but if we could safely induce paralysis just prior to surgery, it's possible that patients could develop tolerance,
#New aortic heart valve does not require open surgery A new aortic heart valve does not require open heart surgery.
The system is much less invasive than open surgery. The device is called the Corevalve Evolut R System.
The system is much less invasive than open surgery. The newly designed system enables the physician to recapture
and design of the device, is a clinical associate professor in the Department of Thoracic and Cardiovascular Surgery.
Loyola dedicated implanting team includes two cardiovascular surgeons (Drs. Tuchek and Mamdouh Bakhos, MD) and two interventional cardiologists (Drs.
The improved device now is approved FDA for patients judged to be at high or extremely high risk for conventional open-heart aortic valve surgery (with an estimated 30-day mortality rate of at least 15 percent.
The trial is called SURTAVI (SURGICAL vs. Transcatheter Aortic valve Implantation. SURTAVI is being conducted in 76 sites in eight countries for patients who do not qualify for the transcatheter valves commercially.
Dr. Bakhos is chair of the Department of Thoracic and Cardiovascular Surgery. For more information,
People are living longer and likely getting more brain surgeries. There could be undiagnosed neurodegenerative diseases that
In addition to the robotic device, the man was aided by a novel noninvasive spinal stimulation technique that does not require surgery.
That earlier achievement is believed to be the first time people who are paralyzed completely have been able to relearn voluntary leg movements without surgery.
and quality of life,"said V. Reggie Edgerton, senior author of the research and a UCLA distinguished professor of integrative biology and physiology, neurobiology and neurosurgery.
and a shorter duration of symptoms compared with children who did not receive halothane during surgeries.
or other characteristics,"said the study's senior author Jen Jen Yeh, MD, a UNC Lineberger member and an associate professor and the vice chair for research in the UNC School of medicine Department of Surgery."
Forty-four percent of patients with the basal-like subtype lived one year after surgery,
which is given therapy prior to surgery, as opposed to just trying to remove the tumor with surgery at the outset,
"said Yeh, who, in addition to her role in the Department of Surgery, also has an appointment in the UNC School of medicine Pharmacology Department."
"In addition, the basal-like subtype is very similar to basal breast and bladder cancers, which respond to therapies differently than other tumor subtypes,
and cause pneumonia and infections in the bloodstream and in surgical wounds, according to the CDC.
"Before you go into the hospital for surgery, many hospitals will do a nasal swab, and if you have staph,
they will treat you before surgery because it could be transferred into your body and cause serious infection,
"EVLP opens up new possibilities in one of the most problematic areas of surgery.""Patricia Moore, 63, from Oswestry was diagnosed with idiopathic pulmonary fibrosis in 2011 and received a transplant in 2014.
They observed whether such mice were resistant to muscle wasting induced by a high level of cortisol--a stress hormone released in your body any time you have a stressful situation such as an illness or a surgery.
"In cancer, cachexia also increases your risk of developing toxicity from chemotherapy and other oncological treatments, such as surgery and radiotherapy.
including brain tissue from surgical steel. Cleaning instruments between patients is critical to avoid transmission of agents leading to conditions such as Creutzfeldt-jakob disease.
Antibiotics are used currently during surgery or to coat certain implants. However, the emergence of multi-resistant bacteria now restricts their effectiveness.
The device is particularly beneficial to patients who are of high surgical risk or are unsuitable for existing clinical interventions.
and Dr Jimmy Hon from the Department of Surgery at the NUS Yong Loo Lin School of medicine, this novel invention addresses a clinical gap in the current treatment of mitral valve regurgitation.
This research project is supported by the Medical Engineering Research & Commercialization Initiative (MERCI) under the Department of Surgery of the NUS Yong Loo Lin School of medicine.
therefore be a viable option for patients who are not suitable for surgeries or the standard treatment.
This transcatheter valve offers palliative treatment for the patients who were denied surgery, especially those with multiple co-morbidities."
"Dr Hon is also a Senior Consultant at the Department of Cardiac, Thoracic and Vascular Surgery, National University Heart Centre, Singapore.
