal diagnosis, clinical findings, tuberous sclerosis complex presence, treatment and follow-up results were evaluated retrospectively. RESULTS Among 56 children with primary cardiac tumors, 47 were diagnosed as rhabdomyomas, 28/47 patients (59.6%) had prenatal diagnosis, 85.1% were diagnosed before one year of age and 42/47 patients (89.3%) were asymptomatic. Multiple rhabdomyomas were present in 51% and median diameter of tumors was 16mm (4.5 - 52 mm). In 29/47 patients (61.7%) no medical or surgical treatment were necessary while 34% of these had spontaneous regression. Surgery was necessary in 6/47 patients (12.7%). Everolimus was used in 14/47 patients (29.8%). Indications were seizures (2 patients) and cardiac dysfunction (12 patients). Regression in size of rhabdomyomas was achieved in 10/12 patients (83%). Although, in the long-term, the amount of tumor mass shrinkage was not significantly different between patients who received everolimus and untreated patients (p=0.139), the rate of mass reduction was 12.4 times higher in patients who received everolimus. Leukopenia was not detected in any of the patients, but, hyperlipidemia was noted in 3/14 patients (21.4%). CONCLUSIONS According to our results, everolimus accelerates tumor mass reduction, but not amount of mass regression in the long term. Everolimus may be considered for treatment of rhabdomyomas which cause hemodynamic compromise or life-threatening arrhythmias before surgical intervention.
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Affiliation(s)
- Saygın Yıldırım
- Department of Pediatrics, Hacettepe University İhsan Doğramacı Children's Hospital, Ankara
| | - Ebru Aypar
- Department of Pediatric Cardiology, Hacettepe University İhsan Doğramacı Children's Hospital, Ankara
| | - Burça Aydın
- Department of Pediatric Oncology, Hacettepe University Oncology Institute, Ankara, Türkiye
| | - Canan Akyüz
- Department of Pediatric Oncology, Hacettepe University Oncology Institute, Ankara, Türkiye
| | - Hayrettin Hakan Aykan
- Department of Pediatric Cardiology, Hacettepe University İhsan Doğramacı Children's Hospital, Ankara
| | - İlker Ertuğrul
- Department of Pediatric Cardiology, Hacettepe University İhsan Doğramacı Children's Hospital, Ankara
| | - Tevfik Karagöz
- Department of Pediatric Cardiology, Hacettepe University İhsan Doğramacı Children's Hospital, Ankara
| | - Dursun Alehan
- Department of Pediatric Cardiology, Hacettepe University İhsan Doğramacı Children's Hospital, Ankara
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Sel K, Alehan D, Yalçin B, Önder SÇ, Aykan HH, Akyüz C, Doğan R. An unexpected intracardiac location of yolk sac tumor. Cardiovasc Pathol 2023; 62:107480. [PMID: 36183854 DOI: 10.1016/j.carpath.2022.107480] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 09/17/2022] [Accepted: 09/19/2022] [Indexed: 12/13/2022] Open
Abstract
PURPOSE In the pediatric population, intracardiac tumors are rare, usually benign, and mostly diagnosed as rhabdomyoma. Yolk sac tumors (YSTs) are a rare malignant type of germ celltumor that typically occurs in gonads. It can also be seen in midline locations but the intracardiac location is extremely rare. METHODS The case herein comprises an asymptomatic 2.5-year-old girl with a murmur detected under general examination. RESULTS Echocardiography showed a 3 × 3-cm mass in the right ventricle. Cardiac magnetic resonance imaging revealed a smooth contoured mass in the right ventricle lumen, which was compatible with rhabdomyoma. After surgical resection, the histopathological results showed a YST. This diagnosis was supported by high values of subsequent serum alpha feto-protein. There was no evidence for any other primary location. CONCLUSION When an intracardiac mass is observed, a YST should be considered. The increase in the alpha feto-protein level can help in the differential diagnosis.
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Affiliation(s)
- Kutay Sel
- Pediatric Cardiology Department, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, Ankara, Turkey.
| | - Dursun Alehan
- Pediatric Cardiology Department, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, Ankara, Turkey
| | - Bilgehan Yalçin
- Pediatric Oncology Department, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, Ankara, Turkey
| | - Sevgen Çelik Önder
- Pathology Department, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Hayrettin Hakan Aykan
- Pediatric Cardiology Department, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, Ankara, Turkey
| | - Canan Akyüz
- Pediatric Oncology Department, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, Ankara, Turkey
| | - Rıza Doğan
- Department of Thoracic-Cardiovascular Surgery, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Tekerek NÜ, Aykan HH, Yüksekgönül AÜ, Ertuğrul İ, Aypar E, Alehan D, Çeliker A, Karagöz T. Interventional cardiac catheterization in neonates and premature infants with congenital heart disease: a single center experience. Turk J Pediatr 2023; 65:939-948. [PMID: 38204308 DOI: 10.24953/turkjped.2022.1064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
BACKGROUND The increased survival of patients with congenital heart disease over the last three decades has been associated with improvements in diagnosis and treatment. This study aimed to evaluate therapeutic interventional catheterization, outcomes and complications of these procedures in neonates and premature infants. METHODS In this study, therapeutic catheterization procedures performed on neonates and premature infants with congenital heart disease at a university hospital between February 2000 and October 2019 were retrospectively evaluated. RESULTS A total of 322 procedures were performed on 279 neonates and 26 premature infants. Of the patients, 217 (67.4%) were male. The median age of the patients was 8 days (interquartile range [IQR] 2-20) and the median body weight was 3050 g (IQR 2900-3600). The most common procedures were balloon atrial septostomy, balloon aortic angioplasty, balloon pulmonary valvuloplasty and balloon aortic valvuloplasty (35.4%, 20.8%, 18.3% and 12.4% respectively). The most common diagnoses were transposition of the great arteries, coarctation of the aorta, pulmonary stenosis and aortic stenosis (26.7%, 19.3%, 15.2% and 11.5% respectively). Most procedures, 274 (85.1%), were successful. Complications were observed in 74 procedures (23%). Of these complications, 45 (14%) were minor and 29 (9%) were major. The most common complication was transient dysrhythmia (6.9%). There was no significant relationship between body weight, age and the rate of complications. However, longer procedure time and fluoroscopy time were associated with higher complication rates (p < 0.05). Four procedurerelated deaths were observed. CONCLUSION Procedure-related complications are higher in the neonatal period. Although the complication rate varies according to the type of procedure, longer fluoroscopy time and procedure duration are associated with an increased complication rate. Procedures performed with the right indications, appropriate equipment and by experienced teams will play a key role in reducing complication rates.
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Affiliation(s)
- Nazan Ülgen Tekerek
- Division of Pediatric Intensive Care, Department of Pediatrics, Akdeniz University Faculty of Medicine, Antalya
| | - Hayrettin Hakan Aykan
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara
| | - Ayşe Ünal Yüksekgönül
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara
| | - İlker Ertuğrul
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara
| | - Ebru Aypar
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara
| | - Dursun Alehan
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara
| | - Alpay Çeliker
- Division of Pediatric Cardiology, Department of Pediatrics, Koc University Faculty of Medicine, İstanbul, Türkiye
| | - Tevfik Karagöz
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara
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Dönmez YN, Aykan HH, Sel K, Ertuğrul İ, Duman D, Aypar E, Alehan D, Karagöz T. Femoral venous haemostasis in children and young adults using the 'figure-of-eight' suture technique. Acta Cardiol 2021; 77:626-631. [PMID: 34493153 DOI: 10.1080/00015385.2021.1973769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AIM The aim of our study was to evaluate the safety and efficiency of the 'figure-of-eight' suture among children and young adults with congenital heart defects who underwent interventional procedures, in patients with structurally normal hearts who underwent electrophysiological study and in haemodynamically impaired children and newborns. We also reported a novel femoral haemostasis method in patients with a central catheter by modifying the 'figure-of-eight' suture around the catheter for haemorrhage control. METHOD Between 2015 and 2018, a total of 100 'figure-of-eight' sutures were performed in 90 patients (48 males, 42 females) where the median age was 12.5 years (minimum 3 days, maximum 22 years). The procedures were diagnostic angiography (n = 6), radiofrequency and/or cryoablation (n = 7) and interventional procedures (n = 87). RESULT Haemostasis was achieved in 89 of 90 patients. Haemostasis could not be achieved in one malnourished patient due to lack of subcutaneous tissue. There were no major complications. A bullous skin lesion and minor bleeding were the only complications seen in two patients. A central catheter was inserted in eight patients using the modified 'figure-of-eight' suture technique. CONCLUSION The 'figure-of-eight' suture is a safe and effective method for femoral venous haemostasis in patients who require large sheaths for procedures, in those using high-dose heparin and in haemodynamically unstable children who need cardiac catheterisation.
