Dr. Gatt studies the intersections of physical health, mental disorders, and innovative surgical techniques. He investigates how young people with mental health issues, such as personality or behavioral disorders, can engage more in physical activity and the barriers they face, like limited mental health support. In the realm of orthopaedic surgery, he develops educational programs for medical students to increase their skills and interest in the field. His research also examines advanced imaging techniques for analyzing cancer cells and the effects of space travel on astronaut health.
Key findings
In a study of young people with mental disorders, 57% were active in sports, with males participating nearly twice as much as females.
A summer program for medical students improved their knowledge in orthopaedic surgery from an average score of 4 out of 10 to 8 out of 10.
The multiplex-qPCR method identified bacteria in 90% of pleural empyema samples, a significant improvement over the 24% success rate of traditional culture methods.
Patients undergoing rotator cuff repair with platelet-rich plasma (PRP) had a retear rate of 19.3%, while those without PRP had a rate of 25.4%; pure PRP showed even better results at 9.2%.
Neutrophils were shown to both aid in fighting cancer and potentially promote its growth, highlighting their complex role in health and disease.
Frequently asked questions
Does Dr. Gatt study mental health conditions?
Yes, he studies the physical activity levels and barriers faced by young people with mental disorders.
What techniques has Dr. Gatt researched in orthopaedic surgery?
He has researched various surgical techniques, including the effectiveness of platelet-rich plasma in rotator cuff repairs and different graft methods for knee surgeries.
Is Dr. Gatt's work relevant to cancer patients?
Yes, his research explores advanced imaging techniques to better understand cancer cell behavior, which can lead to improved treatment strategies.
How does Dr. Gatt's research benefit astronauts?
His studies on microbiome changes during spaceflight aim to inform how to maintain astronaut health during missions.
What is the significance of Dr. Gatt's studies on children?
His research on pediatric pleural empyema helps physicians provide quicker and more accurate treatments for serious lung infections in children.
Publications in plain English
Integration of hyperspectral imaging and transcriptomics from individual cells with SpectralSeq.
2025
Genome research
Xie Y, Habibalahi A, Anwer AG, Wahi K, Bailey J +7 more
Plain English This study explored a new technique called SpectralSeq, which combines advanced imaging and genetic analysis on individual cells. It was tested on breast cancer cells and found that certain cells with bright rings on their surface had higher levels of genes related to cell death and lower levels of genes involved in energy production. Understanding these differences helps researchers better analyze how cancer cells behave, which is crucial for developing targeted treatments.
Who this helps: This helps cancer researchers and doctors seeking to improve treatment strategies for breast cancer patients.
Developing a Novel Orthopaedic Surgery Summer Program for Medical Students.
2025
The Journal of the American Academy of Orthopaedic Surgeons
Patel J, Aryee J, Yang J, McPartland T, Gatt C +1 more
Plain English This study looked at a summer program designed to give medical students firsthand experience in orthopaedic surgery. Results showed that participants' knowledge of important areas, like anatomy and physical examinations, significantly improved, with scores rising from 4 out of 10 to 8 out of 10 in some areas. Additionally, students' interest in pursuing a career in orthopaedic surgery went from 50% before the program to 95% after completing it.
Who this helps: This program helps medical students by increasing their knowledge, confidence, and career interest in orthopaedic surgery.
Physical Activity Levels and Barriers Among Young People with Mental Disorders: A Mixed Methods Analysis Supporting the Development of a National Sport Mental Health Clinic.
2025
Sports (Basel, Switzerland)
Vella Fondacaro D, Mansell P, Agius M, Apap Gatt K, Borg N +6 more
Plain English This study looked at how much physical activity young people with mental disorders are doing and what stops them from being more active. Of the 1,284 young people contacted, 304 completed the survey, revealing that 57% were active in sports. Males were almost twice as likely as females to participate in physical activity, and those with personality disorders were the most active, while those with disruptive behavioral issues were the least active. The barriers identified included too much screen time, not enough mental health support, and financial challenges, highlighting the need for better resources.
Who this helps: This information benefits young patients with mental health disorders and those involved in their care.
Is an oropharyngeal HPV infection more frequently detectable in women with a genital HPV infection?
2024
European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
Kofler B, Widschwendter A, Hofauer B, Gatt C, Fabel S +4 more
Plain English This study looked at whether women with genital HPV infections are more likely to also have undetected HPV infections in their throat. Out of 142 women tested, only 2 (or 1.4%) had a low-risk HPV infection in the throat, while 54 (or 38%) were positive for HPV in the genital area, with 41 (or 29%) having high-risk HPV types. These findings matter because they show that the connection between genital and oropharyngeal HPV infections may not be as strong as previously thought.
