Clinical Outcomes of Cervical Laminoplasty: Results at Two Years

Neurosurgery ◽  
2016 ◽  
Vol 80 (6) ◽  
pp. 934-941 ◽  
Author(s):  
Melissa M. Stamates ◽  
Michael X. Cui ◽  
Ben Z. Roitberg
Keyword(s):  
Ct Scan ◽  
Clinical Outcomes ◽  
Visual Analog Scale ◽  
Cervical Myelopathy ◽  
Neck Disability Index ◽  
Cervical Laminoplasty ◽  
Medium Term ◽  
Analog Scale ◽  
Sf 36

Abstract BACKGROUND: Laminoplasty is an established treatment for cervical myelopathy. Multiple variations have emerged, many advocating the use of allograft, but controversy persists. OBJECTIVE: To assess medium-term clinical outcomes in patients who underwent laminoplasty with autograft at our institution. METHODS: Thirty-two consecutive patients (19 male, 13 female, average age 66 yr) from our prospective outcome registry that underwent cervical laminoplasty between 2009 and 2013 were reviewed. Computed tomography (CT) scan was performed immediately postoperatively and at 6-mo follow-up. Parameters included patient perception of outcome, Nurick score, Neck Disability Index (NDI), visual analog scale for neck pain, and SF-36. RESULTS: On retrospective analysis, all patients felt improved at 3 mo postoperatively; at 2 yr, this rate was 91%. Improvements were seen in Nurick scores, from 3.16 ± 0.9 preoperatively to 1.94 ± 0.8 at 2 yr; NDI score from 28.7% ± 9% preoperatively to 20.8% ± 9.6% at 2 yr; visual analog scale from 2.8 ± 1.2 preoperatively to 1.7 ± 0.9 at 2 yr; and SF-36 physical component summary from 27.9 ± 10 preoperatively to 37.8 ± 11.9 at 2 yr. All values reached significance at all follow-up points (P < .05) with the exception of 6-mo NDI values (P = .062). No C5 palsy, graft complications, or reclosure was observed in any patient during the follow-up period. CONCLUSION: Laminoplasty with autograft is a safe and effective method to treat cervical myelopathy, with good medium-term clinical outcome. No reclosures were observed. Bony fusion was seen in all cases on CT scan. Our study found good outcomes in the performance of open-door laminoplasty without hardware, in the treatment of cervical stenosis.

Bioabsorbable instrumentation for single-level cervical degenerative disc disease: a radiological and clinical outcome study

2009 ◽  
Vol 11 (5) ◽  
pp. 529-537 ◽  
Author(s):  
Andre Tomasino ◽  
Harry Gebhard ◽  
Karishma Parikh ◽  
Christian Wess ◽  
Roger Härtl
Keyword(s):  
Clinical Outcome ◽  
Clinical Outcomes ◽  
Visual Analog Scale ◽  
Neck Disability Index ◽  
Fusion Rate ◽  
Analog Scale ◽  
Single Level ◽  
Arm Pain ◽  
Neck Disability ◽  
Metallic Plates

Object The authors present the radiological and clinical outcome data obtained in patients who underwent single-level anterior cervical discectomy and fusion (ACDF) for cervical spondylosis and/or disc herniation; bioabsorbable plates were used for instrumentation. The use of metallic plates in ACDF has gained acceptance as a stabilizing part of the procedure to increase fusion rates, but when complications occur with these devices, the overall effectiveness of the procedure is compromised. As a possible solution, bioabsorbable implants for ACDF have been developed. This study investigates the feasibility and radiological and clinical outcomes of the bioabsorbable plates for ACDF. Methods The radiological and clinical outcomes of 30 patients were investigated retrospectively. All patients presented with cervical radiculopathy or myelopathy and underwent single-level ACDF in which a bioabsorbable anterior cervical plate and an allograft bone spacer were placed at a level between C-3 and C-7. Radiological outcome was assessed based on the fusion rate, subsidence, and Cobb angle of the surgical level. Clinical outcome was determined by using a visual analog scale, the Neck Disability Index, and the Odom criteria. Results There were no intraoperative complications, and no hardware failure was observed. No signs or symptoms of adverse tissue reaction caused by the implant were seen. Two reoperations were necessary due to postoperative blood collections. The overall complication rate was 16.7%. After 6 months, radiographic fusion was seen in 92.3% of patients. Subsidence at 11.3 ± 7.2 months was 3.1 ± 5.8 mm (an 8.2% change over the immediately postoperative results), and the change in the sagittal curvature was –2.7 ± 2.7°. The visual analog scale score for neck and arm pain and Neck Disability Index improved significantly after surgery (p < 0.001). Overall at 19.5 months postoperatively, 83% of the patients had favorable outcomes based on the Odom criteria. Conclusions Absorbable instrumentation provides better stability than the absence of a plate but graft subsidence and deformity rates may be higher than those associated with metal implants. There were no device-related complications, but adverse late effects cannot be excluded. The fusion rate and outcome are comparable to the results achieved with metallic plates. The authors were satisfied with the use of bioabsorbable plates as a reasonable alternative to metal, avoiding the need for lifelong metallic implants.

