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1.
Clin J Pain ; 2024 Jun 12.
Article in English | MEDLINE | ID: mdl-38863229

ABSTRACT

OBJECTIVES: To investigate the efficacy and safety of pulsed radiofrequency of the dorsal root ganglion combined with ozone injection for treating acute herpes zoster neuralgia in middle-aged and elderly adults. METHODS: A total of 164 middle-aged and elderly patients with acute herpes zoster were randomly assigned to 2 groups: the pulsed radiofrequency combined with ozone injection group (group A) and the pulsed radiofrequency group (group B). The therapeutic effects were evaluated using Numeric Rating Scale (NRS) scores and the average doses of gabapentin (mg/day) preoperatively and 1 day, 2 weeks, 4 weeks, 12 weeks, and 24 weeks postoperatively. The incidence of clinically significant postherpetic neuralgia (PHN) and complications in the two groups were recorded. RESULTS: The data showed that the NRS scores and the doses of gabapentin after treatment were significantly lower when compared with the baseline values in both groups. Compared with group B, the NRS scores and the doses of postoperative gabapentin were significantly lower in group A. The incidence of PHN was significantly lower at weeks 4, 12, and 24 in group A than in group B. No adverse reactions occurred in the 2 groups post-treatment. CONCLUSIONS: Ozone injection in the dorsal root ganglion combined with pulsed radiofrequency therapy is more effective in treating acute herpes zoster neuralgia in middle-aged and elderly adults. It provides patients with longer-lasting pain relief, decreased incidence of PHN and the doses of medication, and improved quality of life than with PRF treatment.

2.
Pain Physician ; 26(5): E591-E600, 2023 09.
Article in English | MEDLINE | ID: mdl-37774197

ABSTRACT

BACKGROUND: Both computed tomography-guided extracranial nongasserian ganglion radiofrequency thermocoagulation (RFT) and percutaneous balloon compression (PBC) have significant clinical efficacy in the treatment of trigeminal neuralgia, but a comparison of the efficacy of the 2 methods for pain in primary multibranch trigeminal neuralgia (TN) has not been studied clinically. OBJECTIVE: To compare the efficacy and safety of PBC with extracranial nongasserian ganglion RFT in the treatment of primary multibranch TN. STUDY DESIGN: This is a single-center, retrospective, observational study. SETTING: This study was conducted at the Pain Department of the Affiliated Hospital of Jiaxing College in Jiaxing, People's Republic of China. METHODS: A total of 202 patients, including 112 patients in the RFT group and 90 patients in the PBC group, with multi-branch TN who visited the pain department of Jiaxing First Hospital for percutaneous minimally invasive surgery from April 2016 through June 2021 were retrospectively analyzed. Patients in both groups were followed-up regularly after surgery, and the Numeric Rating Scale, recurrence-free survival rate, Barrow Neurological Institute facial numbness score, and other postoperative complications were recorded before surgery (T0), immediately after surgery (T1) and at 3 months (T2), 6 months (T3), 12 months (T4), and 15 months (T5) postoperatively. RESULTS: All patients completed the operation successfully. No significant difference was found between the two groups in terms of gender, age, pain duration, preoperative Numeric Rating Scale (NRS-11), lateralization of pain and affected branches, and preoperative underlying disease (P > 0.05). There was a significant difference in preoperative and immediate postoperative NRS-11 scores between the 2 groups (P < 0.01). NRS-11 scores decreased at each time point (T1-T5) and were significantly different from preoperative scores (P < 0.001). Meanwhile, no significant difference was found in NRS-11 scores at T0, T1, and T2 between the RFT and PBC groups (P > 0.05). However, the differences were statistically significant at T3 (P < 0.05), T4 (P < 0.001), and T5 (P < 0.001). BNI-N scores decreased in both groups at T2, T3, T4, and T5 after surgery and were significantly different from preoperative scores (P < 0.05). BNI-N scores were significantly lower in the PBC group than in the RFT group at all time points (P < 0.05). In the long-term treatment of multibranch trigeminal neuralgia, the PBC group exhibited a lower recurrence rate than the RFT group. No severe complications or deaths were observed in either of the 2 groups. LIMITATIONS: A small sample size and being conducted at a single center are limitations of our study. CONCLUSION: Both RFT and PBC were effective in relieving primary multibranch TN, but patients in the PBC group had a lower recurrence-free survival rate, fewer complications, and a better safety profile. Follow-up studies with a larger patient sample held at multiple locations should be conducted. KEY WORDS: Radiofrequency thermocoagulation, percutaneous balloon compression, trigeminal neuralgia, extracranial nongasserian ganglion, multibranch pain.


