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BMJ. Nov 7, 1998; 317(7168): 1275–1279.
PMCID: PMC28705

Randomised controlled trial of effects of early discharge after surgery for breast cancer

Nigel Bundred, reader in surgical oncology,a Peter Maguire, director,c Jill Reynolds, research assistant,a Jill Grimshaw, research nurse,a Julie Morris, statistician,b Lesley Thomson, breast care nurse,a Lester Barr, consultant surgeon,a and Andrew Baildam, senior lecturera

Abstract

Objective

To determine the effect of early discharge from hospital after surgery for breast cancer on physical and psychological illness.

Design

Randomised controlled trial comparing discharge two days after surgery (before removal of drain) with standard management (discharge after removal of drain).

Setting

Regional breast unit.

Subjects

100 women with early breast cancer undergoing mastectomy and axillary node clearance (20) or breast conservation surgery (80).

Main outcome measures

Physical illness (infection, seroma formation, shoulder movement) and psychological illness (checklist of concerns, Rotterdam symptom questionnaire, hospital anxiety and depression scale) preoperatively and at one month and three months postoperatively.

Results

Women discharged early had greater shoulder movement (odds ratio 0.28 (95% confidence interval 0.08 to 0.95); P=0.042) and less wound pain (odds ratio 0.28 (0.10 to 0.79); P=0.016) three months after surgery compared with women given standard management. One month after surgery scores were significantly lower on the Rotterdam symptom questionnaire in patients who were discharged early (ratio of geometric mean scores 0.73 (0.55 to 0.98); P=0.035), but rates of psychological illness generally did not differ between groups.

Conclusions

Increased rates of physical or psychological illness did not result from early discharge after surgery for breast cancer. This policy can be recommended for patients with support at home.

Key messages

  • The average hospital stay after surgery for breast cancer is seven days in the United Kingdom
  • This study found that discharge two days after such surgery does not affect rate of complications
  • A short stay in hospital with support from specialist breast care nurses on the patient’s return home is acceptable to patients
  • Psychosocial illness is not affected by early discharge
  • Early discharge home facilitates shoulder movement and reduces subsequent wound pain
  • Patients suitable for early discharge must have support from a relative at home and be in good physical health

Introduction

Increasing hospital costs have raised demands for improved efficiency in the use of hospital beds. Early discharge of patients who have had surgery for breast cancer is routine practice in the United States, but the average postoperative stay in the United Kingdom is seven days.15

Physical recovery after surgery is rapid, but patients require the insertion of drains to prevent fluid collecting in their wounds (seroma formation) and usually remain in hospital until the drains are removed. Early removal of drains leads to an unacceptably high rate of seromas, which often require repeated drainage by needle aspiration in outpatient clinics.15 Other potential complications of early discharge include an increased rate of wound infection and decreased shoulder function,14 although an open non-randomised study reported no increase in complications.5 Another potential benefit from extended stay is that it may aid psychological adaptation to the cancer diagnosis and changed physical appearance.

Several non-randomised studies in the United States have asserted that the stay in hospital for patients with breast cancer can be safely reduced by five days if women are discharged with wound drains still in place and have support at home from a partner.24 Cohen et al compared 39 patients who had been discharged early with historical controls and reported that average stay in hospital was reduced from 9.5 to 4.7 days.3 Edwards et al reported an average reduction of six days in hospital in 61 patients and claimed a 39% reduction in hospital costs.4 If a similar reduction of 5-6 days’ stay could be achieved in the United Kingdom hospital costs would be reduced by around £1000 per patient (five days in hospital at £200 a day), yielding potential savings to the NHS.

Despite the widespread practice of discharging patients 48 hours after surgery in the United States, no studies have compared this practice with standard British practice. Management of women after breast surgery in the United Kingdom has remained hospital based because of an unwillingness to redeploy hospital based specialist breast nurses to outpatient clinics5 and concerns that early discharge might have adverse psychological effects. Moreover, the impact of discharge within three days on physical or psychological illness in patients or on workload in primary care has not, to our knowledge, been assessed in a randomised controlled trials to date.

We tested the hypothesis that early discharge after surgery for cancer has no adverse physical or psychological effects on patients.

Patients and methods

From 1 January 1996 to 1 April 1997, 365 women undergoing surgery for early breast cancer in this breast unit were offered either early discharge at two days after surgery (with an axillary drain still in place) or standard discharge after all drains have been removed as part of a randomised controlled trial. The trial was approved by the South Manchester Ethics Committee, and all women gave written informed consent. Thirty women were excluded from the trial because they were over 75; 87 because they lived in health districts more than 32 km from this hospital; 60 because they had no social support at home; 31 because they had concurrent medical illness; and 21 for other reasons such as language difficulties. Of the 136 eligible patients, 100 consented to the trial and 36 refused (figure). We aimed to recruit 200 women to also assess care by district nurses of patients discharged early, but in this paper we report the results of a planned interim analysis to confirm no adverse consequences of early discharge in the first 100 women to complete the study.

