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Described are the development of a new synthetic method using ultrasonic irradiation and sodium methoxide as catalyst for a series of pyridinic sucrose esters (py-SEs), derived from transesterification of sucrose with picolinic, nicotinic and isonicotinic methyl esters. The reaction was optimized using a 32 x 2 experimental design, the reaction time, temperature and sucrose methyl ester molar ratio being evaluated. The method proved to be efficient for obtaining monosubstituted esters (≥83%) with high methyl ester consumption (≥79%). The monosubstituted py-SEs were isolated by semipreparative HPLC, characterized by high-resolution mass spectrometry, calorimetry, vibrational spectroscopy, and 1H and 13C NMR. The py-SEs were tested against E. coli, S. aureos, and P. aeruginosa bacteria with minimum inhibitory concentration values equal or inferior to the reference drugs for both E. coli and P. aeruginosa. BACKGROUND Individuals with alcohol use disorder (AUD) display deficits across a range of cognitive processes. Decrements in social cognition may be particularly important for interpersonal functioning and post-treatment adaptation. Although social cognitive deficits are associated with chronic use of numerous substances, the role of polysubstance use in AUD-associated deficits remains largely unaddressed. METHODS Community volunteers (n = 49; 22 men) and inpatient treatment-seekers with AUD were administered neurocognitive tasks indexing emotion processing and non-affective cognitive functioning. Tasks included an emotion discrimination task, a working memory task with affective stimuli, a general face processing (control) task, two measures of executive function, and two measures of visual spatial function. AUD subgroups included individuals with no recent (6-month) polysubstance use (AUD-Only; n = 22; 15 men), and those with at least weekly use (Poly-SU; n = 22; 18 men). RESULTS Poly-SU individuals evinced disadvantaged performance relative to other groups on the emotion discrimination task [ps ≤ 0.001], affective working memory task [ps ≤ 0.050], and two executive function measures [ps ≤ 0.051]. No differences were observed for visual spatial functioning [ps ≥ 0.498] or general face processing [ps ≥ 0.190]. No performance differences between AUD-Only and community volunteers were noted. CONCLUSIONS Results extend the emerging literature exploring emotion processing in AUD and add to the established literature regarding cognitive deficits in this population. The data suggest that among individuals with AUD, those with polysubstance use may be particularly vulnerable to deficits in decoding emotional face content. The current work highlights the need to incorporate more nuanced and careful considerations of polysubstance use in the design and analysis for future investigations of alcohol-associated deficits in emotion processing. INTRODUCTION Long-acting recombinant factor IX (FIX) products may simplify the surgical treatment of haemophilia B patients. The impact of rIX-FP, a recombinant FIX fused to recombinant albumin, on FIX consumption and surgical management was assessed in patients with haemophilia B. https://www.selleckchem.com/products/lenalidomide-s1029.html MATERIALS AND METHODS Male patients, ≤65 years old with severe haemophilia B (FIX activity ≤2%) requiring non-emergency surgery were enrolled in the surgical substudy of PROLONG-9FP. Dosing was based on World Federation of Hemophilia guidelines and patients' pharmacokinetics. Haemostatic efficacy was assessed on a 4-point scale. rIX-FP consumption and safety were monitored throughout the perioperative period. RESULTS This updated dataset reports on thirty (8 minor and 22 major) surgeries conducted in 21 patients. A single preoperative bolus was used in 96.7% (n = 29) of surgeries. After minor surgery, patients received a median (range) of 0 (0-3) infusions with a median (range) consumption of 0 (0-178.89) IU/kg in the 14-day postoperative period. In patients who underwent major surgery (including 15 patients undergoing joint replacement surgery), the median (range) number of infusions in the 14-day postoperative period was 5 (0-11) and median consumption was 221.7 (0-444.07) IU/kg. Haemostatic efficacy was rated as excellent or good in 87.5% (7/8) of minor surgeries and 95.5% (21/22) of major surgeries. CONCLUSION Surgical procedures can be performed using a single preoperative bolus of rIX-FP in nearly all patients. During postoperative care, use of rIX-FP necessitated infrequent infusions and low FIX consumption. Overall, data suggest rIX-FP simplifies perioperative care in patients with haemophilia B. INTRODUCTION Osteoid osteomas are benign osteoblastic bone tumors mostly seen in patients in the second or third decade of life, and they most frequently involve the femur and tibia. Hallux osteoid osteoma is an extremely rare occurrence with only 14 reported cases to date. PRESENTATION OF CASE A 46-year-old woman with a right hallux pain for the last 18 months was admitted. Her foot radiographs showed a small sclerotic focus on the distal phalanx and degenerative changes in the interphalangeal joint of the hallux. The complaints of the patient were attributed to osteoarthritis involving the interphalangeal joint and non-steroidal anti-inflammatory drugs were administered; however, the patient's condition did not improve, and hallux osteoid osteoma could not be correctly diagnosed until a CT scan was performed. DISCUSSION We present a case of hallux osteoid osteoma in which the diagnosis was delayed greatly due to the unusuality of the lesion location, the advanced age of the patient, and the uncertainty of the clinical and radiographic appearance. CONCLUSION Although rare, osteoid osteoma may occur in the hallux. Even if the patient age, pain pattern, and radiographic findings do not exactly meet the classical definitions for osteoid osteoma, this tumor should always be included in the differential diagnosis list in patients presenting with foot pain. INTRODUCTION The rudimentary noncommunicating horn with a functional endometrial cavity is rare and often challenging to diagnose because of the variety in clinical features. We present a case of a patient for whom the diagnosis of a uterine horn was missed during the prior cesarean section, which later successfully treated with robotic-assisted laparoscopic removal of a rudimentary noncommunicating horn of uterus and ipsilateral tube. PRESENTATION OF CASE A 20-year old woman, gravida 3 para 2, presented with a complaint of acute and severe pelvic pain with fever. Multiple imaging modalities of pelvis and abdomen showed an 8 cm right-sided pelvic mass with a tubular structure adjacent to the uterus. The pelvic inflammatory disease was diagnosed and treated with intravenous antibiotics. After reviewing multiple radiology images, Müllerian anomaly was suspected, and the rudimentary horn with the fallopian tube was confirmed via diagnostic hysteroscopy and laparoscopy. Subsequently, robotic-assisted laparoscopic removal of the right horn with the fallopian tube was performed.
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