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NCT07382193
This prospective cohort study evaluates functional outcomes of primary eight-strand flexor tendon repair in zone II without postoperative splinting in 40 adults (≥18 years) at Assiut University Hospitals. Patients undergo wide-awake local anesthesia no tourniquet (WALANT) surgery followed by immediate gentle active motion. Primary outcome: total active motion via Strickland score at 6 weeks and 6 months. Secondary: grip strength, DASH score, patient satisfaction.
NCT06836349
Flexor tendon injuries in the thumb occur across all ages and genders. Each year, approximately 400 patients undergo surgery for a flexor tendon injury in Sweden. These injuries are exclusively treated at one of the seven specialized hand surgery clinics, as the surgery is technically demanding, and postoperative rehabilitation is critical, specialized, and requires expertise from hand therapists. To prevent tendon adhesions and stiffness in the thumb or fingers, controlled active motion therapy is usually initiated within a few days after surgery. Studies on finger flexor tendon injuries have shown that early active movement therapy leads to better mobility compared to immobilization. Consequently, early active training is now the standard treatment following flexor tendon repair. However, during postoperative rehabilitation, the repaired flexor tendon may rupture, often necessitating revision surgery. The rupture rate after flexor tendon repair in the thumb is approximately three times higher than in other fingers (10% vs. 3%). While most studies on flexor tendon injuries focus on finger tendons, research on the outcomes of thumb flexor tendon injuries is limited. The biomechanics and anatomy of the thumb's flexor tendon differ significantly from those of finger tendons. The objective of this study is to determine whether the rupture rate following thumb flexor tendon surgery can be reduced by immobilizing the thumb in a cast for four weeks postoperatively, compared to standard early active motion therapy, without negatively affecting joint mobility and thumb strength. Additionally, the study will evaluate patient-reported outcomes one year post-surgery for both rehabilitation regimens (immobilization vs. mobilization). This study is a registry-randomized clinical trial (RRCT) involving five hand surgery clinics in Sweden. Data following randomization between the two rehabilitation protocols will be collected through follow-up in the Swedish National Hand Surgery Quality Registry (HAKIR).
NCT03752957
Primary repair for flexor tendon lacerations remain the standard of care. However, despite recent advances in knowledge of tendon healing, suture material, and post-operative protocols, outcomes have been reported as fair or poor in 7-20% of patients. Complications encountered include adhesion formation, development of joint contractures, tendon rupture, triggering, bow stringing and quadriplegia. Tendon surgery is unique because it should ensure tendon gliding after surgery Tendon surgery now can be performed under local anesthesia without tourniquet, by injecting epinephrine mixed with lidocaine, to achieve vasoconstriction in the area of surgery. This method allows the tendon to move actively during surgery to test tendon function intraoperatively and to ensure the tendon is properly repaired before leaving the operating table. Wide awake hand surgery is well described by its other name, WALANT which stands for wide awake local anaesthesia no tourniquet. The only two medications most patients are given for wide awake hand surgery are Lidocaine for anaesthesia and epinephrine for haemostasis. In the period before 1950, the belief developed among surgeons that epinephrine causes finger necrosis .The source of the epinephrine myth stemmed from the use of procaine (Novocaine). It was the only safely injectable local anaesthetic until the introduction of Lidocaine in 1948. More fingers died from procaine injection alone than from procaine plus epinephrine injection .no lost finger no case require phentolamine in many studies.
NCT02361814
The objective of this pilot study is to gain observational insight into potential preventive features of amniotic membrane transplantation in the adhesion formation after flexor tendon repair.