1.Medium term follow up outcomes of uncemented total hip arthroplasty for traumatic arthritis after intramedullary nail fixation of femoral intertrochanteric fracture.
Guan-Ming TIAN ; Pei LI ; Da-Wei BI
China Journal of Orthopaedics and Traumatology 2023;36(11):1026-1030
		                        		
		                        			OBJECTIVE:
		                        			To evaluate the effect of uncemented total hip arthroplasty(THA) on treatment of traumatic arthritis caused by intramedullary nailing interfixation of intertrochanteric fractures.
		                        		
		                        			METHODS:
		                        			Total of 22 patients treated with THA due to traumatic arthritis caused by intramedullary nailing interfixation of intertrochanteric fractures from January 2012 to January 2017 were studied retrospectively, including 10 males and 12 females with a mean age of (72.5±9.8) years old ranging from 61 to 84 years old. Initial internal fixation method:14 patients were treated with Gamma nails and 8 patients were treated wit PFNA.The time from internal fixation surgery to THA was 10 to 68 months with an average of (32.2±21.3) months.Harris scores of the hip joint before and after surgery were compared, and the position of the prosthesis through postoperative imaging at 3, 6, 12 months and the last follow-up were evaluated.
		                        		
		                        			RESULTS:
		                        			One patient was died due to heart failure 1 year after operation. Two patients was died to advanced tumor 2 years after operation. The other 19 patients were followed up for 36 to 64 months with an average of (48.5±11.9) months. At final follow up, 14 patients regained the ability to walk independently, 4 patients needed support of a cane, 1 patient needed assistance of a walker. No serious complications such as joint dislocation, periprosthetic fracture and deep venous thrombosis occurred during follow-up. There were no signs of loosening and subsidence of the prosthesis at the final follow-up. Mean Harris hip score increased from (29.2±12.9) points preoperatively to (74.2±11.2) points at the final follow up(P<0.05);the score was excellent in 9 patients, good in 7 and fair in 3.
		                        		
		                        			CONCLUSION
		                        			Uncemented total hip arthroplasty for traumatic arthritis after intramedullary nail fixation of femoral intertrochanteric fracture can significantly improve hip function and effectively avoid bone cement implantation syndrome. The medium-term effect is satisfactory.
		                        		
		                        		
		                        		
		                        			Male
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Aged, 80 and over
		                        			;
		                        		
		                        			Arthroplasty, Replacement, Hip/methods*
		                        			;
		                        		
		                        			Follow-Up Studies
		                        			;
		                        		
		                        			Treatment Outcome
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Bone Nails
		                        			;
		                        		
		                        			Hip Fractures/surgery*
		                        			;
		                        		
		                        			Fracture Fixation, Intramedullary/adverse effects*
		                        			;
		                        		
		                        			Arthritis/surgery*
		                        			
		                        		
		                        	
2.Augmenting locking plate with autologous bone graft for the treatment of nonunion of long bone fracture in the lower extremity with retaining of the original intramedullary nail.
Sheng-Rui WANG ; Jin-Yang YU ; Yu-Hao WANG ; Pei-Zhao WANG ; Hong-Lue TAN
China Journal of Orthopaedics and Traumatology 2023;36(12):1191-1195
		                        		
		                        			OBJECTIVE:
		                        			To explore clinical effect of attaching locking plate with bone grafting based on retaining the original intramedullary nail in treating non-union after intramedullary nail fixation of long shaft fractures of lower limbs.
		                        		
		                        			METHODS:
		                        			A retrospective study was conducted on 20 patients treated with non-union fractures after intramedullary nailing of long shaft fractures of lower limbs from June 2015 to June 2020. All patients were treated with the original intramedullary nailing and bone grafting from the iliac bone, and were underwent open reduction plate internal fixation and bone grafting for old fractures. Among them, 14 were males and 6 were females, aged from 35 to 56 years old with an average of (42.2±9.6) years old. Nine patients were femoral shaft fracture and 11 patients were tibial shaft fracture. According to characteristics of fracture end nonunion, 6 patients were stable/atrophic, 9 patients were unstable/large, and 5 patients were unstable/atrophic. The nonunion time ranged from 8 to 12 months with an average of(9.8±2.0) months after the initial surgery. Visual analogue scale (VAS), knee range of motion, bone healing time, complications and fracture-end healing were recorded before and at the latest follow-up.
		                        		
