Document Detail

Measurement of joint effusion and haematoma formation by ultrasound in assessing the effectiveness of drains after total knee replacement: A prospective randomised study.
MedLine Citation:
PMID:  20044678     Owner:  NLM     Status:  MEDLINE    
We prospectively randomised 78 patients into two groups, 'drains' or 'no drains' to assess the effectiveness of suction drains in reducing haematoma and effusion in the joint and its effect on wound healing after total knee replacement. Ultrasound was used to measure the formation of haematoma and effusion on the fourth post-operative day. This was a semi-quantitative assessment of volume estimation. There was no difference in the mean effusion between the groups (5.91 mm in the drain group versus 6.08 mm in the no-drain, p = 0.82). The mean amount of haematoma in the no-drain group was greater (11.07 mm versus 8.41 mm, p = 0.03). However, this was not clinically significant judged by the lack of difference in the mean reduction in the post-operative haemoglobin between the groups (drain group 3.4 g/dl; no-drain group 3.0 g/dl, p = 0.38). There were no cases of wound infection or problems with wound healing at six weeks in any patient. Our findings indicate that drains do not reduce joint effusion but do reduce haematoma formation. They have no effect on wound healing.
D Omonbude; M A El Masry; P J O'Connor; A J Grainger; V L Allgar; S J Calder
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  The Journal of bone and joint surgery. British volume     Volume:  92     ISSN:  0301-620X     ISO Abbreviation:  J Bone Joint Surg Br     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2010-01-01     Completed Date:  2010-01-28     Revised Date:  2010-11-10    
Medline Journal Info:
Nlm Unique ID:  0375355     Medline TA:  J Bone Joint Surg Br     Country:  England    
Other Details:
Languages:  eng     Pagination:  51-5     Citation Subset:  AIM; IM    
Chapel Allerton Hospital, Leeds, England.
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MeSH Terms
Aged, 80 and over
Arthroplasty, Replacement, Knee / adverse effects*
Drainage* / instrumentation
Exudates and Transudates / ultrasonography*
Hematoma / therapy,  ultrasonography*
Knee Joint / surgery,  ultrasonography*
Middle Aged
Postoperative Period
Practice Guidelines as Topic
Prospective Studies
Range of Motion, Articular / physiology
Wound Healing / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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