Botulinum Toxin Vascular Effectiveness: Low or High Doses?
Abstract
[INTRODUCTION] Botulinum toxin (BoNT) is increasingly recognized for vascular effects beyond its established neuromuscular use. Evidence indicates a dose-dependent mechanism in which BoNT either promotes vasodilation and perfusion or inhibits cholinergic vasodilatory activity, making it relevant for ischemic, vasospastic, and inflammatory conditions. This review evaluates current data on the dose-dependent vascular actions of BoNT and outlines its therapeutic relevance in aesthetic and reconstructive medicine.
[MATERIALS AND METHODS] A narrative review was performed using PubMed, MEDLINE, Embase, and Google Scholar, focusing on studies published from 2000 to 2025. Search terms combined "botulinum toxin" with "vasodilation," "ischemia," "flap survival," "angiogenesis," and related concepts. Eligible publications included clinical trials, animal studies, in vitro models, and systematic reviews assessing vascular outcomes after BoNT exposure. Of 163 records identified, 57 met inclusion criteria and were analyzed.
[RESULTS] BoNT demonstrates dual vascular mechanisms. At higher doses, it enhances perfusion and promotes angiogenesis through vascular endothelial growth factor and nitric oxide pathways, supporting applications in ischemic flaps and Raynaud's phenomenon. At lower doses, it reduces excessive cholinergic vasodilation and neurogenic inflammation, offering benefits in conditions such as rosacea and hyperhidrosis. These effects are dose-dependent and tissue-specific, with variability across experimental models. Concentrations above 20 IU/ml may be considered high-dose, whereas lower levels represent low-dose BoNT.
[CONCLUSION] BoNT exhibits versatile vascular activity. Higher doses support vascular regeneration and angiogenesis, while lower doses modulate hyperreactive vascular responses. Further research is needed to clarify mechanisms, refine dose-response guidelines, and assess long-term safety across clinical indications to optimize its vascular applications.
[LEVEL OF EVIDENCE V] This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.
[MATERIALS AND METHODS] A narrative review was performed using PubMed, MEDLINE, Embase, and Google Scholar, focusing on studies published from 2000 to 2025. Search terms combined "botulinum toxin" with "vasodilation," "ischemia," "flap survival," "angiogenesis," and related concepts. Eligible publications included clinical trials, animal studies, in vitro models, and systematic reviews assessing vascular outcomes after BoNT exposure. Of 163 records identified, 57 met inclusion criteria and were analyzed.
[RESULTS] BoNT demonstrates dual vascular mechanisms. At higher doses, it enhances perfusion and promotes angiogenesis through vascular endothelial growth factor and nitric oxide pathways, supporting applications in ischemic flaps and Raynaud's phenomenon. At lower doses, it reduces excessive cholinergic vasodilation and neurogenic inflammation, offering benefits in conditions such as rosacea and hyperhidrosis. These effects are dose-dependent and tissue-specific, with variability across experimental models. Concentrations above 20 IU/ml may be considered high-dose, whereas lower levels represent low-dose BoNT.
[CONCLUSION] BoNT exhibits versatile vascular activity. Higher doses support vascular regeneration and angiogenesis, while lower doses modulate hyperreactive vascular responses. Further research is needed to clarify mechanisms, refine dose-response guidelines, and assess long-term safety across clinical indications to optimize its vascular applications.
[LEVEL OF EVIDENCE V] This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.
추출된 의학 개체 (NER)
| 유형 | 영어 표현 | 한국어 / 풀이 | UMLS CUI | 출처 | 등장 |
|---|---|---|---|---|---|
| 시술 | botulinum toxin
|
보툴리눔독소 주사 | dict | 3 | |
| 시술 | flap
|
피판재건술 | dict | 1 | |
| 해부 | neuromuscular
|
scispacy | 1 | ||
| 해부 | cholinergic
|
scispacy | 1 | ||
| 약물 | nitric oxide
|
C0028128
nitric oxide
|
scispacy | 1 | |
| 약물 | high-dose
|
scispacy | 1 | ||
| 약물 | low-dose
|
C1708745
Low-Dose Treatment
|
scispacy | 1 | |
| 약물 | [INTRODUCTION] Botulinum toxin
|
scispacy | 1 | ||
| 약물 | botulinum
|
scispacy | 1 | ||
| 약물 | BoNT
→ Botulinum toxin
|
scispacy | 1 | ||
| 약물 | [RESULTS] BoNT
|
scispacy | 1 | ||
| 약물 | [CONCLUSION] BoNT
|
scispacy | 1 | ||
| 질환 | vasospastic
|
scispacy | 1 | ||
| 질환 | ischemia
|
C0022116
Ischemia
|
scispacy | 1 | |
| 질환 | Raynaud's phenomenon
|
C0034735
Raynaud Phenomenon
|
scispacy | 1 | |
| 질환 | hyperhidrosis
|
C0020458
Hyperhidrosis disorder
|
scispacy | 1 | |
| 질환 | hyperreactive
|
scispacy | 1 | ||
| 질환 | flaps
|
scispacy | 1 | ||
| 기타 | Botulinum Toxin Vascular
|
scispacy | 1 | ||
| 기타 | vascular
|
scispacy | 1 | ||
| 기타 | BoNT
→ Botulinum toxin
|
scispacy | 1 | ||
| 기타 | vascular endothelial growth factor
|
scispacy | 1 | ||
| 기타 | nitric oxide
|
scispacy | 1 |
📑 인용 관계
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