		                        			RESULTS:
		                        			All patients were followed up for 18 to 48 months with an average of (36.3±10.5) months. The incision of all patients were healed at stageⅠwithout complications such as infection or internal fixation ruptur. Healing time of femur and tibia was (8.5±2.6) months and (9.5±2.2) months. Knee joint motion increased from preoperative (101.05±8.98) ° to postoperative (139.35±8.78) ° at the latest follow-up (t=-12.845, P<0.001). VAS decreased from preoperative (5.15±1.72) to postoperative (0.75±0.96) at the latest follow-up (t=11.186, P<0.001).
		                        		
		                        			CONCLUSION
		                        			On the basis of retaining the original intramedullary nail, the addition of locking plate internal fixation and autogenous iliac bone grafting have advantages of simple operation, less trauma, fewer complications and high fracture healing rate. It is one of the effective surgical schemes for the treatment of nonunion after intramedullary nail fixation of long bone fracture of lower extremity.
		                        		
		                        		
		                        		
		                        			Male
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Bone Transplantation
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Bone Plates
		                        			;
		                        		
		                        			Fracture Fixation, Intramedullary/adverse effects*
		                        			;
		                        		
		                        			Femoral Fractures/complications*
		                        			;
		                        		
		                        			Lower Extremity
		                        			;
		                        		
		                        			Fractures, Ununited/surgery*
		                        			;
		                        		
		                        			Fracture Healing
		                        			;
		                        		
		                        			Tibial Fractures/complications*
		                        			;
		                        		
		                        			Bone Nails
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
3.A rare complication of pelvic perforation by an excessive medial slide of the helical blade after treatment of an intertrochanteric fracture with proximal femoral nail anti-rotation: A case report and literature review.
Xiao-Kun CHEN ; Jian XIONG ; Yi-Jun LIU ; Quan HAN ; Tian-Bing WANG ; Dian-Ying ZHANG
Chinese Journal of Traumatology 2022;25(2):118-121
		                        		
		                        			
		                        			Intertrochanteric fractures have become a severe public health problem in elderly patients. Proximal femoral nail anti-rotation (PFNA) is a commonly used intramedullary fixation device for unstable intertrochanteric fractures. Pelvic perforation by cephalic screw is a rare complication. We reported an 84-year-old female who fell at home and sustained an intertrochanteric fracture. The patient underwent surgery with PFNA as the intramedullary fixation device. Routine postoperative examination revealed medial migration of the helical blade that eventually caused pelvic perforation. We performed a cemented total hip arthroplasty as the savage procedure. At the latest follow-up of 12 months after total hip arthroplasty, the patient had no pain or loosening of the prosthesis in the left hip. Pelvic perforation should be considered when choosing PFNA as the intramedullary fixation device, especially in patients with severe osteoporosis wherein the helical blade can be easily inserted during the operation. The lack of devices to avoid oversliding of the helical blade in PFNA is an unreported cause of this complication and should be considered in such cases.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Aged, 80 and over
		                        			;
		                        		
		                        			Bone Nails/adverse effects*
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Femur
		                        			;
		                        		
		                        			Fracture Fixation, Intramedullary/adverse effects*
		                        			;
		                        		
		                        			Hip Fractures/surgery*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
4.Correlation between metabolic syndrome and adverse events after internal fixation of femoral intertrochanteric fracture in the elderly.
Zhong-Liang ZHANG ; Lin-Li FEI ; Jun-Wei FU ; Li FANG
China Journal of Orthopaedics and Traumatology 2021;34(10):901-905
		                        		
		                        			OBJECTIVE:
		                        			To explore the effect of metabolic syndrome on 15 days postoperative adverse events of femoral intertrochanteric fractures with internal fixation.
		                        		
