Publications by authors named "Odemis E"

Purpose: Pulmonary atresia with intact ventricular septum is a multifactorial disease requiring complex surgeries. The treatment route is determined based on the right ventricle (RV) size, tricuspid annulus size and coronary circulation dependency of RV. Since multiple parameters influence the post-operative success, a personalized decision-making based on computed hemodynamics is hypothesized to improve the treatment efficacy.

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Fontan Failure (FF) is a common problem for single-ventricle patients as they reach adulthood. Although several mechanisms may cause FF, an optimized blood flow stream through the surgical conduits is essential to avoid excessive energy loss (EL). Recent clinical studies showed EL is related to the quality of life, exercise capacity, and hepatic function since the single-ventricle feeds pulmonary and systemic circulation serially.

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Background: There is limited data on the organisation of paediatric echocardiography laboratories in Europe.

Methods: A structured and approved questionnaire was circulated across all 95 Association for European Paediatric and Congenital Cardiology affiliated centres. The aims were to evaluate: (1) facilities in paediatric echocardiography laboratories across Europe, (2) accredited laboratories, (3) medical/paramedical staff employed, (4) time for echocardiographic studies and reporting, and (5) training, teaching, quality improvement, and research programs.

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Article Synopsis
  • Percutaneous pulmonary valve implantation (PPVI) is a minimally invasive method for treating severe pulmonary regurgitation in patients who have had tetralogy of Fallot repair, with the success relying on accurate valve sizing and performance.
  • Custom-modified cardiovascular mock loops were utilized to test 3D-printed pulmonary artery models for five patients, assessing various valve sizes under different cardiac conditions to enhance PPVI planning.
  • The experiments revealed that certain valve sizes in the mock models demonstrated improved hemodynamic performance compared to those actually implanted in two of the patients.
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In conventional and robotic rehabilitation, the patient's active participation in exercises is essential for the maximum functional output to be received from therapy. In rehabilitation exercises performed with robotic devices, the difficulty levels of therapy tasks and the device assistance are adjusted based on the patient's therapy performance to improve active participation. However, the existing therapy performance evaluation methods are based on either some specific device designs or certain therapy tasks, which limits their widespread use.

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Background And Aims: Transcatheter pulmonary valve implantation (TPVI) is indicated to treat right-ventricular outflow tract (RVOT) dysfunction related to congenital heart disease (CHD). Outcomes of TPVI with the SAPIEN 3 valve that are insufficiently documented were investigated in the EUROPULMS3 registry of SAPIEN 3-TPVI.

Methods: Patient-related, procedural, and follow-up outcome data were retrospectively assessed in this observational cohort from 35 centres in 15 countries.

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Background: The best transfusion approach for CHD surgery is controversial. Studies suggest two strategies: liberal (haemoglobin ≤ 9.5 g/dL) and restrictive (waiting for transfusion until haemoglobin ≤ 7.

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Background: This study aims to evaluate early and mid-term outcomes of ductal stenting via carotid artery surgical cut-down technique in neonates.

Methods: Between January 2015 and January 2022, a total of 17 neonates (12 males, 5 females; median age: 14 days, range, 5 to 34 days) who underwent carotid artery surgical cut-down technique for ductal stenting were retrospectively analyzed. Diagnoses of the patients, demographics, procedural success/failure, access-related complications, and neuroimaging findings were recorded.

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Article Synopsis
  • *Nowadays, doctors usually find the carotid artery using special ultrasound machines instead of old methods like cut-downs.
  • *There can be problems like bleeding or a rare condition called pseudoaneurysm, so it's really important for doctors to quickly identify and treat these issues to keep patients safe.
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We report a successful percutaneous tricuspid valve implantation followed by a percutaneous pulmonary valve implantation in a young child with Ebstein's anomaly of tricuspid valve and pulmonary stenosis who was previously treated surgically at 1 year of age with tricuspid ring annuloplasty and a transannular outflow patch. This article shows the feasibility of sequential implantation of two valves in young patients with severe tricuspid and pulmonary valve insufficiency.

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Background: Transcatheter closure of perimembranous ventricular septal defects is challenging. Double disk-designed devices have high adverse event rates; therefore, research into new devices persists. One such devise is the LifetechTM Konar-MF Occluder device (MFO), which is increasingly used.

