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Ahn J, Yeghiaian-Alvandi R, Hegi-Johnson F, Browne LH, Graham PH, Chin Y, Gee H, Vinod S, Ludbrook J, Last A, Dwyer P, Ong A, Aherne N, Azzi M, Hau E. SABR for Early Non-Small Cell Lung Cancer: Changes in Pulmonary Function, Dyspnea, and Quality of Life. Int J Radiat Oncol Biol Phys 2023; 117:1213-1221. [PMID: 37482136 DOI: 10.1016/j.ijrobp.2023.07.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/29/2023] [Accepted: 07/14/2023] [Indexed: 07/25/2023]
Abstract
PURPOSE The aim of this study was to report pulmonary function tests (PFTs) and clinician-reported and patient-reported quality-of-life (QoL) outcomes on a cohort of patients with non-small cell lung cancer (NSCLC) treated with SABR. METHODS AND MATERIALS A total of 119 patients with NSCLC were treated with SABR in the prospective cohort SSBROC study of patients with T1-T2N0M0 NSCLC. PFTs and QoL measures were obtained at baseline pretreatment and at 6-month intervals. Here we report on the 6- to 18-month time points. Analysis of covariance (ANCOVA) methods adjusting for baseline analyzed potential predictors on outcomes of PFTs and patient-reported dyspnea at 18 months. RESULTS The only statistically significant decline in PFTs was seen in forced expiratory volume in 1 second (FEV1) at 18 months post-SABR, with a decline of -0.11 L (P = .0087; 95% CI, -0.18 to -0.02). Of potential predictors of decline, only a 1-unit increase in smoking pack-years resulted in a -0.12 change in diffusing capacity for carbon monoxide (P = .026; 95% CI, -0.02 to -0.23) and a 0.003 decrease in FEV1 (P = .026; 95% CI, -0.006 to -0.0004). For patient-reported outcomes, statistically significant worsening in both the European Organisation for Research and Treatment of Cancer Quality of Life Core Questionnaire (QLQ-C30 Version 3) and the lung module (QLQ-LC13) dyspnea scores occurred at the 18-month time point, but not earlier. No potential predictors of worsening dyspnea were statistically significant. There was no statistically significant decline in clinician-reported outcomes or global QoL scores. CONCLUSIONS We found a statistically significant decline in FEV1 at 18 months posttreatment. Smoking pack-years was a predictor for decline in diffusing capacity for carbon monoxide and FEV1 at 18 months. Worsening of patient-reported dyspnea scores was observed, consistent with the expected progression of lung comorbid disease.
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Affiliation(s)
- Julie Ahn
- Sydney West Radiation Oncology Network (SWRON), Sydney, New South Wales, Australia.
| | - Roland Yeghiaian-Alvandi
- Department of Radiation Oncology, Nepean Cancer Centre, Sydney, New South Wales, Australia; Department of Radiation Oncology, Central Coast Cancer Centre, Gosford, New South Wales, Australia
| | - Fiona Hegi-Johnson
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Sir Peter MacCallum Department of Clinical Oncology, University of Melbourne, Victoria, Australia
| | - Lois H Browne
- Department of Radiation Oncology, Cancer Care Centre, St George Hospital, Sydney, New South Wales, Australia
| | - Peter Henry Graham
- Department of Radiation Oncology, Cancer Care Centre, St George Hospital, Sydney, New South Wales, Australia; Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - Yaw Chin
- Department of Radiation Oncology, Cancer Care Centre, St George Hospital, Sydney, New South Wales, Australia; GenesisCare, Sydney, New South Wales, Australia
| | - Harriet Gee
- Sydney West Radiation Oncology Network (SWRON), Sydney, New South Wales, Australia; Children's Medical Research Institute (CMRI), University of Sydney, Sydney, New South Wales, Australia; University of Sydney, Sydney, New South Wales, Australia
| | - Shalini Vinod
- Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia; Department of Radiation Oncology, Liverpool Cancer Therapy Centre, Liverpool Hospital, New South Wales, Australia
| | - Jane Ludbrook
- Department of Radiation Oncology, Calvary Mater Newcastle, New South Wales, Australia; School of Medicine and Public Health, University of Newcastle, New South Wales, Australia
| | - Andrew Last
- Department of Radiation Oncology, Mid North Coast Cancer Institute, Port Macquarie, New South Wales, Australia
| | - Patrick Dwyer
- University of Sydney, Sydney, New South Wales, Australia; Department of Radiation Oncology, Northern NSW Cancer Institute, Lismore, New South Wales, Australia
| | - Anselm Ong
- Sydney West Radiation Oncology Network (SWRON), Sydney, New South Wales, Australia
| | - Noel Aherne
- Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia; Department of Radiation Oncology, Mid North Coast Cancer Institute, Coffs Harbour, New South Wales, Australia
| | - Maria Azzi
- Department of Radiation Oncology, Nepean Cancer Centre, Sydney, New South Wales, Australia
| | - Eric Hau
- Sydney West Radiation Oncology Network (SWRON), Sydney, New South Wales, Australia; University of Sydney, Sydney, New South Wales, Australia; Westmead Institute of Medical Research, Sydney, New South Wales, Australia
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Hau E, Hegi-Johnson F, Atkinson C, Barber J, Browne LH, Chin Y, Dwyer P, Graham PH, O'Hare J, Lu D, Rains M, Ragusa C, Schmidth L, Small K, Unicomb K, West K, White S, Last A, Ludbrook J, Azzi M, Aherne NJ, Van Tilburg K, Vinod S, Ma X, Yeghiaian Alvandi R. Collaborative implementation of stereotactic ablative body radiotherapy: A model for the safe implementation of complex radiotherapy techniques in Australia. Asia Pac J Clin Oncol 2019; 16:39-44. [PMID: 31777176 DOI: 10.1111/ajco.13277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Accepted: 10/04/2019] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Stereotactic ablative radiotherapy (SABR) for lung cancer is a modality of treatment that has improved outcomes for lung cancer patients. However, radiotherapy for lung cancer is underutilized and fewer than half of elderly patients with non-small cell lung cancer (NSCLC) receive active treatment. The purpose of this study is to report on a collaboration in implementing an NSCLC SABR (stereotactic ablative body radiation) program safely, efficiently, and uniformly across several centers, including regional sites. The first aim of this paper is to detail the collaboration and implementation that started in 2013 and is ongoing. The second aim of this paper is to document early toxicities and quality of life outcomes. METHOD A tripartite approach was used to develop the protocol and networks required for the implementation of SABR across multiple sites in NSW. Departments starting the programmes were supported and physics credentialing with central site submission was required before commencing the treatment. Additional ongoing support was available via an email discussion group involving all members of the collaboration. RESULTS Between July 22, 2013 and February 22, 2016, 41 patients were enrolled with 34 patients in active follow up. The toxicity profile so far is similar to those of published studies with no appreciable effect on quality of life outcomes. CONCLUSION The collaboration formed an effective framework in facilitating the implementation of SABR across several sites in NSW and could be used as a model for the safe and uniform implementation of new technologies in Australia.
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Affiliation(s)
- Eric Hau
- Sydney West Radiation Oncology Network, Sydney, Australia.,University of Sydney, Sydney, Australia
| | | | | | - Jeffrey Barber
- Blacktown Haematology and Cancer Care Centre, Sydney, Australia
| | | | - Yaw Chin
- St George Hospital, Kogarah, NSW, Australia
| | - Patrick Dwyer
- Northern New South Wales Cancer Institute, Lismore, NSW, Australia
| | | | - Jolyne O'Hare
- Northern Ireland Cancer Centre on the Belfast City Hospital site
| | - Dan Lu
- St George Hospital, Kogarah, NSW, Australia
| | | | | | | | | | | | | | - Sean White
- Nepean Cancer Care Centre, NSW, Australia
| | - Andrew Last
- Mid North Coast Cancer Institute, Port Macquarie, NSW, Australia
| | | | - Maria Azzi
- Nepean Cancer Care Centre, Nepean, Australia
| | - Noel J Aherne
- Mid North Coast Cancer Institute Coffs Harbour, NSW, Australia
| | | | - Shalini Vinod
- Cancer Therapy Centre, Liverpool Hospital, Liverpool, NSW, Australia.,South Western Sydney Clinical School, UNSW, NSW, Australia
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Browne LH, Graham PH. Good intentions and ICH-GCP: Trial conduct training needs to go beyond the ICH-GCP document and include the intention-to-treat principle. Clin Trials 2014; 11:629-34. [PMID: 25023199 DOI: 10.1177/1740774514542620] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND It is assumed investigators and statisticians fully understand the importance of avoiding missing outcomes and the intention-to-treat principle during design and analysis phases of a randomised controlled trial in order to obtain the most valuable and reliable results. However, many personnel undertaking day-to-day trial conduct and data collection commonly rely exclusively for guidance on the widely implemented, indeed regulated, International Conference