Characterizing the Use of Expectations in Orthopedic Surgery Research: A Scoping Review

Fulfillment of Patient Expectations after Acute Respiratory Failure: A Multicenter Prospective Cohort Study

Rationale: Discussion of patient expectations for recovery is a component of intensive care unit (ICU) follow-up clinics. However, few studies have formally evaluated recovery-related expectations of ICU survivors. Objectives: To estimate the prevalence of unmet expectations for recovery 6 months after hospital discharge among adult survivors of acute respiratory failure (ARF). Methods: This was a prospective, longitudinal, cohort study of survivors of ARF discharged to home from five U.S. medical centers. Expectations for functional recovery were assessed by asking which activities and instrumental activities of daily living (I/ADLs) survivors expected to perform independently at 6 months. Survivors' expectations for overall health status were assessed using a visual analogue scale ranging from 0 to 100. At 6-month follow-up, participants reported which I/ADLs they could perform independently and rated their overall health status using a 100-point visual analogue scale. We defined a participant's functional expectations as being met if they reported independently performing I/ADLs as expected at hospital discharge. Health expectations were considered to be met when self-rated health status at 6 months was no more than 8 points lower than expected at enrollment. Results: Among 180 enrollees, 169 (94%) were alive, and 160 of these (95%) participated in 6-month follow-up. Functional expectations were met for 71% of participating survivors, and overall health expectations were met for 50%. Expectations for functional independence were high, ranging from 87% (housekeeping) to 99% (using a telephone). General health expectations were variable (median, 85; interquartile range [IQR], 75-95). At 6-month follow-up, self-rated, overall health ranged from 2 to 100 (median, 80; IQR, 60-85). In exploratory analyses, participants with met versus unmet expectations differed most in formal education (functional expectations standardized difference = 0.88; health expectations standardized difference = 0.41). Conclusions: Expectations of survivors of ARF about independent functioning were high and generally met, but half had unmet general health expectations 6 months after discharge. It is difficult to predict whose health expectations will be unmet, but possessing less formal education may be a risk factor. Clinical trial registered with www.clinicaltrials.gov (NCT03797313).

Parental Caregiver Expectations and Satisfaction Following Hip Reconstruction and Spinal Fusion in Children With Cerebral Palsy

Children with severe (Gross Motor Function Classification System [GMFCS] IV-V) cerebral palsy (CP) exhibit profound physical and developmental impairments and require assistance for all activities of daily living. No curative treatments exist although surgical procedures to correct underlying hip and spine deformities can improve their quality of life. Despite the efficacy of these surgeries, little is known regarding parental caregivers' expectations specific to surgical outcomes and their satisfaction with surgical outcomes. The purpose was to explore parental caregiver expectations and satisfaction with hip and spine surgeries that their children with GMFCS IV-V CP underwent. Variations among preoperative expectations, changes in expectations over time, and the relationship of expectations on caregiver satisfaction were examined. A qualitative descriptive approach with conventional content analysis was utilized. Three preoperative caregiver expectation themes were identified: increasing functionality, increasing comfort, and maintaining health and averting crisis. These themes were still present at 5-year follow-up; however, more caregivers refocused their expectations from improving function to providing palliation. A clear relationship between expectations and caregiver satisfaction, however, was not identified. A deeper understanding surrounding caregiver expectation and satisfaction following surgical procedures is needed.

Editorial Commentary: Assessing Outcomes in Terms of Fulfillment of Patient Expectations Is Complementary to Traditional Measures Including Satisfaction

The topic of patients' expectations is receiving increasing attention as a patient-centered variable in preoperative orthopaedic assessment. Formally querying patients about expectations is necessary because surgeons may not be aware of these expectations, which often derive from multiple sources outside encounters with surgeons. Validated patient-derived surveys now exist for diverse orthopaedic surgeries to preoperatively measure expectations for improvement in symptoms and physical and psychological well-being. Assessing results of surgery in terms of fulfillment of these expectations is a patient-centered outcome that complements traditional measurements of satisfaction and pre- to postoperative change in symptoms and function. Validated follow-up surveys also now exist that ask patients for each item they expected before surgery, how much improvement have they actually received after surgery. The amount of improvement expected versus the amount of improvement received constitutes a measure of fulfilled expectations. The advantages of fulfillment of expectations as an outcome are that it prospectively includes both pre- and postoperative patients' perspectives and, because it is composed of multiple items, it can identify which symptoms and functions have improved to expected levels and which have not, thus providing the rationale for why patients rate outcomes the way they do. Therefore, measured in this way, postoperative fulfillment of expectations is a unique and novel patient-centered assessment for the comprehensive evaluation of orthopaedic surgical outcomes.

The effects of patients' expectations on surgery outcome in total hip and knee arthroplasty: a prognostic factor meta-analysis

Patients' expectations are among the most frequently studied psychological prognostic factors in total knee and hip arthroplasty (TKA/THA). So far, however, evidence on the effect of patients' preoperative expectations on surgery outcome is inconclusive. Heterogeneity of expectation constructs and the use of psychometrically not evaluated measurement instruments have constituted major obstacles for the integration of the current literature. Using a theory-based model of expectation constructs , this meta-analysis set out to disentangle the conflicting results in the current literature. Systematic literature searches yielded k = 46 studies (N = 10,465) that reported associations of preoperative expectations with postoperative pain, functioning and disability, and satisfaction. Random effects meta-analysis revealed a robust small association (r = .16; 95% CI .13, .19) between patients' positive preoperative expectations and better postoperative outcomes. This effect did not differ between THA and TKA, different outcome categories and different follow-up periods. Studies using psychometrically evaluated expectation measures reported significantly higher effects (r = .19; 95% CI .16, .22). Whether this effect varies among different expectation constructs remains unclear. High-quality studies using validated, multidimensional expectation measures are needed to further understand the role of different expectation constructs in THA and TKA surgery.

Development of the generic, multidimensional Treatment Expectation Questionnaire (TEX-Q) through systematic literature review, expert surveys and qualitative interviews

OBJECTIVE

Patients' expectations-as a central mechanism of placebo and nocebo effects-are an important predictor of health outcomes. However, the lack of a way to assess expectations across different settings restricts progress in understanding the role of expectations and to quantify their importance in medical and psychological treatments. The aim of this study was to develop a theory-based, generic, multidimensional measure assessing patient expectations of medical and psychological treatments.

DESIGN

The Treatment Expectation Questionnaire (TEX-Q) was developed based on the integrative model of expectations and a systematic literature review of treatment expectation scales. After creating a comprehensive item pool, the scale was further refined by use of expert ratings and patient interviews.

SETTING

Patients were recruited in primary care at two hospitals in Hamburg, Germany.

PARTICIPANTS

13 scientific experts participated in the expert survey. 11 patients waiting for psychological or surgical treatments participated in the qualitative interviews.

RESULTS

The 2×2×2 multidimensional structure of the TEX-Q assesses two expectation constructs (probabilistic vs value-based) across two outcome domains with two valences (direct benefits and adverse events, broader positive and negative impact), plus process and behavioural control expectations. We examined 583 items from 38 scales identified in the systematic review and developed 78 initial items. Content validity was then rated by experts according to item fit and comprehensibility. The best 53 items were further evaluated for comprehensibility, acceptability, phrasing preference and understanding by interviewing patients prior to treatment using the 'think aloud' technique. This resulted in a first 35-item version of the TEX-Q.

CONCLUSIONS

The TEX-Q is a generic, multidimensional measure to assess patient expectations of medical and psychological treatments and allows comparison of the impact of multidimensional expectations across different conditions. The final TEX-Q will be available after psychometric validation.