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Objective: The purpose of this study is to assess the feasibility, effectivity, and safety of a novel self-expandable valve system, Pulsta® transcatheter heart valve in patients with tetralogy of fallot and severe pulmonary regurgitation after transannular patch repair.

Background: Severe pulmonary regurgitation after tetralogy of fallot repair is a life-threatening problem and should be treated by pulmonary valve implantation. Although percutaneous pulmonary valve implantation has been ever increasingly used for this purpose, available balloon-expandable valves have limitations and cannot be used by most patients.

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Background: Cyanotic CHD is a life-threatening condition that presents with low oxygen saturation in the newborn period. Hypoxemia might cause alterations in the metabolic pathways. In the present study, we aimed to evaluate the early postnatal amino acid and carnitine/acylcarnitine profiles of newborn infants with cyanotic CHD.

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Pulmonary arteriovenous malformation is a rare disease leading to cyanosis, where there is a direct relation between the pulmonary artery and pulmonary vein without a capillary structure. Arteriovenous fistulae may be single or multiple. Clinical signs emerge depending on the size of the fistulae and amount of shunt.

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Middle aortic syndrome is a severe form of aortic coarctation and mostly involves the thoracic and abdominal part of the aorta. Traditional surgical approach has some potential risks and repetitive operations. Percutaneous stent implantation is a feasible and safe method for the palliation of middle aortic syndrome in childhood.

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Background: The effect of prenatal diagnosis on prognosis in patients with transposition of the great arteries is not clear. In this study, we compared the outcomes after arterial switch operation.

Methods: Outcome of 112 patients who had arterial switch operation in the neonatal period were analysed.

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The rate of morbidity and mortality related to pulmonary regurgitation and pulmonary stenosis are big concerns after the surgery for CHD. Percutaneous pulmonary valve implantation has been established as a less invasive technique compared to surgery with promising results according to long-term follow-up of the patients. There are only two approved valve options for percutaneous pulmonary valve implantation until now, which are Melody (Medtronic, Minneapolis, Minn, USA) and Sapien (Edwards Lifesciences, Irvine, Ca, USA).

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Objectives: Interrupted aortic arch (IAA) includes a broad spectrum of associated anomalies. In this study, we present our surgical management and patient-specific decisions regarding IAA anomalies with early- and mid-term outcomes.

Methods: The medical records of 25 patients undergoing IAA repair between 2014 and 2019 were retrospectively reviewed.

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Background: Acute kidney injury (AKI) is a common complication of congenital heart diseases (CHDs) after cardiac surgery. This study aimed to define the frequency and critical course, risk factors and short-term outcomes of AKI in postoperative CHD neonates.

Methods: Postoperatively followed term CHD newborn infants were enrolled in the study.

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Objectives: Surgical management of aortic arch hypoplasia (AAH) with associated intracardiac anomalies is a challenge in newborns. We reviewed the characteristics and outcomes of neonates and infants who underwent pulmonary artery banding concomitant to arch repair and single-stage total repair at our institution.

Methods: Medical records of 60 patients undergoing aortic arch reconstruction for AAH from 2014 to 2019 were retrospectively reviewed.

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Objective: We aimed to determine the early and midterm outcomes of ductal stenting in neonates with ductal-dependent pulmonary blood flow.

Methods: Between January, 2014 and July, 2018, 102 patients who underwent 115 cardiac catheterisation procedures for ductal stent implantation in our department were retrospectively reviewed. The age of the neonates ranged from 3 to 30 days (median: 11 days) and their weights ranged from 1.

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Background: In this study, we present the outcomes of hybrid and Norwood Stage I procedures for the treatment of hypoplastic left heart syndrome and its variants.

Methods: In this study, a total of 97 pediatric patients who were operated due to hypoplastic left heart syndrome and its variants between March 2011 and October 2018 were retrospectively analyzed. Thirty-two of the patients (28 males, 4 females; median age 5 days; range, 1 to 25 days) underwent Norwood Stage I operation (Group N), while the remaining 65 patients (44 males, 21 females; median age 6 days; range, 1 to 55 days) underwent a hybrid procedure (Group H).

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