scholarly journals Functional outcome of Lumber Spinal Stenosis in Laminectomy, Laminotomy and Unilateral approach

2020 ◽  
Vol 9 (2) ◽  
pp. 105-110
Author(s):  
Md Moshiur Rahman ◽  
SIM Khairun Nabi Khan ◽  
Robert Ahmed Khan ◽  
Md Rokibul Islam ◽  
Umme Kulsum Sharmin Zaman ◽  
...  
Keyword(s):  
Postoperative Complications ◽  
Blood Loss ◽  
Spinal Stenosis ◽  
Revision Surgery ◽  
Surgical Outcome ◽  
Leg Pain ◽  
Patients Âgés ◽  
Unilateral Approach ◽  
Satisfactory Outcome

Objective: The objective of the study was to compare the surgical outcome between Bilateral Laminotomy, Laminectomy and Unilateral approach in Lumber Spinal Stenosis. Methods: One hundred forty four (144) patients were going to underwent three prospective surgery such as Bilateral Laminotomy (48 patients), Laminectomy (48 patient) and Unilateral approach (48 patients). This study conducted between 2009 to 2014 at private medical hospitals in Dhaka. All the patients ages are e” 40. All the patients were observed prospectively. Clinical outcomes for back and leg pain were analyses using Oswestry Disability Index (ODI) questionnaires and Swiss score. Results: Satisfactory decompression was accomplished in all patients. The complications were less in patients who had experienced Unilateral Laminotomy rather than Bilateral Laminotomy and Laminectomy. Mean age of patients were 52.16+/ - 6.87 years with the range of 40-68 years. Among them 101 patients are male (70.11%) and 43 patients are female (29.99%). The rates of improvements are 79.17% in Laminectomy, 85.1% in Bilateral Laminotomy and 91.9% in Unilateral Laminotomy. From here unilateral Laminotomy have quite better results than others. Minimum follow up period was 2 years. Conclusion: Unilateral Laminotomy has a satisfactory outcome in Lumber Spinal Stenosis surgery in comparison to rest of two approaches. Postoperative complications were minimum in respect to blood loss, hospital stay and revision surgery. Bang. J Neurosurgery 2020; 9(2): 105-110

Clinical follow up after instrumentation-augmented lumbar spinal surgery in patients with unsatisfactory outcomes

2006 ◽  
Vol 5 (4) ◽  
pp. 281-286 ◽  
Author(s):  
Chien-Jen Hsu ◽  
Wen-Ying Chou ◽  
Wei-Ning Chang ◽  
Chi-Yin Wong
Keyword(s):  
Spinal Stenosis ◽  
Revision Surgery ◽  
Short Form ◽  
Pedicle Screws ◽  
Leg Pain ◽  
Adjacent Segment ◽  
Epidural Fibrosis ◽  
Imaging Results ◽  
Flexion Extension

Object. The authors investigated the causes of unsatisfactory outcomes in patients who had undergone instrumentation-assisted lumbar surgery and followed the clinical and imaging results of the revision surgery. Methods. Myelography and postmyelography computed tomography (CT) scanning were successfully conducted in 103 patients. In nearly 80% of these patients, the main symptom was back pain, with or without leg pain. Additional electromyography and nerve conduction velocity studies were also conducted in 22 patients in whom CT myelography could not help to establish the definitive cause of surgical failure. There were 26 cases of spinal stenosis, 13 of adjacent-segment instability, 15 of pseudarthrosis, 11 of screw misplacement, four of epidural fibrosis, five of arachnoiditis, seven of disc disruption, and 22 miscellaneous. When conservative treatment failed to relieve symptoms, surgery was suggested whenever an operable lesion was found. Revision surgery was performed in 48 patients, and these cases form the basis of this retrospective cohort study. All patients underwent clinical and imaging follow up for a minimum of 2 years. Two-year clinical outcomes were assessed using the 36-Item Short Form Health Survey questionnaire and compared with earlier scores using the Student t-test. Fusion status was evaluated by two orthopedic surgeons, who examined flexion–extension x-ray films or CT studies. The greatest improvement after revision surgery was documented in patients with symptoms related to spinal stenosis or disc disruption. Little improvement was observed in patients with misplaced pedicle screws causing nerve injury and those with epidural fibrosis or arachnoiditis. Conclusions. Adequate decompression at the initial operation and prevention of restenosis or accelerated adjacent-segment degeneration yielded the most favorable prognosis in the present cases. Successful posterolateral arthrodesis combined with supplemental interbody fusion improved the surgical outcomes in cases involving disc disruption or degeneration.