The study, published in the journal European Urology Focus, was conducted in collaboration with Dr Rosa M. Rabanal of the Murine and Comparative Pathology Unit, Department of Animal Medicine and Surgery, UAB,
something that greatly complicates the work of neurosurgeons. On the other hand, the brain is the seat of natural vibrations created by the blood pulsating in the arteries and the circulating cerebrospinal fluid.
Their findings, published in Neurosurgery, lend hope to patients around the world with neurological conditions that are difficult to treat due to a barrier mechanism that prevents approximately 98 percent of drugs from reaching the brain and central nervous system."
"Nasal mucosal grafting is a technique regularly used in the ENT field to reconstruct the barrier around the brain after surgery to the skull base.
ENT surgeons commonly use endoscopic approaches to remove brain tumors through the nose by making a window through the blood-brain barrier to access the brain.
surgeons may create a"screen door"to allow for drug delivery to the brain and central nervous system. The technique has the potential to benefit a large population of patients with neurodegenerative disorders,
and a former NFL athlete crippled by end-stage heart failure were treated all successfully with a surgical approach pioneered by cardiac experts at University of California, San diego School of medicine.
The work, recently published in The Annals of Thoracic Surgery, demonstrated significant benefits of implanting a left ventricular assist device (LVAD) in the right atrium to provide better blood flow through the lungs,
MBCHB, lead author of the report and surgical director of cardiac transplant and mechanical circulatory support at UC San diego Health."
"Another of our goals is to use calcium phosphate fibers and biocompatible plastics to design surgical implants."
Over three years, researchers at the University of Cambridge took surgical tumour samples (biopsies) and blood samples from a patient with breast cancer that had already spread to other parts of her body.
"For now, surgical biopsies still play an important role in diagnosing and monitoring cancers. But this work gives us a window into the future,
and surgical centers as a way to immediately detect and characterize cancer or other diseases."
Heparin is used widely as an anticoagulant in cardiovascular surgery as well as in postoperative and long-term therapy.
invasive surgery and wired brain implants are not an ideal solution. And limited to pressure,
#New Incisionless Surgery to Treat Enlarged Prostate By age 60, more than 50 percent of men in the United states suffer from benign prostatic hyperplasia (BPH), a condition that leads to annoying changes
said Hsieh. his is an excellent alternative to traditional surgeries that require removal of prostate tissue,
UC San diego Health System showcased this new procedure in a live-surgery during the 8th annual UC San diego School of medicine urology postgraduate course.
The finding is also significant as currently there is no drug available to prevent the recurrence of tumours in the intestine after the cancerous tumours have been removed by surgery.
where the affected section of the intestine is removed through surgery. The scientists said these findings also suggest that short term intermittent chemotherapies could be possible as a treatment model,
partly because patients with late-stage lung cancer rarely undergo surgery, leaving scientists with few drug-resistant tumors to use in research.
including surgery and chemotherapy.)Forty-three percent of device wearers survived two years; only 29 percent of those who didn wear the device lived that long.
Complications from this disease can lead to emergency cesarean sections early in pregnancies to save the lives of the infants and mothers.
2015 online issue of Cell Reports, the researchers, under the direction of senior investigator Gabriele Bergers, Phd, UCSF professor of neurological surgery,
Head of Oral and Maxillofacial Surgery at the Faculty of dentistry, Lam research initially focused on cancers of the head and neck,
In his study, Lam, who is appointed jointly as a Consultant Surgeon at the Princess Margaret Cancer Centre
Shapiro, Canada Research Chair in Transplantation Surgery and Regenerative medicine in the University of Alberta Faculty of medicine & Dentistry,
Professor Thomas said the project progressed from animal studies to human investigations through collaborations with the Prince Charles Hospital in Brisbane. sing heart tissue from humans undergoing heart surgery
As the spool pulls, the CNT ribbon is dragged between two surgical blades. While the blades appear straight to the naked eye
Surgery, associated with cardiovascular diseases, such as ischemia, often require the implantation of vascular grafts artificial blood vessels,
which results in compulsory and lifelong intake of anticoagulants among patients and sometimes may even require an additional surgical intervention.
