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9 Haziran 2014 Pazartesi

New pill-sized pacemaker implanted in heart of Uk patient

Pill-sized pacemaker implanted in heart of British patient

The new pacemaker, the micra transcatheter pacing program. Photograph: University Hospital Southampton/PA




A pacemaker the dimension of a tablet has been fitted within the heart of a British patient, in a new operation that promises to reduce infection chance and reduce recovery time.


The wireless gadget employed – for the very first time in the nation – at Southampton common hospital, acknowledged as the micra transcatheter pacing program, is the smallest in the planet, at a tenth of the size of classic versions, and is implanted directly in the heart.


Currently pacemakers are inserted under the skin through an incision in the chest and connected to the heart via a lead that carries electrical signals to appropriate slow or irregular heartbeats, but they can demand replacement due to broken or dislodged wires.


The new device, which is placed within the wall of the heart by a catheter passed up via the groin, delivers electrical impulses from an electrode, getting rid of the require for a lead to transmit signals.


Prof John Morgan, advisor cardiologist, explained: “Although pacemakers have saved 1000′s of lives in excess of the past seven decades considering that the first gadgets were implanted, one of the key drawbacks has been complications related to the pacing lead that is place in to deliver electrical impulses to the heart.


“Now that we have pacemakers that are so little – not a lot greater than an antibiotic pill – they can be attached straight to the within of the heart, all the problems associated to the outdated fashioned pacemaker lead are abolished.”


He additional: “In addition to the advantages of the device’s size and wireless technologies, the process decreases the risk of infection and extended recovery time related with conventional, a lot more invasive surgical pacemaker implants.


“This a massive stage forward in patient treatment and a milestone for cardiac rhythm management in the United kingdom.”




New pill-sized pacemaker implanted in heart of Uk patient

New pill-sized pacemaker implanted in heart of Uk patient

Pill-sized pacemaker implanted in heart of British patient

The new pacemaker, the micra transcatheter pacing method. Photograph: University Hospital Southampton/PA




A pacemaker the dimension of a tablet has been fitted within the heart of a British patient, in a new operation that promises to lessen infection risk and lessen recovery time.


The wireless device utilized – for the first time in the nation – at Southampton common hospital, identified as the micra transcatheter pacing system, is the smallest in the world, at a tenth of the size of conventional designs, and is implanted directly in the heart.


Currently pacemakers are inserted below the skin through an incision in the chest and connected to the heart by means of a lead that carries electrical signals to correct slow or irregular heartbeats, but they can need substitute due to broken or dislodged wires.


The new device, which is positioned inside the wall of the heart by a catheter passed up by means of the groin, delivers electrical impulses from an electrode, removing the require for a lead to transmit signals.


Prof John Morgan, advisor cardiologist, explained: “Whilst pacemakers have saved thousands of lives above the previous 7 decades considering that the 1st gadgets had been implanted, one particular of the significant disadvantages has been problems connected to the pacing lead that is place in to deliver electrical impulses to the heart.


“Now that we have pacemakers that are so small – not a lot larger than an antibiotic pill – they can be attached directly to the inside of the heart, all the troubles relevant to the outdated fashioned pacemaker lead are abolished.”


He additional: “In addition to the rewards of the device’s size and wireless technologies, the process reduces the danger of infection and extended recovery time associated with conventional, far more invasive surgical pacemaker implants.


“This a huge stage forward in patient treatment method and a milestone for cardiac rhythm management in the Uk.”




New pill-sized pacemaker implanted in heart of Uk patient

28 Mayıs 2014 Çarşamba

FDA Approves Novel Implanted Sensor To Monitor Heart Failure

The FDA announced these days that it had authorized the CardioMEMS Champion HF Technique. The small implantable device offers daily pulmonary artery strain measurements to guidebook doctors in their therapy of  NYHA Class III heart failure individuals who have been hospitalized for heart failure in the preceding 12 months. The program consists of 3 elements: a tiny everlasting sensor implanted in the pulmonary artery, a catheter-based mostly delivery technique, and a method that acquires and processes PA pressure measurements from the implanted keep track of and transfers the information to a secure database.


CardioMems had a rocky street to approval. Two separate instances, in 2011 and in 2013, the FDA’s Circulatory Program Units Panel agreed that the device was safe but that it had not been proven to be powerful or that the positive aspects of the device outweighed the hazards. Most of the discussion revolved all around the pivotal CHAMPION trial which enrolled 550 heart failure sufferers. The FDA explained today that it “believes that there is sensible assurance that the device is safe and successful for heart failure management with the goal of reducing the rate of heart failure-associated hospitalizations in specific sufferers.”


The FDA stated that it would need CardioMems to conduct “a thorough Publish-Approval Examine to continue to learn about the device’s efficiency when used outdoors the context of a clinical research.”


