Sean Rajaee, MD

Sean Rajaee, MD Orthopaedic Surgeon specializing in minimally invasive hip and knee replacements

As a physician and surgeon at Cedars-Sinai, I knew we offer the highest level of care for our patients. Proud to be reco...
07/26/2022

As a physician and surgeon at Cedars-Sinai, I knew we offer the highest level of care for our patients. Proud to be recognized and to be a part of

What if you could be just a little bit more accurate in surgery? Would you want that as a patient? I know I would. That’...
07/08/2022

What if you could be just a little bit more accurate in surgery? Would you want that as a patient? I know I would. That’s what robotics is about in orthopedics. Enjoyed doing some press fit robotic total knees with now HSS surgeon
Two minds are better than one!







What if you could be just a little bit more accurate in surgery? Would you want that as a patient? I would. That’s what ...
07/08/2022

What if you could be just a little bit more accurate in surgery? Would you want that as a patient? I would. That’s what robotics is about in orthopedics. Enjoyed doing some press fit robotic total knees with now HSS surgeon
Two minds are better than one!







Happy 2022! It’s that time of year again where we interview applicants to fill two spots for the Cedars Sinai Arthroplas...
01/10/2022

Happy 2022! It’s that time of year again where we interview applicants to fill two spots for the Cedars Sinai Arthroplasty Hip and Knee Fellowship. With our expert team of hip and knee surgeons, fellows here are able to see the most advanced techniques and technology including robotic surgery for joint reconstruction. .md The applicants were all rockstar physicians.

If you or a loved one is in need of a hip or knee replacement, make sure that your surgeon is specialized with fellowship training!

Who doesn’t love mangoes?!This patient of mine is so happy to be back to his active lifestyle after breaking his hip, he...
08/21/2021

Who doesn’t love mangoes?!

This patient of mine is so happy to be back to his active lifestyle after breaking his hip, he brings the best mangoes every time he visits the office! Minimally invasive anterior hip replacement get you back to your active lifestyle in no time.

Proud to be a part of the orthopaedic department here at Cedars-Sinai. From our nurses to our surgeons, medical doctors,...
07/28/2021

Proud to be a part of the orthopaedic department here at Cedars-Sinai. From our nurses to our surgeons, medical doctors, OR staff and administrative staff, everyone works hard to make sure our patients receive the highest level of care. And it’s only getting better soon with .ajo22 joining.

Join us this Thursday evening 5:15pm pacific time for an AAOS Webinar on outpatient joint replacements. We will be talki...
05/03/2021

Join us this Thursday evening 5:15pm pacific time for an AAOS Webinar on outpatient joint replacements. We will be talking about strategies to perform same day joint replacements safely and consistently.

Crowe type IV developmental dysplasia of the hip is not a common problem we see these days.  In modern day medicine, hip...
04/02/2021

Crowe type IV developmental dysplasia of the hip is not a common problem we see these days. In modern day medicine, hip dislocation is caught usually at the time of birth and babies can be treated no surgically with braving. Unfortunately when the problem is bilateral, it’s harder to identify and this patient has been suffering from bilateral severe developmental dysplasia with secondary osteoarthritis her whole life. Basically her hips have been dislocated her whole life and have developed a new fake or “pseudo” socket. The arthritis got so bad she couldn’t handle it anymore and we planned to perform a complex reconstruction through a hip replacement. Hip replacement helps reconstruct the hip biomechanics in these patients however restoring the true socket or acetabulum may lead to TOO much limb lengthening and can cause damage to the sciatic nerve. To address this, I planned a shortening femoral osteotomy in conjunction with a total hip arthroplasty. To ensure the nerve was ok during surgery, I used SSEP neurological monitoring which ensured her sciatic nerve would not be overstretched. Surgery went well and she can’t wait to get the other side done. Check out the 2010 JBJS study out of the Mayo Clinic breaking down the surgical technique for this complex procedure. Thank you to everyone involved in helping this patient have the best and safest outcome.

What to do with acetabular bone loss?Certain patients with a significant amount of bone loss requiring a revision total ...
03/30/2021

What to do with acetabular bone loss?

Certain patients with a significant amount of bone loss requiring a revision total hip replacements can require extensive planning to prepare for surgery. Sometimes patients unfortunately lose bone in their pelvis for a variety of reasons related to their disease or their prior surgeries. When enough bone is lost, the hip can fail and become unstable.

With modern day technology, we can now reconstruct a patients hip with patient specific custom components made to match their individual anatomy through CT scan imaging. This case was a custom triflange prosthesis made for a patient with severe bone loss in the pelvis (particularly the anterior column and wall). A custom triflange prosthesis was made with Biomet Zimmer. One of the many benefits of the custom prosthesis is that it fits into the patients anatomy and has inherent stability. Additionally, you can plan your fixation and screw placement all ahead of time based on CT imaging and planning. It was great working with Dr Daniel Allison and his team on this case! .md

HAPPY DOCTORS DAY to all my mentors, colleagues and peers!

Follow up post: Osteopetrosis, is a very rare condition that causes overly dense bone throughout the body.  It has also ...
03/18/2021

Follow up post: Osteopetrosis, is a very rare condition that causes overly dense bone throughout the body. It has also been known as ‘marble bone disease’. The osteoclasts, which are the cells responsible for normal bone remodeling are defective and cause the bone to be super dense. Problem is when the bone gets so dense, it actually becomes brittle and then can break more easily. This lady had a failed right total hip replacement socket that came loose as well as a fracture or her acetabulum in the front and back.

To fix her problem, we fixed the posterior wall acetabular fracture with a plate and screws and then used a trabecular metal cup which had a solid fit plus multiple screws. Also used bone morphogenetic protein (BMP) to help recruit bone forming cells to the area to help her heal.

Same day joint replacements are here for hip and knee replacements.  With the new Cedars-Sinai Outpatient Hip and Knee C...
02/17/2021

Same day joint replacements are here for hip and knee replacements. With the new Cedars-Sinai Outpatient Hip and Knee Center established in December 2020, we now are offering appropriate patients a true outpatient experience where your entire recovery in the outpatient stay unit, avoiding the inpatient hospital. Thank you to the help of everyone who made this possible including nursing leadership, administrative leadership, anesthesia, physical therapy and all the support staff. .

Same day joint replacements are here for hip and knee replacements.  With the new Cedars-Sinai Outpatient Hip and Knee C...
02/17/2021

Same day joint replacements are here for hip and knee replacements. With the new Cedars-Sinai Outpatient Hip and Knee Center established in December 2020, we now are offering appropriate patients a true outpatient experience where your entire recovery in the outpatient stay unit, avoiding the inpatient hospital.

Address

444 S San Vicente Boulevard Suite 603
West Hollywood, CA
90048

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