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Effect of Intravenous Sodium Pentobarbital on Pain and Sensory Abnormalities in Patients with Chronic Non-Cancer Pain: Narrative Literature Review, Research Study, and Illustrative Case Reports. 静脉注射戊巴比妥钠对慢性非癌性疼痛患者的疼痛和感觉异常的影响:文献综述、研究和说明性病例报告。
IF 4.1 2区 医学
Pain and Therapy Pub Date : 2024-08-01 Epub Date: 2024-06-20 DOI: 10.1007/s40122-024-00621-6
Shehnaz Fatima Lakha, Angela Mailis
{"title":"Effect of Intravenous Sodium Pentobarbital on Pain and Sensory Abnormalities in Patients with Chronic Non-Cancer Pain: Narrative Literature Review, Research Study, and Illustrative Case Reports.","authors":"Shehnaz Fatima Lakha, Angela Mailis","doi":"10.1007/s40122-024-00621-6","DOIUrl":"10.1007/s40122-024-00621-6","url":null,"abstract":"<p><strong>Introduction: </strong>Sodium pentobarbital (SP), a short- to intermediate-acting barbiturate, has limited information in the existing literature. The objectives of this study are to describe (a) the effect of intravenous (IV) SP infusion on pain and sensory abnormalities, and (b) its utility in the diagnosis and management of patients with chronic pain.</p><p><strong>Methods: </strong>A narrative review of barbiturate applications for chronic pain was followed by a pragmatic study of 176 consecutive patients admitted to an inpatient pain unit (2004-2009). We collected demographic information upon admission, diagnoses retrieved from chart review, and pain ratings and sensory abnormalities at baseline and after blinded infusion of normal saline (NS) followed by SP.</p><p><strong>Results: </strong>The study group consisted of 83 men and 93 women (mean age 41 ± 11 years); the mean NS dose was 7.8 ± 2.3 (range 2-10 ml), the SP dose was 223.8 ± 88 mg (range 40-420), and the numeric rating scale (NRS) baseline pain score was 6.0 ± 2. The mean reduction in NRS reached both statistical and clinical significance in 150 responders to either NS/SP or SP only. Collectively, we found (a) an extremely high rate of response to IV SP irrespective of the underlying pathology, (b) greater response for pain than for sensory abnormalities (sensory gains or deficits), (c) greater response for sensory gain than for sensory deficit, and (d) greater response for allodynia than for pinprick hyperalgesia. Illustrative case reports are also presented.</p><p><strong>Discussion: </strong>IV SP infusion is a diagnostic tool that assists in elucidating pain generators and the nature of sensory abnormalities (central vs. peripheral), with effects similar to those of IV sodium amytal. The test cannot be viewed as a tell-all diagnostic modality and must be used in conjunction with clinical judgment, investigations, and psychological reports.</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":" ","pages":"971-986"},"PeriodicalIF":4.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11255144/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141427326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chronic Postsurgical Pain Following Lung Transplantation: Characteristics, Risk Factors, Treatment, and Prevention: A Narrative Review. 肺移植术后慢性疼痛:特征、风险因素、治疗和预防:叙述性综述。
IF 4.1 2区 医学
Pain and Therapy Pub Date : 2024-08-01 Epub Date: 2024-05-29 DOI: 10.1007/s40122-024-00615-4
Xinchen Tao, Ge Luo, Jie Xiao, Yuanyuan Yao, Qi Gao, Jingcheng Zou, Tingting Wang, Zhenzhen Cheng, Dawei Sun, Min Yan
{"title":"Chronic Postsurgical Pain Following Lung Transplantation: Characteristics, Risk Factors, Treatment, and Prevention: A Narrative Review.","authors":"Xinchen Tao, Ge Luo, Jie Xiao, Yuanyuan Yao, Qi Gao, Jingcheng Zou, Tingting Wang, Zhenzhen Cheng, Dawei Sun, Min Yan","doi":"10.1007/s40122-024-00615-4","DOIUrl":"10.1007/s40122-024-00615-4","url":null,"abstract":"<p><p>Chronic pain after lung transplantation (LTx) can substantially reduce quality of life (QoL), yet current consensus guidelines say little about how to prevent or manage it. Research on pain after LTx has tended to focus on acute rather than chronic pain, and it has not extensively examined the factors associated with onset or resolution of chronic pain, which differ from factors influencing chronic pain after general thoracic surgery. This narrative review explores what is known about the epidemiology and risk factors of chronic pain after LTx, as well as effective ways to treat or prevent it. The review identifies key questions and issues that should be the focus of future research.