		                        			METHODS:
		                        			From January 2011 to June 2019, 986 elderly patients with intertrochanteric fracture were treated with internal fixation, including 312 males and 674 females, with an average age of(77.71± 7.58) years old. And there were 97 patients with metabolic syndrome and 889 patients without metabolic syndrome. Through the electronic medical record system, the patient's age, gender, fracture type, cause of trauma, body mass index, smoking history, preoperative comorbidities, preoperative bloodtransfusion, operation timing, ASA classification, anesthesia method, internal fixation type, operation duration, and 15 days postoperative adverse events, which include surgical site infection, acute heart failure, acute respiratory failure, pulmonary infection, acute renal failure, DVT, embolism in important organs, urinary tract infection, death, and blood transfusion after surgery were collected. The differences of preoperative and intraoperative baseline datas and 15 days postoperative adverse events between the two groups were compared and analyzed by t text or univariate 
		                        		
		                        			RESULTS:
		                        			There were statistical differences in age, body mass index, history of cardiac insufficiency, history of COPD, history of renal insufficiency, operation timing, ASA classification, operation duration, surgical site infection, acute heart failure, DVT, urinary tract infection and blood transfusion between two groups (
		                        		
		                        			CONCLUSION
		                        			Elderly patients with intertrochanteric fracture with metabolic syndrome had higher postoperative surgical site infection rate, DVT incidence rate, urinary tract infection rate, and postoperative blood transfusion rate. Therefore, the orthopedic treatment team should give more attentionand optimize the treatment plan during the perioperative period with the cooperation of internal physician and anesthesiologist.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Aged, 80 and over
		                        			;
		                        		
		                        			Bone Nails
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Fracture Fixation, Internal/adverse effects*
		                        			;
		                        		
		                        			Fracture Fixation, Intramedullary/adverse effects*
		                        			;
		                        		
		                        			Hip Fractures/surgery*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Metabolic Syndrome/complications*
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
5.Effect and complications of proximal femoral anti-rotation intramedullary nail in the treatment of femoral intertrochanteric fracture in the elderly.
Wen-Ji SHI ; Bin-Yao MAO ; Yan ZHAO
China Journal of Orthopaedics and Traumatology 2021;34(10):906-910
		                        		
		                        			OBJECTIVE:
		                        			To study the prognosis and complications of proximal femoral nail antirotation(PFNA) in the treatment of elderly intertrochanteric fracture.
		                        		
		                        			METHODS:
		                        			From January 2016 to November 2019, 127 cases of femoral intertrochanteric fracture were treated with PFNA, including 51 males and 76 females. The average age was 81.39±8.16 (range from 60 to 98). According to Evans classification, the numbers of cases of typeⅠa, typeⅠb, typeⅠc, typeⅠd and typeⅡwere 10, 46, 48, 16 and 7, respectively. Based on the AO /OTA classification, there were 10 cases of type 31-A1.2, 84 of type 31- A1.3, 17 of type 31-A2.2, 9 of type 31-A2.3, and 7 of type 31-A3. Preoperative and the final follow up, function of hip joint of patients treatedwith the PFNA were evaluated by harris hip score, and the postoperative complications were observed.
		                        		
		                        			RESULTS:
		                        			No incision infection occurred in all patients after PFNA. In this research, 4 cases failed in internal fixation, three of them underwent artificial femoral head replacement;5 cases died within one year after operation;2 cases had multiple embolizations of pulmonary artery branches, which recovered after anticoagulation treatment. There were 48 cases complicated with pneumonia, among which 9 cases had pulmonary inflammation before operation;27 cases with pleural effusion, 3 cases with acute heart failure, 3 cases with acute renal insufficiency, except one case died of pneumonia, pleural effusion, hypoproteinemia and respiratory failure during hospitalization, the other patients recovered after treatment. All 119 patients were followed up for 6 to 36 months, with an average of (17.01±6.03) months, Harris hip score increased from 8.96±5.40 preoperation to 83.57±8.92 at the final follow-up (
		                        		
