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Mini-sternotomy for aortic valve replacement reduces the length of stay in the cardiac intensive care unit: meta-analysis of randomised controlled trials.

Abstract：

:Background Mini-sternotomy for isolated aortic valve replacement aims to reduce operative trauma hastening recovery and improving the cosmetic outcome of cardiac surgery. The short-term clinical benefits from the mini-sternotomy are presumed to arise because the incision is less extensive and the lower half of the chest cage remains intact. The basic conduct of virtually all other aspects of the aortic valve replacement procedure remains the same. Therefore, similar long-term outcomes are to be expected. Objectives To conduct a meta-analysis of the only available randomised controlled trials (RCT) in the published English literature. Data sources Electronic search for relevant publications in MEDLINE, EMBASE and CENTRAL databases were performed. Four studies met the criteria. Study eligibility criteria RCT comparing minimally invasive (inverted C or L (J)-shaped) hemi-sternotomy versus conventional sternotomy for adults undergoing isolated aortic valve replacement using standard cardiopulmonary bypass technique. Methods Outcome measures were the length of positive pressure ventilation, blood loss, intensive care unit (ICU) and hospital stay. Results The length of ICU stay was significantly shorter by 0.57 days in favour of the mini-sternotomy group (CI -0.95 to -0.2; p=0.003). There was no advantage in terms of duration of ventilation (CI -3.48 to 0.36; p=0.11). However, there was some evidence to suggest a reduction in blood loss and the length of stay in hospital in the mini-sternotomy group. This did not prove to be statistically significant (154.17 ml reduction (CI -324.51 to 16.17; p=0.08) and 2.03 days less (CI -4.12 to 0.05; p=0.06), respectively). Limitations This study includes a relatively small number of subjects (n=220) and outcome variables. The risk of bias was not assessed during this meta-analysis. Conclusion Mini-sternotomy for isolated aortic valve replacement significantly reduces the length of stay in the cardiac ICU. Other short-term benefits may include a reduction in blood loss or the length of hospital stay.

journal_name

BMJ Open

journal_title

BMJ open

authors

Khoshbin E,Prayaga S,Kinsella J,Sutherland FW

doi

10.1136/bmjopen-2011-000266

subject

Has Abstract

pub_date

2011-11-24 00:00:00

pages

e000266

issue

2

issn

2044-6055

pii

bmjopen-2011-000266

journal_volume

1

pub_type

杂志文章

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