Article ; Online: Lymphaticovenular anastomoses training model for multiple stages of lymphedema by using efferent lymphatic plexus of the mesenteric lymph node of rats.
2022 Volume 43, Issue 3, Page(s) 261–265
Abstract: Introduction: Lymphaticovenular anastomosis (LVA) has transformed lymphedema treatment and has become an important part of the surgical therapy. LVA requires supermicrosurgical skills and unique nontraumatic techniques as the lymphatic vessel diameter ... ...
| Abstract | Introduction: Lymphaticovenular anastomosis (LVA) has transformed lymphedema treatment and has become an important part of the surgical therapy. LVA requires supermicrosurgical skills and unique nontraumatic techniques as the lymphatic vessel diameter of varies with the progression of lymphedema from 0.3 to 0.8 mm. However, even though several supermicrosurgical vessel anastomosis training models have been reported, only few focus on LVA including both various sizes of lymphatic vessels and lymphatic dissection. We report the establishment of a novel in-vivo LVA training model using the rat efferent lymphatic plexus of the mesenteric lymph node. Materials and methods: Lymphatic vessels in the efferent lymphatic plexus of the mesenteric lymph node and mesenteric veins of 10 male Wistar rats, 572-850 g, were used for LVA in an intima-to-intima coaptation manner using 12-0 nylon suture with 4-6 stitches in an end-to-end fashion. Postoperative patency was evaluated with indigo carmine blue after completion of anastomosis. Diameters of lymphatic vessels in the plexus and recipient veins were measured. Results: The diameters of lymphatic vessels in efferent lymphatic plexus of the mesenteric lymph nodes and mesenteric veins used as recipients were measured in all 10 male rats. The mean number of lymphatic vessels included in efferent lymphatic plexus of the mesenteric lymph nodes was 7.5 (range, 5-11) and the mean diameter of the lymphatic vessels was 0.34 mm (range, 0.1-1.2 mm). The mean diameter of lymphatic vessels used for LVA was 0.46 mm (range, 0.25-0.7 mm). The mean diameter of the recipient veins was 0.49 mm (range, 0.35-0.7 mm). The postoperative patency rate after LVA was 100% (10/10). Conclusion: We reported the establishment of LVA model involving the use of the efferent lymphatic plexus of the mesenteric lymph node and mesenteric veins in rats. |
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| MeSH term(s) | Rats ; Male ; Animals ; Rats, Wistar ; Microsurgery/methods ; Lymph Nodes/surgery ; Anastomosis, Surgical/methods ; Lymphatic Vessels/surgery ; Lymphedema/surgery |
| Language | English |
| Publishing date | 2022-11-16 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 605524-2 |
| ISSN | 1098-2752 ; 0738-1085 |
| ISSN (online) | 1098-2752 |
| ISSN | 0738-1085 |
| DOI | 10.1002/micr.30986 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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