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https://www.readbyqxmd.com/read/28809844/the-4-vessel-sampling-approach-to-integrative-studies-of-human-placental-physiology-in-vivo
#1
Ane M Holme, Maia B Holm, Marie C P Roland, Hildegunn Horne, Trond M Michelsen, Guttorm Haugen, Tore Henriksen
The human placenta is highly inaccessible for research while still in utero. The current understanding of human placental physiology in vivo is therefore largely based on animal studies, despite the high diversity among species in placental anatomy, hemodynamics and duration of the pregnancy. The vast majority of human placenta studies are ex vivo perfusion studies or in vitro trophoblast studies. Although in vitro studies and animal models are essential, extrapolation of the results from such studies to the human placenta in vivo is uncertain...
August 2, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28808950/gastric-volvulus-with-segmental-necrosis-treated-with-wedge-resection-and-gastrogastrostomy
#2
Alexa Elizabeth Merz, Jennifer Francis Preston
Ischemic necrosis is a feared complication of acute gastric volvulus, occurring in 11% of patients presenting with the condition and responsible for mortality in 30%. In such cases, there are few well-validated options for surgical reconstruction. We present the case of a 77-year-old woman with intraabdominal mesenteroaxial gastric volvulus with segmental ischemic gastric necrosis who underwent wedge gastrectomy and hand-sewn gastrogastrostomy. She did well postoperatively and experienced no significant gastrointestinal complications...
August 14, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28799045/trauma-laparoscopy-when-to-start-and-when-to-convert
#3
Oleh Matsevych, Modise Koto, Moses Balabyeki, Colleen Aldous
BACKGROUND: The use of laparoscopy for stable patients with abdominal trauma is increasing and its accuracy is nearly 100%. However, indications for laparoscopy and for conversion differ among centers. The aim of this study was to investigate indications for trauma laparoscopy and for conversion to laparotomy. METHODS: All trauma patients managed with laparoscopy over a 4-year period were retrospectively analyzed. Indications for laparoscopy, morbidity, and reasons for conversion were investigated and predictors of morbidity and conversion were sought...
August 10, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28791423/preliminary-trial-of-augmented-reality-performed-on-a-laparoscopic-left-hepatectomy
#4
Priyanka Phutane, Emmanuel Buc, Karine Poirot, Erol Ozgur, Denis Pezet, Adrien Bartoli, Bertrand Le Roy
BACKGROUND: Laparoscopic liver surgery is seldom performed, mainly because of the risk of hepatic vein bleeding or incomplete resection of the tumour. This risk may be reduced by means of an augmented reality guidance system (ARGS), which have the potential to aid one in finding the position of intrahepatic tumours and hepatic veins and thus in facilitating the oncological resection and in limiting the risk of operative bleeding. METHODS: We report the case of an 81-year-old man who was diagnosed with a hepatocellular carcinoma after an intraabdominal bleeding...
August 8, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28767596/duodenum-derived-fibromatosis-that-invaded-the-muscular-layer-of-intestinal-wall-a-rare-case-report
#5
Jiannan Li, Hanxiang Le, Wei Chai, Yan Zhou, Lifang Jin, Tongjun Liu, Kai Zhang
RATIONALE: Intraabdominal fibromatosis is a rare benign tumor that often affects the mesentery or retroperitoneum, and can infiltrate adjacent organs. However, it is rare for fibromatosis to arise from the small intestinal wall. PATIENT CONCERNS: A 27-year-old female with a tangible abdominal tumor is described. DIAGNOSES: The computed tomography (CT) scan revealed a 7.5 cm, small intestine-associated tumor in the right abdomen. INTERVENTIONS: The patient received tumor resection and intestinal anastomosis...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28760356/unplanned-readmission-and-outpatient-examination-90-days-after-acute-appendectomy-in-adults
#6
Bo Bendvold, Arne Refsum, Line Schjøth-Iversen, Kjersti Bringedal, Anders Husby, Kristoffer Watten Brudvik
BACKGROUND: The aim of this study was to determine the frequency and indications for unplanned readmission and outpatient examination after acute appendectomy. METHODS: Adults who underwent acute appendectomy from 2008-2013 were included in the study and events occurring within 90-days from discharge recorded. RESULTS: A total of 710 patients underwent surgery. The appendix was removed in 622 patients and post-discharge contact occurred in 99 (15...