Who this helps: This helps doctors and patients by providing information about HPV risks and suggesting that throat cancers may not be as closely linked to genital HPV infections in women.
The Traffic Light System: A user-friendly alternative for gait data representation.
2024
Gait & posture
Gatt C, Gatt A, Formosa C, Sillato D, Gatt R
Plain English This study looked at a new way to show walking data called the Traffic Lights System (TLS) compared to the usual method, which involves complicated graphs. Out of 26 health professionals, 18 found the TLS easier to understand, and it showed better consistency in ratings than the traditional method, especially for those not trained in interpreting the graphs. This matters because simplifying the data can help more doctors accurately assess patients’ walking issues without needing specialized training.
Who this helps: Patients and healthcare professionals, especially those new to gait analysis.
Longitudinal multi-omics analysis of host microbiome architecture and immune responses during short-term spaceflight.
2024
Nature microbiology
Tierney BT, Kim J, Overbey EG, Ryon KA, Foox J +32 more
Plain English This study examined how the microbiome—the community of microbes living in and on our bodies—and the immune system of astronauts change during a short trip to space. Researchers collected 750 samples from four astronauts over six months, finding notable changes, such as an increase in certain viruses on the skin during the flight, while the bacteria in their mouths showed more lasting changes related to immune responses. Understanding these changes is important for keeping astronauts healthy and could inform future space missions and living conditions in space.
Who this helps: This benefits astronauts and space agencies planning for long-term space travel.
Evaluation of a multiplex-qPCR for paediatric pleural empyema-An observational study in hospitalised children.
2024
PloS one
Jacobson J, Fabri L, Osowicki J, Shanthikumar S, Costa AM +16 more
Plain English This study looked at a new testing method called multiplex-qPCR to quickly identify bacteria causing pleural empyema, a serious lung infection in kids often linked to pneumonia. The researchers found that this new method identified bacteria in 90% of samples, while traditional culture methods only found bacteria in 24% of cases. This improvement means doctors could potentially cut down on unnecessary antibiotic treatment by about 20 days for over half the patients.
Who this helps: This helps children with pleural empyema and their doctors by enabling quicker and more accurate treatment.
Neutrophils under the microscope: neutrophil dynamics in infection, inflammation, and cancer revealed using intravital imaging.
2024
Frontiers in immunology
Yam AO, Jakovija A, Gatt C, Chtanova T
Plain English This study looked at neutrophils, a type of white blood cell that responds to infections, injuries, and cancer. Researchers used a special imaging technique to see how these cells move and interact in real time, revealing that neutrophils can help fight cancer but may also promote its growth. Knowing how neutrophils behave in different situations is crucial for finding new ways to treat infections, inflammation, and cancer effectively.
Who this helps: This research benefits doctors and researchers developing treatments for patients with infections and cancer.
Viral activation and ecological restructuring characterize a microbiome axis of spaceflight-associated immune activation.
2023
Research square
Tierney BT, Kim J, Overbey EG, Ryon KA, Foox J +32 more
Plain English This study looked at how spaceflight affects the microbiome, which is the community of microorganisms living in and on our bodies. Researchers analyzed 750 samples from astronauts over six months and found that during space missions, certain viruses became more active and the balance of microbes in the body changed significantly. These changes were linked to the astronauts' immune systems, potentially affecting their health while in space.
Who this helps: This research benefits astronauts and space agencies by providing insights on how to maintain astronaut health during missions.
Social Media and the Orthopaedic Surgery Residency Application Process.
2022
Cureus
Butler A, Berke C, Zareef U, Tawfik AM, Varghese B +3 more
Plain English This study looked at how social media affects the residency application process for orthopedic surgery. About 20% of applicants and program directors responded to surveys, revealing that 69% of applicants found out about residency programs through Instagram, and 34% said social media influenced their choice of programs. This matters because it shows that social media is an important tool for residency programs to connect with potential applicants and share information about their environment and culture.
Who this helps: This helps both residency applicants and program directors by improving the way they connect and share information.
Biomechanical Comparison of Meniscal Allograft Root Fixation Techniques: Anterograde Interference Bone Plug Fixation Yields Favorable Results Compared to Transosseous Suture Fixation Alone.
2022
Arthroscopy, sports medicine, and rehabilitation
Brzezinski A, Imbergamo C, Pfaff W, Tarapore R, Nasra M +2 more
Plain English This study looked at two methods for attaching a part of the knee meniscus (the medial meniscus) in pigs, comparing interference bone plug fixation and transosseous suture fixation. It found that the interference fixation provided better support with less stretching under pressure, showing similarity to the strength of a healthy meniscus, while the suture method stretched more and was less stable. This is important because using interference fixation could lead to fewer complications and failures after knee surgeries in patients needing meniscal repair.