Patients who consented to the trial were recruited in an outpatient clinic and given an admission date (usually 2-3 weeks later). At the beginning of the week of each admission a sealed envelope was opened by a research nurse (JG) to find the randomisation code for that week (either standard discharge or early discharge). Patients were thus randomised in clusters by week. The number of patients admitted during a week varied from one to four, with an average of two. To ensure that early discharge had no adverse consequences we required a sample size of around 50 patients in each group. Given an average cluster size of two and an intraclass correlation coefficient of 0.02, the study would have 80% power to test the equivalence of outcomes to within 20%.

Women were treated by three consultant surgeons (NB, LB, and AB), all of whom adopted an agreed discharge policy. Patients randomly allocated to early discharge were sent home 48 hours postoperatively with an axillary siphon drain in place. Standard management consisted of keeping the patients in hospital until wound drainage was less than 50 ml/day, when the drain could be removed (usually days 5-10).

Patients randomly allocated to early discharge were instructed how to manage the wound drain and given information sheets on wound care. Their partners were also given instruction and information sheets. They were asked to measure the volume of fluid draining from the wound and were telephoned daily by specialist breast nurses and visited by them every other day. A 24 hour telephone contact number was provided during the study for all patients. The drain was removed when the volume of fluid was less than 50 ml a day. Breast nurses also communicated with district nurses about the management of wound drainage in patients with breast cancer.

Study end points

The amount of fluid drained and the time to drain removal was compared for each group, as well as wound complications, including haematoma, seroma, and infection (defined as any redness of the wound or any episodes requiring antibiotic treatment). The number of return visits to hospital and any extra visits to see general practitioners or district nurses were recorded in each group.

Shoulder movement was assessed preoperatively and at one and three months postoperatively in both groups by the research nurse (JG). Patients were asked about functional shoulder movements, and the degree of abduction, adduction, internal or external rotation, flexion, and extension was measured. In particular, any limitation of movement that prevented a patient combing her hair or fastening her bra was noted. Both groups were visited by a physiotherapist before discharge to advise on shoulder exercises.

All patients were asked to record how many times they visited their district nurse or general practitioner, and their requirement for analgesia was used to define the presence or absence of wound pain.

The hospital anxiety and depression scale, Rotterdam symptom checklist, and Spielberger state or trait anxiety inventory were completed by the patients preoperatively and at one and three months postoperatively to measure their mood state, current concerns, and quality of life.68 A checklist of concerns was developed from work by Devlen.9

Statistical analysis

Data were analysed on the basis of intention to treat using the statistical package stata. To assess the significance of differences between the groups we used logistic regression analysis with adjustment for clustering on weeks for binary outcomes such as wound pain and number of visits to a general practitioner. Results are expressed as odds ratios with 95% confidence intervals. For continuous outcomes such as psychiatric illness and time until removal of the drain we used random effects linear regression analysis with adjustment for clustering on weeks. These data were all positively skewed and required logarithmic transformation to achieve a reasonable approximation to a normal distribution. Results are expressed as geometric means and ratios of mean effects with 95% confidence intervals.

Results

Data on physical illness were collected from all of the 136 eligible patients. Data on psychiatric illness were collected only from patients who agreed to the study. As two women died three months after the operation and two refused to be interviewed, the psychiatric outcome is based on data from 96 women (47 allocated to early discharge and 49 to standard discharge) (figure).

Physical outcome

The median age of women allocated to early discharge was 54 (range 31-74) compared with 57 (38-74) in those allocated to standard discharge. Eighty per cent of each group had a partner at home and 20% had other support. Eleven of the 36 women who refused to participate (31%) were scheduled for mastectomy compared with 16 of the group who consented to the trial (16%). The median hospital stay postoperatively in the patients who were discharged early was 2 (2-8) days compared with 5 (3-13) days in the patients who were discharged in the standard time, and 6 (1-11) in those who refused to participate in the trial. In total, 42 patients allocated to early discharge had an axillary drain still in place three days postoperatively. Five patients allocated to early discharge remained in hospital because of medical problems or home circumstances. One patient allocated to early discharge required readmission to hospital three weeks after surgery because of a pulmonary embolism (which developed after starting chemotherapy) and another in the same group died of a myocardial infarction seven days postoperatively without having been discharged. Three patients allocated to standard discharge were readmitted to hospital with wound infections (table (table1).1).

Table 1
Physical illness among women after surgery for breast cancer. Values are numbers (percentages) of patients unless stated otherwise

No difference was observed in rates of infection, seroma formation, or arm swelling. Shoulder movement three months postoperatively was better in the women discharged early, with less restriction of movement (odds ratio 0.28 (95% confidence interval 0.08 to 0.95)). The women discharged early also had less wound pain because they required less analgesia (odds ratio 0.28 (0.10 to 0.79)) (table (table11).