July 21, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28756933/pericardial-herniation-of-small-bowel-post-minimally-invasive-hybrid-maze-of-atrial-fibrillation
#7
David A Farcy, Angelo Lapietra, Benjamin N Abo, Michael Dalley
BACKGROUND: Herniation of intraabdominal contents into the pericardial cavity is exceptionally rare, and when seen, it is most often the result of trauma, postsurgical complication, or genetic defect. There have been only a few case reports describing spontaneous bowel herniation into the pericardium in minimally invasive cardiac procedures like cardiac ablation, pacemaker placement, and minimally invasive coronary artery bypass graft. CASE REPORT: We report the case of a 65-year-old man who presented to an urgent care center complaining of abdominal and chest pain...
July 27, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28755968/surgical-and-medical-approach-to-patients-requiring-total-small-bowel-resection-managing-the-no-gut-syndrome
#8
Ruy J Cruz, Laurie Butera, Kristine Poloyac, Jenee McGurgan, William Stein, David Binion, Abhinav Humar
BACKGROUND: Total resection of the jejunum and ileum, a rarely performed procedure, is indicated after mesenteric vascular events, trauma, or resection of abdominal neoplasms. We describe our recent experience with the operative and medical management of patients with "no gut syndrome." METHODS: We retrospectively reviewed 341 adult patients who were referred to our center between January 2013 and December 2016. RESULTS: Thirteen patients with a mean age of 42...
July 26, 2017: Surgery
https://www.readbyqxmd.com/read/28755257/two-way-interaction-effects-of-perioperative-complications-on-30-day-mortality-in-general-surgery
#9
Minjae Kim, Guohua Li
BACKGROUND: Multiple perioperative complications increase mortality risk, and certain complications synergistically increase this risk to a greater degree than might be expected if the complications were independent, but these effects are not well established. METHODS: This is a retrospective cohort study of 422,827 intraabdominal general surgery patients (American College of Surgeons National Surgical Quality Improvement Program 2005-2011). Eight complications were evaluated: acute respiratory failure (ARF), acute kidney injury (AKI), sepsis/septic shock, stroke, cardiac arrest (CA), myocardial infarction (MI), deep vein thrombosis/pulmonary embolus, and transfusion...
July 28, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28747615/isolated-congenital-megacystis-with-spontaneous-resolution-a-case-report
#10
Toshihiko Nakamura
The patient was a male infant with an antenatal diagnosis of huge intraabdominal mass. Prenatal ultrasound at 35 weeks gestation revealed a markedly enlarged cystic mass in the lower abdomen. After birth at 38 weeks, the infant was allowed to void spontaneously and passed meconium. Ultrasonography showed an enlarged bladder with wall thickness of 2.9 mm and no hydronephrosis. Voiding cystourethrograms showed no evidence of vesicoureteral reflex and posterior urethral valve. The post-void residuals were 15 mL at 11 days of life, 5 mL at 1 month and 0 mL at 5 months...
July 26, 2017: Fukushima Journal of Medical Science
https://www.readbyqxmd.com/read/28742537/update-in-natural-orifice-translumenal-endoscopic-surgery-notes
#11
Joern Bernhardt, Sarah Sasse, Kaja Ludwig, Peter N Meier
PURPOSE OF REVIEW: The recent developments and clinical applications of natural orifice translumenal endoscopic surgery (NOTES)-procedures and technologies are going to be presented. RECENT FINDINGS: In experimental as well as clinical settings, NOTES-procedures are predominantly performed in hybrid technique. Current experimental studies focus on the implementation of new surgical approaches as well as on the training of procedures. One emphasis in the clinical application is transrectal and transanal interventions...
