Ultrasound-guided Microwave Ablation in the Management of Symptomatic Uterine Myomas: A Systematic Review and Meta-analysis.

Uterine Artery Embolization Compared with High-intensity Focused Ultrasound Ablation for the Treatment of Symptomatic Uterine Myomas: A Systematic Review and Meta-analysis

In the last few decades, our understanding of the complex pathobiology of uterine fibroid development has grown. While previously believed to be a purely neoplastic entity, we now understand that uterine fibroids possess different and equally important aspects of their genesis. An increasing body of evidence suggests that oxidative stress, the imbalance between pro- and antioxidants, is an important factor in fibroid development. Oxidative stress is controlled by multiple, interconnecting cascades, including angiogenesis, hypoxia, and dietary factors. Oxidative stress in turn influences fibroid development through genetic, epigenetic, and profibrotic mechanisms. This unique aspect of fibroid pathobiology has introduced several clinical implications, both diagnostic and therapeutic, that can aid us in managing these debilitating tumors by using biomarkers as well as dietary and pharmaceutical antioxidants for diagnosis and treatment. This review strives to summarize and add to the current evidence revealing the relationship between oxidative stress and uterine fibroids by elucidating the proposed mechanisms and clinical implications.

/pdf/oxidative-stress-and-antioxidants-in-uterine-fibroids-1e5cnmkx.pdf

Oxidative Stress and Antioxidants in Uterine Fibroids: Pathophysiology and Clinical Implications

Newer minimally invasive techniques provide treatment options for symptomatic uterine fibroids while allowing uterus preservation. The objective of this review was to analyze the efficacy of uterine-preserving, minimally invasive treatment modalities in reducing fibroid-related bleeding. A comprehensive search was conducted of PubMed, Embase, PsycINFO, ClinicalTrials.gov, Scopus, and Cochrane Library databases from inception to July 2020. English-language publications that evaluated premenopausal women with fibroid-related bleeding symptoms before and after treatment were considered. Randomized controlled trials were assessed for bias with the established Cochrane Risk of Bias Tool 2.0 and observational studies were assessed for quality under the New Castle-Ottawa Scale guidelines. Eighty-four studies were included in the review, including 10 randomized controlled trials and 74 observational studies. Six studies on myomectomy demonstrated overall bleeding symptom improvement in up to 95.9% of patients, though there was no significant difference between mode of myomectomy. Forty-one studies on uterine artery embolization reported significant reduction of fibroid-related bleeding, with symptomatic improvement in 79 to 98.5% of patients. Three studies suggested that embolization may be superior to myomectomy in reducing fibroid-related bleeding. Six studies reported that laparoscopic uterine artery occlusion combined with myomectomy led to greater reduction of bleeding than myomectomy alone. Fifteen studies demonstrated significantly reduced bleeding severity after radiofrequency ablation (RFA). Additional research is needed to establish the superiority of these modalities over one another. Long-term evidence is limited in current literature for magnetic resonance-guided focused ultrasound surgery, cryomyolysis, microwave ablation, and laser ablation.

A Systematic Review of Minimally Invasive Treatments for Uterine Fibroid-Related Bleeding

Uterine fibroids (leiomyomas and myomas) are the most common benign gynecological condition in patients presenting with abnormal uterine bleeding, pelvic masses causing pressure or pain, infertility and obstetric complications. Almost a third of women with fibroids need treatment due to symptoms. Objectives: In this review we present all currently available treatment modalities for uterine fibroids. Methods: An extensive search for the available data regarding surgical, medical and other treatment options for uterine fibroids was conducted. Review: Nowadays, treatment for fibroids is intended to control symptoms while preserving future fertility. The choice of treatment depends on the patient’s age and fertility and the number, size and location of the fibroids. Current management strategies mainly involve surgical interventions (hysterectomy and myomectomy hysteroscopy, laparoscopy or laparotomy). Other surgical and non-surgical minimally invasive techniques include interventions performed under radiologic or ultrasound guidance (uterine artery embolization and occlusion, myolysis, magnetic resonance-guided focused ultrasound surgery, radiofrequency ablation of fibroids and endometrial ablation). Medical treatment options for fibroids are still restricted and available medications (progestogens, combined oral contraceptives andgonadotropin-releasing hormone agonists and antagonists) are generally used for short-term treatment of fibroid-induced bleeding. Recently, it was shown that SPRMs could be administered intermittently long-term with good results on bleeding and fibroid size reduction. Novel medical treatments are still under investigation but with promising results. Conclusions: Treatment of fibroids must be individualized based on the presence and severity of symptoms and the patient’s desire for definitive treatment or fertility preservation. 

Currently Available Treatment Modalities for Uterine Fibroids

The incidence of uterine fibroids, which comprise one of the most common female pelvic tumors, is almost 70-75% for women of reproductive age. With the development of surgical techniques and skills, more individuals prefer minimally invasive methods to treat uterine fibroids. There is no doubt that minimally invasive surgery has broad use for uterine fibroids. Since laparoscopic myomectomy was first performed in 1979, more methods have been used for uterine fibroids, such as laparoscopic hysterectomy, laparoscopic radiofrequency volumetric thermal ablation, and uterine artery embolization, and each has many variations. In this review, we compared these methods of minimally invasive surgery for uterine fibroids, analyzed their benefits and drawbacks, and discussed their future development.

https://journals.viamedica.pl/ginekologia_polska/article/download/GP.2020.0032/50557

Minimally invasive surgery for uterine fibroids.

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Minimally invasive surgery for uterine fibroids.