In the first month after discharge the number of visits to general practitioners did not differ between groups (23 in women allocated to standard discharge v 20 in those allocated to early discharge), but by the third month more patients allocated to standard discharge had consulted their family doctor (15 v 9, P=0.20). No difference in the number of consultations with nurses was seen. Patients’ visits to their family doctors during the second and third months were significantly related to reduced shoulder movement (P=0.042) and increased wound pain (P=0.016).

Psychological outcome

Table Table22 shows the geometric mean scores for questionnaires in the two groups. Scores on the concerns checklist, hospital anxiety and depression scale, and Spielberger questionnaire were similar in the two groups. The group allocated to standard discharge scored significantly higher on the Rotterdam symptom questionnaire at one month (P=0.035), but this difference may be a chance finding due to the large number of psychological scores compared.

Table 2
Geometric mean scores (ranges) on questionnaires assessing psychological illness among women after surgery for breast cancer

The number in each group who scored as cases—that is, had scores above the cut off point for risk of psychiatric disorder—on the concerns checklist or hospital anxiety and depression scale was assessed preoperatively. A higher proportion of the women allocated to early discharge scored as cases on both measures (24 (51%) v 19 (39%)), although the number of cases fell by one month in the women allocated to early discharge but not in the other women (12 (25%) v 19 (39%)). This difference had equalised for both groups by three months after surgery. A trend for women in the early discharge group to show greater concern preoperatively (probably because of initial anxieties about the prospect of early discharge) was balanced by a noticeable reduction in psychological distress by one month postoperatively.

Questionnaires on patient satisfaction showed that all patients allocated to early discharge and 98% of those allocated to standard discharge thought that they received sufficient support at home. Ninety per cent of patients allocated to early discharge and 77% of those allocated to standard discharge were very pleased with the care given by the breast care nurse.

Discussion

To reduce the costs of health care in the United States patients undergoing mastectomy are discharged routinely 24 hours after surgery. Although palliative care for patients with cancer is widely available at home in parts of Europe10 and home care is the fastest growing component of health care in the United States,11 few randomised trials assessing its effect on rates of illness have been carried out.

In our controlled trial women were randomly allocated to each discharge policy and a reduction in length of hospital stay was achieved without any increase in rates of illness, showing that early discharge should be used more often after surgery for breast cancer. The women discharged earlier had lower rates of illness postoperatively. The greater contact with general practitioners by patients allocated to standard discharge was a result of a higher incidence of physical illness (reduced shoulder movements and increased wound pain) that required more analgesia.

In the case of patients undergoing breast conservation who require radiotherapy the increased incidence of restricted shoulder movement in women allocated to standard management (but not early discharge) may lead to a delay in starting radiotherapy because shoulder movement must be optimised before treatment can be started.

Up to 25% of women develop a depressive illness after mastectomy.8 Psychological illness was not affected by early discharge, but women thought that being discharged early boosted their confidence and increased their sense of reassurance.

Enthusiasm for early discharge should be tempered by the fact that 27% of women were ineligible for early discharge because of geographical factors. This relates to our breast unit in particular, which treats women throughout greater Manchester. The effect of geographical factors is being considered in the second year of our study, in which care by district nurses is being evaluated to enable more women to be included. The study also continues to allow assessment of economic benefits, and our preliminary data suggest that care from district nurses (rather than from breast care nurses in hospitals) does not affect outcome. In addition, increased numbers of women undergoing early discharge after mastectomy will allow confirmation of the safety of this policy.

Early discharge is possible only when careful attention is paid to perioperative care and to instruction of patients and families on managing the drain. It also requires extra input from nurses to gain patients’ confidence in the policy,4 but it reduced the need for medical intervention by general practitioners.

The average length of stay has fallen by 34 days over the past 40 years. Although Bonnema et al recently claimed that early discharge was beneficial, they investigated discharge four days postoperatively,12 which is already practised in the United Kingdom.1,5 We have confirmed the benefits of discharge two days postoperatively. If translated into management policy throughout the United Kingdom early discharge could provide substantial savings. Our study also includes economic appraisal of the costs (to the NHS and patients), and the results will be available when the second year of the study is completed. Nevertheless, these preliminary results show that early discharge is safe and has no adverse effects on physical or psychological illness after surgery for breast cancer.

Our results support a reduction in the length of hospital stay for patients with breast cancer and suggest that home care provides superior clinical outcomes with greater patient satisfaction.

Figure
Inclusion of patients in study

Acknowledgments

We thank all the ward nurses and breast care nurses who helped with the study, and Mrs M Gaskell for secretarial help.

Notes

Editorial by Fallowfield

Footnotes

Funding: This study was funded by the NHS national research and development programme (grant No 16-05). We thank Simcare Health Products for providing the siphon drains.

Conflict of interest: None.

References

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