Search results for " surgical"
showing 10 items of 853 documents
Optical Quality Comparison of Conventional and Hole-Visian Implantable Collamer Lens at Different Degrees of Decentering
2012
To compare the optical quality of implantable Collamer lens (ICL) with and without central hole (Hole ICL and conventional ICL) at different degrees of decentering.Experimental laboratory investigation.Wavefront aberrations of the -3, -6, and -12 diopter (D) V4b and -3, -6, and -12 D V4c ICLs were measured in 3 conditions-centered and decentered 0.3 and 0.6 mm-at 3-mm and 4.5-mm pupils. The root mean square of total higher order aberrations, trefoil, coma, tetrafoil, secondary astigmatism, and spherical aberration were evaluated. In addition, point spread function and simulated retinal images of ICLs were calculated from the wavefront aberrations for each ICL and all conditions of decenteri…
Miniscrew-supported distal jet versus conventional distal jet appliance: A pilot study
2019
Background Maxillary molar distalization is the most frequently used nonextraction treatment in the correction of Class II malocclusion. The use of traditional intra-oral devices shows unreliable results. Nowadays the use of miniscrew-supported appliances helps prevent anchorage loss. The aim of this pilot study is to compare the amount of upper first molar distalization and the dentoalveolar side effects using traditional distal jet appliance and miniscrew-supported distal jet appliance. Material and methods 20 patients were randomly assigned to receive a treatment with miniscrew-supported distal jet appliance (Group A) or with traditional distal jet appliance (Group B). To ensure a safe a…
Ostectomy versus osteotomy with repositioning of the vestibular cortical in periapical surgery of mandibular molars : a preliminary study
2010
Introduction: Accessing the tooth roots in periapical surgery (PS) requires the elimination of periapical bone. Objective: To compare the postoperative morbidity and prognosis following PS on mandibular molars by ostectomy, or by osteotomy with repositioning of the vestibular cortical. Material and Methods: A retrospective clinical study of mandibular molars subjected to PS with ultrasound. Two groups were considered according to the surgical procedure used to access the roots: Group 1 (G1) with ostectomy and Group 2 (G2) with osteotomy and repositioning of the vestibular cortical. Only patients who had properly followed the post-operative instructions, adequately completed the post-operati…
Virtual surgical planning in orthognathic surgery with the use of patient-specific plates compared with conventional plates. A systematic review focu…
2022
BACKGROUND: Orthognathic surgery is a well-known surgical procedure for correction of facial deformities. The surgical procedure is performed by the use of conventional plates and by patient-specific osteosynthesis plates (PSOPs). The aim of this study is to investigate any differences in complications, financial expenses, professional and patient-reported outcome measures (PROM) in orthognathic surgery performed by conventional plates and by PSOPs.MATERIAL AND METHODS: A MEDLINE (PubMed), Embase, and Cochrane Library search was conducted. Human studies published in English through August 27, 2020 were included. Grey literature, unpublished literature as well as other databases like Scopus,…
The Giessen-Mainz-Frankfurt procedure: a new method for complex pelvic reconstruction for bladder exstrophy.
2001
In bladder exstrophy primary reconstruction remains the gold standard worldwide. Despite various types of osteotomies the permanent correction of pubic diastasis remains a challenge. In maxillofacial surgery callus distraction is a routine treatment for hypoplastic mandibles. Originally described by Ilizarov, this method provides stable and true bone lengthening after gradual distraction of an osteotomy site as long as the periosteum remains intact. In cooperation with the departments of maxillofacial surgery and orthopedics we used this technique to correct pubic diastasis and facilitate phallic reconstruction in a 4 1/2-year-old boy with bladder exstrophy who had previously undergone cont…
Is There a Role for Tertiary (TCR) and Quaternary (QCR) Cytoreduction in Recurrent Ovarian Cancer?
2015
BACKGROUND: The aim of the present study was to evaluate the efficacy of tertiary and quaternary cytoreduction in recurrent ovarian cancer patients. PATIENTS AND METHODS:Between January 1997 and December 2014, 53 patients were submitted to cytoreductive surgery for second and third ovarian cancer recurrence at our Unit. RESULTS:Median age at first diagnosis was 48 years (range=20-69). Forty-six patients (86.8%) underwent tertiary cytoreduction. At the time of surgery, isolated and diffuse disease was observed in 48 (90.6%) and 5 (9.4%) patients, respectively. Complete and optimal cytoreduction was obtained in 41 (77.5%) and in 1 (1.9%) patients, respectively. We did not observe any statisti…
Ozone gas insufflation and infiltration for conservative surgical treatment of osteonecrosis of the jaw: preliminary results at 3 months
2018
the aim of this study was to evaluate efficacy and safety of ozone insufflation/injection in conservative surgical approaches of oNJ in two cancer patients.
SAFETY AND TOLERABILITY OF LOCAL TREATMENT WITH ILOPROST, A PROSTACYCLIN ANALOGUE, IN PATIENTS WITH PEYRONIE'S DISEASE. A PHASE I STUDY
2011
Objective. To assess the possibility of intralesional therapy for the treatment of Peyronie's disease, we have verified the safety and tolerability of intralesional injections of Iloprost ( an I 2 Prostacyclin analogue) for its property to suppress the production of CTFG in fibroblasts. CTFG is a connective tissue growth factor that acts in concert with TGF-β to stimulate the fibrotic process. Materials and methods. 38 patients with Peyronie’s disease were preliminarily evaluated by considering the symptoms, the degree of penile curvature, and the size of the plaque. Each patient received weekly intralesional injections of 200 ng of Iloprost in 1 ml normal saline for 5 weeks. If tolerated, …
Platelet-rich plasma (PRP) in dental and oral surgery: from the wound healing to bone regeneration
2013
Platelet-rich plasma (PRP) is a new approach to tissue regeneration and it is becoming a valuable adjunct to promote healing in many procedures in dental and oral surgery, especially in aging patients. PRP derives from the centrifugation of the patient's own blood and it contains growth factors that influence wound healing, thereby playing an important role in tissue repairing mechanisms. The use of PRP in surgical practice could have beneficial outcomes, reducing bleeding and enhancing soft tissue healing and bone regeneration. Studies conducted on humans have yielded promising results regarding the application of PRP to many dental and oral surgical procedures (i.e. tooth extractions, per…
Comparison of minimally invasive parathyroidectomy under local anaesthesia and minimally invasive video-assisted parathyroidectomy for primary hyperp…
2016
Background: Primary hyperparathyroidism (PHPT) origins from a solitary adenoma in 70-95% of cases. Moreover, the advances in methods for localizing an abnormal parathyroid gland made minimally invasive techniques more prominent. This study presents a micro-cost analysis of two parathyroidectomy techniques. Patients and methods: 72 consecutive patients who underwent minimally invasive parathyroidectomy, video-assisted (MIVAP, group A, 52 patients) or "open" under local anaesthesia (OMIP, group B, 20 patients) for PHPT were reviewed. Operating room, consumable, anaesthesia, maintenance costs, equipment depreciation and surgeons/anaesthesiologists fees were evaluated. The patient's satisfactio…