</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":" ","pages":"719-731"},"PeriodicalIF":4.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11254876/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141162204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pain-Insomnia-Depression Syndrome: Triangular Relationships, Pathobiological Correlations, Current Treatment Modalities, and Future Direction. 疼痛-失眠-抑郁综合征:三角关系、病理生物学相关性、当前治疗模式和未来方向。
IF 4.1 2区 医学
Pain and Therapy Pub Date : 2024-08-01 Epub Date: 2024-05-30 DOI: 10.1007/s40122-024-00614-5
Murtaza Haidary, Shamim Arif, Dawood Hossaini, Shekiba Madadi, Elham Akbari, Hossain Rezayee
{"title":"Pain-Insomnia-Depression Syndrome: Triangular Relationships, Pathobiological Correlations, Current Treatment Modalities, and Future Direction.","authors":"Murtaza Haidary, Shamim Arif, Dawood Hossaini, Shekiba Madadi, Elham Akbari, Hossain Rezayee","doi":"10.1007/s40122-024-00614-5","DOIUrl":"10.1007/s40122-024-00614-5","url":null,"abstract":"<p><p>Pain-insomnia-depression syndrome (PIDS) is a complex triad of chronic pain, insomnia, and depression that has profound effects on an individual's quality of life and mental health. The pathobiological context of PIDS involves complex neurobiological and physiological mechanisms, including alterations in neurotransmitter systems and impaired pain processing pathways. The first-line therapeutic approaches for the treatment of chronic pain, depression, and insomnia are a combination of pharmacological and non-pharmacological therapies. In cases where patients do not respond adequately to these treatments, additional interventions such as deep brain stimulation (DBS) may be required. Despite advances in understanding and treatment, there are still gaps in knowledge that need to be addressed. To improve our understanding, future research should focus on conducting longitudinal studies to uncover temporal associations, identify biomarkers and genetic markers associated with PIDS, examine the influence of psychosocial factors on treatment responses, and develop innovative interventions that address the complex nature of PIDS. The aim of this study is to provide a comprehensive overview of these components and to discuss their underlying pathobiological relationships.</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":" ","pages":"733-744"},"PeriodicalIF":4.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11255165/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141174473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analgesic Effectiveness of Truncal Plane Blocks in Patients Undergoing the Nuss Procedure: A Randomized Controlled Trial. 对接受努斯手术的患者进行截骨平面阻滞的镇痛效果:随机对照试验
IF 4.1 2区 医学
Pain and Therapy Pub Date : 2024-08-01 Epub Date: 2024-06-18 DOI: 10.1007/s40122-024-00627-0
Tao Chen, Yu Xu, Yu Chen, Shibiao Chen, Yang Zhang
{"title":"Analgesic Effectiveness of Truncal Plane Blocks in Patients Undergoing the Nuss Procedure: A Randomized Controlled Trial.","authors":"Tao Chen, Yu Xu, Yu Chen, Shibiao Chen, Yang Zhang","doi":"10.1007/s40122-024-00627-0","DOIUrl":"10.1007/s40122-024-00627-0","url":null,"abstract":"<p><strong>Introduction: </strong>Most patients undergoing the Nuss procedure reported moderate to severe pain after surgery. This study aimed to investigate the efficacy and safety of ultrasound-guided serratus anterior plane block (SAPB) combined with transversus thoracic muscle plane (TTMP) block for relieving acute pain in patients undergoing the Nuss procedure.