The same approach may be used for kidney or liver surgery but these are plans for the future,
. assistant professor of Orthopaedic Surgery and Rehabilitation. n certain instances it may help, but wee shown for sure that you don need it.
and orthopaedic surgery. t was unexpected totally that fibrin clearance is essential to prevent heterotopic ossification,
and plates used in orthopaedic surgeries, so that those devices don disrupt the ability of blood vessels to grow
Harvard Medical school associate professor of neurosurgery at Boston Children Hospital and senior author of the paper. he 3-D printed models allowed us to rehearse the cases beforehand
who co-directs the Cerebrovascular Surgery and Interventions Center at Boston Children. ou can physically hold the 3-D models,
and get tactile feedback. s described in the Journal of Neurosurgery: Pediatrics, the models were based on the children actual brain scans.
I practiced those steps ahead of time. he surgery went off without complications, and last month Adam had a clean one-year follow-up angiogram.
Darren Orbach, HMS associate professor of radiology and co-director of the Cerebrovascular Surgery and Interventions Center at Boston Children, treated a 2-month-old infant who had a rare vein of Galen malformation in
surgeon and operating roomhose with 3-D models had their surgical time reduced by 30 minutes,
as a collaboration with orthopedic surgeon Dr. Alex Mclaren and his team member and bioengineer Dr. Ryan Mclemore of Banner Good samaritan Medical center, Phoenix,
UV-light enabled catheter fixes holes in the heart without invasive surgery Researchers from Boston Children Hospital, the Wyss Institute for Biologically Inspired Engineering at Harvard university,
As the team reports in Science Translational Medicine, the catheter has been used successfully in animal studies to facilitate hole closure without the need for open heart surgery.
Chief of Cardiac Surgery at Boston Children and contributing author on the study, says the device represents a radical change in the way these kinds of cardiac defects are repaired. n addition to avoiding open heart surgery,
because wee just gluing something to it. atheterizations are preferable to open heart surgery because they don require stopping the heart,
however, the Boston Children/Wyss/SEAS/Brigham and Women research team sought a way to deliver the patch without open heart surgery.
#New microscopy technology augments surgeon view for greater accuracy Researchers at the University of Arizona (UA) have developed a prototype of a new microscope technology that could help surgeons work with a greater degree
and Surgery was published today in the Journal of Biomedical Optics, published by SPIE, the international society for optics and photonics.
Surgical microscopes are specialized highly stereomicroscopes installed on articulated mounts and provide a long working distance and functional enhancements,
and are used widely in certain delicate operations, notably neurosurgery. Within the last decade, surgical microscopes have been combined with near-infrared (NIR) fluorescence imaging, in
which contrast agents are injected into tissue and their fluorescence detected in NIR scans. The scans may reveal patterns of blood flow,
For example, some microscopes used in complex vascular surgeries switch between two different views: the fully optical bright-field (real) view and the computer-processed projection of NIR fluorescence.
and on its own lacks the spatial cues that would help the surgeon identify anatomical points of reference.
So the surgeon must visualize how the fluorescence in the NIR image lines up with the respective anatomical structures shown in the bright-field view.
Real-time overlay of bright-field and near-infrared fluorescence imagesdescribes their prototype of an augmented stereomicroscope that presents a simultaneous view of real objects in the surgical field and computer-processed images
By displaying information through the surgical scope itself, the surgeon then sees the information with his or her own eyes.
Pogue said he sees the work being important in advancing the translation of research into clinical practice. here are very few papers on this idea of augmenting the surgical field of view that the surgeon sees,
yet this is a high-interest topic, he said. his article presents a very practical idea and innovative implementation
It also retains the imaging environment familiar to surgeons, including key features of surgical microscopes such as real-time magnification and focus adjustments, camera mounting,
and multiuser access. One possible application for this augmented microscope is laser surgery. In the past, surgeons could not see the laser beam through the standard stereomicroscope, nor anatomical details in the NIR images.
The researchers also suggest that this technology will be useful in the surgical treatment of brain tumors.
