Language：English   Publishing type：Research paper (scientific journal)  

INTRODUCTION: Celiac plexus block is effective for treating intractable cancer pain and has been the focus of many studies. Several guiding techniques such as fluoroscopy, computed tomography, and endoscopy have been devised, and the target of the block has varied in previous studies as both the celiac plexus and splanchnic nerve, which is the main origin of the celiac plexus, have been targeted. At our affiliated institution, fluoroscopy-guided splanchnic nerve block with a single needle via transintervertebral disc approach is the first choice. However, there have been few reports on the use of this technique. This study investigated the efficacy and safety of this technique. METHODS: This multicenter retrospective observational study reviewed the medical records of patients who underwent neurolytic splanchnic nerve block (NSNB) via transintervertebral disc approach for intractable cancer pain at five tertiary hospitals in Japan from April 2005 to October 2020. The primary outcome was the clinical success ratio of NSNB, and the secondary outcome was the incidence ratio of NSNB-related adverse events. RESULTS: In total, 103 patients were included in the analysis. Of these, 77 patients met the definition of clinical success, with a ratio of 74.8%. The incidence ratio of NSNB-related adverse events was 40.8% (hypotension, 21.4%; alcohol intoxication, 13.6%; diarrhea, 11.7%; and vascular puncture, 3.9%; duplicates were present). All adverse events improved with observation and symptomatic treatment only. No patient had infection or serious adverse events such as organ or nerve damage. CONCLUSIONS: The clinical success ratio of this technique was 74.8%. Although the incidence of adverse events was 40.8%, all events were mild and no serious adverse events were observed. The findings demonstrate the efficacy and safety of our NSNB in patients with intractable cancer pain.

DOI： 10.1007/s40122-022-00432-7

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Scientific Research Publishing, Inc.  

DOI： 10.4236/ijcm.2022.133009

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Language：English   Publishing type：Research paper (scientific journal)  

INTRODUCTION: Opioid analgesics are essential for treating cancer pain. However, patients are sometimes reluctant to use them because of concerns about addiction and dependence. Rapid pain relief following opioid administration may help overcome the psychological barriers to opioid analgesic use. This study aims to determine the relationship between psychological resistance to strong opioid analgesic use and pain amelioration speed in patients with advanced recurrent cancer. METHODS AND ANALYSIS: This ongoing, multicentre, observational study enrols patients aged 20 years or older with distant metastasis or advanced recurrent cancer receiving strong opioid analgesics for cancer pain for the first time. All participants, both inpatient and outpatient, were recruited from five Japanese hospitals. We are investigating the relationship between psychological barriers at the start of treatment and pain relief during the first week of treatment in these patients. The primary outcome is the Japanese version of the Barriers Questionnaire-II score at baseline. The secondary outcomes are the relationships between psychological barriers to strong opioid analgesic use and changes in pain over time. The participants are asked to fill out an electronic patient-reported outcome daily during the first week of treatment. The sample size was determined based on the number of patients in the year prior to study commencement who used strong opioid analgesics, met the eligibility criteria and could be expected to consent to participate in the study. ETHICS AND DISSEMINATION: The study protocol was approved by the ethics committee (approval ID B200600091) of Yokohama City University on 24 August 2020. The protocol has been reviewed by the institutional review boards at the four participating study sites. The results will be published in a peer-reviewed journal and will be presented at a relevant meeting. TRIAL REGISTRATION NUMBER: UMIN000042443.

DOI： 10.1136/bmjopen-2021-054914

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Language：Japanese   Publisher：真興交易(株)医書出版部  

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Language：English   Publishing type：Research paper (scientific journal)  

OBJECTIVES: To determine the prevalence of neuropathic pain among terminally ill patients with cancer admitted to a general ward, using the International Association for the Study of Pain algorithm. METHODS: This prospective observational study was conducted at a tertiary care center. We enrolled terminally ill patients with cancer admitted to the general ward between September 2018 and September 2019. On the day of consultation with our palliative care team, pain management clinicians examined and diagnosed neuropathic pain using the International Association for the Study of Pain diagnostic criteria. RESULTS: A total of 108 patients were enrolled during the study period. The median age was 69 years (interquartile range [IQR] 58.3-76.8 years), 72 patients (66.7%) were men, and the median survival time was 33 days (IQR 14.3-62 days). Of the 108 patients, 33 (30.6%) had neuropathic pain. Patients with neuropathic pain had more severe pain than those without neuropathic pain. CONCLUSIONS: The prevalence of neuropathic pain in terminally ill patients with cancer admitted to a Japanese general ward was 30.6%. Further studies are warranted to elucidate whether the accurate diagnosis of neuropathic pain can improve pain control and/or patient conditions.

DOI： 10.1177/0300060520987726

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Language：Japanese   Publisher：(一社)日本ペインクリニック学会  

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Other Link： https://search-tp.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2019&ichushi_jid=J03612&link_issn=&doc_id=20190628550005&doc_link_id=%2Fca0jjspc%2F2019%2F002602%2F005%2F0116-0121%26dl%3D0&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fca0jjspc%2F2019%2F002602%2F005%2F0116-0121%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

Language：Japanese   Publishing type：Research paper (scientific journal)  

We offer inpatient support for end-stage cancer patients, not only in palliative care units, but also in general medical and long-term care units. We also provide outpatient palliative care and offer emergent backup for the regional home care clinics. From January 2014 to December 2016, 1,832 patients were hospitalized, and among them, 983 patients visited our hospital on an emergency basis. Among the urgent hospitalized patients, 378 patients returned home after adequate palliative care. But 605 patients had to stay admitted in the hospital until their time of death. Ninety-one patients died within 48 hours after urgent hospitalization. Of these 91 patients, 70% came to our hospital because of increasing dyspnea and decreased level of consciousness additionally, 36 of 91 patients had received treatment by home care clinic doctors, and 50% of them had hoped for at-home death. The patients' preference of treatment facility tends to vary depending on their general condition. Hence, we have to offer appropriate facilities for palliative care. Building good relationships between hospitals and regional home care clinics and creating a system for patients to choose the appropriate time and place for treatment with a smooth transition from their home to the hospital during their end-of-life period is important in this process.

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Language：Japanese   Publisher：日本慢性疼痛学会  

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Language：Japanese   Publisher：真興交易(株)医書出版部  

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Language：English   Publishing type：Research paper (scientific journal)  

DOI： 10.3233/THC-130754

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Language：Japanese   Publisher：長崎医学会  

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