CardioMEMS was founded by cardiologist Jay Yadav, who is also the company’s CEO. The firm is partly owned by St. Jude Healthcare, which has mentioned that it ideas to entirely acquire the company in the first half of 2014.


“Heart failure is one of the most typical causes for hospitalizations for folks aged 65 and older,” mentioned Christy Foreman, director of the Office of Gadget Evaluation in the FDA’s Center for Units and Radiological Health, in an FDA press release. “The goal of this very first-of-its-sort implantable wireless gadget with remote monitoring of pulmonary artery pressure is to lessen heart failure-connected hospitalizations.”


There is widespread agreement that heart failure signify an massive and increasing burden on the well being care program. CardioMems cites American Heart Association estimates that direct and indirect expenses of heart failure in 2012 equalled $ 31 billion. However, it is unclear no matter whether the gadget will be capable to fulfill the high expectations suggested in this statement from a CardioMems representative:



Not only is this FDA approval going to influence the quality of lifestyle for patients, it will also conserve up to 40% in Medicare expenditures related to heart failure, which is the largest part of the Medicare price range.




FDA Approves Novel Implanted Sensor To Monitor Heart Failure

11 Nisan 2014 Cuma

Vaginas grown in labs efficiently implanted into girls with uncommon disorder

A scientist at the Wake Forest medical centre, demonstrates the process to engineer vaginal tissue.

A scientist at the Wake Forest health care centre, demonstrates the approach to engineer vaginal organ tissue. Photograph: Reuters




Scientists have successfully implanted vaginas grown in laboratories into four teenage women who have a congenital situation which meant their personal did not build properly.


The artificial vaginas, engineered from the patient’s personal cells and individually made to match them, allowed the females to later have full intercourse lives. As well as being a breakthrough in vaginal reconstruction, the US and Mexican scientists responsible for the procedures stated it probably meant other tissues or organs could be laboratory grown and implanted.


“This pilot examine is the initial to show that vaginal organs can be constructed in the lab and utilized efficiently in humans,” explained lead researcher Dr Anthony Atala from Wake Forest Baptist health care centre in Winston-Salem, North Carolina.


“This may signify a new alternative for individuals who need vaginal reconstructive surgeries. In addition, this research is one a lot more illustration of how regenerative medicine approaches can be applied to a assortment of tissues and organs.”


The patients, who had been among 13 and 18, have been all born with Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome (pdf), a uncommon genetic issue in which the vagina and uterus are underdeveloped or absent.


Utilizing vulva tissue from each sufferers, the crew grew tissue around vagina-shaped biodegradeable scaffolds ahead of implanting the fully formed vagina.


Adhere to-up tests over a quantity of years – the initial of the implants took area eight years ago, though findings have only just been reported – found the engineered vaginas worked as hoped, with the girls reporting they had been capable to have intercourse usually, with out discomfort. None had however become pregnant, but that is believed to be attainable. The study is published in the health-related journal the Lancet.


One particular of the patients, speaking anonymously, was quoted as saying the procedure had been hugely crucial to her lifestyle: “Really I really feel quite lucky due to the fact I have a typical life, totally normal.”


Atala mentioned: “Yearly tissue biopsy samples demonstrate that the reconstructed tissue is histologically and functionally equivalent to regular vaginal tissue. This technique is a viable alternative for vaginal reconstruction and has a number of rewards more than recent reconstructive approaches since only a small biopsy of tissue is needed, and using vaginal cells could decrease complications that arise from employing non-vaginal tissue, such as infection and graft shrinkage.”


Separately, he informed the BBC: “Truly, for the initial time we’ve created a whole organ that was by no means there to start off with. It was a challenge.” Seeing the distinction the breakthrough created to the women’s lives was really rewarding, he extra.




Vaginas grown in labs efficiently implanted into girls with uncommon disorder

10 Nisan 2014 Perşembe

Laboratory-grown vaginas implanted in teenage girls


Laboratory-grown vaginas engineered from the patients’ personal cells have been implanted into four teenage ladies.




Exams showed that the organs, constructed from muscle cells and the epithelial cells which line body cavities, functioned normally.




The girls, who had been aged 13 to 18 at the time of the surgical treatment, were born with Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome.




In ladies with the rare genetic problem, the vagina and uterus are underdeveloped or absent. A questionnaire evaluation showed that sexual perform was normal following therapy, the researchers from Wake Forest Baptist Health care Centre in Winston-Salem, US reported in The Lancet medical journal.




Cells have been grown in the laboratory before being placed on a biodegradable scaffold that was hand-sewn into the correct shape.




Every scaffold was tailor-manufactured to match the patient.




Laboratory-grown vaginas implanted in teenage girls