Clinical Briefing:
Image-Guided Minimally Invasive Orthopaedic Surgery
November / December 2005
Available at just a few academic medical centers
throughout the country, Penn Orthopaedics performs
new high-precision, computer-guided surgical navigation or
image-guided surgery (IGS) to improve accuracy for total
hip and knee replacements.
VectorVision® from BrainLAB gives Penn surgeons an
exact three dimensional, computer-generated model of the
patient’s anatomy during minimally invasive hip and
knee replacement operations. Before the surgery is over,
doctors can fine tune the placement of the prosthesis and
even study mobility and range of motion.
Advantages extend beyond the operating room. Using the state-of-the-art
system, many patients see results better than traditional
procedures –  smaller incisions, shorter recovery times,
and potentially fewer rehabilitation sessions. VectorVision® also
eliminates the need for cumbersome CT scans and X-ray exposure,
simplifying a patient’s care.
Case Study
Mrs. M is a 71 year-old female with significant pain
in her left knee. In recent months, the pain reached the
point where her quality of life suffered significantly. Previously
an active person, Mrs. M was no longer able to play with
her grandchildren or participate in normal daily activities.
Knee replacements are a challenge for many active patients
because fixation and wear take their toll leading to a revision
in a high percentage of patients after approximately 10 years.
With this fact, Mrs. M could be facing one or even two revisions
in her lifetime.
To address the wear problem, Mrs. M received a total knee
replacement with advanced low-wear materials. The second
and very important challenge of optimizing the placement
of the components to increase her range of motion and stability,
was enhanced by the use of computer-guided surgery. Mrs.
M’s bone position was registered in the operating room
and through the use of computer-guided surgical navigation
equipment, the knee replacement components were placed with
greater accuracy.
Mrs. M returned to routine daily activities two weeks following
surgery, and within a month, was able to resume playing with
her grandchildren.
Outcomes*
- A patient-specific bone model allows
for a treatment plan to be created intra-operatively, giving
greater control over the surgical outcome.
- With
the ability to verify and optimize bone resections intra-operatively,
margins of errors are discovered and corrected during
surgery.
- VectorVision® can assist the orthopaedic
surgeon in increasing a person’s mobility, independence
and self-esteem in less time than other surgical options.
*Source: BrainLAB
Our Team of Faculty
Our board-certified orthopaedic
surgeons are committed to treating individuals according
to their specific needs. Many patients are candidates for
non-surgical joint preservation techniques, including osteotomies
or cartilage resurfacing procedures.
Members of our staff serve on the editorial boards of the
Journal of Arthroplasty, the Annals
of Internal Medicine and the University
of Pennsylvania Orthopaedic Journal.
Jonathan P. Garino, MD
Director, Joint Replacement
Center
Penn Presbyterian Medical Center
Craig L. Israelite, MD
Assistant Professor of Orthopaedic
Surgery
Penn Presbyterian Medical Center
Charles L. Nelson, MD
Assistant Professor of Orthopaedic
Surgery
Penn Presbyterian Medical Center
Access
Patient appointments are scheduled within
two weeks as follows:
Penn Presbyterian Medical Center
39th and Market Streets
1 Cupp Pavilion
Philadelphia, PA 19104
Monday - Friday
Penn Medicine at Cherry Hill
409 Route 70 East
Cherry Hill, NJ 08034
Tuesdays
Penn Medicine at Radnor
250 King of Prussia Road
Radnor, PA 19087
Fridays
To refer a patient and/or consult with a doctor, call the
PENNHealth
at
1-800-789-PENN.
Please contact your UPHS physician liaison with any concerns
or problems you may experience when referring your patient.
Locations
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