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Affiliation(s)
- Yasemin N. Dönmez
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Hayrettin Hakan Aykan
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Kutay Sel
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - İlker Ertuğrul
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Derya Duman
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Ebru Aypar
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Dursun Alehan
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Tevfik Karagöz
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Kücükoglu SM, Kaymaz C, Alehan D, Kula S, Akcevin A, Celiker A, Cicek SM, Tokgözoglu LS, Kentli S. Pulmonary arterial hypertension associated with congenital heart disease: lessons learnt from the large Turkish Nationwide Registry (THALES). Pulm Circ 2021; 11:20458940211024206. [PMID: 34211699 PMCID: PMC8216355 DOI: 10.1177/20458940211024206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 05/23/2021] [Indexed: 11/24/2022] Open
Abstract
Pulmonary hypertension is a group of diseases, including pulmonary arterial hypertension associated with congenital heart disease (APAH-CHD), characterized by progressive deterioration in pulmonary hemodynamics associated with substantial morbidity and mortality risk. THALES is a national multicenter, prospective observational registry, providing data on patients with APAH-CHD. The study comprised APAH-CHD patients (>3 months of age) with confirmed diagnosis of right heart catheterization or echocardiographic findings. Initial and follow-up data were collected via regular hospital visits. Descriptive statistics are used for definitive purposes. Overall, 1034 patients aged 3 months–79 years (median 11.2 [Q1–Q3: 2.2–24.3] years) with APAH-CHD were enrolled at 61 centers, 50.3% being retrospectively enrolled. Most had either Eisenmenger's syndrome (49.2%) or systemic-to-pulmonary shunts (42.7%). Patients were mostly in functional class I–II at the time of diagnosis (46.6%). Mean 6-min walk distance (6MWD) was 369 ± 120 m. Mean pulmonary arterial pressure was 54.7 ± 22.2 mmHg for the whole group, and was highest in patients with Eisenmenger's syndrome. Targeted therapies were noted in 398 (38.5%) patients (monotherapy in 80.4%). Follow-up data were available in 506 patients. Survival at 140 months was 79% and was associated with baseline 6MWD >440 m (p = 0.009), brain natriuretic peptide level < 300 ng/L (p < 0.001). Follow-up 6MWD >165 m (p < 0.0001), brain natriuretic peptide level <300 ng/L (p = 0.031), and targeted therapies (p = 0.004) were also predictive of survival. THALES is the largest registry dedicated to APAH-CHD to date and provides important contributions on demographics, clinical characteristics, and gaps in disease management.
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Affiliation(s)
- Serdar M. Kücükoglu
- Department of Cardiology, Istanbul University Cardiology Institute, Istanbul, Turkey
- Serdar M. Kücükoglu, Department of Cardiology, Istanbul University Cardiology Institute, Haseki Caddesi, Istanbul 34096, Turkey.
| | - Cihangir Kaymaz
- Department of Cardiology, University of Health Sciences, Hamidiye Faculty of Medicine, Kartal Koşuyolu Yüksek Ihtisas Training and Research Hospital, Istanbul, Turkey
| | - Dursun Alehan
- Department of Pediatric Cardiology, Hacettepe University Hospitals, Hacettepe University Hospitals, Ankara, Turkey
| | - Serdar Kula
- Department of Pediatric Cardiology, Gazi University Hospital, Ankara, Turkey
| | - Atıf Akcevin
- Department of Pediatric Cardiovascular Surgery, Koc University Hospital, Istanbul, Turkey
| | - Alpay Celiker
- Department of Pediatric Cardiology, Koc University Hospital, Istanbul, Turkey
| | - Sertac M. Cicek
- Department of Cardiovascular Surgery, Mayo Clinic, Rochester, MN, USA
| | - Lale S. Tokgözoglu
- Department of Cardiology, Hacettepe University Hospitals, Ankara, Turkey
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Bilginer Gurbuz B, Aypar E, Coskun T, Alehan D, Dursun A, Tokatli A, Sivri HS. The effectiveness of enzyme replacement therapy on cardiac findings in patients with mucopolysaccharidosis. J Pediatr Endocrinol Metab 2019; 32:1049-1053. [PMID: 31469658 DOI: 10.1515/jpem-2019-0293] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 08/09/2019] [Indexed: 11/15/2022]
Abstract
Background This study aimed to determine cardiac findings in patients with mucopolysaccharidosis (MPS) and to assess the changes in these findings after enzyme replacement therapy (ERT). Methods A retrospective clinical cohort study was conducted on patients who were diagnosed with MPS between 1995 and 2018 in Hacettepe University, Division of Pediatric Metabolism. A total of 96 patients were diagnosed with MPS during the study period. Of these patients, 81 (84.3%) received ERT. Echocardiographic findings of the patients together with the 6-min walking test (6MWT) results before and after ERT were compared. Results Thirty-one participants (38.2%) were female, while 50 (61.8%) were male. The mean age of the participants was 11.97 ± 6.33 years (range: 1.8-30). Five patients (6.2%) had MPS type I, 14 (17.3%) had type II, 28 (34.6%) had type IVa, 33 (40.7%) had type VI and one (1.2%) had type VII. Before ERT, 69.4% of patients had mitral insufficiency (MI; mild: 40.5%, moderate: 16.5%, severe: 12.7%), 35.4% had aortic insufficiency (AI; mild: 22.8%, moderate: 12.7%) and 45.1% had tricuspid insufficiency (TI; mild: 39.2%, moderate: 2.5%). The median duration of the ERT was 3.5 years. The ERT significantly improved left ventricular hypertrophy (LVH), but all other study variables returned non-significant before and after treatment. ERT may improve LVH in MPS. Bearing in mind that MPS is a progressive disease, ERT seems to prevent significant deterioration of this ailment but is not able to reverse the already settled pathologies except for LVH. ERT is not able to reverse the damage, but provides stabilization; so it is best to initiate treatment before cardiac damage.
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Affiliation(s)
| | - Ebru Aypar
- Division of Pediatric Cardiology, Hacettepe University, Medical Faculty, Ankara, Turkey
| | - Turgay Coskun
- Division of Pediatric Metabolism, Hacettepe University, Medical Faculty, Ankara, Turkey
| | - Dursun Alehan
- Division of Pediatric Cardiology, Hacettepe University, Medical Faculty, Ankara, Turkey
| | - Ali Dursun
- Division of Pediatric Metabolism, Hacettepe University, Medical Faculty, Ankara, Turkey
| | - Aysegül Tokatli
- Division of Pediatric Metabolism, Hacettepe University, Medical Faculty, Ankara, Turkey
| | - Hatice Serap Sivri
- Division of Pediatric Metabolism, Hacettepe University, Medical Faculty, Ankara, Turkey
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Kılıç M, Dursun A, Coşkun T, Tokatlı A, Özgül RK, Yücel-Yılmaz D, Karaca M, Doğru D, Alehan D, Kadayıfçılar S, Genç A, Turan-Dizdar H, Gönüldaş B, Savcı S, Sağlam M, Aksoy C, Arslan U, Sivri HS. Genotypic-phenotypic features and enzyme replacement therapy outcome in patients with mucopolysaccharidosis VI from Turkey. Am J Med Genet A 2017; 173:2954-2967. [PMID: 28884960 DOI: 10.1002/ajmg.a.38459] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 06/07/2017] [Accepted: 08/02/2017] [Indexed: 01/14/2023]
Abstract
Mucopolysaccharidosis type VI (MPS VI) is a lysosomal storage disorder (LSD) characterized by a chronic, progressive course with multiorgan involvement. In our study, clinical, biochemical, molecular findings, and response to enzyme replacement therapy (ERT) for at least 6 months were evaluated in 20 patients with MPS VI. Treatment effects on clinical findings such as liver and spleen sizes, cardiac and respiratory parameters, visual and auditory changes, joints' range of motions, endurance tests and changes in urinary glycosaminoglycan excretions, before and after ERT were analyzed. ERT caused increased physical endurance and decreased urinary dermatan sulfate/chondroitin sulfate ratios. Changes in growth parameters, cardiac, respiratory, visual, auditory findings, and joint mobility were not significant. All patients and parents reported out an increased quality of life, which were not correlated with clinical results. The most prevalent mutation was p.L321P, accounting for 58.8% of the mutant alleles and two novel mutations (p.G79E and p.E390 K) were found. ERT was a safe but expensive treatment for MPS VI, with mild benefits in severely affected patients. Early treatment with ERT is mandatory before many organs and systems are involved.
