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Minimally invasive surgery

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https://www.readbyqxmd.com/read/28103580/biodegradable-and-biocompatible-high-elastic-chitosan-scaffold-is-cell-friendly-both-in-vitro-and-in-vivo
#1
Yichuan Pang, An Qin, Xianfeng Lin, Lin Yang, Qiang Wang, Zhengke Wang, Zhi Shan, Shengyun Li, Jiying Wang, Shunwu Fan, Qiaoling Hu
Biodegradable and biocompatible macromolecule chitosan has been favored for a variety of clinical applications. We reported herein the fabrication of a novel chitosan scaffold with high elasticity. This scaffold can be easily compressed and thus enable the insertion of such scaffold into surgical lesions during minimal invasive surgeries. In addition, this novel scaffold can restore its shape when released. We evidenced that this high elastic scaffold has better biocompatibility than traditional chitosan scaffold...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28102450/hidden-blood-loss-and-the-influential-factors-after-percutaneous-kyphoplasty-surgery
#2
Yao-Sen Wu, Hui Zhang, Wen-Hao Zheng, Zhen-Hua Feng, Ze-Xin Chen, Yan Lin
PURPOSE: Percutaneous kyphoplasty (PKP) is a minimally invasive procedure for the treatment of osteoporotic vertebral compression fractures (OVCFs). It is generally considered that there is little blood loss during the surgery. However, a significant perioperative hidden blood loss (HBL) is neglected. This study was to examine the amount of HBL and determine the influential factors during PKP. METHODS: From January 2015 to January 2016, 115 patients with OVCFs who were scheduled to have a PKP were enrolled in this study...
January 19, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28101590/-minimally-invasive-treatment-of-intra-articular-calcaneal-fractures-with-the-2%C3%A2-point-distractor
#3
G Mattiassich, W Litzlbauer, M Ponschab, R Ortmaier, C Rodemund
OBJECTIVE: Open treatment of calcaneus fractures often has an increased risk of wound healing. Minimally invasive treatment with small incisions reduces complications. INDICATIONS: Calcaneal fractures with malalignment/comminution >1-2 mm; broadening, varus alignment of the calcaneal length axis or shortening; emergency surgery for open fractures or compartment syndrome. CONTRAINDICATIONS: Local or general contraindications. SURGICAL TECHNIQUE: Standardised positioning; restoration of length/axis with 2‑point distractor under fluoroscopic control...
January 18, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28101302/robot-assisted-laparoscopic-gastrectomy-for-gastric-cancer
#4
REVIEW
Stefano Caruso, Franco Franceschini, Alberto Patriti, Franco Roviello, Mario Annecchiarico, Graziano Ceccarelli, Andrea Coratti
Phase III evidence in the shape of a series of randomized controlled trials and meta-analyses has shown that laparoscopic gastrectomy is safe and gives better short-term results with respect to the traditional open technique for early-stage gastric cancer. In fact, in the East laparoscopic gastrectomy has become routine for early-stage gastric cancer. In contrast, the treatment of advanced gastric cancer through a minimally invasive way is still a debated issue, mostly due to worries about its oncological efficacy and the difficulty of carrying out an extended lymphadenectomy and intestinal reconstruction after total gastrectomy laparoscopically...
January 16, 2017: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28101154/minimally-invasive-open-nephrectomy-on-children-with-multicystic-dysplastic-kidney
#5
Dongchuan Feng, Xiaoyu Zhu, Fang Sun, Tongsheng Ma, Yuan Li, Shujing Chen
The aim of the study was to summarize the preliminary experience of minimally invasive open nephrectomy operation on children with multicystic dysplastic kidney (MCDK). A retrospective review was performed on the clinical materials of the 15 children that had accepted consecutive minimally invasive open nephrectomies during the previous 2 years. The enrolled children were diagnosed with unilateral MCDK under computed tomography, emission computerized tomography and ultrasound and no anomaly in the contralateral functioning kidney was found...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28101044/heads-up-macular-surgery-with-a-27-gauge-microincision-vitrectomy-system-and-minimal-illumination
#6
Hiroshi Kunikata, Toshiaki Abe, Toru Nakazawa
OBJECTIVE: We combined heads-up 3-dimensional (3D) 27-gauge microincision vitrectomy surgery (27GMIVS) with a very low-intensity illumination system. METHODS: This study was based on a retrospective, interventional case series of 6 eyes of 6 patients with macular disease. All patients underwent heads-up 3D 27GMIVS and the power of the intraocular illuminator was set to its minimum level, 1% (approximately 0.1 lm), throughout the surgery. RESULTS: We found that the procedure was easy when the heads-up 3D system was used, but not through the eyepiece of a microscope...
September 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28100406/modeling-of-path-planning-and-needle-steering-with-path-tracking-in-anatomical-soft-tissues-for-minimally-invasive-surgery
#7
Pan Li, Shan Jiang, Dong Liang, Zhiyong Yang, Yan Yu, Wei Wang
Steerable needles can potentially improve the effectiveness of diagnostic and therapeutic procedures, such as biopsy and cancer treatment, by increasing the targeting accuracy and reaching previously inaccessible targets. A discrete potential field algorithm based on three dimensional (3D) anatomical structures is proposed in this paper to plan the needle path in minimally invasive surgery. A 3D kinematic model of needle steering is formulated using Lie group theory. Model parameters are fitted using experimental data acquired via a 2-degree of freedom robotic device and an ultrasound imaging device...
