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https://www.readbyqxmd.com/read/28323442/an-investigation-of-human-body-model-morphing-for-the-assessment-of-abdomen-responses-to-impact-against-a-population-of-test-subjects
#1
Philippe Beillas, Fabien Berthet
OBJECTIVE: Human Body Models have the potential to better describe the human anatomy and variability than dummies. However, datasets available to verify the human response to impact are typically limited in numbers, and they are not size or gender specific. The objective of the study was to investigate the use of model morphing methodologies within that context. METHODS: In the current study, a simple human model scaling methodology was developed to morph two detailed human models (Global Human Body Model Consortium models 50(th) male, M50 and 5(th) female F05) to the dimensions of Post Mortem Human Surrogates (PMHS) used in published literature...
March 21, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28319480/right-axillary-artery-cannulation-for-endovascular-repair-of-an-acute-type-a-aortic-dissection
#2
Corbin E Muetterties, Jeremy H Conklin, G William Moser, Grayson H Wheatley
We present the case of a 48-year-old woman with an acute type A aortic dissection that was treated with thoracic endovascular aortic repair at our institution. The patient was found to have a focal type A dissection with pericardial effusion but no tamponade physiology and no involvement of the aortic valve or root. We elected to treat the patient's type A aortic dissection with an endovascular stent because of the patient's favorable anatomy and no evidence of neurologic deficits or signs of distal malperfusion...
March 17, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28317122/an-anthropomorphic-abdominal-phantom-for-deformable-image-registration-accuracy-validation-in-adaptive-radiation-therapy
#3
Yuliang Liao, Linjing Wang, Xiangdong Xu, Haibin Chen, Jiawei Chen, Guoqian Zhang, Huaiyu Lei, Ruihao Wang, Shuxu Zhang, Xuejun Gu, Xin Zhen, Linghong Zhou
PURPOSE: To design and construct a three-dimensional (3D) anthropomorphic abdominal phantom for geometric accuracy and dose summation accuracy evaluations of deformable image registration (DIR) algorithms for adaptive radiation therapy (ART). METHOD: Organ molds, including liver, kidney, spleen, stomach, vertebra and two metastasis tumors, were 3D printed using contours from an ovarian cancer patient. The organ molds were molded with deformable gels made of different mixtures of polyvinyl chloride (PVC) and the softener dioctyl terephthalate...
March 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28315152/bilateral-robotic-transabdominal-adrenalectomy-in-a-patient-with-intestinal-malrotation
#4
Zuliang Feng, Carmen C Solórzano
Bilateral adrenalectomy is the preferred surgical approach for patients with failed treatments for pituitary-based Cushing's syndrome. Intestinal malrotation (IM) is a rare congenital anatomic variant that rarely affects adults. The abnormal abdominal anatomy is concerning to surgeons planning elective procedures in such patients. Here, we describe a bilateral robotic transabdominal adrenalectomy (RTA) in a patient with IM. A 29-year-old female presented with refractory pituitary-based Cushing's syndrome and was found to have IM on preoperative CT scan...
March 17, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28302367/lateral-thigh-perforator-flap-for-breast-reconstruction-computed-tomographic-angiography-analysis-and-clinical-series
#5
Marco A Maricevich, Michael R Bykowski, M Asher Schusterman, Evan B Katzel, Michael L Gimbel
PURPOSE: Although abdominal-based flaps remain the first choice for autologous breast reconstruction, alternative donor sites are necessary when the abdomen is unavailable. Abdominal donor site suitability is determined, at times, according to deep inferior epigastric perforator (DIEP)-protocol computed tomographic angiography (CTA) results. CTA provides information about the pelvis/upper thigh that can be used to evaluate the suitability of other donor sites. This study aimed to examine the utility of DIEP-protocol CTA in the assessment of a lateral thigh perforator (LTP) flap...
February 20, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28291918/organ-motion-in-pediatric-high-risk-neuroblastoma-patients-using-four-dimensional-computed-tomography
#6
Sneha Kannan, Boon-Keng Kevin Teo, Timothy Solberg, Christine Hill-Kayser
PURPOSE/OBJECTIVE(S): High-risk neuroblastoma (HR-NBL) requires multimodality treatment, including external beam radiation of the primary tumor site following resection. Radiotherapy planning must take into account motion of the target and adjacent normal anatomy, both of which are poorly understood in the pediatric population, and which may differ significantly from those in adults. METHODS/MATERIALS: We examined 4DCT scans of 15 consecutive pediatric patients treated for HR-NBL, most with tumors in the abdominal cavity...
January 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28283881/a-case-of-double-inferior-vena-cava-with-renal-ovarian-and-iliac-vein-variation
#7
Taro Ito, Yayoi Ikeda
We encountered a rare case of an anatomic variant of inferior vena cava (IVC) duplication with renal, ovarian and iliac vein variation in an 81-year-old Japanese female cadaver during a student dissection course of anatomy at Aichi Gakuin University School of Dentistry. The two IVCs ran upwards bilaterally to the abdominal aorta. The left IVC joined with the left renal vein (RV) to form a common trunk that crossed anterior to the aorta and ended at the right IVC. We detected a vein [interiliac vein (IiV)] connecting the two IVCs at the level of the aortic bifurcation...