Surgeons aggressively removing a tumor run the risk of damaging normal brain tissue and impairing the patient brain functions;
on the other hand, incomplete removal of a tumor results in immediate relapse in 90%of patients. Being able to simultaneously see the surgical field
and the contrast agent identifying cancerous tissue within the augmented microscope may allow surgeons to remove these challenging tumors more accurately
#Medical diagnosis: Will brain palpation soon be possible? If there is one technique used by the physician to explore the human body during every medical examination
something that greatly complicates the work of neurosurgeons. On the other hand, the brain is the seat of natural vibrations created by the blood pulsating in the arteries and the circulating cerebrospinal fluid.
said David H. Sachs, director of the TBRC Laboratories at Massachusetts General Hospital, the Paul S. Russell Professor of Surgery Emeritus at HMS and professor of surgical sciences at Columbia
The hydrogel may be most useful for surgeries particularly for patients who take anticoagulant drugs to thin their blood. t interesting that you can take something so deadly
This is important because surgical bleeding in patients taking heparin can be a serious problem. The use of batroxobin allows us to get around this problem
What we did was combine it with the hydrogel wee been working on for a long time. e think SB50 has great potential to stop surgical bleeding, particularly in difficult cases in
surgery and radiotherapy often fail to remove aggressive tumour cells and the brain tumour can grow back. his research shows that we can improve imaging of brain tumours,
which could help both surgeons and radiotherapists with more effective treatment. Professor Charlie Swanton, NCRI chair and Cancer Research UK scientist at the Francis Crick Institute, said:
Being able to delineate the edges of brain tumours is an exciting step towards better surgery and radiotherapy for patients.
a Swiss transplant surgeon in Geneva. He said he would transplant a genetically engineered pig organ into a patient today,
complete with a surgical theater and a helipad so organs can be whisked where they are needed.
leading transplant surgeons have been meeting with Revivicor ever few months to plan what genes they like to see added next.
or 100 iterations. et surgeons credit the genetically enhanced pigs with some recent successes. Muhammad Mohiuddin,
a transplant surgeon and researcher at the National Heart, Lung, and Blood Institute, in Bethesda, Maryland, says a heart from one of Revivicor pigs lasted two and a half years inside a baboon.
That is because surgeons still need to completely replace a baboon heart with one from these pigs
but lungs are very difficult. ransplant surgeons say one of the largest obstacles they face is the immense cost of carrying out xenotransplant experiments.
A single transplant surgery costs $100, 000 and involves eight people. Then there the cost of keeping the primates, the red tape of animal regulations,
#Transplant Surgeons Revive Hearts After Death Transplant surgeons have started using a device that allows them to eanimatehearts from people who have died recently,
In at least 15 cases, surgeons in the United kingdom and Australia say they have used the system to successfully transplant hearts removed from patients after theye died.
surgeons at St vincent Hospital in New south wales described three cases in which they waited as little as two minutes after a person heart stopped before they began removing it.
Without such help, surgeons consider hearts from dead donors too damaged to use. he device is vital.
says Stephen Large, a surgeon at Papworth Hospital in the United kingdom, which has used the system as part of eight heart transplants.
Transplant surgeons recognize two major categories of death. People can be brain dead, or they die
a transplant surgeon at the Massachusetts General Hospital. arm is the way to go with metabolically active tissue.
But surgeons found that hearts that stop naturally often didn start again, or can pump blood,
says Large, the Papworth surgeon. The crisis is particularly severe in the U k, . where handguns and some other firearms are prohibited,
the ethical dilemma is how long surgeons should wait before swooping in to retrieve organs. In the U s.,the accepted standard is five minutes,
although Colorado surgeons in 2008 took hearts from brain-damaged newborns after waiting only 75 seconds.
says that nine months ago surgeons implanted two bunches of silicon electrodes, called Utah arrays, into the volunteer motor cortex.
whereas stimulation with ultrasound will require no such surgery. his is said noninvasive, Chalasani. t the first demonstration of this genetic enhancement of ultrasound neurostimulation,
such as cardiac surgeryhe says. thin-whiskered catheter tip could be used during surgery to track the relative position inside the heart,
Surgery Training Centre, both at the Chinese University of Hong kong, attempting to mimic the movement of the larval amphibians to design a capsule endoscope with a controllable swimming action that doctors can steer around inside the stomach to provide a guided tour,
a development with applications ranging from surgical scopes to security cameras to capture a broader perspective at a fraction of the size required by conventional lenses.
but some hospital administrators have come to view them as the first must-have robot tech in a health care industry that's bracing for big changes with the imminent arrival of robot cleaners, diagnosticians, surgeons, and nurses."