The impact of increasing interbody fusion levels at the fractional curve on lordosis, curve correction, and complications in adult patients with scoliosis

2020 ◽  
pp. 1-10
Author(s):  
Dominic Amara ◽  
Praveen V. Mummaneni ◽  
Shane Burch ◽  
Vedat Deviren ◽  
Christopher P. Ames ◽  
...  
Keyword(s):  
Postoperative Complications ◽  
Revision Surgery ◽  
Lumbar Lordosis ◽  
Interbody Fusion ◽  
Pelvic Incidence ◽  
Secondary Analysis ◽  
Lumbar Interbody Fusion ◽  
Curve Correction ◽  
Surgery Rates

OBJECTIVERadiculopathy from the fractional curve, usually from L3 to S1, can create severe disability. However, treatment methods of the curve vary. The authors evaluated the effect of adding more levels of interbody fusion during treatment of the fractional curve.METHODSA single-institution retrospective review of adult patients treated for scoliosis between 2006 and 2016 was performed. Inclusion criteria were as follows: fractional curves from L3 to S1 > 10°, ipsilateral radicular symptoms concordant on the fractional curve concavity side, patients who underwent at least 1 interbody fusion at the level of the fractional curve, and a minimum 1-year follow-up. Primary outcomes included changes in fractional curve correction, lumbar lordosis change, pelvic incidence − lumbar lordosis mismatch change, scoliosis major curve correction, and rates of revision surgery and postoperative complications. Secondary analysis compared the same outcomes among patients undergoing posterior, anterior, and lateral approaches for their interbody fusion.RESULTSA total of 78 patients were included. There were no significant differences in age, sex, BMI, prior surgery, fractional curve degree, pelvic tilt, pelvic incidence, pelvic incidence − lumbar lordosis mismatch, sagittal vertical axis, coronal balance, scoliotic curve magnitude, proportion of patients undergoing an osteotomy, or average number of levels fused among the groups. The mean follow-up was 35.8 months (range 12–150 months). Patients undergoing more levels of interbody fusion had more fractional curve correction (7.4° vs 12.3° vs 12.1° for 1, 2, and 3 levels; p = 0.009); greater increase in lumbar lordosis (−1.8° vs 6.2° vs 13.7°, p = 0.003); and more scoliosis major curve correction (13.0° vs 13.7° vs 24.4°, p = 0.01). There were no statistically significant differences among the groups with regard to postoperative complications (overall rate 47.4%, p = 0.85) or need for revision surgery (overall rate 30.7%, p = 0.25). In the secondary analysis, patients undergoing anterior lumbar interbody fusion (ALIF) had a greater increase in lumbar lordosis (9.1° vs −0.87° for ALIF vs transforaminal lumbar interbody fusion [TLIF], p = 0.028), but also higher revision surgery rates unrelated to adjacent-segment pathology (25% vs 4.3%, p = 0.046). Higher ALIF revision surgery rates were driven by rod fracture in the majority (55%) of cases.CONCLUSIONSMore levels of interbody fusion resulted in increased lordosis, scoliosis curve correction, and fractional curve correction. However, additional levels of interbody fusion up to 3 levels did not result in more postoperative complications or morbidity. ALIF resulted in a greater lumbar lordosis increase than TLIF, but ALIF had higher revision surgery rates.

scholarly journals Improvement of Back and Leg Pain after Lumbar Spinal Decompression without Fusion

2018 ◽  
Vol 80 (02) ◽  
pp. 081-087
Author(s):  
Nicola Bongartz ◽  
Christian Blume ◽  
Hans Clusmann ◽  
Christian Müller ◽  
Matthias Geiger
Keyword(s):  
Back Pain ◽  
Spinal Stenosis ◽  
Lumbar Spinal Stenosis ◽  
Leg Pain ◽  
Short Term ◽  
Clear Trend ◽  
Long Term Follow Up ◽  
Lumbar Spinal