January 16, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28099736/systematic-review-of-same-day-discharge-after-minimally-invasive-hysterectomy
#8
REVIEW
Malene Korsholm, Ole Mogensen, Mette M Jeppesen, Vibeke K Lysdal, Koen Traen, Pernille T Jensen
BACKGROUND: Same-day discharge has been suggested to safe and acceptable following minimally invasive hysterectomy. OBJECTIVES: To evaluate the feasibility of same-day discharge following minimally invasive hysterectomy and to identify associated factors. SEARCH STRATEGY: Medline, Embase and the Cochrane Central Register of Controlled Trials were systematically searched using the terms "same day discharge", "minimally invasive surgery", and "hysterectomy" between October 1 and October 31, 2015...
February 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28099364/endoscopic-retrieval-of-gastric-trichophytobezoar-case-report-of-a-12-year-old-girl-with-trichophagia
#9
Jiu-Ling Zhao, Wei-Chuan Zhao, Yu-Shui Wang
RATIONALE: Trichophytobezoars, which are composed of hair and plant fibers, are usually located in the stomach. They are often associated with trichophagia and trichotillomania. The most commonly reported methods of trichophytobezoar treatment are open surgery and laparoscopic retrieval; there are few reports of endoscopic removal of trichophytobezoars. PATIENT CONCERNS AND DIAGNOSES: Twelve-year-old girl presented with a 3-day history of increasing upper abdominal pain, anorexia, and postprandial emesis...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28099179/traditional-sternotomy-versus-minimally-invasive-aortic-valve-replacement-in-patients-stratified-by-ejection-fraction
#10
Tom C Nguyen, Vinod H Thourani, Justin Q Pham, Yelin Zhao, Matthew D Terwelp, Prakash Balan, Daniel Ocazionez, Catalin Loghin, Richard W Smalling, Anthony L Estrera, Joseph Lamelas
OBJECTIVE: Low ejection fraction (EF < 40%) portends adverse outcomes in patients undergoing valvular heart surgery. The role of traditional median sternotomy aortic valve replacement (SAVR) compared with minimally invasive aortic valve replacement (MIAVR) in this cohort remains incompletely understood. METHODS: A multi-institutional retrospective review of 1503 patients who underwent SAVR (n = 815) and MIAVR via right anterior thoracotomy (n = 688) from 2011 to 2014 was performed...
January 17, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28099081/controversies-in-the-treatment-of-ductal-carcinoma-in-situ
#11
Andrea V Barrio, Kimberly J Van Zee
Ductal carcinoma in situ (DCIS) accounts for 20% of all newly diagnosed breast cancers. Mastectomy was once the gold standard for the treatment of DCIS; however, breast-conserving surgery (BCS) has been adopted as the treatment of choice for patients with small, screen-detected lesions. Both adjuvant radiation and hormonal therapy following BCS have been demonstrated in randomized trials to reduce the risk of both invasive and DCIS recurrence, but neither affects survival. With the variety of surgical and adjuvant treatment options available, there has been great interest in tailoring the treatment to the individual, with the goal of optimizing the balance of risks and benefits according to the values and priorities of the woman herself...
January 14, 2017: Annual Review of Medicine
https://www.readbyqxmd.com/read/28099057/a-provisional-experience-with-robot-assisted-soave-procedure-for-older-children-with-hirschsprung-disease-back-to-the-future
#12
Girolamo Mattioli, Luca Pio, Lorenzo Leonelli, Barbara Razore, Nicola Disma, Giovanni Montobbio, Vincenzo Jasonni, Paolo Petralia, Alessio Pini Prato
Hirschsprung disease is a congenital disease characterized by intestinal aganglionosis of various extents. Most patients are younger than 1 year of age. Though, a minority of cases can be older or even adult. Older the patient the more difficult and prolonged is the endorectal dissection required for the pull-through procedure. Longer surgery leads to longer anal dilatation and trauma with subsequent higher likelihood of continence impairment. The article aims at describing the first case series of robot-assisted Soave procedure, which was adopted as an alternative minimally invasive approach to older patients with Hirschsprung disease...
January 18, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28098579/xen-gel-stent-internal-ostium-occlusion-ab-interno-revision
#13
Nuno Pinto Ferreira, Luis Abegão Pinto, Carlos Marques-Neves
Minimally invasive glaucoma surgery aims to provide a safer and less-invasive means of reducing IOP compared with traditional surgery, with the goal of reducing the need for topical medications. The XEN gel stent is an ab-interno minimally invasive glaucoma surgery device that approaches intraocular pressure reduction by creating a subconjunctival drainage pathway. As with any new device there is lack of experience and knowledge about its long-term results in terms of efficacy, technique, and complications...
