Specializations
Coronary Artery Diseases (Cardiovascular Occlusion, Heart Attack)
High Blood Pressure (Hypertension)
High Cholesterol (Hyperlipidemia)
Heart Valve Diseases
Rhythm Disorders (Arrhythmias)
Heart failure
Leg Vascular Diseases
Cervical Vascular Diseases
Specializations
Coronary Artery Diseases (Cardiovascular Occlusion, Heart Attack)
High Blood Pressure (Hypertension)
High Cholesterol (Hyperlipidemia)
Heart Valve Diseases
Rhythm Disorders (Arrhythmias)
Coronary, Angiography and Intervention
Specializations
Coronary Artery Diseases (Cardiovascular Occlusion, Heart Attack)
High Blood Pressure (Hypertension)
High Cholesterol (Hyperlipidemia)
Heart Valve Diseases
Rhythm Disorders (Arrhythmias)
Coronary, Angiography and Intervention
Experienced cardiac surgeonspecializing in varicoseveins, coronary bypasssurgery, heart valve diseases, aortic aneurysms, heart aneurysms, and TAVI procedures.
Dedicated to providing high-quality care and innovative surgical solutions to patients.
2022 : Professorship, Istanbul Arel University
2015 : Associate Professorship, Şişli Memorial Hospital
1997-2002: Residency in Cardiovascular Surgery,Florence Nightingale Hospital/ Kadir Has University 1989-1995 : Medical Degree, Hacettepe University Medical Faculty (English Program)
1982-1989 : TarsusAmerican College
Varicose Veins
Coronary Bypass Surgery Heart Valve Diseases Aortic Aneurysms
Heart Aneurysms
TAVI (Transcatheter Aortic Valve Implantation) Work Experience:
Current: İstanbul FlorenceNightingale Hastanesi, Cardiovascular Surgery Department Previous: Şişli Memorial Hospital, Cardiovascular Surgery Department
2024 – İstanbul Medicine Hastanesi
2011-2024 Adana Medline Hastanesi
2014-2023 Yakın Doğu Üniversitesi Tıp Fakültesi Hastanesi
2009-2011 Gaziantep Medikal Park Hastanesi
2005-2009 Urfa ve Gaziantep Devlet Hastaneleri
2000-2005 Çukurova Üniversitesi Tıp Fakültesi Hastanesi
2015 Near East University Cardiology Professor
2009 25 December State Hospital Cardiology Associate Professorship
2005 Çukurova University Cardiology Specialist
1998 Hacettepe University Faculty of Medicine Undergraduate
Areas of Expertise
Coronary angiography and stenting (Complex coronary, bifurcation and CTO)
Electrophysiological Study (EPS) and Ablation
Pacemaker and ICD implantation procedures
Congenital heart disease (ASD, VSD and PDA closure) procedures
Endovascular and aortic coarctation stenting (EVAR, TEVAR)
Carotid artery stenting procedures
Renal (kidney) artery stenting procedures
Subclavian (arm) artery stenting procedures
Lower extremity (leg) artery balloon and stenting procedures
Publications
Reliability of Doppler methods in the evaluation of the left ventricular systolic function in patients with idiopathic dilated cardiomyopathy O Akpinar, A Bozkurt, E Acartürk Echocardiography 24 (10)
Tissue Doppler imaging and NT-proBNP levels show the early impairment of ventricular function in patients with ß-thalassaemia major O Akpinar, E Acartürk, M Kanadaşi, Ç Ünsal, F Başlamişli Acta cardiologica 62 (3)
H-FABP in the early diagnosis of stroke O Akpınar, S Geyik, A Açıkalın, Y Karakan, Ö Tiryaki Journal of neurology 256 (11)
A new index (CHOLINDEX) in detecting coronary artery disease risk O Akpinar, A Bozkurt, E Acarturk, G Seydaoğlu Anatolian Journal of Cardiology 13 (4) 2013
Prognostic value of troponin t in patients with acute ischemic stroke in emergency department O Akpinar, Z Karakaya Acta Medica Mediterranea 33 (5)
Echocardiographic findings in patients with Behçet’s disease A Bozkurt, O Akpınar, S Uzun, A Akman, D Arslan, A Birand The American journal of cardiology 97 (5)
Acute effects of smoking on right ventricular function TF Ilgenli, O Akpinar Swiss Medical Weekly 137 (0506)