The effects of carpentry on heterotopic ossification and mobility in cervical arthroplasty: determination by computed tomography with a minimum 2-year follow-up

2012 ◽  
Vol 16 (6) ◽  
pp. 601-609 ◽  
Author(s):  
Tsung-Hsi Tu ◽  
Jau-Ching Wu ◽  
Wen-Cheng Huang ◽  
Ching-Lan Wu ◽  
Chin-Chu Ko ◽  
...  
Keyword(s):  
Heterotopic Ossification ◽  
Clinical Outcomes ◽  
Neck Disability Index ◽  
Ct Scanning ◽  
Segmental Motion ◽  
Artificial Disc ◽  
Analog Scale ◽  
Cervical Arthroplasty ◽  
Neck Disability

Object Heterotopic ossification (HO) after cervical arthroplasty can limit the mobility of an artificial disc. In this study the authors used CT scanning to assess the formation of HO with the goal of investigating the correlation between the carpentry of arthroplasty, formation of HO, mobility, and clinical outcomes. Methods A retrospective review of medical records, radiological studies, and clinical evaluations was conducted for consecutive patients who underwent 1- or 2-level cervical arthroplasty with the Bryan disc. The patients underwent follow-up for more than 24 months. The formation of HO was assessed using CT scanning as the final determination. The perfectness of carpentry for each arthroplasty level was scrutinized using criteria composed of 2 parameters (postoperative shell kyphosis and inadequate endplate coverage). Levels were divided into the optimal carpentry group and the suboptimal carpentry group. Radiographic and clinical outcomes, including the visual analog scale and neck disability index, were compared between the groups. Results A total of 107 levels of Bryan discs were placed in 75 patients (mean age 46.71 ± 9.94 years) and were analyzed. There was a male predominance of 68.0% (51 men), and the mean follow-up duration was 38.56 ± 9.66 months. Heterotopic ossification was identified in 60 levels (56.1%) by CT scanning. Most cases of HO were low grade and did not correlate with the limitation in the segmental motion of the arthroplasty device. There were no significant differences in terms of age, sex, and number of arthroplasty levels between the optimal and the suboptimal carpentry groups. However, the suboptimal carpentry group had significantly more high-grade HO (≥ Grade 2) than the optimal carpentry group (13 levels [12.1%] vs 7 levels [6.5%], p = 0.027). There were also more immobile (range of motion < 3°) artificial discs in the suboptimal carpentry group than the optimal carpentry group (11 levels [10.3%] vs 4 levels [3.7%], p = 0.010). The clinical outcomes (neck and arm visual analog scale scores and Neck Disability Index) in both groups were similarly good. Conclusions Shell kyphosis and inadequate endplate coverage have adverse effects on the formation of HO and segmental mobility after cervical arthroplasty with the Bryan artificial disc. Appropriate carpentry is the more important factor in determining the maintenance of segmental motion. Although the midterm clinical outcome remained similarly good regardless of HO, the carpentry of cervical arthroplasty should not be overlooked. Further studies are needed to clarify the etiology of HO.

Technique of cervicothoracic junction pedicle subtraction osteotomy for cervical sagittal imbalance: report of 11 cases

2011 ◽  
Vol 15 (2) ◽  
pp. 174-181 ◽  
Author(s):  
Vedat Deviren ◽  
Justin K. Scheer ◽  
Christopher P. Ames
Keyword(s):  
Neck Disability Index ◽  
Pedicle Subtraction Osteotomy ◽  
Sagittal Imbalance ◽  
Cervicothoracic Junction ◽  
Analog Scale ◽  
Radiographic Measurements ◽  
Sf 36 ◽  
The Mean ◽  
Neck Disability

