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Chinese Journal of Medical Aesthetics and Cosmetology ; (6): 325-327, 2017.
Article in Chinese | WPRIM | ID: wpr-667498

ABSTRACT

Objective To discuss continuous negative pressure suction and different negative pressure monitoring after the external ear reconstruction operation stage Ⅱ,aiming to improve the security of the plastic surgery.Methods A lot of 87 microtia patients aged 6-15 years were randomly selected as control group from Feb.2010 to Mar.2012,and other 87 cases of microtia were also randomed as experimental group from Apr.2012 to Apr.2014.The experimental group adopted the continuous negative pressure suction and the pressure value was set as 3.99-5.32 kPa (30-40 mmHg);the control group adopted the method of traditional intermittent negative pressure drainage and the suction pressure was set as 3.99-7.98 kPa (30 60 mmHg).After the operation,the two groups were observed and compared under continuous negative pressure suction.The capacity,color changes,length of time,and pressure value of the drain were monitored and observed,finding out their correlation with the operation effectiveness.Results For the experimental group,the incidence of subcutaneous hydrops and skin flap necrosis was lower (P<0.05),and the primary healing rate was higher than the control group (P<0.01).The capacity of drain was relevant to the type of the plastic surgery,different from 5 to 20 ml;the color changed gradually from blood color to faint yellow;the extubation time was generally from 7 to 10 days.The optimal pressure value was 3.99-5.32 kPa (30-40 mmHg);there was proportional relation between the effectiveness of monitoring drainage and the operation effectiveness.Conclusions Continuous negative pressure suction monitoring after operation contributes to improve the plastic surgery effectiveness,and the patients are satisfied with the result.

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