THE WRIST JOINT: ATHLETIC INJURIES

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1 THE WRIST JOINT: ATHLETIC INJURIES Gianni Rigoni FMH Handsurgery SSMS Wrist unity The wrist links the hand to the forearm 1

2 Anatomy Bone V IV III II T H C Tid T I P L S U R Anatomy Intrinsic ligament 2

3 Anatomy Triangular fibrocartilage(tfc) Anatomy Volar capsular ligament 3

4 Anatomy Dorsal capsular ligament Anatomy dorsal capsular ligament (extensor retinaculum) 4

5 Wrist injuries Sprain and Fracturs Indirect injury in flexion-extension extension ulno-radial duxion pro - supination or combined with strong velocity and power Wrist injuries Dinamic: sprain-fractur Hyperextension injury 5

6 Swelling Wrist injuries Physical examination Compare with the whole side Ematomi! Wrist injuries Diagnostic problem Easy in serious and obvious pathologys Difficult in hidden pathologys! 6

7 Wrist injuries Physical examination activ movement Flexion and extension ulno-radiale duxion Wrist injuries Physical examination activ movement prono-supinazion 7

8 Wrist injuries find the painfull point Roentgenographic approach 8

9 Roentgenographic approach Standard posteroanterior view (PA) Linee di Gilula Roentgenographic approach Standard lateral view C L R 9

10 Further instrumental esamination Arthrography (mono, bi or tricompartimental) Conventional tomography (CT) and CT- arthrogaphy Magnetic resonance imaging (MRI) Ultrasound Arthroscopy Instrumental examination specific vor bone tissue Radiography CT MRI 10

11 Instrumental examination specific vor ligament Indirect - Arthrogrgaphy - Arthro CT - Arhtro MRI Direct - MRI - Arthroscopy Most frequently Injuries of the Wrist Bone Injuries - Carpal Scaphoid Fracture - Distal Radius Fracture - Hook of Hamate Fracture - Lunate Fracture Ligament Injuries - Scapho Lunate Rupture - Luno Triquetral Rupture - Midcarpal Instability - Dislocation af the carpus - Perilunate dislocation - Distal Radioulnar Joint and Triangular Fibro-cartilage Complex 11

12 Carpal Scaphoid Frature (CSF) - The most common,, 70% of all carpal fractures - The most problematic -in the Diagnosis -in the Traetament Carpal Scaphoid Bone Fractur Biomechanic lunatum 12

13 Carpal Scaphoid Bone Fracture Biomechanic Trauma in more then 90 degrees of Hyperextension and 10 d. of radial Deviation Carpal Scaphoid Bone Fracture Diagnosis: Physical Examination - Tenderness in the anatomic snuffbox - Decreased range of motion - Pain with dorsiflexion - (Swelling) 13

14 Carpal Scaphoid Bone Fracture Diagnosis: conventional radiology! Carpal Scaphoid Bone Fracture Diagnosis: conventional radiology 14

15 Carpal Scaphoid Bone Fracture Diagnosis: Conventional radiology MONTHS LATER NON UNION Carpal Scaphoid Bone Fracture Diganosis: : CT Scaphoid Bone Fractur: NON UNION (PSEUDOARTHROSIS) 15

16 Carpal Scaphoid Bone Fracture Classification Classic Herbert s classification HO = horizontal fracture T = transversal fracture VO = vertical frcture Carpal Scaphoid Bone Fracture Diagnosis Any contact-sport athlete who as radial wrist pain should be considered to have a scaphoid fracture until proven otherweise In cases of clinical suspicion MRI studies is necesery 16

17 Carpal Scaphoid Bone Fracture Treatment If the fracture are stable - Cast until healed : 3 month - Cast plus use of a playin cast/splint splint - Operation with internal fixation If the fracture are are instable - Operation with internal fixetion Carpal Scaphoid Bone Fracture Treatment vor profesional athlete Open reduction and and internal fixation Advantage Riturn to sport after 6 weeks (with cast w) Less rate of nonunion 17

18 Carpal Scaphoid Bone Fracture ideal treatement After 8 weeks Ligament injury The most common and most problematic Scapholunate injuries Lunotriquetral injuries Scafotriquetral injury Midcarpal instability Dislocation of the carpus Distal radioulnar joint (DRG) and triangular fibrocartilage complex injuries (TFC) 18

19 Scapholunate rupture Dinamic Hyperextension trauma and ulnoradial load Scapholunateligament rupture Diagnosis: Physical examination - Tenderness of scafolunate area - Decreased range of motion - (Swelling) - Positive Watson Test 19

20 Scapholunate rupture Diagnosis: physical examination. Verticalizzazione dell osso navicolare Watson Test Sccapholunate rupture: Diagnosis conventional radiology Distance > 6mm 20

21 Scapholunate rupture: Diagnosis Arthrography (indirect evaluation) Scapholunate rupture: Diagnosis CT-arthrography (indirect evaluation) 21

