Session 8: Hand / Wrist
Torsdag d. 25. oktober
13:00-14:30
Lokale: Stockholm/Copenhagen/Helsinki/Oslo
Chairmen: Janni Thillemann og Michel Bocktryns
49. Early results after cup revision in primary trapeziometacarpal joint arthroplasty
Lene Dremstrup, Lone Stilling, Lone Kirkeby, Lotte Priess Larsen, Torben Bæk Hansen
University Clinic for hand, hip and knee surgery, Regional Hospital West Jutland, Holstebro; Department of Orhopaedics, Aarhus University; University Clinic for hand, hip and knee surgery, Regional Hospital West Jutland, Holstebro; University Clinic for hand, hip and knee surgery, Regional Hospital West Jutland, Holstebro; University Clinic for hand, hip and knee surgery, Regional Hospital West Jutland, Holstebro
Background: Cup failure is a recognized problem in
total trapeziometacarpal (TM) joint
prostheses and therefore options for cup
revision are needed. Trapeziectomy has
been the primary salvage procedure and
has shown better results than revision to a
cemented cup. Since 2013 we have used
cementless cup revision.
Purpose / Aim of Study: To evaluate the early results after
cementless cup revision in TM joint
arthroplasty.
Materials and Methods: A cohort of 23 patients (21 female) at
mean age 56 years (range 46-72) were
followed prospectively after cup
revision in primary TM joint prosthesis.
Indications for surgery were pain,
dislocation, aseptic cup loosening.
Cementless Moovis pressfit cup
without bonegrafting (n=4) or
cementless Moovis screw cup with
distal radius cancellous bone autograft
(n=19) were used. Patients were
evaluated with grip strength, DASH
score, pain measured by VAS at rest
and activity, and standard radiographs
preoperatively and after 3, 12, 24
months. Mean follow up time was 18.2
months (range 3-60). 20 patients had
12 months follow up.
Findings / Results: At one-year follow up DASH improved 18
(SD 21) points (p<0.002), grip strength
improved 7.7 (SD 4.4) kg (p=0.009), and
VAS pain at activity improved 3.8 (SD 2.5)
points (p<0.004). 19 patients had
radiographs with well-fixed cups based on
visual judgement. One patient was revised
to a trapeziectomy after 3 months because
of cup loosening. There were no other
revisions or complications. At two-years
patients reported mean VAS 9.8 (range
8-10) on satisfaction with their result and
all were willing to repeat the procedure.
Conclusions: Cementless cup revision after failed total
TM joint arthroplasty provides clinically
relevant functional improvement and high
patient satisfaction at short-term follow up.
Results are at the level of primary
trapeziectomy in a similar age group.
50. Influence of occupational mechanical exposures on return to work and disability after trapeziometacarpal total joint arthroplasty
Lone Kirkeby, Poul Frost, Susanne Wulff Svendsen, Torben Bæk Hansen
University Clinic of Hand, Hip and Knee Surgery, Regional Hospital West Jutland, Holstebro; Danish Ramazzini Centre, Department of Occupational Medicine , Aarhus University Hospital, Aarhus; Danish Ramazzini Centre, Department of Occupational Medicine, Regional Hospital West Jutland - University Research Clinic, Herning; University Clinic of Hand, Hip and Knee Surgery, Regional Hospital West Jutland, Holstebro
Background: There are no published studies concerning
return to work and disability after
trapeziometacarpal (TM) total joint
arthroplasty in patients of working age.
Purpose / Aim of Study: To determine the influence of occupational
mechanical exposures on the prognosis
after TM total joint arthroplasty with respect
to return to work and patient-rated disability,
hypothesizing that occupational mechanical
exposures are negative prognostic factors.
Materials and Methods: The study is a register- and questionnaire
based follow-up study of 239 patients aged
39-65 years (mean age 55 years), who were
operated with a TM total joint arthroplasty in
the period 2003-2015. Data concerning
DASH, VAS and grip strength before the
operation and 3 and 12 months
postoperatively was combined with
information about labour market attachment
from the Danish National Register on Public
Transfer Payments. The patients’ self-
reported job title was linked to a job
exposure matrix to obtain estimates of
occupational mechanical hand-arm
exposures. Uni- and multivariable Cox and
Poisson regression models were used.
Findings / Results: A high DASH score before operation was
associated with less chance of clinical
relevant improvement in DASH 12 months
after surgery. 127 patients were listed as
active on the labour market at the time of
surgery. Of these, 49% returned to work
within 15 weeks, and 12 months after
surgery 91% had returned. Forceful work
was a predictor of later return to work.