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Affiliation(s)
- Mustafa Kılıç
- Sami Ulus Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Ali Dursun
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Turgay Coşkun
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Ayşegül Tokatlı
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Rıza K Özgül
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Didem Yücel-Yılmaz
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
| | - Mehmet Karaca
- Faculty of Science and Arts, Department of Biology, Aksaray University, Aksaray, Turkey
| | - Deniz Doğru
- Hacettepe University Children Hospital, Division of Pediatric Pulmonology, Ankara, Turkey
| | - Dursun Alehan
- Hacettepe University Children Hospital, Division of Pediatric Cardiology, Ankara, Turkey
| | - Sibel Kadayıfçılar
- Faculty of Medicine, Department of Ophthalmology, Hacettepe University, Ankara, Turkey
| | - Aydan Genç
- Faculty of Medicine, Department of Ear Nose Throat, Division of Audiology, Hacettepe University, Ankara, Turkey
| | - Handan Turan-Dizdar
- Faculty of Medicine, Department of Ear Nose Throat, Division of Audiology, Hacettepe University, Ankara, Turkey
| | - Burhanettin Gönüldaş
- Faculty of Medicine, Department of Ear Nose Throat, Hacettepe University, Ankara, Turkey
| | - Sema Savcı
- Faculty of Health Sciences, Department of Physiotheraphy and Rehabilitation, Hacettepe University, Ankara, Turkey
| | - Melda Sağlam
- Faculty of Health Sciences, Department of Physiotheraphy and Rehabilitation, Hacettepe University, Ankara, Turkey
| | - Cemalettin Aksoy
- Faculty of Medicine, Department of Orthopaedics and Traumatology, Hacettepe University, Ankara, Turkey
| | - Umut Arslan
- Faculty of Medicine, Department of Biostatistics, Hacettepe University, Ankara, Turkey
| | - Hatice-Serap Sivri
- Hacettepe University Children Hospital, Division of Metabolism, Ankara, Turkey
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z TKK, Akin A, rul ÝE, Aykan HH, Alehan D, Özer S, Özkutlu S. Closure of the patent ductus arteriosus with the Amplatzer Duct Occluder II: a clinical experience. Acta Cardiol 2017. [DOI: 10.1080/ac.67.6.2184670] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Tevfi K Karagö z
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | | | - Ýlker Ertuð rul
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Hayrettin Hakan Aykan
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Dursun Alehan
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Sema Özer
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Süheyla Özkutlu
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Küçükoglu MS, Kaymaz C, Saylam GS, Alehan D, Kula S, Akcevin A, Celiker A, Cicek S, Tokgozoglu SL. SURVIVAL ANALYSIS FROM THALES STUDY, A LARGE NATION-WIDE REGISTRY ON PULMONARY ARTERIAL HYPERTENSION ASSOCIATED WITH CONGENITAL HEART DISEASE. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)35273-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Akın A, Alehan D, Aykan HH, Özkutlu S, Özer S, Karagöz T. Evaluation of Tissue Doppler Echocardiographic Imaging findings in children with pulmonary hypertension. Turk J Pediatr 2017; 59:244-253. [PMID: 29376568 DOI: 10.24953/turkjped.2017.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Akın A, Alehan D, Aykan HH, Özkutlu S, Özer S, Karagöz T. Evaluation of Tissue Doppler Echocardiographic Imaging findings in children with pulmonary hypertension. Turk J Pediatr 2017; 59: 244-253. Tissue Doppler Imaging has become an important prognostic marker that can be used in follow-up and determination of the prognosis in pulmonary hypertension patients. We compared the Tissue Doppler imaging parameters of 34 patients with pulmonary hypertension and 43 healthy controls. In addition, Brain-Natriuretic Peptide levels, pulmonary artery systolic pressures measured with echocardiography, 6-minute walking tests and New York Heart Association functional classification were compared. Among patients with Eisenmenger syndrome and idiopathic pulmonary hypertension, Tissue Doppler imaging parameters were mostly similar. In patients with New York Heart Association functional class 3, mitral septal annulus E/Ea (p=0.050) and mitral lateral annulus myocardial performance index (p=0.009) were higher than class 2 patients. In patients with higher Brain Natriuretic Peptide level, mitral lateral annulus and tricuspid septal annulus Ea/Aa values were lower (p=0.046 and < 0.001 respectively); tricuspid septal annulus E/Ea and interventricular septum myocardial performance index values were higher than in patients with normal Brain-Natriuretic Peptide level (p=0.006). In conclusion tissue Doppler imaging findings were significantly impaired in children with pulmonary hypertension compared to the control group. Findings were similar in patients with idiopathic pulmonary hypertension and Eisenmenger syndrome. Mitral lateral annulus myocardial performance index value may have a prognostic importance due its significant association with poor functional class. Due to the significant associations between mitral lateral annulus, tricuspid septal annulus Ea/Aa, tricuspid septal annulus Ea and E/Aa, interventricular septum-myocardial performance index values and brain natriuretic peptide levels, these parameters may be used in evaluating response to therapy.
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Affiliation(s)
- Alper Akın
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Dursun Alehan
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Hayrettin Hakan Aykan
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Süheyla Özkutlu
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Sema Özer
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Tevfik Karagöz
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Ertugrul I, Karagoz T, Celiker A, Alehan D, Ozer S, Ozkutlu S. The Impact of Rapid Left Ventricular Pacing during Pediatric Aortic Valvuloplasty on Postprocedural Aortic Insufficiency. CONGENIT HEART DIS 2016; 11:584-588. [PMID: 27079283 DOI: 10.1111/chd.12340] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE This study aims to determine efficacy and safety of rapid left ventricular pacing (RLVP) during balloon aortic valvuloplasty and effect on development of postprocedural aortic insufficiency (AI) in children. DESIGN This is a retrospective comparison of 56 children (mean age 18.3 month; 1 day-15 years of age) who underwent valvuloplasty by using RLVP with standard method (without pacing) during same time period (74 children; mean age 12.6 month; 1 day-18 years of age). RESULTS The systolic valvular gradient decreased from a mean 67 ± 20.4 mm Hg (26-120 mm Hg) before the procedure to a mean 27.6 ± 17.8 mm Hg (0-120 mm Hg) after the procedure. Procedure failed in two of the patients (3.6%) who received the RLVP; only two patients developed severe AI. Among those patients who underwent the standard method procedure failed in 6 patients (8.3%), whereas severe AI was seen in 15 (20.2%). RLVP decreased the incidence of postprocedure severe AI significantly (P < .01) but it had no effect on the gradient reduction of the procedure (P > .05). RLVP did not change the procedure duration, but decreased the duration of fluoroscopy significantly (P < .01). CONCLUSION RLVP can be used effectively and safely for pacing during balloon aortic valvuloplasty procedures in all age groups; it decreases procedural failure rate, eases the procedure and prevents the development of AI through the stabilization of the balloon.
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Affiliation(s)
- Ilker Ertugrul
- Division of Pediatric Cardiology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Tevfik Karagoz
- Division of Pediatric Cardiology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Alpay Celiker
- Division of Pediatric Cardiology, Department of Pediatrics, Faculty of Medicine, Koc University, Ankara, Turkey
| | - Dursun Alehan
- Division of Pediatric Cardiology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Sema Ozer
- Division of Pediatric Cardiology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Suheyla Ozkutlu
- Division of Pediatric Cardiology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
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Gülgün M, Özer S, Karagöz T, Akın A, Aykan HH, Özkutlu S, Alehan D, Çeliker A. Is transesophageal electrophysiologic study valuable in children with successful radiofrequency ablation of supraventricular tachycardia on follow-up for recurrence? Anatol J Cardiol 2015; 16:126-30. [PMID: 26467372 PMCID: PMC5336727 DOI: 10.5152/akd.2015.5895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Objective: The aim of this study was to evaluate the efficacy of transesophageal electrophysiologic study (TEEPS) for the determination of supraventricular tachycardia (SVT) recurrences in symptomatic and asymptomatic children after successful radiofrequency ablation (RFA) for SVT. Methods: A total of 66 patients who underwent TEEPS after successful RFA were included. The demographic features, symptoms of the patients, and the characteristics of the recurrences induced by TEEPS were evaluated. The arrhythmia types induced during RFA were compared with those induced by TEEPS in terms of the compatibility of the diagnosis. Results: Forty-two (63.6%) girls and 24 (36.4%) boys with a mean age of 11.8±3.4 years were followed-up for 44.1±15.7 months. The average time between RFA and TEEPS was 5.2±5.9 months. The diagnoses during RFA were atrioventricular nodal reentrant tachycardia (AVNRT) in 47 of 66 patients, atrioventricular reentrant tachycardia (AVRT) in 18 of 66 patients, and ectopic atrial tachycardia in 1 of 66 patients. SVT was induced by TEEPS in 2 of 25 symptomatic and 5 of 41 asymptomatic patients. The SVT inducibility rate was 5.5% (1/18) and 12.7% (6/47) in patients with AVRT and AVNRT, respectively. In addition, 85.7% (6/7) of all recurrences occurred within 3.5 months. The recurrences as AVNRT in 2 of 25 symptomatic patients occurred in the first month after RFA. AVNRT in 4 of 41 and AVRT in 1 of 41 asymptomatic patients were induced within 3.5 months and 15 months, respectively. Conclusion: TEEPS seems to be a valuable screening and diagnostic method for the determination of recurrence in symptomatic and asymptomatic children who underwent successful RFA.
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Affiliation(s)
- Mustafa Gülgün
- Department of Pediatric Cardiology, Faculty of Medicine, Hacettepe University; Ankara-Turkey.