Object Sagittal imbalance of the cervicothoracic spine often causes severe pain and loss of horizontal gaze. Historically, the Smith-Peterson osteotomy has been used to restore sagittal balance. Cervicothoracic junction pedicle subtraction osteotomy (PSO) offers more controlled closure and greater biomechanical stability but has been infrequently reported in the literature. This study details the cervicothoracic PSO technique in 11 cases and correlates clinical kyphosis (chin-brow to vertical angle [CBVA]) with radiographic measurements. Methods Between February 2008 and September 2010, 11 patients (mean age 70 years) underwent a modified PSO (10 at C-7, 1 at T-1) for treatment of sagittal imbalance. Preoperative and postoperative sagittal plane radiographic measurements were made. The CBVA was measured on clinical photographs. Operative technique and perioperative correction were reported for all 11 patients and long-term follow-up data was reported for 9 patients, in whom the mean duration of follow-up was 23 months. Outcome measures used for these 9 patients were the Neck Disability Index, the 36-Item Short Form Health Survey (SF-36), and a visual analog scale for neck pain. Results The mean values for estimated blood loss, surgical time, and hospital stay in the 11 patients were 1100 ml, 4.3 hours, and 9.9 days, respectively. The mean preoperative and immediate postoperative values (± SD) for cervical sagittal imbalance were 7.9 ± 1.4 cm and 3.4 ± 1.7 cm. The mean overall correction was 4.5 ± 1.5 cm (42.8%), the mean PSO correction 19.0°, and the mean CBVA correction 36.7°. There was essentially no correlation between preoperative C2–T1 radiographic kyphosis and preoperative CBVA (R2 = 0.0165). There was a moderate correlation with PSO correction angle and postoperative CBVA (R2 = 0.38). There was a significant decrease in both the Neck Disability Index (51.1 to 38.6, p = 0.03) and visual analog scale scores for neck pain (8.1 to 3.9, p = 0.0021). The SF-36 physical component summary scores increased by 18.4% (30.2 to 35.8) with no neurological complications. Conclusions The cervicothoracic junction PSO is a safe and effective procedure for the management of cervicothoracic kyphotic deformity. It results in excellent correction of cervical kyphosis and CBVA with a controlled closure and improvement in health-related quality-of-life measures even at early time points.

i-Factor™ Bone Graft vs Autograft in Anterior Cervical Discectomy and Fusion: 2-Year Follow-up of the Randomized Single-Blinded Food and Drug Administration Investigational Device Exemption Study

Neurosurgery ◽  
2017 ◽  
Vol 83 (3) ◽  
pp. 377-384 ◽  
Author(s):  
Paul M Arnold ◽  
Rick C Sasso ◽  
Michael E Janssen ◽  
Michael G Fehlings ◽  
Robert F Heary ◽  
...  
Keyword(s):  
Bone Graft ◽  
Visual Analog Scale ◽  
Neck Disability Index ◽  
Anterior Cervical Discectomy ◽  
Analog Scale ◽  
Cervical Discectomy ◽  
Investigational Device Exemption ◽  
I Factor ◽  
Neck Disability

Abstract BACKGROUND i-Factor™ Bone Graft (Cerapedics Inc, Westminster, Colorado) is a composite bone substitute material consisting of P-15 synthetic collagen fragment adsorbed onto anorganic bone mineral suspended in an inert biocompatible hydrogel carrier. A pivotal, noninferiority, US FDA Investigational Device Exemption study demonstrated the benefits of i-Factor™ compared to local autograft bone in single-level anterior cervical discectomy and fusion at 1-yr postoperative. OBJECTIVE To report 2-yr follow-up. METHODS Subjects randomly received either autograft (n = 154) or i-Factor™ (n = 165) in a cortical ring allograft and followed using radiological, clinical, and patient-reported outcomes. RESULTS At 2 yr, the fusion rate was 97.30% and 94.44% in i-Factor™ and autograft subjects, respectively (P = .2513), and neurological success rate was 94.87% (i-Factor™) and 93.79% (autograft; P = .7869). Neck Disability Index improved 28.30 (i-Factor™) and 26.95 (autograft; P = .1448); Visual Analog Scale arm pain improved 5.43 (i-Factor™) and 4.97 (autograft) (p = .2763); Visual Analog Scale neck pain improved 4.78 (i-Factor™) and 4.41 (autograft; P = .1652), Short Form-36 (SF-36v2) Physical Component Score improved 10.23 (i-Factor™) and 10.18 (autograft; P = .4507), and SF36v2 Mental Component Score improved 7.88 (i-FactorTM) and 7.53 (autograft; P = .9872). The composite endpoint of overall success (fusion, Neck Disability Index improvement &gt;15, neurological success, and absence of re-operations) was greater in i-Factor™ subjects compared to autograft subjects (69.83% and 56.35%, respectively, P = .0302). Twelve (7.45%) i-Factor™ subjects and 16 (10.53%) autograft subjects underwent re-operation (P = .3411). There were no allergic reactions associated with i-Factor™. CONCLUSION Use of i-Factor™ in anterior cervical discectomy and fusion is effective and safe, and results in similar outcomes compared to local autograft bone at 2 yr following surgery.

