annuloplasty ring
Computer-based comparison of different methods for selecting mitral annuloplasty ring size
... Background: Ring sizing for mitral valve annuloplasty is conventionally done intraoperatively using specific ‘ sizer ’ instruments, which are placed onto the valve ...II annuloplasty rings and their ...
7
Comparison of the novel Medtentia double helix mitral annuloplasty system with the Carpentier-Edwards Physio annuloplasty ring: morphological and functional long-term outcome in a mitral valve insufficiency sheep model
... Fluid support (Ringer solution) was delivered intraven- ously as necessary to maintain the systolic blood pres- sure above 80 mmHg. For continuous monitoring, the left femoral artery was cannulated for systemic arterial ...
9
Development and Experimental Evaluation of a Novel Annuloplasty Ring with a Shape Memory Alloy Core
... The minimally invasive procedure is similar in the beginning stages to the conventional procedure. The patient is anesthetized, and then placed with the right arm tucked at the side or above the head with the chest ...
111
Three-dimensional dynamic morphology of the mitral valve in different forms of mitral valve prolapse – potential implications for annuloplasty ring selection
... of annuloplasty ring, if surgery is ...tailored ring selection governed by the above described considerations results in better surgical results and clinical ...
7
Automated fastener versus manually tied knots in minimally invasive mitral valve repair: impact on operation time and short- term results
... an annuloplasty ring implanted in combination with correction of the prolapsing leaflet using artificial chords (GoreTex ...a ring- annuloplasty (n = 5) and one pa- tient who needed a second ...
5
Mid-term results of mitral valve repair using flexible bands versus complete rings in patients with degenerative mitral valve disease: a prospective, randomized study
... Chang et al. conducted the largest randomized trial (363 patients) comparing the Carpentier-Edwards rigid ring and flexible Duran annuloplasty ring [19]. The mean duration from the operation to ...
10
The extent of papillary muscle approximation affects mortality and durability of mitral valve repair for ischemic mitral regurgitation
... All the procedures were performed through a median ster- notomy. Cardiopulmonary bypass was commenced through the ascending aorta and both vena cavae. After aortic cross clamping, blood cardioplegia was administrated and ...
9
Biodegradable materials for surgical management of infective endocarditis: new solution or a dead end street?
... Kalangos® annuloplasty ring (formerly Bior- ing SA, Lonay, Switzerland) was developed to extend the annular stabilization beyond this time period, while remaining ...This ring is inserted suben- ...
6
Mitral valve analysis adding a virtual semi-transparent annulus plane for detection of prolapsing segments
... Since we were not able to perform direct measurements on the 3D display, the annulus plane was projected into a 2D image showing the annulus plane in a front view (sur- geon view) and side view (cropping plane ...
9
Outcomes of tricuspid annuloplasty with and without prosthetic rings: a retrospective follow-up study
... native ring structure and subsequently to some extend affect the geometric shape of native tricuspid ...an annuloplasty ring may be of paramount importance to ensure a durable repair ...durable ...
7
Influence of procedural differences on mitral valve configuration after surgical repair for functional mitral regurgitation: in which direction should the papillary muscle be relocated?
... semi-rigid annuloplasty ring (Carpentier-Edwards Physio II; Edwards Life sciences, Irvine, ...CA). Ring size was determined after measurement of the height of the anterior leaflet and then downsized ...
9
Type conditions of stable range for identification of qualitative generalized classes of rings
... Following Kaplansky [4] a commutative ring is said to be an elementary divisor ring if every matrix A over R is equivalent to a diagonal matrix, i.e. for A there exist such invertible matrices P and Q of ...
9
The Largest Left Quotient Ring of a Ring
... The largest regular left Ore set and the largest left quotient ring of a ring. Let R be a ring. A multiplicatively closed subset S of R or a multiplicative subset of R (i.e. a multiplicative ...
25
The Role of Visualization, Force Feedback, and Augmented Reality in Minimally Invasive Heart Valve Repair
... Although previous studies have demonstrated superior performance curves and operative efficiency with 3D visualization, no previous studies have examined the effect of 3D visualization on force application on surgical ...
328
On the Lie ring of derivations of a semiprime ring
... Throughout the text R stands for an associative ring (possibly without identity) and n for a positive integer. By Z(R) we denote the center of R. The ring R is called semiprime, if it has no nonzero ...
6
Midterm results of mitral valve repair with lifting annuloplasty strip for acute phase infective endocarditis
... mitral valve leaflets formed by the removal of vegetation or slicing of the leaflet was repaired with bovine pericar- dium (Supple Peri-guard® bovine pericardium repair patch, 6 cm × 8 cm, Synovis® Surgical, Jisang ...
7
Criteria for determining the need for surgical treatment of tricuspid regurgitation during mitral valve replacement
... on annuloplasty and includes the DeVega procedure, the Kay procedure, and procedures using annu- loplasty rings (eg, Carpentier ...Kay annuloplasty and patients with moderate to severe or severe TR under- ...
6
Effective ring
... Proof. Let R = R/cR be an exchange ring for any c ∈ R \ {0}. By [3] R is a neat ring. Then by Proposition 3 an equality aR + bR = R implies that we can find an idempotent e ∈ R, that e ∈ aR and 1 − e ∈ bR. ...
8
The correlation between the coaptation height of mitral valve and mitral regurgitation after mitral valve repair
... necessary. Ring annuloplasty was performed in all cases. The type of ring was chosen based on surgeon’s ...of ring was determined by sizing the area of anterior leaflet using prosthetic sizers ...
5
Original Article Efficacy of coblation annuloplasty combined with nucleoplasty in cervical discogenic and radicular pain
... ly for cervical degenerative disc disease as the cervical anatomy limits the application of IDET. Coblation technology is currently used to perform nucleoplasty, but coblation tech- nology has rarely been used to perform ...
8