Academic literature on the topic 'Knee – Endoscopic surgery'

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Journal articles on the topic "Knee – Endoscopic surgery"

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Long, Zhongjie, and Kouki Nagamune. "Underwater 3D Imaging Using a Fiber-Based Endoscopic System for Arthroscopic Surgery." Journal of Advanced Computational Intelligence and Intelligent Informatics 20, no. 3 (May 19, 2016): 448–54. http://dx.doi.org/10.20965/jaciii.2016.p0448.

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Arthroscopic surgery is a minimally invasive surgical procedure that is widely used on joints. However, conventional endoscope-based arthroscopic surgery does not provide stereoscopic information to the surgeon. To overcome this limitation, we have developed a modified endoscopic system that uses an optical fiber (1 mm diameter) for three-dimensional imaging of knee joints. Our endoscopic system is able to operate underwater in real time. It consists of a laser beam that is projected on the surface of the object to be imaged via an optical fiber. A prism is used to decrease the length and diameter of baseline and endoscope tube, respectively. The small diameter (8 mm) of our endoscope makes it extremely convenient for application in arthroscopic surgery. The feasibility of the proposed system has been demonstrated via experiments on synthetic knee joints.
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Lin, S.-D., T.-M. Lin, S.-S. Lee, Y.-L. Yang, I.-F. Sun, and C.-S. Lai. "Endoscope-assisted management of primary varicose veins below the knee." Phlebology: The Journal of Venous Disease 20, no. 4 (December 1, 2005): 163–69. http://dx.doi.org/10.1258/026835505774964892.

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Objective: Primary varicose veins below the knee were managed with the assistance of endoscopic surgery in 240 limbs (235 cases). Methods: Patients were classified into five clinico-anatomic types according to associated normal veins involved in the varicosities. All procedures were limited to below the knee. With the superior illumination and magnified monitor view offered by the endoscope, all the varicosities and the incompetent perforating veins were dissected, clipped, divided and removed through one or more access incisions (2.5–3.0 cm in length). However, the normal veins were preserved, including the long saphenous vein. Results: The mean number of incisions in each limb of all patients was 1.86. As there were no residual varicosities or incompetent perforating veins, there was little possibility of recurrence. In the follow-up of 218 limbs, recurrence occurred in only two limbs. Conclusion: Endoscope-assisted surgery is a good alternative for management of primary varicose veins below the knee, resulting in low recurrence and aesthetically acceptable surgical scarring.
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Li, Chiu Yang, Shiau Ting Lai, Tarng Jenn Yu, and Jih Shiuan Wang. "Minimally Invasive Vein Harvest for Coronary Artery Bypass Surgery." Asian Cardiovascular and Thoracic Annals 6, no. 2 (June 1998): 85–87. http://dx.doi.org/10.1177/021849239800600202.

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Between October 1996 and August 1997, 56 endoscopic vein harvests were performed with video monitoring. Incisions of 2 to 3 cm in length were made at the groin and above or below the knee. The harvested veins were used for coronary artery bypass grafting. The complication rate was 1.8%. The average hospital stay for patients undergoing the endoscopic procedure was 7.2 days. All incisions had healed well at the 12-week follow-up. Endoscopic saphenous vein harvest provides a minimally invasive alternative to the open procedure. It gives a good cosmetic result, promotes early ambulation, and may reduce postoperative pain.
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Long, Zhongjie, Kouki Nagamune, Ryosuke Kuroda, and Masahiro Kurosaka. "Real-Time 3D Visualization and Navigation Using Fiber-Based Endoscopic System for Arthroscopic Surgery." Journal of Advanced Computational Intelligence and Intelligent Informatics 20, no. 5 (September 20, 2016): 735–42. http://dx.doi.org/10.20965/jaciii.2016.p0735.

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Three-dimensional (3D) navigation using a computer-assisted technique is being increasingly performed in minimally invasive surgical procedures because it can provide stereoscopic information regarding the operating field to the surgeon. In this paper, the development of a real-time arthroscopic system utilizing an endoscopic camera and optical fiber to navigate a normal vector for a reconstructed knee joint surface is described. A specific navigation approach suitable for use in a rendered surface was presented in extenso. A small-sized endoscopic tube was utilized arthroscopically on a cadaveric knee joint to show the potential application of the developed system. Experimental results of underwater navigation on a synthetic knee joint showed that our system allows for a higher accuracy than a freehand technique. The mean angle of navigation for the proposed technique is 9.5circ (range, 5circ to 17circ; SD, 2.86circ) versus 14.8circ (range, 6circ to 26circ; SD, 7.53circ) and 12.6circ (range, 4circ to 17circ; SD, 3.98circ) for two sites using a freehand technique.
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Giuliano Heinen, Christian Peter, Thomas Schmidt, and Thomas Kretschmer. "Endoscopically Assisted Piriformis-to-Knee Surgery of Sciatic, Peroneal, and Tibial Nerves." Operative Neurosurgery 11, no. 1 (January 19, 2015): 37–42. http://dx.doi.org/10.1227/neu.0000000000000621.

