CLEO - Center for Clinical Epidemiology and Outcomes Research

CLEO - Center for Clinical Epidemiology and Outcomes Research http://www.cleoresearch.org/ Kyriakou" Children's Hospitals, respectively, in Athens, Greece.

Center for Clinical Epidemiology and Outcomes (CLEO) Research was established in 2011 with the joint collaboration of the First and Second University Departments of Pediatrics of the "Aghia Sophia" and "P. & A.

Patient safety begins long before hospital admission.Vaccination, early diagnosis, responsible antibiotic use, and publi...
26/03/2026

Patient safety begins long before hospital admission.

Vaccination, early diagnosis, responsible antibiotic use, and public awareness all reduce avoidable burden on hospitals.

Infection prevention is not confined within hospital walls. It is a shared responsibility across communities, primary care, and public health.

We should always remember: stronger systems begin upstream!

Data alone does not improve care, but what actually matters is what we do with them.Surveillance becomes powerful when i...
16/03/2026

Data alone does not improve care, but what actually matters is what we do with them.

Surveillance becomes powerful when it feeds back into practice: when teams see trends, understand risks, and adapt in real time. From infection rates to hand hygiene compliance, data translate into action when they are timely, clear, and trusted.

That is how numbers become safer bedsides!

Frontline teams know where risks truly lie. Empowerment means listening, trusting, and equipping them to lead improvemen...
11/03/2026

Frontline teams know where risks truly lie. Empowerment means listening, trusting, and equipping them to lead improvement.

Change is strongest when it rises from within, as patient safety is never achieved alone. It emerges through collaboration between clinicians, administrators, educators, and public health professionals.

Shared purpose multiplies impact. Every day, healthcare professionals prevent harm that no one will ever see. That quiet work saves lives. To all who protect patients through vigilance, care, and commitment, thank you! Your impact is real, even when invisible.

HPV is often invisible. Most infections cause no immediate symptoms, and many people never realize they have been expose...
04/03/2026

HPV is often invisible. Most infections cause no immediate symptoms, and many people never realize they have been exposed. Yet its long-term consequences can occur.

What makes HPV unique is not only how common it is, but how effectively we can prevent its most serious outcomes. Vaccination interrupts transmission, protects across genders, and reduces the burden of multiple cancers long before disease ever appears.

This is prevention at its most powerful: acting early, before risk becomes reality. So that we can have one less worry, that is the theme for 2026!

At CLEO, we support HPV vaccination as a public health investment in future wellbeing. It is not only about avoiding illness, but about giving the next generation the freedom to grow without carrying a preventable risk.

For millions of people worldwide, living with a rare disease is a daily reality shaped by uncertainty, delayed diagnosis...
28/02/2026

For millions of people worldwide, living with a rare disease is a daily reality shaped by uncertainty, delayed diagnosis, and limited access to care.

Rare diseases may be individually uncommon, but together they affect entire families, health systems, and communities. Behind every diagnosis is a person navigating complex needs, and often, long journeys toward answers.

Our team at CLEO recognizes that equity in healthcare means ensuring that no patient is overlooked because their condition is rare. Strong surveillance, data, research, and collaboration are essential to shorten diagnostic pathways and improve outcomes.

Awareness is the first step. Evidence is the foundation. Compassion is what turns both into meaningful care.

On Rare Disease Day, we stand with patients, families, and professionals working to make the invisible visible and to ensure that rarity never means neglect.

The invisible impact: Some of the most meaningful results in healthcare are the ones we never see.An infection that doe...
19/02/2026

The invisible impact: Some of the most meaningful results in healthcare are the ones we never see.

An infection that does not occur, a complication that never develops or a patient who goes home sooner than expected.

Prevention works quietly. Yet its impact is profound: fewer adverse events, less antibiotic use, preserved ICU capacity, better outcomes. Infection prevention is not about adding tasks. It is about removing harm. And every prevented infection is a success story.

Through proper hygiene protocols, structured training, and evidence-based practices, 933 CLABSI infections were prevente...
17/02/2026

Through proper hygiene protocols, structured training, and evidence-based practices, 933 CLABSI infections were prevented in adults and children.

When hygiene is done right, lives are protected!

Μέσα από συστηματική εκπαίδευση και εφαρμογή τεκμηριωμένων πρακτικών για την υγιεινή των χεριών, αποφεύχθηκαν 933 λοιμώξ...
17/02/2026

Μέσα από συστηματική εκπαίδευση και εφαρμογή τεκμηριωμένων πρακτικών για την υγιεινή των χεριών, αποφεύχθηκαν 933 λοιμώξεις CLABSI σε ενήλικες και παιδιά!

933 infections that never happened!Through structured infection prevention measures, 933 CLABSI infections were prevente...
12/02/2026

933 infections that never happened!

Through structured infection prevention measures, 933 CLABSI infections were prevented in adults and children, translating evidence into real patient safety.