</p><p><strong>Methods: </strong>The enrolled patients in our study were allocated to either receive combined nerve blocks with ropivacaine (NB group) or saline (CON group). The primary outcome of this study was postoperative pain at 2, 4, 8, 16, 24, 36, and 48 h during rest and movement (coughing). Secondary outcomes included intraoperative dosage of remifentanil, the time to extubation and the length of stay in the post-anesthesia care unit (PACU), the total acetaminophen and codeine tablet consumption, time to first bowel movement, time to first flatus, opioid-related adverse events, and the length of hospital stay.</p><p><strong>Results: </strong>Patients in the NB group had significantly lower Numerical Rating Scale (NRS) pain scores compared with the CON group. The NB group required significantly less postoperative acetaminophen consumption and lower dosages of perioperative sufentanyl and remifentanil compared with the CON group. The length of stay in the PACU and time to extubation were significantly increased in the CON group compared with the NE group. Time to first bowel movement and time to first flatus were earlier in the NB group. But there were no significant differences between the groups in terms of the length of hospital stay and codeine tablet consumption.</p><p><strong>Conclusion: </strong>Ultrasound-guided SAPB and TTMP blocks in patients undergoing the Nuss procedure could provide effective analgesia.</p><p><strong>Trial registration: </strong>This study was registered in the Chinese Clinical Trial Registry (ChiCTR2000038506).</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":" ","pages":"909-917"},"PeriodicalIF":4.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11255141/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141420345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Postoperative Multimodal Analgesia Strategy for Enhanced Recovery After Surgery in Elderly Colorectal Cancer Patients. 加强老年结直肠癌患者术后恢复的多模式镇痛策略
IF 4.1 2区 医学
Pain and Therapy Pub Date : 2024-08-01 Epub Date: 2024-06-05 DOI: 10.1007/s40122-024-00619-0
Li Huang, Tianhao Zhang, Kaixin Wang, Bingcheng Chang, Daan Fu, Xiangdong Chen
{"title":"Postoperative Multimodal Analgesia Strategy for Enhanced Recovery After Surgery in Elderly Colorectal Cancer Patients.","authors":"Li Huang, Tianhao Zhang, Kaixin Wang, Bingcheng Chang, Daan Fu, Xiangdong Chen","doi":"10.1007/s40122-024-00619-0","DOIUrl":"10.1007/s40122-024-00619-0","url":null,"abstract":"<p><p>Enhanced Recovery After Surgery (ERAS) protocols have substantially proven their merit in diminishing recuperation durations and mitigating postoperative adverse events in geriatric populations undergoing colorectal cancer procedures. Despite this, the pivotal aspect of postoperative pain control has not garnered the commensurate attention it deserves. Typically, employing a multimodal analgesia regimen that weaves together nonsteroidal anti-inflammatory drugs, opioids, local anesthetics, and nerve blocks stands paramount in curtailing surgical complications and facilitating reduced convalescence within hospital confines. Nevertheless, this integrative pain strategy is not devoid of pitfalls; the specter of organ dysfunction looms over the geriatric cohort, rooted in the abuse of analgesics or the complex interplay of polypharmacy. Revolutionary research is delving into alternative delivery and release modalities, seeking to allay the inadvertent consequences of analgesia and thereby potentially elevating postoperative outcomes for the elderly post-colorectal cancer surgery populace. This review examines the dual aspects of multimodal analgesia regimens by comparing their established benefits with potential limitations and offers insight into the evolving strategies of drug administration and release.</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":" ","pages":"745-766"},"PeriodicalIF":4.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11254899/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141248376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cortical Mechanisms Underlying Effects of Repetitive Peripheral Magnetic Stimulation on Dynamic and Static Postural Control in Patients with Chronic Non-Specific Low Back Pain: A Double-Blind Randomized Clinical Trial. 重复性外周磁刺激对慢性非特异性腰痛患者动态和静态姿势控制效果的皮层机制:一项双盲随机临床试验。
IF 4.1 2区 医学
