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Background: The step-up approach, using either flexible endoscopy or a minimal invasive retroperitoneal access, has reduced mortality and morbidity in patients with acute pancreatitis. The use of fully covered self-expanding metal stents (FCSEMS) or lumen apposing metal stents (LAMS) facilitates endoscopic necrosectomy and drainage of walled-off necrosis (WON). The aim of our analysis was to investigate the 30/90/365-day mortality and morbidity rates of the subtypes of the revised Atlanta classification for acute pancreatitis. Materials and Methods: We conducted a retrospective analysis of all patients (n = 302) treated with acute pancreatitis in our institution from January 2014 to July 2017. Mortality, morbidity, management of fluid collections, interventions, complications, and new onset of diabetes were recorded. Results: In 30.8% (n = 93/302) of patients, pancreatic fluid collection developed. Out of these, 58.1% (54/93) required intervention, consisting of endoscopic treatment in 63% (34/54) or multidisciplinary approach in 37% (20/54). Overall, 90-day mortality rate according to Kaplan-Meier Estimator was 3.7%. Overall, 1-year mortality rate was 6.2%. One-year mortality for uncomplicated acute pancreatic fluid collection, pseudocyst, and WON were 5.4%, 2.6%, and 13.5%, respectively. Hemorrhage in case of metal stent treatment (FCSEMS/LAMS) occurred in 14.3%. If LAMS was combined with double pigtail stent-in-stent, bleeding was seen in 5.3%. No transperitoneal necrosectomy was needed. Conclusions: Treating acute pancreatitis with a step-up approach, including stent-in-stent procedures, leads to low mortality rates and few stent-associated bleeding complications and minimizes necessity for open transperitoneal surgical necrosectomy.

BACKGROUND: Antibiotics have been widely used for the management of acne vulgaris, which has led to increased resistance of Cutibacterium acnes (C. acnes). OBJECTIVES: We sought to determine the susceptibility profile of C. acnes, isolated from patients with acne, to different prescribed antibiotics and compare our findings with global data. The relationship between antibiotic resistance and sex, age, acne severity, presence of any affected siblings, disease duration, and previous antimicrobial treatment was also investigated. METHODS: Samples were collected from randomly selected pustular acne lesions of patients attending the Dermatology Outpatients Clinic at Sir Paul Boffa Hospital in Floriana, Malta. Samples were inoculated and incubated in anaerobic conditions until 100 cultured C. acnes samples were obtained. Antibiotic susceptibility testing was then performed using azithromycin, clindamycin, doxycycline, minocycline, tetracycline, and trimethoprim/sulfamethoxazole using the agar dilution method. RESULTS: The highest resistance was observed to azithromycin (18%) followed by clindamycin (16%). Resistance to doxycycline and tetracycline was only found in two percent of the isolates and there was no resistance to trimethoprim/sulfamethoxazole and minocycline. Resistance to azithromycin and clindamycin was associated with acne severity (p=0.01 and p=0.03). Resistance to clindamycin was also statistically significantly higher in patients with a history of antibiotic therapy or concurrent antibiotic therapy during the study (p=0.04). CONCLUSION: To our knowledge, this is the first study documenting the susceptibility of C. acnes isolates to different antibiotics in Malta. Future research is needed to determine the clinical significance of antibiotic resistance of C. acnes.