January 16, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28098566/comprehensive-surgical-orthodontic-treatment-of-class-iii-malocclusion-in-cleft-patient-involving-minimally-invasive-surgery-case-report-and-literature-review
#14
Goran Stojkovic, Miodrag Stojkovic, Jasna Stojkovic, Dejan Nikolic, Zoran Stajcic
AIM: Surgical and orthodontic treatment of a teenage cleft patient. CASE REPORT: Authors describe the case of a 13 year old female cleft patient presented with class III malocclusion RESULT: The patient underwent comprehensive surgical secondary bone grafting and orthodontic treatment. Stable skeletal and occlusal class I relationship was achived and maintained in the post treatment observation period till the age of 16. DISCUSSION: Although several authors suggests primary gingivoperiosteoplasty, other advocates that such early intervention can cause later restrictions in maxillary growth...
December 19, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28098563/aortic-surgery-and-laparoscopy-still-a-future-in-the-endovascular-surgery-era
#15
Pierfrancesco Veroux, Vincenzo Ardita, Alessia Giaquinta, Alberto Davì, Giusi Basile, Massimiliano Veroux
: Laparoscopic surgery (LS) is the minimally invasive alternative to open surgery and endovascular approach for treating major aortic diseases. Only few reports in the literature describe the long-term outcomes of the laparoscopic approach for major vascular diseases. Furthermore, the widespread use of endovascular techniques has limited the use of LS to wellselected patients. This review evaluated the results of LS for aortic disease and compared the clinical outcomes of laparoscopic technique with those of open and endovascular surgery...
September 30, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28097430/how-i-do-it-the-mononostril-endonasal-transethmoidal-paraseptal-approach
#16
Robert Reisch, Hans Rudolf Briner, Anne-Katrin Hickmann
BACKGROUND: The use of endoscopes in transnasal surgery offers increased visualization. To minimize rhinological morbidity without restriction in manipulation, we introduced the mononostril transethmoidal-paraseptal approach. METHODS: The aim of the transethmoidal-paraseptal approach is to create sufficient space within the nasal cavity, without removal of nasal turbinates and septum. Therefore, as a first step, a partial ethmoidectomy is performed. The middle and superior turbinates are then lateralized into the ethmoidal space, allowing a wide sphenoidotomy with exposure of the central skull base...
January 18, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28097305/enhanced-recovery-after-surgery-a-review
#17
Olle Ljungqvist, Michael Scott, Kenneth C Fearon
Importance: Enhanced Recovery After Surgery (ERAS) is a paradigm shift in perioperative care, resulting in substantial improvements in clinical outcomes and cost savings. Observations: Enhanced Recovery After Surgery is a multimodal, multidisciplinary approach to the care of the surgical patient. Enhanced Recovery After Surgery process implementation involves a team consisting of surgeons, anesthetists, an ERAS coordinator (often a nurse or a physician assistant), and staff from units that care for the surgical patient...
January 11, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28097262/lessons-learned-over-a-decade-of-pediatric-robotic-ureteral-reimplantation
#18
REVIEW
Minki Baek, Chester J Koh
The da Vinci robotic system has improved surgeon dexterity, ergonomics, and visualization to allow for a minimally invasive option for complex reconstructive procedures in children. Over the past decade, robot-assisted laparoscopic ureteral reimplantation (RALUR) has become a viable minimally invasive surgical option for pediatric vesicoureteral reflux (VUR). However, higher-than-expected complication rates and suboptimal reflux resolution rates at some centers have also been reported. The heterogeneity of surgical outcomes may arise from the inherent and underestimated complexity of the RALUR procedure that may justify its reclassification as a complex reconstructive procedure and especially for robotic surgeons early in their learning curve...
January 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28097248/transpedicular-endoscopic-surgery-for-lumbar-spinal-synovial-cyst-report-of-two-cases
#19
Guntram Krzok, Albert E Telfeian, Ralf Wagner, Menno Iprenburg
BACKGROUND: Lumbar facet cysts are a benign, degenerative, and fairly uncommon cause for lumbar radiculopathy. The standard surgical treatment for lumbar facet cysts often requires a laminectomy and medial facetectomy which can further destabilize a pathological motion segment. The authors present here a novel technique for transpedicular endoscopic access to the pathology that obviates the need to violate the lamina or facet. METHODS: Two patient cases are described where the lumbar 4-5 facet cysts arise medial to the pedicle...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28096830/is-it-possible-to-standardize-the-treatment-of-primary-spontaneous-pneumothorax-part-2-surgical-methods-of-treatment
#20
Wojciech Rokicki, Marek Rokicki, Jacek Wojtacha, Marek Filipowski, Agata Dżejlili, Damian Czyżewski
The present report provides a detailed description of the surgical methods for primary spontaneous pneumothorax (PSP) treatment, from open surgery (thoracotomy) to minimally invasive procedures (video-assisted thoracoscopic surgery - VATS). It describes the methods of preventing pneumothorax recurrence, including partial or complete resection of the parietal pleura and chemical pleurodesis with VATS. The pros and cons of each method are presented. The paper also discusses new techniques for diagnosing pneumothorax, such as fluorescein-enhanced autofluorescence thoracoscopy (FEAT) and infrared thoracoscopy...
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
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