Pain and Therapy Pub Date : 2024-08-01 Epub Date: 2024-06-19 DOI: 10.1007/s40122-024-00613-6
Takyu Yan, Meizhen Liang, Jiahui Peng, Qiuhua Yu, Yan Li, Jiajia Yang, Siyun Zhang, Chuhuai Wang
{"title":"Cortical Mechanisms Underlying Effects of Repetitive Peripheral Magnetic Stimulation on Dynamic and Static Postural Control in Patients with Chronic Non-Specific Low Back Pain: A Double-Blind Randomized Clinical Trial.","authors":"Takyu Yan, Meizhen Liang, Jiahui Peng, Qiuhua Yu, Yan Li, Jiajia Yang, Siyun Zhang, Chuhuai Wang","doi":"10.1007/s40122-024-00613-6","DOIUrl":"10.1007/s40122-024-00613-6","url":null,"abstract":"<p><strong>Introduction: </strong>Patients with chronic non-specific low back pain (CNLBP) often experience impaired postural control, contributing to pain recurrence. Although repetitive peripheral magnetic stimulation (rPMS) combined with core muscle training (CMT) could improve postural control, its neural mechanism remains unclear. This study aims to investigate the postural control-related cortical mechanism of the effect of rPMS on patients with CNLBP.</p><p><strong>Methods: </strong>This unicentric, prospective, randomized, double-blind, controlled trial was conducted in a public hospital from May to December 2023. A total of 40 patients (27 females and 13 males, mean age 29.38 ± 7.72) with CNLBP were randomly assigned to either the rPMS group (real rPMS with CMT) or the sham-rPMS group (sham-rPMS with CMT) for 12 sessions over 4 weeks. The rPMS was applied to the lumbar paravertebral multifidus muscle on the painful side. Pain and disability were quantified using the visual analog scale (VAS) and Oswestry dysfunction index (ODI) pre- and post-intervention. Furthermore, the sway area and velocity of the center of pressure (COP) were measured using a force platform. The cortical activities in 6 regions of interest during 4 tasks (standing with eyes open/closed on a stable/unstable plane) were recorded by functional near-infrared spectroscopy (fNIRS) pre- and post-intervention. The repeated measure ANOVA was applied for statistical analysis. Spearman's correlation was used to determine the relationships between variables.</p><p><strong>Results: </strong>After the intervention, the rPMS group showed decreased pain intensity (p = 0.001) and sway area (unstable eyes-closed task) (p = 0.046) compared to the sham-rPMS group. Additionally, the rPMS group exhibited increased activation in left primary motor cortex (M1) (p = 0.042) and reduced in left supplementary motor area (SMA) (p = 0.045), whereas the sham-rPMS group showed no significant changes. The increased activation of left M1 was negatively correlated to the reduction of pain intensity (r = - 0.537, p = 0.018) and sway area (r = - 0.500, p = 0.029) under the static balancing task. Furthermore, there was a positive correlation between sway velocity and VAS (r = 0.451, p = 0.046) post-rPMS intervention.</p><p><strong>Conclusion: </strong>Repetitive peripheral magnetic stimulation combined with core muscle training demonstrated better analgesic effects and postural control improvements, compared to sham-stimulation. This may be attributed to the increased activation of the left primary motor cortex.</p><p><strong>Clinical trial registration: </strong>The trial was registered on ClinicalTrials.gov (ChiCTR2300070943).</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":" ","pages":"953-970"},"PeriodicalIF":4.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11255159/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141420346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transforaminal Steroid Injection After Dorsal Root Ganglion Pulsed Radiofrequency (DRG-PRF): Impact on Pain Intensity and Disability 背根神经节脉冲射频(DRG-PRF)后经椎管注射类固醇:对疼痛强度和残疾的影响
IF 4 2区 医学
Pain and Therapy Pub Date : 2024-07-28 DOI: 10.1007/s40122-024-00639-w
Matteo Luigi Giuseppe Leoni, Fabrizio Micheli, David Michael Abbott, Marco Cascella, Giustino Varrassi, Pasquale Sansone, Roberto Gazzeri, Monica Rocco, Marco Mercieri