Conclusions: The prognosis after TM total joint
arthroplasty with respect to return to work
and disability is generally good. High
occupational mechanical exposures are
associated with prolonged sick leave.
Knowledge of the patient’s occupational
exposures is necessary for conveying
realistic expectations regarding the time
needed off work postoperatively.
51. High revision rates of both cementless and cemented MOTEC total joint arthroplasty in patients with osteoarthritis of the trapeziometacarpal joint
Larsen Lotte Priess, Kirkeby Lone, Dremstrup Lene, Stilling Maiken, Hansen Torben Bæk
University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark; University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark; University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark; University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark; University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark
Background: Total joint arthroplasty (TJA) of the
trapeziometacarpal joint gives faster
rehabilitation and better grip strength than
trapeziectomy in younger working
patients, but high failure rates have so far
limited the use of TJA. However new
cementless implants and cup designs
strives to improve implant survival
compared to previous cemented implants.
Purpose / Aim of Study: To compare the survival of a trapezium
cup design with a collar and a high
rotation point (MOTEC, Swemac AB) in a
cemented and a cementless version in
TJA as treatment in trapeziometacarpal
osteoarthritis.
Materials and Methods: In a prospective cohort study, we
compared the implant survival of 23
cementless titanium cups in 22
patients mean age 61 years (range 45-
72) M/F 0.44, with 52 cemented
(Palacos Gentamycine bone cement)
polyethylene cups in 48 patients mean
age 62 years (range 48-77), M/F 0.30.
The patients in the two cohorts were
consecutively included in the period
August 2009 - October 2010
(cemented) and November 2010 –
June 2012 (cementless).
Findings / Results: In the cementless cups we found an
overall revision rate of 0.43 after a mean
observation time of 101 months (min 97).
In the cemented cups we found an overall
revision rate of 0.35 after a mean
observation time of 82 months (min 72).
One patient was revised due to infection,
one due to luxation, one patient in the
titanium group due to fear of metallosis
and the rest due to aseptic loosening.
There was no significant difference in
survival rate when compared using a
Kaplan Meier plot.
Conclusions: We found an unacceptable high revision
rate regardless of using cementless or
cemented fixation technique in this implant
design. The implant stability seems to be
negatively affected by the horizontal
forces through the joint in grip and
pinching due to the high rotation point
combined with the collar.
52. Low preoperative bone mineral density does not increase cup migration at 2 years followup but is associated with revision of total joint trapeziometacarpal arthroplasty
Maiken Stilling, Sebastian Breddam Mosegaard, Lene Dremstrup, Lone Kirkeby, Lotte Priess Larsen, Torben Bæk Hansen
Department of Orthopaedics, Holstebro Regional Hospital; Department of Orthopaedics, Holstebro Regional Hospital; Department of Orthopaedics, Holstebro Regional Hospital; Department of Orthopaedics, Holstebro Regional Hospital; Department of Orthopaedics, Holstebro Regional Hospital; Department of Orthopaedics, Holstebro Regional Hospital
Background: Cup failure in total trapeziometacarpal
joint arthroplasty (TMJA) may be
related to surgeon, implant and patient
factors. We suspected that low
trapezium bone mineral density (BMD)
could increase implant migration and
revision risk.
Purpose / Aim of Study: To evaluate the predictive value of
trapezium BMD for cup migration until
2 years followup and/or cup revision
due to aseptic loosening at any time
point.
Materials and Methods: In a prospective cohort study we
followed 204 patients (160 female) at
mean age 58 years (range 42-76) with
press-fit Moovis cup/dual-mobility
articulation (n=134) or cementless
Elektra screw-cup/metal-on-metal
articulation (n=68). Preoperative
trapezium BMD was measured with
an “inner-elipse” measurement that we
have formerly described and validated.
Patients were followed postoperative,
3, 12, and 24 months with radiostereometry
radiostereometry (RSA). A statistical
regression model with adjustment for
age and sex was used for prediction.
Findings / Results: Trapezium BMD did not predict cup
subsidence or total cup translation until
2 years in any of the cup groups
(p>0.64). Patients that were revised
had 0.11 g/cm2 less preoperative
trapezium BMD than patients who
were not revised (p=0.027). Patients
with osteopenia/osteoporosis (n=57)
had 0.11 mm more cup subsidence at
2 years followup (p=0.04) but no
increased revision risk (p=0.37). There
was no effect of cup subsidence or
total cup translation on risk of revision
(p>0.24).