scholarly journals Promising medium-term results of anterior approach with an anatomical short stem in primary hip arthroplasty

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Fabrizio Rivera ◽  
Alessandro Bardelli ◽  
Andrea Giolitti
Keyword(s):  
Operating Room ◽  
Anterior Approach ◽  
Direct Anterior Approach ◽  
Short Stem ◽  
Medium Term ◽  
Operating Room Table ◽  
Sf 36 ◽  
Standard Operating ◽  
The Mean

Abstract Background In the last decade, the increase in the use of the direct anterior approach to the hip has contributed to the diffusion of the use of short stems in orthopedic surgery. The aim of the study is to verify the medium-term clinical and radiographic results of a cementless anatomic short stem in the anterior approach to the hip. We also want to verify whether the use of the standard operating room table or the leg positioner can affect the incidence of pre- and postoperative complications. Materials and methods All total hip arthroplasty patients with a 1-year minimum follow-up who were operated using the MiniMAX stem between January 2010 and December 2019 were included in this study. Clinical evaluation included the Harris Hip Score (HHS), Western Ontario and McMaster Universities Hip Outcome Assessment (WOMAC) Score, and Short Form-36 (SF-36) questionnaires. Bone resorption and remodeling, radiolucency, osteolysis, and cortical hypertrophy were analyzed in the postoperative radiograph and were related to the final follow-up radiographic results. Complications due to the use of the standard operating room table or the leg positioner were evaluated. Results A total of 227 patients (238 hips) were included in the study. Average age at time of surgery was 62 years (range 38–77 years). Mean follow-up time was 67.7 months (range 12–120 months). Kaplan–Meier survivorship analysis after 10 years revealed 98.2% survival rate with revision for loosening as endpoint. The mean preoperative and postoperative HHS were 38.35 and 94.2, respectively. The mean preoperative and postoperative WOMAC Scores were 82.4 and 16.8, respectively. SF-36 physical and mental scores averaged 36.8 and 42.4, respectively, before surgery and 72.4 and 76.2, respectively, at final follow-up. The radiographic change around the stem showed bone hypertrophy in 55 cases (23%) at zone 3. In total, 183 surgeries were performed via the direct anterior approach (DAA) on a standard operating room table, and 44 surgeries were performed on the AMIS mobile leg positioner. Comparison between the two patient groups did not reveal significant differences. Conclusion In conclusion, a short, anatomic, cementless femoral stem provided stable metaphyseal fixation in younger patients. Our clinical and radiographic results support the use of this short stem in the direct anterior approach. Level of evidence IV.

scholarly journals Investigation of the Correlation between Postherpetic Itch and Neuropathic Pain over Time

2018 ◽  
Vol 2018 ◽  
pp. 1-6 ◽  
Author(s):  
Rie Ishikawa ◽  
Masako Iseki ◽  
Rie Koga ◽  
Eiichi Inada
Keyword(s):  
Neuropathic Pain ◽  
Herpes Zoster ◽  
Pain Intensity ◽  
Visual Analog Scale ◽  
Analog Scale ◽  
Paindetect Questionnaire ◽  
Relationship Of ◽  
The Relationship ◽  
Over Time

Postherpetic itch (PHI), or herpes zoster itch, is an intractable and poorly understood disease. We targeted 94 herpes zoster patients to investigate their pain and itch intensities at three separate stages of the condition (acute, subacute, and chronic). We used painDETECT questionnaire (PDQ) scores to investigate the correlation between PHI and neuropathic pain. Seventy-six patients were able to complete follow-up surveys. The prevalence of PHI was 47/76 (62%), 28/76 (37%), and 34/76 (45%) at the acute, subacute, and chronic stages, respectively. PHI manifestation times and patterns varied. We investigated the relationship of PHI with neuropathic pain using the visual analog scale (VAS), which is a measure of pain intensity, and the PDQ, which is a questionnaire used to evaluate the elements of neuropathic pain. The VAS and PDQ scores did not differ significantly between PHI-positive and PHI-negative patients. A large neuropathic component was not found for herpes zoster itch, suggesting that neuropathic pain treatments may not able to adequately control the itch. Accordingly, we suggest that a more PHI-focused therapy is required to address this condition.

