Background and Aims: In the following study case, we reviewed breast ultrasound-guided core needle biopsy (CNB), using Mammotome (vacuum-assisted breast biopsy) and Tru-cut, carried out on palpable and nonpalpable uncertain breast lumps or malignant large lesions to be submitted to neoadjuvant chemotherapy. Material and Methods: Examinations were conducted during a 4-year period of clinical activity in a highly specialized center, from December 2009 to December 2013, in 712 patients previously subjected to fine-needle aspiration cytology (FNAC). Results: The results demonstrated that among the 712 breast biopsies, in many cases FNAC was not conclusive, and therefore we proceeded with the echo-guided biopsy, through which we were able to collect sufficient material for the histological examination in order to direct patients to surgery or follow-up. Conclusions: CNB is far superior to FNAC, especially in cases of uncertainty, where it is preferable to proceed directly with CNB, which may also determine additional prognostic and predictive markers. Initially FNAC is less expensive, but the actual costs involved tend to be higher for FNAC as it is less accurate and a CNB is often required. In accordance with recent publications, we can confirm the full validity of CNB in the diagnostic approach of breast lesions.
Background: Atrial fibrillation has been identified as an independent risk factor for thromboembolic events. Since 1948 different surgical techniques have described the feasibility and the rationale of left atrial surgical appendage closure. The aim of this systematic review is to evaluate the reported patency rates of different surgical techniques. Methods: This systematic review was conducted according to preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines. Two independent investigators searched the PubMed, Scopus, Web of Science, Cochrane Central Register of Controlled Trials, and OVID® (Wolters Kluwer, Alphen aan den Rijn, Netherlands) to identify relevant studies. Consecutively, a PICO (Population, Intervention, Comparison and Outcomes) strategy assessment of literature was performed to search eventual other relevant studies that may have been ignored. Results: A total of 42 studies were included in our analysis. The total number of patients who underwent surgical left atrial appendage closure was 5671, and in 61.2% an imaging follow up was performed, mostly with transesophageal echocardiographic evaluation. Success rate for the different techniques was: Clip deployment 98%; Lariat procedure 88%; Surgical amputation 91%; Endocardial suture 74.3%, Epicardial suture 65%; Left atrial appendage closure (LAAC) ligation 60.9%; Stapler technique with excision of left atrial appendage (LAA) 100%; Stapler without excision 70%. Conclusions: To date, data on surgical left atrial appendage closure are poor and not standardized, even if reported rates are acceptable and comparable to transcatheter procedures. If validated on large-scale non-retrospective and multicentric studies, these promising developments may offer a valuable alternative for patients with atrial fibrillation (AF) and ineligible for oral anticoagulation therapy.
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