10 hospitals trained and safer!Ten hospitals across the country have already been trained and are implementing enhanced ...
09/02/2026

10 hospitals trained and safer!

Ten hospitals across the country have already been trained and are implementing enhanced infection prevention protocols.

Through structured education, surveillance, and evidence-based interventions, safer care environments are being created for both patients and healthcare
professionals.

Hand hygiene remains the cornerstone of infection prevention!Compliance increased from 45% before the intervention to ov...
05/02/2026

Hand hygiene remains the cornerstone of infection prevention!

Compliance increased from 45% before the intervention to over 61% after implementation, proving that training and feedback change everyday practice!

Every cancer journey is differen and every patient’s story is unique. Yet we are united by a shared goal: better prevent...
04/02/2026

Every cancer journey is differen and every patient’s story is unique. Yet we are united by a shared goal: better prevention, better care, and better outcomes for all.

On World Cancer Day, this year’s theme, United by Unique, reminds us that cancer care must be both personal and collective. Personal, because each individual experiences the disease differently. Collective, because progress depends on strong health systems, equitable access, and evidence-based public health action.

Today, we stand with patients, families, and healthcare professionals worldwide. United by science. United by prevention. United by the understanding that every life matters.

Address

Grigoriou Xenopoulou 9
Neo Psychiko
15451

Opening Hours

Monday 09:00 - 17:00
Tuesday 09:00 - 17:00
Wednesday 09:00 - 17:00
Thursday 09:00 - 17:00
Friday 09:00 - 17:00

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CLEO Κέντρο Κλινικής Επιδημιλογίας και Έκβασης Νοσημάτων

Το Κέντρο Κλινικής Επιδημιολογίας και Έκβασης Νοσημάτων (CLEO) ιδρύθηκε το 2011 υπό την αιγίδα της Α’ & Β’ Πανεπιστημιακής Παιδιατρικής Κλινικής της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών, με δωρεά του Ιδρύματος «Σταύρος Νιάρχος». Το όραμα του CLEO ήταν η βελτίωση της ασφάλειας των ασθενών και της ποιότητας των παρεχόμενων υπηρεσιών υγείας στα ελληνικά νοσοκομεία με έμφαση στην πρόληψη των νοσοκομειακών λοιμώξεων και στην ορθολογική χρήση των αντιβιοτικών. Από τον Οκτώβριο του 2014 το CLEO λειτουργεί ως Αστική μη Κερδοσκοπική Εταιρία.

Από τον Ιούλιο του 2012 έως τον Δεκέμβριο του 2015, οι δράσεις του CLEO στόχευαν στην πρόληψη των νοσοκομειακών λοιμώξεων και στην ορθή χρήση των αντιβιοτικών στα δύο Γενικά Νοσοκομεία Παίδων της Αθήνας, «Η Αγία Σοφία» και «Παναγιώτη και Αγλαΐας Κυριακού». Πιο συγκεκριμένα, επικεντρώθηκαν στο σχεδιασμό και την εφαρμογή εκπαιδευτικών παρεμβάσεων για τη διάδοση των κατάλληλων πρακτικών με στόχο τη βελτίωση της ποιότητας των παρεχόμενων υπηρεσιών υγείας και την υιοθέτηση διεθνώς καθιερωμένων κατευθυντήριων οδηγιών στην καθημερινή κλινική πράξη. Η ερευνητική ομάδα του CLEO συνεργάστηκε με εξειδικευμένο διδακτικό, ερευνητικό, ιατρονοσηλευτικό και διοικητικό προσωπικό, από την Ελλάδα και το εξωτερικό, για να σχεδιάσει και να αναπτύξει αυτές τις παρεμβάσεις, να τις εφαρμόσει και να εκτιμήσει την αποτελεσματικότητά τους.

Τα ενθαρρυντικά αποτελέσματα του προγράμματος παρείχαν αισιοδοξία για τη δυνατότητα ελέγχου και πρόληψης των νοσοκομειακών λοιμώξεων και κατ’ επέκταση της έκβασης της υγείας των ασθενών. Η αυξανόμενη πεποίθηση ότι οι νοσοκομειακές λοιμώξεις μπορούν να προληφθούν σε ένα μεγάλο ποσοστό, έχει εγείρει το ενδιαφέρον αρκετών μονάδων υγείας, οι οποίες επιθυμούν να συμμετάσχουν στην επέκταση του προγράμματος. Από τον Ιανουάριο του 2016, το CLEO διευρύνει τα πεδία δράσης του, τόσο στα νοσηλευόμενα παιδιά όσο και στους νοσηλευόμενους ενήλικες σε όλη την Ελλάδα. Στα πεδία δράσης του εντάσσονται:


  • Η επιτήρηση και η πρόληψη των πιο συχνών νοσοκομειακών λοιμώξεων.