Burst Spinal Cord Stimulation

Neurosurgery ◽  
2010 ◽  
Vol 66 (5) ◽  
pp. 986-990 ◽  
Author(s):  
Dirk De Ridder ◽  
Sven Vanneste ◽  
Mark Plazier ◽  
Elsa van der Loo ◽  
Tomas Menovsky
Keyword(s):  
Spinal Cord ◽  
Neuropathic Pain ◽  
Visual Analog Scale ◽  
Spinal Cord Stimulation ◽  
Short Form ◽  
Burst Stimulation ◽  
Analog Scale ◽  
Tonic Stimulation ◽  
Better Than

Abstract INTRODUCTION Spinal cord stimulation is commonly used for neuropathic pain modulation. The major side effect is the onset of paresthesia. The authors describe a new stimulation design that suppresses pain as well as, or even better than, the currently used stimulation, but without creating paresthesia. METHODS A spinal cord electrode (Lamitrode) for neuropathic pain was implanted in 12 patients via laminectomy: 4 at the C2 level and 7 at the T8–T9 level for cervicobrachialgia and lumboischialgia, respectively (1 at T11 at another center). During external stimulation, the patients received the classic tonic stimulation (40 or 50 Hz) and the new burst stimulation (40-Hz burst with 5 spikes at 500 Hz per burst). RESULTS Pain scores were measured using a visual analog scale and the McGill Short Form preoperatively and during tonic and burst stimulation. Paresthesia was scored as present or not present. Burst stimulation was significantly better for pain suppression, by both the visual analog scale score and the McGill Short Form score. Paresthesia was present in 92% of patients during tonic stimulation, and in only 17% during burst stimulation. Average follow-up was 20.5 months. CONCLUSION The authors present a new method of spinal cord stimulation using bursts that suppress neuropathic pain without the mandatory paresthesia. Pain suppression seems as good as or potentially better than that achieved with the currently used stimulation. Average follow-up after nearly 2 years (20.5 months) suggests that this stimulation design is stable.

In Revision Hip Arthroscopy, Labral Reconstruction Can Address a Deficient Labrum, but Labral Repair Retains Its Role for the Reparable Labrum: A Matched Control Study

2018 ◽  
Vol 46 (14) ◽  
pp. 3437-3445 ◽  
Author(s):  
Itay Perets ◽  
Danil Rybalko ◽  
Brian H. Mu ◽  
David R. Maldonado ◽  
Gary Edwards ◽  
...  
Keyword(s):  
Decision Making ◽  
Total Hip Arthroplasty ◽  
Visual Analog Scale ◽  
Hip Arthroplasty ◽  
Hip Arthroscopy ◽  
Labral Repair ◽  
Acetabular Labrum ◽  
Analog Scale ◽  
Total Hip