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Abstract BACKGROUND Proximal lesions of the sciatic nerve are often difficult to diagnose and to treat properly. In particular, if there are posttraumatic or postoperative alterations, imaging might not identify the level and location of lesion. Due to the sciatic nerve anatomy, the same is true for clinical and electrophysiological evaluation with a risk of delayed surgery and, thus, unsuccessful surgery. Therefore, in some unclear cases, surgical exploration of the whole sciatic nerve and its divisions could be the only means to determine the correct diagnosis and allow prompt treatment to produce the best clinical outcome. OBJECTIVE To describe a novel minimally invasive technique to explore and treat patients with proximal sciatic, peroneal, and tibial nerve lesions. Intraoperative findings, surgical considerations, and complications are presented. METHODS From January 2012 to November 2013, 9 consecutive patients with lesions of the sciatic, peroneal, and tibial nerves underwent endoscopy and were treated. The technical considerations of these cases are presented with regard to the retrospectively collected clinical and surgical data to evaluate the pros and cons of the technique. RESULTS A subgluteal incision, as the primary endoscopic port, was used in all 9 patients. An additional mid-thigh and fibular head incision was thought necessary in 3 patients. An extension of the approach by a secondary transgluteal incision was performed in 4 patients. In 2 of these sciatic lesions, autologous nerve grafts were placed. One perineurioma was detected and bioptically secured. There were no complications. Six patients experienced pain relief; in 6, we observed motor improvement. The mean follow-up was 9.5 months. CONCLUSION The endoscopically assisted single- to multiportal sciatic exploration technique provides excellent visualization that enables nerve inspection, lesion detection, and decompression, and obviates the need for more extensive approaches in cases of unclear sciatic nerve pathology. By adding several ports, whole-length exploration of the sciatic from the notch to fibular head level is feasible.
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van’t Hullenaar, Cas D. P., Ben Hermans, and Ivo A. M. J. Broeders. "Ergonomic assessment of the da Vinci console in robot-assisted surgery." Innovative Surgical Sciences 2, no. 2 (April 12, 2017): 97–104. http://dx.doi.org/10.1515/iss-2017-0007.

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AbstractBackground:Robot-assisted surgery is considered to improve ergonomics over standard endoscopic surgery. Nevertheless, previous research demonstrated ergonomic deficits in the current console set-up.Aim:This study was designed to objectively assess body posture in the da Vinci console during robot-assisted endoscopic surgery.Methods:Multiple sagittal photographs from six physicians were taken during robot-assisted procedures. Trunk, neck, shoulder, elbow, hip, and knee angles were calculated and compared to ergonomic preferable joint angles. A 2D geometric model was developed using individual anthropometrics. Optimal seat height, armrest height, and viewer height were calculated. These results were compared to the findings of the sagittal photographs.Results:Mean joint angles show potentially harmful neck angles for all participants. Trunk angles vary between surgeons, from inadequate to correct. In short and very tall individuals, optimal armrest height is outside the adjustment range of the console.Conclusion:The da Vinci Surgical System console seating position results in a nonergonomic neck and trunk angle. The developed geometric model revealed that armrest height has a limited adjustment range. Adjustments to the console and optimization of preoperative settings are goals to further improve ergonomics in robot-assisted surgery.
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Ochi, Hironori, Katsuaki Taira, Naho Nemoto, Noboru Oikawa, Soya Nagao, Tadamasa Takano, and Kazuo Kaneko. "Endoscopic Surgery under Fluoroscopic Guidance Is Useful for Diagnosing and Treating Epiphyseal Osteomyelitis Caused by Mycobacterium Species." Case Reports in Orthopedics 2018 (June 13, 2018): 1–6. http://dx.doi.org/10.1155/2018/8136150.