Atrial myxoma: an unusual cause of myocardial infarction M Demir, O Akpinar, E Acarturk Texas Heart Institute Journal 32 (3)
Frequency of diastolic dysfunction in patients with sickle cell anaemia: a tissue Doppler imaging study M Kanadaèsi, O Akpinar, çayli Murat, Y Dænmez, E Acartìrk Acta cardiologica 60 (5)
The prognostic value of arterial stiffness in systolic heart failure Ş Demir, O Akpınar, O Akkus, K Nas, I Unal, F Molnar, A Demir, M Illyés, … Cardiology journal 20 (6)
Correlation of the coronary severity scores and mean platelet volume in diabetes mellitus G Abalı, O Akpınar, N Söylemez Advances in therapy 31
The Evaluation of Left Ventricular Systolic and Diastolic Functions in Patients With Friedreich Ataxia A Pulse Tissue Doppler Study F Koc, O Akpinar, D Yerdelen, M Demir, Y Sarica, M Kanadasi International Heart Journal 46 (3)
Effects of chronic cigarette smoking on myocardial deformation parameters by two‐dimensional speckle tracking echocardiography B Yaman, O Akpınar, L Cerit, HS Kemal, S Usalp, Ü Yüksek, E Açıkgöz, … Echocardiography 36 (11), 2026-2032, 2019
The beneficial effect of low‐intensity exercise on cardiac performance assessed by two‐dimensional speckle tracking echocardiography B Yaman, O Akpınar, HS Kemal, L Cerit, B Sezenöz, E Açıkgöz, H Duygu Echocardiography 37 (12), 1989-1999, 2020
Severity of coronary artery disease and echocardiographic parameters of ventricular diastolic function G Abalı, O Akpınar, V Nisanoğlu, TF Ilgenli Echocardiography 31 (7)
Comparison of IQOS (heated tobacco) and cigarette smoking on cardiac functions by two-dimensional speckle tracking echocardiography B Yaman, O Akpınar, HS Kemal, L Cerit, Ü Yüksek, N Söylemez, H Duygu Toxicology and Applied Pharmacology 423
eNOS gene intron 4 a/b VNTR polymorphism is a risk factor for coronary artery disease in Southern Turkey S Matyar, G Attila, E Acartürk, O Akpinar, T İnal Clinica Chimica Acta 354 (1-2)
Unusual electrocardiographic changes with propranolol and diltiazem overdosage: a case report S Satar, A Acikalin, O Akpinar American journal of therapeutics 10 (4)
Effects of apolipoprotein E genotypes and other risk factors on the development of coronary artery disease in Southern Turkey G Attila, E Acartürk, G Eskandari, O Akpinar, A Tuli, M Kanadaşi, L Kayrin Clinica chimica acta 312 (1-2)
Insertion/deletion polymorphism of the angiotensin converting enzyme gene in coronary artery disease in southern Turkey E Acarturk, G Attila, A Bozkurt, O Akpinar, S Matyar, G Seydaoglu BMB Reports 38 (4)
Gene-gene interaction of ACE I/D, endothelial nitric oxide synthase 4 a/b and ApoE does not affect coronary artery disease severity S Matyar, E Acartürk, G Attila, İ Ünal, L Soyer, O Akpınar Advances in Clinical and Experimental Medicine 23 (2)
The effects of cigarette smoking on the Tp-e interval, Tp-e/QT ratio and Tp-e/QTc ratio TF İlgenli, A Tokatlı, O Akpınar, F Kılıçaslan Adv Clin Exp Med Nov-Dec;24(6)
Right and left ventricular adaptation to training determined by conventional echocardiography and tissue Doppler imaging in young endurance athletes M Koç, A Bozkurt, O Akpinar, N Ergen, E Acartürk Acta cardiologica 62 (1), 13-18, 2007
Cardiac troponin T as a prognostic marker in patients with heart failure: a 3-year outcome study M Demir, M Kanadaşı, O Akpınar, Y Dönmez, M Avkaroğulları, C Alhan, … Angiology 58 (5)
Tissue Doppler is a more reliable method in early detection of cardiac dysfunction in patients with AA amyloidosis M Demir, S Paydaş, M Çaylı, O Akpınar, M Balal, E Acartürk Renal failure 27 (4)
Diastolic function predicts outcome after aortic valve replacement in patients with chronic severe aortic regurgitation M Çaylı, M Kanadaşı, O Akpınar, A Usal, H Poyrazoglu Clin Cardiol. Aug; 32(8)
