Acute abdominal pain in women at an emergency department: Predictors of chronicity

Socioeconomic status and occurrence of chronic pain: a meta-analysis

OBJECTIVE

To examine the association between socioeconomic status (SES) and the occurrence of chronic pain, defined as pain that persists or recurs for >3 months.

METHODS

We performed a structured search in Medline, Embase, WHO Global Index Medicus and Conference Proceedings Citation Index-Science databases to identify cohort and case-control studies on chronic pain and SES and its subgroups (SES combined index, educational level, income and occupational status). We extracted study characteristics, outcome measures and measures of association and their 95% CIs. Literature search, data extraction and risk of bias assessment were conducted by two independent researchers. We performed main and subgroup meta-analyses using random-effects model, and formally assessed heterogeneity and publication bias.

RESULTS

A total of 45 studies, covering a population of ∼175 000 individuals, were meta-analysed, yielding a pooled Odds Ratio (OR) of 1.32 (95% CI: 1.21, 1.44) and 1.16 (95% CI: 1.09, 1.23) for low and medium SES levels, respectively, compared with high level. We obtained similar results in all the subgroup analyses. Heterogeneity was generally moderate to high across strata, and some evidence of publication bias for low socioeconomic status was found.

CONCLUSION

Our results support a moderate increase in the risk of chronic pain for low and medium SES when compared with high SES, a feature that remained constant in all measures of exposure or outcome used. Further prospective research on populations from developing countries are needed to confirm our findings as the studies available for this meta-analysis were carried out exclusively in developed countries.

Painful Discrimination in the Emergency Department: Risk Factors for Underassessment of Patients' Pain by Nurses

INTRODUCTION

Unrelieved acute musculoskeletal pain continues to be a reality of major clinical importance, despite advancements in pain management. Accurate pain assessment by nurses is crucial for effective pain management. Yet inaccurate pain assessment is a consistent finding worldwide in various clinical settings, including the emergency department. In this study, pain assessments between nurses and patients with acute musculoskeletal pain after extremity injury will be compared to assess discrepancies. A second aim is to identify patients at high risk for underassessment by emergency nurses.

METHODS

The prospective PROTACT study included 539 adult patients who were admitted to the emergency department with musculoskeletal pain. Data on pain assessment and characteristics of patients including demographics, pain, and injury, psychosocial, and clinical factors were collected using questionnaires and hospital registry.

RESULTS

Nurses significantly underestimated patients' pain with a mean difference of 2.4 and a 95% confidence interval of 2.2-2.6 on an 11-points numerical rating scale. Agreement between nurses' documented and patients' self-reported pain was only 27%, and 63% of the pain was underassessed. Pain was particularly underassessed in women, in persons with a lower educational level, in patients who used prehospital analgesics, in smokers, in patients with injury to the lower extremities, in anxious patients, and in patients with a lower urgency level.

DISCUSSION

Underassessment of pain by emergency nurses is still a major problem and might result in undertreatment of pain if the emergency nurses rely on their assessment to provide further pain treatment. Strategies that focus on awareness among nurses of which patients are at high risk of underassessment of pain are needed.

Incidence and prognostic factors of chronic pain after isolated musculoskeletal extremity injury

BACKGROUND

Chronic pain in patients is usually related to an episode of pain following acute injury, emphasizing the need to prevent progression from acute to chronic pain. Multiple factors in the acute phase might be responsible for perpetuating the pain. The presentation of patients at the emergency department (ED) presents a prime opportunity to identify patients at high risk for chronic pain and to start appropriate treatment.

METHODS

The PROTACT study is a prospective follow-up study aiming to estimate the incidence and prognostic factors responsible for the development of chronic pain after musculoskeletal injury. Data including sociodemographic, pain, clinical, injury- or treatment-related and psychological factors of 435 patients were collected from registries and questionnaires at ED visit, 6-week, 3- and 6-month follow-up.

RESULTS

At 6 months post-injury, 43.9% of the patients had some degree of pain (Numeric Rating Scale (NRS) ≥1) and 10.1% had chronic pain (NRS ≥4). Patients aged over 40 years, in poor physical health, with pre-injury chronic pain, pain catastrophizing, high urgency level and severe pain at discharge were found to be at high risk for chronic pain.

CONCLUSIONS

Two prognostic factors, severe pain at discharge and pain catastrophizing, are potentially modifiable. The implementation of a pain protocol in the ED and the use of cognitive-behavioural techniques involving reducing catastrophizing might be useful.