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Vasili Karas, MD, MS, is a board certified, fellowship-trained orthopaedic surgeon specializing in minimally invasive and rapid recovery hip and knee replacements, as well as complex revision joint surgeries. He is committed to empowering his patients to overcome their pain and resume the activities they love.

A Chicagoland native with the goal of giving back to his community, Dr. Karas earned his medical degree at Rush University’s Medical College in Chicago. He then went to North Carolina to complete his residency training at Duke University Medical Center. After that, he returned to Chicago to finish his fellowship training in hip and knee replacement surgery at Rush University Medical Center.  

Dr. Karas’ approach to medicine involves spending time with his patients, fostering good communication, and offering the latest advances in medical technology. He has over 40 peer reviewed publications and is a committee member of the American Academy of Hip and Knee Surgeons (AAHKS). Through physical therapy, joint injections, and surgical procedures, he strives to get patients back on their feet as quickly as possible without compromising technique. He works closely with patients throughout their road to recovery and is highly skilled in addressing the full spectrum of concerns when it comes to hip or knee joints.

Whether a patient is continuing to have pain after a previous joint replacement, needs a second opinion, or is seeking the best surgeon to perform a knee or hip replacement for osteoarthritis, Dr. Karas feels privileged to care for his patients whether they be Chicago natives or come from anywhere in the world.

Practice Emphasis

Dr. Karas specializes in rapid recovery surgery but also is happy to take on complex cases and revision, or re-do joint replacements. Whether it be surgical approach, length of stay, use of technology, or any special needs you may have, Dr. Karas is committed to offering patients the options they need to have an excellent patient experience and a successful joint replacement.

Areas of Expertise:

Dr. Karas is recognized for his expertise in:

• Minimally Invasive Total Hip and Knee Replacements 
• Outpatient & Same-Day Joint Replacement
• Partial Knee Replacements
• Complex joint reconstruction, revision surgery, infection surgery
• Robotic assisted hip and knee replacement, Computer navigation assisted hip and knee replacement
• Second opinion for existing painful total joints
• Non-operative and conservative treatment for hip and knee pain

Research Interests

• Biomechanics of the knee and of joint replacement
• Sports and activity after joint replacement
• Advanced surgical technology in joint replacement

Education, Certifications & Training

• Assistant Professor - Orthopaedic Surgery, Rush University Medical Center, Chicago IL
• Fellowship - Adult Reconstruction, Rush University Medical Center, Chicago, IL
• Residency - Orthopaedic Surgery, Duke University Medical Center, Durham NC
• Medical School - Rush University Medical College, Chicago IL
• Bachelors of Science - University of Notre Dame, South Bend IN

Languages Spoken

• English
• Greek (Fluent)

Disclosures

None

Vasili Karas, MD, MS, is a board certified, fellowship-trained orthopaedic surgeon specializing in minimally invasive and rapid recovery hip and knee replacements, as well as complex revision joint surgeries. He is committed to empowering his patients to overcome their pain and resume the activities they love.

A Chicagoland native with the goal of giving back to his community, Dr. Karas earned his medical degree at Rush University’s Medical College in Chicago. He then went to North Carolina to complete his residency training at Duke University Medical Center. After that, he returned to Chicago to finish his fellowship training in hip and knee replacement surgery at Rush University Medical Center.  

Dr. Karas’ approach to medicine involves spending time with his patients, fostering good communication, and offering the latest advances in medical technology. He has over 40 peer reviewed publications and is a committee member of the American Academy of Hip and Knee Surgeons (AAHKS). Through physical therapy, joint injections, and surgical procedures, he strives to get patients back on their feet as quickly as possible without compromising technique. He works closely with patients throughout their road to recovery and is highly skilled in addressing the full spectrum of concerns when it comes to hip or knee joints.

Whether a patient is continuing to have pain after a previous joint replacement, needs a second opinion, or is seeking the best surgeon to perform a knee or hip replacement for osteoarthritis, Dr. Karas feels privileged to care for his patients whether they be Chicago natives or come from anywhere in the world.

Practice Emphasis

Dr. Karas specializes in rapid recovery surgery but also is happy to take on complex cases and revision, or re-do joint replacements. Whether it be surgical approach, length of stay, use of technology, or any special needs you may have, Dr. Karas is committed to offering patients the options they need to have an excellent patient experience and a successful joint replacement.