Background To evaluate whether decompression in lumbar spinal stenosis without fusion leads to sufficient improvement of back pain and leg pain and whether re-decompression alone is sufficient for recurrent lumbar spinal stenosis for patients without signs of instability. Material and Methods A successive series of 102 patients with lumbar spinal stenosis (with and without previous lumbar surgery) were treated with decompression alone during a 3-year period. Data on pre- and postoperative back pain and leg pain (numerical rating scale [NRS] scale) were retrospectively collected from questionnaires with a return rate of 65% (n = 66). The complete cohort as well as patients with first-time surgery and re-decompression were analyzed separately. Patients were dichotomized to short-term follow-up (< 100 weeks) and long-term follow-up (> 100 weeks) postsurgery. Results Overall, both back pain (NRS 4.59 postoperative versus 7.89 preoperative; p < 0.0001) and leg pain (NRS 4.09 versus 6.75; p < 0.0001) improved postoperatively. The short-term follow-up subgroup (50%, n = 33) showed a significant reduction in back pain (NRS 4.0 versus 6.88; p < 0.0001) and leg pain (NRS 2.49 versus 6.91: p < 0.0001). Similar results could be observed for the long-term follow-up subgroup (50%, n = 33) with significantly less back pain (NRS 3.94 versus 7.0; p < 0.0001) and leg pain (visual analog scale 3.14 versus 5.39; p < 0.002) postoperatively. Patients with previous decompression surgery benefit significantly regarding back pain (NRS 4.82 versus 7.65; p < 0.0024), especially in the long-term follow-up subgroup (NRS 4.75 versus 7.67; p < 0.0148). There was also a clear trend in favor of leg pain in patients with previous surgery; however, it was not significant. Conclusions Decompression of lumbar spinal stenosis without fusion led to a significant and similar reduction of back pain and leg pain in a short-term and a long-term follow-up group. Patients without previous surgery benefited significantly better, whereas patients with previous decompression benefited regarding back pain, especially for long-term follow-up with a clear trend in favor of leg pain.

Hammer-Chisel Technique in Endoscopic Dacryocystorhinostomy

2003 ◽  
Vol 112 (5) ◽  
pp. 444-449 ◽  
Author(s):  
Yasar Cokkeser ◽  
Mustafa Tercan ◽  
Cem Evereklioglu ◽  
Ibrahim F. Hepsen
Keyword(s):  
Postoperative Complications ◽  
Success Rate ◽  
External Approach ◽  
Prospective Evaluation ◽  
Lacrimal Sac ◽  
Successful Completion ◽  
Patients Âgés ◽  
Minimal Morbidity ◽  
Patient Tolerance

We performed a prospective evaluation of endoscopic hammer-chisel dacryocystorhinostomy (DCR) procedures on 62 eyes of 44 patients (40 female and 4 male) with chronic epiphora or dacryocystitis (26 unilateral and 18 bilateral). The technique included chisel removal of bone over the lacrimal sac. The follow-up period was 12 to 54 months (mean, 28 months), and the patients' ages ranged from 17 to 67 years (mean, 35.5 years). The success rate of the consecutive endoscopic hammer-chisel DCR procedures was 87%. During operation, 8 patients had mild mucosal hemorrhage, which did not prevent the successful completion of the operation. Excellent patient tolerance was observed, with minimal morbidity and no major complications. As compared to the external approach, endoscopic hammer-chisel DCR is less traumatic, is less time-consuming, and is practical and cosmetically convenient, with minimal perioperative and postoperative complications. It also allows the simultaneous correction of any intranasal disease. It requires minimal instrumentation and is a relatively easy and fast technique.

A modified ileal conduit technique in patients undergoing radical cystectomy: Single-centre experience

2021 ◽  
pp. 205141582110414
Author(s):  
Francesco Chiancone ◽  
Francesco Persico ◽  
Marco Fabiano ◽  
Maurizio Fedelini ◽  
Clemente Meccariello ◽  
...  
Keyword(s):  
Bladder Cancer ◽  
Postoperative Complications ◽  
Blood Loss ◽  
Radical Cystectomy ◽  
Ileal Conduit ◽  
Intraoperative Complications ◽  
Perioperative Outcomes ◽  
Multivariate Logistic Regression Model ◽  
Increased Risk