Background: Revision hip arthroscopy is increasingly common and often addresses acetabular labrum pathology. There is a lack of consensus on indications or outcomes of revision labral repair versus reconstruction. Purpose: To report clinical outcomes of labral reconstruction during revision hip arthroscopy at minimum 2-year follow-up as compared with pair-matched labral repair during revision hip arthroscopy (control group) and to suggest a decision-making algorithm for labral treatment in revision hip arthroscopy. Study Design: Cohort study; Level of evidence, 3. Methods: Patients who underwent revision hip arthroscopy with labral reconstruction were matched 1:2 with patients who underwent revision arthroscopic labral repair. Patients were matched according to age, sex, and body mass index. Outcome scores, including the modified Harris Hip Score (mHHS), Non-Arthritic Hip Score, Hip Outcome Score–Sport-Specific Subscale, and a visual analog scale for pain, were collected preoperatively and at minimum 2-year follow-up. At latest follow-up, patient satisfaction on a 0-10 scale and the abbreviated International Hip Outcome Tool (iHOT-12) were collected. Complications, subsequent arthroscopies, and conversion to total hip arthroplasty were collected as well. Results: A total of 15 revision labral reconstructions were pair matched to 30 revision labral repairs. The reconstructions had fewer isolated Seldes type I detachments ( P = .008) and lower postoperative lateral center-edge angle, but there were otherwise no significant differences in demographics, radiographics, intraoperative findings, or procedures. Both groups demonstrated significant improvements in all outcomes and visual analog scale at minimum 2-year follow-up. The revision repairs trended toward better preoperative scores: mHHS (mean ± SD: 59.3 ± 16.5 vs 54.2 ± 16.0), Non-Arthritic Hip Score (61.0 ± 16.7 vs 51.2 ± 17.6), Hip Outcome Score–Sport-Specific Subscale (39.6 ± 25.1 vs 30.5 ± 22.1), and visual analog scale (5.8 ± 1.8 vs 6.2 ± 2.2). At follow-up, the revision repair group had significantly higher mHHS (84.1 ± 14.8 vs 72.0 ± 18.3, P = .043) and iHOT-12 (72.2 ± 23.3 vs 49.0 ± 27.6, P = .023) scores than the reconstruction group. The magnitudes of pre- to postoperative improvement between the groups were comparable. The groups also had comparable rates of complications: 1 case of numbness in each group ( P > .999), subsequent arthroscopies (repair: n = 2, 6.5%; revision: n = 3, 20%; P = .150), and conversion to total hip arthroplasty (1 patient in each group, P > .999). Conclusion: Labral reconstruction safely and effectively treats irreparable labra in revision hip arthroscopy. However, labral repair is another treatment option for reparable labra, yielding similar magnitude of improvement. A proposed algorithm may assist in surgical decision making to achieve optimal outcomes based on the condition and history of each patient’s acetabular labrum.

scholarly journals Surgical Management of Insertional Achilles Tendinopathy in the Young and Elderly Result in Similar Clinical Outcomes

2020 ◽  
Vol 5 (4) ◽  
pp. 2473011420S0038
Author(s):  
Huai M. Phen ◽  
Wesley J. Manz ◽  
Joel T. Greenshields ◽  
Danielle Mignemi ◽  
Jason T. Bariteau
Keyword(s):  
Linear Regression ◽  
Clinical Outcomes ◽  
Surgical Management ◽  
Surgical Correction ◽  
Physical Component Score ◽  
Achilles Tendinitis ◽  
Sf 36 ◽  
Patient Reported ◽  
The Impact

Category: Other; Ankle Introduction/Purpose: Insertional Achilles tendinitis (IAT) is a common cause of chronic posterior heel pain. Non-operative treatment has demonstrated evidence of success, with similar failure rates in both the young and the elderly. Surgical management can reproducibly improve patients’ pain and functional status. Older patients are considered to be at a higher risk for surgical complications due to associated comorbidities when compared to patients under the age of 60. The aim of this study is to investigate the impact of comorbidities and peri-operative variables on functional patient reported outcomes following surgical treatment of IAT in those over and under the age of 60. Methods: Retrospective review of prospectively collected data pertaining to a consecutive series of adult patients who underwent surgical management of IAT by a single surgeon (J.B.). Patients were separated into those 60 years of age and younger, and those above 60. Patients undergoing concomitant surgical procedures or revisions were excluded. Patient demographics, co- morbidities, perioperative variables, and post-operative complications were collected. Visual Analogue Scale (VAS), Short Form Health Survey Physical Component Score (SF-36 PCS), wound infection, and recurrence were assessed with a minimum follow-up of 12 months. Statistics were obtained using linear regression mixed models, and chi-squared analysis. Results: 38 operative cases were identified including 17 patients over and 21 patients under 60 years of age (mean 66.8 +/- 5.1yrs, 49.1 +/- 8.4yrs, respectively). There were no significant differences in demographics, rates of co-morbidities, or post-operative infection between the two groups. Both young and elderly groups experienced improvements in mean VAS pain scores at 6 months (3.3 and 2.7, respectively, P = 0.416) and 12 months (5.0 and 4.1, respectively, P = 0.322) post-operatively. SF-36 PCS improvements were also observed in both young and elderly cohorts at 6 (mean 22.1 and 9.3, respectively, P = 0.122) and 12 months (mean 30.4 and 20.4, respectively, P = 0.158). Linear regression analysis showed no statistical difference between the presence of co-morbidities, or age, on clinical outcomes. Conclusion: None of the co-morbidities nor peri-operative variables assessed were linked to increased risk of failed surgical correction of IAT in elderly patients, suggesting surgical correction of IAT in geriatric populations is an appropriate and reproducible treatment option. Further higher-powered studies, with longer follow-up times would be of use to better elucidate the influence of co-morbidities on recurrence.

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