Revised October 31, 2004
(c) Keith Brewster
kbrews@cox.net
ActiveJoints.com
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abduction: side-to-side motion of hip joint away from centerline of body
(normal ROM 45-60 degrees)
abduction wedge: device, usually made of dense foam, used immediately after
surgery to prevent the patient from crossing legs over
centerline. Placed between the patient's legs.
ActiveJoints: Online site with information for active hip patients
http://www.ActiveJoints.com
adduction: motion of hip joint toward centerline of body (normal ROM 45 deg)
arthroplasty: Medical term for joint replacement surgery
ASR: Articular Surface Resurfacing, brand name of DePuy's metal-on-metal
hip resurfacing device.
AVN: Avascular Necrosis, a constriction of blood supply that
causes bone death
BHR: Birmingham Hip Resurfacing
bilateral: Both sides, bilateral THR is total hip replacement
of left and right hip (sometimes simultaneously)
c/c: Ceramic-on-ceramic articulation
C+ : Abbreviation for Conserve Plus
C2K: Abbreviation for Cormet 2000
CHD: congenital hip dysplasia, aka DHD
cer/cer: Ceramic-on-ceramic articulation
cer/poly: Ceramic-on-polyethelene articulation
Conserve: Wright Medical's Hemi-resurfacing (one-part) implant
Conserve+: Wright Medical's Conserve Plus two-part resurfacing implant
Conserve Plus: Wright Medical's Conserve Plus two part resurfacing implant
Cormet: Corin's two-part metal-on-metal resurfacing implant
Cormet 2000: Corin's two-part resurfacing implant (officially, Corin has
dropped the "2000" from the name, but that term survives
in the group because of past use)
Custom Device: FDA classification that allows a specific surgeon
to implant a device in patients on a limited basis.
cyst: hole that develops in bone due to synovial fluid pressure
when cartilage is lacking
DDH: dysplastic disease of the hip, aka CHD, DHD
debris: Tiny particles that are shed from implant, usually due to
wear of articulating surface
DHD: developmental hip dysplasia, aka CHD
distal: away from body center (distal femur is portion near the knee joint)
DJD: Degenerative Joint Disease, aka osteoarthritis
dysplasia: malformation of joint, generally the acetabular socket is too
shallow or small for the femoral head
EMEA: European agency for the evaluation of medicinal products, the
European counterpart for the FDA. EMEA rulings are applicable
across 15 countries in European Union.
extension: motion of hip to bring heel toward the back (normal ROM 15-20 deg)
FDA: Food and Drug Administration (US regulatory commission)
FDA CDRH: Center for Devices and Radiation Health, division of
FDA that regulates joint implants
flexion: motion of hip joint to bring knee toward chest (normal ROM 120 deg)
hemi-: Literally Greek for half. Hemi resurfacing is just
a resurfacing of the femur, with no acetabular component
hippy: Nickname for a person with a hip implant of some type
HMO: Health Maintenance Organization, a "managed care" health insurance
system in the U.S. where referrals are screened by a PCP, and
specialists are limited to those in the HMO network of providers
IDE: Investigational Device Exemption, FDA classification that allows
the implanting of a device during a clinical trial
ins: insurance
JRI: Joint Replacement Institute at Los Angeles Orthpaedic Hospital
LTHR: THR to left hip
m/m: metal-to-metal articulation
MDR: Medical Device Reporting, FDA system for doctors, hospitals and
manufacturers to report adverse outcomes to the FDA for monitoring
metal/metal: metal-to-metal articulation
metal/poly: metal-to-polyethylene articulation
MMT: Midland Medical Technologies, maker of BHR device
NAC: N-acetyl-L-cystiene amino acid derivative sold as
a nutritional supplement; has antioxidant properties
NHS: National Health System in England
OS: Orthopedic Surgeon
osteolysis: Death or resorption of bone cells causing softening of bone
PCP: Primary Care Physician, a doctor in the US who performs general
care and diagnosis, and refers patients to specialists,
when necessary, under an HMO arrangement
physio: Physical therapist, physical therapy
PMA: Premarket approval, FDA process for obtaining approval to market a
product
PPO: Preferred Provider Organization, a managed care health insurance
system in the U.S. where the patient can chose doctors and specialists
but only from those participating the in the ins company's fee plan
(in network). Some PPO plans require a PCP referral.
