A case of percutaneous minimally invasive pedicle screw internal fixation of a lumbar fracture

       History: Patient Li, female, 51 years old, from Yangpu district, Shanghai. 11 days ago, she fell and landed on her buttocks, with post-injury lumbar pain and limited movement. She was admitted to our hospital for emergency treatment. CT of the lumbar spine showed a compression fracture of the lumbar 2 vertebrae and lumbar degeneration. He was treated with pain relief and bed rest, but his symptoms did not ease. He was admitted to the hospital with “lumbar 2 vertebral compression fracture”. Other diseases: Shanghai Changhai Hospital spine surgery He Da for hypertension, diabetes.  Drugs still being taken before admission: Irbesartan Hydrochlorothiazide Tablets 12.5mg/day, Lercanidipine Hydrochloride Tablets 10mg/day, Bisoprolol Fumarate Tablets 2.5mg/day, Repaglinide 2mg*3 times/day, Metformin 0.85mg*3 times/day.  Past history: general health condition, history of hypertension for more than 20 years, history of diabetes mellitus for more than 10 years, therapeutic drugs in service, blood pressure control is possible, blood sugar control is average. He denied history of coronary heart disease, typhoid fever, tuberculosis, hepatitis, etc. He underwent total hysterectomy for endometrial cancer in 2005 and anterior cervical subtotal titanium mesh plate graft fusion internal fixation for cervical spondylosis in 2014. He denied history of other surgeries and trauma, blood transfusion and food and drug allergy, and vaccination history was unknown. Personal history, marital history, family history, etc. were not seen as special.  Specialized physical examination: slow admission to the ward, painful face, lumbar pressure pain +, lumbar 2 vertebral spine pressure pain +, lumbar mobility significantly limited.  Auxiliary examination: lumbar spine CT (2015-11-23) our hospital: lumbar 2 vertebral body compression fracture, mild degeneration of the lumbar spine.  Lumbar spine positive and lateral radiographs (2015-12-2) our hospital: lumbar 2 vertebral body compression fracture, lumbar spine degenerative changes.  Diagnosis: 1. lumbar 2 vertebral compression fracture; 2. hypertension; 3. type 2 diabetes mellitus; 4. postoperative cervical spine; 5. post-total hysterectomy Proposed surgery: lumbar posterior percutaneous minimally invasive fracture repositioning pedicle screw internal fixation Surgical procedure: Professor He Dawei searched for bony markers for preoperative localization of the injured vertebrae, and after initial localization, the C-arm machine was used to further precisely localize the injured vertebrae and the proposed surgical site Surgical instrumentation: percutaneous Minimally invasive puncture and needle guide system was used to mark the skin surface after precise positioning, and the operation was started after disinfection and towel laying. Four screws were inserted, the connecting rods were placed, and the nuts were locked. The surgery was completed.  Operative time: 90 minutes After the operation, the patient was sent to the awakening room with cardiac monitoring for awakening care, and returned to the ward after 20 minutes.  Postoperative care: The patient was advised to turn in axial position, given lansoprazole to protect the gastric mucosa and cefuroxime to prevent infection, regular change of medication after the injury, monitoring blood pressure and blood glucose, and continuing the treatment of underlying diseases under the original plan.  On the second day after the operation, the patient complained that the pain disappeared and the strength of the lumbar spine and both lower limbs increased. He was able to get out of bed under the protection of lumbar girth. The patient was discharged on the third postoperative day, as the wound had healed well and no redness, swelling or exudate was seen.