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Table 5 Clinical studies evaluating outcome and complications of hook plate fixation for mallet fracture

From: Functional outcomes and complications of hook plate for bony mallet finger: a retrospective case series study

Authors Number of patients Surgical indication Results
Mean follow up Mean DIP Flexion Mean DIP extension loss Crawford Criteria
EGFPa %
Other evaluation methods Complications Implant removal
Teoh and Lee (2007) [6] 9 Fractures > 1/3 articular surface w/ subluxation distal phalanx 17 (6–37) months 64o (range 60o–70o) 0o E44, G56% Warren and Norris 100% success 3 nail deformity 0
Kanthan Theivendran et al. (2007) [5] 1 DIP jpint avulsion fracture w/ volar subluxation 6 months 70o 8o G:100% DASH: 0 point 0 0
Szalay et al. (2011) [7] 59 Doyle IVb with displacement > 2 mm 38.3 (3–69) months 77o 7o b very good in 85%, good in 9%, and bad in 7% 7 nail deformity; 2 skin perforations 14
Serdar Toker
Et al (2015) [8]
6 >  25% articular
Surface
12.7 (3–26)months 80o 5o E:33% G:33% F:33% VAS 7.5 b > 2.0 1 partial skin necrosis and delayed wound healing 0
M. A. Acar1
Et al (2015) [9]
13 >  1/3 articular surface >  12 months. 64o 3o E:61.5% G:38.5% VAS 0 3 nail deformity 0
Fábio Sano Imoto (2016) [16] 25 >  1/3 articular surface or volar subluxation 18 months 4 pt’(16%): limited flexion 7 pt’ (28%): limited extension E:40% G:60% 84%: no pain
16%: symptoms mild intensity.
0 0
Joyce Tie (2017)
[10]
31 DIPJ subluxation
>  30% fragment
8 ± 6 months 56o(range 30o–80o) Pre-op
22o(range 0o–50o)
Post-op
6o(range 0o–45o)
E: 29%
G: 26%
F: 39%
P: 6%
b 3 nail deformity; 3 fracture displacement;
3 skin flap ischaemia
22 (71%)
Andal Thirumalai (2017) [11] 35 >  1/3 articular surface 24 months 40o 5 o (F/U in 10 cases) b b 6 Nail deformity
5 Plate extrusion
14 (40%)
H. Vester (2018) [17] 38 >  1/2 articular surface with joint subluxation >  12 months b b b SF-36: 50 pointsc b 14 (37%)
  1. aCrawford Criteria EGFP, E Excellent, G Good, F Fair, P Poor
  2. b Not available
  3. c50 points is defined as the baseline of the mean score of predetermined population