September 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28742509/persistent-m%C3%A3-llerian-duct-syndrome-a-novel-mutation-in-the-%C3%AE-nti-m%C3%A3-llerian-%C3%AE-ormone-gene
#12
Ayça Altincik, Fahri Karaca, Hüseyin Onay
BACKGROUND AND OBJECTIVE: Persistent Müllerian duct syndrome (PMDS) is a relatively rare form of 46,XY disorder of sex development caused by the failure of formation, release or action of anti-Müllerian hormone (AMH) in intrauterine life. In this report we describe a case diagnosed with PMDS with a novel homozygous mutation in the AMH gene. CASE REPORT: A 4-month-old male presented with bilateral cryptorchidism and normal external genitalia. The laboratory examination revealed normal gonadotropin levels for his age (FSH: 0...
April 2017: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28736715/a-case-of-liver-abscess-and-fusobacterium-septicemia
#13
Elham Rahmati, Rosemary C She, Brittany Kazmierski, P Jan Geiseler, Darren Wong
Fusobacterium species are well described as the causative pathogen in Lemierre's syndrome, a suppurative thrombophlebitis of the jugular vein. However, they are less recognized for a unique variant of Lemierre's syndrome presenting with invasive intraabdominal infection and associated portal vein thrombosis. We describe a case of Fusobacterium nucleatum with hepatic abscess and septic pylephlebitis.
2017: IDCases
https://www.readbyqxmd.com/read/28732549/intraperitoneal-lactate-pyruvate-ratio-and-the-level-of-glucose-and-glycerol-concentration-differ-between-patients-surgically-treated-for-upper-and-lower-perforations-of-the-gastrointestinal-tract-a-pilot-study
#14
Jonas E Sabroe, Anne R Axelsen, Mark B Ellebæk, Bjarne Dahler-Eriksen, Niels Qvist
BACKGROUND: Secondary peritonitis is a condition associated with high morbidity and mortality. Continuous postoperative monitoring of patients to ensure timely intervention to treat complications without delay is important for survival and outcome. We aimed to (1) investigate potential differences in postoperative intraperitoneal biomarker levels between patients with upper and lower gastrointestinal tract lesion, and (2) compare postoperative biomarker levels between complicated and uncomplicated patients...
July 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28717546/laparoscopic-management-and-its-outcomes-in-cases-with-nonpalpable-testis
#15
Cankat Erdoğan, Berktuğ Bahadır, Hakan Taşkınlar, Ali Naycı
OBJECTIVE: Diagnostic laparoscopy is the gold standard in the algorithm of nonpalpable testis. Testicular tissue is examined and treatment is planned accordingly. In this study we reviewed the place of diagnostic laparoscopy, and evaluated the results and effectiveness of laparoscopy in the diagnosis and management of nonpalpable testis. MATERIAL AND METHODS: Children who had diagnostic laparoscopy for nonpalpable testes were included in the study. Physical examination results, ultrasonography (USG) reports, age at surgery, laparoscopic and inguinal exploration findings, surgical procedures, orchiopexy results, early and late-term complications were evaluated...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28716661/the-prevalence-and-morphometry-of-an-accessory-spleen-a-meta-analysis-and-systematic-review-of-22-487-patients
#16
REVIEW
Jens Vikse, Beatrice Sanna, Brandon Michael Henry, Dominik Taterra, Silvia Sanna, Przemysław A Pękala, Jerzy A Walocha, Krzysztof A Tomaszewski
BACKGROUND: An accessory spleen (AS) is a lobule of splenic tissue found in ectopic locations. Identification of AS is particularly important in patients with immune thrombocytopenia (ITP) requiring splenectomy as unrecognized AS can later cause refractory symptoms. The AS can also be a source of significant intraabdominal hemorrhage. The aim of this meta-analysis was to systematically analyze the data on the prevalence, number, location, and morphometry of AS. MATERIALS AND METHODS: An extensive search of the major electronic databases was conducted to identify all studies that reported relevant data on the AS...
