Complete Removal Of Damaged Meniscus

Source
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1 -
THE BASICS
2 -
CRUCIATES
3 -
COLLATERALS
4 MENISCI
- terminology
-
anatomy
-
injury
- tear
types
- menisectomy
- repair
- replacement
5 -
PATELLAE
6 -
ARTHRITIS
7 -
REHAB
8 -
PATIENT STORIES
9 -
SPORT
10 -
FINDING HELP



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MENISCECTOMY
Meniscectomy means 'cutting out the
meniscus'. Really it is too broad a term to describe what usually
happens during knee surgery, so surgeons resort to using
descriptive terms, such as:
-
Meniscal trimming
-
Partial meniscectomy
- Excision of
bucket-handle
- Excision of parrot beak
-
Complete meniscectomy .
If
you have read the section on types of tear, then you will
understand the procedures above.
There is one big issue about 'complete' meniscectomy that you
must understand -
"complete meniscectomy is a one-way ticket to arthritis!"
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Compete menisectomy is removal of the
entire meniscus and its rim. It takes away the meniscal rim and has the
following almost certain consequences:
- shock
absorption is lost forever
- the lack of the 'spacer' of the
meniscus means more forces are applied through that side of the joint
- the joint surfaces of the femur
(thighbone) and tibia (shinbone) are going to become stressed,
softened, and eventually break down ('arthritis') and there will be
arthritic pain
- the leg may demonstrate 'bow
leggedness' or 'knock-knees', due to the collapse of the joint on the
one side (one 'compartment')
- the knee may be seen to thrust
outwards with each step, further stressing the joint ('lateral
thrust')
- the bone may attempt to try to
heal the problem - but with totally unhelpful bony outgrowths called 'osteophytes'
('bone mushrooms'). These may form at the joint line or in the notch
where the cruciate ligaments reside
- eventually the cruciate
ligaments may become incompetent and rupture
Knee
surgeons will generally try to preserve this external rim at all costs,
although part of the meniscus may have to be removed in a partial
meniscectomy.
Meniscectomy -
Overview: Below
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Source
Meniscectomy and
Meniscus Repair
80.6, 81.47

Other names/synonyms:
Débridement, Partial Meniscectomy, Meniscus Shaving
What is it?
Meniscectomy is the surgical removal or repair of the knee meniscus
(semi-lunar cartilage). Meniscectomy depends on the location and type of
tear encountered. Rarely is the entire meniscus removed since the advent
of arthroscopic surgery, which allows removal of only the damaged tissue
or repair of the tear.
Tears along the inner curve of the meniscus, especially those that are
of the ragged degenerative type, are most commonly treated by removing
the portion of damaged meniscus. The terms débridement, partial
meniscectomy, or meniscus shaving are often used to describe this
procedure.
Tears in the thick substance of the meniscus, near the outer rim where
the blood supply is located, can often be repaired with stitches
(sutures). This procedure (meniscus repair) is technically challenging
but often very successful in promoting healing. Meniscus repair has a
greater risk of complication and a longer recovery time but is the
preferred procedure when possible. Individuals undergoing meniscus
repair wear a protective brace, which limits knee motion and requires a
period of limited weight bearing on crutches.
Both meniscectomy and meniscus repair are now most commonly arthroscopic
procedures, and may be combined with other procedures about the knee.
The procedures may be done under local, regional or general anesthesia
and are outpatient procedures.
What is the reason for this
procedure?
Meniscus repair or meniscectomy is performed when conservative treatment
fails. It is also performed to relieve symptoms and to slow the
degenerative process. Meniscus repair also provides protection of the
knee ligaments. The goal is to protect the articular surface from
degenerative damage and to increase stability of the knee.
What might complicate it?
Meniscus repair may be complicated by nerve or blood vessel damage,
bleeding, infection, stiffening of the knee joint (arthrofibrosis) and
failure of the repair.
Complete meniscectomy may increase the rate of degenerative changes to
the articular surface and increase instability of the knee. Surgical
complications include infection, changes in sensation around the
incision, as well as the usual surgical complication risks. The
procedures may be complicated by osteoarthritis, knee ligament injury,
loose bodies, synovitis and arthrofibrosis. Some individuals develop a
post surgical inflammation aggravated by physical therapy, which slows
recovery. It is important to note that having the procedure done
arthroscopically does not automatically mean that recovery will be short
and/or easy.
What are possible work
restrictions and accommodations?
Strenuous activities should be restricted for several weeks. Other
restrictions include no kneeling, squatting, crawling, climbing or
prolonged standing during the early phase of recovery. Use of crutches
and knee brace will affect agility. Frequent rest periods with
facilities that allow the individual to elevate the lower extremity may
enable earlier return to work. Some individuals may have permanent
restrictions on kneeling, jumping and squatting based on findings during
surgery. Use of medications for pain and swelling may require review of
any drug policies. What type of rehabilitation might be appropriate for
recovery from this procedure? At what frequency and for how long?
Physical therapy, three times a week for a period of six to twelve
weeks.
Who are the appropriate
specialists for treatment, referral, or independent examination?
Orthopedic surgeon and physiatrist (after surgery).
Karl Note: I very strongly
advise to never include any psychiatrist as part of the treatment, and
to avoid any orthopedic surgeon who even is ready to recommend
psychiatric treatment. Such a referral indicates an orthopedic
surgeon who is far too drug-oriented to allow him to work on your knees
in any way!
What are the factors that might
influence length of disability?
Type of procedure, occurrence of complications, individual's job
requirements, ability to modify work activities and compliance with
rehabilitation would all affect the disability period.
What is the expected length of disability? -
Updated Table
Arthroscopic. Meniscectomy.
| Job
Classification |
Minimum
Expectancy |
Optimum |
Maximum
Expectancy |
| Sedentary Work |
7 Days |
14 Days |
28 Days |
| Light Work |
14 Days |
21 Days |
42 Days |
| Medium Work |
14 Days |
21 Days |
56 Days |
| Heavy Work |
21 Days |
42 Days |
70 Days |
| Very Heavy Work |
28 Days |
42 Days |
84 Days |
What is the expected length of disability? -
Updated Table
Surgical treatment, open. Meniscectomy.
| Job
Classification |
Minimum
Expectancy |
Optimum |
Maximum
Expectancy |
| Sedentary Work |
14 Days |
21 Days |
42 Days |
| Light Work |
21 Days |
35 Days |
49 Days |
| Medium Work |
28 Days |
42 Days |
56 Days |
| Heavy Work |
35 Days |
42 Days |
56 Days |
| Very Heavy Work |
35 Days |
56 Days |
84 Days |
What is the expected length of disability?
Meniscus repair.
| Job
Classification |
Minimum
Expectancy |
Optimum |
Maximum
Expectancy |
| Sedentary Work |
7 Days |
10 Days |
42 Days |
| Light Work |
7 Days |
14 Days |
91 Days |
| Medium Work |
35 Days |
42 Days |
119 Days |
| Heavy Work |
42 Days |
84 Days |
140 Days |
| Very Heavy Work |
91 Days |
119 Days |
182 Days |
What is the duration trend from the normative data?
Meniscectomy
ICD-9-CM = 80.6, 81.47
Number of Cases = 1,454
Mean LOD= 48 Days
Median LOD= 40 Days
Cases > 6 months= 2%
(REED/CORE DATA)
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