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Osteomyelitis caused by Mycobacterium species may be difficult to diagnose and treat. We report a case of treatment for osteomyelitis caused by Mycobacterium species in the epiphysis of the right proximal tibia. A 28-month-old boy presented to a hospital with symptoms of fever and right knee pain. He had been vaccinated with Mycobacterium bovis Bacille Calmette-Guérin (BCG) at five months of age. The epiphyseal radiolucent lesion had increased in size and extended to the metaphysis through the physis on a plain radiograph of the right proximal tibia. Surgical drainage and curettage of the lesion were performed with an endoscope under C-arm fluoroscopy. The intraoperative histopathological examination revealed granulation tissue composed of caseous necrosis and Langerhans giant cells, revealing Mycobacterium species to be the causative pathogen. Because of suspected osteomyelitis caused by BCG, the antituberculosis drugs were administered orally from an early postoperative stage. A plain radiograph taken eight months postoperatively showed bone regeneration in the area of curettage and a slight physeal bridge, in addition to normalization of the inflammatory response on blood sampling. It was possible to perform accurate diagnosis and rapid treatment for epiphyseal osteomyelitis caused by Mycobacterium species using endoscopic surgery under fluoroscopic guidance.
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Shulepov, D. A., M. R. Salihov, and O. V. Zlobin. "Mid-term results of multi-ligament posterior and anterior cruciate ligament reconstruction using a modified method of bone tunnels drilling." N.N. Priorov Journal of Traumatology and Orthopedics 26, no. 4 (December 15, 2019): 12–21. http://dx.doi.org/10.17116/vto201904112.

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The problem of diagnosis and treatment of chronic anterior-posterior instability of the knee joint in multi-ligamentous injuries remains relevant, both medically and socially. Conservative treatment of patients with this pathology is ineffective due to severe instability and gross violation of the biomechanics of the knee joint. Currently, there is no consensus on the tactics of surgical treatment of this disease, and on the method of plastic replacement of the lost ligamentous apparatus. Objective. To evaluate the clinical results of the modified technique of arthroscopic plastic surgery of both cruciate ligaments of the knee joint. Patients and methods. Based on previous anatomical studies, the authors formulated the basic principles of safe formation of bone tunnels in simultaneous arthroscopic plastic surgery of the anterior (PKS) and posterior (ZKS) cruciate ligaments. An original method of surgery aimed at minimizing the risk of injury to the popliteal artery during the formation of the tibial bone tunnel is proposed. In the period from 2010 to 2017, the Department of endoscopic surgery treated 20 patients with damage to the SCS and SCS using this technique. The results were evaluated 6 and 12 months after surgery. Clinical examination, IKDC and Lisholm-Gillqist questionnaires and the visual analog pain assessment scale (VAS) were used to evaluate clinical results. Results. The average score on the IKDC questionnaire was 34.16±13.31 points before surgery, and 34.89±18.37 points on the lisholm - Gillqist questionnaire. 6 months after surgery - 58.75±6.38 and 69.78±14.10 points according to IKDC and Lisholm-Gillqist, respectively, which is statistically significant (p
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Williams, Christopher B., and John M. Geraghty. "The Malignant Polyp - When to Operate: The St. Mark’s Experience." Canadian Journal of Gastroenterology 4, no. 9 (1990): 549–53. http://dx.doi.org/10.1155/1990/627894.

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The world literature on malignant polyps suggests that those removed endoscopically with recognized favorable histological features for conservative management have excellent prognoses without surgery. Many sessile or 'uncertainly removed' malignant polyps after endoscopic polypectomy also show no evidence of residual cancer, suggesting that referral for surgical resection is not invariably in the best interests of elderly or poor surgical risk patients. St Mark's experience of five year follow-up of 62 patients with malignant polyps judged 'completely excised' showed three cancer-related deaths (of uncertain primary) in 78- to 81-year-old patients. Of 18 patients with malignant polyps 'incompletely excised,' seven had no cancer found at surgery, 10 were well without surgery and one died from carcinomatosis following delayed surgery. These generally encouraging results are further evidence that 'knee jerk surgery' for malignant polyps is inappropriate.
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Varlamov, A. G., R. K. Dzhordzhikiya, and A. R. Sadykov. "Remote patency of aortocoronary bypass grafts after endoscopic and conventional great saphenous vein harvesting." Kazan medical journal 97, no. 4 (August 15, 2016): 486–92. http://dx.doi.org/10.17750/kmj2015-486.