Objective: We aimed to evaluate perioperative outcomes and complications of a modified technique of ileal conduit diversion. Methods: Forty-seven cases of radical cystectomy with modified ileal conduit diversion were performed at our institution from January 2015 to January 2020. After radical cystectomy, a segment of ileum was used to pack the conduit and was placed below the digestive anastomosis. Then, the mesentery window of the ileo-ileal anastomosis was sutured. The ureters were anastomosed on their native side on single loop ureteral stents. All procedures were performed by a single surgical team. Intra- and postoperative complications were classified and reported according to the Satava and Clavien–Dindo grading systems. Results: The mean age of population was 66.40±10.14 years, and 76.6% were male. Concomitant diabetes was found in 31.9% of patients. About three quarters of patients had T2G3 bladder cancer. Mean blood loss was 449.36±246.50 ml, and hospitalization was 10.32±5 days. With a mean follow-up of 17.36±12.63 months, the recurrence rate was 17%, and 14.9% of patients died of bladder cancer. Out of the 47 patients, three (4.3%) experienced intraoperative complications, while 15 (31.9%) had postoperative complications. Of these, only three patients experienced Clavien–Dindo complications ⩾grade 3. Multivariate logistic regression model showed that diabetes ( p=0.023) and higher blood loss ( p=0.010) were significantly associated with an increased risk of postoperative complications. We reported one case of ureterointestinal anastomosis stenosis on the left side and none on the right side. Despite our results being promising, larger randomized trials with longer follow-up are needed to explore further the feasibility of this technique on a larger scale. Conclusion: We describe a safe and simple surgical technique with a similar postoperative complications rate and a lower incidence of ureteroileal anastomosis stenosis compared to the standard technique. Level of evidence 4.

Outcomes and survivorship after conversion of failed hip hemiarthroplasty to total hip arthroplasty

2019 ◽  
pp. 112070001989142 ◽  
Author(s):  
Nana O Sarpong ◽  
Matthew J Grosso ◽  
Akshay Lakra ◽  
Carl L Herndon ◽  
Emma Jennings ◽  
...  
Keyword(s):  
Postoperative Complications ◽  
Total Hip Arthroplasty ◽  
Femoral Component ◽  
Hip Arthroplasty ◽  
Revision Surgery ◽  
Complication Rates ◽  
Conversion Surgery ◽  
Total Hip ◽  
Estimated Blood Loss

Background: Arthroplasty is the treatment of choice for elderly patients with displaced femoral neck fractures. When compared to total hip arthroplasty (THA), higher revision rates have been reported for hemiarthroplasty (HA). Conversion of failed HA to THA can be complex, especially in the elderly population at risk for revision surgery complications. We report a single institution’s experience with conversion of failed HA to THA at mid-term follow-up. Methods: We identified patients converted from failed HA to THA from 2006 to 2016. Clinical data including indication for index and conversion surgery, maintenance or revision of femoral component during conversion, operative time, estimated blood loss, postoperative complications, and need for revision surgery were collected. Descriptive statistics were analysed in SPSS. Results: The cohort included 21 men and 39 women (mean age of 74.5 years). The mean follow-up after conversion HA to THA was 2.8 years. During conversion surgery, the femoral component was revised in 75.0% and retained in 25.0% of cases. After conversion HA to THA, the rate of major complications and re-revision at 2 years was 11.7% and 10.0%, respectively. Femoral revision versus retention did not affect complication rates (11.1% vs. 6.7%; p = 0.31) or re-revision rates (8.9% vs. 13.3%; p = 1.0). Conclusions: In this high-risk population, mid-term follow-up demonstrated tolerable complication and re-revision rates, the majority of which were for instability. We observed high rates of femoral component revision during conversion THA, although this did not increase the likelihood of postoperative complications or need for future surgery.

Neurogenic claudication associated with posterior vertebral rim fractures in children

2012 ◽  
Vol 10 (3) ◽  
pp. 241-245 ◽  
Author(s):  
Jonathan G. Thomas ◽  
Jerome Boatey ◽  
Alison Brayton ◽  
Andrew Jea
Keyword(s):  
Blood Loss ◽  
Hospital Stay ◽  
Length Of Hospital Stay ◽  
Signs And Symptoms ◽  
Leg Pain ◽  
Neurogenic Claudication ◽  
Pediatric Age Group ◽  
Fractures In Children ◽  
The Mean