22 Scapholunate rupture: Diagnosis RM-artrhographie ( indirect and direct) Ecogradiente (evidenzia il contrasto) T1 (dettagli anatomici) Scapholunate rupture: Diagnosis Arthroscopy (direct evaluation) 22

23 acute Scapholunate rupture: Treatment Complete open ripair with augmentetion using a portion of scafotriquetral ligament Incomplete arthroscopyc shrinkage Scafolunate rupture acute with bone detach Treatement: operation 23

24 chronic Scapholunate rupture treatement Recontruction of S-L S L ligament - bone-ligament ligament-bone (oteoligamentoplastic) - transossäre re fiation with ligament augmentation Bat: : 1) long athletic activity interruption 2) bad prognosis 3) risk to interrupt the athletic activity Cronic scapholunate rupture: Bone-ligament ligament-bone repair 24

25 Cronic scapholunate Ligament fixation (Taleisnik) Scapholunate repair: Risult 25

26 Triangular fibrocartilage (TFC) TFC Stabilizer of distal radioulnar joint (DRUJ) DRUJ TFC anatomy ulnotriquetral and ulnoamate ligament Ulnotriquetral ligament Ulnolunate ligament 26

27 TFC anatomy: dordsal and palmar ligament Dorsal radioulnar ligament Palmar radioulnar ligament TFC anatomy: ECU compartement ECU 27

28 TFC injury Acute traumatic events involve axial load- bearing with rotational stress Overuse Repetitive trauma TFC injury Diagnosis Anamnesis Differentilal diagnosis Physical examination Imaging studies Arthroscopy 28

29 TFC injuries Dianosis: physical examination Tenderness between the pisiform and ulnar stiloid on the ulnarborder of the wrist Distal radio ulnar joint instability (piano key sign) TFC injuries Diagnosis: imaging studies Tricompartiment Wrist arthrogram MRI arthrogram (high resolution) CT scan in neutral and pronation and supination Wrist arthroscopy 29

30 TFC Injuries Diagnosis: arthroscopy Advantage - Diagnostic - Therapeutic TFC injuries Diagnosis and Treatement The physician treating high level athletes may consider a more aggressiv approach to the patient with suspected TFC/DRUJ injury 1) If 2) If If DRUJ intability is demonstrated, early intervention with arthroscopy (TFC repair) If DRUJ is stable and symtoms are present for 2 weeks, arthroscopy is indicated 30

31 TFC injuries acute Artrscopic diagnosis CLASSIFICATION OF TFCC TEARS (Palmer( Palmer) 1A ( traumatic tears of the central articular disc) 1B (peripheral( TFC at the ulnar insertion) 1C (distal to ulnolunate-ulnotriquetral ulnotriquetral lig.) 1D (lesion( at the radial insertion) TFC injuries acute Palmer 1A 31

32 TFC injuries acute Palmer 1B TFC injuries acute Palmer 1C 32

33 TFC injuries acute Palmer 1D TFC acute injuries Treatement Palmer 1A: arthroscopic debridement Palmer 1B: artroscopic repair Palmer 1C: repair of ulnocarpal ligaments open or arthroscopicaly Palmer 1D: arthroscopic repair (?) 33

34 Lunotriquetral injuries Dinamic Lunotriquetral ligament Extension trauma and radial devation Physical examination luno-triquetral instability(lt) Lunotriquetral ballottement (Reagan s) 34

35 Lunotriquetral injuries Diagnosis Ulnarsided wrist pain Weakness Giwing way Click sound Tenderness over the lunotriquetral ligament Lunotriquetral shear test positiv Lunotriquetral injuries Diagnosis Arthrography (?) Magnetic resonanz Most definitivediagnostic tool are the arthroscopy 35

36 Lunotriquetral injuries Therapy Acute Cronic: surgical option immobilisation (Healing in 80% of cases) - arthroscopic lunotriquetral ligament debridement - lunotriquetral ligament augmentation plastic - lunotriquetral arthrodesis Perilunate dislocation - Significant trauma - Significant swelling and decreased rage of motion - Excessive radiocarpal hyperextension and ulnar ddeviation plus intercarpal supination Disruption of ligament: - Scapholunate - Lunotriquetral - Capitolunate volar 36

37 Perilunate dislocation Diagnosis Perilunate dislocation Diagnosis 37

38 Perilunate dislocation Treatement: surgery Perilunate dislocation Result 38

39 Hook of the Hamate Fracturre Incidence 2%-4% aall ccarpal fractures Direct trauma (by( abutement of the hook on an object ) Tenderness over the hook Diagnosis: -conventional radiology -CT scan Lunate Fracture Dinamic with hyperextension trauma and ulnar load is rare adequate trauma tenderness of the lunate In combination with avascular necrosis (Kienbök) Diagnosis: - conventopnal radiology - CT 39

40 Lunate fractures Diagnosis Lunate fracture Treatement 40

41 Lunatum Fracture Result Grazie mille per l ascolto MD G. Rigoni Via St. Anna cp 16 CH-6924 Sorengo 41

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