		                        			CONCLUSION
		                        			PFNA is a recommended option for the treatment of senile patients with intertrochanteric fracture. However, there were a lot of complications when femoral intertrochanteric fractures happened in aged patients, especially prevention and treatment of pulmonary embolism, promptly corrected low hemoglobin and low albumin, and reduce complications.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Aged, 80 and over
		                        			;
		                        		
		                        			Bone Nails
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Fracture Fixation, Intramedullary/adverse effects*
		                        			;
		                        		
		                        			Hip Fractures/surgery*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
6.Prevention and treatment of complications in the treatment of femoral shaft closed fracture with core drilling intramedullary nail.
Tao-Yi CAO ; Zhi-da CHEN ; Zhen-Qi DING ; Chao SONG ; Guo-Feng HUANG ; Xiao-Yang HU ; Jia-Ping HUANG
China Journal of Orthopaedics and Traumatology 2021;34(10):965-970
		                        		
		                        			OBJECTIVE:
		                        			To summarize the complications of core drilling intramedullary nail in the treatment of femoral shaft closed fracture and explore the treatment strategy.
		                        		
		                        			METHODS:
		                        			From August 2014 to June 2018, a total of 215 patients with closed femoral shaft fractures were treated with closed reduction core drill intramedullary nail, including 129 males and 86 females, aged from 18 to 62 years, with an average of (44.2±10.6) years old. The time from injury to operation was 3 to 21 days. There were 102 cases of AO type A fracture, 82 cases of AO type B fracture and 31 cases of AO type C fracture. The time of operation, the amount of blood loss during operation, the duration of hospitalization, the time of fracture healing and the HSS score of knee joint function at the last follow-up were recorded. The observation of complications included:iatrogenic fracture, core drill broken, core drill twist, postoperative infection, and fracture nonunion.
		                        		
		                        			RESULTS:
		                        			The average operation time was (63.2± 15.6) min and intraoperative blood loss was (150.0±34.5) ml. All the incisions reached grade A healing. Patients were follow up for a mean of (18.5±3.2) months, the average hospital stay was (4.3±1.2) days, and the average fracture healing time was (5.6±2.3) months. At the final follow-up, the average HSS score of knee joint was 90.3±4.7. Related complications occurred in 37 cases (17.2%). The core drill related complications occurred in 13 cases (6.0%), including core drill broken in 5 cases (2.3%), core removal in 1 case and slotting in 4 cases;core drill twist in 8 cases (3.7%). After the core was cut, the core was removed. Similar complicationsof conventional intramedullary nail:iatrogenic fracture was performed in 12 cases (5.6%), including 10 cases of fracture end split and 2 cases of distal perimedullary fracture of intramedullary nail. The patients with cleavage at the fracture end were not treated after judging their stability, and the patients with fracture around the distal end of the intramedullary nail were fixed with auxiliary steel plate during operation;1 case(0.4%) with delayed infection after operation, debridement and external fixation was replaced and healed after bone transfer; fracture nonunion occurred in 11 cases (5.1%), of which 7 cases (3.3%) were hypertrophic nonunion and healed with additional plate. Atrophic nonunion occurred in 4 cases (1.9%), which healed after additional steel plate and bone graft.
		                        		
		                        			CONCLUSION
		                        			Core drilling intramedullary nail is an effective method for the treatment of closed femoral shaft fracture, and the complications include core drill related complications and conventional intramedullary nail similar complications. Accurate preoperative evaluation, careful operation during operation and early postoperative symptomatic treatment can effectively reduce the occurrence of related complications.
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Bone Nails
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Femoral Fractures/surgery*
		                        			;
		                        		
		                        			Fracture Fixation, Intramedullary/adverse effects*
		                        			;
		                        		
		                        			Fracture Healing
		                        			;
		                        		
		                        			Fractures, Closed
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
7.Analysis of risk factors of perioperative blood transfusion in the treatment of femoral intertrochanteric fracture with proximal femoral nail antirotation.
Wen-Jing CHENG ; Guo-Zheng DING ; Yan-Hai GONG
China Journal of Orthopaedics and Traumatology 2021;34(8):755-758
		                        		
		                        			OBJECTIVE:
		                        			To explore the influencing factors of perioperative blood transfusion in the treatment of elderly femoral intertrochanteric fractures with proximal femoral nail antirotation(PFNA).
		                        		
