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3.
Sci Data ; 7(1): 42, 2020 02 07.
Article in English | MEDLINE | ID: mdl-32034156

ABSTRACT

We provide a database of the surface ruptures produced by the 26 December 2018 Mw 4.9 earthquake that struck the eastern flank of Mt. Etna volcano in Sicily (southern Italy). Despite its relatively small magnitude, this shallow earthquake caused about 8 km of surface faulting, along the trace of the NNW-trending active Fiandaca Fault. Detailed field surveys have been performed in the epicentral area to map the ruptures and to characterize their kinematics. The surface ruptures show a dominant right-oblique sense of displacement with an average slip of about 0.09 m and a maximum value of 0.35 m. We have parsed and organized all observations in a concise database, with 932 homogeneous georeferenced records. The Fiandaca Fault is part of the complex active Timpe faults system affecting the eastern flank of Etna, and its seismic history indicates a prominent surface-faulting potential. Therefore, this database is essential for unravelling the seismotectonics of shallow earthquakes in volcanic areas, and contributes updating empirical scaling regressions that relate magnitude and extent of surface faulting.

4.
Eur J Surg Oncol ; 43(8): 1566-1571, 2017 Aug.
Article in English | MEDLINE | ID: mdl-28669651

ABSTRACT

INTRODUCTION: Certain surgical interventions, especially those involving upper GI tract remain challenging, due to high morbidity and mortality rates. The study of frailty in the surgical population has allowed the identification of those patients with a higher risk of poor postoperative outcomes. There remains a lack of evidence regarding the possibility of improving these results through a preoperative holistic management of the patients. The aim of this study is to evaluate whether preoperative treatment, in carefully selected patients, can improve the outcome following surgery. PATIENTS AND METHODS: Between March 2015 and February 2016 patients affected by malignant tumors of the upper GI tract were enrolled at our Institution for major oncologic surgery. Amongst them, frail patients (Group 1) were identified using a validated scoring system and underwent a multidisciplinary preoperative management plan, composed of nutritional intervention, physical/respiratory enhancement and optimization of ongoing therapy. Short-term postoperative outcomes were then compared with a control group (Group 2) of patients with comparable frailty features and surgical indications, who had undergone surgery in the period from March 2013 to February 2014. RESULTS: 30-days and 3-months mortality, overall and severe complication rates were found to be significantly lower (p < 0.05) in Group 1 (41 patients) when compared with Group 2 (35 patents). No significant differences were recorded for the following outcomes: length of stay, referral to post-discharge institutionalisation and hospital re-admission. DISCUSSION: This study confirms advantages provided by preoperative treatment in frail patients, suggesting a new pathway for the improvement of postoperative outcomes.


Subject(s)
Frail Elderly , Gastrointestinal Neoplasms/surgery , Geriatric Assessment , Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Prospective Studies , Risk Factors , Treatment Outcome
6.
Surg Endosc ; 21(1): 21-7, 2007 Jan.
Article in English | MEDLINE | ID: mdl-17031743

ABSTRACT

BACKGROUND: Laparoscopic gastrectomies are currently performed in many centers, but compliance with oncologic requirements still represents a subject open to debate. The aim of this work was to compare the short-term and oncologic outcomes after laparoscopic and open surgery in gastric adenocarcinoma. METHODS: From June 2000 through June 2005, 147 patients in our institution underwent gastrectomy by open or mininvasive approach for adenocarcinoma. The laparoscopy group included 48 patients, 29 with early gastric cancer (EGC) and 19 with antral advanced gastric cancer (AGC). The short-term results and oncologic data were compared to those obtained in 99 patients who underwent open surgery. Survival in the laparoscopy group was analyzed. RESULTS: In the laparoscopy group no intraoperative complications were observed, and conversion was needed in only one patient with a large advanced tumor. Overall, 32 lymph nodes were collected by D2 dissection, 30 for EGC, 34 for advanced cancers. The resection margin was 6.7 cm (range: 4-8 cm). The mean operating time was 240 min (range: 150-360 min), with a blood loss of 150 ml on average (range: 70-250 ml). Morbidity included two duodenal leaks that healed without reoperation; after enclosing or reinforcing the staple line, no further leaking was noted. There was one death from massive bleeding in a cirrhotic patient. Ambulation and oral feeding started significantly earlier than in open surgery. The mean hospital stay was 10 days (range: 7-24 days), significantly shorter than the stay of 18 days after open surgery (p < 0.05). All patients treated laparoscopically were alive without recurrence at the end of this study. CONCLUSIONS: Short-term results with laparoscopic gastrectomy were better than with open surgery in this study. Oncologic radicality was a major concern, but in the authors' experience the extent of lymphadenectomy was the same as in open surgery. This study suggests that laparoscopic gastrectomy in malignancies is a reliable tool and oncologic requirements can be warranted.


Subject(s)
Adenocarcinoma/surgery , Gastrectomy , Laparoscopy , Stomach Neoplasms/surgery , Adult , Aged , Aged, 80 and over , Disease Progression , Female , Gastrectomy/adverse effects , Gastrectomy/methods , Gastrectomy/standards , Humans , Laparoscopy/adverse effects , Laparoscopy/standards , Length of Stay , Lymph Node Excision , Male , Middle Aged , Minimally Invasive Surgical Procedures , Retrospective Studies , Treatment Outcome
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