CT-guided percutaneous needle drainage and irrigation may be a rational treatment choice for patients with SEA with the exception of patients with a chronic abscess, an anterior abscess or discitis.
Objective The purpose of this study is to evaluate the effectiveness and safety of percutaneous radiofrequency thermocoagulation (PRT) via the foramen rotundum (FR) for the treatment of isolated maxillary (V2) idiopathic trigeminal neuralgia (ITN) and assess the appropriate puncture angle through the anterior coronoid process to reach the FR. Methods Between January 2011 and October 2016, 87 patients with V2 ITN refractory to conservative treatment were treated by computed tomography (CT)–guided PRT via the FR at our institution. The outcome of pain relief was assessed by the visual analog scale (VAS) and Barrow Neurological Institute (BNI) pain grade and grouped as complete pain relief (BNI grades I–III) or unsuccessful pain relief (BNI grades IV–V). Recurrence and complications were also monitored and recorded. The puncture angle for this novel approach was assessed based on intraoperative CT images. Results Of the 87 treated patients, 85 (97.7%) achieved complete pain relief, and two patients (2.3%) experienced unsuccessful pain relief immediately after operation. During the mean follow-up period of 44.3 months, 15 patients (17.2%) experienced recurring pain. No severe complications occurred, except for hypoesthesia restricted to the V2 distribution in all patients (100%) and facial hematoma in 10 patients (11.5%). The mean puncture angle to reach the FR was 33.6° ± 5.7° toward the sagittal plane. Discussion CT-guided PRT via the FR for refractory isolated V2 ITN is effective and safe and could be a rational therapy for patients with V2 ITN.
BACKGROUND: Percutaneous full-endoscopic surgery was recently developed for the treatment of cervical foraminal stenosis and posterolateral disc herniation. However, there are no studies involving endoscopic surgery to treat cervical spondylotic myelopathy (CSM). OBJECTIVES: To observe the safety, feasibility, and efficacy of posterolateral full-endoscopic ventral decompression (PLEVD) via computed tomography (CT)-guided surgery in patients with single-level CSM. STUDY DESIGN: A prospective cohort study. SETTING: The First Affiliated Hospital of Gannan Medical College. METHODS: From May 2018 to August 2019, 21 patients with single-level CSM underwent CT-guided PLEVD. The posterolateral angle was measured during surgery. The neurologic condition was evaluated via the Japanese Orthopaedic Association (JOA) score and recovery rate, and a Visual Analog Scale (VAS) was used to measure pain relief. The maximum spinal canal diameter (MSCD) was measured on pre- and postoperative CT images. RESULTS: The mean length of follow-up was 11.3 ± 5.3 months. The average posterolateral angle was 36.0° ± 5.6°. The mean VAS score of limbs significantly decreased after surgery. The mean JOA score improved during the follow-up period. Nineteen of the 21 patients achieved good or excellent outcomes, and 2 patients had fair outcomes according to the JOA score 6 months after surgery. The average MSCD was enlarged from 0.55 ± 0.15 cm preoperatively to 1.02 ± 0.18 cm postoperatively. LIMITATIONS: This study was nonrandomized and provides only preliminary clinical results for single-level CSM. CONCLUSION: Under appropriate indications, PLEVD under CT guidance is an available and safe technique for treating single-level CSM. KEY WORDS: CT-guided, posterolateral, full-endoscopic, cervical spondylotic myelopathy
BACKGROUND: More evidence is required to support that computerized tomography navigation percutaneous spinal endoscopy in the treatment of highly migrated lumbar disc herniation is a more minimally invasive surgery than open discectomy . OBJECTIVE: To quantitatively evaluate the efficacy and minimal invasiveness of computerized tomography navigation percutaneous spinal endoscopy and open discectomy in highly migrated lumbar disc herniation. STUDY DESIGN: A prospective randomized study. SETTING: First Affiliated Hospital of Gannan Medical College. METHODS: From August 2016 to February 2020, 68 patients with highly migrated lumbar disc herniation had undergone discectomy. Thirty-five of them randomly received computerized tomography (CT) navigation percutaneous spinal endoscopy at the pain department (CT navigation percutaneous spinal endoscopy group), and 33 patients received open discectomy at the orthopedics department (open discectomy group). The Visual Analog Scale (VAS) score, Japanese Orthopaedic Association (JOA) score, and modified MacNab criteria were applied to evaluate the clinical situations pre- and post-operation. The serum concentrations of IL-6, TNF-alpha, creatine phosphokina (CPK), and C-reactive protein (CRP) in the 2 groups were quantitatively measured. RESULTS: The postoperative VAS scores of the back and lower extremity were lower than those pre-operation in both groups, while the VAS score of back pain in the open discectomy group was significantly higher than that in the CT navigation percutaneous spinal endoscopy group at one week post-operation (P < 0.01). The postoperative JOA scores were significantly higher than those pre-operation in both groups. The serum concentrations of IL-6, TNF-alpha, CPK, and CRP in the open discectomy group were higher than those in the computerized tomography navigation percutaneous spinal endoscopy group postoperatively (P < 0.01). LIMITATIONS: This is a single-center randomized study and with the limitation of the sample size. CONCLUSION: CT navigation percutaneous spinal endoscopy is a more minimally invasive surgery than open discectomy. Certificate number for the medical institution conducting the clinical trials for humans in China: 934. KEY WORDS: Highly migrated lumbar disc herniation, endoscopic, CT navigation, trauma
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