POS: Point-of-Service, an option in some insurance plans for the patient to
have the freedom of chosing any doctor or facility for service, but
generally at a lower reimbursement rate if the provider is not in
the company's network.
poly: Polyethelene, plastic component, usually acetabular cup
proximal: toward the body center (proximal femur is portion near the head)
PT: Physical Therapist, physical therapy
resorption: process of elimination of dead or unused bone cells
resurfer: surfacehippy, once applied in a derogatory sense to those who
were strong advocates on Totally Hip, now taken as a badge of honor?
ROM: range of motion
rotation: motion of hip to point toes toward (medial or interior) or
away (lateral or exterior) from centerline of the body
Normal ROM 60 deg medial, 70 deg lateral
RTHR: THR to right hip
stress shielding: Unnatural distribution of body weight to femur
reduces stress to parts of femur, such shielding can
lead to bone loss and possibly implant loosening
surfacehippy: Person with a resurfacing implant (BHR,C+, or C2K)
Online support group where surfacehippies share their experiences.
http://groups.yahoo.com/group/surfacehippy
THA: Total Hip Arthroplasty
THR: Total Hip Replacement
Totally Hip: Patient-authored online site with information and discussion forum
http://www.totallyhip.org
TKR: Total Knee Replacement
wedge: abduction wedge
WMT: Wright Medical Technologies, maker of Conserve Plus
Wolff's Law: "Bone formation occurs where there is stress applied, and
resorption where it is lacking."
The following is a list of surgeons commonly mentioned in Surfacehippy messages
(not an exhaustive list of resurfacing surgeons, nor a recommendation by the
moderator). Note that some members like to sign their messages with a trailer
including surgeon name, right or left resurfacing, and date(s) of surgery.
Amstutz: Dr. Harlan Amstutz, Los Angeles Orthopaedic, Los Angeles, Calif, USA
Antoniou: Dr. John Antoniou, McGill University, Montreal, Canada
Beaule: Dr. Paul Beaule, Los Angeles Orthopaedic, Los Angeles, Calif, USA
Boyd: Dr. Harold Boyd, Salem, Oregon, USA
DeSmet: Dr. Koen DeSmet, General Hospital Jan Palfijn, Ghent, Belgium
Gross: Dr. Tom Gross, Midlands Orthopedics, Columbia, South Carolina, USA
Kennedy: Dr. William Kennedy, Sarasota, Florida, USA
McMinn: Mr. Derek McMinn, Royal Orthopaedic Hosp., Birmingham, England
Mont: Dr. Michael Mont, Sinai Hospital, Baltimore, Maryland, USA
Schmalzried: Dr. Tom Schmalzried, Los Angeles Orthopaedic, Los Angeles, CA, USA
Treacy: Mr. Ronan Treacy, Royal Orthopaedic Hosp., Birmingham, England
Vail: Dr. Tom Vail, Duke Medical Center, Durham, North Carolina
A few (of many) computer shorthand items
BTW: By the way
FWIW: For what its worth
IIRC: If I recall correctly
IMHO: In my humble opinion
IMO: In my opinion
LOL: Laughing out loud
ROFL: Rolling on the floor laughing
wrt: with respect to
:) Smile (with many variations using other punctuation)
British-American English Surgical Translator
operating room = operating theatre
cane = stick
walker = Zimmer frame or just Zimmer
specialist doctor = consultant (title Mr. is used rather than Dr.)
gurney = trolley
elevator = lift
physical therapist = physiotherapist or physio'
2.2 lb = 1 kg weight
14 lb = 1 stone weight
1.40 US Dollars = 1.0 British Pound (see www.xe.com for latest rates)
0.80 US Dollars = 1.0 Euro
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