Relation between age and gender differences in plasma triglyceride concentrations and coronary artery disease in Southern Turkey E Acartürk, M Çaylı, O Akpınar, G Attila, M Demir Clinica chimica acta 339 (1-2)
S-100B Levels in Stroke Patients: Is It Useful for Showing Short-term Mortality? S Satar, A Açikalin, O Akpinar, F Koc, M Sahan, M Gulen, F Icme, M Topal, … Neurosurgery Quarterly 24 (1)
Is sildenafil effective in secondary pulmonary hypertension due to systemic lupus erythematosus? A case report I Hanta, M Demir, O Akpinar, A Kocabas, S Ozbek Clinical rheumatology 24
Relationship between left ventricular geometry and left ventricular systolic and diastolic functions in patients with chronic severe aortic regurgitation M Cayli, M Kanadaşi, O Akpinar, A Usal, H Poyrazoğlu Echocardiography 25 (6)
NT-proBNP levels and QT changes in acute ischemic stroke. A Acikalin, S Satar, O Akpinar, CE Cagliyan, M Sahan, F Icme, M Gulen, … Neurology Asia 18 (1) 2013
The relation between serum erythropoietin level and severity of disease and mortality in patients with chronic heart failure M Avkaroğullari, A Bozkurt, O Akpinar, Y Dönmez, M Demirtaş Acta cardiologica 63 (3)
Acute effect of methylphenidate on QT interval duration and dispersion in children with attention deficit hyperactivity disorder TF Ilgenli, A Congologlu, C Ozturk, T Turkbay, O Akpinar, F Kilicaslan Advances in therapy 24
ST elevation in inferior derivation, coronary ectasia, and slow coronary flow following ceftriaxone use. TF İlgenli, A Açıkalın, S Türkmen, A Avcı, O Akpınar The American Journal of Emergency Medicine 30 (8)
Evaluation of the hypertensive patients in southeastern Anatolia; demographic features and target organ damage H Aksoy, R Yılmaz, MM Baş, O Akpınar Clinical and Experimental Hypertension 33 (7)
H-FABP in cases of carbon monoxide intoxication admitted to the emergency room A Açıkalın, S Satar, A Sebe, A Köse, O Akpınar Human & experimental toxicology 30 (6)
Neutrophil to lymphocyte ratio is associated with the severity of coronary artery disease in patients with ST-segment elevation myocardial infarction DY Şahin, Z Elbasan, M Gür, A Yıldız, O Akpınar, YK Icen, C Turkoglu, … Angiology 64 (6)
Left atrial appendage aneurysm presenting with recurrent embolic strokes E Acartürk, M Kanadaşi, VD Yerdelen, O Akpinar, A Özeren, ÖB Saygili The International journal of cardiovascular imaging 19
Acute-phase reactants and cytokines in ischemic stroke: do they have any relationship with short-term mortality? M Sahan, A Sebe, A Acikalin, O Akpinar, F Koc, MO Ay, M Gulen, M Topal, … European Review for Medical & Pharmacological Sciences 17 (20)
Is there any link between vitamin D deficiency and vasovagal syncope? S Usalp, H Kemal, Ü Yüksek, B Yaman, A Günsel, O Edebal, O Akpınar, … Journal of Arrhythmia 36 (2)
Is there any link between vitamin d and recurrence of atrial fibrillation after cardioversion? B Yaman, L Cerit, HK Günsel, Z Cerit, S Usalp, Ü Yüksek, U Coşkun, … Brazilian Journal of Cardiovascular Surgery 35
Increased discharge heart rate might be associated with increased short-term mortality after acute coronary syndrome U Yuksek, L Cerit, B Yaman, H Kemal, İ Etikan, O Akpınar, H Duygu Acta Cardiologica 78 (1)
‘Natural Conduit’between two atria associated with atrial septal defect M Kanadaşı, N Özbarlas, M Demirtaş, A Usal, O Akpınar The International Journal of Cardiovascular Imaging 21
Assessment of Left Ventricular Diastolic Dysfunction with a New Method: Tissue Doppler Imaging M Çaylı, A Usal, M Kanadaşı, M Demir, O Akpınar Archives of the Turkish Society of Cardiology 32 (9)
Arrhythmogenic right ventricular cardiomyopathy in 2 brothers M Kanadaşı, A Tasal, O Akpınar, F Tercan, E Acartürk Journal of Electrocardiology 40 (4), S26, 2007