on Harmonisation-Good Clinical Practice document as the guideline and standard for trial conduct. PURPOSE This article describes adverse consequences of omission of intention-to-treat principles from training for trial personnel and explores the need for training in addition to the International Conference on Harmonisation-Good Clinical Practice guideline document. METHODS Data from the Breast Boost Study were used to illustrate a comparison of actual results, where vigilant senior investigators re-enforced intention-to-treat requirements throughout all aspects of trial conduct with results that could easily have occurred if study personnel did not understand the importance of intention-to-treat principles. Experience as a co-ordinating centre for an international trial (Trans-Tasman Radiation Oncology Group 08.06 Breast STARS) acted as an audit of data-management culture regarding intention-to-treat in Australia and New Zealand. RESULTS Despite the Breast Boost Study exceeding planned accrual, it was demonstrated that the study, which found a statistically significant result, could have reported a negative or inconclusive result under the scenario of trial conduct personnel having lack of understanding of the importance of avoiding losses to follow-up. Trans-Tasman Radiation Oncology 08.06 co-ordination experience verified that data-management culture in Australia and New Zealand does not adequately recognise intention-to-treat principles, and this is reflected in trial conduct. LIMITATIONS Trial data described are limited to two trials and in the Australian and New Zealand setting. CONCLUSION To be both scientifically and ethically valid, guidelines for trial conduct should include and stress the importance of the intention-to-treat principle and in particular avoiding missing outcomes. Our discussion highlights the vitally important role played by personnel involved in day-to-day trial conduct. Inclusion of scientific principles in guideline documents and/or training which goes beyond International Conference on Harmonisation-Good Clinical Practice to include intention-to-treat is essential to achieve robust research results. Related aspects of randomised trial consent and ethics are discussed.
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Affiliation(s)
- Lois H Browne
- Clinical Trials Unit, Cancer Care Centre, St George Hospital, Kogarah, NSW, Australia
| | - Peter H Graham
- Clinical Trials Unit, Cancer Care Centre, St George Hospital, Kogarah, NSW, Australia
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Lee YYD, Hau E, Browne LH, Chin Y, Lee J, Szwajcer A, Cail S, Nolan DN, Graham PH. Breast irradiation causes pallor in the nipple-areolar complex in women with Celtic skin type (result from the St. George and Wollongong randomised breast boost trial). J Med Imaging Radiat Oncol 2014; 58:229-36. [PMID: 24456128 DOI: 10.1111/1754-9485.12136] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Accepted: 10/19/2013] [Indexed: 11/28/2022]
Abstract
INTRODUCTION The nipple-areolar complex (NAC) has special histological properties with higher melanocyte concentration than breast skin. To date, there are no data describing the late effects on the NAC following breast-conserving therapy (BCT). This study evaluated colour changes in the NAC in patients treated with breast-conserving surgery and adjuvant radiotherapy after 5 years. METHODS Digital photographs obtained at 5 years following breast irradiation from the St. George and Wollongong (SGW) trial (NCT00138814) were evaluated by five experts using an iPad® (Apple Inc., Cupertino, CA, USA) application specifically created for this study. The SGW trial randomised 688 patients with Tis-2, N0-1, M0 carcinoma to the control arm of 50 Gy in 25 fractions and boost arm of 45 Gy in 25 fractions and 16 Gy in 8 fractions electron boost. RESULTS A total of 141/372 (38%) patients had altered NAC (86% lighter, 10% darker). Patients with Celtic skin type had increased likelihood of having an altered NAC (odds ratio (OR), 1.75 (CI 1.1-2.7, P = 0.011)). On subgroup analysis, those with Celtic skin type receiving biologically equivalent dose (BED) Gy3 ≥ 80 Gy had OR of 3.03 (95% CI 1.2-7.5, P = 0.016) for having altered colour. There was a dose response with more profound changes seen in the NAC compared with irradiated breast skin if BED Gy3 ≥ 80 Gy with OR of 2.42 (95% CI 1.1-5.6, P = 0.036). CONCLUSION In this Caucasian BCT population, over 30% of patients developed lighter NAC and more commonly in women with Celtic skin type. The degree of this effect increased with higher radiation dose.
