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Nonoperative management of pectus excavatum with vacuum bell therapy: A single center study.
Journal of Pediatric Surgery 2018 June
PURPOSE: The purpose of this study was to determine variables predictive of an excellent correction using vacuum bell therapy for nonoperative treatment of pectus excavatum.
METHODS: A single institution, retrospective evaluation (IRB 15-01-WC-0024) of variables associated with an excellent outcome in pectus excavatum patients treated with vacuum bell therapy was performed. An excellent correction was defined as a chest wall depth equal to the mean depth of a reference group of 30 male children without pectus excavatum.
RESULTS: Over 4years (11/2012-11/2016) there were 180 patients enrolled with 115 available for analysis in the treatment group. The reference group had a mean chest wall depth of 0.51cm. An excellent correction (depth≤0.51cm) was achieved in 23 (20%) patients. Patient characteristics predictive of an excellent outcome included initial age≤11years (OR=3.3,p=.013), initial chest wall depth≤1.5cm (OR=4.6,p=.003), and chest wall flexibility (OR=14.8,p<.001). Patients that used the vacuum bell over 12 consecutive months were more likely to achieve an excellent correction (OR=3.1,p=.030). Follow-up was 4months to 4years (median 12months).
CONCLUSION: Nonoperative management of pectus excavatum with vacuum bell therapy results in an excellent correction in a small percentage of patients. Variables predictive of an excellent outcome include age≤11years, chest wall depth≤1.5cm, chest wall flexibility, and vacuum bell use over 12 consecutive months.
TYPE OF STUDY: Retrospective chart review.
LEVEL OF EVIDENCE: Level III treatment study.
METHODS: A single institution, retrospective evaluation (IRB 15-01-WC-0024) of variables associated with an excellent outcome in pectus excavatum patients treated with vacuum bell therapy was performed. An excellent correction was defined as a chest wall depth equal to the mean depth of a reference group of 30 male children without pectus excavatum.
RESULTS: Over 4years (11/2012-11/2016) there were 180 patients enrolled with 115 available for analysis in the treatment group. The reference group had a mean chest wall depth of 0.51cm. An excellent correction (depth≤0.51cm) was achieved in 23 (20%) patients. Patient characteristics predictive of an excellent outcome included initial age≤11years (OR=3.3,p=.013), initial chest wall depth≤1.5cm (OR=4.6,p=.003), and chest wall flexibility (OR=14.8,p<.001). Patients that used the vacuum bell over 12 consecutive months were more likely to achieve an excellent correction (OR=3.1,p=.030). Follow-up was 4months to 4years (median 12months).
CONCLUSION: Nonoperative management of pectus excavatum with vacuum bell therapy results in an excellent correction in a small percentage of patients. Variables predictive of an excellent outcome include age≤11years, chest wall depth≤1.5cm, chest wall flexibility, and vacuum bell use over 12 consecutive months.
TYPE OF STUDY: Retrospective chart review.
LEVEL OF EVIDENCE: Level III treatment study.
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