Achim Weber from Zurich University Hospital and Dr. Monika Wolf Institute of Surgical Pathology University Hospital Zurich.
just as effective as invasive neck surgery for long-term prevention of fatal and disabling strokes reports an international trial led by UCL (University college London) funded by the Medical Research Council and Stroke Association.
or local anaesthetic and surgeons cut open the affected artery to remove the build up and then sew the wound up.
Carotid endarterectomy is a common yet invasive surgery used to treat carotid artery stenosis and is used widely throughout the UK.
which is used widely in medicine for applications such as liquid ventilation for infants with breathing challenges blood substitution eye surgery and more.
When the engineers sought collaborators to test the device in potentially useful applications H.-S. Philip Wong a professor of electrical engineering connected them with Victor Tse a neurosurgeon and consulting associate professor at Stanford School of medicine.
His son was moved to an academic medical center where he had surgery and was put on four newer antibiotics.
and development in part because they underpin every part of modern medical practice from surgery to cancer treatment and pretty much everything in between.
The researchers were alerted to the connection by a patient who had surgery at another hospital to have a metal rod implanted to repair a fractured ankle.
After the surgery the patient developed a skin rash on her ankle near the location of the implant.
which led surgeons at the other hospital to remove it. But the rash persisted and a few years later a rare form of skin cancer known as Marjolin's ulcer developed at the surgical site.
The cancer which had become painful and ulcerated was diagnosed and removed by physicians at Barnes-Jewish Hospital.
and further research on whether physicians should test for metal sensitivity in patients preparing for surgery to get these types of implants.
And Jose Oberholtzer, M d.,Associate professor of Surgery, Endocrinology and Diabetes, and Bioengineering at the University of Illinois at Chicago,
and director of the JP Sulzberger Columbia Genome Center, at Columbia's College of Physicians and Surgeons.
#Minimally invasive surgery with hydraulic assistance Endoscopic surgery requires great manual dexterity on the part of the operating surgeon.
Minimally invasive techniques, also known as"keyhole surgery,"enable surgeons to operate on patients without requiring major incisions.
allowing the internal organs to be visualized for surgery. Surgical techniques have advanced by leaps and bounds in recent years.
The same cannot be said for surgical instruments. In certain types of endoscope, the tip can be oriented at different angles."
and even physical strength on the part of the surgeon, has changed barely since the earliest days of endoscopy,"says Timo Cuntz, a member of the Project Group for Automation in Medicine and Biotechnology PAMB in Mannheim, a part of the Fraunhofer Institute for Manufacturing Engineering and Automation IPA.
The cable mechanism transmits the surgeon's hand movements at one end to the tiny instruments at the other extremity of the endoscope.
making it difficult for the surgeon to manipulate the tissue precisely.""The surgeon's work would be made much easier
if it were possible to reduce the friction and increase the power density. Hydraulic instruments are one of the alternatives being considered as a substitute for mechanical transmission based on Bowden cable."
They allow the surgeon to carry out much finer movements, "says the engineer. A plastic tube filled with a sterile,
the surgeon manipulates a hydraulic cylinder or robotic muscle that exerts the required pressure to compress the fluid and push it through the hydraulic tube onto a second, spring-mounted cylinder.
Such hydraulically actuated instruments are suited ideally for use in connection with a technique known as natural orifice transluminal endoscopic surgery (NOTES),
in which the surgeon operates through natural body orifices in order to access internal organs; going through the stomach, for instance,
but also how to distinguish those who would benefit from surgical or other aggressive treatment from those who would not.