Object Outside of the patient population with achondroplasia, neurogenic claudication is rare in the pediatric age group. Neurogenic claudication associated with posterior vertebral rim fracture is even more uncommon but nonetheless causes pain and disability in affected children and adolescents. The purpose of this study was to describe the surgical results of 3 adolescents presenting with neurogenic claudication and posterior vertebral rim fracture when treated with laminectomy alone. Methods The medical and operative records of the 3 pediatric patients were retrospectively reviewed. Presenting signs and symptoms and CT findings, such as the interpedicular distances between T-12 and L-5, were obtained. Perioperative results were assessed, including operative time, blood loss, length of hospital stay, and complications. Findings at latest follow-up were also recorded, including a patient satisfaction survey. Results The 3 patients (1 girl and 2 boys) had a mean age of 14.7 years (range 14–15 years) and underwent follow-up for a mean of 11.3 months (range 5–18 months). Notable preoperative signs and symptoms included back pain (all patients), leg pain (all patients), leg numbness (1 patient), and leg weakness (1 patient). No patient presented with bowel and/or bladder dysfunction. The mean blood loss during laminectomy was 123 ml (range 20–300 ml), and the mean length of hospital stay was 4.3 days (range 3–6 days). On average, decompression was performed at 2.2 levels (range 2–2.5 levels). All 3 patients reported at most recent follow-up that they were “satisfied” with the surgery. There was 1 complication of instability from an iatrogenic pars fracture, which required reoperation and posterior instrumented fusion. Conclusions To the best of the authors' knowledge, this report represents the first surgical series of pediatric neurogenic claudication associated with posterior vertebral rim fractures. Pediatric neurosurgeons may infrequently encounter neurogenic claudication associated with a posterior vertebral rim fracture in children. To treat children with neurogenic claudication associated with posterior vertebral rim fractures, a simple laminectomy may be a safe and efficacious alternative to discectomy and removal of fracture fragments.

scholarly journals Revision decompression with fusion as a treatment for same level restenosis after laminotomy for lumbar spinal stenosis

2020 ◽  
Vol 27 (1) ◽  
pp. 3-9
Author(s):  
Zhuohao Chow Liang ◽  
Wing Ngai Yim ◽  
Chung Ting Martin Wong ◽  
Hung On Cheng ◽  
Ka Kin Cheung
Keyword(s):  
Clinical Outcomes ◽  
Spinal Stenosis ◽  
Lumbar Spinal Stenosis ◽  
Revision Surgery ◽  
Japanese Orthopaedic Association ◽  
Japanese Orthopaedic Association Score ◽  
Leg Pain ◽  
Complication Rates ◽  
Salvage Procedure ◽  
Lumbar Spinal

Background/Purpose: Laminotomy is an established procedure to relieve symptoms of lumbar spinal stenosis. However, there is a group of patients with symptomatic recurrence. Re-decompression and fusion could be an effective salvage procedure but the results are seldom found in the literature. In this study, we focused on investigating the clinical outcomes and complication rates of revision decompression with fusion in this patient group. Methods: A retrospective study including patients who had undergone revision decompression with fusion for recurrent symptoms due to same level restenosis after primary laminotomy for lumbar spinal stenosis was performed. Patients with recurrent symptoms due to prolapsed intervertebral disc, trauma, infection, and neoplasm were excluded. Demographics, clinical outcomes, and complications were retrieved. Results: Twenty-eight patients with a total number of 42 levels of revision decompression and fusion were included. With a mean follow-up time of 27 months after revision surgery, there were statistically significant improvement of 63, 49, and 13% in Japanese Orthopaedic Association score, visual analog scale for leg pain, and Roland-Morris disability questionnaire score, respectively. There were 6(21%), 2(7%), 0(0%), and 2(7%) cases of dural tear, infection requiring reoperation, new neurological deficit, and other complications, respectively, in these revision cases. Conclusion: Bearing potential complications in mind, re-decompression with fusion is a viable option with reasonable clinical outcomes for patients with recurrent symptoms after laminotomy for lumbar spinal stenosis. As a treatment option for symptomatic lumbar spinal stenosis, primary laminotomy could have the potential benefit of lower complication rates in revision surgery.

Postoperative outcome after modified unilateral-approach microendoscopic midline decompression for degenerative spinal stenosis

2009 ◽  
Vol 10 (4) ◽  
pp. 293-299 ◽  
Author(s):  
Mitsuru Yagi ◽  
Eijiro Okada ◽  
Ken Ninomiya ◽  
Michiya Kihara
Keyword(s):  
Back Pain ◽  
Hospital Stay ◽  
Spinal Stenosis ◽  
Functional Outcomes ◽  
Spinal Stability ◽  
The Novel ◽  
Minimally Invasive Spinal Surgery ◽  
Unilateral Approach ◽  
Muscle Trauma

