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Alexandros Kalkanis

university hospitals leuven

12H-index
73Paper Count
623Citation Count
Published Papers 33
Publication Date
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Morning Headaches as a Specific Obstructive Sleep Apnea Characteristic in a Large Sleep Clinic Population
errLife-Basel
IF3.4
err2026-07-29
err0
errOAAI
errAliki Karkala; Alexandros Kalkanis; Serafeim-Chrysovalantis Kotoulas; Şakir Kaan Çetindağ; Dries Testelmans; Vasileios Paraschou; Dionisios Spyratos; Dimitrios G. Raptis; Paschalis Steiropoulos; Athanasia Pataka
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Anthropometric indices with high sensitivity for moderate-to-severe obstructive sleep Apnea: A sex-stratified diagnostic accuracy study based on the ESADA cohort
errSleep Medicine
IF3.4
err2026-07-04
err0
PREAI
errAlexandros Kalkanis; Dimitrios Papadopoulos; Athanasia Pataka; Johan Verbraecken; Sophia Schiza; Tarja Saaresanta; Ding Zou; Marta Drummond; Özen K. Başoğlu; Paschalis Steiropoulos; Maria R. Bonsignore; Sébastien Bailly; Ludger Grote; Dries Testelmans
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Sleep disturbances and respiratory dysfunction in amyotrophic lateral sclerosis
errAmyotrophic Lateral Sclerosis and Frontotemporal Degeneration
IF2.8
err2026-05-29
err0
PREAI
errKato Bracaval; Joke De Vocht; Fouke Ombelet; Laura Van Den Bulcke; Anne-Marie Peeters; Boris Deleu; Bart Vrijsen; Alexandros Kalkanis; Bertien Buyse; Dries Testelmans; Maarten Van Den Bossche; Philip Van Damme
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Lung ultrasound for the detection of radiological progression of interstitial lung abnormalities in patients with rheumatoid arthritis
errArthritis & Rheumatology
IF10.9
err2026-04-03
err0
PREAI
errMarie Vermant MD PhD; Valerie Van Ballaer MD; Joseph Jacob MD PhD; Tine Follet MD; Ryoko Egashira MD PhD; Kenny Anseele MD; Heleen Cypers MD; Laurens J. De Sadeleer MD PhD; Nico De Crem MD; Tinne Goos MD PhD; Barbara Neerinckx MD PhD; Veerle Taelman MD; Nathalie Veyt MD; Alexandros Kalkanis MD PhD; Patrick Verschueren MD PhD; Wim A. Wuyts MD PhD
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Beyond mean and maximum CO₂: introducing hypercapnic burden as a marker of sleep-related hypoventilation
errInternational Journal of Obesity
IF3.8
err2026-04-01
err0
PREAI
errAlexandros Kalkanis; Mavroudis Eleftheriou; Aliki Karkala; Bertien Buyse; Dries Testelmans
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errSave
The Natural History of Obstructive Sleep Apnea: A Scoping Review
errHealthcare
IF2.7
err2026-01-27
err0
PREAI
errKalkanis, Alexandros; Panou, Theodoros; Archontogeorgis, Kostas; Steiropoulos, Paschalis
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Sleep regularity as an important component of sleep hygiene: a systematic review
errSleep Medicine Reviews
IF9.7
err2025-11-17
err0
PREAI
errAlexandros Kalkanis; Dierik Lenkens; Paschalis Steiropoulos; Dries Testelmans
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IMAGES: A disorder-specific CPAP adherence pattern
errJOURNAL OF CLINICAL SLEEP MEDICINE
IF2.9
err2025-11-01
err0
PREAI
errPeeters, Arne; Horckmans, Simon; Testelmans, Dries; Buyse, Bertien; Kalkanis, Alexandros
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Change in respiratory outcomes in adults with Duchenne muscular dystrophy in the era of corticosteroids
errJournal of Neuromuscular Diseases
IF3.4
err2025-10-14
err0
errOAAI
errBertien Buyse; Dries Testelmans; Alexandros Kalkanis; Mieke Boon; Liesbeth De Waele; Kristl G Claeys
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errSave
Newly Onset Dyspnea During Pregnancy
errCHEST
IF8.6
err2025-10-08
err0
errOAAI
errMarie Vermant; Valerie Van Ballaer; Tine Follet; Eveline Claeys; Samuel De Bontridder; Nico De Crem; Adriana Dubbeldam; Alexandros Kalkanis; Laurens J. De Sadeleer; Ellen De Langhe; Wim A. Wuyts
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Knowledge and attitudes of post-graduate dental students in Greece towards sleep disorders: A questionnaire-based study
errCRANIO-THE JOURNAL OF CRANIOMANDIBULAR & SLEEP PRACTICE
IF1.9
err2025-09-01
