Nikolaos Kelekis - Publications, H-index & Citations

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Nikolaos Kelekis

university hospital attikon

42H-index

348Paper Count

6.6KCitation Count

Published Papers 66

Publication Date

Improvement in Cardiac Magnetic Resonance Parameters in Patients with Cardiac Light-Chain Amyloidosis Receiving Anti-Clonal Cell Therapy

Clinical Lymphoma Myeloma and Leukemia

IF2.7

2026-01-12

PREAI

Alexandros Briasoulis; Niki Lama; Angelos Soranidis; Georgios Georgiopoulos; Rafail Patras; Foteini Theodorakakou; Nikolaos-Iason Tepetes; Meletios Athanasios Dimopoulos; Nikolaos Kelekis; Kimon Stamatelopoulos; Efstathios Kastritis

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Ultra-Hypofractionated Radiotherapy Plus Boost for T1-2 Breast Cancer Patients: Early Results of a Prospective Study Based on the Fast-Forward Scheme

European Journal of Breast Health

IF0

2026-01-01

PREAI

Kypraiou, Efrosyni; Koukourakis, Ioannis M.; Platoni, Kalliopi; Patatoukas, George; Kollaros, Nikolaos; Efstathopoulos, Efstathios; Kelekis, Nikolaos; Zygogianni, Anna; Kouloulias, Vassilis

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Longitudinal changes of cardiac magnetic resonance parameters in patients with cardiac light-chain amyloidosis receiving anti-plasma cell therapy

European Heart Journal

IF35.6

2025-11-05

OAAI

A Briasoulis; D Bampatsias; N Lama; F Theodorakakou; N Tepetes; R Patras; M A Dimopoulos; K Kastritis; N Kelekis; K Stamatelopoulos

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Editorial for Altered Myocardial Oxygenation and Impaired Energy Efficiency: A Pilot Study in Patients With Light Chain Cardiac Amyloidosis

JOURNAL OF MAGNETIC RESONANCE IMAGING

IF3.5

2025-11-01

PREAI

Efthymiou, Evgenia; Kelekis, Nikolaos L.

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Percutaneous Cryoneurolysis of Splanchnic Nerves for Pain Palliation in Patients with Pancreatic Cancer: A Single-Center Experience

CardioVascular and Interventional Radiology

IF2.9

2025-08-05

PREAI

David-Dimitris Chlorogiannis; Ioannis Kotsantis; Panagiota Economopoulou; Anastasios Kyriazoglou; Stavros Spiliopoulos; Nikolaos Kelekis; Dimitris K. Filippiadis

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The Role of Radiomic Analysis and Different Machine Learning Models in Prostate Cancer Diagnosis

imaging

IF0

2025-08-04

OAAI

Eleni Bekou; Ioannis Seimenis; Athanasios Tsochatzis; Karafyllia Tziagkana; Nikolaos Kelekis; Savas Deftereos; Nikolaos Courcoutsakis; Michael I. Koukourakis; Efstratios Karavasilis

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Editorial for MRI Signs Associated With Bladder Injury During Cesarean Delivery in Severe Placenta Accreta Spectrum Disorders

JOURNAL OF MAGNETIC RESONANCE IMAGING

IF3.5

2025-01-09

PREAI

Efthymiou, Evgenia; Kelekis, Nikolaos L.

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MR Imaging of Hemosiderin Deposition in the Ankle Joints of Patients with Haemophilia: The Contribution of a Multi-Echo Gradient-Echo Sequence-Correlation with Osteochondral Changes and the Number and Chronicity of Joint Bleeds

LIFE-BASEL

IF3.4

2024-09-04

OAAI

Papakonstantinou, Olympia; Karavasilis, Efstratios; Martzoukos, Epaminondas; Velonakis, Georgios; Kelekis, Nikolaos; Pergantou, Helen

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A Magnetic Resonance Spectroscopy Study on Polarity Subphenotypes in Bipolar Disorder

DIAGNOSTICS

IF3.3

2024-05-31

OAAI

Argyropoulos, Georgios D.; Christidi, Foteini; Karavasilis, Efstratios; Bede, Peter; Velonakis, Georgios; Antoniou, Anastasia; Seimenis, Ioannis; Kelekis, Nikolaos; Smyrnis, Nikolaos; Papakonstantinou, Olympia; Efstathopoulos, Efstathios; Ferentinos, Panagiotis

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Editorial for Peritumoral MRI Radiomics Features Increase the Evaluation Efficiency for Response to Chemotherapy in Patients With Epithelial Ovarian Cancer

JOURNAL OF MAGNETIC RESONANCE IMAGING

IF3.5

2024-04-10

PREAI

Efthymiou, Evgenia; Kelekis, Nikolaos L.

