Cell Therapy for Cartilage Repair Bangor ME

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Dr.John Pyne
(207) 947-8381
404 State St # 610
Bangor, ME
Gender
M
Speciality
Orthopedic Surgeon
General Information
Accepting New Patients: Yes
RateMD Rating
1.5, out of 5 based on 1, reviews.

Data Provided By:
James R Curtis
(207) 973-7000
489 State St
Bangor, ME
Specialty
Orthopedic Surgery

Data Provided By:
Garrett Rines Martin, MD
(207) 947-8381
404 State St Ste 610
Bangor, ME
Specialties
Orthopedics
Gender
Male
Education
Medical School: Univ Auto De Guadalajara, Fac De Med, Guadalajara, Jalisco, Mexico
Graduation Year: 1978
Hospital
Hospital: Eastern Maine Med Ctr, Bangor, Me; St Joseph Hospital, Bangor, Me
Group Practice: Down East Orthopedic Assoc

Data Provided By:
Paul Gregor Askins
(207) 947-8381
404 State St
Bangor, ME
Specialty
Orthopedic Surgery

Data Provided By:
John Frederick Adams Jr, MD
(207) 945-6695
417 State St Ste 209
Bangor, ME
Specialties
Orthopedics
Gender
Male
Education
Medical School: Tufts Univ Sch Of Med, Boston Ma 02111
Graduation Year: 1966

Data Provided By:
Paul Kamins, MD
(207) 945-9461
151 Broadway
Bangor, ME
Specialties
Orthopedics
Gender
Male
Education
Medical School: Creighton Univ Sch Of Med, Omaha Ne 68178
Graduation Year: 1991

Data Provided By:
Richard Joseph Mazzei, MD
(207) 947-2788
77 Broadway
Bangor, ME
Specialties
Orthopedics
Gender
Male
Education
Medical School: Wayne State Univ Sch Of Med, Detroit Mi 48201
Graduation Year: 1970

Data Provided By:
Philip Ridlon Kimball, MD
(207) 947-0768
78 Ridgewood Dr
Bangor, ME
Specialties
Orthopedics
Gender
Male
Education
Medical School: Tufts Univ Sch Of Med, Boston Ma 02111
Graduation Year: 1963

Data Provided By:
Dr.James Lawsing III
(207) 942-5561
417 State Street #400
Bangor, ME
Gender
M
Education
Medical School: Boston Univ Sch Of Med
Year of Graduation: 1969
Speciality
Orthopedic Surgeon
General Information
Accepting New Patients: Yes
RateMD Rating
1.5, out of 5 based on 1, reviews.

Data Provided By:
Ian Douglas Dickey
(207) 973-7000
489 State St
Bangor, ME
Specialty
Orthopedic Surgery

Data Provided By:
Data Provided By:

Cell Therapy for Cartilage Repair: A Review and Update

Research into repair techniques for damage to knee cartilage is moving right along. Surgeons in Europe and Australia are ahead of American surgeons as they have moved from first-generation cartilage repair through second generation methods to the more current third-generation approaches.

Only one type of third-generation cell therapy for cartilage repair is available in the United States: the matrix-induced autologous chondrocyte implantation or MACI. MACI is the subject of this review article. Although it is being used by U.S. surgeons, the U.S. Food and Drug Administration (FDA) has not yet approved this type of cell carrier yet.

But let's step back a minute and get some background information that will help you understand what's going on. The basic problem is one of damage to the articular (joint surface) cartilage of the knee. The hole or defect can be small but deep (all the way down to the bone). Sometimes, the defect is large (wide and deep).

The affected person experiences knee pain and joint swelling, locking, stiffness, and clicking. The symptoms can be bad enough to interfere with daily activities at home and work and create quite a bit of disability. Sports participation can be out of the question.

Because so many athletes are affected and given the fact that knee joint (articular) cartilage doesn't repair itself, researchers started looking for ways to treat cartilage injuries of this type. They tried scraping the area and smoothing it down, a procedure called debridement. They tried drilling tiny holes into the bone marrow to stimulate bone healing. That's called microfracture. And they tried taking healthy cartilage from one part of the knee and transferring it to the lesion to fill in the hole.

All of these treatment methods had problems. There wasn't one approach that could work well for all different types and sizes of cartilage defects. That's when cell therapy was developed. Healthy cartilage cells (chondrocytes) were harvested from the knee but instead of using them directly in the damaged area, they were transferred to a lab. In the lab, the cells were used to grow more cells. When there were enough cells to fill in the hole, they were reimplanted into the patient and covered with a patch made of periosteal (bone) cells.

That procedure was called autologous chondrocyte implantation (ACI). It was the first cell therapy devised for the problem of full-thickness (down to the bone) cartilage injuries. That's why it's considered a first-generation approach to cell therapy cartilage repair. But again there were problems. The procedure is invasive and requires a two-step (staged) surgical procedure. That means at least two surgeries with all of the possible costs and risks that go with staged procedures.

The next batch of autologous chondrocyte implants were improved and formed the second-generation techniques. Instead of covering the patched up hole with periosteum (bone cells), they t...

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