| Objective: The injuries of collateral ligaments of the proximalinterphalangeal joint are common.Tt will casue chronic pain,instability or evenarthritis if treated inproperly.Method of Bunnell as a classical treatment haslonger recovery time and more complex workforce than the new way of boneanchor.With successful application on ligments repair,more and more studies onbiomechanics and clinic of bone anchors has been explored.We repaired theacute avulion of staring or ending point of collectural ligment of PIP with Minisuture anchor,and reconstructed the starting or ending point.With systematicreviews on varied effects,we achieved satisfactory results.Methods:From2011to2013,there were14patients with14fingers ofclosed avulsion injury of the Lateral Collateral Ligament of interphalangealjoint treated in our hospital.days of visiting from1to5,averaged2.2days.Thepatents with side or rotate violence complained the pain in thefinger.swelling,tenderness was seen on physical examtation.Besides,tilt anglewere greater than20°when did the side stress test under anesthesia,whaterflexion or extension.X-ray examination showed widen space between joint,withor without avulsion fracture.They were treated with implant of bone anchor tothe starting or ending point of the ligaments.Cast immobilization were used after operation.Ppractice started from the next day to prevent stiffness.Keepexercise with Removel of suture and plaster in2and3weeks.Call the patientsto follow-up within a certain period.When they visit the hospital, reviewincluding subjective satisfaction, swelling,pain,deformity,range of motion(ROM), lateral stresstest and X-ray examination,on which showing thedisposition of the anchor.At last,we used seatta criteria to assess the efficacy.Results: All the patients were followed up with a range from6months to15months,averaged10.7months.We got high subjective satisfaction.Whenchecking the finger,no pain,no deformity and stable as well as the otherside.ROM is70°to110°,with an average of91.4°.Pain and deformity were inremission within2months after surgery. It is stable when do the lateral stresstest.The bone is in position when review X-ray.According to seattacriteria,excellent in12cases,good in1case,fair in1case,the rate is92.8%.Conclusion: The bone anchor is expensive,and it’s reported that immunerejection,skin allergies and other risk may occur,but in our cases,there is nocomplication after surgery,and we got a good recovery.Compered to the classicmethod of Bunnell,bone anchor is converient and quick,which ia accepted byboth patient and the doctor.With a strong attachment,it allows the patients tomake an early exercise which is worthy of promotion. |