March 10, 2017: Anatomical Science International
https://www.readbyqxmd.com/read/28278561/the-role-of-surgical-clips-in-the-evaluation-of-interfractional-uncertainty-for-treatment-of-hepatobiliary-and-pancreatic-cancer-with-postoperative-radiotherapy
#8
Jin Suk Bae, Dong Hyun Kim, Won Taek Kim, Yong Ho Kim, Dahl Park, Yong Kan Ki
Purpose: To evaluate the utility of implanted surgical clips for detecting interfractional errors in the treatment of hepatobiliary and pancreatic cancer with postoperative radiotherapy (PORT). Methods and Materials: Twenty patients had been treated with PORT for locally advanced hepatobiliary or pancreatic cancer, from November 2014 to April 2016. Patients underwent computed tomography simulation and were treated in expiratory breathing phase. During treatment, orthogonal kilovoltage (kV) imaging was taken twice a week, and isocenter shifts were made to match bony anatomy...
March 10, 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28276661/anterior-lumbar-interbody-fusion-in-left-sided-inferior-vena-cava-and-right-sided-aortic-arch
#9
Kevin Phan, Bernard A M Fang, Monish M Maharaj, Andrew F Lennox, Ralph J Mobbs
Spinal fusion via anterior lumbar interbody fusion (ALIF) can offer symptomatic relief to patients that suffer severe low back pain, radiculopathy, and claudication. However, a detailed working knowledge of the thoracic, abdominal, and lumbar anatomy, particularly of the vasculature, is vital. We report the case of a 68-year-old man who presented with radiculopathy and progressively worsening low back pain despite 9 months of unsuccessful conservative therapy and pain management. Preoperative computed tomography and magnetic resonance imaging revealed a rare anatomical variation, with an anomalous left-sided inferior vena cava and anomalous aorta...
March 9, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28275425/a-clinical-and-ethical-review-on-late-results-and-benefits-after-evar
#10
REVIEW
Carlo Setacci, Pasqualino Sirignano, Vittorio Fineschi, Paola Frati, Giovanna Ricci, Francesco Speziale
INTRODUCTION: The aim of this review is to assess if late mortality after endovascular repair (EVAR) of abdominal aortic aneurysms (AAA) is a real problem, and whether it could be an issue in the case of medical litigation. MATERIAL AND METHODS: A review of all English language literature was performed on PubMed web-site, looking for all papers reporting EVAR long-term mortality rate. EVAR performances were reviewed also from an ethical and medico-legal point of view, based on current Italian laws...
April 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28275221/magnetic-resonance-mr-cholangiopancreatography-demonstration-of-the-cystic-duct-entering-the-right-hepatic-duct
#11
Tommaso D'Angelo, Sergio Racchiusa, Silvio Mazziotti, Giuseppe Cicero
BACKGROUND MR cholangiopancreatography is widely performed before laparoscopic cholecystectomy to rule out choledocholithiasis and to avoid iatrogenic injuries that may be related to the high frequency of anatomical variations of the biliary tree. Although most of these variants have already been demonstrated surgically and by endoscopic retrograde cholangiopancreatography and CT cholangiography, there are no references in which MR cholangiopancreatography has shown a cystic duct draining into the right hepatic biliary duct...
March 9, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28272279/preoperative-computed-tomography-angiogram-cta-measurement-of-abdominal-muscles-is-a-valuable-risk-assessment-for-bulge-formation-after-microsurgical-abdominal-breast-reconstruction
#12
Elisabeth A Kappos, Jeff Jaskolka, Kate Butler, Anne C O'Neill, Stefan Op Hofer, Toni Zhong
BACKGROUND: A major shortcoming associated with abdominal tissue breast reconstruction is the long-term abdominal wall morbidity. Although abdominal core muscle size on computed tomography angiogram (CTA) has been correlated with morbidity following many abdominal surgeries, it has not been studied for abdominal breast reconstruction. Therefore, we evaluated the association between preoperative CTA-derived measurements of abdominal core muscles and postoperative abdominal wall morbidity after abdominal tissue breast reconstruction...
March 6, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28270883/the-main-anatomic-variations-of-the-hepatic-artery-and-their-importance-in-surgical-practice-review-of-the-literature
#13
REVIEW
George Noussios, Ioannis Dimitriou, Iosif Chatzis, Anastasios Katsourakis
Anatomical variations of the hepatic artery are important in the planning and performance of abdominal surgical procedures. Normal hepatic anatomy occurs in approximately 80% of cases, for the remaining 20% multiple variations have been described. The purpose of this study was to review the existing literature on the hepatic anatomy and to stress out its importance in surgical practice. Two main databases were searched for eligible articles during the period 2000 - 2015, and results concerning more than 19,000 patients were included in the study...