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Aykan HH, Özer S, Karagöz T, Akın A, Gülgün M, Alehan D, Özkutlu S, Çeliker A. Comparison of Transesophageal and Intracardiac Electrophysiologic Studies for the Diagnosis of Childhood Supraventricular Tachycardias. Pediatr Cardiol 2015; 36:1429-35. [PMID: 25951813 DOI: 10.1007/s00246-015-1179-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2014] [Accepted: 04/29/2015] [Indexed: 10/23/2022]
Abstract
In this study, we aimed to compare the results of transesophageal electrophysiologic studies (TEEPS) and intracardiac electrophysiologic studies (IEPS) in a cohort of pediatric patients with SVTs. The medical records of children aged between 0 and 18 years who underwent TEEPS between January 2007 and June 2012 were systematically reviewed, and those without pre-excitation and who underwent subsequent IEPS were identified. Post-procedural diagnoses were compared for compatibility. A total of 162 patients were included in the study with a mean age at diagnosis 11.6 ± 3.6 years. Tachycardia was induced in 152 patients by TEEPS and in 154 patients by IEPS. Overall, in 147 patients, tachycardia was induced by both TEEPS and IEPS. Diagnoses were compatible in 135 out of 147 patients (91.8 %). Nine out of the 12 patients with discrepant results were diagnosed with atrioventricular-reentrant tachycardia (AVRT) and three with atrioventricular nodal reentrant tachycardia (AVNRT) after TEEPS. Following IEPS, TEEPS diagnosis of AVRT was revised to typical AVNRT in 5 patients and atypical AVNRT in 4 patients. Two of the 3 patients who were diagnosed as having AVNRT following TEEPS were confirmed to have atrial tachycardia after IEPS, while the other patient was diagnosed with AVRT. Tachycardia terminated spontaneously in 3 patients, while overdrive pacing was attempted to terminate the tachycardia in 149 patients, with a success rate of 93.2 % (139/149). The diagnostic compatibility between TEEPS and IEPS is quite high. A diagnostic discrepancy mostly occurs in patients diagnosed with AVRT by TEEPS, and the possibility of atypical AVNRT should be considered in patients with a VA ≥70 ms to avoid such discrepancies.
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Affiliation(s)
- Hayrettin Hakan Aykan
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, 06100, Samanpazari, Ankara, Turkey.
| | - Sema Özer
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, 06100, Samanpazari, Ankara, Turkey
| | - Tevfik Karagöz
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, 06100, Samanpazari, Ankara, Turkey
| | - Alper Akın
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, 06100, Samanpazari, Ankara, Turkey
| | - Mustafa Gülgün
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, 06100, Samanpazari, Ankara, Turkey
| | - Dursun Alehan
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, 06100, Samanpazari, Ankara, Turkey
| | - Süheyla Özkutlu
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, 06100, Samanpazari, Ankara, Turkey
| | - Alpay Çeliker
- Department of Pediatric Cardiology, Acıbadem University Faculty of Medicine, Istanbul, Turkey
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Karagöz T, Akın A, Aykan HH, Çeliker A, Alehan D, Özer S, Özkutlu S. Interventional cardiac catheterization in infants weighing less than 2500 g. Turk J Pediatr 2015; 57:136-140. [PMID: 26690593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The aim of our study was to share our clinical experience regarding cases of interventional cardiac catheterization in low-weight infants. We retrospectively reviewed all interventional catheterizations performed in infants weighing 2500 g or less between March 2001 and October 2012. Twenty patients were included in the study. The procedures included balloon atrial septostomy in 8 patients, balloon pulmonary valvuloplasty in 7 patients, balloon aortic valvuloplasty in 3 patients and balloon angioplasty for coarctation in 2 patients. The mean age at catheterization was 11.9 ± 9.6 days (range, 1 to 31 days) and the mean weight, 2038 ± 480 g (range, 1100 to 2500 g). The mean procedure time was 80.3 ± 32 minutes, and the mean fluoroscopy time was 17.5 ± 12 minutes. Only two patients had no benefit from the intervention. One patient died at day 4 after catheterization, due to sepsis. Complications occurred in 3 patients: one patient developed atrial flutter and respiratory arrest, one patient developed apnea episodes, and one patient developed anemia that required transfusion. In conclusion, although studies investigating complications related to invasive cardiac catheterization in infants weighing less than 2500 g have reported increased complication rates, such complications were less likely to result in permanent sequelae. We did not observe significant complications related to the procedure; therefore, we would like to suggest that invasive cardiac catheterization can appropriately be performed in low-weight infants.
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Affiliation(s)
- Tevfik Karagöz
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.
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Hacıhamdioğlu DÖ, Düzova A, Alehan D, Oğuz B, Beşbaş N. Circulating fibroblast growth factor 23 in children on peritoneal dialysis is associated with effective dialysis. Turk J Pediatr 2015; 57:9-16. [PMID: 26613215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Our purpose was to assess the relationship between serum fibroblast growth factor 23 (FGF23) and left ventricular function, carotid intima-media thickness (CIMT) and laboratory features in children on peritoneal dialysis (PD). The study population consisted of 17 patients (11 female; median age 7.83 years, range 0.66-17.75) undergoing PD for 22 months (range 2-98). Serum FGF23, serum phosphorus, calcium, intact parathyroid hormone (iPTH), 25(OH) vitamin D, 1,25(OH)2 vitamin D and Kt/V urea, left ventricular mass (LVM) and LVM index (LVMI) were assessed. Median FGF23 level was 29.92 pg/ml (22.7-74.76), phosphorus was 5.2 mg/dl (3.1-9.9), iPTH was 438 pg/ml (16-1446), 25(OH) vitamin D was 11 ng/ml (5-35), 1,25(OH)2 vitamin D was 11 pg/ml (2-106), Kt/V urea was 2.33 (1.01-3.84). FGF23 level was independently associated with Kt/V urea (p<0.001). We found that effective dialysis may be the leading determinant of FGF level, independent from the calcium-phosphorus-PTH axis, in pediatric PD patients.
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Affiliation(s)
- Duygu Övünç Hacıhamdioğlu
- Divisions of Pediatric Nephrology, Department of Pediatrics,Hacettepe University Faculty of Medicine, Ankara, Turkey.
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Yıldırım I, Özer S, Karagöz T, Şahin M, Özkutlu S, Alehan D, Çeliker A. Clinical and electrophysiological evaluation of pediatric Wolff-Parkinson-White patients. Anatol J Cardiol 2014; 15:485-90. [PMID: 26006136 PMCID: PMC5779142 DOI: 10.5152/akd.2014.5462] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Objective: Wolff-Parkinson-White (WPW) syndrome presents with paroxysmal supraventricular tachycardia and is characterized by electrocardiographic (ECG) findings of a short PR interval and a delta wave. The objective of this study was to evaluate the electrophysiological properties of children with WPW syndrome and to develop an algorithm for the management of these patients with limited access to electrophysiological study. Methods: A retrospective review of all pediatric patients who underwent electrophysiological evaluation for WPW syndrome was performed. Results: One hundred nine patients underwent electrophysiological evaluation at a single tertiary center between 1997 and 2011. The median age of the patients was 11 years (0.1-18). Of the 109 patients, 82 presented with tachycardia (median age 11 (0.1-18) years), and 14 presented with syncope (median age 12 (6-16) years); 13 were asymptomatic (median age 10 (2-13) years). Induced AF degenerated to ventricular fibrillation (VF) in 2 patients. Of the 2 patients with VF, 1 was asymptomatic and the other had syncope; the accessory pathway effective refractory period was ≤180 ms in both. An intracardiac electrophysiological study was performed in 92 patients, and ablation was not attempted for risk of atrioventricular block in 8 (8.6%). The success and recurrence rate of ablation were 90.5% and 23.8% respectively. Conclusion: The induction of VF in 2 of 109 patients in our study suggests that the prognosis of WPW in children is not as benign as once thought. All patients with a WPW pattern on the ECG should be assessed electrophysiologically and risk-stratified. Ablation of patients with risk factors can prevent sudden death in this population.
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Affiliation(s)
- Işıl Yıldırım
- Department of Pediatric Cardiology, Adana Numune Teaching and Research Hospital; Adana-Turkey.
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Akin A, Özer S, Karagöz T, Aykan HH, Gülgün M, Özkutlu S, Alehan D, Çelıker A. Sensitivity of transesophageal electrophysiologic study in children with supraventricular tachycardia on electrocardiography. Pacing Clin Electrophysiol 2014; 37:1002-8. [PMID: 24697834 DOI: 10.1111/pace.12371] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Revised: 12/30/2013] [Accepted: 01/05/2014] [Indexed: 11/30/2022]
Abstract
INTRODUCTION The aim of this study was to evaluate the inducibility of tachycardia by transesophageal electrophysiologic study (TEEPS) in patients with documented supraventricular tachycardia (SVT) on electrocardiography and to investigate the accuracy of TEEPS records by comparing with intracardiac electrophysiologic study (IEPS). MATERIAL AND METHODS The TEEPS records of patients having documented electrocardiography during SVT were reviewed. The results of TEEPS in 43 of 85 patients were compared with results of IEPS for compatibility of diagnosis. RESULTS A total 85 patients, 46 male and 39 female, mean weight 35.1 kg (36-87), aged 1 month-17 years, were included. Tachycardia was induced by TEEPS in 79 of 85 patients with documented electrocardiography (sensitivity 92.9%). IEPS for diagnosis or ablation was conducted in 40 patients having inducible tachycardia and three of six who had no inducible tachycardia by TEEPS. Tachycardia was induced by IEPS in 39 of 40 (97.5%) patients who had inducible tachycardia and two of three who had no inducible tachycardia by TEEPS. Mechanisms of tachycardias were similar in 97.5% of patients (37/39) who had inducible tachycardia in TEEPS and IEPS. One of the patients with atrioventricular reentry tachycardia by TEEPS was diagnosed as atrioventricular nodal reentry tachycardia (AVNRT) and the other one was diagnosed as atypical AVNRT and atrial tachycardia by IEPS. CONCLUSION The rates of inducibility and mechanisms of tachycardias by TEEPS in children having documented SVT were similar with those obtained from IEPS.
