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A next-generation pectus excavatum repair technique: new devices make a difference

 Hyung Joo Park  ;  Kyung Soo Kim  ;  Sungsoo Lee  ;  Hyun Woo Jeon 
 ANNALS OF THORACIC SURGERY, Vol.99(2) : 455-461, 2015 
Journal Title
Issue Date
Adolescent ; Adult ; Child ; Child, Preschool ; Equipment Design ; Female ; Funnel Chest/surgery* ; Humans ; Infant ; Internal Fixators* ; Male ; Middle Aged ; Thoracic Surgical Procedures/instrumentation ; Thoracic Surgical Procedures/methods ; Young Adult
BACKGROUND: When performing pectus excavatum repair using a pectus bar, stabilization of the bar is crucial. However, since 2007, we have been developing new devices to achieve a bar dislocation rate of zero. The purpose of this study is to determine whether our next-generation approach makes it possible to achieve our goal. METHODS: We analyzed the results of various bar fixation techniques in a patient cohort of 1,816 consecutive pectus excavatum repairs using a pectus bar between 1999 and 2012. Techniques that have been evolving were a stabilizer (STB, 1999); multipoint pericostal suture fixation (MPF, 2001); and the new devices: claw fixator (CFT, 2007) and hinge plate (HP, 2009). The claw fixator is used for sutureless bar fixation by hooking the rib with blades, whereas the hinge plate prevents intercostal muscle stripping at the hinge points. Patients were divided into groups according to the technique used, and the outcomes were compared. RESULTS: Early bar dislocation rates were as follows: STB 3.33% (6 of 180), MPF 0.56% (4 of 760), CFT 0.57% (4 of 699), and CFT+HP 0% (0 of 177; p = 0.002). Reoperation rates were as follows: STB 5% (9 of 180), MPF 1.57% (12 of 760), CFT 2.10% (11 of 699), and CFT+HP 3.38% (6 of 177; p = 0.042). Total complication rates were also lower in the CFT+HP group (14.1%, 25 of 177) than the STB group (22.7%, 41 of 180; p < 0.01). CONCLUSIONS: By using the next-generation approach with the claw fixator plus hinge plate rather than the conventional stabilizer, we were able to reduce the bar dislocation rate and complications. We recommend that the conventional stabilizer be replaced with the claw fixator and hinge plate.
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1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Sung Soo(이성수) ORCID logo https://orcid.org/0000-0001-8998-9510
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