Forner-Álvarez Carlos, Cuenca-Martínez Ferran
Faculty of Physiotherapy, University of Valencia, c/Gascó Oliag, 46010 Valencia, Spain.
Department of Physiotherapy, University of Valencia, c/Gascó Oliag, 46010 Valencia, Spain.
Brain Sci. 2025 Mar 14;15(3):308. doi: 10.3390/brainsci15030308.
Pain memory refers to the ability to encode, store, and recall information related to a specific pain event. Reviewing its common features is crucial, as it provides researchers with a foundational guide for designing studies that assess pain memory in individuals with chronic pain. The primary objective of this study was to examine the common characteristics-particularly the methodological approaches-of existing research on pain memory in adults with chronic pain. A scoping review was conducted using PubMed and Embase as search databases. Studies were included if they met the following criteria. (a) It involved only adults with chronic pain and (b) assessed at least one of the following parameters: pain intensity or pain unpleasantness. The exclusion criteria were the following: (a) not having pain memory assessment as a primary objective, (b) including participants under 18 years of age, (c) involving individuals without chronic pain (e.g., those with acute pain or healthy participants), (d) lacking essential information, or (e) unavailability of the full text. From an initial pool of 4585 papers, 11 studies met the inclusion criteria. All studies exclusively involved adults with chronic pain, and all reported pain intensity, while only 27% assessed pain unpleasantness. Additionally, psychosocial variables were the most frequently reported non-pain-related outcomes. Regarding study protocols, most relied on daily data collection, with the most common recall period being within the first 48 h. The methodological characteristics identified in this review-particularly those with a high frequency of occurrence-should serve as fundamental guidelines for future research on pain memory in adults with chronic pain, and should be carefully considered by investigators in this field.
疼痛记忆是指对与特定疼痛事件相关的信息进行编码、存储和回忆的能力。审视其共同特征至关重要，因为这为研究人员设计评估慢性疼痛个体疼痛记忆的研究提供了基本指导。本研究的主要目的是检验关于慢性疼痛成人疼痛记忆的现有研究的共同特征，尤其是方法学途径。使用PubMed和Embase作为检索数据库进行了一项范围综述。符合以下标准的研究被纳入。（a）仅涉及慢性疼痛成人，且（b）评估以下至少一个参数：疼痛强度或疼痛不愉快程度。排除标准如下：（a）未将疼痛记忆评估作为主要目标，（b）纳入18岁以下参与者，（c）涉及无慢性疼痛个体（如急性疼痛患者或健康参与者），（d）缺乏关键信息，或（e）无法获取全文。从最初的4585篇论文中，11项研究符合纳入标准。所有研究均专门涉及慢性疼痛成人，所有研究均报告了疼痛强度，而仅27%评估了疼痛不愉快程度。此外，心理社会变量是最常报告的非疼痛相关结局。关于研究方案，大多数依赖每日数据收集，最常见的回忆期为前48小时内。本综述中确定的方法学特征，尤其是那些出现频率高的特征，应作为未来慢性疼痛成人疼痛记忆研究的基本指南，该领域的研究人员应仔细考虑。