Subject(s)
Trigeminal Neuralgia , Humans , Trigeminal Neuralgia/surgery , Retrospective Studies , Treatment Outcome , Electrocoagulation/methods , Pain
3.
Pain Ther ; 11(3): 971-985, 2022 Sep.
Article in English | MEDLINE | ID: mdl-35778672

ABSTRACT

INTRODUCTION: Postherpetic neuralgia (PHN) is a painful condition that persists for 1 month or more after herpes zoster rash has healed. Radiofrequency thermocoagulation (RF-TC) provides analgesia by destroying the dorsal root ganglion and blocking the pain upload pathway; nonetheless, the concomitant neurological-related side effects and recurrence remain a concern. METHODS: In this study, 228 patients with PHN in the thoracic segment treated with RF-TC of the dorsal root ganglion of the spinal nerve were included, and were followed up regularly after surgery. The numerical rating scale (NRS) scores, time to recurrence, and intraoperative and postoperative adverse events were recorded and analyzed. The Kaplan-Meier method was used to plot survival curves and calculate the cumulative effective rate and recurrence rate. Cox regression analyses were performed to identify factors associated with postoperative recurrence. Predictive models were built to assess the value of applications. RESULTS: The NRS scores decreased in all postoperative periods compared with preoperative ones. At 10-year-follow-up, recurrence was observed in 34.6% (79/228) of patients that underwent PHN. The main postoperative complications were numbness and reduced abdominal muscle strength, which gradually decreased with time, while the abdominal muscle strength gradually recovered. No other adverse events occurred. Interval-censored multivariable Cox regression analysis demonstrated that disease course, complications, pain grade, and type of RF electrode were associated with a significantly higher risk of relapse. The main intraoperative adverse effect was a transient increase in pain during RF-TC. CONCLUSION: CT-guided RF-TC of the dorsal root ganglion of the spinal nerve for PHN is a relatively safe and effective surgical option. Disease course, type of RF electrode, complications, and pain grade are risk factors for postoperative recurrence and can assist in clinical decision-making before the RF-CT procedure.

4.
Pain Ther ; 11(3): 1071-1077, 2022 Sep.
Article in English | MEDLINE | ID: mdl-35749031

ABSTRACT

INTRODUCTION: Trigeminal autonomic cephalalgia (TAC) is a type of one-sided cerebral painful headache, with attacks regularly accompanied by autonomic responses, such as tearing, runny nose, panic, nausea and vomiting on the affected side. Currently, the most common treatment strategies are drugs, nerve grafts and surgery. Clinical understanding of TACs is limited. Here, we report the case of thermocoagulation treatment of the pterygopalatine ganglion in an uncommon TAC under local anesthesia. CASE PRESENTATION: A rare case of TAC was treated with computed tomography (CT)-guided thermocoagulation within the pterygopalatine ganglion. Pain and autonomic signs were relieved immediately after surgery, with the patent retaining only slight numbness on the left side of the face. This numbness completely resolved at 6 months of follow-up and there was no recurrence. DISCUSSION: Trigeminal autonomic cephalalgia seriously affects the patient's quality of life, but clinical understanding is limited. In the case reported here, we performed CT-guided thermocoagulation of the pterygopalatine ganglion at 90 °C for 180 s for treatment of a trigeminal autonomic headache. To our knowledge, this is the first report of using thermocoagulation at 90 °C to treat the pterygopalatine ganglion. We found that this strategy results in fewer side effects and is a more cost-effective treatment for such patients than other options. CONCLUSION: Computed tomography-guided thermocoagulation of the pterygopalatine ganglion at 90 °C for 180 s for treatment of trigeminal autonomic headache is a safe and economical treatment option.

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