Conclusions: Preoperative trapezium BMD did not
predict cup migration at 2 years, and
we could not establish a cut-off value
for acceptable preoperative trapezium
BMD for TMJA. However, patients with
preoperative osteopenia/osteoporosis
had more cup-subsidence at 2 years,
and revised patients had less
preoperative trapezium BMD indicating
that bone quality may influence the risk
of aseptic loosening of the implant.
53. Influence of high occupational mechanical exposures on the risk of failure of trapeziometacarpal total joint arthroplasty
Lone Kirkeby, Poul Frost, Susanne Wulff Svendsen, Torben Bæk Hansen
University Clinic of Hand, Hip and Knee Surgery, Regional Hospital West Jutland, Holstebro; Danish Ramazzini Centre, Department of Occupational Medicine , Aarhus University Hospital, Aarhus; Danish Ramazzini Centre, Department of Occupational Medicine, Regional Hospital West Jutland - University Research Clinic, Herning; University Clinic of Hand, Hip and Knee Surgery, Regional Hospital West Jutland, Holstebro
Background: The influence of high occupational
mechanical exposures on implant failure in
trapeziometacarpal (TM) total joint
arthroplasty in patients of working age is
unclear.
Purpose / Aim of Study: To determine the prognosis after TM total
joint arthroplasty with respect to risk of
revision, hypothesizing that occupational
mechanical exposures are negative
prognostic factors for implant survival.
Materials and Methods: A follow-up study of 239 patients aged 39-
65 years (mean age 55 years), who were
operated with a TM total joint arthroplasty in
the period 2003-2015. Information on job
title was obtained preoperatively. Type of
implant was registered and labour market
attachment at the time of surgery was
informed from the Danish National Register
on Public Transfer Payments. Job titles
were linked to a job exposure matrix to
obtain estimates of occupational mechanical
hand-arm exposures. Information on
revision was registered. Time until revision
was analysed using Cox regression models.
Findings / Results: Within a total of 850 person-years of
observation, 54 out of 239 implants were
revised due to failure. Higher revision rates
were found in the early part of the inclusion
period. Implant fixation
(cemented/cementless) was not a predictor.
The HR for the highest level of forceful work
was 1.5 (95% CI 0.6-4.1) compared to work
with low force requirements. For patients
outside the labour market, the HR was 3.0
(95% CI 1.3-6.9).
Conclusions: There is still a relative high risk of implant
failure after TM total joint arthroplasty.
Forceful work did not statistically significant
increase the risk. Patients outside the
labour market and under 66 years old had a
higher risk indicating that other factors also
may influence implant survival. Larger
studies are needed to rule out risk of failure
in relation to forceful work.
54. Total joint arthroplasty provides faster rehabilitation and grip strength than trapeziectomy in younger working patients with osteoarthritis of the trapeziometacarpal joint but not in elderly patients
Larsen Lotte Priess, Kirkeby Lone, Dremstrup Lene, Stilling Maiken, Hansen Torben Bæk
University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark; University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark; University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark; University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark; University Clinic for hand, hip and knee surgery, Regional Hospital Holstebro, Aarhus University, Denmark
Background: Both trapeziectomy and total joint
arthroplasty are well established operative
treatments in osteoarthritis of the
trapeziometacarpal joint (TMCJ), but so
far, the possible benefits in functional
outcome from choosing one type of
treatment over the other have only been
compared in very few studies.
Purpose / Aim of Study: To compare the functional outcome of
trapeziectomy with total TMCJ
arthroplasty as treatment in
trapeziometacarpal osteoarthritis.
Materials and Methods: In a matched cohort study, we compared
27 patients at mean age 63 years (range
51-75) treated with trapeziectomy with 27
patients at mean age 61 years (range 51-
72) treated with Moovis (Stryker) total
TMCJ arthroplasty. The two groups of
patients were matched on gender, age,
DASH score and preoperative labour
market status. All patients were evaluated
preoperatively and after 3 and 12 months.
Findings / Results: At 3 months, the patients treated with
TMCJ arthroplasty had less pain at
rest and activity and better grip
strength (p<0.01) as compared with
trapeziectomized patients. At 12
months, we found no difference
between the two groups in DASH, pain
or grip strength.
In the subgroup of working patients
below 67 years of age (n=13 per
group), which were mean 58.5 years
(range 51-66), treatment with TMCJ
arthroplasty provided better grip
strength, lower DASH score, and less
pain at 3 months as compared to
trapeziectomy (p<0.01). However, at
12 months followup, only grip strength
was superior in patients treated with
TMCJ arthroplasty (p<0.01).
