نتایج جستجو برای: composite graft
تعداد نتایج: 204297 فیلتر نتایج به سال:
Purpose. To describe the use of the temporoparietal fascial flap (TPF) in the reconstruction of extensive lower eyelid defects in a functioning eye. Methods. We present a surgical case report of a 73-year-old female with melanoma of the left lower eyelid. The lower eyelid was resected, and a composite nasal cartilage-mucosa graft, a skin graft, and a TPF were used to reconstruct the lower eyeli...
This case report describes the treatment of a maxillary canine that had 4 mm of marginal gingival recession. The exposed root had been previously restored with a composite class 5 restoration. The restoration was removed and the root planed and demineralized. The root was then covered by a subepithelial connective tissue graft harvested from the palate. The flap was coronally positioned to comp...
OBJECTIVE Total arterial off-pump coronary artery bypass (OPCAB) grafting with only internal thoracic artery (ITA) and composite radial artery (RA) grafts has been applied extensively to avoid cerebral complications and late vein graft failure. We evaluated the initial experience with this method by clinical and angiographic study. METHODS Between April 2000 and May 2002, 257 patients underwe...
In the past decade, tissue engineering-based bone grafting has emerged as a viable alternative to biological and synthetic grafts. The biomaterial component is a critical determinant of the ultimate success of the tissue-engineered graft. Because no single existing material possesses all the necessary properties required in an ideal bone graft, our approach has been to develop a three dimension...
BACKGROUND The performance of implant surgery in the posterior maxilla often poses a challenge due to insufficient available bone. Sinus floor elevation was developed to increase needed vertical height to overcome this problem. The present study described and reported a simple, safe and predictable bone graft mixture for the sinus lifting procedure. MATERIAL AND METHODS Seventy patients were ...
Aim: The purpose of this study is to evaluate anatomical and audiological results using technique of sliced island of tragal cartilage perichondrial composite graft in type I tympanoplasty. Study Design: Prospective study. Methods and Materials: A total of 56 type I tympanoplasties (51 primary and 5 revision ears) were operated using sliced island tragal cartilage graft from December 2011 to Au...
SUMMARY During coronary artery bypass graft (CABG) surgery, the saphenous vein is sutured through its proximal segment to the aorta. Intimal hyperplasia is one of the possible causes of graft occlusion. Notably, blood turbulence can induce wall shear stress that may also play an important role in this process. OBJECTIVE We propose a new technique for performing proximal anastomosis to avoid C...
INTRODUCTION The closure of complex tracheocutaneous fistulae is a surgical challenge. We describe a staged approach for management of a patient with a large tracheocutaneous fistula in the setting of prior surgery and local radiation therapy. CASE PRESENTATION A 66-year-old Caucasian man who had undergone prior surgery and radiation therapy to the lower neck presented to our hospital for tre...
Degradable bone graft substitute for large-volume bone defects is a continuously developing field in orthopedics. With the advance in biomaterial in past decades, a wide range of new materials has been investigated for their potential in this application. When compared to common biopolymers within the field such as PLA or PCL, elastomers such as polyurethane offer some unique advantages in term...
A 32-year-old female patient with previous Bentall operation and mitral valve repair surgery due to severe aortic insufficiency, mitral valve insufficiency, and ascending aortic aneurysm was admitted to our hospital with serious dyspnea, fatigue, and mild chest pain. Two-dimensional echocardiography demonstrated a markedly dilated basal aorta and cardiac chambers. Thoracic computed tomography s...
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