err0
PREAI
errApessos, Ioulianos; Voulgaris, Athanasios; Lillis, Theodoros; Andreadis, Dimitrios; Tortopidis, Dimitrios; Dabarakis, Nikolaos; Kalkanis, Alexandros; Steiropoulos, Paschalis
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The role of non-respiratory arousals in residual daytime sleepiness in patients with obstructive sleep apnea treated with positive airway pressure: An analysis of the European Sleep Apnea Database registry
errSLEEP MEDICINE
IF3.4
err2025-03-01
err1
PREAI
errKalkanis, Alexandros; Papadopoulos, Dimitrios; Schiza, Sophia; Hein, Holger; Pataka, Athanasia; Riha, Renata; Fanfulla, Francesco; Gouveris, Haralampos; Buskova, Jitka; Mihaicuta, Stefan; Randerath, Winfried; Pepin, Jean-Louis; Grote, Ludger; Testelmans, Dries
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Hypercapnic burden: A new method for evaluation of nighttime hypercapnia in patients with OHS
errRESPIRATORY MEDICINE
IF3.1
err2025-02-01
err0
PREAI
errKalkanis, A.; Eleftheriou, M.; Demolder, S.; Borzee, P.; Parsons, B.; Buyse, B.; Testelmans, D.
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errSave
Respiratory muscle dysfunction in acute and chronic respiratory failure: how to diagnose and how to treat?
errEUROPEAN RESPIRATORY REVIEW
IF10.4
err2024-12-04
err1
errOAAI
errPoddighe, Diego; Van Hollebeke, Marine; Rodrigues, Antenor; Hermans, Greet; Testelmans, Dries; Kalkanis, Alexandros; Clerckx, Beatrix; Gayan-Ramirez, Ghislaine; Gosselink, Rik; Langer, Daniel
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Thoracic ultrasound to detect interstitial lung disease associated with rheumatoid arthritis: comparing three protocols
errEUROPEAN RESPIRATORY JOURNAL
IF21
err2024-10-30
err0
PREAI
errVermant, Marie; Kalkanis, Alexandros; Jacob, Joseph; Goos, Tinne; Cortesi, Emanuela Elsa; Cypers, Heleen; De Crem, Nico; Gogaert, Stefan; Neerinckx, Barbara; Taelman, Veerle; Veyt, Nathalie; De Sadeleer, Laurens J.; Verschueren, Patrick; Wuyts, Wim A.
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errSave
Effect of non-respiratory arousals on residual sleepiness in CPAP-treated OSA patients
errEUROPEAN RESPIRATORY JOURNAL
IF21
err2024-10-30
err0
PREAI
errKalkanis, Alexandros; Papadopoulos, Dimitrios; Schiza, Sofia; Hein, Holger; Randerath, Winfried; Pepin, Jean-Louis; Grote, Ludger; Testelmans, Dries
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Effect of Bronchoscopic lung volume reduction on Diaphragmatic Contraction in Patients with severe Emphysema
errEUROPEAN RESPIRATORY JOURNAL
IF21
err2024-10-30
err0
PREAI
errLormans, Maud; Kalkanis, Alexandros; Testelmans, Dries; Vermant, Marie; Geysen, Hannelore; Papadopoulos, Dimitrios; Buyse, Bertien; Janssens, Wim; Everaerts, Stephanie; Lormans, Maud
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EXPLORING POTENTIAL SCREENING TOOLS FOR INTERSTITIAL LUNG DISEASE IN RHEUMATOID ARTHRITIS
errANNALS OF THE RHEUMATIC DISEASES
IF20.6
err2024-06-01
err0
PREAI
errVermant, M.; Kalkanis, A.; Jacob, J.; Goos, T.; Cortesi, E. E.; Cypers, H.; De Crem, N.; Gogaert, S.; Neerinckx, B.; Taelman, V.; Veyt, N.; De Sadeleer, L.; Verschueren, P.; Wuyts, W.
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Catathrenia in severe obstructive sleep apnea: A novel entity never described before
errSLEEP MEDICINE
IF3.4
err2023-12-01
err3
PREAI
errBuyse, Bertien; Kalkanis, Alexandros; Testelmans, Dries
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errSave
Ultrasonographic Presentation and Anatomic Distribution of Lung Involvement in Patients with Rheumatoid Arthritis
errDIAGNOSTICS
IF3.3
err2023-09-18
err1
errOAAI
errVermant, Marie; Kalkanis, Alexandros; Goos, Tinne; Cypers, Heleen; De Crem, Nico; Neerinckx, Barbara; Taelman, Veerle; Verschueren, Patrick; Wuyts, Wim A.
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Research Directions

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Co-authors
Cooperation Journals
J
Jean‐Louis Pépin
H-index: 106 · Papers: 1.9K
R
Rik Gosselink
H-index: 80 · Papers: 486
M
Marc A. Judson
H-index: 79 · Papers: 461
W
Wim Janssens
H-index: 67 · Papers: 710
W
Wim Wuyts
H-index: 59 · Papers: 787
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