{"title":"Transforaminal Steroid Injection After Dorsal Root Ganglion Pulsed Radiofrequency (DRG-PRF): Impact on Pain Intensity and Disability","authors":"Matteo Luigi Giuseppe Leoni, Fabrizio Micheli, David Michael Abbott, Marco Cascella, Giustino Varrassi, Pasquale Sansone, Roberto Gazzeri, Monica Rocco, Marco Mercieri","doi":"10.1007/s40122-024-00639-w","DOIUrl":"https://doi.org/10.1007/s40122-024-00639-w","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Introduction</h3><p>Dorsal root ganglion pulsed radiofrequency (DRG-PRF) is frequently used for the treatment of chronic lumbar radicular pain with good outcomes in terms of pain management. Transforaminal epidural steroid injection (TFESI) is often administered immediately after DRG-PRF to increase the anti-inflammatory effects, but support for the synergic mechanism is lacking in the literature. The aim of this study was to investigate the potential role of TFESI immediately after DRG-PRF and its possible role on pain intensity and patient disability.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>A database of patients who underwent DRG-PRF with or without TFESI immediately after DRG-PRF was retrospectively analysed; propensity score matching was applied to the analysis to reduce possible bias. Pain intensity (numerical rating scale [NRS]) and Oswestry disability index (ODI) were recorded pre-operatively and at the 1- and 3-month follow-up in the two groups of patients.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>A total of 252 patients were included in this retrospective analysis, 126 patients in the DRG-PRF + TFESI group and 126 patients in the DRG-PRF group after propensity score matching. Both groups displayed a significant reduction in pain intensity (NRS score reduction; <i>p</i> &lt; 0.0001) and improvement in the ODI (<i>p</i> &lt; 0.0001) from baseline at the 3-month follow-up. Interestingly, the use of TFESI after DRG-PRF was not associated with any clinical benefit as no difference in NRS and ODI was found between the two groups at the 1- and 3-month follow-ups.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Our study revealed a significant pain reduction and disability improvement after DRG-PRF in patients with lumbar radicular pain. Interestingly, no positive role of TFESI immediately after DRG-PRF was observed. These findings suggest that DRG-PRF provides substantial pain relief, and no added benefit is obtained with subsequent steroid injection. Future prospective studies with expanded follow-up periods are needed to confirm these findings.</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":"86 1","pages":""},"PeriodicalIF":4.0,"publicationDate":"2024-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141784672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Real-world Impact of Fremanezumab on Migraine-Related Health Care Resource Utilization in Patients with Comorbidities, Acute Medication Overuse, and/or Unsatisfactory Prior Migraine Preventive Response. Fremanezumab对合并症、急性药物过度使用和/或先前偏头痛预防反应不满意的偏头痛患者相关医疗资源利用的实际影响。
IF 4.1 2区 医学
Pain and Therapy Pub Date : 2024-06-01 Epub Date: 2024-03-12 DOI: 10.1007/s40122-024-00583-9
Dawn C Buse, Lynda J Krasenbaum, Michael J Seminerio, Elizabeth R Packnett, Karen Carr, Mario Ortega, Maurice T Driessen
{"title":"Real-world Impact of Fremanezumab on Migraine-Related Health Care Resource Utilization in Patients with Comorbidities, Acute Medication Overuse, and/or Unsatisfactory Prior Migraine Preventive Response.","authors":"Dawn C Buse, Lynda J Krasenbaum, Michael J Seminerio, Elizabeth R Packnett, Karen Carr, Mario Ortega, Maurice T Driessen","doi":"10.1007/s40122-024-00583-9","DOIUrl":"10.1007/s40122-024-00583-9","url":null,"abstract":"<p><strong>Introduction: </strong>Fremanezumab, a humanized monoclonal antibody targeting calcitonin gene-related peptide, is indicated for preventive treatment of migraine in adults. Real-world evidence assessing the effect of fremanezumab on migraine-related medication use, health care resource utilization (HCRU), and costs in patient populations with comorbidities, acute medication overuse (AMO), and/or unsatisfactory prior migraine preventive response (UPMPR) is needed.