		                        			METHODS:
		                        			The clinical data of 109 elderly patients with intertrochanteric fractures who received PFNA treatment from July 2018 to January 2020 were retrospectively analyzed. Both pelvic hip X-rays and CT plain scans were performed before surgery. All patients were diagnosed by X-ray and CT plain scan of pelvis and hip before operation. Through the statistical analysis of the basic data of patients before and during operation, the risk factors of perioperative blood transfusion were explored.
		                        		
		                        			RESULTS:
		                        			Logistic regression analysis showed that age (
		                        		
		                        			CONCLUSION
		                        			Age, fracture type, diabetes history, and preoperative hemoglobin are independent risk factors for perioperative blood transfusion in the treatment of elderly intertrochanteric fractures with PFNA. The older the patient, the history of diabetes, the more unstable the fracture, and the lower preoperative hemoglobin, the more likely it is to require a blood transfusion, which may provide a reference for clinical perioperative blood transfusion decisions.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Blood Transfusion
		                        			;
		                        		
		                        			Bone Nails
		                        			;
		                        		
		                        			Fracture Fixation, Intramedullary/adverse effects*
		                        			;
		                        		
		                        			Hip Fractures/surgery*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Risk Factors
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
8.Shaft Fractures of Both Forearm Bones: The Outcomes of Surgical Treatment with Plating Only and Combined Plating and Intramedullary Nailing.
Sang Bum KIM ; Youn Moo HEO ; Jin Woong YI ; Jung Bum LEE ; Byoung Gu LIM
Clinics in Orthopedic Surgery 2015;7(3):282-290
		                        		
		                        			
		                        			BACKGROUND: Plate fixation is the most commonly used technique for the treatment of shaft fractures of both forearm bones (SFBFBs). However, all fractures are difficult to treat with plate fixation because of soft tissue injuries, fracture patterns, or the patient's condition. The purpose of this study is to compare the functional results of plate fixation only and combined plate and intramedullary (IM) nail fixation in SFBFBs. METHODS: Fifty-nine cases of SFBFBs that were surgically treated from June 2007 to July 2012 were retrospectively reviewed. In this study, 47 cases that were followed up for more than 12 months were included. All SFBFBs were divided into two groups according to the methods used for internal fixation: plate fixation only (group A) and combined plate and IM nail fixation (group B). The fixation methods were determined intraoperatively. Plate fixation was considered as the first option in all cases, but combined plate and IM nail fixation was selected as the second option if it was difficult to be fixed with plate only. Groups A and B comprised of 31 and 16 cases, respectively. The functional results were evaluated by the Grace and Eversmann rating system and the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire. RESULTS: In groups A and B, a radiologic union was achieved in 30/31 and 14/16 cases and average union time was 11.1 and 17.8 weeks, respectively. According to the Grace and Eversmann rating system, group A had excellent results in 15 cases, good in 14, acceptable in one, and unacceptable in one. Group B had excellent results in three cases, good in nine, acceptable in two, and unacceptable in two. The average DASH score was 7.1 points (range, 0 to 19.2 points) in group A and 15.1 points (range, 0 to 29.6 points) in group B. Three cases of nonunion with unacceptable results achieved a bony union by additional procedures and the functional results of these cases improved to good or excellent. CONCLUSIONS: The functional results and the average union time were superior in group A than in group B. However, we think that combined fixation is a useful method for SFBFBs that cannot be treated with plate fixation only.
		                        		