Who this helps: This research benefits patients undergoing knee surgeries, particularly those needing meniscus transplants.
Five-Strand Hamstring Grafts are Biomechanically Comparable to Four-Strand Grafts and Offer Greater Diameter for Anterior Cruciate Ligament Reconstruction.
2022
Arthroscopy, sports medicine, and rehabilitation
Brzezinski A, Nasra M, Pfaff W, Imbergamo C, Simon M +4 more
Plain English This study looked at the strength and size of two types of hamstring grafts used in knee surgeries: four-strand and five-strand grafts. Researchers tested 36 grafts and found that five-strand grafts had an average diameter of 9.32 mm compared to 7.96 mm for four-strand grafts, making them bigger and potentially stronger. Although the two types of grafts were similar in how much weight they could handle before breaking, the larger size of five-strand grafts could be beneficial, especially when the four-strand grafts are smaller than 8 mm.
Who this helps: This helps patients undergoing knee surgery by potentially improving the success of their grafts.
The Maleth program: Malta's first space mission discoveries on the microbiome of diabetic foot ulcers.
2022
Heliyon
Gatt C, Tierney BT, Madrigal P, Mason CE, Beheshti A +6 more
Plain English The Maleth program is Malta's first space mission that studied changes in the skin bacteria of type 2 diabetes patients with diabetic foot ulcers. Researchers analyzed samples from six patients and found valuable information about how space travel, microgravity, and radiation affected these samples. This is important because it could lead to better understanding and treatment for patients dealing with diabetic foot ulcers.
Who this helps: This helps patients with diabetes and healthcare providers treating them.
Platelet-Rich Product Supplementation in Rotator Cuff Repair Reduces Retear Rates and Improves Clinical Outcomes: A Meta-analysis of Randomized Controlled Trials.
2021
Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association
Ryan J, Imbergamo C, Sudah S, Kirchner G, Greenberg P +2 more
Plain English This study looked at how different types of platelet-rich therapies affect the healing of rotator cuff repairs. The researchers found that patients who received platelet-rich plasma (PRP) during surgery had a retear rate of 19.3%, compared to 25.4% for those who did not have PRP, with the pure PRP type showing even better results (retear rate of just 9.2%). This matters because using PRP can lead to fewer surgeries needed later and better recovery for patients after their initial surgery.
Who this helps: This helps patients recovering from rotator cuff surgery.
Perspectives on the Orthopaedic Surgery Residency Application Process During the COVID-19 Pandemic.
2021
Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews
Tawfik AM, Imbergamo C, Chen V, Filtes P, Butler A +2 more
Plain English This study looked at how the COVID-19 pandemic affected the process of applying for orthopaedic surgery residency programs, focusing on the experiences of applicants and program directors. Researchers found that applicants, despite applying to an average of 97.6 programs, only received about 13 interviews, and many felt less confident in their chances of matching due to missing out on in-person rotations and networking opportunities. Most residency programs did offer virtual events, but these did not replicate the important social interactions that help applicants decide on their rankings.
Who this helps: This information benefits medical students applying for orthopaedic surgery residencies and the residency programs evaluating them.
Thermal characteristics of rheumatoid feet in remission: Baseline data.
2020
PloS one
Gatt A, Mercieca C, Borg A, Grech A, Camilleri L +3 more
Plain English This study looked at the temperature patterns in the feet of patients with rheumatoid arthritis (RA) who are not currently experiencing symptoms and compared them to healthy individuals. The researchers found that the temperatures in various parts of the feet of RA patients differ significantly from those of healthy controls, especially in the forefoot and heel areas. This research is important because it helps establish a baseline understanding of foot temperature differences, which could be used in future studies to see if changes occur when the disease becomes active.
Who this helps: Patients with rheumatoid arthritis and their healthcare providers.
A comparison of thermographic characteristics of the hands and wrists of rheumatoid arthritis patients and healthy controls.
2019
Scientific reports
Gatt A, Mercieca C, Borg A, Grech A, Camilleri L +3 more
Plain English This study examined the hand and wrist temperatures of people with rheumatoid arthritis (RA) who did not have swelling compared to healthy individuals. Researchers found that RA patients had higher average temperatures: 31.4°C in their palms and 30.22°C in their fingers, compared to 29.37°C and 27.16°C for healthy participants, respectively. These results indicate that measuring temperature could help assess disease activity in RA patients.
