KMID : 1189320190130040638
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Asian Spine Journal 2019 Volume.13 No. 4 p.638 ~ p.647
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The Role of Percutaneous Transforaminal Endoscopic Surgery in Lateral Recess Stenosis in Elderly Patients
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Kapetanakis Stylianos
Gkantsinikoudis Nikolaos Thomaidis Tryfon Charitoudis Georgios Theodosiadis Panagiotis
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Abstract
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Study Design: Prospective clinical study.
Purpose: To investigate the effect of percutaneous transforaminal endoscopic surgery (PTES) for lateral recess stenosis (LRS)(LRS) in elderly patients and to assess patients¡¯ health-related quality of life (HRQoL).
Overview of Literature: PTES is an increasingly used surgical approach, primarily employed for lumbar disc herniation treatment. However, indications for PTES have been increasing in recent years. PTES has been recommended as a beneficial alternative to open decompression surgery in specific LRS cases; PTES is termed as percutaneous endoscopic ventral facetectomy (PEVF) in such cases.
Methods: In total, 65 elderly patients with LRS were prospectively studied. Patients presented severe comorbidities (coronary insufficiency, heart failure, diabetes mellitus, and respiratory failure); thus, general anesthesia administration would potentially cause considerable hazards. All the patients underwent successful PEVF in 2015?2016. The patients were assessed preoperatively and at 6 weeks; 3, 6, and 12 months; and 2 years postoperatively. Patients¡¯ objective assessment was conducted according to specific clinical scales; the Visual Analog Scale (VAS) was separately used for leg and low-back pain (VAS-LP and VAS-BP, respectively), whereas the Short Form 36 Health Survey Questionnaire was used for the HRQoL evaluation.
Results: All studied parameters presented maximal improvement at 6 weeks postoperatively, with less enhancement at 3 and 6 months with subsequent stabilization. Statistical significance was found in all follow-up intervals for all parameters (p<0.05). Parameters with maximal absolute amelioration were VAS-LP, bodily pain, and role limitations due to physical health problems. In contrast, VAS-BP, general health, and mental health were comparatively less enhanced.
Conclusions: PEVF was associated with remarkably enhanced HRQoL 2 years postoperatively. PEVF is thus a safe and effective alternative for LRS surgical management in elderly patients with severe comorbidities.
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KEYWORD
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Lumbar spine, Lateral recess stenosis, Percutaneous transforaminal endoscopic surgery, Percutaneous endoscopic ventral facetectomy, Quality of life
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