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Affiliation(s)
- Alper Akin
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, Ankara, Turkey
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Sahiner UM, Alanay Y, Alehan D, Tuncbilek E, Alikasifoglu M. Methylene tetrahydrofolate reductase polymorphisms and homocysteine level in heart defects. Pediatr Int 2014; 56:167-72. [PMID: 24112451 DOI: 10.1111/ped.12222] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2012] [Revised: 09/03/2013] [Accepted: 09/18/2013] [Indexed: 01/22/2023]
Abstract
BACKGROUND While several single nucleotide polymorphisms are known to influence the metabolism of folate, the methylene tetrahydrofolate reductase (MTHFR) gene has been the most extensively studied. The aim of this study was to investigate the relationship between the MTHFR polymorphisms 1298A>C and 677C>T and congenital heart disease. In addition, the relationship between these gene polymorphisms and homocysteine level was determined in Turkish subjects. METHODS Patients with non-syndromic congenital heart defects who were admitted to the Pediatric Cardiology Unit at Hacettepe University Ihsan Dogramaci Children's Hospital, Ankara, Turkey between June 2002 and June 2003 were recruited for the study. A total of 163 children with congenital heart defects (mean age, 7.63 ± 6.03 years; M/F, 93/70) and 93 healthy controls were analyzed. RESULTS When evaluated either separately or together, there were no differences in the frequency of MTHFR 677C>T or 1298A>C polymorphisms between the children with congenital heart defects and the control group. The results were the same when considering only conotruncal defects. Those with the 677C>T polymorphism had significantly lower homocysteine level (P = 0.004), but the 1298A>C polymorphism was not related to homocysteine level. CONCLUSION No relationship was found between congenital heart defects and 1298A>C or 677C>T polymorphisms. The 677C>T polymorphism was related to low homocysteine level. Because there is often much heterogeneity between populations, this study should be conducted in different populations and with larger numbers of participants.
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Affiliation(s)
- Umit M Sahiner
- Pediatric Cardiology, Department of Pediatrics, Hacettepe University School of Medicine, Ankara, Turkey
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Kucukoglu S, Kaymaz C, Sagin Saylam G, Kula S, Alehan D, Akcevin A, Celiker A, Cicek S, Kaya MG, Tokgozoglu L. THE QUANTIFICATION OF FUNCTIONAL CLASS AND THE SIX-MINUTE WALKING DISTANCE IN PULMONARY ARTERIAL HYPERTENSION ASSOCIATED WITH CONGENITAL SHUNTS: CLINICAL AND HEMODYNAMIC CORRELATES. J Am Coll Cardiol 2013. [DOI: 10.1016/s0735-1097(13)61269-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Kaymaz C, Kucukoglu S, Kula S, Alehan D, Saylam GS, Akcevin A, Celiker A, Cicek S, Narin N, Tokgozoglu L. THE INACCURACY OF DOPPLER ECHO ESTIMATES OF PULMONARY ARTERIAL PRESSURES IN PATIENTS WITH PULMONARY ARTERIAL HYPERTENSION ASSOCIATED WITH CONGENITAL HEART DISEASE: INSIGHTS FROM A LARGE MULTICENTER STUDY. J Am Coll Cardiol 2013. [DOI: 10.1016/s0735-1097(13)61270-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Akin A, Karagöz T, Aykan HH, Özer S, Alehan D, Özkutlu S. The efficacy of amiodarone-propranolol combination for the management of childhood arrhythmias. Pacing Clin Electrophysiol 2013; 36:727-31. [PMID: 23438019 DOI: 10.1111/pace.12107] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Revised: 12/05/2012] [Accepted: 12/28/2012] [Indexed: 11/29/2022]
Abstract
BACKGROUND The aim of this study was to present our data regarding the efficacy and safety of combining amiodarone and propranolol for the management of arrhythmias in infants. METHODS Children aged between 0 and 18 years who received combination therapy with amiodarone and propranolol for persistent monotherapy resistance tachyarrhythmia between 2007 and 2011 were included in the study. Treatment efficacy and adverse effects were evaluated by review of clinical signs and symptoms, 12-lead electrocardiogram, 24-hour Holter monitorization, liver enzymes, thyroid function tests, chest x-ray, and ophthalmologic examination. RESULTS A total of 25 patients (15 male and 10 female) were enrolled in this study with a mean age of 17.9 months (0-132) and a mean weight of 8.65 kg (2.2-25). In 18 patients, treatment was started before their first age. Tachyarrhythmia persisted in two patients despite combination therapy, and treatment regimen was changed. Complete control of the arrhythmia was achieved within the first 2 months of combination treatment in 20 patients, whereas in the remaining three patients short attacks of tachycardia who responded to dose increases were controlled beyond 2 months of treatment and no recurrence were observed. Overall, success of amiodarone-propranolol combination treatment was 92%. Mild elevation in thyroid-stimulating hormone level was observed in one patient that required discontinuation of treatment. CONCLUSION Our results suggest that a combination of amiodarone and propranolol is an effective and safe option for the treatment of persistent arrhythmias in neonates and infants, and may serve as a bridge to ablation therapy in older children.
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Affiliation(s)
- Alper Akin
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ihsan Doğramacı Childrens Hospital, Ankara, Turkey
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Karagöz T, Akin A, Ertuğrul I, Aykan HH, Alehan D, Ozer S, Ozkutlu S. Closure of the patent ductus arteriosus with the Amplatzer Duct Occluder II: a clinical experience. Acta Cardiol 2013; 67:675-80. [PMID: 23393938 DOI: 10.2143/ac.67.6.2184670] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND The aim of our study was to share our clinical experience on cases with patent ductus arteriosus treated with the Amplatzer Duct Occluder II. METHODS Between 2008 and 2012, 26 of 31 patients with patent ductus arteriosus underwent successful transcatheter closure of patent ductus arteriosus using the Amplatzer Duct Occluder II. Mean age was 3.3 years and mean weight was 15.7 kilograms. The presence of a residual shunt, left pulmonary artery or aortic obstruction was explored by administering contrast material during the procedure. The patients were discharged 24 hours after the procedure. RESULTS The procedure was successful in 26 of 31 patients and failed in five patients. According to the Krichenko classification, 26 patients had type A, one patient had type B and 4 patients had type C ductus. The mean narrowest ductus diameter was 3.2 mm and the mean ductus length was 6.7 mm. Complete angiographic occlusion occurred immediately after the procedure in 22 out of 26 patients in whom the ductus was closed successfully with the Amplatzer Duct Occluder II. Complete occlusion was achieved in the remaining patients with residual shunt one month after the procedure. The procedure was preceded by closure with an Amplatzer Duct Occluder I in two patients and an Amplatzer Vascular Plug I in one patient. CONCLUSION Amplatzer Duct Occluder II is highly effective in transcatheter closure of patent ductus arteriosus. We think that an alternative closure device and alternative techniques can be attempted in patients with type C ductus. The success rate could increase with accumulating experience.
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Affiliation(s)
- Tevfik Karagöz
- Department of Pediatric Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Sahin M, Yildirim I, Ozkutlu S, Alehan D, Ozer S, Karagöz T. Clinical features and mid- and long-term outcomes of pediatric patients with subclinical carditis. Turk J Pediatr 2012; 54:486-492. [PMID: 23427511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A study to examine mid- and long-term outcomes in patients with subclinical carditis was conducted. Data obtained at the time of diagnosis and during the follow-up of 158 patients diagnosed with subclinical carditis were retrieved and analyzed. Most patients had isolated mitral insufficiency. Frequency of morphological changes in the mitral valve was significantly lower in patients with at least one additional Jones criterion both at baseline (10.3% vs. 48.8%, p < 0.01) and at the end of the follow-up (27.8% versus 43.5%, p = 0.11). Mean jet size for mitral (12.0 +/- 8.8 versus 18.2 +/- 5.5 mm, p < 0.01) and aortic (4.1 +/- 4.0 versus 14.0 +/- 5.8 mm, p = 0.008) insufficiency were decreased compared to baseline. Improvement in mitral insufficiency was more frequent among patients with more than five years of follow-up (82.6% versus 60.0%, p = 0.039). Subclinical carditis due to acute rheumatic fever is not a benign and temporary condition. These patients should be given secondary prophylaxis.
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Affiliation(s)
- Murat Sahin
- Division of Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.