Areas of Expertise:

Dr. Karas is recognized for his expertise in:

• Minimally Invasive Total Hip and Knee Replacements 
• Outpatient & Same-Day Joint Replacement
• Partial Knee Replacements
• Complex joint reconstruction, revision surgery, infection surgery
• Robotic assisted hip and knee replacement, Computer navigation assisted hip and knee replacement
• Second opinion for existing painful total joints
• Non-operative and conservative treatment for hip and knee pain

Research Interests

• Biomechanics of the knee and of joint replacement
• Sports and activity after joint replacement
• Advanced surgical technology in joint replacement

Education, Certifications & Training

• Assistant Professor - Orthopaedic Surgery, Rush University Medical Center, Chicago IL
• Fellowship - Adult Reconstruction, Rush University Medical Center, Chicago, IL
• Residency - Orthopaedic Surgery, Duke University Medical Center, Durham NC
• Medical School - Rush University Medical College, Chicago IL
• Bachelors of Science - University of Notre Dame, South Bend IN

Languages Spoken

• English
• Greek (Fluent)

Disclosures

None

Martin I. Ellenby, MD, FACS, is a board-certified surgeon specializing in vascular and endovascular surgery. At Vascular Surgery Associates, with offices in Chicago Ridge and New Lenox, Illinois, Dr. Ellenby treats disorders of the arteries and veins, including peripheral artery disease (PAD), atherosclerosis, and abdominal aortic aneurysms. He has been practicing in South Chicago for over 25 years.

In addition to performing traditional open vascular surgeries, Dr. Ellenby offers customized surgical plans using minimally invasive hybrid techniques and cutting-edge percutaneous endovascular therapies.

Dr. Ellenby earned his medical degree from Duke University in Durham, North Carolina. He completed his training in general surgery at the University of Illinois’ Cook County Hospital in Chicago, Illinois. He finished a vascular surgery fellowship at Henry Ford Hospital in Detroit, Michigan.

Dr. Ellenby is certified by the American Board of Surgery and is an active member of the American College of Surgeons (ACS), the Society for Vascular Surgery (SVS), and the Midwestern Vascular Surgical Society (MVSS).

Emily McNerney, PA-C, is a board-certified physician’s assistant at Vascular Surgery Associates, with offices in Chicago Ridge and New Lenox, Illinois. Emily enjoys caring for men and women of all ages in a welcoming, friendly setting.

She graduated from the physician assistant program at Massachusetts College of Pharmacy and Health Sciences in Boston and has many years of professional experience. Emily maintains her PA-C credential with continuing education, staying up to date on the latest advances in vascular surgery and other blood vessel treatments.

She cares for patients with vascular diseases, including peripheral artery disease (PAD), varicose veins, spider veins, aneurysms, and others, using cutting-edge procedures and techniques. Examples include sclerotherapy, ClosureFast™ radiofrequency vein ablation, VenaSeal™, and vascular surgery.

In her free time, Emily enjoys staying active and spending time with her family and friends. She welcomes patients to Vascular Surgery Associates and looks forward to improving their vascular health.

Lindsay Maas, PA-C, is a board-certified physician’s assistant at Vascular Surgery Associates, with offices in Chicago Ridge and New Lenox, Illinois. She enjoys helping her patients improve their vascular health and quality of life.

Linsday is a native of Chicago and loves serving her hometown community. She graduated from Arcadia University in Glenside, Pennsylvania, with two master’s degrees and maintains her advanced credentials with continuing education.

Patients with varicose or spider veins, peripheral artery disease (PAD), leg swelling, and clogged arteries can rely on Linsday and her team for exceptional care.

She offers ClosureFast™ radiofrequency vein ablation, sclerotherapy, laser treatments, VenaSeal™, vascular surgeries, and much more. Her compassionate demeanor helps men and women of all ages feel at ease during their visits.

When she’s not in the office, Lindsay enjoys spending time with family and friends. She warmly welcomes her patients to Vascular Surgery and Associates and looks forward to caring for them.

Mohammad Sarhan, MD, is a highly-skilled, board-certified vascular and endovascular surgeon at the Chicago Ridge and New Lenox, Illinois, offices of Vascular Surgery Associates. Dr. Sarhan specializes in the treatment of vein and artery disorders, including carotid artery disease, peripheral artery disease (PAD), and stroke.

In addition to performing minimally invasive and open vascular surgeries, Dr. Sarhan serves as a clinical assistant professor of surgery at the University of Illinois College of Medicine in Chicago, Illinois. Dr. Sarhan is also board certified in general surgery and surgical critical care.

Dr. Sarhan earned his medical degree from Damascus University (Jāmi‘atu Dimashq) in Damascus, Syria. Through Columbia University, he underwent general surgery training at NYC Health+ Hospital/Harlem in New York City, New York. Dr. Sarhan completed fellowships in vascular surgery at Michigan State University in East Lansing, Michigan, and critical care through Harvard University at Brigham and Women’s Hospital in Boston, Massachusetts.

Dr. Sarhan is an active member of the American Board of Surgery (General Surgery), the American College of Surgeons (ACS), the Society for Vascular Surgery (SVS), and the Midwestern Vascular Surgical Society (MVSS). He has been certified as a Registered Physician in Vascular Interpretation® (RPVI®) by the Alliance for Physician Certification and Advancement (APCA™).