Object The object of this study was to assess the feasibility and efficacy of a novel, minimally invasive spinal surgery technique to correct degenerative lumbar spinal stenosis involving a modified unilateral-approach microendoscopic midline decompression. Methods In this prospective study, 41 patients with lumbar stenosis were randomly assigned to undergo either a novel, median-approach microendoscopic laminectomy (20 patients) or a conventional laminectomy (21 patients). Spinal anteroposterior diameter, cross-sectional area, lateral recess distance, spinal stability, postoperative back pain, functional outcomes, and muscle trauma were evaluated. Follow-up ranged from 16 to 24 months, with a mean of 17.8 months for the novel procedure group and 18.6 months for the conventional laminectomy group. Results Compared with patients in the conventional laminectomy group, patients who received the novel procedure had a reduced mean duration of hospital stay, a lower mean creatine phosphokinase muscular-type isoenzyme level, a lower visual analog scale score for back pain at 1-year follow-up, and a faster recovery rate. These patients also had less mean blood loss compared with the conventionally treated group. Satisfactory neurological decompression and symptom relief were achieved in 90% of these patients. There was no significant clinical difference compared with the conventional laminectomy group's results. There was no evidence of spinal instability in any patient, and no patient required a follow-up conventional laminectomy. Conclusions This novel procedure provides effective spinal decompression. Although this method requires more operating time than a conventional method, it requires only minimal muscle trauma and spinal stability maintenance, and allows for early mobilization. This shortens the hospital stay, reduces postoperative back pain, and leads to satisfactory neurological and functional outcomes. Moreover, with the midline approach, decompression was accomplished without compromising the facet joints, even with a narrow width of lamina.

scholarly journals Outcomes of Revision Surgery Following Instrumented Posterolateral Fusion in Degenerative Lumbar Spinal Stenosis: A Comparative Analysis between Pseudarthrosis and Adjacent Segment Disease

2017 ◽  
Vol 11 (3) ◽  
pp. 463-471 ◽  
Author(s):  
Seung-Pyo Suh ◽  
Young-Hoon Jo ◽  
Hae Won Jeong ◽  
Won Rak Choi ◽  
Chang-Nam Kang
Keyword(s):  
Spinal Stenosis ◽  
Lumbar Spinal Stenosis ◽  
Revision Surgery ◽  
Adjacent Segment Disease ◽  
Posterolateral Fusion ◽  
Adjacent Segment ◽  
Degenerative Lumbar Spinal Stenosis ◽  
Group A ◽  
Lumbar Spinal

<sec><title>Study Design</title><p>Retrospective study.</p></sec><sec><title>Purpose</title><p>We examined the clinical and radiological outcomes of patients who received revision surgery for pseudarthrosis or adjacent segment disease (ASD) following decompression and instrumented posterolateral fusion (PLF).</p></sec><sec><title>Overview of Literature</title><p>At present, information regarding the outcomes of revision surgery for complications such as pseudarthrosis and ASD following instrumented PLF is limited.</p></sec><sec><title>Methods</title><p>This study examined 60 patients who received PLF for degenerative lumbar spinal stenosis and subsequently developed pseudarthrosis or ASD leading to revision surgery. Subjects were divided into a group of 21 patients who received revision surgery for pseudarthrosis (Group P) and a group of 39 patients who received revision surgery for ASD (Group A). Clinical outcomes were evaluated using the visual analogue scales for back pain (VAS-BP) and leg pain (VAS-LP), the Korean Oswestry disability index (K-ODI), and each patient's subjective satisfaction. Radiological outcomes were evaluated from the extent of bone union, and complications in the two groups were compared.</p></sec><sec><title>Results</title><p>VAS-LP at final follow-up was not statistically different between the two groups (<italic>p</italic> =0.353), although VAS-BP and K-ODI at final follow-up were significantly worse in Group P than in Group A (all <italic>p</italic> &lt;0.05), and only 52% of the patients in Group P felt that their overall well-being had improved following revision surgery. Fusion rates after the first revision surgery were 71% (15/21) in Group P and 95% (37/39) in Group A (<italic>p</italic> =0.018). The rate of reoperation was significantly higher in Group P (29%) than in Group A (5%) (<italic>p</italic> =0.021) due to complications.</p></sec><sec><title>Conclusions</title><p>Clinical and radiological outcomes were worse in patients who had received revision surgery for pseudarthrosis than in those who had revision surgery for ASD. Elderly patients should be carefully advised of the risks and benefits before planning revision surgery for pseudarthrosis.</p></sec>

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