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Karadağ Öncel E, Özsürekçi Y, Konuşkan B, Haliloğlu G, Ertuğrul İ, Alehan D, Kara A. Sydenham’s Chorea: A Case Report and Review of the Literature. J Pediatr Inf 2012. [DOI: 10.5152/ced.2012.13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Kiliç E, Celiker A, Karagöz T, Alehan D, Ozkutlu S, Ozer S. Analysis of idiopathic ventricular tachycardia in childhood. Turk J Pediatr 2012; 54:269-272. [PMID: 23094537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Idiopathic ventricular tachycardia (VT) is a relatively benign and rare form of VT. It is seen in young people without demonstrable cardiac pathology. The aim of our study was to review the clinical picture of idiopathic VT, before evaluating the indications for antiarrhythmic treatment and the efficacy of radiofrequency ablation (RFA). The notes of patients diagnosed with idiopathic VT in the last 13 years (n: 22) were included in the study. The median age of onset was 11 years (1 month-16 years). We evaluated the findings regarding the diagnosis, treatment and prognosis of these patients. The most common initial symptom was palpitation, in 15 cases. Five children with idiopathic VT were symptom-free. VT was of right ventricular origin in 10 patients and left ventricular origin in 8 patients. Beta-blockers were the mainstay of medical treatment in right VT and calcium channel blockers (Ca-channel blocker) were mostly used in left VT cases. The success rate of RFA was 57% in right VT and 100% in left VT. The median follow-up was 41 months (9 months-60 months), and all patients are alive currently with no symptoms. VT without demonstrable cardiac pathology is associated with a good prognosis. Treatment is unnecessary for asymptomatic non-sustained VT. RFA is useful in patients with symptomatic drug-refractory idiopathic VT arising from the left or right ventricle.
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Affiliation(s)
- Esra Kiliç
- Division of Pediatric Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Şimşek-Kiper PÖ, Alanay Y, Gülhan B, Lissewski C, Türkyilmaz D, Alehan D, Cetin M, Utine GE, Zenker M, Boduroğlu K. Clinical and molecular analysis of RASopathies in a group of Turkish patients. Clin Genet 2012; 83:181-6. [PMID: 22420426 DOI: 10.1111/j.1399-0004.2012.01875.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The 'RASopathies' are a group of disorders sharing many clinical features and a common pathophysiology. In this study, we aimed to clinically evaluate a group of Turkish patients and elucidate the underlying genetic etiology. Thirty-one patients with a clinical diagnosis of one of the RASopathy syndromes were included in the study. Of these, 26 (83.8%) had a clinical diagnosis of Noonan syndrome, whereas 5 had a clinical diagnosis of either Costello, LEOPARD or cardio-facio-cutaneous syndromes. Twenty of 31 (64.5%) patients were found to be mutation positive. Mutations in PTPN11, SOS1 and SHOC2 genes were detected in patients with Noonan syndrome (57.6%). Mutations in MEK1, PTPN11, BRAF and HRAS genes were detected in the remaining. Pulmonary stenosis was the most common (61.5%) cardiac anomaly. Among Noonan syndrome patients with a confirmed mutation, mild intellectual disability tended to be more common in patients with PTPN11 mutation than in those with SOS1 mutation. Hematologic evaluation revealed coagulation defects in three Noonan syndrome patients with a mutation. This is currently the largest clinical and molecular study in Turkish RASopathy patients. Our findings indicate that molecular epidemiology and genotype-phenotype correlations in RASopathies are relatively independent from the ethnic population background.
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Affiliation(s)
- P Ö Şimşek-Kiper
- Pediatric Genetics Unit, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
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Ayyıldız ZA, Alehan D, Uslu N, Yüce A, Gürakan F. Echocardiographic assessment in children with Gaucher disease receiving enzyme replacement therapy. ACTA ACUST UNITED AC 2012; 12:191-2. [PMID: 22311875 DOI: 10.5152/akd.2012.053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Alehan D, Sahin M, Varan A, Yıldırım I, Küpeli S, Büyükpamukçu M. Tissue Doppler evaluation of systolic and diastolic cardiac functions in long-term survivors of Hodgkin lymphoma. Pediatr Blood Cancer 2012; 58:250-5. [PMID: 21850678 DOI: 10.1002/pbc.23281] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2011] [Accepted: 06/21/2011] [Indexed: 02/05/2023]
Abstract
BACKGROUND Monitoring for late adverse events is crucial in long-term management of childhood cancer survivors. A case-control study to evaluate long-term cardiovascular status of childhood Hodgkin lymphoma (HL) using tissue Doppler imaging (TDI) was performed. PATIENTS AND METHODS Patients diagnosed with HL before age of 18 that completed therapy and were in remission and a control group of healthy children were evaluated by echocardiography and TDI. RESULTS Total of 72 HL survivors were included in the study. Median age at diagnosis, remission time, and age at time of echocardiography were 7 (2-16), 9 (2-20), and 17.5 (7-27) years, respectively. TDI revealed decreased S' velocity, reflecting systolic dysfunction in HL survivors, at medial and lateral mitral annuli and at middle segment of interventricular septum (IVS; P < 0.01) for all. Moreover, TDI showed decreased peak E' velocity at medial mitral annulus [12.4 cm/s (5.5-16.3) vs. 13.3 cm/s (10.2-18.9), P = 0.03] and at middle segment of IVS [10 cm/s (5.3-16.3) vs. 11.6 cm/s (6.7-16.7), P < 0.01] and prolongation of isovolemic relaxation time at medial and lateral annuli of the mitral valve (P < 0.01) and at middle segment of IVS (P = 0.03) suggesting diastolic dysfunction in HL survivors. CONCLUSION Cardiac dysfunction after childhood cancer therapy may develop after many years. Since systolic and diastolic dysfunction can be seen in these patients periodic echocardiographic screening of both systolic and diastolic function in the survivors of HL might be useful in the follow-up of these patients.
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Affiliation(s)
- Dursun Alehan
- Department of Pediatrics, Hacettepe University Faculty of Medicine, Sıhhiye, Ankara, Turkey.
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Gülhan B, Kesici S, Beken S, Cilsal E, Kale G, Alehan D, Kara A, Ozen S. Varying clinical features of Turkish Kawasaki disease patients. Turk J Pediatr 2012; 54:1-6. [PMID: 22397034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Kawasaki disease (KD) is an acute, systemic and self-limited vasculitis that is complicated with the development of coronary artery (CA) aneurysms. We present the clinical features of Turkish KD patients from a tertiary referral center. When 33 KD patients were assessed, a number of features stood out as differing from the expected, for example, periungual peeling 7.5 +/- 7.5 days after fever onset--42.4% of patients had periungual peeling within 14 days after fever onset. CA involvement was detected at an average of 12.3 +/- 7.9 days after fever onset. Fifty percent of the patients had been diagnosed to have CA involvement within eight days after the onset of fever. The performance of criteria suggested by American Heart Association was satisfactory, with 19 of 29 patients (65.5%) having three or more of the required laboratory features (sensitivity 65.5%). We believe Turkish patients may present differences in the course of KD.
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Affiliation(s)
- Bora Gülhan
- Division of 1Pediatric Nephrology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Parlakay AO, Karagöz T, Ozkutlu S, Ozen S, Alehan D, Yiğit S. Evaluation of diagnostic accuracy of portable echocardiography in newborns. ACTA ACUST UNITED AC 2011; 11:627-32. [PMID: 21959878 DOI: 10.5152/akd.2011.167] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Congenital heart disease is the most common life-threatening anomaly in the neonatal period. Screening for this disease with portable echocardiography is crucial to diagnose in the early period, and it has benefits in saving time and decreasing the cost. Portable echocardiography has advantages of rapid access and lower costs and also has advantage that in intensive care units there is no necessity to move patients. With these advantages, it is aimed to compare the sensitivity of portable echocardiography comparing to standard echocardiography. METHODS In this study, the portable echocardiography results of the sequentially enrolled newborns hospitalized in the neonatal departments are revised. Portable echocardiography results were verified with standard echocardiography in 83 (43%) female and 111 (57%) male patients. This study was planned as a study on diagnostic accuracy. RESULTS The gestational periods were between 24 weeks, 3 days and 42 weeks (average 35 weeks±4 weeks 3 days). Birth weights were between 500 and 4850 grams (average 2370±936 grams). The reason that portable echocardiography had been studied was murmur in 113 (58.2%) patients, cyanosis in 47 (24.2%) patients, prenatal anomaly in 12 (6.2%) patients, bradycardia in 12 (6.2%) patients, maternal diabetes in 6 (3.1%) patients and respiratory distress in 4 (2.1%) patients. Out of 194 patients 8 (4.1%) had differences between standard and portable echocardiography. Compared to standard echocardiography, portable echocardiography has the sensitivity values ranged between 99.3-100% and the specificity values ranged between 90.9-100% in diagnosis of specific CHD anomalies. Positive predictive value was between 50-100% whereas negative predictive value was between 97.9-100%. The agreement between results of two tests was determined as very good - kappa 0.886, 95%CI -0.821-0.951, p<0.0001. CONCLUSION It is demonstrated that portable echocardiography has a high sensitivity especially diagnosing major heart defects, and with advantages of rapid access and lower costs it is estimated that increasing usage of portable echocardiography could be beneficial.
