1.Proximal ligation after the side-to-end anastomosis recovery technique for lymphaticovenous anastomosis
Yushi SUZUKI ; Hisashi SAKUMA ; Jun IHARA ; Yusuke SHIMIZU
Archives of Plastic Surgery 2019;46(4):344-349
BACKGROUND: Lymphaticovenous anastomosis is an important surgical treatment for lymphedema, with lymphaticovenous side-to-end anastomosis (LVSEA) and lymphaticovenous end-to-end anastomosis being the most frequently performed procedures. However, LVSEA can cause lymphatic flow obstruction because of regurgitation and tension in the anastomosis. In this study, we introduce a novel and simple procedure to overcome this problem. METHODS: Thirty-five female patients with lower extremity lymphedema who underwent lymphaticovenous anastomosis at our hospital were included in this study. Eighty-five LVSEA procedures were performed, of which 12 resulted in insufficient venous blood flow. For these 12 anastomoses, the proximal lymphatic vessel underwent clipping after the anastomotic procedure and the venous inflow was monitored. Subsequently, the proximal ligation after side-to-end anastomosis recovery (PLASTER) technique, which involves ligating the proximal side of the lymphatic vessel, was applied. A postoperative evaluation was performed using indocyanine green 6 months after surgery. RESULTS: Despite the clipping procedure, three of the 12 anastomoses still showed poor venous inflow. Therefore, it was not possible to apply the PLASTER technique in those cases. Among the nine remaining anastomoses in which the PLASTER technique was applied, three (33%) were patent. CONCLUSIONS: Our findings show that achieving patent anastomosis is challenging when postoperative venous inflow is poor. We achieved good results by performing proximal ligation after LVSEA. Thus, the PLASTER technique is a particularly useful recovery technique when LVSEA does not result in good run-off.
Edema
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Female
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Humans
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Indocyanine Green
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Ligation
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Lower Extremity
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Lymphatic Diseases
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Lymphatic Vessels
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Lymphedema
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Microsurgery
2.Early wound healing of the hard-palate mucosal harvest site using artificial dermis fixation by a transparent plate
Yushi SUZUKI ; Ichiro TANAKA ; Shigeki SAKAI ; Tomohiro YAMAUCHI
Archives of Plastic Surgery 2021;48(2):208-212
Background:
There are currently no guidelines for the postoperative wound management of the hard-palate donor site in cases involving mucosal harvesting. This study describes our experiences with the use of an artificial dermis for early epithelialization and transparent plate fixation in cases involving hard-palate mucosal harvesting.
Methods:
A transparent palatal plate was custom-fabricated using a thermoplastic resin board. After mucosal harvesting, an alginic acid-containing wound dressing (Sorbsan) was applied to the donor site, which was then covered with the plate. After confirming hemostasis, the dressing was changed to artificial dermis a few days later, and the plate was fixed to the artificial dermis. The size of the mucosal defect ranged from 8×25 to 20×40 mm.
Results:
Plate fixation was adequate, with no postoperative slippage or infection of the artificial dermis. There was no pain at the harvest site, but a slight sense of incongruity during eating was reported. Although the fabrication and application of the palatal plate required extra steps before and after harvesting, the combination of the artificial dermis and palatal plate was found to be very useful for protecting the mucosal harvest site, and resulted in decreased pain and earlier epithelialization.
Conclusions
The combination of artificial dermis and a transparent palatal plate for wound management at the hard-palate mucosal donor site resolved some of the limitations of conventional methods.
3.Past Activities and Prospects of Japanese Association of Family Physician Trainees
Gemmei IIZUKA ; Keiichiro ITO ; Mako NISHIMURA ; Yushi KAWAGUCHI ; Chihiro SUZUKI ; Takahiro KIYASU ; Kaito SHIMIZU ; Shun YASHIMA ; Yuki OTSUKA
An Official Journal of the Japan Primary Care Association 2023;46(3):112-116
A certain period of time has passed since the transition to the General Medicine residency system under the Japanese Medical Specialty Board and Family Medicine specialist training system by the Japan Primary Care Association. We have summarized the needs of residents identified in the survey, and detailed the activities to date and prospects of the Japanese Association of Family Physician Trainees, a self-help support organization, which is an official subcommittee of the Japan Primary Care Association, from the viewpoint of the residents. We believe that this paper will serve as a resource for the training of residents, help guide them under the new system, and help to improve the training system, considering evidence suggesting that information may not be reaching residents who need support.
4.Indocyanine green fluorescence videoangiography for reliable variations of supraclavicular artery flaps
Yushi SUZUKI ; Yusuke SHIMIZU ; Shogo KASAI ; Shun YAMAZAKI ; Masashi TAKEMARU ; Takuya KITAMURA ; Saori KAWAKAMI ; Takeshi TAMURA
Archives of Plastic Surgery 2019;46(4):318-323
BACKGROUND: Pedicled flaps are useful for reconstructive surgery. Previously, we often used vascularized supraclavicular flaps, especially for head and neck reconstruction, but then shifted to using thoracic branch of the supraclavicular artery (TBSA) flaps. However, limited research exists on the anatomy of TBSA flaps and on the use of indocyanine green (ICG) fluorescence videoangiography for supraclavicular artery flaps. We utilized ICG fluorescence videoangiography to harvest reliable flaps in reconstructive operations, and describe the results herein. METHODS: Data were retrospectively reviewed from six patients (five men and one woman: average age, 54 years; range, 48–60 years) for whom ICG videoangiography was performed to observe the skin perfusion of a supraclavicular flap after it was raised. Areas where the flap showed good enhancement were considered to be favorable for flap survival. The observation of ICG dye indicated good skin perfusion, which is predictive of flap survival; therefore, we trimmed any areas without dye filling and used the remaining viable part of the flap. RESULTS: The flaps ranged in size from 13×5.5 cm to 17×6.5 cm. One patient received a conventional supraclavicular flap, four patients received a TBSA flap, and one patient received a flap that was considered to be intermediate between a supraclavicular flap and a TBSA flap. The flaps completely survived in all cases, and no flap necrosis was observed. CONCLUSIONS: The TBSA flap is very useful in reconstructive surgery, and reliable flaps could be obtained by using ICG fluorescence videoangiography intraoperatively.
Arteries
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Female
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Fluorescence
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Head
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Humans
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Indocyanine Green
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Male
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Neck
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Necrosis
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Perfusion
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Reconstructive Surgical Procedures
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Retrospective Studies
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Skin
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Surgical Flaps