July 15, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28713635/fibrous-encapsulation-of-the-peritoneal-catheter-in-peritoneal-shunt-case-report
#17
Tomoaki Kano, Hideyuki Kawauchi
BACKGROUND: The authors report a case of fibrous encapsulation of the peritoneal catheter, which caused peritoneal shunt malfunction, and has not previously been researched well as a complication of peritoneal shunts. CASE DESCRIPTION: A 69-year-old woman who had undergone a lumboperitoneal (LP) shunt for communicative hydrocephalus following subarachnoid hemorrhage caused by a ruptured aneurysm was identified with malfunction of the LP shunt system by dementia and gait disturbance...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28707173/intraoperative-ventilation-of-morbidly-obese-patients-guided-by-transpulmonary-pressure
#18
Lars Eichler, Katarzyna Truskowska, A Dupree, P Busch, Alwin E Goetz, Christian Zöllner
BACKGROUND: Bariatric surgery has proven a successful approach in the treatment of morbid obesity and its concomitant diseases such as diabetes mellitus and arterial hypertension. Aiming for optimal management of this challenging patient cohort, tailored concepts directly guided by individual patient physiology may outperform standardized care. Implying esophageal pressure measurement and electrical impedance tomography-increasingly applied monitoring approaches to individually adjust mechanical ventilation in challenging circumstances like acute respiratory distress syndrome (ARDS) and intraabdominal hypertension-we compared our institutions standard ventilator regimen with an individually adjusted positive end expiratory pressure (PEEP) level aiming for a positive transpulmonary pressure (P L) throughout the respiratory cycle...
July 14, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28705666/in-vitro-activity-of-ceftolozane-tazobactam-against-pseudomonas-aeruginosa-and-enterobacteriaceae-isolates-recovered-from-hospitalized-patients-in-germany
#19
Harald Seifert, Barbara Körber-Irrgang, Michael Kresken
To evaluate the activity of ceftolozane/tazobactam in comparison with other broad-spectrum antimicrobials against Pseudomonas aeruginosa and Enterobacteriaceae, 497 non-duplicate P. aeruginosa and 802 Enterobacteriaceae clinical isolates were consecutively collected during the period from September 2014 to April 2015 from patients in Germany with bloodstream, lower respiratory tract, intraabdominal or urinary tract infections. Antimicrobial susceptibility testing was performed by broth microdilution. Results were interpreted according to EUCAST criteria...
July 10, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28694230/pharmacokinetics-of-piperacillin-tazobactam-in-plasma-peritoneal-fluid-and-peritoneum-of-surgery-patients-and-dosing-considerations-based-on-site-specific-pharmacodynamic-target-attainment
#20
Naoki Murao, Hiroki Ohge, Kazuro Ikawa, Yusuke Watadani, Shinnosuke Uegami, Norifumi Shigemoto, Norimitsu Shimada, Raita Yano, Toshiki Kajihara, Kenichiro Uemura, Yoshiaki Murakami, Norifumi Morikawa, Taijiro Sueda
Piperacillin-tazobactam (PIP-TAZ) is commonly used to treat intraabdominal infections; however, its penetration into abdominal sites is unclear. A pharmacokinetic analysis of plasma, peritoneal fluid, and peritoneum drug concentrations was conducted to simulate dosing regimens needed to attain the pharmacodynamic target in abdominal sites. PIP-TAZ (4 g-0.5 g) was intravenously administered to 10 patients before abdominal surgery for inflammatory bowel disease. Blood, peritoneal fluid, and peritoneum samples were obtained at the end of infusion (0...
July 8, 2017: International Journal of Antimicrobial Agents
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