Is there a difference between aortic and brachial vein blood lipoprotein and total cholesterol levels? U Yuksek, L Cerit, B Yaman, S Usalp, E Ceylan, OH Edebal, O Akpinar, … Revista da Associação Médica Brasileira 69
Improvement of abnormal systolic motion of the interventricular septum with cardiac resynchronization therapy B Yaman, HS Kemal, Y Dönmez, L Cerit, S Usalp, Ü Yüksek, A Günsel, … Pacing and Clinical Electrophysiology 42 (9)
Anomalous origin of the right coronary artery from the left sinus Valsalva with coronary ectasia N Söylemez, R Demirbağ, T Hazırolan, O Akpınar International Journal of Clinical Medicine 2 (03)
Effects of lisinopril, atenolol, and isosorbide 5-mononitrate on angina pectoris and QT dispersion in patients with syndrome X: An open-label, randomized, crossover study M Kanadaşi, M Demir, M Demirtaş, O Akpinar, CC Alhan Current therapeutic research 63 (4)
Monomorphic ventricular tachycardia during the ajmaline test O Akpınar, K Kurt, M Kanadaşı Türk Kardiyoloji Derneği Arşivi 41 (6)
ST elevation in AVR could be a sign of the left main coronary artery lesion O Akpinar, M Kanadaşi, A Açikalin, E Acartürk The Anatolian Journal of Cardiology 2 (4)
Cut-off values of BNP and NT-BNP for diagnosis of heart failure in emergency service O Akpinar, M Canadasi, TF Ilgenli The Anatolian Journal of Cardiology 6 (4)
Pregnancy and heart valve disease O Akpinar The Anatolian Journal of Cardiology 9
The levels of the leptin and adiponectin according to body mass index and their relationship with oxidative parameters N Soylemez, R Demirbag, Y Sezen, A Yildiz, O Akpinar The Anatolian Journal of Cardiology 10
The levels of the leptin and adiponectin according to body mass index and their relationship with oxidative parameters N Söylemez, R Demirbağ, Y Sezen, A Yıldız, O Akpınar Anatolian Journal of Cardiology 10 (5) 2010
Different clinical presentations of arrhythmogenic right ventricular cardiomyopathy in two brothers M Kanadasi, A Tasal, O Akpinar, F Tercan, E Acartürk The Anatolian Journal of Cardiology 8 (5)
Progression of Inflammatory Biomarkers Early after Cardiovascular Implantable Electronic Device Placement K Gülşen, L Cerit, B Ayça, H Kemal, C Conkbayır, F Özkalaycı, O Akpınar, … Kocaeli Üniversitesi Sağlık Bilimleri Dergisi 6 (2)
Protein supplementation improves left ventricular systolic functions in athletes by 2D speckle tracking echocardiography B Yaman, H Kemal Gunsel, L Cerit, E Acikgoz, S Usalp, Ü Yuksek, … European Heart Journal-Cardiovascular Imaging 21 (Supplement_1)
Relationship between vitamin D deficiency and coronary tortuosity severity L Cerit, K Gulsen, A Gunsel, M Uncu, Z Cerit, O Akpinar, H Duygu Gazzetta Medica Italiana Archivio per le Scienze Mediche 176 (9), 455-460, 2017
A case of coronary microfistula: A newborn microfistula L Cerit, K Gulsen, H Kemal, O Akpınar Indian Heart Journal 68 (2), 192, 2016
Vasospastic angina: nocturnal chest pain, eosinophilia and delayed diagnosis N Söylemez, R Yilmaz, H Aksoy, TF İlgenli, O Akpinar The Anatolian Journal of Cardiology 9 (6), 512, 2009
What do guidelines say we should do in patients with ST elevation myocardial infarction? O Akpınar, A Açıkalın, N Rana Dişel, Ç Emre Çağlıyan Journal of Academic Emergency Medicine 13 (4), 2014
Relationship between serum neuron specific enolase levels and brain injury in patients with hyponatremia S Matyar, A Açıkalın, R Dişel, OG Ozturk, G Dağlıoğlu, O Akpınar Cukurova Medical Journal 47 (3)
The Effect of Mitral Stenosis on Maternal and Fetal Outcome in Pregnancy Ş Demir, A Bozkurt, O Akpinar, S Buyukkurt, O Akkus J Clin Exp Cardiolog 4 (237)
Aortic dissection: Two years clinical experience of patients diagnosed with aortic disection in an university emergency department A Açıkalaın, S Satar, O Akpınar, G Kuvandık, A Sarı, M Kanadaşı, H Yalnız Türkiye Acil Tıp Dergisi 5 (1)