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Aim. To compare patency of aortocoronary bypass grafts in remote period after endoscopic and conventional (open) great saphenous vein harvesting. To analyze the patency of aortocoronary bypass grafts after endoscopic vein harvesting from calf and thigh.Methods. The study involved 170 patients who underwent elective isolated coronary artery bypass grafting. Treatment results were evaluated in two prospectively formed groups: endoscopic (85 patients) and open (85 people) vein harvesting. Endoscopic vein harvesting was performed both from the calf and from the thigh through popliteal access using endoscopic system Vasoview 6.0. Patency of autovenous aortocoronary grafts was studied in 2.6±1.17 years after surgery using 64-slice contrast-enhanced MDCT or traditional angiography. Angiographic follow-up covered 76 patients with endoscopic vein harvesting and 79 patients with open vein harvesting.Results. The studied groups did not differ in the frequency of detection of occluded, stenotic and fully patent autovenous aortocoronary bypass grafts (p=0.841). In endoscopic vein harvesting group frequency of autovenous aortocoronary bypass grafts occlusion was 25.7%, in the group of open vein harvesting - 25.1% (p=0.984). There was no difference in the patency of internal thoracic artery grafts to the left anterior descending artery (p=0.227), and freedom from adverse cardiac events (p=0.342). Occlusion of autovenous grafts after endoscopic harvesting from the calf developed less frequently than after endoscopic harvesting from the thigh (15.1 vs. 34.6%; p=0.013). Grafts after endoscopic harvesting in the knee region occluded most often (41.9%). Patency of aortocoronary bypass grafts after open vein harvesting was not dependent on the area of the vein harvesting (p=0.900).Conclusion. Endoscopic vein harvesting does not compromise the patency of aortocoronary bypass graft and does not increase the risk of its occlusion; endoscopic harvesting of the veins from the calf improves indicators of aortocoronary grafts patency and reduces the risk of graft failure (odds ratio 0.3; 95% confidence interval 0.14-0.8; p = 0.013).
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Dissertations / Theses on the topic "Knee – Endoscopic surgery"

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Sturnieks, Daina Louise. "Variations in gait patterns and recovery of function following arthroscopic partial meniscectomy." University of Western Australia. School of Human Movement and Exercise Science, 2004. http://theses.library.uwa.edu.au/adt-WU2004.0034.

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[Truncated abstract] Previous research has found that full recovery of knee function following arthroscopic partial meniscectomy (APM) is often not achieved, and in the long-term, over 50% of these patients will develop knee osteoarthritis (OA). Mechanical factors are believed to contribute largely to the development of knee OA. High frequency loading has been shown to lead to degenerative joint changes in animal models. In human gait, the knee adduction moment during stance phase, which tends to load the medial articular surface of the tibiofemoral joint, has been associated with the presence, severity and progression of knee OA. Quadriceps weakness, which is common in people with knee pathology, has been associated with abnormal sagittal plane knee moments during gait, yet no studies have investigated the effect of knee strength on frontal plane kinetics. This work aimed to investigate gait mechanics in a post-APM population, determine the influence of neuromuscular factors on gait, and assess recovery of function over 12 months while examining factors associated with recovery. One hundred and six APM subjects were examined between one and three months postsurgery. Data were compared to an age-matched control group of 49 healthy adults. Subjects were aged 20 to 50 years and had been screened for: clinical and radiographic evidence of knee OA; previous or current knee joint disease or injury (other than the current meniscus pathology); or any other previous or existing disease or injury that may have an effect on gait, or predispose to joint disease. Three-dimensional gait analysis was performed at a freely-chosen walking velocity, using a 50 Hz VICON three-dimensional motion analysis system, instrumented with two force platforms and 10-channel electromyography system. Subjects also underwent knee strength testing on a Biodex isokinetic dynamometer. Information was collected regarding subject’s physical activity levels, general health and knee function, as well as patient’s surgery specifics and rehabilitation regime.
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Books on the topic "Knee – Endoscopic surgery"

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J, Dandy David, ed. Arthroscopic management of the knee. 2nd ed. Edinburgh: Churchill Livingstone, 1987.

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V, Bono James, McKeon Brian P, and SpringerLink (Online service), eds. Knee Arthroscopy. New York, NY: Springer-Verlag New York, 2009.

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Arthroscopic surgery of the knee. Stuttgart: Thieme, 1988.

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Löhnert, Johannes. Arthroscopic surgery of the knee. Stuttgart: Thieme, 1988.

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Schonholtz, George J. An atlas of arthroscopic surgery of the knee. Springfield, Ill., U.S.A: C.C. Thomas, 1988.

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1933-, Johnson Lanny L., ed. Arthroscopic surgery: Principles & practice. 3rd ed. St. Louis: Mosby, 1986.

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Arthroscopy of the knee joint: Diagnosis and operative techniques. 2nd ed. Berlin: Springer-Verlag, 1988.

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Serge, Parisien J., and Burman Michael S. 1901-, eds. Arthroscopic surgery. New York, NY: McGraw-Hill, 1988.

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Richmond, John C., James V. Bono, and Brian McKeon. Knee Arthroscopy. Springer, 2011.

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1930-, McGinty John B., ed. Arthroscopic surgery update. Rockville, Md: Aspen Systems Corp., 1985.

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Book chapters on the topic "Knee – Endoscopic surgery"

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Wong, Kwok Chuen, Hiu Woo Lau, Wang Kei Chiu, and Shekhar Madhukar Kumta. "Bone Endoscopy Around the Knee: Navigation Endoscopic Assisted Tumor (NEAT) Surgery for Benign Bone Tumors Around the Knee." In Endoscopy of the Hip and Knee, 239–57. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3488-8_13.

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