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Sekerel BE, Sahiner UM, Can M, Abali G, Alehan D, Aytemir K. The effects of inhaled formoterol on the autonomic nervous system in adolescents with asthma. Ann Allergy Asthma Immunol 2011; 107:266-72. [PMID: 21875547 DOI: 10.1016/j.anai.2011.06.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 05/24/2011] [Accepted: 06/10/2011] [Indexed: 11/28/2022]
Abstract
BACKGROUND The safety of long-acting beta-2-adrenergic agonists is increasingly questioned by physicians. Although formoterol is frequently used in childhood, its effects on the autonomic cardiovascular system have not been studied. OBJECTIVE To investigate the effects of inhaled formoterol on autonomic nervous system using heart rate variability in adolescents with persistent asthma. METHODS Electrocardiography of 20 asthmatic adolescents (12-20 years) was monitored for 5 specific days. The first day served as basal measurement, and the 2nd and 3rd days reflected the effects of a single and 2 doses of formoterol, respectively. From days 4 to 29, patients received regular treatment with formoterol/budesonide and were monitored on days 30 and 31 to evaluate the development of cardiac and respiratory tolerance after single-dose and 2 doses of formoterol, respectively. Electrocardiographs were analyzed for heart rate, heart rate variability (both time and frequency domain parameters), and spirometry tests were performed. RESULTS Inhalation of single-dose formoterol increased heart rate and decreased heart rate variability parameters (ratio of the normal-to-normal [NN] interals changing in excess of 50 ms to total of NN intervals [pNN50], total power [TP][ms], TP[ln]) compared with the corresponding baseline values during the first 12 hours of the day. The heart rate variability parameters (pNN50, TP[ms], TP[ln], root mean square of differences between adjacent NN intervals) during the first 12 hours were increased on the 30th day compared with the 2nd day and decreased on the 31st day compared with the 30th day. CONCLUSION Single-dose formoterol inhalation decreases cardiovagal responsiveness and increases the sympathetic tone in cardiac autonomous control, and regular use of formoterol causes development of tolerance to these effects. However, additive doses of formoterol cause loss of this tolerance.
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Affiliation(s)
- Bülent E Sekerel
- Department of Pediatric Allergy and Asthma, Hacettepe University, Ankara, Turkey.
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Yıldırım I, Karagöz T, Sahin M, Alehan D, Ozer S, Ozkutlu S, Celiker A. Endovascular stents for treatment of coarctation of the aorta. Anadolu Kardiyol Derg 2011; 11:360-361. [PMID: 21592937 DOI: 10.5152/akd.2011.089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Affiliation(s)
- Işıl Yıldırım
- Department of Pediatrics Cardiology, Faculty of Medicine, Hacettepe University, Sıhhiye, Ankara, Turkey
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Yalçın SS, Engür-Karasimav D, Alehan D, Yurdakök K, Ozkutlu S, Coşkun T. Zinc supplementation and TNF-α levels in vaccinated cardiac patients. J Trace Elem Med Biol 2011; 25:85-90. [PMID: 21514808 DOI: 10.1016/j.jtemb.2011.03.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2010] [Revised: 02/06/2011] [Accepted: 03/17/2011] [Indexed: 10/18/2022]
Abstract
OBJECTIVE To investigate whether zinc supplementation could affect serum tumor necrosis factor-alpha (TNF-α) levels in congenital and acquired cardiac patients attending for an influenza vaccine. METHODS 9-18 years old, voluntary children with cardiac disease were weighed, measured height and blood samples for hemoglobin level, zinc level, IgA and IgG titers of influenza A and B serotypes and TNF-α levels were obtained. The children were randomly assigned to 1 of 2 groups: ZV group received both zinc supplementation and influenza vaccine; V group received influenza vaccine. Serum TNF-α levels were measured at 28 days after the immunization. RESULTS Mean (±SD) serum zinc level was 100 (±20) μg/dL. Cases with congenital heart disease had lower serum zinc levels than acquired ones (93±17 μg/dL, 116±18 μg/dL; respectively, p<0.001). Median titers of serum TNF-α decreased after vaccination (78.9 pg/mL, 74.8 pg/mL; p<0.05) but this significant change occurred only in ZV group (77.1 pg/mL, 73.4 pg/mL; p=0.001). Vaccine associated adverse events were similar in ZV and V groups except malaise (0% in ZV and 23.8% in V group; p<0.05). Adverse events were similar in patients with congenital and acquired heart diseases. During the previous influenza season, 77.3% had more than two episodes of upper respiratory tract infection (URTI), however, after vaccination only 13.6% had more than two episode of URTI. CONCLUSION Zinc supplementation has a beneficial effect on malaise, one of the influenza vaccine associated adverse events, and decrease serum TNF-α levels.
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Affiliation(s)
- S Songül Yalçın
- Unit of Social Pediatrics, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
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Celiker A, Olgun H, Karagoz T, Ozer S, Ozkutlu S, Alehan D. Midterm experience with implantable cardioverter-defibrillators in children and young adults. Europace 2010; 12:1732-8. [DOI: 10.1093/europace/euq340] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Yildirim I, Karagoz T, Sahin M, Celiker A, Alehan D, Ozer S, Ozkutlu S. OP-036 TRANSCATHETER CLOSURE OF CORONARY ARTERY FISTULAS. Int J Cardiol 2010. [DOI: 10.1016/s0167-5273(10)70038-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Küpeli S, Hazirolan T, Varan A, Akata D, Alehan D, Hayran M, Besim A, Büyükpamukçu M. Evaluation of coronary artery disease by computed tomography angiography in patients treated for childhood Hodgkin's lymphoma. J Clin Oncol 2010; 28:1025-30. [PMID: 20038721 DOI: 10.1200/jco.2009.25.2627] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
PURPOSE To detect pathologies in coronary arteries by computed tomography angiography (CTA) in survivors of childhood Hodgkin's lymphoma who have been treated with radiotherapy and/or cardiotoxic agents. PATIENTS AND METHODS Patients with HL who have been in remission for at least 2 years after completion of therapy were included. CBC, lipid profile, urine analysis, brain natriuretic peptide, troponin-T, creatinine kinase-myocardial band, ECG, telecardiography, echocardiography, and CTA of the patients were performed. Cardiac vascular abnormalities were noted. Results A total of 119 patients were included in the study. In 19 patients (16%), we found coronary artery abnormalities. There was a significant difference between the patients who received mediastinal radiotherapy and those who did not (P = .02). By multivariate analysis, in patients receiving mediastinal radiotherapy the risk of developing a coronary artery abnormality was found to increase 6.8 times compared with patients who did not receive mediastinal radiotherapy (P = .009). Stent implantation was performed in a 28-year-old patient because of critical stenosis in right coronary. In two patients some irregularities were detected both in CTA and conventional angiography, and they remained in close follow-up. A 22-year-old patient whose CTA showed critical stenosis in his left anterior descending artery refused the conventional angiography. CONCLUSION To our knowledge, this is the first large study using CTA for detection of coronary abnormalities in patients treated for HL in pediatric age group. Coronary CTA is a minimally invasive tool for early diagnosis of coronary artery disease in patients who were treated with mediastinal radiotherapy and/or cardiotoxic chemotherapy.
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Affiliation(s)
- Serhan Küpeli
- MSc, Hacettepe University, Institute of Oncology, Department of Pediatric Oncology, 06100, Ankara, Turkey.
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Aypar E, Alehan D, Hazırolan T, Gümrük F. The efficacy of tissue Doppler imaging in predicting myocardial iron load in patients with beta-thalassemia major: correlation with T2* cardiovascular magnetic resonance. Int J Cardiovasc Imaging 2010; 26:413-21. [DOI: 10.1007/s10554-010-9591-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2009] [Accepted: 01/11/2010] [Indexed: 10/19/2022]
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Erdoğan I, Celiker A, Ozkutlu S, Ozer S, Alehan D, Karagöz T. Assessment and follow-up of coronary abnormalities in Turkish children with Kawasaki disease. Anadolu Kardiyol Derg 2009; 9:342-344. [PMID: 19666439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Affiliation(s)
- Ilkay Erdoğan
- Department of Pediatric Cardiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
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Erdoğan I, Ozer S, Karagöz T, Celiker A, Ozkutlu S, Alehan D. Treatment of dilated cardiomyopathy with carvedilol in children. Turk J Pediatr 2009; 51:354-360. [PMID: 19950843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
We performed a study to examine the clinical use of carvedilol, its dosage and its effects on systolic functions in children. Twenty-one patients with dilated cardiomyopathy who were treated with carvedilol adjacent to standard heart failure therapy were enrolled in the study. Echocardiographic assessment was obtained before and during carvedilol therapy, and left ventricular fractional shortening and left ventricular ejection fraction were determined in order to estimate left ventricular function. At a follow-up of six months, left ventricular ejection fraction and fractional shortening significantly improved from 38 +/- 10% to 53 +/- 13% and from 19 +/- 6 % to 27 +/- 8%, respectively, following carvedilol treatment. The results of the present study indicate that carvedilol is well tolerated in children with dilated cardiomyopathy and there is a significant improvement in the clinical status and left ventricular ejection fraction in patients not responding to conventional therapy. Patient selection criteria, optimal timing of carvedilol therapy, its dosage and its long-term effects need to be investigated with multi-institutional trials and large numbers of patients.