An accomplished sinus surgeon, Das is working with his nurses and staff to engineer and test hundreds of nasal swab collection devices to make sure that they are simple
Surgeons Michael W Keith, MD and J. Robert Anderson, MD, from Case Western Reserve School of medicine and Cleveland VA, implanted three electrode cuffs in Spetic
Rickard Brånemark led the surgical implantation and collaborated closely with Max Ortiz Catalan and Professor Bo Håkansson at Chalmers University of Technology on this project.
Before the surgery, his prosthesis was controlled via electrodes placed over the skin. Robotic prostheses can be advanced very,
and since the surgery he has experienced that he can cope with all the situations he faces; everything from clamping his trailer load and operating machinery,
and restore tissue integrity by activating stem cells said Abdallah Elkhal Phd BWH Division of Transplant Surgery and Transplantation Surgery Research Laboratory senior study author.
not only autoimmune diseases but other acute or chronic conditions such as allergy chronic obstructive pulmonary disease sepsis and immunodeficiency said Stefan G. Tullius MD Phd BWH Chief of Transplant Surgery
and Director of Transplantation Surgery Research lead study author. Moreover the researchers demonstrated that NAD+can restore tissue integrity
#Advantages, potential of computer-guided spinal surgery In a series of research studies Cedars-Sinai spinal surgeons show that a new method of computer-guided spine surgery is beneficial for spinal reconstruction
The Cedars-Sinai surgeons highlight the advantages of a spinal navigation technique that uses high-speed computerized tomography (CT) imaging to navigate in and around the spinal column from different angles.
They present their findings in six articles published in the current issue of Neurosurgical Focus an online peer-reviewed journal published by the American Association of Neurological Surgeons.
It allows surgeons to more precisely and accurately place reconstruction screws in the narrow bony corridors of the spine avoiding nerves blood vessels and other critical structures.
and the need for follow-up surgeries they write. Computer-guided surgical navigation technology delivers on quality
and safety said J. Patrick Johnson MD a neurosurgery spine specialist and director of Spine Education and the Neurosurgery Spine Fellowship program in the Department of Neurosurgery.
It clearly improves outcomes in spine care. The computerized navigation system uses a mobile CT SCANNER to take cross-sectional images of the spine
while a patient is in surgery. The images are transferred to a computer which displays them on overhead monitors that allow precise tracking of surgical instruments as surgeons insert screws for reconstruction
and perform other complex procedures on the spine. Surgeons said the technique is superior to existing methods because of its precision and speed.
They point out that even small miscalculations with two-dimensional technology can cause problems that require follow-up operations
The Cedars-Sinai surgeons say they have cut these to nearly zero by using computer-guided methods.
The surgeons said the technology has others applications for treating spinal disorders serving as a tool to remove tumors decompress the spinal column
and perform minimally-invasive surgery. This approach represents a major leap forward for instrumented spine surgery said Terrence T. Kim MD an orthopedic spine surgeon in the Cedars-Sinai Spine Center and expert in the computer-guided navigation field.
We're looking at the future. Joining Drs. Johnson and Kim as study co-authors are Doniel Drazin MD a senior resident in the Department of Neurosurgery and Robert S. Pashman MD a clinical associate professor and orthopedic spine surgeon at the Cedars
-Sinai Spine Center. The group's studies accounted for six of 10 articles in the March issue of Neurological Focus.
and computer-aided system used during minimally invasive surgery increased the accuracy of screw placement into vertebral pedicle bones.
and the mobile CT SCANNER allowed for more accurate surgical placement even within the narrowest parts of the thoracic spine particularly challenging regions in women
A third study determined that the image-guided technique can be useful for other minimally invasive procedures including thoracic endoscopic spine surgery to remove tumors infections
The final two articles offer an overview of computer-guided surgery of the spine including its use in revision
or redo spine surgeries that are often the most complex; and the potential future use of robotic spine surgery with computer navigation.
The special issue of the journal can be accessed at: http://thejns. org/toc/foc/36/3story Source:
Overtext Web Module V3.0 Alpha
Copyright Semantic-Knowledge, 1994-2011