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Brain multi-contrast, multi-atlas segmentation of diffusion tensor imaging and ensemble learning automatically diagnose late-life depression

SCIENTIFIC REPORTS

IF3.9

2023-12-20

OAAI

Siarkos, Kostas; Karavasilis, Efstratios; Velonakis, Georgios; Papageorgiou, Charalabos; Smyrnis, Nikolaos; Kelekis, Nikolaos; Politis, Antonios

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CURRENT PROBLEMS IN CARDIOLOGY

IF3.3

2023-08-01

PREAI

Zachos, Panagiotis A.; Milaras, Nikias; Nevras, Vasilios; Theodosis-Georgilas, Anastasios; Lama, Niki; Kelekis, Nikolaos L.; Ikonomidis, Ignatios; Niakas, Dimitrios

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Editorial for Deep Learning Nomogram for the Identification of Deep Stromal Invasion in Patients With Early-Stage Cervical Adenocarcinoma and Adenosquamous Carcinoma: A Multicenter Study

JOURNAL OF MAGNETIC RESONANCE IMAGING

IF3.5

2023-07-06

PREAI

Arkoudis, Nikolaos-Achilleas; Kelekis, Nikolaos L.

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Intradiscal Gelified Ethanol Nucleolysis versus Endoscopic Surgery for Lumbar Disc Herniation Radiculopathy

DIAGNOSTICS

IF3.3

2023-06-25

OAAI

Gogos, Christos; Filippiadis, Dimitrios K.; Velonakis, Georgios; Kelekis, Nikolaos; Papagelopoulos, Panayiotis; Kelekis, Alexis

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Diagnostic and Prognostic Value of Non-late Gadolinium Enhancement Cardiac Magnetic Resonance Parameters in Cardiac Amyloidosis

CURRENT PROBLEMS IN CARDIOLOGY

IF3.3

2023-04-01

PREAI

Briasoulis, Alexandros; Lama, Niki; Rempakos, Athanasios; Theodorakakou, Foteini; Stamatelopoulos, Kimon; Dimopoulos, Meletios Athanasios; Kelekis, Nikolaos; Kastritis, Efstathios

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Predominant polarity as a neurobiological specifier in bipolar disorder: Evidence from a multimodal neuroimaging study

PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY

IF3.9

2023-04-01

PREAI

Argyropoulos, Georgios D.; Christidi, Foteini; Karavasilis, Efstratios; Bede, Peter; Antoniou, Anastasia; Velonakis, Georgios; Seimenis, Ioannis; Kelekis, Nikolaos; Smyrnis, Nikolaos; Papakonstantinou, Olympia; Efstathopoulos, Efstathios; Ferentinos, Panagiotis

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Outcomes for patients with systemic light chain amyloidosis and Mayo stage 3B disease

HEMATOLOGICAL ONCOLOGY

IF3.9

2023-03-27

PREAI

Theodorakakou, Foteini; Briasoulis, Alexandros; Fotiou, Despina; Petropoulos, Ioannis; Georgiopoulos, Georgios; Lama, Niki; Kelekis, Nikolaos; Repasos, Evangelos; Migkou, Magdalini; Stamatelopoulos, Kimon; Dimopoulos, Meletios A.; Kastritis, Efstathios

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Specific disruption of the ventral anterior temporo-frontal network reveals key implications for language comprehension and cognition

COMMUNICATIONS BIOLOGY

IF5.1

2022-10-10

OAAI

Kourtidou, Evie; Kasselimis, Dimitrios; Angelopoulou, Georgia; Karavasilis, Efstratios; Velonakis, Georgios; Kelekis, Nikolaos; Zalonis, Ioannis; Evdokimidis, Ioannis; Potagas, Constantin; Petrides, Michael

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The utility of splenic imaging parameters in cardiac magnetic resonance for the diagnosis of immunoglobulin light-chain amyloidosis

INSIGHTS INTO IMAGING

IF4.5

2022-03-26

OAAI

Lama, Niki; Briasoulis, Alexandros; Karavasilis, Efstratios; Stamatelopoulos, Kimon; Chasouraki, Angeliki; Alexopoulou, Efthymia; Spiliopoulos, Stavros; Theodorakakou, Foteini; Dimopoulos, Meletios Athanasios; Kastritis, Efstathios; Kelekis, Nikolaos L.

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Peripheral blood natural killer cells in sarcoidosis are associated with early cardiac involvement

EUROPEAN JOURNAL OF CLINICAL INVESTIGATION

IF3.6

2022-01-17

PREAI

Vakrakou, Aigli G.; Kolilekas, Lykourgos; Lama, Niki; Katsanos, Spiros; Stratakos, Grigorios; Tsougos, Ilias; Manali, Effrosyni; Grigoriou, Eirini; Psarra, Katherina; Kilidireas, Constantinos; Papiris, Spiros; Kelekis, Nikolaos L.; Gialafos, Elias J.

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Research Directions