186,323 research outputs found
Anastomotic leakage in colorectal cancer surgery
No full textThe safety of colorectal surgery for oncological disease is steadily improving, but anastomotic leakage is still the most feared and devastating complication from both a surgical and oncological point of view. Anastomotic leakage affects the outcome of the surgery, increases the times and costs of hospitalization, and worsens the prognosis in terms of short- and long-term outcomes. Anastomotic leakage has a wide range of clinical features ranging from radiological only finding to peritonitis and sepsis with multi-organ failure. C-reactive protein and procalcitonin have been identified as early predictors of anastomotic leakage starting from postoperative day 2–3, but abdominal-pelvic computed tomography scan is still the gold standard for the diagnosis. Several treatments can be adopted for anastomotic leakage. However, there is not a universally accepted flowchart for the management, which should be individualized based on patient's general condition, anastomotic defect size and location, indication for primary resection and presence of the proximal stoma. Non‐operative management is usually preferred in patients who underwent proximal faecal diversion at the initial operation. Laparoscopy can be attempted after minimal invasive surgery and can reduce surgical stress in patients allowing a definitive treatment. Reoperation for sepsis control is rarely necessary in those patients who already have a diverting stoma at the time of the leak, especially in extraperitoneal anastomoses. In patients without a stoma who do not require abdominal reoperation for a contained pelvic leak, there are several treatment options, including laparoscopic diverting ileostomy combined with trans-anal anastomotic tube drainage, percutaneous drainage or recently developed endoscopic procedures, such as stent or clip placement or endoluminal vacuum‐assisted therapy. We describe the current approaches to treat this complication, as well as the clinical tests necessary to diagnose and provide an effective therapy
Postoperative mortality and morbidity after D2 lymphadenectomy for gastric cancer: A retrospective cohort study
No full textBACKGROUND Surgery for gastric cancer is a complex procedure and lymphadenectomy is often mandatory. Postoperative mortality and morbidity after curative gastric cancer surgery is not insignificant. AIM To evaluate the factors determining mortality and morbidity in a population of patients undergoing R0 resection and D2 lymphadenectomy for gastric cancer. METHODS A retrospective analysis of clinical data and pathological characteristics (age, sex, primary site of the tumor, Lauren histotype, number of positive lymph nodes resected, number of negative lymph nodes resected, and depth of invasion as defined by the standard nomenclature) was conducted in patients with gastric cancer. For each patient we calculated the Kattan's score. We arbitrarily divided the study population of patients into two groups based on the nomogram score (< 100 points or ≥ 100 points). Prespecified subgroups in these analyses were defined according to age (≤ 65 years or > 65 years), and number of lymph nodes retrieved (≤ 35 lymph nodes or > 35 lymph nodes). Uni- and multivariate analysis of clinical and pathological findings were performed to identify the factors affecting postoperative mortality and morbidity. RESULTS One-hundred and eighty-six patients underwent a curative R0 resection with D2 lymphadenectomy. Perioperative mortality rate was 3.8% (7 patients); a higher mortality rate was observed in patients aged > 65 years (P = 0.002) and in N+ patients (P = 0.04). Following univariate analysis, mortality was related to a Kattan's score ≥ 100 points (P = 0.04) and the presence of advanced gastric cancer ( P = 0.03). Morbidity rate was 21.0% (40 patients). Surgical complications were observed in 17 patients (9.1%). A higher incidence of morbidity was observed in patients where more than 35 lymph nodes were harvested (P = 0.0005). CONCLUSION Mortality and morbidity rate are higher in N+ and advanced gastric cancer patients. The removal of more than 35 lymph nodes does not lead to an increase in mortality
I-ACTSS-COVID-19—the Italian acute care and trauma surgery survey for COVID-19 pandemic outbreak
No full textAbstract: The sudden COVID-19 outbreak in Italy has challenged our health systems and doctors faced the challenge of treating a large number of critically ill patients in a short time interval. Acute care surgeons, although not directly involved in treating COVID-19 + patients, have often modified their daily activity to help in this crisis. We have designed the first Italian survey on the effect of COVID-19 outbreak on Acute Care Surgery activity and submitted it to emergency surgeons in all the country to evaluate the experiences, trends, attitudes and possible educational outcomes that this emergency brought to light. A total of 532 valid surveys were collected during the study period. Lombardy and Lazio had the major answer rate. 96% of responders noticed a decrease in surgical emergencies. The outbreak affected regions and hospitals in different ways depending on the local incidence of infection. Half of responders modified their approach to intra-abdominal infections towards a more conservative treatment. 43% of responders, mainly in the North, were shifted to assist non-surgical patients. There has been a direct but non-homogeneous involvement of emergency surgeons. Almost all hospitals have responded with specific pathways and training. Both emergency surgery and trauma activity have changed and generally decreased but the majority of surgeons have operated on suspected COVID-19 patients. Graphic abstract: [Figure not available: see fulltext.]
Changes in the Surgical Approach to Colonic Emergencies during a 15-Year Period.
No full textAbstract
PURPOSE:
The present study aims to determine the morbidity and mortality of emergency colonic surgery and the factors associated with adverse outcome, and to evaluate any change in incidence of the different types of pathological conditions and in the surgical approach over the last 15 years.
MATERIALS AND METHODS:
A total of 319 patients who underwent emergency colonic surgery between January 1997 and December 2011 were retrospectively analyzed. Patients were divided into two groups according to the date of surgery, namely group 1, between 1997 and 2006, and group 2, between 2006 and 2011. The differences in terms of postoperative outcomes between the groups were analyzed.
RESULTS:
Overall postoperative morbidity and mortality rates were 25.3 and 17.2%, respectively; no differences were found between the groups. Group 2 showed a significantly increased rate of primary resection and anastomosis (p < 0.001), as well as an increase in laparoscopic approach compared with group 1 (p < 0.001).
CONCLUSIONS:
Emergency colon surgery is today primarily performed for benign diseases, of these the most common is diverticular disease followed by ischemic colitis. Age, comorbidities, and ischemic colon disease are predictors of adverse outcomes, while the surgical procedure per se is not. © 2014 S. Karger AG, Basel
Anti--fibrogenic effect of Interferon alpha-2b on hepatic stellate cell activation by human hepatocytes
No full textClinical role of serum and tissue matrix metalloprotease-9 expression in chronic HCV patients treated with pegylated IFN-alpha2b and ribavirin
No full textAuthor-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Anti--fibrogenic effect of Interferon alpha-2b on hepatic stellate cell activation by human hepatocytes
No full textGoing Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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