Does protein adding to diet affect sportsmen’s cardiovascular system? S Usalp, HS Kemal, O Akpınar, L Cerit, H Duygu Cukurova Medical Journal 45 (4)
Uniform criteria for diagnosing noncompaction by cMRI and echocardiography are warranted (Authors Reply) K Gülşen, L Cerit, B Özcem, O Akapınar The Anatolian Journal of Cardiology 15 (11)
New alternatives to the standard Doppler method in measuring transmitral pressure gradient M Demir, O Akpınar, M Kanadaşı, E Acartürk Archives of the Turkish Society of Cardiology 35 (3)
Are the Parameters of Inflammation a Measure of Success of Thrombolytic Treatment in Acute Myocardial Infarction? M Demir, M Kanadaşı, O Akpınar, M Koç, M Avkaroğulları, … Archives of the Turkish Society of Cardiology 32 (9)
Evaluation of tachyarrhythmia frequency in patients with mild mitral stenosis in sinus rhythm Ş Demir, A Ateş, O Akpınar, A Bozkurt MN Cardiology 21 (2)
Aortic dissection: Two-year clinical experience in patients presenting to a university hospital emergency department A Açıkalın, S Satar, O Akpınar, G Kuvandık, A Sarı, M Canadaşı, H Yalnız Turkish Emergency Medicine Journal 5 (1) 2005
Heart Rate Variability and Cerebrovascular Events S Usualp, B Taşin, HS Kemal, B Yaman, O Akpınar, L Cerit, … Harran University Medical Faculty Journal 17 (3)
A new method for the evaluation of left ventricular diastolic function: tissue Doppler echocardiography M Çaylı, A Usal, M Canadaşı, M Demir, O Akpinar Turkish Cardiology Association Archives 32 (9)
Successful Covered Stent Implantation in Iatrogenic Coronary Perforation Developing After Primary Percutaneous Coronary Intervention Y Kaya, N Söylemez, O Akpinar Koşuyolu Heart Journal 15 (1)
Stress hyperglycemia detected in the emergency department in acute myocardial infarction indicates early mortality S Satar, A Sebe, A Açıkalın, A Avcı, O Akapinar Çukurova University Medical Faculty Journal 29 (3)
Prof. Dr. Halil Başel is a highly experienced cardiovascular and thoracic surgeon affiliated with Lokman Hekim University Hospital in Ankara, Turkey. With decades of expertise, he specializes in complex cardiovascular surgeries, thoracic procedures, and vascular interventions. He has contributed extensively to medical literature, presenting at numerous national and international congresses, particularly in areas like minimally invasive cardiovascular techniques, management of aneurysms, and advancements in thoracic surgery.
He has also been actively involved in educational and research endeavors, offering innovative approaches in heart and vascular surgeries, including treatments for valve disorders and peripheral arterial conditions.
20 top ranked Pulmonary hypertension doctors in the world are represented on this page. The list includes only verified specialists known for their experience and high success rates.
The ranking is composed according to the Bookimed patient reviews and considers the rating of hospitals where doctors practice.
Top 5 Pulmonary hypertension doctors on Bookimed.com:
The specialist’s CV contains details about the doctor’s expertise and work experience, education, scientific research, and languages spoken. Compare information on several specialists, read carefully about their experience, success rates, and methods they apply. Make sure the chosen doctor has relevant experience in the treatment of a medical issue you are looking for. Read reviews of patients who had a consultation with the chosen specialist.
Famous Pulmonary hypertension doctors have vast experience, continue education constantly, participate in professional associations and have positive feedback from patients treated.