Conclusions: In working patients below 67 years TMCJ
provides faster rehabilitation, better grip
strength and less pain compared to
treatment with trapeziectomy. In elderly
patients or patients with no labour
obligations TMCJ arthroplasty may be
reserved for patients with a high activity
level due to the risk of implant failure and
revision.
55. Fixation of the 1st metacarp with semiflexible fiber wire after trapeziectomy: a pilotstudy
Anne Skinnerup, Hanne Jacobsen, Tove Møl Christensen, Steen Olesen, Marianne Vestermark
Ortopædkirurgisk afdeling, Regionshospitalet VIborg, HEM; Fysio- og ergoterapi, ortopædkirurgisk afdeling, Regionshospitalet VIborg, HEM; Fysio- og ergoterapi, ortopædkirurgisk afdeling, Regionshospitalet VIborg, HEM; Ortopædkirurgisk afdeling, Regionshospitalet VIborg, HEM; Ortopædkirurgisk afdeling, Regionshospitalet VIborg, HEM
Background: Trapeziectomy is a common treatment for
arthrosis of the carpometacarpal joint
of the thumb. This can lead to
instability and reduced strength of the
thumb. The minimal invasive procedure of
suture-button suspensionplasty (SBS) may
address the issue of instability after
trapeziectomy.
Purpose / Aim of Study: To evaluate patient satisfaction and
functional outcome of trapeziectomy
combined with SBS in a prospective
cohort-study.
Materials and Methods: 13 patients with arthrosis of the
carpometacarpal joint of the thumb were
included. All underwent trapeziectomy
and SBS, where a semi-flexible buttoned
fiber-wire was inserted between the
basis of the 1st and 2nd metacarpal.
Clinical outcome was evaluated by PROM
(quick-DASH questionnaire) and two
functional tests: Strength (kg) of key
grip and tip-tip grip. The data was
collected preoperatively and at
follow-up at 6 and 12 months. The
unaffected thumb and the preoperative
data served as control.
Findings / Results: Preoperatively, we found significantly
lower strength in the affected thumb.
Strength did increase, but not
statistically significant, after 6 or 12
months.
On the other hand, patient satisfaction
was increased with a quick-DASH
reduction of 18,67 points after 6 months
and 15,34 points after 12 months.
Conclusions: The procedure significantly improved
patient satisfaction. This study
suggests a possibly clinically relevant
improvement in thumb-strength. It is,
however, not statistically significant,
possibly due to a high variation of data
and a small number of included patients.
This results warrants a full size study
and the inclusion of patients and
collection of data is ongoing.
56. Arthroscopically assisted bone grafting reduces time to healing of scaphoid non-unions compared to percutaneous screw fixation alone.
Robert Gvozdenovic, Stig Joerring, Rasmus Wejnold Joergensen, Claus Hjort Jensen
, Herlev-Gentofte University Hospital of Copenhagen, Department of Orthopedics, Hand Surgery Unit; , Herlev-Gentofte University Hospital of Copenhagen, Department of Orthopedics, Hand Surgery Unit; , Herlev-Gentofte University Hospital of Copenhagen, Department of Orthopedics, Hand Surgery Unit; , Herlev-Gentofte University Hospital of Copenhagen, Department of Orthopedics, Hand Surgery Unit
Background: Minimally invasive techniques have been
recommended in the treatment of painfull but
stable scaphoid non-unions.
Purpose / Aim of Study: The purpose of this study was to determine if
arthroscopically assisted bone grafting gave
superior results in healing comparing to
percutaneous screw fixation.
Materials and Methods: 164 consecutive patients with scaphoid
non-unions were retrospectively analyzed.
148 were treated with the open grafting
techniqes either with iliac or distal radius
bone, leaving 16 patients treated with
minimally invasive surgery. In the group
treated percutaneously (n=8), the time from
injury to surgery was 2,3 months (range 2 –
4 months) and it was 27,3 months (range 3-
180 months) in the arthroscopic group
(n=8). The mean age was 42,5 years in the
percutaneous group, 22 years in the
arthroscopic, (range 20-66) / (range 16-32),
respectively. In all cases, the Mini Acutrac
headless fully threaded compression screw
was used. Healing was assessed clinically
and radiographically at a minimum follow-
up of 12 weeks (range 4-56 weeks). Data
were calculated with two-tailed Mann-
Whitney U test based on p-value of p<0.05
which was considered statistically
significant.