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Graham PH, Plant NA, Graham JL, Browne LH, Borg M, Capp A, Delaney GP, Harvey J, Kenny L, Francis M, Zissiadis Y. Digital photography as source documentation of skin toxicity: An analysis from the Trans Tasman Radiation Oncology Group (TROG) 04.01 Post-Mastectomy Radiation Skin Care Trial. J Med Imaging Radiat Oncol 2012; 56:458-63. [DOI: 10.1111/j.1754-9485.2012.02365.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hau E, Browne LH, Khanna S, Cail S, Cert G, Chin Y, Clark C, Inder S, Szwajcer A, Graham PH. Radiotherapy breast boost with reduced whole-breast dose is associated with improved cosmesis: the results of a comprehensive assessment from the St. George and Wollongong randomized breast boost trial. Int J Radiat Oncol Biol Phys 2011; 82:682-9. [PMID: 21255943 DOI: 10.1016/j.ijrobp.2010.11.025] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2010] [Revised: 11/13/2010] [Accepted: 11/23/2010] [Indexed: 12/27/2022]
Abstract
PURPOSE To evaluate comprehensively the effect of a radiotherapy boost on breast cosmetic outcomes after 5 years in patients treated with breast-conserving surgery. METHODS The St. George and Wollongong trial (NCT00138814) randomized 688 patients with histologically proven Tis-2, N 0-1, M0 carcinoma to the control arm of 50 Gy in 25 fractions (342 patients) and the boost arm of 45 Gy in 25 fractions to the whole breast followed by a 16 Gy in 8 fraction electron boost (346 patients). Five-year cosmetic outcomes were assessed by a panel subjectively in 385 patients and objectively using pBRA (relative breast retraction assessment). A subset of patients also had absolute BRA measurements. Clinician assessment and patient self-assessment of overall cosmetic and specific items as well as computer BCCT.core analysis were also performed. RESULTS The boost arm had improved cosmetic overall outcomes as scored by the panel and BCCT.core software with 79% (p = 0.016) and 81% (p = 0.004) excellent/good cosmesis respectively compared with 68% in no-boost arm. The boost arm also had lower pBRA and BRA values with a mean difference of 0.60 and 1.82 mm, respectively, but was not statistically significant. There was a very high proportion of overall excellent/good cosmetic outcome in 95% and 93% in the boost and no-boost arms using patient self-assessment. However, no difference in overall and specific items scored by clinician assessment and patient self-assessment was found. CONCLUSION The results show the negative cosmetic effect of a 16-Gy boost is offset by a lower whole-breast dose of 45 Gy.
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Affiliation(s)
- Eric Hau
- Cancer Care Centre, St George Hospital, Kogarah, Sydney, Australia.
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Browne LH, Williams KL. Pure populations of Dictyostelium discoideum prespore and prestalk cells obtained by flow cytometry have different redevelopment characteristics at their cell surfaces. Cytometry 1993; 14:660-7. [PMID: 8404372 DOI: 10.1002/cyto.990140610] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The multicellular slug stage of Dictyostelium discoideum consists of two major differentiated cell types: prespore and prestalk cells, which become, respectively, the spores and the stalk of the fruiting body. It is known that these cells, although expressing cell-type-specific proteins, remain totipotent, and experimental disruption of slugs results in redifferentiation taking place. We looked at what happens to cell-type-specific surface molecules when a cell changes from one type of another. Using monoclonal antibodies and flow cytometry we were able for the first time to obtain pure populations of single cells of each cell type. These were analysed during redevelopment. The initial hypothesis was that a proportion of each cell type would redifferentiate to reestablish the original proportions. However, it was found that the two cell types responded quite differently. Whereas almost all prestalk cells retained their prestalk surface antigen, in contrast, all prespore cells redifferentiated. During this process redifferentiating prespore cells simultaneously expressed surface determinants of both cell types, an event not seen in normal development.
