Comparative Study of Small Vessel (under 0.8 mm) Anastomosed Free Flap and Larger Vessel (over 0.8 mm) Anastomosed Free Flap: Does Supermicrosurgery Provide Sufficient Blood Flow to the Free Flap?
Abstract
[BACKGROUND] This study aimed to quantify the blood flow of free flaps and compare the blood flow of small vessel (<0.8 mm) and larger vessel (>0.8 mm) anastomosed free flaps.
[METHODS] This retrospective study included patients treated successfully with a perforator free flap in the lower extremity between June 2015 and March 2017. A color duplex ultrasound system measured the flow volume through the pedicle by analyzing the mean flow peak velocity, flow volume, and flow volume per 100 g of the flap.
[RESULTS] A total of 69 patients were enrolled in this study. There was no statistical difference in peak velocity between the small vessel anastomosed free flap (25.2 ± 5.6) and larger vessel anastomosed free flap (26.5 ± 5.4). Flow volume (6.8 ± 4.2 vs. 6.3 ± 3.6) and flow volume/100 g (3.6 ± 3.9 vs. 6.2 ± 6.9) also did not show significant differences.
[CONCLUSION] Small vessel (<0.8 mm) free flaps showed similar flow velocity and flow volume to larger vessel (>0.8 mm) anastomosed free flaps. Blood flow to the small vessel anastomosed free flap was sufficient despite its small vessel size.
[METHODS] This retrospective study included patients treated successfully with a perforator free flap in the lower extremity between June 2015 and March 2017. A color duplex ultrasound system measured the flow volume through the pedicle by analyzing the mean flow peak velocity, flow volume, and flow volume per 100 g of the flap.
[RESULTS] A total of 69 patients were enrolled in this study. There was no statistical difference in peak velocity between the small vessel anastomosed free flap (25.2 ± 5.6) and larger vessel anastomosed free flap (26.5 ± 5.4). Flow volume (6.8 ± 4.2 vs. 6.3 ± 3.6) and flow volume/100 g (3.6 ± 3.9 vs. 6.2 ± 6.9) also did not show significant differences.
[CONCLUSION] Small vessel (<0.8 mm) free flaps showed similar flow velocity and flow volume to larger vessel (>0.8 mm) anastomosed free flaps. Blood flow to the small vessel anastomosed free flap was sufficient despite its small vessel size.
추출된 의학 개체 (NER)
| 유형 | 영어 표현 | 한국어 / 풀이 | UMLS CUI | 출처 | 등장 |
|---|---|---|---|---|---|
| 시술 | free flap
|
피판재건술 | dict | 7 | |
| 시술 | flap
|
피판재건술 | dict | 1 | |
| 해부 | Blood
|
scispacy | 1 | ||
| 해부 | pedicle
|
scispacy | 1 | ||
| 합병증 | flaps
|
scispacy | 1 | ||
| 약물 | ± 4.2 vs. 6.3
|
scispacy | 1 | ||
| 약물 | [BACKGROUND]
|
scispacy | 1 | ||
| 약물 | [RESULTS] A
|
scispacy | 1 | ||
| 기타 | Vessel
|
scispacy | 1 | ||
| 기타 | patients
|
scispacy | 1 | ||
| 기타 | vessel anastomosed
|
scispacy | 1 | ||
| 기타 | volume/100
|
scispacy | 1 |
MeSH Terms
Humans; Free Tissue Flaps; Male; Retrospective Studies; Female; Anastomosis, Surgical; Middle Aged; Microsurgery; Adult; Plastic Surgery Procedures; Blood Flow Velocity; Aged; Regional Blood Flow; Treatment Outcome; Perforator Flap; Lower Extremity; Graft Survival
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