</p><p><strong>Methods: </strong>Data for this US, retrospective claims analysis were obtained from the Merative<sup>®</sup> MarketScan<sup>®</sup> Commercial and supplemental databases. Eligible adults with migraine initiated fremanezumab between 1 September 2018 and 30 June 2019 (date of earliest fremanezumab claim is the index date), had ≥ 12 months of continuous enrollment prior to initiation (preindex period) and ≥ 6 months of data following initiation (postindex period; variable follow-up after 6 months), and had certain preindex migraine comorbidities (depression, anxiety, and cardiovascular disease), potential AMO, or UPMPR. Changes in migraine-related concomitant acute and preventive medication use, HCRU, and costs were assessed pre- versus postindex.</p><p><strong>Results: </strong>In total, 3193 patients met the eligibility criteria. From pre- to postindex, mean (SD) per patient per month (PPPM) number of migraine-related acute medication and preventive medication claims (excluding fremanezumab), respectively, decreased from 0.97 (0.90) to 0.86 (0.87) (P < 0.001) and 0.94 (0.74) to 0.81 (0.75) (P < 0.001). Migraine-related outpatient and neurologist office visits, emergency department visits, and other outpatient services PPPM decreased pre- versus postindex (P < 0.001 for all), resulting in a reduction in mean (SD) total health care costs PPPM from US$541 (US$858) to US$490 (US$974) (P = 0.003). Patients showed high adherence and persistence rates, with mean (SD) proportion of days covered of 0.71 (0.29), medication possession ratio of 0.74 (0.31), and persistence duration of 160.3 (33.2) days 6 months postindex.</p><p><strong>Conclusions: </strong>Patients with certain migraine comorbidities, potential AMO, and/or UPMPR in a real-world setting had reduced migraine-related medication use, HCRU, and costs following initiation of fremanezumab. Graphical abstract available for this article.</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":" ","pages":"511-532"},"PeriodicalIF":4.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11111425/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140111090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Risk Factors Associated with Postoperative Cerebrospinal Fluid Leaks After Intrathecal Drug Delivery System and an External Pump Implantation in Cancer Patients: A Retrospective Study. 癌症患者鞘内给药系统和外泵植入术后脑脊液漏的相关风险因素:一项回顾性研究
IF 4.1 2区 医学
Pain and Therapy Pub Date : 2024-06-01 Epub Date: 2024-05-09 DOI: 10.1007/s40122-024-00608-3
Yuan Li, Shuwu Zhao, Keith Candiotti, Chen Su
{"title":"Risk Factors Associated with Postoperative Cerebrospinal Fluid Leaks After Intrathecal Drug Delivery System and an External Pump Implantation in Cancer Patients: A Retrospective Study.","authors":"Yuan Li, Shuwu Zhao, Keith Candiotti, Chen Su","doi":"10.1007/s40122-024-00608-3","DOIUrl":"10.1007/s40122-024-00608-3","url":null,"abstract":"<p><strong>Introduction: </strong>To determine risk factors associated with postoperative cerebrospinal fluid leaks (CSFLs) after intrathecal drug delivery system (IDDS) and external pump implantation.</p><p><strong>Methods: </strong>The clinical data of 248 patients with advanced cancer who underwent IDDS implantation from January 2021 to December 2022 at the Department of Pain Medicine at the Hunan Cancer Hospital were retrospectively reviewed. Information regarding age, gender, height, weight, body mass index (BMI), tumour type, albumin levels, haemoglobin levels, history of diabetes and pre- and postoperative anti-tumour therapy was collected and analysed.</p><p><strong>Results: </strong>Postoperative CSFLs occurred in 7 of 231 patients (3.30%). Statistical analysis indicated that gender, age, height, weight, BMI, tumour type, albumin levels, haemoglobin levels, history of diabetes, pre- and postoperative chemotherapy, pre- and postoperative radiotherapy, preoperative immunotherapy and postoperative targeted therapy were not independent factors for CSFLs. Preoperative targeted therapy [odds ratio (OR): 16.64; 95% confidence interval (CI): 1.42, 195.56; P = 0.01] and postoperative immunotherapy (OR: 13.38; 95% CI: 1.60, 111.65; P = 0.017) were factors associated with an increased postoperative CSFL rate. Of the two locations where CSFLs can occur, the back (puncture site of catheter, n = 4) and the hypochondriac region (location of infusion port implanted, n = 3), back CSFLs occurred earlier than in the hypochondriac region (18.25 ± 6.45 vs 115 ± 62.02 days, P = 0.032).