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Affiliation(s)
- L H Browne
- School of Biological Sciences, Macquarie University, Sydney, NSW, Australia
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Browne LH, Sadeghi H, Blumberg D, Williams KL, Klein C. Re-expression of 117 antigen, a cell surface glycoprotein of aggregating cells, during terminal differentiation of Dictyostelium discoideum prespore cells. Development 1989; 105:657-64. [PMID: 2612369 DOI: 10.1242/dev.105.3.657] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
117 antigen is a glycoprotein expressed on the surface of D. discoideum cells at aggregation. It then disappears and is later re-expressed on the surface of a subpopulation of cells at culmination, the terminal differentiation stage (Sadeghi et al. 1987). A cDNA clone was used to show that the appearance of cell surface 117 antigen accurately reflects the expression of the 117 gene as measured by mRNA levels. It was also shown that during multicellular development there is a reciprocal relationship between the levels of 117 mRNA and the mRNA which codes for prespore surface glycoprotein, PsA. Dual parameter flow cytometry was used to demonstrate that the 117 antigen is found on the surface of maturing prespore cells after the PsA glycoprotein disappears, but that it is not found on mature spores. Using three monoclonal antibodies which identify respectively 117 antigen, PsA, and MUD3 antigen (a spore coat glycoprotein—probably Sp96), two new stages of final spore maturation were defined. These results indicate that there is a recapitulation of at least one aggregative cell surface glycoprotein in the prespore subpopulation of cells as they rise up the stalk during final spore development. This raises the possibility that culmination, which involves complex three dimensional morphogenetic movements not unlike those observed during animal embryogenesis, involves components of the two-dimensional pattern seen during aggregation.
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Affiliation(s)
- L H Browne
- School of Biological Sciences, Macquarie University, Sydney, N.S.W. Australia
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Affiliation(s)
- E J Breen
- School of Biological Sciences, Macquarie University, Sydney NSW, Australia
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Bernstein RL, Browne LH, Yu SC, Williams KL. Detergent treatment of Dictyostelium discoideum cells allows examination of internal cell type-specific antigens by flow cytometry. Cytometry 1988; 9:68-74. [PMID: 2457474 DOI: 10.1002/cyto.990090111] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Monoclonal antibodies are used extensively in flow cytometry to identify subpopulations of cells differing in surface antigens. Conventional studies on living cells do not allow analysis of internal antigens, because antibody molecules do not pass through an intact plasma membrane. It is important for developmental studies on Dictyostelium discoideum that not only surface but also internal antigens be analysed. Here techniques are reported that make possible such studies by permeabilising cells with mild detergent treatments using digitonin. Flow cytometer profiles of unfixed cells show that antigens recognised by two monoclonal antibodies, MUD102 and MUD3, are found inside subpopulations of cells in the D. discoideum slug. Double-labelling experiments were carried out to demonstrate that the antigens recognised by these antibodies are present inside prespore but not prestalk cells. The detergent treatment leads to loss of forward-angle light scatter, but 90 degrees light scatter of cells is not greatly affected. While fixed cells sometimes gave satisfactory results, internal labelling did not reliably demonstrate the two subpopulations observed with unfixed cells.
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Affiliation(s)
- R L Bernstein
- School of Biological Sciences, Macquarie University, Sydney, New South Wales, Australia
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James ML, Hudson CN, Gebski VJ, Browne LH, Andrews GR, Crisp SE, Palmer D, Beresford JL. An evaluation of planned early postnatal transfer home with nursing support. Med J Aust 1987; 147:434-5, 437-8. [PMID: 3670194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A community-based programme of planned early postnatal transfer home with the continuity of hospital nursing care was instituted in a defined geographic area of the western suburbs of Sydney in 1983. Mothers were offered the option of discharge in 24-48 hours after delivery, with home visits by a hospital midwife, subject to certain medical and social criteria. An evaluation of the programme in terms of morbidity, psychosocial impact on the family and costs was undertaken. For evaluation, a quasi-experimental study of parallel groups was designed in preference to randomized selection as it was believed that the personal choice would be fundamental to the success of the scheme. A contemporary control group was achieved with volunteer mothers who opted for the traditional five- to seven-day hospital stay. Studies of maternal response and the partner's response and adjustment were undertaken, including the administration of questionnaires that were designed to detect the presence of mild postnatal depression. No increased morbidity occurred in the early discharge group. The early discharge group performed more favourably on the questionnaire that was designed to measure their postpartum adjustment. Continued postnatal domiciliary surveillance reduces the risk that early neonatal pathological changes, especially jaundice, may be overlooked.
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James ML, Hudson CN, Gebski VJ, Browne LH, Andrews GR, Crisp SE, Palmer D, Beresford JL. An evaluation of planned early postnatal transfer home with nursing support. Med J Aust 1987. [DOI: 10.5694/j.1326-5377.1987.tb133585.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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