April 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28267589/the-retroperitoneal-approach-to-endometriosis
#14
Julian A Gingold, Tommaso Falcone
STUDY OBJECTIVE: To demonstrate principles of laparoscopic management of deeply infiltrating endometriosis requiring retroperitoneal entry DESIGN: Step-by-step explanation of technique using video from patients with deeply infiltrating stage IV endometriosis who failed medical management. This study was exempt from IRB review. SETTING: Large academic medical center INTERVENTIONS: Laparoscopic surgical excision of endometriosis requiring retroperitoneal dissection...
March 3, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28238928/endovascular-and-open-repair-of-ruptured-infrarenal-aortic-aneurysms-at-a-tertiary-care-center
#15
Matthew A Schechter, Luigi Pascarella, Steven Thomas, Richard L McCann, Leila Mureebe
OBJECTIVE: The mortality of ruptured infrarenal abdominal aortic aneurysms (rAAA) has been reported as high as 90%. Loss of consciousness and a systolic blood pressure of < 80mmHg on presentation are the most important predictors of mortality after emergent open repair (OR). Endovascular repair of abdominal aortic aneurysm (EVAR) has reduced short-term operative mortality and morbidity for elective abdominal aortic aneurysm repair, and many be advocated for wider application of EVAR for rAAA...
February 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28218565/-total-laparoscopic-hysterectomy-with-the-coagulation-of-the-uterine-arteries-at-their-origin
#16
Rudolf Lampé, Csaba Móré, Ilona Fazekas, Róbert Póka
INTRODUCTION: Hysterectomy is one of the most frequently performed gynecological operations worldwide. Due to patient perceived advantages of technical development laparoscopic hysterectomy has become a widely used method. The attitude of patients, surgeons and service providers to laparoscopic procedures is not uniform, but total laparoscopic hysterectomy has prevailed due to its advantages from other types of laparoscopic hysterectomies. Coagulation of the uterine arteries at their origin during the standardized method of total laparoscopic hysterectomy provides further benefits for this procedure...
February 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28216360/the-influence-of-prototype-testing-in-three-dimensional-aortic-models-on-fenestrated-endograft-design
#17
Fadi Taher, Juergen Falkensammer, Jamie McCarte, Johann Strassegger, Miriam Uhlmann, Philipp Schuch, Afshin Assadian
OBJECTIVE: The fenestrated Anaconda endograft (Vascutek/Terumo, Inchinnan, UK) is intended for the treatment of abdominal aortic aneurysms with an insufficient infrarenal landing zone. The endografts are custom-made with use of high-resolution, 1-mm-slice computed tomography angiography images. For every case, a nonsterile prototype and a three-dimensional (3D) model of the patient's aorta are constructed to allow the engineers as well as the physician to test-implant the device and to review the fit of the graft...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28214762/paracaecal-hernia-a-case-report-on-the-evolving-role-of-laparoscopy
#18
Ammar Tayaran, Haider Abdulrasool, Hai T Bui
A paracaecal hernia, a type of pericaecal hernias, is a rare cause of small intestinal obstruction. Failure of early recognition and reduction of this type of internal hernia may lead to strangulation of the herniated intestine. There has been a number of case reports in the literature about the different types of pericaecal hernias, however the anatomy of these hernias is still poorly understood and the management is still evolving. We are presenting a 75year old woman, who presented clinically and radiologically with distal small intestinal obstruction...
January 17, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28208926/simultaneous-transabdominal-hysterectomy-and-cystolithotomy-in-an-augmented-urinary-bladder-challenges-and-outcome
#19
Vijay Sharma, Rakesh Kapoor, Priyank Yadav, Pankaj Gaur, Deepa Kapoor
Augmentation cystoplasty is a procedure to increase the anatomical as well as functional capacity of the urinary bladder using a segment of bowel or ureter. Upto half of these patients develop complications but most of them are minor and managed easily. Urolithiasis, especially bladder calculi are seen in upto half of the cases and are removed endoscopically or by open approach. Hysterectomy is an uncommon procedure in patients with augmentation cystoplasty and is complicated by the altered anatomy of the pelvis...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203176/a-case-of-gastric-cancer-with-situs-inversus-totalis
#20
Byoung Jo Suh
Situs inversus totalis (SIT) is a rare congenital anomaly that refers to a completely reversed location of the abdominal and thoracic organs. We report the case of 50-year-old man with gastric cancer and SIT who was diagnosed during a screening esophagogastroduodenoscopy. A chest X-ray, abdominopelvic computed tomography, and (18)F-fluoro2-deoxyglucose-D-glucose-positron emission tomography scans revealed SIT. We performed a radical subtotal gastrectomy with D2 lymph node dissection. Advanced surgical skill is required to perform a precise lymphadenectomy in a patient with SIT by visualizing the exact mirror image of the anatomy during the operation...
January 2017: Case Reports in Oncology
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