</p><p><strong>Conclusion: </strong>Based on the data from our study, the timing of preoperative targeted therapy and postoperative immunotherapy should be considered to prevent the occurrence of CSFLs in cancer pain patients who have an IDDS and external pump.</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":" ","pages":"637-650"},"PeriodicalIF":4.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11111433/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140898987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analyzing the Effect of Intraoperative Stimulation Voltage on Facial Numbness Following Radiofrequency Thermocoagulation in the Treatment of Idiopathic Trigeminal Neuralgia. 分析射频热凝术治疗特发性三叉神经痛后术中刺激电压对面部麻木的影响
IF 4.1 2区 医学
Pain and Therapy Pub Date : 2024-06-01 Epub Date: 2024-03-15 DOI: 10.1007/s40122-024-00587-5
Aitao Wang, Jingjing Bian, Na Li, Jiaxiang Ni, Lea Zila, Yuanzhang Tang
{"title":"Analyzing the Effect of Intraoperative Stimulation Voltage on Facial Numbness Following Radiofrequency Thermocoagulation in the Treatment of Idiopathic Trigeminal Neuralgia.","authors":"Aitao Wang, Jingjing Bian, Na Li, Jiaxiang Ni, Lea Zila, Yuanzhang Tang","doi":"10.1007/s40122-024-00587-5","DOIUrl":"10.1007/s40122-024-00587-5","url":null,"abstract":"<p><strong>Introduction: </strong>Radiofrequency thermocoagulation (RFT) effectively alleviates idiopathic trigeminal neuralgia (ITN); however, postoperative facial numbness poses a significant challenge. This issue arises due to the close proximity of high-temperature thermocoagulation, which not only ablates pain-related nociceptive fibers but also affects tactile fibers. Intraoperative sensory stimulation voltage (SV), which reflects the distance between the RFT cannula and the target nerve, potentially possesses the ability to prevent tactile fiber injury. This study aimed to investigate the influence of SV on postoperative facial numbness and provide valuable insights to mitigate its occurrence.</p><p><strong>Methods: </strong>A retrospective analysis was performed on 72 ITN patients with maxillary division (V2) pain who underwent RFT between 2020 and 2022. Among them, 13 patients with SV ≤ 0.2 V constituted the low SV group. Subsequently, a matched-cohort analysis was conducted on the remaining 59 patients. The patients paired with the low SV patients were subsequently enrolled in the high SV group, adhering to a 1:1 match ratio. The primary outcome was the facial numbness scale assessment at 3 days, 3 months and 6 months post-surgery. The pain intensity and medication burden served as the secondary outcomes.</p><p><strong>Results: </strong>We successfully matched a cohort consisting of 12 patients in the low SV group and 12 patients in the high SV group. Each patient experienced various degrees of facial numbness at 3 days post-RFT. Notably, the low SV group exhibited a higher incidence of moderate numbness (66.7% vs. 16.67%, P = 0.036), whereas the high SV group had more cases of mild numbness at the 6-month follow-up (25% vs. 83.3%, P = 0.012). Both groups demonstrated significant decreases in pain intensity and medication burden compared to before the operation.</p><p><strong>Conclusions: </strong>SV proved to be a reliable parameter for mitigating the degree of postoperative facial numbness in RFT treatment for ITN. A relatively high sensory SV ranging from 0.3 to 0.6 V during the RFT procedure results in less facial numbness in the treatment of ITN.</p>","PeriodicalId":19908,"journal":{"name":"Pain and Therapy","volume":" ","pages":"543-555"},"PeriodicalIF":4.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11111637/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140137104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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