The price for the consultation on Pulmonary hypertension varies between experts and depends on certain factors, such as:
To schedule your visit, just submit a request on Bookimed.com. Our coordinator will contact you to discuss the time and details of the appointment, so everything will go smoothly.
We can help to find the right doctors for Pulmonary hypertension if you have any difficulties with a choice. Bookimed services are free for patients ♥
Prof. Dr. Mustafa Tuncer is a distinguished cardiologist at Lokman Hekim Van Hospital with over 30 years of medical experience. Fluent in Turkish and English, he earned his medical degree from Selçuk University in 1989 and attained a professorship in cardiology at Yüzüncü Yıl University in 2014. He has held key roles in institutions like Seydisehir and Erzurum before joining Lokman Hekim in 2021. Known for his dedication to advancing cardiac care, he specializes in comprehensive cardiology services, ensuring quality patient care through his expertise and commitment to the medical field.
Duties:
1985 – 1986 Istanbul University Cardiology Institute, Department of Cardiovascular Surgery, General Practitioner
1986 – 1992, Istanbul University Cardiology Institute, Department of Cardiovascular Surgery, Assistant Professor
1993-2012 Vehbi Koç Vakfı Amerikan Hastanesi (Hospital), Department of Cardiovascular Surgery, Specialist Physician
2012-2017 İstanbul Medipol University, Department of Cardiovascular Surgery, Assistant Professor
2017 – 2019 İstinye University LIV Hospital, Department of Cardiovascular Surgery, Assoc. Prof.
2019 – 2024, Freelance Consultant Physician
2024 – Today, Istanbul Florence Nightingale Hospital, Department of Cardiovascular Surgery, Assoc. Prof.
Memberships in Scientific Organizations:
Birth Date: 22-11-1973
Place of Birth: Hatay-Turkey
Medical Faculty: Marmara University Medical Faculty(1990-1997 )
Cardiology fellowship:Istanbul University Institution of Cardiology:(1998-2003)
Associate Proffesor of cardiology: 2002
Proffessor of Cardiology:2017
Previous Positions
Istanbul University Institution of Cardiology:Fellow of cardiology 1998-2003
Cardiologist : Kastamonu Şerife Bacı State Hospital 2004-2007
Cardiologist: Istanbul Bağcılar Training and Research Hospital 2007- 2012
Associate Proffesor of cardiology: Istanbul Bağcılar Training and Research Hospital 2012-2013
Head of Cardiology Department: University of Health Sciences ,Istanbul Bağcılar Training and Research Hospital 2013-2024
Current Position
Dırector of Cardiology departemant : Medipol University Acıbadem District Hospital 2024--
Memberships :
Turkish Society of Cardiology,(Vice president and president of Scientific comitee), European Society of Cardiology, European Atherosclerosis Society, American Heart Association, American Society of Hypertension, Former president of Turcic world Cardiology Association,
Academic Interests:
Interventional Cardiology, Structural Heart Disease, Heart failure,
Education and Specialisation
1987-1993 Undergraduate Education: Ankara University Faculty of Medicine
1993-1997 Child Health and Diseases. Dr. Sami Ulus Child Health and Diseases Education and Research Hospital Specialization
2001-2005 Child Health and Diseases. Dr. Sami Ulus Child Health and Diseases Education and Research Hospital Sub-branch Specialization Education
Professional Memberships (if any)
Member of Turkish Society of Paediatric Cardiology and Cardiac Surgery, Member of
Antalya Medical Chamber
ACADEMIC DUTIES
PROFESSOR. INÖNÜ UNIVERSITY/MEDICAL FACULTY) 2015
ASSOCIATE PROFESSORİNÖNÜ UNIVERSITY/ DEPARTMENT OF INTERNAL
MEDICINE/ DEPARTMENT OF CHILD HEALTH AND DISEASES) 2010
ASSISTANT PROFESSOR INÖNÜ UNIVERSITY /FACULTY OF
MEDICINE/DEPARTMENT OF INTERNAL MEDICINE/DEPARTMENT OF CHILD
HEALTH AND DISEASES) 2005-2010
ADMINISTRATIVE DUTIES
Faculty Board Membership İnönü University Faculty of Medicine
Head of the Department: Inönü University Faculty of Medicine. Department of Child Health
and Diseases
Board Membership: Turkish Society of Paediatric Cardiology and Cardiac Surgery