Post-sternotomy movement strategies in adults: a scoping review

AIMS

Post-sternotomy movement strategies for adults should be an evidence-informed approach and support a safe, independent return to daily activity. Recent new movement strategies have emerged. The aim of this scoping review was to identify and summarize the available evidence for post-sternotomy movement strategies in adults.

METHODS AND RESULTS

The electronic databases searched included MEDLINE, Embase, Sport Discus, CINAHL, Academic Search Complete, the Cochrane Library, Scopus, and PEDro. The search did not have a date limit. After 2405 duplicates were removed, 2978 records were screened, and 12 were included; an additional 2 studies were identified through reference searching for a total of 14 included studies. A data extraction table was used, and the findings are summarized in a tabular and narrative form. Three post-sternotomy movement strategies were identified in the literature: sternal precautions (SP), modified SP, and Keep Your Move in the Tube (KYMITT™). The authors suggested that the practice of SP was based on expert opinion and not founded in evidence. However, the evidence from the identified articles suggested that new movement strategies are safe and allow patients to choose an increased level of activity that promotes improved functional status and confidence.

CONCLUSION

More prospective cohort studies and multi-centred randomized control trials are needed; however, the current evidence suggests that modified SP and KYMITT™ are as safe as SP and can promote a patient-centred approach.

REGISTRATION

University of Calgary's Digital Repository PRISM http://hdl.handle.net/1880/115439.

Motion at the Sternal Edges During Upper Limb and Trunk Tasks In-Vivo as Measured by Real-Time Ultrasound Following Cardiac Surgery: A Three-Month Prospective, Observational Study

BACKGROUND

Despite a paucity of evidence, patients following cardiac surgery via median sternotomy are routinely prescribed sternal precautions that restrict upper limb and trunk movements, with the rationale of reducing postoperative sternal complications such as sternal wound dehiscence, instability, infection and/or pain. The primary aim of this study was to measure motion at the sternal edges during dynamic upper limb and trunk tasks to better inform future sternal precautions and optimise postoperative recovery. Motion at the sternal edges was measured using ultrasound, which has been demonstrated to be a clinically valid and reliable measure in patients following cardiac surgery.

METHODS

Seventy-five (75) patients following cardiac surgery via median sternotomy with conventional stainless steel wire closure were recruited. Motion at the sternal edges in the lateral (coronal plane) and anterior-posterior (sagittal plane) directions was measured at the level of the fourth intercostal space (mid-sternum) using ultrasound. Ultrasound measures were taken at rest and during five dynamic upper limb and trunk tasks (deep inspiration, cough, unilateral and bilateral upper limb elevation and sit to stand), over the first 3 postoperative months (3 to 7 days, 6 weeks and 3 months postoperatively). Sternal pain, functional status and sternal healing were also observed over the same postoperative period.

RESULTS

The magnitude of overlap of the sternal edges in the lateral direction, and separation of the sternal edges in the anterior-posterior direction, both significantly decreased by 0.01cm, over the first 3 postoperative months (p<0.01). Coughing, however, produced a significant increase in separation of the sternal edges in the lateral direction (0.01-0.02cm) and pain (12-63%), compared to rest and all other tasks, at each postoperative time point (p<0.01). Additionally, there was a significant decrease in sternal pain (81%) and increase in postoperative function (79%) over the same postoperative period (p<0.01). At 3 months postoperatively, five (7%) participants demonstrated radiological sternal union and one (1%) participant was diagnosed with clinical sternal instability.

CONCLUSIONS

A small magnitude of multi-planar motion at the sternal edges, at the mid-sternum, was demonstrated during dynamic upper limb and trunk tasks in a cohort of cardiac surgery patients post-sternotomy, over the first 3 postoperative months. Future research investigating motion at different levels of the sternum, with varying methods of sternal closure, and over a longer postoperative period is warranted to better inform sternal precautions and optimise postoperative recovery.

Standard restrictive sternal precautions and modified sternal precautions had similar effects in people after cardiac surgery via median sternotomy ('SMART' Trial): a randomised trial

QUESTION

In people who have undergone cardiac surgery via median sternotomy, does modifying usual sternal precautions to make them less restrictive improve physical function, pain, kinesiophobia and health-related quality of life?

DESIGN

Two-centre, randomised, controlled trial with concealed allocation, blinded assessors and intention-to-treat analysis.

PARTICIPANTS

Seventy-two adults who had undergone cardiac surgery via a median sternotomy were included.

INTERVENTION

Participants were randomly allocated to one of two groups at 4 (SD 1) days after surgery. The control group received the usual advice to restrict their upper limb use for 4 to 6 weeks (ie, restrictive sternal precautions). The experimental group received advice to use pain and discomfort as the safe limits for their upper limb use during daily activities (ie, less restrictive precautions) for the same period. Both groups received postoperative individualised education in hospital and via weekly telephone calls for 6 weeks.

OUTCOME MEASURES

The primary outcome was physical function assessed by the Short Physical Performance Battery. Secondary outcomes included upper limb function, pain, kinesophobia, and health-related quality of life. Outcomes were measured before hospital discharge and at 4 and 12 weeks postoperatively. Adherence to sternal precautions was recorded.

RESULTS

There were no statistically significant differences in physical function between the groups at 4 weeks (MD 1.0, 95% CI -0.2 to 2.3) and 12 weeks (MD 0.4, 95% CI -0.9 to 1.6) postoperatively. There were no statistically significant between-group differences in secondary outcomes.

CONCLUSION

Modified (ie, less restrictive) sternal precautions for people following cardiac surgery had similar effects on physical recovery, pain and health-related quality of life as usual restrictive sternal precautions. Similar outcomes can be anticipated regardless of whether people following cardiac surgery are managed with traditional or modified sternal precautions.

TRIAL REGISTRATION

Australian and New Zealand Clinical Trials Registry ANZCTRN12615000968572. [Katijjahbe MA, Granger CL, Denehy L, Royse A, Royse C, Bates R, Logie S, Nur Ayub MA, Clarke S, El-Ansary D (2018) Standard restrictive sternal precautions and modified sternal precautions had similar effects in people after cardiac surgery via median sternotomy ('SMART' Trial): a randomised trial. Journal of Physiotherapy 64: 97-106].