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Surgical restoration of grasp control in tetraplegia

Reinholdt, Carina, 1968- (författare)
Göteborgs universitet, Institutionen för kliniska vetenskaper, sektionen för anestesi, biomaterial och ortopedi, Avdelningen för ortopedi, Gothenburg University, Institute of Clinical Sciences, Section for Anesthesiology, Biomaterials and Orthopaedics, Department of Orthopaedics
Göteborgs universitet Sahlgrenska akademin. Institutionen för kliniska vetenskaper, sektionen för anestesi, biomaterial och ortopedi, Avdelningen för ortopedi. 
ISBN 978-91-628-8613-4
2013
Engelska.
  • Doktorsavhandling (övrigt vetenskapligt)
Abstract Ämnesord
Stäng  
  • Surgical Restoration of Grasp Control in Tetraplegia Carina Reinholdt Department of Orthopedics/Hand Surgery, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden ABSTRACT Aim: The overall aim of this thesis was to improve the grasp and release function of patients with tetraplegia undergoing reconstructive hand surgery. In order to reach this objective, new and more cost-efficient surgical concepts with maintained patient safety were designed. Patients and methods: 112 individuals were assessed pre- and postoperatively on their pinch and grip strength, range of motion (ROM), hand opening , as well as a satisfactory score (COPM) (retrospective comparative studies I-IV) and dynamic electro-goniometry to assess spasticity (prospective pilot study V). Results: I: Selective release of tight interossei muscles in the hand (distal ulnar intrinsic release) increased the ROM up to 45 %. II: The alphabet procedure (a single-stage combination of procedures) reliably provided tetraplegic patients with pinch, grasp and release function after only one operation and one rehabilitation period. III: The extensor carpi ulnaris tenodesis corrected radial deviation deformity of the wrist joint and increased the grip strength by double. IV: Patients who underwent the alphabet procedure demonstrated significantly more grip strength and opening of the hand compared with patients, who had traditional grip reconstruction. Early active rehabilitation was particularly important after multiple simultaneous procedures. V: Dynamic electro-goniometry proved a feasible method to assess spasticity-reducing surgery by measuring joint angular velocity and repetitions per second. Together with COPM, these assessment points can be used to evaluate the outcome of surgery or non-operative spasticity treatments. Conclusion: This thesis reports development and refinement of several surgical techniques that individually and combined, facilitate the reanimation of grasp control in people with tetraplegia. Rebalancing of the hand by selective release and tendon lengthening techniques enables more favorable mechanical conditions for the forearm, wrist and finger actuators in patients with tightness and spasticity. Shorter total time in the operation room and for rehabilitation with preserved patient safety enforce the recommendation of applying these techniques.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Ortopedi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Orthopedics (hsv//eng)

Nyckelord

tetraplegia
tendon transfers
alphabet procedure
spasticity
grip and release
electrogoniometry
distal intrinsic release
ECU-tenodesis
grip strength
intrisic tightness
pinch strength

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Reinholdt, Carin ...
Om ämnet
MEDICIN OCH HÄLSOVETENSKAP
MEDICIN OCH HÄLS ...
och Klinisk medicin
och Ortopedi
Av lärosätet
Göteborgs universitet

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