scholarly journals Biomechanical role of osteoporosis affects the incidence of adjacent segment disease after percutaneous transforaminal endoscopic discectomy

Author(s):  
Jingchi Li ◽  
Wenqiang Xu ◽  
Xiaoyu Zhang ◽  
Zhipeng Xi ◽  
Lin Xie
2020 ◽  
Vol 28 (3) ◽  
pp. 230949902096056
Author(s):  
Stylianos Kapetanakis ◽  
Nikolaos Gkantsinikoudis ◽  
Grigorios Gkasdaris ◽  
Georgios Charitoudis

Purpose: Adjacent segment disease (ASD) constitutes a long-term complication of instrumented spinal fusion. Aim of this study is to analyze the utilization of percutaneous transforaminal endoscopic discectomy (PTED) for the treatment of symptomatic ASD, emphasizing basically in the postoperative course. Methods: A prospective study with 35 patients was designed. Patients enrolled in our study were distributed in two different groups. Group A constituted of 15 patients featuring ASD as a complication of a previously conducted lumbar spinal fusion. Group B was composed of 20 patients, presenting simple lumbar disc herniation (LDH). All patients were subjected to successful PTED for LDH. Patients were evaluated at regular intervals in 6-week and 3-, 6-, and 12-month postoperatively. Visual analog scale was utilized for leg (VAS-LP) and low back pain (VAS-BP) evaluation. Health-related quality of life was assessed with short-form 36 health survey questionnaire (SF-36). Results: VAS-BP scores were statistically significantly differentiated between the two groups in all intervals of follow-up. In contrast, VAS-LP scores demonstrated statistically significant differentiation in none of follow-up intervals, indicating similar results between the two groups. Maximal improvement was in both cases for all patients observed in 6-week postoperatively, with subsequent stabilization. SF-36 preoperative evaluation denoted a statistically significant differentiation in bodily pain and role emotional parameters, which was continually until the end of follow-up observed. The other SF-36 parameters featured similar values between the two groups preoperatively as well as during the follow-up intervals. Conclusion: PTED is capable of successfully dealing with LDH and furthermore with complications of fusion as ASD.


2016 ◽  
Vol 13 (3) ◽  
pp. 60-67
Author(s):  
Sergey Masevnin ◽  
◽  
Dmitry Ptashnikov ◽  
Dmitry Mikhailov ◽  
Oleg Smekalenkov ◽  
...  

2011 ◽  
Vol 16 (2) ◽  
pp. 8-9
Author(s):  
Marjorie Eskay-Auerbach

Abstract The incidence of cervical and lumbar fusion surgery has increased in the past twenty years, and during follow-up some of these patients develop changes at the adjacent segment. Recognizing that adjacent segment degeneration and disease may occur in the future does not alter the rating for a cervical or lumbar fusion at the time the patient's condition is determined to be at maximum medical improvement (MMI). The term adjacent segment degeneration refers to the presence of radiographic findings of degenerative disc disease, including disc space narrowing, instability, and so on at the motion segment above or below a cervical or lumbar fusion. Adjacent segment disease refers to the development of new clinical symptoms that correspond to these changes on imaging. The biomechanics of adjacent segment degeneration have been studied, and, although the exact mechanism is uncertain, genetics may play a role. Findings associated with adjacent segment degeneration include degeneration of the facet joints with hypertrophy and thickening of the ligamentum flavum, disc space collapse, and translation—but the clinical significance of these radiographic degenerative changes remains unclear, particularly in light of the known presence of abnormal findings in asymptomatic patients. Evaluators should not rate an individual in anticipation of the development of changes at the level above a fusion, although such a development is a recognized possibility.


2020 ◽  
Vol 101 (11) ◽  
pp. 739-746
Author(s):  
B. Dallaudiere ◽  
P. Etchart ◽  
J.T. Perez ◽  
C. Fournier ◽  
J.-C. Le Huec ◽  
...  

2021 ◽  
Author(s):  
Jinlong Liu ◽  
Junlong wu ◽  
Honglei Zhang ◽  
Rui Zuo ◽  
Jiabin Liu ◽  
...  

Abstract ObjectivePercutaneous transforaminal endoscopic discectomy (PTED) is minimally invasive and has been widely used to treat patients with lumbar disk herniation(LDH) due to its safety and efficiency. However, due to the unique anatomy of the L5-S1 level, the PTED procedure is often difficult to perform in the region. ZESSYS, a targeted and quantificational foraminoplasty device, may help to overcome these anatomical limitations. In this study, we assessed the efficiency and the short-term effects of PTED with ZESSY at the L5-S1 level.MethodsBetween January to August of 2018, Fifty-six patients with lumbar disk herniation at the single level of L5–S1 and underwent percutaneous transforaminal endoscopic discectomy were enrolled in this retrospective cohort study. They were segregated into the the TESSYS group and the ZESSYS group. The puncture time, foraminoplasty time, decompression time and fluoroscopy time evaluated for the operation efficiency. Clinical outcomes were assessed by visual analog scale(VAS) score and Oswestry Disability Index(ODI) score. The MacNab criteria were used to evaluate patient subjective satisfaction at 12-month follow-up postoperatively.ResultsThe average puncture time (5.29±2.05 minutes), foraminoplasty time (12.82±2.52 minutes) and fluoroscopy time (26.29±5.96 seconds) were all significantly shorter in the ZESSYS group than in the TESSYS group (average puncture time 8.07±3.13 minutes, p<0.01; foraminoplasty time, 17.18±2.92 minutes, p<0.01; fluoroscopy time, 34.73±6.86 seconds; p<0.01). No significant differences were observed between the 2 groups in the decompression time (p=0.057). The VAS score of low back pain and leg pain, as well as the ODI score, improved at all time points postoperatively compared with preoprative , in both the TESSYS group and the ZESSYS group (P < 0.05). There were no significant differences in the VAS score of low back pain, VAS score of leg pain, and ODI score between the TESSYS group and the ZESSYS group at the same time points (P > 0.05). According to the MacNab criteria, the excellent and good rate at 12-month follow-up postoperatively was 85.7% in the TESSYS group and 89.3% in the ZESSYS group (P > 0.05).ConclusionThe targeted and quantificational foraminoplasty device named ZESSYS was more efficient in the puncture and foraminoplasty procedures, effectively protecting the exiting nerve and minimizing the level of radiation exposure. The device is efficient and safe for PTED in treating lumbar disk herniation at the L5-S1 level.


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