Markos Koukos

Dr. Markos Koukos

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Research Focus & Metrics

Academic Career Length

3Years (2024-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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25 January 2024 in Life
Verified
Journal Article
Open access
PDF file
YDYannis Dimitroglou
Yannis Dimitroglou
CAConstantina Aggeli
Constantina Aggeli
AAAlexandra Alexopoulou
Alexandra Alexopoulou
DTDimitrios N. Tsartsalis
Dimitrios N. Tsartsalis
DPDimitrios Patsourakos
Dimitrios Patsourakos
KTKonstantinos Tsioufis
Konstantinos Tsioufis
Cirrhotic cardiomyopathy (CCM) is characterized by elevated cardiac output at rest, an inability to further increase contractility under stress, and diastolic dysfunction. The diagnosis of CCM is crucial as it can lead to complications during liver transplantation. However, its recognition poses challenges with conventional echocardiography techniques. Speckle tracking echocardiography (STE), particularly global longitudinal strain (GLS), is a novel index that enhances the diagnostic efficacy of echocardiography for both ischemic and non-ischemic cardiomyopathies. GLS proves more sensitive in identifying early systolic dysfunction and is also influenced by advanced diastolic dysfunction. Consequently, there is an expanding scope for GLS utilization in cirrhotic cases, with newly updated diagnostic criteria for CCM incorporating GLS. Specifically, systolic dysfunction is now defined as either a left ventricular ejection fraction below 50% or an absolute GLS below 18%. However, conflicting data on GLS alterations in liver cirrhosis patients persist, as many individuals with advanced disease and a poor prognosis exhibit a hyperdynamic state with preserved or increased GLS. Consequently, the presence of CCM, according to the updated criteria, does not exhibit a significant association—in the majority of studies—with the severity of liver disease and prognosis. Furthermore, information on other indices measured with STE, such as left atrial and right ventricular strain, is promising but currently limited. This review aims to offer a critical assessment of the existing evidence concerning the application of STE in patients with liver cirrhosis.

14 May 2024 in European Cardiology Review
Verified
Journal Article
Open access
PDF file
MKMarkos Koukos
Markos Koukos
YDYannis Dimitroglou
Yannis Dimitroglou
DTDimitrios N. Tsartsalis
Dimitrios N. Tsartsalis
EBEirini Beneki
Eirini Beneki
ETElias Tolis
Elias Tolis
KTKonstantinos Tsioufis
Konstantinos Tsioufis
Mitral regurgitation (MR) is one of the most common valvular abnormalities worldwide and can be subdivided into primary and secondary causes. Atrial MR consists of a novel type of secondary MR (SMR), most often observed in patients with AF and heart failure with preserved ejection fraction. The main pathophysiological mechanism of atrial MR is mitral valve annular dilatation. Recently published studies have highlighted the clinical significance of left atrium (LA) evaluation in the early diagnosis and prognosis of patients with primary MR. However, there are little data regarding the role of the LA in SMR. The present literature review aims to elucidate the use of the echocardiographic parameters regarding LA evaluation in the prognosis prediction and therapeutic strategy of patients with SMR.

9 July 2026 in Biomedicines
Verified
Journal Article
Open access
PDF file
AKArgyro Kalompatsou
Argyro Kalompatsou
Dimitris TousoulisDimitris Tousoulis
Dimitris Tousoulis
CVCharilila-Loukia Ververeli
Charilila-Loukia Ververeli
IKIoannis Kachrimanidis
Ioannis Kachrimanidis
YDYannis Dimitroglou
Yannis Dimitroglou
CAConstantina Aggeli
Constantina Aggeli
Background: Mitral regurgitation (MR) is one of the most prevalent valvular heart diseases, with a rising global incidence. The 2025 European Society of Cardiology (ESC) guidelines introduced updated pathophysiological and morphological concepts for secondary MR, distinguishing ventricular and atrial mechanisms. Concurrent advances in cardiovascular imaging and therapeutic technologies have transformed the diagnostic and management landscape of MR. Methods: This review summarizes current evidence on the diagnosis and treatment of MR, with a focus on the updated ESC classification, multimodality cardiovascular imaging, minimally invasive surgical techniques, and contemporary transcatheter repair strategies. Recent literature was evaluated to highlight advances in anatomical assessment and individualized therapeutic approaches. Results: Multimodality imaging provides comprehensive evaluation of mitral valve anatomy, ventricular remodeling, and disease mechanisms, enabling accurate patient selection and procedural planning. Surgical management has evolved from conventional repair or replacement to minimally invasive approaches, including video-assisted right thoracotomy and robotic-assisted surgery, which have demonstrated favorable perioperative and clinical outcomes. In parallel, transcatheter interventions have expanded the therapeutic armamentarium for patients at high surgical risk or with complex anatomy. These include direct and indirect annuloplasty, transcatheter edge-to-edge repair, and emerging catheter-based repair technologies targeting specific structural abnormalities of the mitral valve apparatus. Conclusions: Contemporary management of MR requires an integrated understanding of disease pathophysiology, advanced imaging, and patient-specific anatomical characteristics. The combination of minimally invasive surgical techniques and rapidly evolving transcatheter interventions has broadened treatment options and supports a tailored, multidisciplinary approach to improve clinical outcomes and expand access to effective therapy for patients with severe MR.

19 October 2026 in Hellenic Journal of Cardiology
Verified
Journal Article
Open access
MKMarkos Koukos
Markos Koukos
YDYannis Dimitroglou
Yannis Dimitroglou
DTDimitrios N. Tsartsalis
Dimitrios N. Tsartsalis
CFCHRISTOS FRAGOULIS
CHRISTOS FRAGOULIS
CVCharilila-Loukia Ververeli
Charilila-Loukia Ververeli
CAConstantina Aggeli
Constantina Aggeli