Findings / Results: We recorded no complications in any of the
groups. All patients treated arthroscopically
received cancellous bone grafting from the
distal radius. They healed at median of 7,8
weeks (range 5-18). 7 patients in the
percutaneous group healed at mean of 10,8
weeks (range 7-24). Mann Whitney U test
showed the u value of 11, the critical value of U
to be 13 (p<0.05), thus significantly faster
healing in the arthroscopically treated group.
Conclusions: Arthroscopically treated patients achieved
faster healing. Local bone grafting is
considered as the main reason for this
outcome. Younger population in the
arthroscopically treated group may influenced
the result.
57. Translation and Validation of the Southampton Dupuytren Scoring Scheme
Lærke Vig Lannov, Rasmus Wejnold Jørgensen, Claus Hjorth Jensen
Hand Clinic, Department of Orthopedics, Herlev-Gentofte University Hospital of Copenhagen; Hand Clinic, Department of Orthopedics, Herlev-Gentofte University Hospital of Copenhagen; Hand Clinic, Department of Orthopedics, Herlev-Gentofte University Hospital of Copenhagen
Background: A Danish validated Patient Reported
Outcome Measure (PROM) specific to
Dupuytren’s Disease (DD) does currently
not exist.
Such a PROM would be useful in the overall
assessment of DD patients.
Purpose / Aim of Study: The aim of the study was to translate the
Southampton Dupuytren Scoring Scheme
(SDSS) into Danish and validate the
translated version of the PROM.
Materials and Methods: The SDSS was translated by 5 clinicians
according to guidelines by Swaine-Verdier
et. al.
110 patients diagnosed with DD completed
the translated PROM and were asked to
indicate if the PROM accurately and
adequately described the inconveniences
they experience due to DD. The severity of
DD was assessed clinically using the
Tubiana classification method.
16 patients treated with collagenase
injections were re-evaluated with SDSS and
Tubiana min. 4 weeks post-operatively.
Reliability of the SDSS was tested in terms
of internal consistency expressed as
Cronbach’s alpha and test-retest expressed
as an intraclass correlation coefficient.
Spearman’s rank correlation coefficient was
calculated for SDSS and Tubiana in order to
validate the construct of SDSS against
clinical evaluation of severity of the disease,
and responsiveness of the PROM was
tested using point-biserial correlation and
standardized response mean.
Findings / Results: The overall Cronbach’s alpha was 0.758
and the intraclass correlation coefficient was
0.816 (CI 95%: 0.533-0.927, P<0.0001).
Spearman’s rank correlation coefficient was
0.55 (P= 0.007) preoperatively and 0.387
(P=0.139) postoperatively. The standardized
response mean was 1.96 (95% CI: 1.42-
2.48), point-biserial correlation coefficient
was 0.520 (P=0.039).
Conclusions: The SDSS shows great reliability,
substantial responsiveness to change, and
a high level of patient-approval and is
therefore recommended to be used for
patients with DD.
58. Phalangeal fractures of the hand
Paula Engel, Elisabeth Brogren, Lars Dahlin, Henrik Søe, Stig Brorson
Department of Orthopaedic Surgery, Nordsjællands Hospital; Department of Hand Surgery, Lund University; Department of Hand Surgery, Lund University; Department of Hand Surgery, Herlev and Gentofte Hospital ; Department of Orthopaedic Surgery, Sjællands University Hospital
Background: Phalangeal fractures are common at all
ages. Although often considered as minor
injuries, the correct treatment can be
challenging. Especially for younger doctors
in emergency rooms or general
practitioners, it may be difficult to decide
which fractures have to be referred to an
orthopaedic or hand surgeon.
Purpose / Aim of Study: Our aim was to provide a simple guideline
for treatment of the most common finger
fractures and dislocations.
Materials and Methods: We conducted a narrative review. Eighty-
nine papers were identified from a PubMed
search combining the MeSH-terms “fingers”,
“fractures”, “bone” and “finger injuries”. We
added the search terms “paediatric
fractures”, “UCL-lesions” and “mallet finger”.
We included meta-analyses, systematic
reviews, randomised and non-randomised
clinical trials from the past 10 years. Case
studies were excluded. Thirty papers were
retrieved in full text and included in the
review.
Findings / Results: While stable, extra-articular fractures often
can be treated non-operatively with closed
reduction and buddy-taping, surgical fixation
should be considered for unstable and
displaced extra-articular fractures and most
intra-articular fractures. The choice of
treatment should aim at early, active
mobilization in order to achieve optimal
functional outcome.
Conclusions: Intra-articular fractures, fractures with
concomitant ligament lesions, PIP joint
fracture-dislocations, open fractures and
certain paediatric fractures can lead to
stiffness and poor functional outcome and
should be referred to a hand surgeon.