		                        		
		                        		
		                        			Adolescent
		                        			;
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Aged, 80 and over
		                        			;
		                        		
		                        			Bone Nails/*statistics & numerical data
		                        			;
		                        		
		                        			Bone Plates/*statistics & numerical data
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Forearm/surgery
		                        			;
		                        		
		                        			Fracture Fixation, Intramedullary/adverse effects/*methods/*statistics & numerical data
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Radius Fractures/epidemiology/*surgery
		                        			;
		                        		
		                        			Range of Motion, Articular/*physiology
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Treatment Outcome
		                        			;
		                        		
		                        			Ulna Fractures/epidemiology/*surgery
		                        			;
		                        		
		                        			Young Adult
		                        			
		                        		
		                        	
9.Lateral cortex blowout during PFNA blade insertion in a subtrochanteric fracture---Should bone quality determine the type of nail used?
Sunil-Gurpur KINI ; Lai Choon HIN ; Jikku HANIBALL
Chinese Journal of Traumatology 2015;18(2):116-119
		                        		
		                        			
		                        			Subtrochanteric fractures pose a therapeutic challenge to the surgeons. With the advent of proximal femoral nails, most of the cases are treated with nailing. Newer nails like proximal femoral nail antirotation (PFNA) require the blade to be directly hammered into the bone compared to older nails where the screws are drilled and tapped before insertion. We report one such case in a middle aged female that had intraoperative lateral cortex blowout during PFNA blade insertion in a sclerotic bone. This occurrence to the best of our knowledge is unreported in literature. It is therefore imperative to consider the quality of bone before a decision is made on the implant chosen.
		                        		
		                        		
		                        		
		                        			Bone Nails
		                        			;
		                        		
		                        			adverse effects
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Hip Fractures
		                        			;
		                        		
		                        			surgery
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Rotation
		                        			
		                        		
		                        	
10.Causes and managements of postoperative neurological complications in internal fixation for the treatment of degenerative scoliosis.
Jie ZHENG ; Hong YE ; Yong-Hong YANG ; Su-Liang LOU
China Journal of Orthopaedics and Traumatology 2014;27(5):371-375
OBJECTIVETo investigate the causes and managements of postoperative neurological complications in pedicle screw internal fixation for the treatment of degenerative scoliosis (DS).
METHODSThe data of 325 patients with degenerative scoliosis underwent pedicle screw internal fixation was retrospectively analyzed from February 2000 to April 2013. There were 22 patients with postoperative neurological complications. Of them, 16 cases complicated with numbness or pain of lower limb and 6 cases with obvious sensation and motor function decreasing in lower limb. The patients were treated with trophic nerve, dehydration, glucocorticoids, reoperation according to the causes of disease. Postoperative at 3, 6 months and 1 year later, according to VAS scoring and muscule power improvement,the recovery of nerve injury was assessed.
RESULTSPostoperative at 3,6 months and 1 year later,VAS scoring of 16 patients with slightly nerve injury was 2.81 +/- 0.66, 1.94 +/- 0.77, 0.63 +/- 0.62, respectively, and the symptoms had obviously improved than 1 week after operation (P < 0.05). Postoperative at 3 months, among 6 patients with severe nerve injury,muscule power improved in 2 cases and no-improved in 4 cases, with VAS scoring of 4.83 +/- 1.17; postoperative at 6 months,muscule power still had not improved in 3 cases,with VAS scoring of 4.17 +/- 0.75; both of the VAS scoring had not significant difference than 1 week after operation (P > 0.05). One year later, there was no muscule power improvement in 2 cases,with VAS scoring of 3.00 +/- 1.26, there was significant difference than 1 week after operation (P < 0.05).
CONCLUSIONThe causes of postoperative neurological complication in internal fixation for the treatment of dengenerative scoliosis includes: dragging and torsion injury of spinal marrow and nerve root because of excessive orthopedic of scoliosis; inderect injury of nerve root because of malposition of pedicle screw; nerve functional impairment caused by spinal cord ischemia. Avoiding the above factors could decrease the complication and early discovery and treatment could decrease the adverse outcomes.
Aged ; Aged, 80 and over ; Bone Nails ; adverse effects ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Nervous System Diseases ; etiology ; Postoperative Complications ; etiology ; Retrospective Studies ; Scoliosis ; diagnostic imaging ; surgery ; Tomography, X-Ray Computed
            
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