Who this helps: This benefits patients with rheumatoid arthritis by providing a potential new method for monitoring their condition.
Plain English This study looked at shin pain in young athletes, commonly known as "shin splints." Researchers found that these injuries often result from overworking the bones in the lower leg, which makes it hard for them to heal, and that proper diagnosis and treatment—like resting and modifying workouts—are essential for recovery. Understanding these injuries is important because if not managed correctly, they can lead to long-term bone health issues.
Who this helps: This helps adolescent athletes and their doctors.
Continuous Positive Airway Pressure: Is it a route for infection in those with Obstructive Sleep Apnoea?
2017
Sleep science (Sao Paulo, Brazil)
Mercieca L, Pullicino R, Camilleri K, Abela R, Mangion SA +7 more
Plain English This study looked at whether using Continuous Positive Airway Pressure (CPAP) machines for treating obstructive sleep apnoea (OSA) increases the risk of respiratory infections. Researchers found that among 137 patients, there was no significant difference in infection rates between those using CPAP and those not using it. Specifically, no notable differences in issues like sinus infections, lung infections, or hospital stays for pneumonia were observed, making it clear that using CPAP does not increase infection risk.
Who this helps: This benefits patients using CPAP machines and their doctors.
Plain English This study looked at different types of acute shoulder injuries in adults, such as dislocations and fractures, and how they are treated. The researchers found that many of these injuries, especially in younger adults from sports, can often be managed with simple treatments like pain relief, slings, and physical therapy. Knowing how to identify these injuries and their treatments is crucial for ensuring patients receive the right care quickly.
Who this helps: This helps patients with shoulder injuries and their doctors.
Surgical treatment of symptomatic superior labrum anterior-posterior tears in patients older than 40 years: a systematic review.
2015
The American journal of sports medicine
Erickson J, Lavery K, Monica J, Gatt C, Dhawan A
Plain English This study looked at the results of surgery for shoulder tears (called superior labral tears) in patients over 40 years old. Researchers found that while some patients had good outcomes after surgery, others faced a higher chance of complications and dissatisfaction, particularly if they were older or dealing with workers' compensation issues. Specifically, complications like stiffness and the need for additional surgeries were more common in these older patients, suggesting that alternative treatments, such as biceps tenotomy, may be better options when there are also rotator cuff injuries.
Who this helps: This information benefits older patients with shoulder injuries and doctors treating them.
The mental health of newly graduated doctors in Malta.
2013
Psychiatria Danubina
Taylor-East R, Grech A, Gatt C
Plain English This study looked at the mental health of new doctors in Malta, focusing on the rates of psychological distress among them. Of the 117 junior doctors surveyed, nearly half (49.4%) reported high distress levels, with significant factors being lack of free time, uncertainty about their roles, migration, and being female. Addressing these issues, particularly the lack of leisure time, is crucial for supporting the well-being of these young professionals.
Who this helps: This benefits new doctors and their trainers, as well as the healthcare system in Malta.
ACL reconstruction using a novel hybrid scaffold composed of polyarylate fibers and collagen fibers.
2012
Journal of biomedical materials research. Part A
Tovar N, Murthy NS, Kohn J, Gatt C, Dunn M
Plain English This study looked at a new type of hybrid scaffold made from special fibers to help repair a torn anterior cruciate ligament (ACL) in sheep. Researchers found that after 12 weeks, the scaffolds were still intact and showed good signs of healing, with a strength of 42 Newtons and a stiffness rating, indicating they could effectively support the new tissue growth. This is important because it suggests that this scaffold design could successfully help the body rebuild the ligament and improve recovery after ACL injuries.
Who this helps: This helps patients recovering from ACL injuries.
A comparison of degradable synthetic polymer fibers for anterior cruciate ligament reconstruction.
2010
Journal of biomedical materials research. Part A
Tovar N, Bourke S, Jaffe M, Murthy NS, Kohn J +2 more
Plain English This study looked at two types of synthetic fibers—p(DTD DD) and PLLA—that could be used to help repair the anterior cruciate ligament (ACL) in the knee. Researchers found that p(DTD DD) fibers were stronger and had better growth for cells important in healing compared to PLLA fibers. Specifically, after 64 weeks, the p(DTD DD) fibers retained 20% of their strength while PLLA retained 37%, making p(DTD DD) a potentially better option for ACL repairs.
Who this helps: This benefits patients needing ACL reconstruction.
Casey Imbergamo Braden T Tierney Joseph Borg Christopher E Mason Alfred Gatt Cynthia Formosa James Monica Tatyana Chtanova JangKeun Kim Eliah G Overbey
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Not medical advice.