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Affiliation(s)
- Ilkay Erdoğan
- Pediatric Cardiology Unit, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Aktas D, Weise A, Utine E, Alehan D, Mrasek K, von Eggeling F, Thieme H, Tuncbilek E, Liehr T. Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report. Mol Cytogenet 2009; 2:14. [PMID: 19566937 PMCID: PMC2715415 DOI: 10.1186/1755-8166-2-14] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2009] [Accepted: 06/30/2009] [Indexed: 01/30/2023] Open
Abstract
Background Because of low copy repeats (LCRs) and common inversion polymorphisms, the human chromosome 8p is prone to a number of recurrent rearrangements. Each of these rearrangements is associated with several phenotypic features. We report on a patient with various clinical malformations and developmental delay in connection with an inverted duplication event, involving chromosome 8p. Methods Chromosome analysis, multicolor banding analysis (MCB), extensive fluorescence in situ hybridization (FISH) analysis and microsatellite analysis were performed. Results The karyotype was characterized in detail by multicolor banding (MCB), subtelomeric and centromere-near probes as 46,XY,dup(8)(pter->p23.3::p12->p23.3::p23.3->qter). Additionally, microsatellite analysis revealed the paternal origin of the duplication and gave hints for a mitotic recombination involving about 6 MB in 8p23.3. Conclusion A comprehensive analysis of the derivative chromosome 8 suggested a previously unreported mechanism of formation, which included an early mitotic aberration leading to maternal isodisomy, followed by an inverted duplication of the 8p12p23.3 region.
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Affiliation(s)
- Dilek Aktas
- Hacettepe University Faculty of Medicine, Department of Genetics, 06100 Sihhiye, Ankara, Turkey.
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Simsek PO, Ozcelik U, Celiker A, Yalcin E, Cobanoglu N, Pekcan S, Alehan D, Ucar C, Dogru D, Kiper N. A case of congenital agenesis of the right pulmonary artery presenting with hemoptysis and mimicking pulmonary hemosiderosis. Eur J Pediatr 2009; 168:217-20. [PMID: 18478262 DOI: 10.1007/s00431-008-0726-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2008] [Accepted: 03/27/2008] [Indexed: 11/27/2022]
Abstract
Congenital unilateral absence of a pulmonary artery is a rare anomaly most frequently accompanied by other cardiovascular anomalies. We report a 10-year-old girl presenting with fatigue and recurrent hemoptysis who was initially misdiagnosed with idiopathic pulmonary hemosiderosis. Her symptoms did not resolve despite treatment so she was referred to our center for further evaluation. We carried out an angiography which revealed the absence of the right pulmonary artery and multiple collaterals originating from the right subclavian and right internal mammary arteries supplying the right lung. During the follow-up the patient developed a severe episode of pulmonary infection and pulmonary hypertension which responded well to medical treatment. Physicians should be aware of the congenital absence of the right pulmonary artery especially in patients presenting with recurrent respiratory symptoms. Although this condition is generally considered to have a good prognosis, close observation is mandatory in order to prevent further complications and comorbidities.
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Balci S, Altugan FS, Alehan D, Aypar E, Baltaci V. A prenatally sonographically diagnosed conotruncal anomaly with mosaic type trisomy 21 and 22q11.2 microdeletion/DiGeorge syndrome. Genet Couns 2009; 20:373-377. [PMID: 20162873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
A prenatally sonographically diagnosed conotruncal anomaly with mosaic type trisomy 21 and 22q11.2 microdeletion/DiGeorge syndrome: We report a prenatally sonographically diagnosed conotruncal and urogenital anomaly. Postnatally, the patient presented with seizures, hypocalcemia, hypoparathyroidism and thymic aplasia and diagnosed as DiGeorge syndrome. Echocardiography showed malalignment VSD, supravalvular pulmonary stenosis and overriding aorta. Chromosome and FISH studies showed the association of mosaic type trisomy 21 and 22q11.2 microdeletion. The present patient is the second case of mosaic type of Down syndrome associated with 22q11.2 microdeletion. In addition the patient also had clinical and laboratory features of DiGeorge syndrome.
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Affiliation(s)
- S Balci
- Department of Clinical Genetics, Hacettepe University Faculty of Medicine, Ihsan Hospital, 06100, Sihhiye, Ankara, Turkey.
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Erdoğan I, Alehan D, Hazirolan T, Haliloğlu M. Right ventricular lipoma. Anadolu Kardiyol Derg 2008; 8:E25-E26. [PMID: 18676291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Affiliation(s)
- Ilkay Erdoğan
- Department of Pediatric Cardiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
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Oguz KK, Haliloglu G, Alehan D, Topcu M. Recurrent pseudotumoral hemicerebellitis: neuroimaging findings. Pediatr Radiol 2008; 38:462-6. [PMID: 18185927 DOI: 10.1007/s00247-007-0725-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2007] [Revised: 10/30/2007] [Accepted: 10/31/2007] [Indexed: 11/27/2022]
Abstract
We present the case of a 13-year-old girl with pseudotumoral hemicerebellitis that recurred 22 months after the first episode together with conventional MR imaging findings and diffusion-weighted imaging and MR spectroscopy findings. A mirror pattern of involvement was present with the contralateral hemisphere affected in the second episode. Recurrent hemicerebellitis is unique and recognition of the radiological findings allows accurate diagnosis that can be a challenge clinically.
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Affiliation(s)
- Kader K Oguz
- Department of Radiology, Faculty of Medicine, Hacettepe University, Sihhiye, 06100 Ankara, Turkey.
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Semizel E, Alehan D, Ozer S, Serdar MA. Eisenmenger syndrome: identifying the clues for arrhythmia. Anadolu Kardiyol Derg 2008; 8:32-37. [PMID: 18258531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
OBJECTIVE The aim of this case-controlled, cross-sectional study is to investigate the tendency towards arrhythmia using noninvasive arrhythmia markers (QT dispersion and heart rate variability) in children with Eisenmenger syndrome. METHODS We studied 23 patients, whose pulmonary-to-systemic resistance ratio was calculated to be greater than 0.75, and who were diagnosed as Eisenmenger syndrome between 1990 and 2001. Twenty healthy children were studied as the control group. Electrocardiographic recordings with calculation of QT dispersion, Holter monitoring, echocardiographic studies and heart rate variability (HRV) analysis were performed in both groups. Catheterization records were analyzed in all the patients. RESULTS QT and QTc dispersion were higher (p=0.007 and p=0.006, respectively) and PR interval was longer (p=0.009) in the patients with Eisenmenger syndrome, than those in the control group. In addition, low frequency component, high frequency component, very low frequency component, and total power, obtained from HRV analysis were significantly lower in the patients with Eisenmenger syndrome (p=0.001, p=0.006, p=0.009 and p=0.011, respectively). Evaluation of Holter recordings revealed pathologic findings in 21.7% of the patients with Eisenmenger syndrome. Pulmonary-to-systemic resistance ratio of the patients with pathologic Holter findings were higher than in the patients with normal Holter recordings (p=0.011). It was also shown that there was a positive correlation between OT dispersion and pulmonary-to-systemic resistance ratio (p=0.048, r=0.416) and between QT dispersion and PR interval (p=0.009, r=0.532) in the patients with Eisenmenger syndrome. CONCLUSION Dispersion of repolarization, being associated with high pulmonary-to-systemic resistance ratio, is increased and autonomic modulation of heart rate is impaired in patients with Eisenmenger syndrome. These findings suggest that arrhythmia risk for patients with Eisenmenger syndrome is higher than in normal controls.
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Affiliation(s)
- Evren Semizel
- Cardiology Unit, Department of Pediatrics, Uludağ University, Faculty of Medicine, Bursa, Turkey.
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Talim B, Koksal B, Akcoren Z, Topcu M, Alehan D, Kale G, Topaloglu H. C.P.2.12 Congenital muscular dystrophy with mental retardation, dilated cardiomyopathy and abnormally located mitochondria. Neuromuscul Disord 2007. [DOI: 10.1016/j.nmd.2007.06.288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Cardiac malformations are very rare in which the great arteries arise from their appropriate ventricles, but are abnormally related to each other. Here, we present a patient with mirror-imaged atrial arrangement and a left-sided heart who has parallel arterial trunks with discordant atrioventricular and concordant ventriculo-arterial connections. The ventricles were related in supero-inferior fashion, the left ventricle being anterior and superior, this being an additional feature which, to the best of our knowledge, has not previously been described in this setting.
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Affiliation(s)
- Suheyla Ozkutlu
- Division of Cardiology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Alehan D, Dogan OF, Ozkutlu S. Echocardiographic diagnosis of an extremely rare case with double-outlet left ventricle, tricuspid atresia, and two balanced ventricles. Pediatr Cardiol 2007; 28:418-9. [PMID: 17786381 DOI: 10.1007/s00246-005-6006-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- D Alehan
- Department of Pediatric Cardiology, Hacettepe University School of Medicine, Ankara, Turkey
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