Cases Describing Combined Pulley Rupture and Flexor Digitorum Superficialis (FDS) Avulsion
| Variable | Vandeputte and Dubert, 20018 | Johnsen et al, 20149 | Current Case |
|---|---|---|---|
| Age, years/sex | 48/M | 56/M | 58/M |
| Occupation | Office worker | NR | Diesel mechanic |
| Digit involved | Right ring | Right long | Left long |
| Hand dominance | Right | NR | Right |
| Inciting event | Contact against closed fist | Releasing bowling ball | Lifting brick |
| Pulleys involved | A2, A3, A4 | A2, A3 | A2, A3, A4 |
| FDS retraction | Distal palmar crease | Proximally | Midpalm |
| PIP flexion contracture, degrees | 50 | Not present | 55 |
| Preoperative PIP ROM, degrees | 50-80 | 0-70 | 60-100 |
| Time to surgery | 3 months | 17 days | 9 months |
| FDS resected? | Yes | Yes | Yes |
| Pulleys reconstructed | A2 (PL), A4 (PL) | A2 (PL Weilby), A3 (PL) | A2 (PL triple loop), A4 (split FDP double loop) |
| Postoperative PIP active ROM, degrees | 20-85 | 0-90 | 0-5 |
| PIP active ROM at longest follow-up, degrees | 10-90 (5 months) | 10-100 (15 months) | 0-20 (3 months) |
A2, A3, A4, annular 2, annular 3, annular 4 pulleys; FDP, flexor digitorum profundus; M, male; NR, not reported; PIP, proximal interphalangeal joint; PL, palmaris longus tendon graft; ROM, range of motion.