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J Reconstr Microsurg 2018; 34(09): 735-741
DOI: 10.1055/s-0038-1648220
Original Article
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Cumulative Experience in Lymphovenous Anastomosis for Lymphedema Treatment: The Learning Curve Effect on the Overall Outcome

Nicolas Pereira
1   Department of Plastic and Reconstructive Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
2   Department of Plastic Surgery and Burns, Hospital del Trabajador, Santiago, Chile
3   Department of Plastic Surgery, Clínica Las Condes, Santiago, Chile
,
Yeon Hoon Lee
1   Department of Plastic and Reconstructive Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
,
Youngchul Suh
1   Department of Plastic and Reconstructive Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
,
Dong Hoon Choi
1   Department of Plastic and Reconstructive Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
,
Hyun Suk Suh
1   Department of Plastic and Reconstructive Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
,
Jae Yong Jeon
4   Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
,
Joon Pio Jp Hong
1   Department of Plastic and Reconstructive Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
› Author Affiliations
Further Information

Publication History

02 November 2017

22 March 2018

Publication Date:
03 May 2018 (online)

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Abstract

Background The lymphovenous anastomosis (LVA) has become one of the treatment options for lymphedema. However, it is regarded as a difficult surgery that many young microsurgeons are reluctant to try. This report investigates the learning curve in regard to symptom improvement.

Methods This is a retrospective analysis performed in 33 consecutive lymphedema patients (38 extremities) who underwent only LVAs from August 2010 to February 2016. Surgical outcomes in regard to surgeon's experience were evaluated. The surgeons experience was divided into three groups: early group with less than 2 years, moderate with 2 to 4 years, and mature group with more than 4 years of experience.

Results A total of 31 limbs (8/8 in upper extremity and 23/30 in lower extremity) showed improvement. When we compare volume change and recurrence of cellulitis with regard to surgeon's experience, there were no statistically significant differences. However, the mean time per LVA was significantly decreased as the experience increased over time (p = 0.017).

Conclusion LVA is an effective treatment option to reduce the volume in the affected limb and to improve symptoms involved. Regardless of the number and experience of the surgeons, cellulitis improves significantly after LVA. The experience of the surgeon does not significantly impact the positive outcome while proficiency increases with experience.

Keywords

lymphedema - lymphovenous microanastomosis - learning curve
 

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