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RISS 인기검색어
- 검색키워드
- 저자 : Osman Uyar (검색결과 3 건)
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Reattachment of Rhegmatogenous Retinal Detachment via Fibrin Tissue Adhesive
Erdinc Aydin,Erdem Eris,Levent Kazanci,Osman Murat Uyar 대한안과학회 2021 Korean Journal of Ophthalmology Vol.35 No.3
Purpose: To manage reattachment of rhegmatogenous retinal detachment using tissue adhesive (fibrin glue) in five patients. Methods: Five eyes of five patients with rhegmatogenous retinal detachment were treated with 23-gauge pars plana vitrectomy and the application of fibrin glue (Tisseel Lyo) into the break under air without laser photocoagulation or cryopexy. Results: The median age of patients was 64 (range, 46–82) years, and the median duration of symptoms was 15 (range, 7–60) days. Three eyes had inferior and two had superior rhegmatogenous retinal detachments. Successful retinal reattachment was achieved in all cases and maintained during the followıng 10 to 24 months. The median best-corrected visual acuity improved from 2 / 100 preoperatively to a Snellen visual acuity of 20 / 50 by 6 months postoperatively. No postoperative complications were detected during the follow-up period. Conclusions: Excellent adhesive effects of fibrin glue with respect to sealing retinal tears with no side effects were seen in our study. With further prospective studies, this technique could be an alternative method to conventional retinopexy.
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Dogan, Lutfi,Gulcelik, M. Ali,Yuksel, Murat,Uyar, Osman,Reis, Erhan Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.10
Purpose: Guide-wire localization (GWL) has been a standard technique for many years. Excision of nonpalpable malignant breast lesions with clear surgical margins reduces the risk of undergoing re-excision. The objective of the present study was to evaluate the efficacy of GWL biopsy for assessing surgical margins. Methods: This retrospective study concerned 53 patients who underwent GWL biopsy for non-palpable breast lesions and breast carcinoma diagnosed by histological examination. Age of the patients, tumour size, radiographic findings, breast density specifications, specimen volumes, menopausal status and family history of the patients and surgical margin status were recorded. Results: Median age was 53.3 years, median tumour size was 1.5 cm and median specimen volume was $71.5cm^3$. In fifteen patients (28%) DCIS and in 38 patients (72%) invasive ductal carcinoma was diagnosed. There was positive surgical margins in twenty eight (52.8%) patients. The median distance to the nearest surgical margin was 7.2 mm in clear surgical margins. Younger age and denser breast specifications were found as statistically significant factors for surgical margin status. Median age of the patients who had positive margins was 49.4 years where it was 56.9 years in the patients with negative margins (p=0.04). 79% of the patients with positive margins had type 3-4 pattern breast density according to BIRADS classification as compared to 48% in the patients who had negative margins (p=0.03). Some 38 patients who had positive or close surgical margins received re-excision (72%). Conclusion: Positive margin rates may be higher because of inherent biological differences and diffuse growth patterns in younger patients. There are also technical difficulties that are relevant to denser fibroglandular tissue in placing hooked wire. High re-excision rates must be taken into consideration while performing GWL biopsy in non-palpable breast lesions.
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The Effect of Plasmakinetic Cautery on Wound Healing and Complications in Mastectomy
Lutfi Dogan,Mehmet ali Gulcelik,Murat Yuksel,Osman Uyar,Osman Erdogan,Erhan Reis 한국유방암학회 2013 Journal of breast cancer Vol.16 No.2
Purpose: Surgical equipment used in breast cancer surgery that affects wound healing and minimizes complications seems to be a popular investigation topic. The aim of this study is to evaluate the effect of plasmakinetic cautery on wound healing in patients receiving mastectomy. Methods: Forty-six consecutive breast cancer patients receiving modified radical mastectomy were evaluated prospectively. Plasmakinetic cautery was used in 24 operations and electrocautery was used in 22 operations in random order to manage skin flaps and excise breast tissue. In the postoperative period, vacuum drainage amount and duration time as well as the start time of arm exercises were recorded. Complications like seroma, surgical site infection, hematoma, and flap necrosis were determined. Results: Age, body mass index, breast volume and flap area parameters were similar in each group. Mean drainage duration was found to be 5.5 days in the plasmacautery group and 7.9 days in the electrocautery group (p=0.020). In the plasmacautery and electrocautery groups, mean drainage volume was 707 and 1,093 mL, respectively (p=0.025). There was no statistical significance between the groups when operation duration, amount of blood loss, time to start arm exercises, seroma, hematoma, surgical site infection, and flap necrosis were considered. Conclusion: Plasmakinetic cautery is a promising new surgical instrument that provides atraumatic, scalpel-like cutting precision and electrosurgical-like hemostasis, resulting in minimal tissue injury. So, plasmacautery shortens the drainage amount and duration time compared to electrocautery without elongating operation duration or increasing the amount of blood loss.
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