BACKGROUND Hip and knee arthroplasties are common and successful procedures, however, success and durability are not guaranteed. The revision burden, defined as the ratio of implant revisions to the total number of arthroplasties in a specific period, is a measure of the steady state of arthroplasty success in a given registry. This study examines the hypothesis that revision burden would be si...

Model checking is one of the most effective techniques in automated system verification. Although this technique can handle complex verifications, model checking tools usually do not give any suggestions on how to repair inconsistent system models. In this paper, we show that approaches developed to update models of Computation Tree Logic (CTL) cannot deal with all kinds of changes. We introduc...

nonnative english-speaking scholars have often been reported to be at a disadvantage vis-à-vis their english native counterparts when it comes to writing a publishable research article (ra). when they submit their manuscripts to english-language journals, they sometimes receive comments criticizing their faulty english. one area of difficulty for these authors is the grammaticalization of neutr...

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OBJECTIVES To review our experience with our anatomic (medial, transverse, and lateral) nasal osteotomy technique for correcting the asymmetric bony nasal vault in esthetic and functional rhinoplasty. METHODS All patients undergoing anatomic nasal osteotomy technique by the senior author (y.d.) from August 1997 to August 2005 with a minimum follow-up of 6 months were reviewed. Preoperative an...

This paper presents a method of computing minimal revision of logical specification to handle inconsistencies. We have already proposed a formalization of minimal revision of logical specification (Satoh 1998) which is a modification of minimal revision in (Satoh 1988) and related the formalism with Formula Circumscription (McCarthy 1986). Moreover, we have proposed a computational method for a...

OBJECTIVE To determine indications for circumcision revision and to identify the specialty of the person who performed unsatisfactory primary circumcision. MATERIALS AND METHODS The authors reviewed medical records of 52 cases that underwent circumcision revision over a 6-year period (1998 to 2004). Sleeve surgical technique was used for revision in patients with redundant foreskin or conceal...

Despite the marked advances in treatment and highly predictable success of anterior cruciate ligament (ACL) reconstruction, an approximate 10% to 15% failure rate is noted in the literature. The mechanism of failure is often difficult to ascertain and is often multifactorial. A strong patient-physician relationship must be established to proceed with revision ACL reconstruction. After the decis...

Revision of a shoulder arthroplasty often requires removal of a well fixed humeral component. Revision of this component can be quite easy in the case of a non-infected platform stem or be very difficult when removal of a well cemented or on-growth stem with distal texturing is required. The purpose of this paper is to provide a series of techniques designed for revision of the humeral componen...

Revision surgery is one of the most difficult reconstructive challenges facing orthopaedic surgeons; therefore, many new techniques and implants are needed to ensure that such patient can be successfully treated. We report a 66-year old female with a chronic dislocated bipolar hip prosthesis. She underwent a revision total hip arthroplasty combined with V-shaped subtrochanteric shortening osteo...